diff options
Diffstat (limited to 'arch')
112 files changed, 1708 insertions, 849 deletions
diff --git a/arch/alpha/kernel/core_irongate.c b/arch/alpha/kernel/core_irongate.c index e4a0bcf..a872078 100644 --- a/arch/alpha/kernel/core_irongate.c +++ b/arch/alpha/kernel/core_irongate.c @@ -241,7 +241,8 @@ albacore_init_arch(void) size / 1024); } #endif - reserve_bootmem_node(NODE_DATA(0), pci_mem, memtop - pci_mem); + reserve_bootmem_node(NODE_DATA(0), pci_mem, memtop - + pci_mem, BOOTMEM_DEFAULT); printk("irongate_init_arch: temporarily reserving " "region %08lx-%08lx for PCI\n", pci_mem, memtop - 1); } diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index beff629..74c3466 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -428,7 +428,8 @@ setup_memory(void *kernel_end) } /* Reserve the bootmap memory. */ - reserve_bootmem(PFN_PHYS(bootmap_start), bootmap_size); + reserve_bootmem(PFN_PHYS(bootmap_start), bootmap_size, + BOOTMEM_DEFAULT); printk("reserving pages %ld:%ld\n", bootmap_start, bootmap_start+PFN_UP(bootmap_size)); #ifdef CONFIG_BLK_DEV_INITRD @@ -446,7 +447,7 @@ setup_memory(void *kernel_end) phys_to_virt(PFN_PHYS(max_low_pfn))); } else { reserve_bootmem(virt_to_phys((void *)initrd_start), - INITRD_SIZE); + INITRD_SIZE, BOOTMEM_DEFAULT); } } #endif /* CONFIG_BLK_DEV_INITRD */ diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c index e3e3806..10ab783 100644 --- a/arch/alpha/mm/numa.c +++ b/arch/alpha/mm/numa.c @@ -242,7 +242,8 @@ setup_memory_node(int nid, void *kernel_end) } /* Reserve the bootmap memory. */ - reserve_bootmem_node(NODE_DATA(nid), PFN_PHYS(bootmap_start), bootmap_size); + reserve_bootmem_node(NODE_DATA(nid), PFN_PHYS(bootmap_start), + bootmap_size, BOOTMEM_DEFAULT); printk(" reserving pages %ld:%ld\n", bootmap_start, bootmap_start+PFN_UP(bootmap_size)); node_set_online(nid); @@ -281,7 +282,7 @@ setup_memory(void *kernel_end) nid = kvaddr_to_nid(initrd_start); reserve_bootmem_node(NODE_DATA(nid), virt_to_phys((void *)initrd_start), - INITRD_SIZE); + INITRD_SIZE, BOOTMEM_DEFAULT); } } #endif /* CONFIG_BLK_DEV_INITRD */ diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index c0ad7c0..ec00f26 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -239,7 +239,7 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi) * Reserve the bootmem bitmap for this node. */ reserve_bootmem_node(pgdat, boot_pfn << PAGE_SHIFT, - boot_pages << PAGE_SHIFT); + boot_pages << PAGE_SHIFT, BOOTMEM_DEFAULT); #ifdef CONFIG_BLK_DEV_INITRD /* @@ -247,7 +247,7 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi) */ if (node == initrd_node) { reserve_bootmem_node(pgdat, phys_initrd_start, - phys_initrd_size); + phys_initrd_size, BOOTMEM_DEFAULT); initrd_start = __phys_to_virt(phys_initrd_start); initrd_end = initrd_start + phys_initrd_size; } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index e5d61ee..d41a75e 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -605,9 +605,11 @@ void __init reserve_node_zero(pg_data_t *pgdat) * Note that this can only be in node 0. */ #ifdef CONFIG_XIP_KERNEL - reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start); + reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start, + BOOTMEM_DEFAULT); #else - reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext); + reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext, + BOOTMEM_DEFAULT); #endif /* @@ -615,7 +617,7 @@ void __init reserve_node_zero(pg_data_t *pgdat) * and can only be in node 0. */ reserve_bootmem_node(pgdat, __pa(swapper_pg_dir), - PTRS_PER_PGD * sizeof(pgd_t)); + PTRS_PER_PGD * sizeof(pgd_t), BOOTMEM_DEFAULT); /* * Hmm... This should go elsewhere, but we really really need to @@ -638,8 +640,10 @@ void __init reserve_node_zero(pg_data_t *pgdat) /* H1940 and RX3715 need to reserve this for suspend */ if (machine_is_h1940() || machine_is_rx3715()) { - reserve_bootmem_node(pgdat, 0x30003000, 0x1000); - reserve_bootmem_node(pgdat, 0x30081000, 0x1000); + reserve_bootmem_node(pgdat, 0x30003000, 0x1000, + BOOTMEM_DEFAULT); + reserve_bootmem_node(pgdat, 0x30081000, 0x1000, + BOOTMEM_DEFAULT); } #ifdef CONFIG_SA1111 @@ -650,7 +654,8 @@ void __init reserve_node_zero(pg_data_t *pgdat) res_size = __pa(swapper_pg_dir) - PHYS_OFFSET; #endif if (res_size) - reserve_bootmem_node(pgdat, PHYS_OFFSET, res_size); + reserve_bootmem_node(pgdat, PHYS_OFFSET, res_size, + BOOTMEM_DEFAULT); } /* diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 8cd3a60..63c62fd 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -27,9 +27,11 @@ void __init reserve_node_zero(pg_data_t *pgdat) * Note that this can only be in node 0. */ #ifdef CONFIG_XIP_KERNEL - reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start); + reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start, + BOOTMEM_DEFAULT); #else - reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext); + reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext, + BOOTMEM_DEFAULT); #endif /* @@ -37,7 +39,8 @@ void __init reserve_node_zero(pg_data_t *pgdat) * some architectures which the DRAM is the exception vector to trap, * alloc_page breaks with error, although it is not NULL, but "0." */ - reserve_bootmem_node(pgdat, CONFIG_VECTORS_BASE, PAGE_SIZE); + reserve_bootmem_node(pgdat, CONFIG_VECTORS_BASE, PAGE_SIZE, + BOOTMEM_DEFAULT); } /* diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c index ee40c1a0..7854f19 100644 --- a/arch/arm/plat-omap/fb.c +++ b/arch/arm/plat-omap/fb.c @@ -207,7 +207,7 @@ void __init omapfb_reserve_sdram(void) return; } if (rg.paddr) - reserve_bootmem(rg.paddr, rg.size); + reserve_bootmem(rg.paddr, rg.size, BOOTMEM_DEFAULT); reserved += rg.size; omapfb_config.mem_desc.region[i] = rg; configured_regions++; diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c index 4b4c188..e66a07a 100644 --- a/arch/avr32/kernel/setup.c +++ b/arch/avr32/kernel/setup.c @@ -489,7 +489,8 @@ static void __init setup_bootmem(void) /* Reserve space for the bootmem bitmap... */ reserve_bootmem_node(NODE_DATA(node), PFN_PHYS(bootmap_pfn), - bootmap_size); + bootmap_size, + BOOTMEM_DEFAULT); /* ...and any other reserved regions. */ for (res = reserved; res; res = res->sibling) { @@ -505,7 +506,8 @@ static void __init setup_bootmem(void) && res->end < PFN_PHYS(max_pfn)) reserve_bootmem_node( NODE_DATA(node), res->start, - res->end - res->start + 1); + res->end - res->start + 1, + BOOTMEM_DEFAULT); } node_set_online(node); diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 462cae8..6e106b3 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -406,7 +406,7 @@ void __init setup_arch(char **cmdline_p) */ free_bootmem(memory_start, memory_end - memory_start); - reserve_bootmem(memory_start, bootmap_size); + reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT); /* * get kmalloc into gear */ diff --git a/arch/cris/kernel/setup.c b/arch/cris/kernel/setup.c index 65466c4..4da042e 100644 --- a/arch/cris/kernel/setup.c +++ b/arch/cris/kernel/setup.c @@ -137,7 +137,7 @@ setup_arch(char **cmdline_p) * Arguments are start, size */ - reserve_bootmem(PFN_PHYS(start_pfn), bootmap_size); + reserve_bootmem(PFN_PHYS(start_pfn), bootmap_size, BOOTMEM_DEFAULT); /* paging_init() sets up the MMU and marks all pages as reserved */ diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c index b38ae1f..6c01464 100644 --- a/arch/frv/kernel/setup.c +++ b/arch/frv/kernel/setup.c @@ -925,13 +925,15 @@ static void __init setup_linux_memory(void) #endif /* take back the memory occupied by the kernel image and the bootmem alloc map */ - reserve_bootmem(kstart, kend - kstart + bootmap_size); + reserve_bootmem(kstart, kend - kstart + bootmap_size, + BOOTMEM_DEFAULT); /* reserve the memory occupied by the initial ramdisk */ #ifdef CONFIG_BLK_DEV_INITRD if (LOADER_TYPE && INITRD_START) { if (INITRD_START + INITRD_SIZE <= (low_top_pfn << PAGE_SHIFT)) { - reserve_bootmem(INITRD_START, INITRD_SIZE); + reserve_bootmem(INITRD_START, INITRD_SIZE, + BOOTMEM_DEFAULT); initrd_start = INITRD_START + PAGE_OFFSET; initrd_end = initrd_start + INITRD_SIZE; } @@ -986,9 +988,10 @@ static void __init setup_uclinux_memory(void) /* now take back the bits the core kernel is occupying */ #ifndef CONFIG_PROTECT_KERNEL - reserve_bootmem(kend, bootmap_size); + reserve_bootmem(kend, bootmap_size, BOOTMEM_DEFAULT); reserve_bootmem((unsigned long) &__kernel_image_start, - kend - (unsigned long) &__kernel_image_start); + kend - (unsigned long) &__kernel_image_start, + BOOTMEM_DEFAULT); #else dampr = __get_DAMPR(0); @@ -996,14 +999,15 @@ static void __init setup_uclinux_memory(void) dampr = (dampr >> 4) + 17; dampr = 1 << dampr; - reserve_bootmem(__get_DAMPR(0) & xAMPRx_PPFN, dampr); + reserve_bootmem(__get_DAMPR(0) & xAMPRx_PPFN, dampr, BOOTMEM_DEFAULT); #endif /* reserve some memory to do uncached DMA through if requested */ #ifdef CONFIG_RESERVE_DMA_COHERENT if (dma_coherent_mem_start) reserve_bootmem(dma_coherent_mem_start, - dma_coherent_mem_end - dma_coherent_mem_start); + dma_coherent_mem_end - dma_coherent_mem_start, + BOOTMEM_DEFAULT); #endif } /* end setup_uclinux_memory() */ diff --git a/arch/h8300/kernel/setup.c b/arch/h8300/kernel/setup.c index b2e86d0..cd37346 100644 --- a/arch/h8300/kernel/setup.c +++ b/arch/h8300/kernel/setup.c @@ -173,7 +173,7 @@ void __init setup_arch(char **cmdline_p) * the bootmem bitmap so we then reserve it after freeing it :-) */ free_bootmem(memory_start, memory_end - memory_start); - reserve_bootmem(memory_start, bootmap_size); + reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT); /* * get kmalloc into gear */ diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c index d6cd45f..0823de1 100644 --- a/arch/ia64/kernel/machine_kexec.c +++ b/arch/ia64/kernel/machine_kexec.c @@ -129,13 +129,14 @@ void machine_kexec(struct kimage *image) void arch_crash_save_vmcoreinfo(void) { -#if defined(CONFIG_ARCH_DISCONTIGMEM_ENABLE) && defined(CONFIG_NUMA) +#if defined(CONFIG_DISCONTIGMEM) || defined(CONFIG_SPARSEMEM) VMCOREINFO_SYMBOL(pgdat_list); VMCOREINFO_LENGTH(pgdat_list, MAX_NUMNODES); - +#endif +#ifdef CONFIG_NUMA VMCOREINFO_SYMBOL(node_memblk); VMCOREINFO_LENGTH(node_memblk, NR_NODE_MEMBLKS); - VMCOREINFO_SIZE(node_memblk_s); + VMCOREINFO_STRUCT_SIZE(node_memblk_s); VMCOREINFO_OFFSET(node_memblk_s, start_paddr); VMCOREINFO_OFFSET(node_memblk_s, size); #endif diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 7e9c275..344f64e 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -218,7 +218,7 @@ find_memory (void) /* Free all available memory, then mark bootmem-map as being in use. */ efi_memmap_walk(filter_rsvd_memory, free_bootmem); - reserve_bootmem(bootmap_start, bootmap_size); + reserve_bootmem(bootmap_start, bootmap_size, BOOTMEM_DEFAULT); find_initrd(); diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 0b56739..ee5e68b 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -299,12 +299,12 @@ static void __init reserve_pernode_space(void) pages = bdp->node_low_pfn - (bdp->node_boot_start>>PAGE_SHIFT); size = bootmem_bootmap_pages(pages) << PAGE_SHIFT; base = __pa(bdp->node_bootmem_map); - reserve_bootmem_node(pdp, base, size); + reserve_bootmem_node(pdp, base, size, BOOTMEM_DEFAULT); /* Now the per-node space */ size = mem_data[node].pernode_size; base = __pa(mem_data[node].pernode_addr); - reserve_bootmem_node(pdp, base, size); + reserve_bootmem_node(pdp, base, size, BOOTMEM_DEFAULT); } } diff --git a/arch/m32r/kernel/setup.c b/arch/m32r/kernel/setup.c index d648143..f1f5db0 100644 --- a/arch/m32r/kernel/setup.c +++ b/arch/m32r/kernel/setup.c @@ -177,25 +177,28 @@ static unsigned long __init setup_memory(void) */ reserve_bootmem(CONFIG_MEMORY_START + PAGE_SIZE, (PFN_PHYS(start_pfn) + bootmap_size + PAGE_SIZE - 1) - - CONFIG_MEMORY_START); + - CONFIG_MEMORY_START, + BOOTMEM_DEFAULT); /* * reserve physical page 0 - it's a special BIOS page on many boxes, * enabling clean reboots, SMP operation, laptop functions. */ - reserve_bootmem(CONFIG_MEMORY_START, PAGE_SIZE); + reserve_bootmem(CONFIG_MEMORY_START, PAGE_SIZE, BOOTMEM_DEFAULT); /* * reserve memory hole */ #ifdef CONFIG_MEMHOLE - reserve_bootmem(CONFIG_MEMHOLE_START, CONFIG_MEMHOLE_SIZE); + reserve_bootmem(CONFIG_MEMHOLE_START, CONFIG_MEMHOLE_SIZE, + BOOTMEM_DEFAULT); #endif #ifdef CONFIG_BLK_DEV_INITRD if (LOADER_TYPE && INITRD_START) { if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) { - reserve_bootmem(INITRD_START, INITRD_SIZE); + reserve_bootmem(INITRD_START, INITRD_SIZE, + BOOTMEM_DEFAULT); initrd_start = INITRD_START + PAGE_OFFSET; initrd_end = initrd_start + INITRD_SIZE; printk("initrd:start[%08lx],size[%08lx]\n", diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index 0e383da..2c03ac1 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -43,6 +43,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/sched.h> #include <linux/err.h> #include <linux/irq.h> #include <linux/bootmem.h> diff --git a/arch/m32r/mm/discontig.c b/arch/m32r/mm/discontig.c index c7efdb0..07c1af7 100644 --- a/arch/m32r/mm/discontig.c +++ b/arch/m32r/mm/discontig.c @@ -91,7 +91,8 @@ unsigned long __init setup_memory(void) PFN_PHYS(mp->pages)); reserve_bootmem_node(NODE_DATA(nid), PFN_PHYS(mp->start_pfn), - PFN_PHYS(mp->free_pfn - mp->start_pfn) + bootmap_size); + PFN_PHYS(mp->free_pfn - mp->start_pfn) + bootmap_size, + BOOTMEM_DEFAULT); if (max_low_pfn < max_pfn) max_low_pfn = max_pfn; @@ -104,7 +105,7 @@ unsigned long __init setup_memory(void) if (LOADER_TYPE && INITRD_START) { if (INITRD_START + INITRD_SIZE <= PFN_PHYS(max_low_pfn)) { reserve_bootmem_node(NODE_DATA(0), INITRD_START, - INITRD_SIZE); + INITRD_SIZE, BOOTMEM_DEFAULT); initrd_start = INITRD_START + PAGE_OFFSET; initrd_end = initrd_start + INITRD_SIZE; printk("initrd:start[%08lx],size[%08lx]\n", diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c index 8dda651..0055a6c 100644 --- a/arch/m68k/atari/stram.c +++ b/arch/m68k/atari/stram.c @@ -154,7 +154,7 @@ void __init atari_stram_reserve_pages(void *start_mem) /* always reserve first page of ST-RAM, the first 2 kB are * supervisor-only! */ if (!kernel_in_stram) - reserve_bootmem (0, PAGE_SIZE); + reserve_bootmem(0, PAGE_SIZE, BOOTMEM_DEFAULT); } diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c index ed3a4ca..9a06c48 100644 --- a/arch/m68k/kernel/setup.c +++ b/arch/m68k/kernel/setup.c @@ -323,7 +323,8 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_BLK_DEV_INITRD if (m68k_ramdisk.size) { reserve_bootmem_node(__virt_to_node(phys_to_virt(m68k_ramdisk.addr)), - m68k_ramdisk.addr, m68k_ramdisk.size); + m68k_ramdisk.addr, m68k_ramdisk.size, + BOOTMEM_DEFAULT); initrd_start = (unsigned long)phys_to_virt(m68k_ramdisk.addr); initrd_end = initrd_start + m68k_ramdisk.size; printk("initrd: %08lx - %08lx\n", initrd_start, initrd_end); diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c index 81507c5..156c6c6 100644 --- a/arch/m68knommu/kernel/setup.c +++ b/arch/m68knommu/kernel/setup.c @@ -203,7 +203,7 @@ void __init setup_arch(char **cmdline_p) * the bootmem bitmap so we then reserve it after freeing it :-) */ free_bootmem(memory_start, memory_end - memory_start); - reserve_bootmem(memory_start, bootmap_size); + reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT); /* * Get kmalloc into gear. diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index c032409..39f3dfe 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -232,7 +232,7 @@ static void __init finalize_initrd(void) goto disable; } - reserve_bootmem(__pa(initrd_start), size); + reserve_bootmem(__pa(initrd_start), size, BOOTMEM_DEFAULT); initrd_below_start_ok = 1; printk(KERN_INFO "Initial ramdisk at: 0x%lx (%lu bytes)\n", @@ -413,7 +413,7 @@ static void __init bootmem_init(void) /* * Reserve the bootmap memory. */ - reserve_bootmem(PFN_PHYS(mapstart), bootmap_size); + reserve_bootmem(PFN_PHYS(mapstart), bootmap_size, BOOTMEM_DEFAULT); /* * Reserve initrd memory if needed. diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index e5e023f..bf438d0 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -465,7 +465,8 @@ static void __init node_mem_init(cnodeid_t node) free_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT, (slot_lastpfn - slot_firstpfn) << PAGE_SHIFT); reserve_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT, - ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT) + bootmap_size); + ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT) + bootmap_size, + BOOTMEM_DEFAULT); } /* diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index aa875fa..eb80f5e 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -315,11 +315,13 @@ static void __init setup_bootmem(void) #define PDC_CONSOLE_IO_IODC_SIZE 32768 reserve_bootmem_node(NODE_DATA(0), 0UL, - (unsigned long)(PAGE0->mem_free + PDC_CONSOLE_IO_IODC_SIZE)); + (unsigned long)(PAGE0->mem_free + + PDC_CONSOLE_IO_IODC_SIZE), BOOTMEM_DEFAULT); reserve_bootmem_node(NODE_DATA(0), __pa((unsigned long)_text), - (unsigned long)(_end - _text)); + (unsigned long)(_end - _text), BOOTMEM_DEFAULT); reserve_bootmem_node(NODE_DATA(0), (bootmap_start_pfn << PAGE_SHIFT), - ((bootmap_pfn - bootmap_start_pfn) << PAGE_SHIFT)); + ((bootmap_pfn - bootmap_start_pfn) << PAGE_SHIFT), + BOOTMEM_DEFAULT); #ifndef CONFIG_DISCONTIGMEM @@ -328,7 +330,8 @@ static void __init setup_bootmem(void) for (i = 0; i < npmem_holes; i++) { reserve_bootmem_node(NODE_DATA(0), (pmem_holes[i].start_pfn << PAGE_SHIFT), - (pmem_holes[i].pages << PAGE_SHIFT)); + (pmem_holes[i].pages << PAGE_SHIFT), + BOOTMEM_DEFAULT); } #endif @@ -346,7 +349,8 @@ static void __init setup_bootmem(void) initrd_below_start_ok = 1; printk(KERN_INFO "initrd: reserving %08lx-%08lx (mem_max %08lx)\n", __pa(initrd_start), __pa(initrd_start) + initrd_reserve, mem_max); - reserve_bootmem_node(NODE_DATA(0),__pa(initrd_start), initrd_reserve); + reserve_bootmem_node(NODE_DATA(0), __pa(initrd_start), + initrd_reserve, BOOTMEM_DEFAULT); } } #endif diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index cf030b0..8dcac0b 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -97,6 +97,7 @@ config EARLY_PRINTK config COMPAT bool default y if PPC64 + select COMPAT_BINFMT_ELF config SYSVIPC_COMPAT bool @@ -438,25 +439,6 @@ config WANT_DEVICE_TREE bool default n -config DEVICE_TREE - string "Static device tree source file" - depends on WANT_DEVICE_TREE - help - This specifies the device tree source (.dts) file to be - compiled and included when building the bootwrapper. If a - relative filename is given, then it will be relative to - arch/powerpc/boot/dts. If you are not using the bootwrapper, - or do not need to build a dts into the bootwrapper, this - field is ignored. - - For example, this is required when building a cuImage target - for an older U-Boot, which cannot pass a device tree itself. - Such a kernel will not work with a newer U-Boot that tries to - pass a device tree (unless you tell it not to). If your U-Boot - does not mention a device tree in "help bootm", then use the - cuImage target and specify a device tree here. Otherwise, use - the uImage target and leave this field blank. - endmenu config ISA_DMA_API @@ -512,7 +494,7 @@ config PCI bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ || PPC_PS3 || 44x - default y if !40x && !CPM2 && !8xx && !PPC_83xx \ + default y if !40x && !CPM2 && !8xx && !PPC_MPC512x && !PPC_83xx \ && !PPC_85xx && !PPC_86xx default PCI_PERMEDIA if !4xx && !CPM2 && !8xx default PCI_QSPAN if !4xx && !CPM2 && 8xx diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index f70df9b..6845482 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -151,14 +151,11 @@ core-$(CONFIG_XMON) += arch/powerpc/xmon/ drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ # Default to zImage, override when needed -defaultimage-y := zImage -defaultimage-$(CONFIG_DEFAULT_UIMAGE) := uImage -KBUILD_IMAGE := $(defaultimage-y) -all: $(KBUILD_IMAGE) +all: zImage CPPFLAGS_vmlinux.lds := -Upowerpc -BOOT_TARGETS = zImage zImage.initrd uImage +BOOT_TARGETS = zImage zImage.initrd uImage treeImage.% cuImage.% PHONY += $(BOOT_TARGETS) @@ -180,7 +177,7 @@ define archhelp endef install: vdso_install - $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install + $(Q)$(MAKE) $(build)=$(boot) install vdso_install: ifeq ($(CONFIG_PPC64),y) diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 122a270..49797a4 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -60,8 +60,9 @@ src-wlib := string.S crt0.S stdio.c main.c \ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c \ cuboot-ebony.c treeboot-ebony.c prpmc2800.c \ ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \ - cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \ - fixed-head.S ep88xc.c cuboot-hpc2.c ep405.c cuboot-taishan.c \ + cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c \ + cuboot-bamboo.c cuboot-mpc7448hpc2.c cuboot-taishan.c \ + fixed-head.S ep88xc.c ep405.c \ cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \ cuboot-warp.c cuboot-85xx-cpm2.c src-boot := $(src-wlib) $(src-plat) empty.c @@ -123,6 +124,8 @@ targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds +dtstree := $(srctree)/$(src)/dts + wrapper :=$(srctree)/$(src)/wrapper wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree dtc) \ $(wrapper) FORCE @@ -181,7 +184,7 @@ quiet_cmd_wrap = WRAP $@ image-$(CONFIG_PPC_PSERIES) += zImage.pseries image-$(CONFIG_PPC_MAPLE) += zImage.pseries image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries -image-$(CONFIG_PPC_PS3) += zImage.ps3 +image-$(CONFIG_PPC_PS3) += zImage-dtb.ps3 image-$(CONFIG_PPC_CELLEB) += zImage.pseries image-$(CONFIG_PPC_CHRP) += zImage.chrp image-$(CONFIG_PPC_EFIKA) += zImage.chrp @@ -191,33 +194,69 @@ image-$(CONFIG_PPC_PRPMC2800) += zImage.prpmc2800 image-$(CONFIG_PPC_ISERIES) += zImage.iseries image-$(CONFIG_DEFAULT_UIMAGE) += uImage -ifneq ($(CONFIG_DEVICE_TREE),"") -image-$(CONFIG_PPC_8xx) += cuImage.8xx -image-$(CONFIG_PPC_EP88XC) += zImage.ep88xc -image-$(CONFIG_EP405) += zImage.ep405 -image-$(CONFIG_8260) += cuImage.pq2 -image-$(CONFIG_EP8248E) += zImage.ep8248e -image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx -image-$(CONFIG_STORCENTER) += cuImage.824x -image-$(CONFIG_PPC_83xx) += cuImage.83xx -image-$(CONFIG_PPC_85xx) += cuImage.85xx -ifeq ($(CONFIG_CPM2),y) -image-$(CONFIG_PPC_85xx) += cuImage.85xx-cpm2 -endif -image-$(CONFIG_MPC7448HPC2) += cuImage.hpc2 +# +# Targets which embed a device tree blob +# +# Theses are default targets to build images which embed device tree blobs. +# They are only required on boards which do not have FDT support in firmware. +# Boards with newish u-boot firmare can use the uImage target above +# + +# Board ports in arch/powerpc/platform/40x/Kconfig +image-$(CONFIG_EP405) += zImage-dtb.ep405 +image-$(CONFIG_WALNUT) += treeImage.walnut + +# Board ports in arch/powerpc/platform/44x/Kconfig image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo image-$(CONFIG_SEQUOIA) += cuImage.sequoia image-$(CONFIG_RAINIER) += cuImage.rainier -image-$(CONFIG_WALNUT) += treeImage.walnut image-$(CONFIG_TAISHAN) += cuImage.taishan image-$(CONFIG_KATMAI) += cuImage.katmai image-$(CONFIG_WARP) += cuImage.warp -endif -ifneq ($(CONFIG_REDBOOT),"") -image-$(CONFIG_PPC_8xx) += zImage.redboot-8xx -endif +# Board ports in arch/powerpc/platform/8xx/Kconfig +image-$(CONFIG_PPC_MPC86XADS) += cuImage.mpc866ads +image-$(CONFIG_PPC_MPC885ADS) += cuImage.mpc885ads +image-$(CONFIG_PPC_EP88XC) += zImage-dtb.ep88xc +image-$(CONFIG_PPC_ADDER875) += cuImage.adder875-uboot \ + zImage-dtb.adder875-redboot + +# Board ports in arch/powerpc/platform/52xx/Kconfig +image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200 cuImage.lite5200b + +# Board ports in arch/powerpc/platform/82xx/Kconfig +image-$(CONFIG_MPC8272_ADS) += cuImage.mpc8272ads +image-$(CONFIG_PQ2FADS) += cuImage.pq2fads +image-$(CONFIG_EP8248E) += zImage-dtb.ep8248e + +# Board ports in arch/powerpc/platform/83xx/Kconfig +image-$(CONFIG_MPC832x_MDS) += cuImage.mpc832x_mds +image-$(CONFIG_MPC832x_RDB) += cuImage.mpc832x_rdb +image-$(CONFIG_MPC834x_ITX) += cuImage.mpc8349emitx \ + cuImage.mpc8349emitxgp +image-$(CONFIG_MPC834x_MDS) += cuImage.mpc834x_mds +image-$(CONFIG_MPC836x_MDS) += cuImage.mpc836x_mds + +# Board ports in arch/powerpc/platform/85xx/Kconfig +image-$(CONFIG_MPC8540_ADS) += cuImage.mpc8540ads +image-$(CONFIG_MPC8560_ADS) += cuImage.mpc8560ads +image-$(CONFIG_MPC85xx_CDS) += cuImage.mpc8541cds \ + cuImage.mpc8548cds \ + cuImage.mpc8555cds +image-$(CONFIG_MPC85xx_MDS) += cuImage.mpc8568mds +image-$(CONFIG_MPC85xx_DS) += cuImage.mpc8544ds \ + cuImage.mpc8572ds +image-$(CONFIG_TQM8540) += cuImage.tqm8540 +image-$(CONFIG_TQM8541) += cuImage.tqm8541 +image-$(CONFIG_TQM8555) += cuImage.tqm8555 +image-$(CONFIG_TQM8560) += cuImage.tqm8560 +image-$(CONFIG_SBC8548) += cuImage.tqm8548 +image-$(CONFIG_SBC8560) += cuImage.tqm8560 + +# Board ports in arch/powerpc/platform/embedded6xx/Kconfig +image-$(CONFIG_STORCENTER) += cuImage.storcenter +image-$(CONFIG_MPC7448HPC2) += cuImage.mpc7448hpc2 # For 32-bit powermacs, build the COFF and miboot images # as well as the ELF images. @@ -233,24 +272,20 @@ targets += $(image-y) $(initrd-y) $(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz -# If CONFIG_WANT_DEVICE_TREE is set and CONFIG_DEVICE_TREE isn't an -# empty string, define 'dts' to be path to the dts -# CONFIG_DEVICE_TREE will have "" around it, make sure to strip them -ifeq ($(CONFIG_WANT_DEVICE_TREE),y) -ifneq ($(CONFIG_DEVICE_TREE),"") -dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\ - ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%) -endif -endif - # Don't put the ramdisk on the pattern rule; when its missing make will try # the pattern rule with less dependencies that also matches (even with the # hard dependency listed). -$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) $(dts) - $(call if_changed,wrap,$*,$(dts),,$(obj)/ramdisk.image.gz) +$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) + $(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz) -$(obj)/zImage.%: vmlinux $(wrapperbits) $(dts) - $(call if_changed,wrap,$*,$(dts)) +$(obj)/zImage.%: vmlinux $(wrapperbits) + $(call if_changed,wrap,$*) + +$(obj)/zImage-dtb.initrd.%: vmlinux $(wrapperbits) $(dtstree)/%.dts + $(call if_changed,wrap,$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz) + +$(obj)/zImage-dtb.%: vmlinux $(wrapperbits) $(dtstree)/%.dts + $(call if_changed,wrap,$*,$(dtstree)/$*.dts) # This cannot be in the root of $(src) as the zImage rule always adds a $(obj) # prefix @@ -260,24 +295,17 @@ $(obj)/vmlinux.strip: vmlinux $(obj)/zImage.iseries: vmlinux $(STRIP) -s -R .comment $< -o $@ -$(obj)/zImage.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts - $(STRIP) -s -R .comment $< -o vmlinux.strip - $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,) - -$(obj)/zImage.initrd.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts $(obj)/ramdisk.image.gz - $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,$(obj)/ramdisk.image.gz) - $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) -$(obj)/cuImage.%: vmlinux $(dts) $(wrapperbits) - $(call if_changed,wrap,cuboot-$*,$(dts)) +$(obj)/cuImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits) + $(call if_changed,wrap,cuboot-$*,$(dtstree)/$*.dts) -$(obj)/treeImage.initrd.%: vmlinux $(dts) $(wrapperbits) - $(call if_changed,wrap,treeboot-$*,$(dts),,$(obj)/ramdisk.image.gz) +$(obj)/treeImage.initrd.%: vmlinux $(dtstree)/%.dts $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz) -$(obj)/treeImage.%: vmlinux $(dts) $(wrapperbits) - $(call if_changed,wrap,treeboot-$*,$(dts)) +$(obj)/treeImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts) # If there isn't a platform selected then just strip the vmlinux. ifeq (,$(image-y)) diff --git a/arch/powerpc/boot/cuboot-hpc2.c b/arch/powerpc/boot/cuboot-mpc7448hpc2.c index 1b89532..1b89532 100644 --- a/arch/powerpc/boot/cuboot-hpc2.c +++ b/arch/powerpc/boot/cuboot-mpc7448hpc2.c diff --git a/arch/powerpc/boot/dts/adder875-redboot.dts b/arch/powerpc/boot/dts/adder875-redboot.dts index 930bfb3..28e9cd3 100644 --- a/arch/powerpc/boot/dts/adder875-redboot.dts +++ b/arch/powerpc/boot/dts/adder875-redboot.dts @@ -151,6 +151,7 @@ compatible = "fsl,mpc875-brg", "fsl,cpm1-brg", "fsl,cpm-brg"; + clock-frequency = <50000000>; reg = <0x9f0 0x10>; }; diff --git a/arch/powerpc/boot/dts/adder875-uboot.dts b/arch/powerpc/boot/dts/adder875-uboot.dts index 0197242..54fb60e 100644 --- a/arch/powerpc/boot/dts/adder875-uboot.dts +++ b/arch/powerpc/boot/dts/adder875-uboot.dts @@ -150,6 +150,7 @@ compatible = "fsl,mpc875-brg", "fsl,cpm1-brg", "fsl,cpm-brg"; + clock-frequency = <50000000>; reg = <0x9f0 0x10>; }; diff --git a/arch/powerpc/boot/dts/mpc5121ads.dts b/arch/powerpc/boot/dts/mpc5121ads.dts new file mode 100644 index 0000000..94ad7b2 --- /dev/null +++ b/arch/powerpc/boot/dts/mpc5121ads.dts @@ -0,0 +1,122 @@ +/* + * MPC5121E MDS Device Tree Source + * + * Copyright 2007 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; + +/ { + model = "mpc5121ads"; + compatible = "fsl,mpc5121ads"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,5121@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <0x20>; // 32 bytes + i-cache-line-size = <0x20>; // 32 bytes + d-cache-size = <0x8000>; // L1, 32K + i-cache-size = <0x8000>; // L1, 32K + timebase-frequency = <49500000>;// 49.5 MHz (csb/4) + bus-frequency = <198000000>; // 198 MHz csb bus + clock-frequency = <396000000>; // 396 MHz ppc core + }; + }; + + memory { + device_type = "memory"; + reg = <0x00000000 0x10000000>; // 256MB at 0 + }; + + localbus@80000020 { + compatible = "fsl,mpc5121ads-localbus"; + #address-cells = <2>; + #size-cells = <1>; + reg = <0x80000020 0x40>; + + ranges = <0x0 0x0 0xfc000000 0x04000000 + 0x2 0x0 0x82000000 0x00008000>; + + flash@0,0 { + compatible = "cfi-flash"; + reg = <0 0x0 0x4000000>; + bank-width = <4>; + device-width = <1>; + }; + + board-control@2,0 { + compatible = "fsl,mpc5121ads-cpld"; + reg = <0x2 0x0 0x8000>; + }; + }; + + soc@80000000 { + compatible = "fsl,mpc5121-immr"; + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <2>; + ranges = <0x0 0x80000000 0x400000>; + reg = <0x80000000 0x400000>; + bus-frequency = <66000000>; // 66 MHz ips bus + + + // IPIC + // interrupts cell = <intr #, sense> + // sense values match linux IORESOURCE_IRQ_* defines: + // sense == 8: Level, low assertion + // sense == 2: Edge, high-to-low change + // + ipic: interrupt-controller@c00 { + compatible = "fsl,mpc5121-ipic", "fsl,ipic"; + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0xc00 0x100>; + }; + + // 512x PSCs are not 52xx PSCs compatible + // PSC3 serial port A aka ttyPSC0 + serial@11300 { + device_type = "serial"; + compatible = "fsl,mpc5121-psc-uart"; + // Logical port assignment needed until driver + // learns to use aliases + port-number = <0>; + cell-index = <3>; + reg = <0x11300 0x100>; + interrupts = <0x28 0x8>; // actually the fifo irq + interrupt-parent = < &ipic >; + }; + + // PSC4 serial port B aka ttyPSC1 + serial@11400 { + device_type = "serial"; + compatible = "fsl,mpc5121-psc-uart"; + // Logical port assignment needed until driver + // learns to use aliases + port-number = <1>; + cell-index = <4>; + reg = <0x11400 0x100>; + interrupts = <0x28 0x8>; // actually the fifo irq + interrupt-parent = < &ipic >; + }; + + pscsfifo@11f00 { + compatible = "fsl,mpc5121-psc-fifo"; + reg = <0x11f00 0x100>; + interrupts = <0x28 0x8>; + interrupt-parent = < &ipic >; + }; + }; +}; diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts index 2d6653f..e1f0dca 100644 --- a/arch/powerpc/boot/dts/mpc8313erdb.dts +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts @@ -118,6 +118,10 @@ interrupts = <14 0x8>; interrupt-parent = <&ipic>; dfsrr; + rtc@68 { + compatible = "dallas,ds1339"; + reg = <0x68>; + }; }; i2c@3100 { diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts index b582032..d7a1ece 100644 --- a/arch/powerpc/boot/dts/mpc8315erdb.dts +++ b/arch/powerpc/boot/dts/mpc8315erdb.dts @@ -96,7 +96,7 @@ #address-cells = <1>; #size-cells = <1>; device_type = "soc"; - compatible = "simple-bus"; + compatible = "fsl,mpc8315-immr", "simple-bus"; ranges = <0 0xe0000000 0x00100000>; reg = <0xe0000000 0x00000200>; bus-frequency = <0>; diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts index 7480eda..0199c5c 100644 --- a/arch/powerpc/boot/dts/mpc834x_mds.dts +++ b/arch/powerpc/boot/dts/mpc834x_mds.dts @@ -332,7 +332,7 @@ 0xc000 0x0 0x0 0x3 &ipic 23 0x8 0xc000 0x0 0x0 0x4 &ipic 20 0x8>; interrupt-parent = <&ipic>; - interrupts = <66 0x8>; + interrupts = <67 0x8>; bus-range = <0 0>; ranges = <0x02000000 0x0 0xb0000000 0xb0000000 0x0 0x10000000 0x42000000 0x0 0xa0000000 0xa0000000 0x0 0x10000000 diff --git a/arch/powerpc/boot/dts/mpc8572ds.dts b/arch/powerpc/boot/dts/mpc8572ds.dts index 813c259..db37214 100644 --- a/arch/powerpc/boot/dts/mpc8572ds.dts +++ b/arch/powerpc/boot/dts/mpc8572ds.dts @@ -42,6 +42,18 @@ bus-frequency = <0>; clock-frequency = <0>; }; + + PowerPC,8572@1 { + device_type = "cpu"; + reg = <1>; + d-cache-line-size = <20>; // 32 bytes + i-cache-line-size = <20>; // 32 bytes + d-cache-size = <8000>; // L1, 32K + i-cache-size = <8000>; // L1, 32K + timebase-frequency = <0>; + bus-frequency = <0>; + clock-frequency = <0>; + }; }; memory { diff --git a/arch/powerpc/boot/dts/mpc885ads.dts b/arch/powerpc/boot/dts/mpc885ads.dts index 8848e63..d84a012 100644 --- a/arch/powerpc/boot/dts/mpc885ads.dts +++ b/arch/powerpc/boot/dts/mpc885ads.dts @@ -166,6 +166,7 @@ compatible = "fsl,mpc885-brg", "fsl,cpm1-brg", "fsl,cpm-brg"; + clock-frequency = <0>; reg = <9f0 10>; }; diff --git a/arch/powerpc/boot/dts/sequoia.dts b/arch/powerpc/boot/dts/sequoia.dts index d9046c1..5c13d46 100644 --- a/arch/powerpc/boot/dts/sequoia.dts +++ b/arch/powerpc/boot/dts/sequoia.dts @@ -138,6 +138,14 @@ interrupts = <15 8>; }; + USB0: ehci@e0000300 { + compatible = "ibm,usb-ehci-440epx", "usb-ehci"; + interrupt-parent = <&UIC0>; + interrupts = <1a 4>; + reg = <0 e0000300 90 0 e0000390 70>; + big-endian; + }; + POB0: opb { compatible = "ibm,opb-440epx", "ibm,opb"; #address-cells = <1>; diff --git a/arch/powerpc/boot/dts/storcenter.dts b/arch/powerpc/boot/dts/storcenter.dts index 2204874..5893816 100644 --- a/arch/powerpc/boot/dts/storcenter.dts +++ b/arch/powerpc/boot/dts/storcenter.dts @@ -15,7 +15,7 @@ / { model = "StorCenter"; - compatible = "storcenter"; + compatible = "iomega,storcenter"; #address-cells = <1>; #size-cells = <1>; @@ -62,12 +62,12 @@ #size-cells = <0>; compatible = "fsl-i2c"; reg = <0x3000 0x100>; - interrupts = <5 2>; + interrupts = <17 2>; interrupt-parent = <&mpic>; rtc@68 { compatible = "dallas,ds1337"; - reg = <68>; + reg = <0x68>; }; }; @@ -78,7 +78,7 @@ reg = <0x4500 0x20>; clock-frequency = <97553800>; /* Hz */ current-speed = <115200>; - interrupts = <9 2>; + interrupts = <25 2>; interrupt-parent = <&mpic>; }; @@ -89,7 +89,7 @@ reg = <0x4600 0x20>; clock-frequency = <97553800>; /* Hz */ current-speed = <9600>; - interrupts = <10 2>; + interrupts = <26 2>; interrupt-parent = <&mpic>; }; @@ -136,6 +136,6 @@ }; chosen { - linux,stdout-path = "/soc/serial@4500"; + linux,stdout-path = &serial0; }; }; diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 763a0c4..c317815 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -158,6 +158,29 @@ miboot|uboot) cuboot*) binary=y gzip= + case "$platform" in + *-mpc885ads|*-adder875*|*-ep88xc) + platformo=$object/cuboot-8xx.o + ;; + *5200*|*-motionpro) + platformo=$object/cuboot-52xx.o + ;; + *-pq2fads|*-ep8248e|*-mpc8272*|*-storcenter) + platformo=$object/cuboot-pq2.o + ;; + *-mpc824*) + platformo=$object/cuboot-824x.o + ;; + *-mpc83*) + platformo=$object/cuboot-83xx.o + ;; + *-tqm8541|*-mpc8560*|*-tqm8560|*-tqm8555*) + platformo=$object/cuboot-85xx-cpm2.o + ;; + *-mpc85*) + platformo=$object/cuboot-85xx.o + ;; + esac ;; ps3) platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o" diff --git a/arch/powerpc/configs/mpc83xx_defconfig b/arch/powerpc/configs/mpc83xx_defconfig index 31bdbf3..a9807f0 100644 --- a/arch/powerpc/configs/mpc83xx_defconfig +++ b/arch/powerpc/configs/mpc83xx_defconfig @@ -186,7 +186,7 @@ CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT is not set CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set -# CONFIG_MATH_EMULATION is not set +CONFIG_MATH_EMULATION=y CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_POPULATES_NODE_MAP=y @@ -416,14 +416,14 @@ CONFIG_PHYLIB=y # MII PHY device drivers # CONFIG_MARVELL_PHY=y -# CONFIG_DAVICOM_PHY is not set +CONFIG_DAVICOM_PHY=y # CONFIG_QSEMI_PHY is not set # CONFIG_LXT_PHY is not set # CONFIG_CICADA_PHY is not set -# CONFIG_VITESSE_PHY is not set +CONFIG_VITESSE_PHY=y # CONFIG_SMSC_PHY is not set # CONFIG_BROADCOM_PHY is not set -# CONFIG_ICPLUS_PHY is not set +CONFIG_ICPLUS_PHY=y # CONFIG_FIXED_PHY is not set # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y @@ -436,7 +436,7 @@ CONFIG_MII=y CONFIG_NETDEV_1000=y CONFIG_GIANFAR=y # CONFIG_GFAR_NAPI is not set -# CONFIG_UCC_GETH is not set +CONFIG_UCC_GETH=y CONFIG_NETDEV_10000=y # diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 58dbfef..0662ae4 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -2,6 +2,8 @@ # Makefile for the linux kernel. # +CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' + ifeq ($(CONFIG_PPC64),y) CFLAGS_prom_init.o += -mno-minimal-toc endif @@ -15,7 +17,7 @@ obj-y := semaphore.o cputable.o ptrace.o syscalls.o \ init_task.o process.o systbl.o idle.o \ signal.o obj-y += vdso32/ -obj-$(CONFIG_PPC64) += setup_64.o binfmt_elf32.o sys_ppc32.o \ +obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \ signal_64.o ptrace32.o \ paca.o cpu_setup_ppc970.o \ cpu_setup_pa6t.o \ diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index ed083fe..e6e4928 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -22,6 +22,7 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/suspend.h> +#include <linux/hrtimer.h> #ifdef CONFIG_PPC64 #include <linux/time.h> #include <linux/hardirq.h> @@ -312,7 +313,7 @@ int main(void) DEFINE(CLOCK_REALTIME, CLOCK_REALTIME); DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC); DEFINE(NSEC_PER_SEC, NSEC_PER_SEC); - DEFINE(CLOCK_REALTIME_RES, TICK_NSEC); + DEFINE(CLOCK_REALTIME_RES, (KTIME_MONOTONIC_RES).tv64); #ifdef CONFIG_BUG DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry)); diff --git a/arch/powerpc/kernel/binfmt_elf32.c b/arch/powerpc/kernel/binfmt_elf32.c deleted file mode 100644 index 1d45d77..0000000 --- a/arch/powerpc/kernel/binfmt_elf32.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * binfmt_elf32.c: Support 32-bit PPC ELF binaries on Power3 and followons. - * based on the SPARC64 version. - * Copyright (C) 1995, 1996, 1997, 1998 David S. Miller (davem@redhat.com) - * Copyright (C) 1995, 1996, 1997, 1998 Jakub Jelinek (jj@ultra.linux.cz) - * - * Copyright (C) 2000,2001 Ken Aaker (kdaaker@rchland.vnet.ibm.com), IBM Corp - * Copyright (C) 2001 Anton Blanchard (anton@au.ibm.com), IBM - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <asm/processor.h> -#include <linux/module.h> -#include <linux/compat.h> -#include <linux/elfcore-compat.h> - -#undef ELF_ARCH -#undef ELF_CLASS -#define ELF_CLASS ELFCLASS32 -#define ELF_ARCH EM_PPC - -#undef elfhdr -#undef elf_phdr -#undef elf_note -#undef elf_addr_t -#define elfhdr elf32_hdr -#define elf_phdr elf32_phdr -#define elf_note elf32_note -#define elf_addr_t Elf32_Off - -#define elf_prstatus compat_elf_prstatus -#define elf_prpsinfo compat_elf_prpsinfo - -#define elf_core_copy_regs compat_elf_core_copy_regs -static inline void compat_elf_core_copy_regs(compat_elf_gregset_t *elf_regs, - struct pt_regs *regs) -{ - PPC_ELF_CORE_COPY_REGS((*elf_regs), regs); -} - -#define elf_core_copy_task_regs compat_elf_core_copy_task_regs -static int compat_elf_core_copy_task_regs(struct task_struct *tsk, - compat_elf_gregset_t *elf_regs) -{ - struct pt_regs *regs = tsk->thread.regs; - if (regs) - compat_elf_core_copy_regs(elf_regs, regs); - return 1; -} - -#include <linux/time.h> - -#undef cputime_to_timeval -#define cputime_to_timeval cputime_to_compat_timeval -static __inline__ void -cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value) -{ - unsigned long jiffies = cputime_to_jiffies(cputime); - value->tv_usec = (jiffies % HZ) * (1000000L / HZ); - value->tv_sec = jiffies / HZ; -} - -#define init_elf_binfmt init_elf32_binfmt - -#include "../../../fs/binfmt_elf.c" diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index a4c2771..2a8f5cc 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -959,6 +959,9 @@ static struct cpu_spec __initdata cpu_specs[] = { .icache_bsize = 32, .dcache_bsize = 32, .cpu_setup = __setup_cpu_603, + .num_pmcs = 4, + .oprofile_cpu_type = "ppc/e300", + .oprofile_type = PPC_OPROFILE_FSL_EMB, .platform = "ppc603", }, { /* e300c4 (e300c1, plus one IU) */ @@ -971,6 +974,9 @@ static struct cpu_spec __initdata cpu_specs[] = { .dcache_bsize = 32, .cpu_setup = __setup_cpu_603, .machine_check = machine_check_generic, + .num_pmcs = 4, + .oprofile_cpu_type = "ppc/e300", + .oprofile_type = PPC_OPROFILE_FSL_EMB, .platform = "ppc603", }, { /* default match, we assume split I/D cache & TB (non-601)... */ @@ -1435,7 +1441,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .dcache_bsize = 32, .num_pmcs = 4, .oprofile_cpu_type = "ppc/e500", - .oprofile_type = PPC_OPROFILE_BOOKE, + .oprofile_type = PPC_OPROFILE_FSL_EMB, .machine_check = machine_check_e500, .platform = "ppc8540", }, @@ -1453,7 +1459,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .dcache_bsize = 32, .num_pmcs = 4, .oprofile_cpu_type = "ppc/e500", - .oprofile_type = PPC_OPROFILE_BOOKE, + .oprofile_type = PPC_OPROFILE_FSL_EMB, .machine_check = machine_check_e500, .platform = "ppc8548", }, diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 76b862b..61dd174 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -36,7 +36,8 @@ static struct legacy_serial_info { static struct __initdata of_device_id parents[] = { {.type = "soc",}, {.type = "tsi-bridge",}, - {.type = "opb", .compatible = "ibm,opb",}, + {.type = "opb", }, + {.compatible = "ibm,opb",}, {.compatible = "simple-bus",}, {.compatible = "wrs,epld-localbus",}, }; diff --git a/arch/powerpc/kernel/pmc.c b/arch/powerpc/kernel/pmc.c index ea04e0a..0516e2d 100644 --- a/arch/powerpc/kernel/pmc.c +++ b/arch/powerpc/kernel/pmc.c @@ -26,7 +26,7 @@ static void dummy_perf(struct pt_regs *regs) { -#if defined(CONFIG_FSL_BOOKE) && !defined(CONFIG_E200) +#if defined(CONFIG_FSL_EMB_PERFMON) mtpmr(PMRN_PMGC0, mfpmr(PMRN_PMGC0) & ~PMGC0_PMIE); #elif defined(CONFIG_PPC64) || defined(CONFIG_6xx) if (cur_cpu_spec->pmc_type == PPC_PMC_IBM) diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 8b056d2..7673e98 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -21,6 +21,8 @@ #include <linux/smp.h> #include <linux/errno.h> #include <linux/ptrace.h> +#include <linux/regset.h> +#include <linux/elf.h> #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> @@ -58,20 +60,38 @@ #define PT_MAX_PUT_REG PT_CCR #endif +static unsigned long get_user_msr(struct task_struct *task) +{ + return task->thread.regs->msr | task->thread.fpexc_mode; +} + +static int set_user_msr(struct task_struct *task, unsigned long msr) +{ + task->thread.regs->msr &= ~MSR_DEBUGCHANGE; + task->thread.regs->msr |= msr & MSR_DEBUGCHANGE; + return 0; +} + +/* + * We prevent mucking around with the reserved area of trap + * which are used internally by the kernel. + */ +static int set_user_trap(struct task_struct *task, unsigned long trap) +{ + task->thread.regs->trap = trap & 0xfff0; + return 0; +} + /* * Get contents of register REGNO in task TASK. */ unsigned long ptrace_get_reg(struct task_struct *task, int regno) { - unsigned long tmp = 0; - if (task->thread.regs == NULL) return -EIO; - if (regno == PT_MSR) { - tmp = ((unsigned long *)task->thread.regs)[PT_MSR]; - return tmp | task->thread.fpexc_mode; - } + if (regno == PT_MSR) + return get_user_msr(task); if (regno < (sizeof(struct pt_regs) / sizeof(unsigned long))) return ((unsigned long *)task->thread.regs)[regno]; @@ -87,40 +107,134 @@ int ptrace_put_reg(struct task_struct *task, int regno, unsigned long data) if (task->thread.regs == NULL) return -EIO; - if (regno <= PT_MAX_PUT_REG || regno == PT_TRAP) { - if (regno == PT_MSR) - data = (data & MSR_DEBUGCHANGE) - | (task->thread.regs->msr & ~MSR_DEBUGCHANGE); - /* We prevent mucking around with the reserved area of trap - * which are used internally by the kernel - */ - if (regno == PT_TRAP) - data &= 0xfff0; + if (regno == PT_MSR) + return set_user_msr(task, data); + if (regno == PT_TRAP) + return set_user_trap(task, data); + + if (regno <= PT_MAX_PUT_REG) { ((unsigned long *)task->thread.regs)[regno] = data; return 0; } return -EIO; } +static int gpr_get(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + int ret; + + if (target->thread.regs == NULL) + return -EIO; + + CHECK_FULL_REGS(target->thread.regs); + + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + target->thread.regs, + 0, offsetof(struct pt_regs, msr)); + if (!ret) { + unsigned long msr = get_user_msr(target); + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &msr, + offsetof(struct pt_regs, msr), + offsetof(struct pt_regs, msr) + + sizeof(msr)); + } + + BUILD_BUG_ON(offsetof(struct pt_regs, orig_gpr3) != + offsetof(struct pt_regs, msr) + sizeof(long)); + + if (!ret) + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.regs->orig_gpr3, + offsetof(struct pt_regs, orig_gpr3), + sizeof(struct pt_regs)); + if (!ret) + ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf, + sizeof(struct pt_regs), -1); + + return ret; +} + +static int gpr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + unsigned long reg; + int ret; + + if (target->thread.regs == NULL) + return -EIO; + + CHECK_FULL_REGS(target->thread.regs); + + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + target->thread.regs, + 0, PT_MSR * sizeof(reg)); -static int get_fpregs(void __user *data, struct task_struct *task, - int has_fpscr) + if (!ret && count > 0) { + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, ®, + PT_MSR * sizeof(reg), + (PT_MSR + 1) * sizeof(reg)); + if (!ret) + ret = set_user_msr(target, reg); + } + + BUILD_BUG_ON(offsetof(struct pt_regs, orig_gpr3) != + offsetof(struct pt_regs, msr) + sizeof(long)); + + if (!ret) + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.regs->orig_gpr3, + PT_ORIG_R3 * sizeof(reg), + (PT_MAX_PUT_REG + 1) * sizeof(reg)); + + if (PT_MAX_PUT_REG + 1 < PT_TRAP && !ret) + ret = user_regset_copyin_ignore( + &pos, &count, &kbuf, &ubuf, + (PT_MAX_PUT_REG + 1) * sizeof(reg), + PT_TRAP * sizeof(reg)); + + if (!ret && count > 0) { + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, ®, + PT_TRAP * sizeof(reg), + (PT_TRAP + 1) * sizeof(reg)); + if (!ret) + ret = set_user_trap(target, reg); + } + + if (!ret) + ret = user_regset_copyin_ignore( + &pos, &count, &kbuf, &ubuf, + (PT_TRAP + 1) * sizeof(reg), -1); + + return ret; +} + +static int fpr_get(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) { - unsigned int count = has_fpscr ? 33 : 32; + flush_fp_to_thread(target); - if (copy_to_user(data, task->thread.fpr, count * sizeof(double))) - return -EFAULT; - return 0; + BUILD_BUG_ON(offsetof(struct thread_struct, fpscr) != + offsetof(struct thread_struct, fpr[32])); + + return user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.fpr, 0, -1); } -static int set_fpregs(void __user *data, struct task_struct *task, - int has_fpscr) +static int fpr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) { - unsigned int count = has_fpscr ? 33 : 32; + flush_fp_to_thread(target); - if (copy_from_user(task->thread.fpr, data, count * sizeof(double))) - return -EFAULT; - return 0; + BUILD_BUG_ON(offsetof(struct thread_struct, fpscr) != + offsetof(struct thread_struct, fpr[32])); + + return user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.fpr, 0, -1); } @@ -138,56 +252,74 @@ static int set_fpregs(void __user *data, struct task_struct *task, * (combined (32- and 64-bit) gdb. */ -/* - * Get contents of AltiVec register state in task TASK - */ -static int get_vrregs(unsigned long __user *data, struct task_struct *task) +static int vr_active(struct task_struct *target, + const struct user_regset *regset) { - unsigned long regsize; + flush_altivec_to_thread(target); + return target->thread.used_vr ? regset->n : 0; +} - /* copy AltiVec registers VR[0] .. VR[31] */ - regsize = 32 * sizeof(vector128); - if (copy_to_user(data, task->thread.vr, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); +static int vr_get(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + int ret; - /* copy VSCR */ - regsize = 1 * sizeof(vector128); - if (copy_to_user(data, &task->thread.vscr, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); + flush_altivec_to_thread(target); - /* copy VRSAVE */ - if (put_user(task->thread.vrsave, (u32 __user *)data)) - return -EFAULT; + BUILD_BUG_ON(offsetof(struct thread_struct, vscr) != + offsetof(struct thread_struct, vr[32])); - return 0; + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.vr, 0, + 33 * sizeof(vector128)); + if (!ret) { + /* + * Copy out only the low-order word of vrsave. + */ + union { + elf_vrreg_t reg; + u32 word; + } vrsave; + memset(&vrsave, 0, sizeof(vrsave)); + vrsave.word = target->thread.vrsave; + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &vrsave, + 33 * sizeof(vector128), -1); + } + + return ret; } -/* - * Write contents of AltiVec register state into task TASK. - */ -static int set_vrregs(struct task_struct *task, unsigned long __user *data) +static int vr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) { - unsigned long regsize; + int ret; - /* copy AltiVec registers VR[0] .. VR[31] */ - regsize = 32 * sizeof(vector128); - if (copy_from_user(task->thread.vr, data, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); + flush_altivec_to_thread(target); - /* copy VSCR */ - regsize = 1 * sizeof(vector128); - if (copy_from_user(&task->thread.vscr, data, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); + BUILD_BUG_ON(offsetof(struct thread_struct, vscr) != + offsetof(struct thread_struct, vr[32])); - /* copy VRSAVE */ - if (get_user(task->thread.vrsave, (u32 __user *)data)) - return -EFAULT; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.vr, 0, 33 * sizeof(vector128)); + if (!ret && count > 0) { + /* + * We use only the first word of vrsave. + */ + union { + elf_vrreg_t reg; + u32 word; + } vrsave; + memset(&vrsave, 0, sizeof(vrsave)); + vrsave.word = target->thread.vrsave; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &vrsave, + 33 * sizeof(vector128), -1); + if (!ret) + target->thread.vrsave = vrsave.word; + } - return 0; + return ret; } #endif /* CONFIG_ALTIVEC */ @@ -203,57 +335,273 @@ static int set_vrregs(struct task_struct *task, unsigned long __user *data) * } */ -/* - * Get contents of SPE register state in task TASK. - */ -static int get_evrregs(unsigned long *data, struct task_struct *task) +static int evr_active(struct task_struct *target, + const struct user_regset *regset) { - int i; + flush_spe_to_thread(target); + return target->thread.used_spe ? regset->n : 0; +} - if (!access_ok(VERIFY_WRITE, data, 35 * sizeof(unsigned long))) - return -EFAULT; +static int evr_get(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + int ret; - /* copy SPEFSCR */ - if (__put_user(task->thread.spefscr, &data[34])) - return -EFAULT; + flush_spe_to_thread(target); - /* copy SPE registers EVR[0] .. EVR[31] */ - for (i = 0; i < 32; i++, data++) - if (__put_user(task->thread.evr[i], data)) - return -EFAULT; + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.evr, + 0, sizeof(target->thread.evr)); - /* copy ACC */ - if (__put_user64(task->thread.acc, (unsigned long long *)data)) - return -EFAULT; + BUILD_BUG_ON(offsetof(struct thread_struct, acc) + sizeof(u64) != + offsetof(struct thread_struct, spefscr)); - return 0; + if (!ret) + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.acc, + sizeof(target->thread.evr), -1); + + return ret; +} + +static int evr_set(struct task_struct *target, const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + int ret; + + flush_spe_to_thread(target); + + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.evr, + 0, sizeof(target->thread.evr)); + + BUILD_BUG_ON(offsetof(struct thread_struct, acc) + sizeof(u64) != + offsetof(struct thread_struct, spefscr)); + + if (!ret) + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.acc, + sizeof(target->thread.evr), -1); + + return ret; } +#endif /* CONFIG_SPE */ + /* - * Write contents of SPE register state into task TASK. + * These are our native regset flavors. */ -static int set_evrregs(struct task_struct *task, unsigned long *data) +enum powerpc_regset { + REGSET_GPR, + REGSET_FPR, +#ifdef CONFIG_ALTIVEC + REGSET_VMX, +#endif +#ifdef CONFIG_SPE + REGSET_SPE, +#endif +}; + +static const struct user_regset native_regsets[] = { + [REGSET_GPR] = { + .core_note_type = NT_PRSTATUS, .n = ELF_NGREG, + .size = sizeof(long), .align = sizeof(long), + .get = gpr_get, .set = gpr_set + }, + [REGSET_FPR] = { + .core_note_type = NT_PRFPREG, .n = ELF_NFPREG, + .size = sizeof(double), .align = sizeof(double), + .get = fpr_get, .set = fpr_set + }, +#ifdef CONFIG_ALTIVEC + [REGSET_VMX] = { + .core_note_type = NT_PPC_VMX, .n = 34, + .size = sizeof(vector128), .align = sizeof(vector128), + .active = vr_active, .get = vr_get, .set = vr_set + }, +#endif +#ifdef CONFIG_SPE + [REGSET_SPE] = { + .n = 35, + .size = sizeof(u32), .align = sizeof(u32), + .active = evr_active, .get = evr_get, .set = evr_set + }, +#endif +}; + +static const struct user_regset_view user_ppc_native_view = { + .name = UTS_MACHINE, .e_machine = ELF_ARCH, .ei_osabi = ELF_OSABI, + .regsets = native_regsets, .n = ARRAY_SIZE(native_regsets) +}; + +#ifdef CONFIG_PPC64 +#include <linux/compat.h> + +static int gpr32_get(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) { - int i; + const unsigned long *regs = &target->thread.regs->gpr[0]; + compat_ulong_t *k = kbuf; + compat_ulong_t __user *u = ubuf; + compat_ulong_t reg; + + if (target->thread.regs == NULL) + return -EIO; + + CHECK_FULL_REGS(target->thread.regs); - if (!access_ok(VERIFY_READ, data, 35 * sizeof(unsigned long))) - return -EFAULT; + pos /= sizeof(reg); + count /= sizeof(reg); - /* copy SPEFSCR */ - if (__get_user(task->thread.spefscr, &data[34])) - return -EFAULT; + if (kbuf) + for (; count > 0 && pos < PT_MSR; --count) + *k++ = regs[pos++]; + else + for (; count > 0 && pos < PT_MSR; --count) + if (__put_user((compat_ulong_t) regs[pos++], u++)) + return -EFAULT; - /* copy SPE registers EVR[0] .. EVR[31] */ - for (i = 0; i < 32; i++, data++) - if (__get_user(task->thread.evr[i], data)) + if (count > 0 && pos == PT_MSR) { + reg = get_user_msr(target); + if (kbuf) + *k++ = reg; + else if (__put_user(reg, u++)) return -EFAULT; - /* copy ACC */ - if (__get_user64(task->thread.acc, (unsigned long long*)data)) - return -EFAULT; + ++pos; + --count; + } - return 0; + if (kbuf) + for (; count > 0 && pos < PT_REGS_COUNT; --count) + *k++ = regs[pos++]; + else + for (; count > 0 && pos < PT_REGS_COUNT; --count) + if (__put_user((compat_ulong_t) regs[pos++], u++)) + return -EFAULT; + + kbuf = k; + ubuf = u; + pos *= sizeof(reg); + count *= sizeof(reg); + return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf, + PT_REGS_COUNT * sizeof(reg), -1); +} + +static int gpr32_set(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + unsigned long *regs = &target->thread.regs->gpr[0]; + const compat_ulong_t *k = kbuf; + const compat_ulong_t __user *u = ubuf; + compat_ulong_t reg; + + if (target->thread.regs == NULL) + return -EIO; + + CHECK_FULL_REGS(target->thread.regs); + + pos /= sizeof(reg); + count /= sizeof(reg); + + if (kbuf) + for (; count > 0 && pos < PT_MSR; --count) + regs[pos++] = *k++; + else + for (; count > 0 && pos < PT_MSR; --count) { + if (__get_user(reg, u++)) + return -EFAULT; + regs[pos++] = reg; + } + + + if (count > 0 && pos == PT_MSR) { + if (kbuf) + reg = *k++; + else if (__get_user(reg, u++)) + return -EFAULT; + set_user_msr(target, reg); + ++pos; + --count; + } + + if (kbuf) + for (; count > 0 && pos <= PT_MAX_PUT_REG; --count) + regs[pos++] = *k++; + else + for (; count > 0 && pos <= PT_MAX_PUT_REG; --count) { + if (__get_user(reg, u++)) + return -EFAULT; + regs[pos++] = reg; + } + + if (count > 0 && pos == PT_TRAP) { + if (kbuf) + reg = *k++; + else if (__get_user(reg, u++)) + return -EFAULT; + set_user_trap(target, reg); + ++pos; + --count; + } + + kbuf = k; + ubuf = u; + pos *= sizeof(reg); + count *= sizeof(reg); + return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, + (PT_TRAP + 1) * sizeof(reg), -1); +} + +/* + * These are the regset flavors matching the CONFIG_PPC32 native set. + */ +static const struct user_regset compat_regsets[] = { + [REGSET_GPR] = { + .core_note_type = NT_PRSTATUS, .n = ELF_NGREG, + .size = sizeof(compat_long_t), .align = sizeof(compat_long_t), + .get = gpr32_get, .set = gpr32_set + }, + [REGSET_FPR] = { + .core_note_type = NT_PRFPREG, .n = ELF_NFPREG, + .size = sizeof(double), .align = sizeof(double), + .get = fpr_get, .set = fpr_set + }, +#ifdef CONFIG_ALTIVEC + [REGSET_VMX] = { + .core_note_type = NT_PPC_VMX, .n = 34, + .size = sizeof(vector128), .align = sizeof(vector128), + .active = vr_active, .get = vr_get, .set = vr_set + }, +#endif +#ifdef CONFIG_SPE + [REGSET_SPE] = { + .core_note_type = NT_PPC_SPE, .n = 35, + .size = sizeof(u32), .align = sizeof(u32), + .active = evr_active, .get = evr_get, .set = evr_set + }, +#endif +}; + +static const struct user_regset_view user_ppc_compat_view = { + .name = "ppc", .e_machine = EM_PPC, .ei_osabi = ELF_OSABI, + .regsets = compat_regsets, .n = ARRAY_SIZE(compat_regsets) +}; +#endif /* CONFIG_PPC64 */ + +const struct user_regset_view *task_user_regset_view(struct task_struct *task) +{ +#ifdef CONFIG_PPC64 + if (test_tsk_thread_flag(task, TIF_32BIT)) + return &user_ppc_compat_view; +#endif + return &user_ppc_native_view; } -#endif /* CONFIG_SPE */ void user_enable_single_step(struct task_struct *task) @@ -323,55 +671,29 @@ void ptrace_disable(struct task_struct *child) static long arch_ptrace_old(struct task_struct *child, long request, long addr, long data) { - int ret = -EPERM; - - switch(request) { - case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned long __user *tmp = (unsigned long __user *)addr; - - CHECK_FULL_REGS(child->thread.regs); - for (i = 0; i < 32; i++) { - ret = put_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } - break; - } - - case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned long __user *tmp = (unsigned long __user *)addr; - - CHECK_FULL_REGS(child->thread.regs); - for (i = 0; i < 32; i++) { - ret = get_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } - break; - } - - case PPC_PTRACE_GETFPREGS: { /* Get FPRs 0 - 31. */ - flush_fp_to_thread(child); - ret = get_fpregs((void __user *)addr, child, 0); - break; - } - - case PPC_PTRACE_SETFPREGS: { /* Get FPRs 0 - 31. */ - flush_fp_to_thread(child); - ret = set_fpregs((void __user *)addr, child, 0); - break; + switch (request) { + case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */ + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_GPR, 0, 32 * sizeof(long), + (void __user *) data); + + case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */ + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_GPR, 0, 32 * sizeof(long), + (const void __user *) data); + + case PPC_PTRACE_GETFPREGS: /* Get FPRs 0 - 31. */ + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_FPR, 0, 32 * sizeof(double), + (void __user *) data); + + case PPC_PTRACE_SETFPREGS: /* Set FPRs 0 - 31. */ + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_FPR, 0, 32 * sizeof(double), + (const void __user *) data); } - } - return ret; + return -EPERM; } long arch_ptrace(struct task_struct *child, long request, long addr, long data) @@ -379,12 +701,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int ret = -EPERM; switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: - ret = generic_ptrace_peekdata(child, addr, data); - break; - /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { unsigned long index, tmp; @@ -412,12 +728,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - /* If I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ - case PTRACE_POKEDATA: - ret = generic_ptrace_pokedata(child, addr, data); - break; - /* write the word at location addr in the USER area */ case PTRACE_POKEUSR: { unsigned long index; @@ -462,85 +772,60 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) #ifdef CONFIG_PPC64 case PTRACE_GETREGS64: #endif - case PTRACE_GETREGS: { /* Get all pt_regs from the child. */ - int ui; - if (!access_ok(VERIFY_WRITE, (void __user *)data, - sizeof(struct pt_regs))) { - ret = -EIO; - break; - } - CHECK_FULL_REGS(child->thread.regs); - ret = 0; - for (ui = 0; ui < PT_REGS_COUNT; ui ++) { - ret |= __put_user(ptrace_get_reg(child, ui), - (unsigned long __user *) data); - data += sizeof(long); - } - break; - } + case PTRACE_GETREGS: /* Get all pt_regs from the child. */ + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_GPR, + 0, sizeof(struct pt_regs), + (void __user *) data); #ifdef CONFIG_PPC64 case PTRACE_SETREGS64: #endif - case PTRACE_SETREGS: { /* Set all gp regs in the child. */ - unsigned long tmp; - int ui; - if (!access_ok(VERIFY_READ, (void __user *)data, - sizeof(struct pt_regs))) { - ret = -EIO; - break; - } - CHECK_FULL_REGS(child->thread.regs); - ret = 0; - for (ui = 0; ui < PT_REGS_COUNT; ui ++) { - ret = __get_user(tmp, (unsigned long __user *) data); - if (ret) - break; - ptrace_put_reg(child, ui, tmp); - data += sizeof(long); - } - break; - } - - case PTRACE_GETFPREGS: { /* Get the child FPU state (FPR0...31 + FPSCR) */ - flush_fp_to_thread(child); - ret = get_fpregs((void __user *)data, child, 1); - break; - } - - case PTRACE_SETFPREGS: { /* Set the child FPU state (FPR0...31 + FPSCR) */ - flush_fp_to_thread(child); - ret = set_fpregs((void __user *)data, child, 1); - break; - } + case PTRACE_SETREGS: /* Set all gp regs in the child. */ + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_GPR, + 0, sizeof(struct pt_regs), + (const void __user *) data); + + case PTRACE_GETFPREGS: /* Get the child FPU state (FPR0...31 + FPSCR) */ + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_FPR, + 0, sizeof(elf_fpregset_t), + (void __user *) data); + + case PTRACE_SETFPREGS: /* Set the child FPU state (FPR0...31 + FPSCR) */ + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_FPR, + 0, sizeof(elf_fpregset_t), + (const void __user *) data); #ifdef CONFIG_ALTIVEC case PTRACE_GETVRREGS: - /* Get the child altivec register state. */ - flush_altivec_to_thread(child); - ret = get_vrregs((unsigned long __user *)data, child); - break; + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_VMX, + 0, (33 * sizeof(vector128) + + sizeof(u32)), + (void __user *) data); case PTRACE_SETVRREGS: - /* Set the child altivec register state. */ - flush_altivec_to_thread(child); - ret = set_vrregs(child, (unsigned long __user *)data); - break; + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_VMX, + 0, (33 * sizeof(vector128) + + sizeof(u32)), + (const void __user *) data); #endif #ifdef CONFIG_SPE case PTRACE_GETEVRREGS: /* Get the child spe register state. */ - flush_spe_to_thread(child); - ret = get_evrregs((unsigned long __user *)data, child); - break; + return copy_regset_to_user(child, &user_ppc_native_view, + REGSET_SPE, 0, 35 * sizeof(u32), + (void __user *) data); case PTRACE_SETEVRREGS: /* Set the child spe register state. */ - /* this is to clear the MSR_SPE bit to force a reload - * of register state from memory */ - flush_spe_to_thread(child); - ret = set_evrregs(child, (unsigned long __user *)data); - break; + return copy_regset_from_user(child, &user_ppc_native_view, + REGSET_SPE, 0, 35 * sizeof(u32), + (const void __user *) data); #endif /* Old reverse args ptrace callss */ diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c index fea6206..4c1de6a 100644 --- a/arch/powerpc/kernel/ptrace32.c +++ b/arch/powerpc/kernel/ptrace32.c @@ -24,9 +24,11 @@ #include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> +#include <linux/regset.h> #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> +#include <linux/compat.h> #include <asm/uaccess.h> #include <asm/page.h> @@ -45,87 +47,31 @@ static long compat_ptrace_old(struct task_struct *child, long request, long addr, long data) { - int ret = -EPERM; - - switch(request) { - case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned int __user *tmp = (unsigned int __user *)addr; - - CHECK_FULL_REGS(child->thread.regs); - for (i = 0; i < 32; i++) { - ret = put_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } - break; - } - - case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned int __user *tmp = (unsigned int __user *)addr; - - CHECK_FULL_REGS(child->thread.regs); - for (i = 0; i < 32; i++) { - ret = get_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } - break; + switch (request) { + case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */ + return copy_regset_to_user(child, + task_user_regset_view(current), 0, + 0, 32 * sizeof(compat_long_t), + compat_ptr(data)); + + case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */ + return copy_regset_from_user(child, + task_user_regset_view(current), 0, + 0, 32 * sizeof(compat_long_t), + compat_ptr(data)); } - } - return ret; + return -EPERM; } -long compat_sys_ptrace(int request, int pid, unsigned long addr, - unsigned long data) +long compat_arch_ptrace(struct task_struct *child, compat_long_t request, + compat_ulong_t caddr, compat_ulong_t cdata) { - struct task_struct *child; + unsigned long addr = caddr; + unsigned long data = cdata; int ret; - lock_kernel(); - if (request == PTRACE_TRACEME) { - ret = ptrace_traceme(); - goto out; - } - - child = ptrace_get_task_struct(pid); - if (IS_ERR(child)) { - ret = PTR_ERR(child); - goto out; - } - - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - goto out_tsk; - } - - ret = ptrace_check_attach(child, request == PTRACE_KILL); - if (ret < 0) - goto out_tsk; - switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned int tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp, (u32 __user *)data); - break; - } - /* * Read 4 bytes of the other process' storage * data is a pointer specifying where the user wants the @@ -225,19 +171,6 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, break; } - /* If I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ - case PTRACE_POKEDATA: { - unsigned int tmp; - tmp = data; - ret = 0; - if (access_process_vm(child, addr, &tmp, sizeof(tmp), 1) - == sizeof(tmp)) - break; - ret = -EIO; - break; - } - /* * Write 4 bytes into the other process' storage * data is the 4 bytes that the user wants written @@ -337,46 +270,17 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, break; } - case PTRACE_GETEVENTMSG: - ret = put_user(child->ptrace_message, (unsigned int __user *) data); - break; + case PTRACE_GETREGS: /* Get all pt_regs from the child. */ + return copy_regset_to_user( + child, task_user_regset_view(current), 0, + 0, PT_REGS_COUNT * sizeof(compat_long_t), + compat_ptr(data)); - case PTRACE_GETREGS: { /* Get all pt_regs from the child. */ - int ui; - if (!access_ok(VERIFY_WRITE, (void __user *)data, - PT_REGS_COUNT * sizeof(int))) { - ret = -EIO; - break; - } - CHECK_FULL_REGS(child->thread.regs); - ret = 0; - for (ui = 0; ui < PT_REGS_COUNT; ui ++) { - ret |= __put_user(ptrace_get_reg(child, ui), - (unsigned int __user *) data); - data += sizeof(int); - } - break; - } - - case PTRACE_SETREGS: { /* Set all gp regs in the child. */ - unsigned long tmp; - int ui; - if (!access_ok(VERIFY_READ, (void __user *)data, - PT_REGS_COUNT * sizeof(int))) { - ret = -EIO; - break; - } - CHECK_FULL_REGS(child->thread.regs); - ret = 0; - for (ui = 0; ui < PT_REGS_COUNT; ui ++) { - ret = __get_user(tmp, (unsigned int __user *) data); - if (ret) - break; - ptrace_put_reg(child, ui, tmp); - data += sizeof(int); - } - break; - } + case PTRACE_SETREGS: /* Set all gp regs in the child. */ + return copy_regset_from_user( + child, task_user_regset_view(current), 0, + 0, PT_REGS_COUNT * sizeof(compat_long_t), + compat_ptr(data)); case PTRACE_GETFPREGS: case PTRACE_SETFPREGS: @@ -402,12 +306,9 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, break; default: - ret = ptrace_request(child, request, addr, data); + ret = compat_ptrace_request(child, request, addr, data); break; } -out_tsk: - put_task_struct(child); -out: - unlock_kernel(); + return ret; } diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 848a204..4b5b7ff 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -54,7 +54,7 @@ #endif #include <asm/kexec.h> -#ifdef CONFIG_DEBUGGER +#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) int (*__debugger)(struct pt_regs *regs); int (*__debugger_ipi)(struct pt_regs *regs); int (*__debugger_bpt)(struct pt_regs *regs); diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index f0bad70..f9886725 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -176,7 +176,7 @@ static void __devinit vio_dev_release(struct device *dev) * Returns a pointer to the created vio_dev or NULL if node has * NULL device_type or compatible fields. */ -struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node) +struct vio_dev *vio_register_device_node(struct device_node *of_node) { struct vio_dev *viodev; const unsigned int *unit_address; diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index e812244..93a5c53 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -220,12 +220,13 @@ void __init do_init_bootmem(void) lmb_size_bytes(&lmb.reserved, i) - 1; if (addr < total_lowmem) reserve_bootmem(lmb.reserved.region[i].base, - lmb_size_bytes(&lmb.reserved, i)); + lmb_size_bytes(&lmb.reserved, i), + BOOTMEM_DEFAULT); else if (lmb.reserved.region[i].base < total_lowmem) { unsigned long adjusted_size = total_lowmem - lmb.reserved.region[i].base; reserve_bootmem(lmb.reserved.region[i].base, - adjusted_size); + adjusted_size, BOOTMEM_DEFAULT); } } #else @@ -234,7 +235,8 @@ void __init do_init_bootmem(void) /* reserve the sections we're already using */ for (i = 0; i < lmb.reserved.cnt; i++) reserve_bootmem(lmb.reserved.region[i].base, - lmb_size_bytes(&lmb.reserved, i)); + lmb_size_bytes(&lmb.reserved, i), + BOOTMEM_DEFAULT); #endif /* XXX need to clip this if using highmem? */ @@ -483,7 +485,12 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, */ _tlbie(address, 0 /* 8xx doesn't care about PID */); #endif - if (!PageReserved(page) + /* The _PAGE_USER test should really be _PAGE_EXEC, but + * older glibc versions execute some code from no-exec + * pages, which for now we are supporting. If exec-only + * pages are ever implemented, this will have to change. + */ + if (!PageReserved(page) && (pte_val(pte) & _PAGE_USER) && !test_bit(PG_arch_1, &page->flags)) { if (vma->vm_mm == current->active_mm) { __flush_dcache_icache((void *) address); diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index c12adc3dd..a300d25 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -24,6 +24,8 @@ static int numa_enabled = 1; +static char *cmdline __initdata; + static int numa_debug; #define dbg(args...) if (numa_debug) { printk(KERN_INFO args); } @@ -39,6 +41,53 @@ static bootmem_data_t __initdata plat_node_bdata[MAX_NUMNODES]; static int min_common_depth; static int n_mem_addr_cells, n_mem_size_cells; +static int __cpuinit fake_numa_create_new_node(unsigned long end_pfn, + unsigned int *nid) +{ + unsigned long long mem; + char *p = cmdline; + static unsigned int fake_nid; + static unsigned long long curr_boundary; + + /* + * Modify node id, iff we started creating NUMA nodes + * We want to continue from where we left of the last time + */ + if (fake_nid) + *nid = fake_nid; + /* + * In case there are no more arguments to parse, the + * node_id should be the same as the last fake node id + * (we've handled this above). + */ + if (!p) + return 0; + + mem = memparse(p, &p); + if (!mem) + return 0; + + if (mem < curr_boundary) + return 0; + + curr_boundary = mem; + + if ((end_pfn << PAGE_SHIFT) > mem) { + /* + * Skip commas and spaces + */ + while (*p == ',' || *p == ' ' || *p == '\t') + p++; + + cmdline = p; + fake_nid++; + *nid = fake_nid; + dbg("created new fake_node with id %d\n", fake_nid); + return 1; + } + return 0; +} + static void __cpuinit map_cpu_to_node(int cpu, int node) { numa_cpu_lookup_table[cpu] = node; @@ -344,6 +393,9 @@ static void __init parse_drconf_memory(struct device_node *memory) if (nid == 0xffff || nid >= MAX_NUMNODES) nid = default_nid; } + + fake_numa_create_new_node(((start + lmb_size) >> PAGE_SHIFT), + &nid); node_set_online(nid); size = numa_enforce_memory_limit(start, lmb_size); @@ -429,6 +481,8 @@ new_range: nid = of_node_to_nid_single(memory); if (nid < 0) nid = default_nid; + + fake_numa_create_new_node(((start + size) >> PAGE_SHIFT), &nid); node_set_online(nid); if (!(size = numa_enforce_memory_limit(start, size))) { @@ -461,7 +515,7 @@ static void __init setup_nonnuma(void) unsigned long top_of_ram = lmb_end_of_DRAM(); unsigned long total_ram = lmb_phys_mem_size(); unsigned long start_pfn, end_pfn; - unsigned int i; + unsigned int i, nid = 0; printk(KERN_DEBUG "Top of RAM: 0x%lx, Total RAM: 0x%lx\n", top_of_ram, total_ram); @@ -471,9 +525,11 @@ static void __init setup_nonnuma(void) for (i = 0; i < lmb.memory.cnt; ++i) { start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT; end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i); - add_active_range(0, start_pfn, end_pfn); + + fake_numa_create_new_node(end_pfn, &nid); + add_active_range(nid, start_pfn, end_pfn); + node_set_online(nid); } - node_set_online(0); } void __init dump_numa_cpu_topology(void) @@ -675,7 +731,7 @@ void __init do_init_bootmem(void) dbg("reserve_bootmem %lx %lx\n", physbase, size); reserve_bootmem_node(NODE_DATA(nid), physbase, - size); + size, BOOTMEM_DEFAULT); } } @@ -702,6 +758,10 @@ static int __init early_numa(char *p) if (strstr(p, "debug")) numa_debug = 1; + p = strstr(p, "fake="); + if (p) + cmdline = p + strlen("fake="); + return 0; } early_param("numa", early_numa); diff --git a/arch/powerpc/oprofile/Makefile b/arch/powerpc/oprofile/Makefile index c5f64c3..2ef6b0d 100644 --- a/arch/powerpc/oprofile/Makefile +++ b/arch/powerpc/oprofile/Makefile @@ -15,5 +15,5 @@ oprofile-$(CONFIG_OPROFILE_CELL) += op_model_cell.o \ cell/spu_profiler.o cell/vma_map.o \ cell/spu_task_sync.o oprofile-$(CONFIG_PPC64) += op_model_rs64.o op_model_power4.o op_model_pa6t.o -oprofile-$(CONFIG_FSL_BOOKE) += op_model_fsl_booke.o +oprofile-$(CONFIG_FSL_EMB_PERFMON) += op_model_fsl_emb.o oprofile-$(CONFIG_6xx) += op_model_7450.o diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c index a28cce1..4908dc9 100644 --- a/arch/powerpc/oprofile/common.c +++ b/arch/powerpc/oprofile/common.c @@ -202,9 +202,9 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) model = &op_model_7450; break; #endif -#ifdef CONFIG_FSL_BOOKE - case PPC_OPROFILE_BOOKE: - model = &op_model_fsl_booke; +#if defined(CONFIG_FSL_EMB_PERFMON) + case PPC_OPROFILE_FSL_EMB: + model = &op_model_fsl_emb; break; #endif default: diff --git a/arch/powerpc/oprofile/op_model_fsl_booke.c b/arch/powerpc/oprofile/op_model_fsl_emb.c index 183a28b..91596f6 100644 --- a/arch/powerpc/oprofile/op_model_fsl_booke.c +++ b/arch/powerpc/oprofile/op_model_fsl_emb.c @@ -1,7 +1,5 @@ /* - * arch/powerpc/oprofile/op_model_fsl_booke.c - * - * Freescale Book-E oprofile support, based on ppc64 oprofile support + * Freescale Embedded oprofile support, based on ppc64 oprofile support * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM * * Copyright (c) 2004 Freescale Semiconductor, Inc @@ -22,7 +20,7 @@ #include <asm/system.h> #include <asm/processor.h> #include <asm/cputable.h> -#include <asm/reg_booke.h> +#include <asm/reg_fsl_emb.h> #include <asm/page.h> #include <asm/pmc.h> #include <asm/oprofile_impl.h> @@ -244,7 +242,7 @@ static void dump_pmcs(void) mfpmr(PMRN_PMLCA3), mfpmr(PMRN_PMLCB3)); } -static int fsl_booke_cpu_setup(struct op_counter_config *ctr) +static int fsl_emb_cpu_setup(struct op_counter_config *ctr) { int i; @@ -262,7 +260,7 @@ static int fsl_booke_cpu_setup(struct op_counter_config *ctr) return 0; } -static int fsl_booke_reg_setup(struct op_counter_config *ctr, +static int fsl_emb_reg_setup(struct op_counter_config *ctr, struct op_system_config *sys, int num_ctrs) { @@ -281,7 +279,7 @@ static int fsl_booke_reg_setup(struct op_counter_config *ctr, return 0; } -static int fsl_booke_start(struct op_counter_config *ctr) +static int fsl_emb_start(struct op_counter_config *ctr) { int i; @@ -315,7 +313,7 @@ static int fsl_booke_start(struct op_counter_config *ctr) return 0; } -static void fsl_booke_stop(void) +static void fsl_emb_stop(void) { /* freeze counters */ pmc_stop_ctrs(); @@ -329,7 +327,7 @@ static void fsl_booke_stop(void) } -static void fsl_booke_handle_interrupt(struct pt_regs *regs, +static void fsl_emb_handle_interrupt(struct pt_regs *regs, struct op_counter_config *ctr) { unsigned long pc; @@ -362,10 +360,10 @@ static void fsl_booke_handle_interrupt(struct pt_regs *regs, pmc_start_ctrs(1); } -struct op_powerpc_model op_model_fsl_booke = { - .reg_setup = fsl_booke_reg_setup, - .cpu_setup = fsl_booke_cpu_setup, - .start = fsl_booke_start, - .stop = fsl_booke_stop, - .handle_interrupt = fsl_booke_handle_interrupt, +struct op_powerpc_model op_model_fsl_emb = { + .reg_setup = fsl_emb_reg_setup, + .cpu_setup = fsl_emb_cpu_setup, + .start = fsl_emb_start, + .stop = fsl_emb_stop, + .handle_interrupt = fsl_emb_handle_interrupt, }; diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig index 74f3117..a9260e2 100644 --- a/arch/powerpc/platforms/40x/Kconfig +++ b/arch/powerpc/platforms/40x/Kconfig @@ -72,6 +72,7 @@ config WALNUT default y select 405GP select PCI + select OF_RTC help This option enables support for the IBM PPC405GP evaluation board. diff --git a/arch/powerpc/platforms/40x/virtex.c b/arch/powerpc/platforms/40x/virtex.c index 88b6644..0422590 100644 --- a/arch/powerpc/platforms/40x/virtex.c +++ b/arch/powerpc/platforms/40x/virtex.c @@ -37,7 +37,7 @@ static int __init virtex_probe(void) { unsigned long root = of_get_flat_dt_root(); - if (!of_flat_dt_is_compatible(root, "xilinx,virtex")) + if (!of_flat_dt_is_compatible(root, "xlnx,virtex")) return 0; return 1; diff --git a/arch/powerpc/platforms/40x/walnut.c b/arch/powerpc/platforms/40x/walnut.c index 5d9edd9..b8b257e 100644 --- a/arch/powerpc/platforms/40x/walnut.c +++ b/arch/powerpc/platforms/40x/walnut.c @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/of_platform.h> +#include <linux/rtc.h> #include <asm/machdep.h> #include <asm/prom.h> diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c index 8f01563..da5b7b7 100644 --- a/arch/powerpc/platforms/44x/warp.c +++ b/arch/powerpc/platforms/44x/warp.c @@ -137,7 +137,7 @@ static int __init pika_dtm_start(void) } of_node_put(np); - fpga = ioremap(res.start + 0x20, 4); + fpga = ioremap(res.start, 0x24); if (fpga == NULL) return -ENOENT; diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig new file mode 100644 index 0000000..c6fa49e --- /dev/null +++ b/arch/powerpc/platforms/512x/Kconfig @@ -0,0 +1,20 @@ +config PPC_MPC512x + bool + select FSL_SOC + select IPIC + default n + +config PPC_MPC5121 + bool + select PPC_MPC512x + default n + +config MPC5121_ADS + bool "Freescale MPC5121E ADS" + depends on PPC_MULTIPLATFORM && PPC32 + select DEFAULT_UIMAGE + select WANT_DEVICE_TREE + select PPC_MPC5121 + help + This option enables support for the MPC5121E ADS board. + default n diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile new file mode 100644 index 0000000..232c89f --- /dev/null +++ b/arch/powerpc/platforms/512x/Makefile @@ -0,0 +1,4 @@ +# +# Makefile for the Freescale PowerPC 512x linux kernel. +# +obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c new file mode 100644 index 0000000..50bd3a3 --- /dev/null +++ b/arch/powerpc/platforms/512x/mpc5121_ads.c @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007 + * + * Description: + * MPC5121 ADS board setup + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/of_platform.h> + +#include <asm/machdep.h> +#include <asm/ipic.h> +#include <asm/prom.h> +#include <asm/time.h> + +/** + * mpc512x_find_ips_freq - Find the IPS bus frequency for a device + * @node: device node + * + * Returns IPS bus frequency, or 0 if the bus frequency cannot be found. + */ +unsigned long +mpc512x_find_ips_freq(struct device_node *node) +{ + struct device_node *np; + const unsigned int *p_ips_freq = NULL; + + of_node_get(node); + while (node) { + p_ips_freq = of_get_property(node, "bus-frequency", NULL); + if (p_ips_freq) + break; + + np = of_get_parent(node); + of_node_put(node); + node = np; + } + if (node) + of_node_put(node); + + return p_ips_freq ? *p_ips_freq : 0; +} +EXPORT_SYMBOL(mpc512x_find_ips_freq); + +static struct of_device_id __initdata of_bus_ids[] = { + { .name = "soc", }, + { .name = "localbus", }, + {}, +}; + +static void __init mpc5121_ads_declare_of_platform_devices(void) +{ + /* Find every child of the SOC node and add it to of_platform */ + if (of_platform_bus_probe(NULL, of_bus_ids, NULL)) + printk(KERN_ERR __FILE__ ": " + "Error while probing of_platform bus\n"); +} + +static void __init mpc5121_ads_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); + if (!np) + return; + + ipic_init(np, 0); + of_node_put(np); + + /* + * Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init mpc5121_ads_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,mpc5121ads"); +} + +define_machine(mpc5121_ads) { + .name = "MPC5121 ADS", + .probe = mpc5121_ads_probe, + .init = mpc5121_ads_declare_of_platform_devices, + .init_IRQ = mpc5121_ads_init_IRQ, + .get_irq = ipic_get_irq, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c b/arch/powerpc/platforms/82xx/mpc8272_ads.c index 3fce6b3..7d30187 100644 --- a/arch/powerpc/platforms/82xx/mpc8272_ads.c +++ b/arch/powerpc/platforms/82xx/mpc8272_ads.c @@ -134,13 +134,12 @@ static void __init mpc8272_ads_setup_arch(void) } bcsr = of_iomap(np, 0); + of_node_put(np); if (!bcsr) { printk(KERN_ERR "Cannot map BCSR registers\n"); return; } - of_node_put(np); - clrbits32(&bcsr[1], BCSR1_RS232_EN1 | BCSR1_RS232_EN2 | BCSR1_FETHIEN); setbits32(&bcsr[1], BCSR1_FETH_RST); diff --git a/arch/powerpc/platforms/82xx/pq2fads.c b/arch/powerpc/platforms/82xx/pq2fads.c index 68196e3..e1dceee 100644 --- a/arch/powerpc/platforms/82xx/pq2fads.c +++ b/arch/powerpc/platforms/82xx/pq2fads.c @@ -130,13 +130,12 @@ static void __init pq2fads_setup_arch(void) } bcsr = of_iomap(np, 0); + of_node_put(np); if (!bcsr) { printk(KERN_ERR "Cannot map BCSR registers\n"); return; } - of_node_put(np); - /* Enable the serial and ethernet ports */ clrbits32(&bcsr[1], BCSR1_RS232_EN1 | BCSR1_RS232_EN2 | BCSR1_FETHIEN); diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 9f0fd88..e7f706b 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -101,7 +101,7 @@ static void __init mpc832x_rdb_setup_arch(void) #ifdef CONFIG_QUICC_ENGINE qe_reset(); - if ((np = of_find_node_by_name(np, "par_io")) != NULL) { + if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) { par_io_init(np); of_node_put(np); diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h index 88bb748..68065e6 100644 --- a/arch/powerpc/platforms/83xx/mpc83xx.h +++ b/arch/powerpc/platforms/83xx/mpc83xx.h @@ -14,6 +14,8 @@ #define MPC83XX_SCCR_USB_DRCM_11 0x00300000 #define MPC83XX_SCCR_USB_DRCM_01 0x00100000 #define MPC83XX_SCCR_USB_DRCM_10 0x00200000 +#define MPC8315_SCCR_USB_MASK 0x00c00000 +#define MPC8315_SCCR_USB_DRCM_11 0x00c00000 #define MPC837X_SCCR_USB_DRCM_11 0x00c00000 /* system i/o configuration register low */ diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c index 681230a..471fdd8 100644 --- a/arch/powerpc/platforms/83xx/usb.c +++ b/arch/powerpc/platforms/83xx/usb.c @@ -104,6 +104,7 @@ int mpc831x_usb_cfg(void) u32 temp; void __iomem *immap, *usb_regs; struct device_node *np = NULL; + struct device_node *immr_node = NULL; const void *prop; struct resource res; int ret = 0; @@ -124,10 +125,15 @@ int mpc831x_usb_cfg(void) } /* Configure clock */ - temp = in_be32(immap + MPC83XX_SCCR_OFFS); - temp &= ~MPC83XX_SCCR_USB_MASK; - temp |= MPC83XX_SCCR_USB_DRCM_11; /* 1:3 */ - out_be32(immap + MPC83XX_SCCR_OFFS, temp); + immr_node = of_get_parent(np); + if (immr_node && of_device_is_compatible(immr_node, "fsl,mpc8315-immr")) + clrsetbits_be32(immap + MPC83XX_SCCR_OFFS, + MPC8315_SCCR_USB_MASK, + MPC8315_SCCR_USB_DRCM_11); + else + clrsetbits_be32(immap + MPC83XX_SCCR_OFFS, + MPC83XX_SCCR_USB_MASK, + MPC83XX_SCCR_USB_DRCM_11); /* Configure pin mux for ULPI. There is no pin mux for UTMI */ if (prop && !strcmp(prop, "ulpi")) { @@ -144,6 +150,9 @@ int mpc831x_usb_cfg(void) iounmap(immap); + if (immr_node) + of_node_put(immr_node); + /* Map USB SOC space */ ret = of_address_to_resource(np, 0, &res); if (ret) { diff --git a/arch/powerpc/platforms/8xx/adder875.c b/arch/powerpc/platforms/8xx/adder875.c index c6bc078..82363e9 100644 --- a/arch/powerpc/platforms/8xx/adder875.c +++ b/arch/powerpc/platforms/8xx/adder875.c @@ -15,12 +15,12 @@ #include <asm/time.h> #include <asm/machdep.h> -#include <asm/commproc.h> +#include <asm/cpm1.h> #include <asm/fs_pd.h> #include <asm/udbg.h> #include <asm/prom.h> -#include <sysdev/commproc.h> +#include "mpc8xx.h" struct cpm_pin { int port, pin, flags; @@ -108,7 +108,7 @@ define_machine(adder875) { .name = "Adder MPC875", .probe = adder875_probe, .setup_arch = adder875_setup, - .init_IRQ = m8xx_pic_init, + .init_IRQ = mpc8xx_pics_init, .get_irq = mpc8xx_get_irq, .restart = mpc8xx_restart, .calibrate_decr = generic_calibrate_decr, diff --git a/arch/powerpc/platforms/8xx/ep88xc.c b/arch/powerpc/platforms/8xx/ep88xc.c index a8dffa0..7d9ac60 100644 --- a/arch/powerpc/platforms/8xx/ep88xc.c +++ b/arch/powerpc/platforms/8xx/ep88xc.c @@ -15,7 +15,6 @@ #include <asm/machdep.h> #include <asm/io.h> #include <asm/udbg.h> -#include <asm/commproc.h> #include <asm/cpm1.h> #include "mpc8xx.h" diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index fdce10c..fcedbec 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -24,6 +24,7 @@ config PPC_83xx select MPC83xx select IPIC select WANT_DEVICE_TREE + select FSL_EMB_PERFMON config PPC_86xx bool "Freescale 86xx" @@ -41,6 +42,7 @@ config CLASSIC32 source "arch/powerpc/platforms/pseries/Kconfig" source "arch/powerpc/platforms/iseries/Kconfig" source "arch/powerpc/platforms/chrp/Kconfig" +source "arch/powerpc/platforms/512x/Kconfig" source "arch/powerpc/platforms/52xx/Kconfig" source "arch/powerpc/platforms/powermac/Kconfig" source "arch/powerpc/platforms/prep/Kconfig" diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 7fc4110..69941ba 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -14,7 +14,7 @@ choice There are five families of 32 bit PowerPC chips supported. The most common ones are the desktop and server CPUs (601, 603, 604, 740, 750, 74xx) CPUs from Freescale and IBM, with their - embedded 52xx/82xx/83xx/86xx counterparts. + embedded 512x/52xx/82xx/83xx/86xx counterparts. The other embeeded parts, namely 4xx, 8xx, e200 (55xx) and e500 (85xx) each form a family of their own that is not compatible with the others. @@ -22,7 +22,7 @@ choice If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx. config 6xx - bool "52xx/6xx/7xx/74xx/82xx/83xx/86xx" + bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx" select PPC_FPU config PPC_85xx @@ -94,6 +94,7 @@ config 8xx bool config E500 + select FSL_EMB_PERFMON bool config PPC_FPU @@ -115,6 +116,9 @@ config FSL_BOOKE depends on E200 || E500 default y +config FSL_EMB_PERFMON + bool + config PTE_64BIT bool depends on 44x || E500 @@ -221,7 +225,7 @@ config NR_CPUS config NOT_COHERENT_CACHE bool - depends on 4xx || 8xx || E200 + depends on 4xx || 8xx || E200 || PPC_MPC512x default y config CHECK_CACHE_COHERENCY diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index 6d9079d..a984894 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -11,6 +11,7 @@ endif obj-$(CONFIG_PPC_CHRP) += chrp/ obj-$(CONFIG_40x) += 40x/ obj-$(CONFIG_44x) += 44x/ +obj-$(CONFIG_PPC_MPC512x) += 512x/ obj-$(CONFIG_PPC_MPC52xx) += 52xx/ obj-$(CONFIG_PPC_8xx) += 8xx/ obj-$(CONFIG_PPC_82xx) += 82xx/ diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index 3a963b4..2f16999 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -54,6 +54,13 @@ config SPU_FS_64K_LS uses 4K pages. This can improve performances of applications using multiple SPEs by lowering the TLB pressure on them. +config SPU_TRACE + tristate "SPU event tracing support" + depends on SPU_FS && MARKERS + help + This option allows reading a trace of spu-related events through + the sputrace file in procfs. + config SPU_BASE bool default n diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index 095988f..d95e71d 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -13,7 +13,7 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/msi.h> -#include <linux/reboot.h> +#include <linux/of_platform.h> #include <asm/dcr.h> #include <asm/machdep.h> @@ -65,14 +65,12 @@ struct axon_msic { struct irq_host *irq_host; - __le32 *fifo; + __le32 *fifo_virt; + dma_addr_t fifo_phys; dcr_host_t dcr_host; - struct list_head list; u32 read_offset; }; -static LIST_HEAD(axon_msic_list); - static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val) { pr_debug("axon_msi: dcr_write(0x%x, 0x%x)\n", val, dcr_n); @@ -94,7 +92,7 @@ static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc) while (msic->read_offset != write_offset) { idx = msic->read_offset / sizeof(__le32); - msi = le32_to_cpu(msic->fifo[idx]); + msi = le32_to_cpu(msic->fifo_virt[idx]); msi &= 0xFFFF; pr_debug("axon_msi: woff %x roff %x msi %x\n", @@ -139,6 +137,7 @@ static struct axon_msic *find_msi_translator(struct pci_dev *dev) tmp = dn; dn = of_find_node_by_phandle(*ph); + of_node_put(tmp); if (!dn) { dev_dbg(&dev->dev, "axon_msi: msi-translator doesn't point to a node\n"); @@ -156,7 +155,6 @@ static struct axon_msic *find_msi_translator(struct pci_dev *dev) out_error: of_node_put(dn); - of_node_put(tmp); return msic; } @@ -292,30 +290,24 @@ static struct irq_host_ops msic_host_ops = { .map = msic_host_map, }; -static int axon_msi_notify_reboot(struct notifier_block *nb, - unsigned long code, void *data) +static int axon_msi_shutdown(struct of_device *device) { - struct axon_msic *msic; + struct axon_msic *msic = device->dev.platform_data; u32 tmp; - list_for_each_entry(msic, &axon_msic_list, list) { - pr_debug("axon_msi: disabling %s\n", - msic->irq_host->of_node->full_name); - tmp = dcr_read(msic->dcr_host, MSIC_CTRL_REG); - tmp &= ~MSIC_CTRL_ENABLE & ~MSIC_CTRL_IRQ_ENABLE; - msic_dcr_write(msic, MSIC_CTRL_REG, tmp); - } + pr_debug("axon_msi: disabling %s\n", + msic->irq_host->of_node->full_name); + tmp = dcr_read(msic->dcr_host, MSIC_CTRL_REG); + tmp &= ~MSIC_CTRL_ENABLE & ~MSIC_CTRL_IRQ_ENABLE; + msic_dcr_write(msic, MSIC_CTRL_REG, tmp); return 0; } -static struct notifier_block axon_msi_reboot_notifier = { - .notifier_call = axon_msi_notify_reboot -}; - -static int axon_msi_setup_one(struct device_node *dn) +static int axon_msi_probe(struct of_device *device, + const struct of_device_id *device_id) { - struct page *page; + struct device_node *dn = device->node; struct axon_msic *msic; unsigned int virq; int dcr_base, dcr_len; @@ -346,16 +338,14 @@ static int axon_msi_setup_one(struct device_node *dn) goto out_free_msic; } - page = alloc_pages_node(of_node_to_nid(dn), GFP_KERNEL, - get_order(MSIC_FIFO_SIZE_BYTES)); - if (!page) { + msic->fifo_virt = dma_alloc_coherent(&device->dev, MSIC_FIFO_SIZE_BYTES, + &msic->fifo_phys, GFP_KERNEL); + if (!msic->fifo_virt) { printk(KERN_ERR "axon_msi: couldn't allocate fifo for %s\n", dn->full_name); goto out_free_msic; } - msic->fifo = page_address(page); - msic->irq_host = irq_alloc_host(of_node_get(dn), IRQ_HOST_MAP_NOMAP, NR_IRQS, &msic_host_ops, 0); if (!msic->irq_host) { @@ -378,14 +368,18 @@ static int axon_msi_setup_one(struct device_node *dn) pr_debug("axon_msi: irq 0x%x setup for axon_msi\n", virq); /* Enable the MSIC hardware */ - msic_dcr_write(msic, MSIC_BASE_ADDR_HI_REG, (u64)msic->fifo >> 32); + msic_dcr_write(msic, MSIC_BASE_ADDR_HI_REG, msic->fifo_phys >> 32); msic_dcr_write(msic, MSIC_BASE_ADDR_LO_REG, - (u64)msic->fifo & 0xFFFFFFFF); + msic->fifo_phys & 0xFFFFFFFF); msic_dcr_write(msic, MSIC_CTRL_REG, MSIC_CTRL_IRQ_ENABLE | MSIC_CTRL_ENABLE | MSIC_CTRL_FIFO_SIZE); - list_add(&msic->list, &axon_msic_list); + device->dev.platform_data = msic; + + ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs; + ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs; + ppc_md.msi_check_device = axon_msi_check_device; printk(KERN_DEBUG "axon_msi: setup MSIC on %s\n", dn->full_name); @@ -394,7 +388,8 @@ static int axon_msi_setup_one(struct device_node *dn) out_free_host: kfree(msic->irq_host); out_free_fifo: - __free_pages(virt_to_page(msic->fifo), get_order(MSIC_FIFO_SIZE_BYTES)); + dma_free_coherent(&device->dev, MSIC_FIFO_SIZE_BYTES, msic->fifo_virt, + msic->fifo_phys); out_free_msic: kfree(msic); out: @@ -402,28 +397,24 @@ out: return -1; } -static int axon_msi_init(void) -{ - struct device_node *dn; - int found = 0; - - pr_debug("axon_msi: initialising ...\n"); - - for_each_compatible_node(dn, NULL, "ibm,axon-msic") { - if (axon_msi_setup_one(dn) == 0) - found++; - } - - if (found) { - ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs; - ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs; - ppc_md.msi_check_device = axon_msi_check_device; - - register_reboot_notifier(&axon_msi_reboot_notifier); +static const struct of_device_id axon_msi_device_id[] = { + { + .compatible = "ibm,axon-msic" + }, + {} +}; - pr_debug("axon_msi: registered callbacks!\n"); - } +static struct of_platform_driver axon_msi_driver = { + .match_table = axon_msi_device_id, + .probe = axon_msi_probe, + .shutdown = axon_msi_shutdown, + .driver = { + .name = "axon-msi" + }, +}; - return 0; +static int __init axon_msi_init(void) +{ + return of_register_platform_driver(&axon_msi_driver); } -arch_initcall(axon_msi_init); +subsys_initcall(axon_msi_init); diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index e6534b5..a7f609b 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -98,7 +98,7 @@ static int __init cell_publish_devices(void) } return 0; } -machine_device_initcall(cell, cell_publish_devices); +machine_subsys_initcall(cell, cell_publish_devices); static void cell_mpic_cascade(unsigned int irq, struct irq_desc *desc) { diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile index d3a349f..99610a6 100644 --- a/arch/powerpc/platforms/cell/spufs/Makefile +++ b/arch/powerpc/platforms/cell/spufs/Makefile @@ -4,6 +4,8 @@ spufs-y += inode.o file.o context.o syscalls.o coredump.o spufs-y += sched.o backing_ops.o hw_ops.o run.o gang.o spufs-y += switch.o fault.o lscsa_alloc.o +obj-$(CONFIG_SPU_TRACE) += sputrace.o + # Rules to build switch.o with the help of SPU tool chain SPU_CROSS := spu- SPU_CC := $(SPU_CROSS)gcc diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 3fcd064..1018acd 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -29,6 +29,7 @@ #include <linux/poll.h> #include <linux/ptrace.h> #include <linux/seq_file.h> +#include <linux/marker.h> #include <asm/io.h> #include <asm/semaphore.h> @@ -358,6 +359,8 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, struct spu_context *ctx = vma->vm_file->private_data; unsigned long area, offset = address - vma->vm_start; + spu_context_nospu_trace(spufs_ps_nopfn__enter, ctx); + offset += vma->vm_pgoff << PAGE_SHIFT; if (offset >= ps_size) return NOPFN_SIGBUS; @@ -375,11 +378,14 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, if (ctx->state == SPU_STATE_SAVED) { up_read(¤t->mm->mmap_sem); + spu_context_nospu_trace(spufs_ps_nopfn__sleep, ctx); spufs_wait(ctx->run_wq, ctx->state == SPU_STATE_RUNNABLE); + spu_context_trace(spufs_ps_nopfn__wake, ctx, ctx->spu); down_read(¤t->mm->mmap_sem); } else { area = ctx->spu->problem_phys + ps_offs; vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT); + spu_context_trace(spufs_ps_nopfn__insert, ctx, ctx->spu); } spu_release(ctx); diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index c0e968a..90784c0 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -322,7 +322,7 @@ static struct spu_context * spufs_assert_affinity(unsigned int flags, struct spu_gang *gang, struct file *filp) { - struct spu_context *tmp, *neighbor; + struct spu_context *tmp, *neighbor, *err; int count, node; int aff_supp; @@ -354,11 +354,15 @@ spufs_assert_affinity(unsigned int flags, struct spu_gang *gang, if (!list_empty(&neighbor->aff_list) && !(neighbor->aff_head) && !list_is_last(&neighbor->aff_list, &gang->aff_list_head) && !list_entry(neighbor->aff_list.next, struct spu_context, - aff_list)->aff_head) - return ERR_PTR(-EEXIST); + aff_list)->aff_head) { + err = ERR_PTR(-EEXIST); + goto out_put_neighbor; + } - if (gang != neighbor->gang) - return ERR_PTR(-EINVAL); + if (gang != neighbor->gang) { + err = ERR_PTR(-EINVAL); + goto out_put_neighbor; + } count = 1; list_for_each_entry(tmp, &gang->aff_list_head, aff_list) @@ -372,11 +376,17 @@ spufs_assert_affinity(unsigned int flags, struct spu_gang *gang, break; } - if (node == MAX_NUMNODES) - return ERR_PTR(-EEXIST); + if (node == MAX_NUMNODES) { + err = ERR_PTR(-EEXIST); + goto out_put_neighbor; + } } return neighbor; + +out_put_neighbor: + put_spu_context(neighbor); + return err; } static void @@ -454,9 +464,12 @@ spufs_create_context(struct inode *inode, struct dentry *dentry, if (ret) goto out_aff_unlock; - if (affinity) + if (affinity) { spufs_set_affinity(flags, SPUFS_I(dentry->d_inode)->i_ctx, neighbor); + if (neighbor) + put_spu_context(neighbor); + } /* * get references for dget and mntget, will be released diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c index c01a09d..b4814c7 100644 --- a/arch/powerpc/platforms/cell/spufs/run.c +++ b/arch/powerpc/platforms/cell/spufs/run.c @@ -410,8 +410,11 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event) * since we have TIF_SINGLESTEP set, thus the kernel will do * it upon return from the syscall anyawy */ - if ((status & SPU_STATUS_STOPPED_BY_STOP) - && (status >> SPU_STOP_STATUS_SHIFT) == 0x3fff) { + if (unlikely(status & SPU_STATUS_SINGLE_STEP)) + ret = -ERESTARTSYS; + + else if (unlikely((status & SPU_STATUS_STOPPED_BY_STOP) + && (status >> SPU_STOP_STATUS_SHIFT) == 0x3fff)) { force_sig(SIGTRAP, current); ret = -ERESTARTSYS; } diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 00d9142..5915343 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -39,6 +39,7 @@ #include <linux/pid_namespace.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <linux/marker.h> #include <asm/io.h> #include <asm/mmu_context.h> @@ -216,8 +217,8 @@ void do_notify_spus_active(void) */ static void spu_bind_context(struct spu *spu, struct spu_context *ctx) { - pr_debug("%s: pid=%d SPU=%d NODE=%d\n", __FUNCTION__, current->pid, - spu->number, spu->node); + spu_context_trace(spu_bind_context__enter, ctx, spu); + spuctx_switch_state(ctx, SPU_UTIL_SYSTEM); if (ctx->flags & SPU_CREATE_NOSCHED) @@ -399,8 +400,8 @@ static int has_affinity(struct spu_context *ctx) */ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) { - pr_debug("%s: unbind pid=%d SPU=%d NODE=%d\n", __FUNCTION__, - spu->pid, spu->number, spu->node); + spu_context_trace(spu_unbind_context__enter, ctx, spu); + spuctx_switch_state(ctx, SPU_UTIL_SYSTEM); if (spu->ctx->flags & SPU_CREATE_NOSCHED) @@ -528,6 +529,8 @@ static struct spu *spu_get_idle(struct spu_context *ctx) struct spu *spu, *aff_ref_spu; int node, n; + spu_context_nospu_trace(spu_get_idle__enter, ctx); + if (ctx->gang) { mutex_lock(&ctx->gang->aff_mutex); if (has_affinity(ctx)) { @@ -546,8 +549,7 @@ static struct spu *spu_get_idle(struct spu_context *ctx) if (atomic_dec_and_test(&ctx->gang->aff_sched_count)) ctx->gang->aff_ref_spu = NULL; mutex_unlock(&ctx->gang->aff_mutex); - - return NULL; + goto not_found; } mutex_unlock(&ctx->gang->aff_mutex); } @@ -565,12 +567,14 @@ static struct spu *spu_get_idle(struct spu_context *ctx) mutex_unlock(&cbe_spu_info[node].list_mutex); } + not_found: + spu_context_nospu_trace(spu_get_idle__not_found, ctx); return NULL; found: spu->alloc_state = SPU_USED; mutex_unlock(&cbe_spu_info[node].list_mutex); - pr_debug("Got SPU %d %d\n", spu->number, spu->node); + spu_context_trace(spu_get_idle__found, ctx, spu); spu_init_channels(spu); return spu; } @@ -587,6 +591,8 @@ static struct spu *find_victim(struct spu_context *ctx) struct spu *spu; int node, n; + spu_context_nospu_trace(spu_find_vitim__enter, ctx); + /* * Look for a possible preemption candidate on the local node first. * If there is no candidate look at the other nodes. This isn't @@ -640,6 +646,8 @@ static struct spu *find_victim(struct spu_context *ctx) goto restart; } + spu_context_trace(__spu_deactivate__unload, ctx, spu); + mutex_lock(&cbe_spu_info[node].list_mutex); cbe_spu_info[node].nr_active--; spu_unbind_context(spu, victim); @@ -822,6 +830,7 @@ static int __spu_deactivate(struct spu_context *ctx, int force, int max_prio) */ void spu_deactivate(struct spu_context *ctx) { + spu_context_nospu_trace(spu_deactivate__enter, ctx); __spu_deactivate(ctx, 1, MAX_PRIO); } @@ -835,6 +844,7 @@ void spu_deactivate(struct spu_context *ctx) */ void spu_yield(struct spu_context *ctx) { + spu_context_nospu_trace(spu_yield__enter, ctx); if (!(ctx->flags & SPU_CREATE_NOSCHED)) { mutex_lock(&ctx->state_mutex); __spu_deactivate(ctx, 0, MAX_PRIO); @@ -864,11 +874,15 @@ static noinline void spusched_tick(struct spu_context *ctx) goto out; spu = ctx->spu; + + spu_context_trace(spusched_tick__preempt, ctx, spu); + new = grab_runnable_context(ctx->prio + 1, spu->node); if (new) { spu_unschedule(spu, ctx); spu_add_to_rq(ctx); } else { + spu_context_nospu_trace(spusched_tick__newslice, ctx); ctx->time_slice++; } out: diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 0e11403..795a1b5 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -325,4 +325,9 @@ extern void spu_free_lscsa(struct spu_state *csa); extern void spuctx_switch_state(struct spu_context *ctx, enum spu_utilization_state new_state); +#define spu_context_trace(name, ctx, spu) \ + trace_mark(name, "%p %p", ctx, spu); +#define spu_context_nospu_trace(name, ctx) \ + trace_mark(name, "%p", ctx); + #endif diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c new file mode 100644 index 0000000..2b1953f --- /dev/null +++ b/arch/powerpc/platforms/cell/spufs/sputrace.c @@ -0,0 +1,250 @@ +/* + * Copyright (C) 2007 IBM Deutschland Entwicklung GmbH + * Released under GPL v2. + * + * Partially based on net/ipv4/tcp_probe.c. + * + * Simple tracing facility for spu contexts. + */ +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/marker.h> +#include <linux/proc_fs.h> +#include <linux/wait.h> +#include <asm/atomic.h> +#include <asm/uaccess.h> +#include "spufs.h" + +struct spu_probe { + const char *name; + const char *format; + marker_probe_func *probe_func; +}; + +struct sputrace { + ktime_t tstamp; + int owner_tid; /* owner */ + int curr_tid; + const char *name; + int number; +}; + +static int bufsize __read_mostly = 16384; +MODULE_PARM_DESC(bufsize, "Log buffer size (number of records)"); +module_param(bufsize, int, 0); + + +static DEFINE_SPINLOCK(sputrace_lock); +static DECLARE_WAIT_QUEUE_HEAD(sputrace_wait); +static ktime_t sputrace_start; +static unsigned long sputrace_head, sputrace_tail; +static struct sputrace *sputrace_log; + +static int sputrace_used(void) +{ + return (sputrace_head - sputrace_tail) % bufsize; +} + +static inline int sputrace_avail(void) +{ + return bufsize - sputrace_used(); +} + +static int sputrace_sprint(char *tbuf, int n) +{ + const struct sputrace *t = sputrace_log + sputrace_tail % bufsize; + struct timespec tv = + ktime_to_timespec(ktime_sub(t->tstamp, sputrace_start)); + + return snprintf(tbuf, n, + "[%lu.%09lu] %d: %s (thread = %d, spu = %d)\n", + (unsigned long) tv.tv_sec, + (unsigned long) tv.tv_nsec, + t->owner_tid, + t->name, + t->curr_tid, + t->number); +} + +static ssize_t sputrace_read(struct file *file, char __user *buf, + size_t len, loff_t *ppos) +{ + int error = 0, cnt = 0; + + if (!buf || len < 0) + return -EINVAL; + + while (cnt < len) { + char tbuf[128]; + int width; + + error = wait_event_interruptible(sputrace_wait, + sputrace_used() > 0); + if (error) + break; + + spin_lock(&sputrace_lock); + if (sputrace_head == sputrace_tail) { + spin_unlock(&sputrace_lock); + continue; + } + + width = sputrace_sprint(tbuf, sizeof(tbuf)); + if (width < len) + sputrace_tail = (sputrace_tail + 1) % bufsize; + spin_unlock(&sputrace_lock); + + if (width >= len) + break; + + error = copy_to_user(buf + cnt, tbuf, width); + if (error) + break; + cnt += width; + } + + return cnt == 0 ? error : cnt; +} + +static int sputrace_open(struct inode *inode, struct file *file) +{ + spin_lock(&sputrace_lock); + sputrace_head = sputrace_tail = 0; + sputrace_start = ktime_get(); + spin_unlock(&sputrace_lock); + + return 0; +} + +static const struct file_operations sputrace_fops = { + .owner = THIS_MODULE, + .open = sputrace_open, + .read = sputrace_read, +}; + +static void sputrace_log_item(const char *name, struct spu_context *ctx, + struct spu *spu) +{ + spin_lock(&sputrace_lock); + if (sputrace_avail() > 1) { + struct sputrace *t = sputrace_log + sputrace_head; + + t->tstamp = ktime_get(); + t->owner_tid = ctx->tid; + t->name = name; + t->curr_tid = current->pid; + t->number = spu ? spu->number : -1; + + sputrace_head = (sputrace_head + 1) % bufsize; + } else { + printk(KERN_WARNING + "sputrace: lost samples due to full buffer.\n"); + } + spin_unlock(&sputrace_lock); + + wake_up(&sputrace_wait); +} + +static void spu_context_event(const struct marker *mdata, + void *private, const char *format, ...) +{ + struct spu_probe *p = mdata->private; + va_list ap; + struct spu_context *ctx; + struct spu *spu; + + va_start(ap, format); + ctx = va_arg(ap, struct spu_context *); + spu = va_arg(ap, struct spu *); + + sputrace_log_item(p->name, ctx, spu); + va_end(ap); +} + +static void spu_context_nospu_event(const struct marker *mdata, + void *private, const char *format, ...) +{ + struct spu_probe *p = mdata->private; + va_list ap; + struct spu_context *ctx; + + va_start(ap, format); + ctx = va_arg(ap, struct spu_context *); + + sputrace_log_item(p->name, ctx, NULL); + va_end(ap); +} + +struct spu_probe spu_probes[] = { + { "spu_bind_context__enter", "%p %p", spu_context_event }, + { "spu_unbind_context__enter", "%p %p", spu_context_event }, + { "spu_get_idle__enter", "%p", spu_context_nospu_event }, + { "spu_get_idle__found", "%p %p", spu_context_event }, + { "spu_get_idle__not_found", "%p", spu_context_nospu_event }, + { "spu_find_victim__enter", "%p", spu_context_nospu_event }, + { "spusched_tick__preempt", "%p %p", spu_context_event }, + { "spusched_tick__newslice", "%p", spu_context_nospu_event }, + { "spu_yield__enter", "%p", spu_context_nospu_event }, + { "spu_deactivate__enter", "%p", spu_context_nospu_event }, + { "__spu_deactivate__unload", "%p %p", spu_context_event }, + { "spufs_ps_nopfn__enter", "%p", spu_context_nospu_event }, + { "spufs_ps_nopfn__sleep", "%p", spu_context_nospu_event }, + { "spufs_ps_nopfn__wake", "%p %p", spu_context_event }, + { "spufs_ps_nopfn__insert", "%p %p", spu_context_event }, + { "spu_acquire_saved__enter", "%p", spu_context_nospu_event }, + { "destroy_spu_context__enter", "%p", spu_context_nospu_event }, +}; + +static int __init sputrace_init(void) +{ + struct proc_dir_entry *entry; + int i, error = -ENOMEM; + + sputrace_log = kcalloc(sizeof(struct sputrace), + bufsize, GFP_KERNEL); + if (!sputrace_log) + goto out; + + entry = create_proc_entry("sputrace", S_IRUSR, NULL); + if (!entry) + goto out_free_log; + entry->proc_fops = &sputrace_fops; + + for (i = 0; i < ARRAY_SIZE(spu_probes); i++) { + struct spu_probe *p = &spu_probes[i]; + + error = marker_probe_register(p->name, p->format, + p->probe_func, p); + if (error) + printk(KERN_INFO "Unable to register probe %s\n", + p->name); + + error = marker_arm(p->name); + if (error) + printk(KERN_INFO "Unable to arm probe %s\n", p->name); + } + + return 0; + +out_free_log: + kfree(sputrace_log); +out: + return -ENOMEM; +} + +static void __exit sputrace_exit(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(spu_probes); i++) + marker_probe_unregister(spu_probes[i].name); + + remove_proc_entry("sputrace", NULL); + kfree(sputrace_log); +} + +module_init(sputrace_init); +module_exit(sputrace_exit); + +MODULE_LICENSE("GPL"); diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c index e12e9d2..8864e48 100644 --- a/arch/powerpc/platforms/embedded6xx/storcenter.c +++ b/arch/powerpc/platforms/embedded6xx/storcenter.c @@ -132,33 +132,18 @@ static void __init storcenter_init_IRQ(void) paddr = (phys_addr_t)of_translate_address(dnp, prop); mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET, - 4, 32, " EPIC "); + 16, 32, " OpenPIC "); of_node_put(dnp); BUG_ON(mpic == NULL); - /* PCI IRQs */ /* - * 2.6.12 patch: - * openpic_set_sources(0, 5, OpenPIC_Addr + 0x10200); - * openpic_set_sources(5, 2, OpenPIC_Addr + 0x11120); - * first_irq, num_irqs, __iomem first_ISR - * o_ss: i, src: 0, fdf50200 - * o_ss: i, src: 1, fdf50220 - * o_ss: i, src: 2, fdf50240 - * o_ss: i, src: 3, fdf50260 - * o_ss: i, src: 4, fdf50280 - * o_ss: i, src: 5, fdf51120 - * o_ss: i, src: 6, fdf51140 + * 16 Serial Interrupts followed by 16 Internal Interrupts. + * I2C is the second internal, so it is at 17, 0x11020. */ mpic_assign_isu(mpic, 0, paddr + 0x10200); - mpic_assign_isu(mpic, 1, paddr + 0x10220); - mpic_assign_isu(mpic, 2, paddr + 0x10240); - mpic_assign_isu(mpic, 3, paddr + 0x10260); - mpic_assign_isu(mpic, 4, paddr + 0x10280); - mpic_assign_isu(mpic, 5, paddr + 0x11120); - mpic_assign_isu(mpic, 6, paddr + 0x11140); + mpic_assign_isu(mpic, 1, paddr + 0x11000); mpic_init(mpic); } @@ -178,7 +163,7 @@ static int __init storcenter_probe(void) { unsigned long root = of_get_flat_dt_root(); - return of_flat_dt_is_compatible(root, "storcenter"); + return of_flat_dt_is_compatible(root, "iomega,storcenter"); } define_machine(storcenter){ diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index c4ad54e..1f03248 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -58,7 +58,7 @@ static void pseries_mach_cpu_die(void) { local_irq_disable(); idle_task_exit(); - xics_teardown_cpu(0); + xics_teardown_cpu(); unregister_slb_shadow(hard_smp_processor_id(), __pa(get_slb_shadow())); rtas_stop_self(); /* Should never get here... */ diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index 412a5e7..e9dd5fe 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -54,7 +54,7 @@ void __init setup_kexec_cpu_down_mpic(void) static void pseries_kexec_cpu_down_xics(int crash_shutdown, int secondary) { pseries_kexec_cpu_down(crash_shutdown, secondary); - xics_teardown_cpu(secondary); + xics_kexec_teardown_cpu(secondary); } void __init setup_kexec_cpu_down_xics(void) diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index c02f874..2800fce 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -167,6 +167,7 @@ static int pSeries_reconfig_remove_node(struct device_node *np) if ((child = of_get_next_child(np, NULL))) { of_node_put(child); + of_node_put(parent); return -EBUSY; } diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 8f8dd9c..ca52b58 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -160,6 +160,46 @@ static inline void lpar_qirr_info(int n_cpu , u8 value) /* High level handlers and init code */ +static void xics_update_irq_servers(void) +{ + int i, j; + struct device_node *np; + u32 ilen; + const u32 *ireg, *isize; + u32 hcpuid; + + /* Find the server numbers for the boot cpu. */ + np = of_get_cpu_node(boot_cpuid, NULL); + BUG_ON(!np); + + ireg = of_get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen); + if (!ireg) { + of_node_put(np); + return; + } + + i = ilen / sizeof(int); + hcpuid = get_hard_smp_processor_id(boot_cpuid); + + /* Global interrupt distribution server is specified in the last + * entry of "ibm,ppc-interrupt-gserver#s" property. Get the last + * entry fom this property for current boot cpu id and use it as + * default distribution server + */ + for (j = 0; j < i; j += 2) { + if (ireg[j] == hcpuid) { + default_server = hcpuid; + default_distrib_server = ireg[j+1]; + + isize = of_get_property(np, + "ibm,interrupt-server#-size", NULL); + if (isize) + interrupt_server_size = *isize; + } + } + + of_node_put(np); +} #ifdef CONFIG_SMP static int get_irq_server(unsigned int virq, unsigned int strict_check) @@ -169,6 +209,9 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check) cpumask_t cpumask = irq_desc[virq].affinity; cpumask_t tmp = CPU_MASK_NONE; + if (! cpu_isset(default_server, cpu_online_map)) + xics_update_irq_servers(); + if (!distribute_irqs) return default_server; @@ -658,39 +701,11 @@ static void __init xics_setup_8259_cascade(void) set_irq_chained_handler(cascade, pseries_8259_cascade); } -static struct device_node *cpuid_to_of_node(int cpu) -{ - struct device_node *np; - u32 hcpuid = get_hard_smp_processor_id(cpu); - - for_each_node_by_type(np, "cpu") { - int i, len; - const u32 *intserv; - - intserv = of_get_property(np, "ibm,ppc-interrupt-server#s", - &len); - - if (!intserv) - intserv = of_get_property(np, "reg", &len); - - i = len / sizeof(u32); - - while (i--) - if (intserv[i] == hcpuid) - return np; - } - - return NULL; -} - void __init xics_init_IRQ(void) { - int i, j; struct device_node *np; - u32 ilen, indx = 0; - const u32 *ireg, *isize; + u32 indx = 0; int found = 0; - u32 hcpuid; ppc64_boot_msg(0x20, "XICS Init"); @@ -709,34 +724,7 @@ void __init xics_init_IRQ(void) return; xics_init_host(); - - /* Find the server numbers for the boot cpu. */ - np = cpuid_to_of_node(boot_cpuid); - BUG_ON(!np); - ireg = of_get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen); - if (!ireg) - goto skip_gserver_check; - i = ilen / sizeof(int); - hcpuid = get_hard_smp_processor_id(boot_cpuid); - - /* Global interrupt distribution server is specified in the last - * entry of "ibm,ppc-interrupt-gserver#s" property. Get the last - * entry fom this property for current boot cpu id and use it as - * default distribution server - */ - for (j = 0; j < i; j += 2) { - if (ireg[j] == hcpuid) { - default_server = hcpuid; - default_distrib_server = ireg[j+1]; - - isize = of_get_property(np, - "ibm,interrupt-server#-size", NULL); - if (isize) - interrupt_server_size = *isize; - } - } -skip_gserver_check: - of_node_put(np); + xics_update_irq_servers(); if (firmware_has_feature(FW_FEATURE_LPAR)) ppc_md.get_irq = xics_get_irq_lpar; @@ -775,11 +763,9 @@ void xics_request_IPIs(void) } #endif /* CONFIG_SMP */ -void xics_teardown_cpu(int secondary) +void xics_teardown_cpu() { int cpu = smp_processor_id(); - unsigned int ipi; - struct irq_desc *desc; xics_set_cpu_priority(0); @@ -790,9 +776,17 @@ void xics_teardown_cpu(int secondary) lpar_qirr_info(cpu, 0xff); else direct_qirr_info(cpu, 0xff); +} + +void xics_kexec_teardown_cpu(int secondary) +{ + unsigned int ipi; + struct irq_desc *desc; + + xics_teardown_cpu(); /* - * we need to EOI the IPI if we got here from kexec down IPI + * we need to EOI the IPI * * probably need to check all the other interrupts too * should we be flagging idle loop instead? @@ -880,8 +874,8 @@ void xics_migrate_irqs_away(void) virq, cpu); /* Reset affinity to all cpus */ + irq_desc[virq].affinity = CPU_MASK_ALL; desc->chip->set_affinity(virq, CPU_MASK_ALL); - irq_desc[irq].affinity = CPU_MASK_ALL; unlock: spin_unlock_irqrestore(&desc->lock, flags); } diff --git a/arch/powerpc/platforms/pseries/xics.h b/arch/powerpc/platforms/pseries/xics.h index 9ffd809..c26bcff 100644 --- a/arch/powerpc/platforms/pseries/xics.h +++ b/arch/powerpc/platforms/pseries/xics.h @@ -16,7 +16,8 @@ extern void xics_init_IRQ(void); extern void xics_setup_cpu(void); -extern void xics_teardown_cpu(int secondary); +extern void xics_teardown_cpu(void); +extern void xics_kexec_teardown_cpu(int secondary); extern void xics_cause_IPI(int cpu); extern void xics_request_IPIs(void); extern void xics_migrate_irqs_away(void); diff --git a/arch/powerpc/sysdev/dcr.c b/arch/powerpc/sysdev/dcr.c index 427027c..437e48d 100644 --- a/arch/powerpc/sysdev/dcr.c +++ b/arch/powerpc/sysdev/dcr.c @@ -137,5 +137,6 @@ void dcr_unmap(dcr_host_t host, unsigned int dcr_c) h.token = NULL; } EXPORT_SYMBOL_GPL(dcr_unmap); - -#endif /* !defined(CONFIG_PPC_DCR_NATIVE) */ +#else /* defined(CONFIG_PPC_DCR_NATIVE) */ +DEFINE_SPINLOCK(dcr_ind_lock); +#endif /* !defined(CONFIG_PPC_DCR_NATIVE) */ diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index e48b20e..2c5388c 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -1342,7 +1342,7 @@ static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk, if (ret) goto unreg; - ret = platform_device_register(pdev); + ret = platform_device_add(pdev); if (ret) goto unreg; diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c index 0e74a4b..5d2d552 100644 --- a/arch/powerpc/sysdev/mpc8xx_pic.c +++ b/arch/powerpc/sysdev/mpc8xx_pic.c @@ -174,15 +174,19 @@ int mpc8xx_pic_init(void) goto out; siu_reg = ioremap(res.start, res.end - res.start + 1); - if (siu_reg == NULL) - return -EINVAL; + if (siu_reg == NULL) { + ret = -EINVAL; + goto out; + } - mpc8xx_pic_host = irq_alloc_host(of_node_get(np), IRQ_HOST_MAP_LINEAR, + mpc8xx_pic_host = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, 64, &mpc8xx_pic_host_ops, 64); if (mpc8xx_pic_host == NULL) { printk(KERN_ERR "MPC8xx PIC: failed to allocate irq host!\n"); ret = -ENOMEM; + goto out; } + return 0; out: of_node_put(np); diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index 5ef844d..6efbd5e 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -66,7 +66,7 @@ phys_addr_t get_qe_base(void) { struct device_node *qe; unsigned int size; - const void *prop; + const u32 *prop; if (qebase != -1) return qebase; @@ -79,7 +79,8 @@ phys_addr_t get_qe_base(void) } prop = of_get_property(qe, "reg", &size); - qebase = of_translate_address(qe, prop); + if (prop && size >= sizeof(*prop)) + qebase = of_translate_address(qe, prop); of_node_put(qe); return qebase; @@ -172,10 +173,9 @@ unsigned int get_brg_clk(void) } prop = of_get_property(qe, "brg-frequency", &size); - if (!prop || size != sizeof(*prop)) - return brg_clk; + if (prop && size == sizeof(*prop)) + brg_clk = *prop; - brg_clk = *prop; of_node_put(qe); return brg_clk; diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 29ae165..f9f8779 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -649,21 +649,24 @@ setup_memory(void) /* * Reserve memory used for lowcore/command line/kernel image. */ - reserve_bootmem(0, (unsigned long)_ehead); + reserve_bootmem(0, (unsigned long)_ehead, BOOTMEM_DEFAULT); reserve_bootmem((unsigned long)_stext, - PFN_PHYS(start_pfn) - (unsigned long)_stext); + PFN_PHYS(start_pfn) - (unsigned long)_stext, + BOOTMEM_DEFAULT); /* * Reserve the bootmem bitmap itself as well. We do this in two * steps (first step was init_bootmem()) because this catches * the (very unlikely) case of us accidentally initializing the * bootmem allocator with an invalid RAM area. */ - reserve_bootmem(start_pfn << PAGE_SHIFT, bootmap_size); + reserve_bootmem(start_pfn << PAGE_SHIFT, bootmap_size, + BOOTMEM_DEFAULT); #ifdef CONFIG_BLK_DEV_INITRD if (INITRD_START && INITRD_SIZE) { if (INITRD_START + INITRD_SIZE <= memory_end) { - reserve_bootmem(INITRD_START, INITRD_SIZE); + reserve_bootmem(INITRD_START, INITRD_SIZE, + BOOTMEM_DEFAULT); initrd_start = INITRD_START; initrd_end = initrd_start + INITRD_SIZE; } else { diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 855cdf9..18a5baf 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -140,18 +140,26 @@ static void __init reserve_crashkernel(void) ret = parse_crashkernel(boot_command_line, free_mem, &crash_size, &crash_base); if (ret == 0 && crash_size) { - if (crash_base > 0) { - printk(KERN_INFO "Reserving %ldMB of memory at %ldMB " - "for crashkernel (System RAM: %ldMB)\n", - (unsigned long)(crash_size >> 20), - (unsigned long)(crash_base >> 20), - (unsigned long)(free_mem >> 20)); - crashk_res.start = crash_base; - crashk_res.end = crash_base + crash_size - 1; - reserve_bootmem(crash_base, crash_size); - } else + if (crash_base <= 0) { printk(KERN_INFO "crashkernel reservation failed - " "you have to specify a base address\n"); + return; + } + + if (reserve_bootmem(crash_base, crash_size, + BOOTMEM_EXCLUSIVE) < 0) { + printk(KERN_INFO "crashkernel reservation failed - " + "memory is in use\n"); + return; + } + + printk(KERN_INFO "Reserving %ldMB of memory at %ldMB " + "for crashkernel (System RAM: %ldMB)\n", + (unsigned long)(crash_size >> 20), + (unsigned long)(crash_base >> 20), + (unsigned long)(free_mem >> 20)); + crashk_res.start = crash_base; + crashk_res.end = crash_base + crash_size - 1; } } #else @@ -184,13 +192,14 @@ void __init setup_bootmem_allocator(unsigned long free_pfn) * an invalid RAM area. */ reserve_bootmem(__MEMORY_START+PAGE_SIZE, - (PFN_PHYS(free_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START); + (PFN_PHYS(free_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START, + BOOTMEM_DEFAULT); /* * reserve physical page 0 - it's a special BIOS page on many boxes, * enabling clean reboots, SMP operation, laptop functions. */ - reserve_bootmem(__MEMORY_START, PAGE_SIZE); + reserve_bootmem(__MEMORY_START, PAGE_SIZE, BOOTMEM_DEFAULT); sparse_memory_present_with_active_regions(0); @@ -200,7 +209,7 @@ void __init setup_bootmem_allocator(unsigned long free_pfn) if (LOADER_TYPE && INITRD_START) { if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) { reserve_bootmem(INITRD_START + __MEMORY_START, - INITRD_SIZE); + INITRD_SIZE, BOOTMEM_DEFAULT); initrd_start = INITRD_START + PAGE_OFFSET + __MEMORY_START; initrd_end = initrd_start + INITRD_SIZE; diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c index 8aff065..2de7302 100644 --- a/arch/sh/mm/numa.c +++ b/arch/sh/mm/numa.c @@ -80,9 +80,9 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) /* Reserve the pgdat and bootmap space with the bootmem allocator */ reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT, - sizeof(struct pglist_data)); + sizeof(struct pglist_data), BOOTMEM_DEFAULT); reserve_bootmem_node(NODE_DATA(nid), free_pfn << PAGE_SHIFT, - bootmap_pages << PAGE_SHIFT); + bootmap_pages << PAGE_SHIFT, BOOTMEM_DEFAULT); /* It's up */ node_set_online(nid); diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c index a1bef07..b89837a 100644 --- a/arch/sparc/mm/init.c +++ b/arch/sparc/mm/init.c @@ -259,7 +259,7 @@ unsigned long __init bootmem_init(unsigned long *pages_avail) if (initrd_start) { /* Reserve the initrd image area. */ size = initrd_end - initrd_start; - reserve_bootmem(initrd_start, size); + reserve_bootmem(initrd_start, size, BOOTMEM_DEFAULT); *pages_avail -= PAGE_ALIGN(size) >> PAGE_SHIFT; initrd_start = (initrd_start - phys_base) + PAGE_OFFSET; @@ -268,7 +268,7 @@ unsigned long __init bootmem_init(unsigned long *pages_avail) #endif /* Reserve the kernel text/data/bss. */ size = (start_pfn << PAGE_SHIFT) - phys_base; - reserve_bootmem(phys_base, size); + reserve_bootmem(phys_base, size, BOOTMEM_DEFAULT); *pages_avail -= PAGE_ALIGN(size) >> PAGE_SHIFT; /* Reserve the bootmem map. We do not account for it @@ -276,7 +276,7 @@ unsigned long __init bootmem_init(unsigned long *pages_avail) * in free_all_bootmem. */ size = bootmap_size; - reserve_bootmem((bootmap_pfn << PAGE_SHIFT), size); + reserve_bootmem((bootmap_pfn << PAGE_SHIFT), size, BOOTMEM_DEFAULT); *pages_avail -= PAGE_ALIGN(size) >> PAGE_SHIFT; return max_pfn; diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 523e993..e726c45 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -997,7 +997,7 @@ static unsigned long __init bootmem_init(unsigned long *pages_avail, prom_printf("reserve_bootmem(initrd): base[%llx] size[%lx]\n", initrd_start, initrd_end); #endif - reserve_bootmem(initrd_start, size); + reserve_bootmem(initrd_start, size, BOOTMEM_DEFAULT); initrd_start += PAGE_OFFSET; initrd_end += PAGE_OFFSET; @@ -1007,7 +1007,7 @@ static unsigned long __init bootmem_init(unsigned long *pages_avail, #ifdef CONFIG_DEBUG_BOOTMEM prom_printf("reserve_bootmem(kernel): base[%lx] size[%lx]\n", kern_base, kern_size); #endif - reserve_bootmem(kern_base, kern_size); + reserve_bootmem(kern_base, kern_size, BOOTMEM_DEFAULT); *pages_avail -= PAGE_ALIGN(kern_size) >> PAGE_SHIFT; /* Add back in the initmem pages. */ @@ -1024,7 +1024,7 @@ static unsigned long __init bootmem_init(unsigned long *pages_avail, prom_printf("reserve_bootmem(bootmap): base[%lx] size[%lx]\n", (bootmap_pfn << PAGE_SHIFT), size); #endif - reserve_bootmem((bootmap_pfn << PAGE_SHIFT), size); + reserve_bootmem((bootmap_pfn << PAGE_SHIFT), size, BOOTMEM_DEFAULT); for (i = 0; i < pavail_ents; i++) { unsigned long start_pfn, end_pfn; @@ -1489,7 +1489,7 @@ static void __init taint_real_pages(void) goto do_next_page; } } - reserve_bootmem(old_start, PAGE_SIZE); + reserve_bootmem(old_start, PAGE_SIZE, BOOTMEM_DEFAULT); do_next_page: old_start += PAGE_SIZE; diff --git a/arch/v850/kernel/anna.c b/arch/v850/kernel/anna.c index 0e42904..5978a25 100644 --- a/arch/v850/kernel/anna.c +++ b/arch/v850/kernel/anna.c @@ -85,7 +85,8 @@ void __init mach_reserve_bootmem () /* The space between SRAM and SDRAM is filled with duplicate images of SRAM. Prevent the kernel from using them. */ reserve_bootmem (SRAM_ADDR + SRAM_SIZE, - SDRAM_ADDR - (SRAM_ADDR + SRAM_SIZE)); + SDRAM_ADDR - (SRAM_ADDR + SRAM_SIZE), + BOOTMEM_DEFAULT); } void mach_gettimeofday (struct timespec *tv) diff --git a/arch/v850/kernel/as85ep1.c b/arch/v850/kernel/as85ep1.c index 18437bc..b525ecf 100644 --- a/arch/v850/kernel/as85ep1.c +++ b/arch/v850/kernel/as85ep1.c @@ -116,7 +116,8 @@ void __init mach_reserve_bootmem () if (SDRAM_ADDR < RAM_END && SDRAM_ADDR > RAM_START) /* We can't use the space between SRAM and SDRAM, so prevent the kernel from trying. */ - reserve_bootmem (SRAM_END, SDRAM_ADDR - SRAM_END); + reserve_bootmem(SRAM_END, SDRAM_ADDR - SRAM_END, + BOOTMEM_DEFAULT); } void mach_gettimeofday (struct timespec *tv) diff --git a/arch/v850/kernel/rte_ma1_cb.c b/arch/v850/kernel/rte_ma1_cb.c index 9a716f9..08abf3d 100644 --- a/arch/v850/kernel/rte_ma1_cb.c +++ b/arch/v850/kernel/rte_ma1_cb.c @@ -46,13 +46,15 @@ void __init mach_reserve_bootmem () { #ifdef CONFIG_RTE_CB_MULTI /* Prevent the kernel from touching the monitor's scratch RAM. */ - reserve_bootmem (MON_SCRATCH_ADDR, MON_SCRATCH_SIZE); + reserve_bootmem(MON_SCRATCH_ADDR, MON_SCRATCH_SIZE, + BOOTMEM_DEFAULT); #endif /* The space between SRAM and SDRAM is filled with duplicate images of SRAM. Prevent the kernel from using them. */ reserve_bootmem (SRAM_ADDR + SRAM_SIZE, - SDRAM_ADDR - (SRAM_ADDR + SRAM_SIZE)); + SDRAM_ADDR - (SRAM_ADDR + SRAM_SIZE), + BOOTMEM_DEFAULT); } void mach_gettimeofday (struct timespec *tv) diff --git a/arch/v850/kernel/setup.c b/arch/v850/kernel/setup.c index a914f24..a0a8456 100644 --- a/arch/v850/kernel/setup.c +++ b/arch/v850/kernel/setup.c @@ -241,15 +241,18 @@ init_bootmem_alloc (unsigned long ram_start, unsigned long ram_len) if (kram_end > kram_start) /* Reserve the RAM part of the kernel's address space, so it doesn't get allocated. */ - reserve_bootmem (kram_start, kram_end - kram_start); + reserve_bootmem(kram_start, kram_end - kram_start, + BOOTMEM_DEFAULT); if (intv_in_ram && !intv_in_kram) /* Reserve the interrupt vector space. */ - reserve_bootmem (intv_start, intv_end - intv_start); + reserve_bootmem(intv_start, intv_end - intv_start, + BOOTMEM_DEFAULT); if (bootmap >= ram_start && bootmap < ram_end) /* Reserve the bootmap space. */ - reserve_bootmem (bootmap, bootmap_len); + reserve_bootmem(bootmap, bootmap_len, + BOOTMEM_DEFAULT); /* Reserve the memory used by the root filesystem image if it's in RAM. */ @@ -257,7 +260,8 @@ init_bootmem_alloc (unsigned long ram_start, unsigned long ram_len) && (unsigned long)&_root_fs_image_start >= ram_start && (unsigned long)&_root_fs_image_start < ram_end) reserve_bootmem ((unsigned long)&_root_fs_image_start, - &_root_fs_image_end - &_root_fs_image_start); + &_root_fs_image_end - &_root_fs_image_start, + BOOTMEM_DEFAULT); /* Let the platform-dependent code reserve some too. */ if (mrb) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index e6728bd..923c3ba 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -631,7 +631,6 @@ config TOSHIBA config I8K tristate "Dell laptop support" - depends on X86_32 ---help--- This adds a driver to safely access the System Management Mode of the CPU on the Dell Inspiron 8000. The System Management Mode diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c index e4c1207..58cccb6 100644 --- a/arch/x86/ia32/ia32_aout.c +++ b/arch/x86/ia32/ia32_aout.c @@ -172,8 +172,7 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, has_dumped = 1; current->flags |= PF_DUMPCORE; strncpy(dump.u_comm, current->comm, sizeof(current->comm)); - dump.u_ar0 = (u32)(((unsigned long)(&dump.regs)) - - ((unsigned long)(&dump))); + dump.u_ar0 = offsetof(struct user32, regs); dump.signal = signr; dump_thread32(regs, &dump); diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c index c1cfd60..d0b234c 100644 --- a/arch/x86/kernel/machine_kexec_32.c +++ b/arch/x86/kernel/machine_kexec_32.c @@ -151,7 +151,7 @@ NORET_TYPE void machine_kexec(struct kimage *image) void arch_crash_save_vmcoreinfo(void) { -#ifdef CONFIG_ARCH_DISCONTIGMEM_ENABLE +#ifdef CONFIG_NUMA VMCOREINFO_SYMBOL(node_data); VMCOREINFO_LENGTH(node_data, MAX_NUMNODES); #endif diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index a1fef42..236d2f8 100644 --- a/arch/x86/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c @@ -234,5 +234,10 @@ NORET_TYPE void machine_kexec(struct kimage *image) void arch_crash_save_vmcoreinfo(void) { VMCOREINFO_SYMBOL(init_level4_pgt); + +#ifdef CONFIG_NUMA + VMCOREINFO_SYMBOL(node_data); + VMCOREINFO_LENGTH(node_data, MAX_NUMNODES); +#endif } diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c index 67009cd..f349e68 100644 --- a/arch/x86/kernel/mpparse_32.c +++ b/arch/x86/kernel/mpparse_32.c @@ -736,7 +736,8 @@ static int __init smp_scan_config (unsigned long base, unsigned long length) smp_found_config = 1; printk(KERN_INFO "found SMP MP-table at [%p] %08lx\n", mpf, virt_to_phys(mpf)); - reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE); + reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE, + BOOTMEM_DEFAULT); if (mpf->mpf_physptr) { /* * We cannot access to MPC table to compute @@ -751,7 +752,8 @@ static int __init smp_scan_config (unsigned long base, unsigned long length) unsigned long end = max_low_pfn * PAGE_SIZE; if (mpf->mpf_physptr + size > end) size = end - mpf->mpf_physptr; - reserve_bootmem(mpf->mpf_physptr, size); + reserve_bootmem(mpf->mpf_physptr, size, + BOOTMEM_DEFAULT); } mpf_found = mpf; diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index 62adc5f..d1d8c34 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -390,7 +390,7 @@ static void __init reserve_ebda_region(void) unsigned int addr; addr = get_bios_ebda(); if (addr) - reserve_bootmem(addr, PAGE_SIZE); + reserve_bootmem(addr, PAGE_SIZE, BOOTMEM_DEFAULT); } #ifndef CONFIG_NEED_MULTIPLE_NODES @@ -484,7 +484,8 @@ static void __init reserve_crashkernel(void) (unsigned long)(total_mem >> 20)); crashk_res.start = crash_base; crashk_res.end = crash_base + crash_size - 1; - reserve_bootmem(crash_base, crash_size); + reserve_bootmem(crash_base, crash_size, + BOOTMEM_DEFAULT); } else printk(KERN_INFO "crashkernel reservation failed - " "you have to specify a base address\n"); @@ -525,7 +526,7 @@ static void __init reserve_initrd(void) } if (ramdisk_end <= end_of_lowmem) { /* All in lowmem, easy case */ - reserve_bootmem(ramdisk_image, ramdisk_size); + reserve_bootmem(ramdisk_image, ramdisk_size, BOOTMEM_DEFAULT); initrd_start = ramdisk_image + PAGE_OFFSET; initrd_end = initrd_start+ramdisk_size; return; @@ -536,7 +537,7 @@ static void __init reserve_initrd(void) /* Note: this includes all the lowmem currently occupied by the initrd, we rely on that fact to keep the data intact. */ - reserve_bootmem(ramdisk_here, ramdisk_size); + reserve_bootmem(ramdisk_here, ramdisk_size, BOOTMEM_DEFAULT); initrd_start = ramdisk_here + PAGE_OFFSET; initrd_end = initrd_start + ramdisk_size; @@ -606,13 +607,14 @@ void __init setup_bootmem_allocator(void) * bootmem allocator with an invalid RAM area. */ reserve_bootmem(__pa_symbol(_text), (PFN_PHYS(min_low_pfn) + - bootmap_size + PAGE_SIZE-1) - __pa_symbol(_text)); + bootmap_size + PAGE_SIZE-1) - __pa_symbol(_text), + BOOTMEM_DEFAULT); /* * reserve physical page 0 - it's a special BIOS page on many boxes, * enabling clean reboots, SMP operation, laptop functions. */ - reserve_bootmem(0, PAGE_SIZE); + reserve_bootmem(0, PAGE_SIZE, BOOTMEM_DEFAULT); /* reserve EBDA region, it's a 4K region */ reserve_ebda_region(); @@ -622,7 +624,7 @@ void __init setup_bootmem_allocator(void) unless you have no PS/2 mouse plugged in. */ if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD && boot_cpu_data.x86 == 6) - reserve_bootmem(0xa0000 - 4096, 4096); + reserve_bootmem(0xa0000 - 4096, 4096, BOOTMEM_DEFAULT); #ifdef CONFIG_SMP /* @@ -630,7 +632,7 @@ void __init setup_bootmem_allocator(void) * FIXME: Don't need the extra page at 4K, but need to fix * trampoline before removing it. (see the GDT stuff) */ - reserve_bootmem(PAGE_SIZE, PAGE_SIZE); + reserve_bootmem(PAGE_SIZE, PAGE_SIZE, BOOTMEM_DEFAULT); #endif #ifdef CONFIG_ACPI_SLEEP /* diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index c8939df..a49f5f7 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -189,7 +189,7 @@ contig_initmem_init(unsigned long start_pfn, unsigned long end_pfn) bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn); e820_register_active_regions(0, start_pfn, end_pfn); free_bootmem_with_active_regions(0, end_pfn); - reserve_bootmem(bootmap, bootmap_size); + reserve_bootmem(bootmap, bootmap_size, BOOTMEM_DEFAULT); } #endif @@ -220,28 +220,35 @@ static inline void copy_edd(void) #ifdef CONFIG_KEXEC static void __init reserve_crashkernel(void) { - unsigned long long free_mem; + unsigned long long total_mem; unsigned long long crash_size, crash_base; int ret; - free_mem = - ((unsigned long long)max_low_pfn - min_low_pfn) << PAGE_SHIFT; + total_mem = ((unsigned long long)max_low_pfn - min_low_pfn) << PAGE_SHIFT; - ret = parse_crashkernel(boot_command_line, free_mem, + ret = parse_crashkernel(boot_command_line, total_mem, &crash_size, &crash_base); if (ret == 0 && crash_size) { - if (crash_base > 0) { - printk(KERN_INFO "Reserving %ldMB of memory at %ldMB " - "for crashkernel (System RAM: %ldMB)\n", - (unsigned long)(crash_size >> 20), - (unsigned long)(crash_base >> 20), - (unsigned long)(free_mem >> 20)); - crashk_res.start = crash_base; - crashk_res.end = crash_base + crash_size - 1; - reserve_bootmem(crash_base, crash_size); - } else + if (crash_base <= 0) { printk(KERN_INFO "crashkernel reservation failed - " "you have to specify a base address\n"); + return; + } + + if (reserve_bootmem(crash_base, crash_size, + BOOTMEM_EXCLUSIVE) < 0) { + printk(KERN_INFO "crashkernel reservation failed - " + "memory is in use\n"); + return; + } + + printk(KERN_INFO "Reserving %ldMB of memory at %ldMB " + "for crashkernel (System RAM: %ldMB)\n", + (unsigned long)(crash_size >> 20), + (unsigned long)(crash_base >> 20), + (unsigned long)(total_mem >> 20)); + crashk_res.start = crash_base; + crashk_res.end = crash_base + crash_size - 1; } } #else diff --git a/arch/x86/mm/discontig_32.c b/arch/x86/mm/discontig_32.c index 04b1d20..c394ca0 100644 --- a/arch/x86/mm/discontig_32.c +++ b/arch/x86/mm/discontig_32.c @@ -391,7 +391,8 @@ unsigned long __init setup_memory(void) void __init numa_kva_reserve(void) { if (kva_pages) - reserve_bootmem(PFN_PHYS(kva_start_pfn), PFN_PHYS(kva_pages)); + reserve_bootmem(PFN_PHYS(kva_start_pfn), PFN_PHYS(kva_pages), + BOOTMEM_DEFAULT); } void __init zone_sizes_init(void) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 9b61c75..5fe880f 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -644,9 +644,9 @@ void __init reserve_bootmem_generic(unsigned long phys, unsigned len) /* Should check here against the e820 map to avoid double free */ #ifdef CONFIG_NUMA - reserve_bootmem_node(NODE_DATA(nid), phys, len); + reserve_bootmem_node(NODE_DATA(nid), phys, len, BOOTMEM_DEFAULT); #else - reserve_bootmem(phys, len); + reserve_bootmem(phys, len, BOOTMEM_DEFAULT); #endif if (phys+len <= MAX_DMA_PFN*PAGE_SIZE) { dma_reserve += len / PAGE_SIZE; diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index 5a02bf4..1aecc65 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -238,9 +238,10 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, free_bootmem_with_active_regions(nodeid, end); - reserve_bootmem_node(NODE_DATA(nodeid), nodedata_phys, pgdat_size); + reserve_bootmem_node(NODE_DATA(nodeid), nodedata_phys, pgdat_size, + BOOTMEM_DEFAULT); reserve_bootmem_node(NODE_DATA(nodeid), bootmap_start, - bootmap_pages<<PAGE_SHIFT); + bootmap_pages<<PAGE_SHIFT, BOOTMEM_DEFAULT); #ifdef CONFIG_ACPI_NUMA srat_reserve_add_area(nodeid); #endif diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c index 65416f8..ecd91ea 100644 --- a/arch/x86/mm/srat_64.c +++ b/arch/x86/mm/srat_64.c @@ -488,7 +488,8 @@ void __init srat_reserve_add_area(int nodeid) printk(KERN_INFO "SRAT: This will cost you %Lu MB of " "pre-allocated memory.\n", (unsigned long long)total_mb); reserve_bootmem_node(NODE_DATA(nodeid), nodes_add[nodeid].start, - nodes_add[nodeid].end - nodes_add[nodeid].start); + nodes_add[nodeid].end - nodes_add[nodeid].start, + BOOTMEM_DEFAULT); } } |