diff options
Diffstat (limited to 'arch/m32r')
-rw-r--r-- | arch/m32r/include/asm/io.h | 7 | ||||
-rw-r--r-- | arch/m32r/include/asm/page.h | 4 | ||||
-rw-r--r-- | arch/m32r/include/asm/processor.h | 2 | ||||
-rw-r--r-- | arch/m32r/include/asm/socket.h | 2 | ||||
-rw-r--r-- | arch/m32r/include/asm/thread_info.h | 15 | ||||
-rw-r--r-- | arch/m32r/kernel/entry.S | 7 | ||||
-rw-r--r-- | arch/m32r/kernel/head.S | 4 | ||||
-rw-r--r-- | arch/m32r/kernel/m32r_ksyms.c | 6 | ||||
-rw-r--r-- | arch/m32r/kernel/time.c | 9 | ||||
-rw-r--r-- | arch/m32r/kernel/traps.c | 4 | ||||
-rw-r--r-- | arch/m32r/kernel/vmlinux.lds.S | 78 | ||||
-rw-r--r-- | arch/m32r/lib/delay.c | 4 | ||||
-rw-r--r-- | arch/m32r/mm/discontig.c | 5 | ||||
-rw-r--r-- | arch/m32r/mm/mmu.S | 12 |
14 files changed, 59 insertions, 100 deletions
diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h index d06933b..4010f1f 100644 --- a/arch/m32r/include/asm/io.h +++ b/arch/m32r/include/asm/io.h @@ -162,6 +162,13 @@ static inline void _writel(unsigned long l, unsigned long addr) #define __raw_writew writew #define __raw_writel writel +#define ioread8 read +#define ioread16 readw +#define ioread32 readl +#define iowrite8 writeb +#define iowrite16 writew +#define iowrite32 writel + #define mmiowb() #define flush_write_buffers() do { } while (0) /* M32R_FIXME */ diff --git a/arch/m32r/include/asm/page.h b/arch/m32r/include/asm/page.h index 11777f7..725ede8 100644 --- a/arch/m32r/include/asm/page.h +++ b/arch/m32r/include/asm/page.h @@ -1,9 +1,11 @@ #ifndef _ASM_M32R_PAGE_H #define _ASM_M32R_PAGE_H +#include <linux/const.h> + /* PAGE_SHIFT determines the page size */ #define PAGE_SHIFT 12 -#define PAGE_SIZE (1UL << PAGE_SHIFT) +#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) #ifndef __ASSEMBLY__ diff --git a/arch/m32r/include/asm/processor.h b/arch/m32r/include/asm/processor.h index 1a997fc..8397c24 100644 --- a/arch/m32r/include/asm/processor.h +++ b/arch/m32r/include/asm/processor.h @@ -140,8 +140,6 @@ unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) ((tsk)->thread.lr) #define KSTK_ESP(tsk) ((tsk)->thread.sp) -#define THREAD_SIZE (2*PAGE_SIZE) - #define cpu_relax() barrier() #endif /* _ASM_M32R_PROCESSOR_H */ diff --git a/arch/m32r/include/asm/socket.h b/arch/m32r/include/asm/socket.h index 3390a86..469787c3 100644 --- a/arch/m32r/include/asm/socket.h +++ b/arch/m32r/include/asm/socket.h @@ -60,4 +60,6 @@ #define SO_PROTOCOL 38 #define SO_DOMAIN 39 +#define SO_RXQ_OVFL 40 + #endif /* _ASM_M32R_SOCKET_H */ diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h index 7157815..ed240b6 100644 --- a/arch/m32r/include/asm/thread_info.h +++ b/arch/m32r/include/asm/thread_info.h @@ -55,6 +55,8 @@ struct thread_info { #define PREEMPT_ACTIVE 0x10000000 +#define THREAD_SIZE (PAGE_SIZE << 1) + /* * macros/functions for gaining access to the thread information structure */ @@ -76,8 +78,6 @@ struct thread_info { #define init_thread_info (init_thread_union.thread_info) #define init_stack (init_thread_union.stack) -#define THREAD_SIZE (2*PAGE_SIZE) - /* how to get the thread information struct from C */ static inline struct thread_info *current_thread_info(void) { @@ -125,17 +125,6 @@ static inline unsigned int get_thread_fault_code(void) return ti->flags >> TI_FLAG_FAULT_CODE_SHIFT; } -#else /* !__ASSEMBLY__ */ - -#define THREAD_SIZE 8192 - -/* how to get the thread information struct from ASM */ -#define GET_THREAD_INFO(reg) GET_THREAD_INFO reg - .macro GET_THREAD_INFO reg - ldi \reg, #-THREAD_SIZE - and \reg, sp - .endm - #endif /* diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index 612d35b..4038698 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -118,6 +118,13 @@ #define resume_kernel restore_all #endif +/* how to get the thread information struct from ASM */ +#define GET_THREAD_INFO(reg) GET_THREAD_INFO reg + .macro GET_THREAD_INFO reg + ldi \reg, #-THREAD_SIZE + and \reg, sp + .endm + ENTRY(ret_from_fork) pop r0 bl schedule_tail diff --git a/arch/m32r/kernel/head.S b/arch/m32r/kernel/head.S index 0a71944..a46652d 100644 --- a/arch/m32r/kernel/head.S +++ b/arch/m32r/kernel/head.S @@ -268,13 +268,13 @@ ENTRY(empty_zero_page) /*------------------------------------------------------------------------ * Stack area */ - .section .spi + .section .init.data, "aw" ALIGN .global spi_stack_top .zero 1024 spi_stack_top: - .section .spu + .section .init.data, "aw" ALIGN .global spu_stack_top .zero 1024 diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c index 22624b5..7005707 100644 --- a/arch/m32r/kernel/m32r_ksyms.c +++ b/arch/m32r/kernel/m32r_ksyms.c @@ -23,12 +23,6 @@ EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(iounmap); EXPORT_SYMBOL(kernel_thread); -/* Networking helper routines. */ -/* Delay loops */ -EXPORT_SYMBOL(__udelay); -EXPORT_SYMBOL(__delay); -EXPORT_SYMBOL(__const_udelay); - EXPORT_SYMBOL(strncpy_from_user); EXPORT_SYMBOL(__strncpy_from_user); EXPORT_SYMBOL(clear_user); diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index ba61c4c..e7fee0f1 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -33,6 +33,15 @@ #include <asm/hw_irq.h> +#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) +/* this needs a better home */ +DEFINE_SPINLOCK(rtc_lock); + +#ifdef CONFIG_RTC_DRV_CMOS_MODULE +EXPORT_SYMBOL(rtc_lock); +#endif +#endif /* pc-style 'CMOS' RTC support */ + #ifdef CONFIG_SMP extern void smp_local_timer_interrupt(void); #endif diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c index 03b14e5..fbd1090 100644 --- a/arch/m32r/kernel/traps.c +++ b/arch/m32r/kernel/traps.c @@ -104,8 +104,8 @@ static void set_eit_vector_entries(void) eit_vector[186] = (unsigned long)smp_call_function_interrupt; eit_vector[187] = (unsigned long)smp_ipi_timer_interrupt; eit_vector[188] = (unsigned long)smp_flush_cache_all_interrupt; - eit_vector[189] = (unsigned long)smp_call_function_single_interrupt; - eit_vector[190] = 0; + eit_vector[189] = 0; /* CPU_BOOT_IPI */ + eit_vector[190] = (unsigned long)smp_call_function_single_interrupt; eit_vector[191] = 0; #endif _flush_cache_copyback_all(); diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S index de5e21c..8ceb618 100644 --- a/arch/m32r/kernel/vmlinux.lds.S +++ b/arch/m32r/kernel/vmlinux.lds.S @@ -4,6 +4,7 @@ #include <asm-generic/vmlinux.lds.h> #include <asm/addrspace.h> #include <asm/page.h> +#include <asm/thread_info.h> OUTPUT_ARCH(m32r) #if defined(__LITTLE_ENDIAN__) @@ -40,83 +41,22 @@ SECTIONS #endif _etext = .; /* End of text section */ - . = ALIGN(16); /* Exception table */ - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; - + EXCEPTION_TABLE(16) RODATA - - /* writeable */ - .data : { /* Data */ - *(.spu) - *(.spi) - DATA_DATA - CONSTRUCTORS - } - - . = ALIGN(4096); - __nosave_begin = .; - .data_nosave : { *(.data.nosave) } - . = ALIGN(4096); - __nosave_end = .; - - . = ALIGN(32); - .data.cacheline_aligned : { *(.data.cacheline_aligned) } - + RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) _edata = .; /* End of data section */ - . = ALIGN(8192); /* init_task */ - .data.init_task : { *(.data.init_task) } - /* will be freed after init */ - . = ALIGN(4096); /* Init code and data */ + . = ALIGN(PAGE_SIZE); /* Init code and data */ __init_begin = .; - .init.text : { - _sinittext = .; - INIT_TEXT - _einittext = .; - } - .init.data : { INIT_DATA } - . = ALIGN(16); - __setup_start = .; - .init.setup : { *(.init.setup) } - __setup_end = .; - __initcall_start = .; - .initcall.init : { - INITCALLS - } - __initcall_end = .; - __con_initcall_start = .; - .con_initcall.init : { *(.con_initcall.init) } - __con_initcall_end = .; - SECURITY_INIT - . = ALIGN(4); - __alt_instructions = .; - .altinstructions : { *(.altinstructions) } - __alt_instructions_end = .; - .altinstr_replacement : { *(.altinstr_replacement) } - /* .exit.text is discard at runtime, not link time, to deal with references - from .altinstructions and .eh_frame */ - .exit.text : { EXIT_TEXT } - .exit.data : { EXIT_DATA } - -#ifdef CONFIG_BLK_DEV_INITRD - . = ALIGN(4096); - __initramfs_start = .; - .init.ramfs : { *(.init.ramfs) } - __initramfs_end = .; -#endif - - PERCPU(4096) - . = ALIGN(4096); + INIT_TEXT_SECTION(PAGE_SIZE) + INIT_DATA_SECTION(16) + PERCPU(PAGE_SIZE) + . = ALIGN(PAGE_SIZE); __init_end = .; /* freed after init ends here */ - __bss_start = .; /* BSS */ - .bss : { *(.bss) } - . = ALIGN(4); - __bss_stop = .; + BSS_SECTION(0, 0, 4) _end = . ; diff --git a/arch/m32r/lib/delay.c b/arch/m32r/lib/delay.c index ced549b..940f483 100644 --- a/arch/m32r/lib/delay.c +++ b/arch/m32r/lib/delay.c @@ -122,4 +122,8 @@ void __ndelay(unsigned long nsecs) { __const_udelay(nsecs * 0x00005); /* 2**32 / 1000000000 (rounded up) */ } + +EXPORT_SYMBOL(__delay); +EXPORT_SYMBOL(__const_udelay); +EXPORT_SYMBOL(__udelay); EXPORT_SYMBOL(__ndelay); diff --git a/arch/m32r/mm/discontig.c b/arch/m32r/mm/discontig.c index b7a78ad..5d2858f 100644 --- a/arch/m32r/mm/discontig.c +++ b/arch/m32r/mm/discontig.c @@ -32,6 +32,9 @@ typedef struct { } mem_prof_t; static mem_prof_t mem_prof[MAX_NUMNODES]; +extern unsigned long memory_start; +extern unsigned long memory_end; + static void __init mem_prof_init(void) { unsigned long start_pfn, holes, free_pfn; @@ -42,7 +45,7 @@ static void __init mem_prof_init(void) /* Node#0 SDRAM */ mp = &mem_prof[0]; mp->start_pfn = PFN_UP(CONFIG_MEMORY_START); - mp->pages = PFN_DOWN(CONFIG_MEMORY_SIZE); + mp->pages = PFN_DOWN(memory_end - memory_start); mp->holes = 0; mp->free_pfn = PFN_UP(__pa(_end)); diff --git a/arch/m32r/mm/mmu.S b/arch/m32r/mm/mmu.S index 49a6d16..e9491a5 100644 --- a/arch/m32r/mm/mmu.S +++ b/arch/m32r/mm/mmu.S @@ -150,9 +150,13 @@ ENTRY(tme_handler) ; pmd = pmd_offset(pgd, address); ld r3, @r3 ; r3: pmd data - ldi r2, #-4096 beqz r3, 3f ; pmd_none(*pmd) ? + and3 r2, r3, #0xfff + add3 r2, r2, #-355 ; _KERNPG_TABLE(=0x163) + bnez r2, 3f ; pmd_bad(*pmd) ? + ldi r2, #-4096 + ; pte = pte_offset(pmd, address); and r2, r3 ; r2: pte base addr srl3 r3, r0, #10 @@ -263,9 +267,9 @@ ENTRY(tme_handler) ld r1, @r3 ; r1: pmd beqz r1, 3f ; pmd_none(*pmd) ? ; - and3 r1, r1, #0xeff - ldi r4, #611 ; _KERNPG_TABLE(=611) - bne r1, r4, 3f ; !pmd_bad(*pmd) ? + and3 r1, r1, #0x3ff + ldi r4, #0x163 ; _KERNPG_TABLE(=0x163) + bne r1, r4, 3f ; pmd_bad(*pmd) ? .fillinsn 4: |