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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 19:54:53 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 20:01:40 (GMT) |
commit | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch) | |
tree | 3c2086ab67398a019089a47ca3f362a4bc6db74f /arch/m68k/include/asm/processor_mm.h | |
parent | 34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff) | |
parent | 9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff) | |
download | linux-fsl-qoriq-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.tar.xz |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/m68k/include/asm/processor_mm.h')
-rw-r--r-- | arch/m68k/include/asm/processor_mm.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/arch/m68k/include/asm/processor_mm.h b/arch/m68k/include/asm/processor_mm.h deleted file mode 100644 index 1f61ef5..0000000 --- a/arch/m68k/include/asm/processor_mm.h +++ /dev/null @@ -1,130 +0,0 @@ -/* - * include/asm-m68k/processor.h - * - * Copyright (C) 1995 Hamish Macdonald - */ - -#ifndef __ASM_M68K_PROCESSOR_H -#define __ASM_M68K_PROCESSOR_H - -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr() ({ __label__ _l; _l: &&_l;}) - -#include <linux/thread_info.h> -#include <asm/segment.h> -#include <asm/fpu.h> -#include <asm/ptrace.h> - -static inline unsigned long rdusp(void) -{ - unsigned long usp; - - __asm__ __volatile__("move %/usp,%0" : "=a" (usp)); - return usp; -} - -static inline void wrusp(unsigned long usp) -{ - __asm__ __volatile__("move %0,%/usp" : : "a" (usp)); -} - -/* - * User space process size: 3.75GB. This is hardcoded into a few places, - * so don't change it unless you know what you are doing. - */ -#ifndef CONFIG_SUN3 -#define TASK_SIZE (0xF0000000UL) -#else -#define TASK_SIZE (0x0E000000UL) -#endif - -#ifdef __KERNEL__ -#define STACK_TOP TASK_SIZE -#define STACK_TOP_MAX STACK_TOP -#endif - -/* This decides where the kernel will search for a free chunk of vm - * space during mmap's. - */ -#ifndef CONFIG_SUN3 -#define TASK_UNMAPPED_BASE 0xC0000000UL -#else -#define TASK_UNMAPPED_BASE 0x0A000000UL -#endif -#define TASK_UNMAPPED_ALIGN(addr, off) PAGE_ALIGN(addr) - -struct thread_struct { - unsigned long ksp; /* kernel stack pointer */ - unsigned long usp; /* user stack pointer */ - unsigned short sr; /* saved status register */ - unsigned short fs; /* saved fs (sfc, dfc) */ - unsigned long crp[2]; /* cpu root pointer */ - unsigned long esp0; /* points to SR of stack frame */ - unsigned long faddr; /* info about last fault */ - int signo, code; - unsigned long fp[8*3]; - unsigned long fpcntl[3]; /* fp control regs */ - unsigned char fpstate[FPSTATESIZE]; /* floating point state */ - struct thread_info info; -}; - -#define INIT_THREAD { \ - .ksp = sizeof(init_stack) + (unsigned long) init_stack, \ - .sr = PS_S, \ - .fs = __KERNEL_DS, \ - .info = INIT_THREAD_INFO(init_task), \ -} - -/* - * Do necessary setup to start up a newly executed thread. - */ -static inline void start_thread(struct pt_regs * regs, unsigned long pc, - unsigned long usp) -{ - /* reads from user space */ - set_fs(USER_DS); - - regs->pc = pc; - regs->sr &= ~0x2000; - wrusp(usp); -} - -/* Forward declaration, a strange C thing */ -struct task_struct; - -/* Free all resources held by a thread. */ -static inline void release_thread(struct task_struct *dead_task) -{ -} - -/* Prepare to copy thread state - unlazy all lazy status */ -#define prepare_to_copy(tsk) do { } while (0) - -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - -/* - * Free current thread data structures etc.. - */ -static inline void exit_thread(void) -{ -} - -extern unsigned long thread_saved_pc(struct task_struct *tsk); - -unsigned long get_wchan(struct task_struct *p); - -#define KSTK_EIP(tsk) \ - ({ \ - unsigned long eip = 0; \ - if ((tsk)->thread.esp0 > PAGE_SIZE && \ - (virt_addr_valid((tsk)->thread.esp0))) \ - eip = ((struct pt_regs *) (tsk)->thread.esp0)->pc; \ - eip; }) -#define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp) - -#define cpu_relax() barrier() - -#endif |