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Diffstat (limited to 'include/asm-x86/processor_32.h')
| -rw-r--r-- | include/asm-x86/processor_32.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/include/asm-x86/processor_32.h b/include/asm-x86/processor_32.h deleted file mode 100644 index 0d6a430b2bc..00000000000 --- a/include/asm-x86/processor_32.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (C) 1994 Linus Torvalds - */ - -#ifndef __ASM_I386_PROCESSOR_H -#define __ASM_I386_PROCESSOR_H - -#include <asm/vm86.h> -#include <asm/math_emu.h> -#include <asm/segment.h> -#include <asm/page.h> -#include <asm/types.h> -#include <asm/sigcontext.h> -#include <asm/cpufeature.h> -#include <asm/msr.h> -#include <asm/system.h> -#include <linux/threads.h> -#include <linux/init.h> -#include <asm/desc_defs.h> - -/* - * the following now lives in the per cpu area: - * extern int cpu_llc_id[NR_CPUS]; - */ -DECLARE_PER_CPU(u8, cpu_llc_id); - -/* - * User space process size: 3GB (default). - */ -#define TASK_SIZE (PAGE_OFFSET) - -#define INIT_THREAD { \ - .sp0 = sizeof(init_stack) + (long)&init_stack, \ - .vm86_info = NULL, \ - .sysenter_cs = __KERNEL_CS, \ - .io_bitmap_ptr = NULL, \ - .fs = __KERNEL_PERCPU, \ -} - -/* - * Note that the .io_bitmap member must be extra-big. This is because - * the CPU will access an additional byte beyond the end of the IO - * permission bitmap. The extra byte must be all 1 bits, and must - * be within the limit. - */ -#define INIT_TSS { \ - .x86_tss = { \ - .sp0 = sizeof(init_stack) + (long)&init_stack, \ - .ss0 = __KERNEL_DS, \ - .ss1 = __KERNEL_CS, \ - .io_bitmap_base = INVALID_IO_BITMAP_OFFSET, \ - }, \ - .io_bitmap = { [ 0 ... IO_BITMAP_LONGS] = ~0 }, \ -} - -#define start_thread(regs, new_eip, new_esp) do { \ - __asm__("movl %0,%%gs": :"r" (0)); \ - regs->fs = 0; \ - set_fs(USER_DS); \ - regs->ds = __USER_DS; \ - regs->es = __USER_DS; \ - regs->ss = __USER_DS; \ - regs->cs = __USER_CS; \ - regs->ip = new_eip; \ - regs->sp = new_esp; \ -} while (0) - - -extern unsigned long thread_saved_pc(struct task_struct *tsk); - -#define THREAD_SIZE_LONGS (THREAD_SIZE/sizeof(unsigned long)) -#define KSTK_TOP(info) \ -({ \ - unsigned long *__ptr = (unsigned long *)(info); \ - (unsigned long)(&__ptr[THREAD_SIZE_LONGS]); \ -}) - -/* - * The below -8 is to reserve 8 bytes on top of the ring0 stack. - * This is necessary to guarantee that the entire "struct pt_regs" - * is accessable even if the CPU haven't stored the SS/ESP registers - * on the stack (interrupt gate does not save these registers - * when switching to the same priv ring). - * Therefore beware: accessing the ss/esp fields of the - * "struct pt_regs" is possible, but they may contain the - * completely wrong values. - */ -#define task_pt_regs(task) \ -({ \ - struct pt_regs *__regs__; \ - __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \ - __regs__ - 1; \ -}) - -#define KSTK_ESP(task) (task_pt_regs(task)->sp) - -#endif /* __ASM_I386_PROCESSOR_H */ |