From 8ede0bdb63305d3353efd97e9af6210afb05734e Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 19:13:17 -0400 Subject: x86, um: initial part of asm-um move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- include/asm-um/processor-i386.h | 78 ----------------------------------------- 1 file changed, 78 deletions(-) delete mode 100644 include/asm-um/processor-i386.h (limited to 'include/asm-um/processor-i386.h') diff --git a/include/asm-um/processor-i386.h b/include/asm-um/processor-i386.h deleted file mode 100644 index a2b7fe13fe1..00000000000 --- a/include/asm-um/processor-i386.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __UM_PROCESSOR_I386_H -#define __UM_PROCESSOR_I386_H - -#include "linux/string.h" -#include "asm/host_ldt.h" -#include "asm/segment.h" - -extern int host_has_cmov; - -/* include faultinfo structure */ -#include "sysdep/faultinfo.h" - -struct uml_tls_struct { - struct user_desc tls; - unsigned flushed:1; - unsigned present:1; -}; - -struct arch_thread { - struct uml_tls_struct tls_array[GDT_ENTRY_TLS_ENTRIES]; - unsigned long debugregs[8]; - int debugregs_seq; - struct faultinfo faultinfo; -}; - -#define INIT_ARCH_THREAD { \ - .tls_array = { [ 0 ... GDT_ENTRY_TLS_ENTRIES - 1 ] = \ - { .present = 0, .flushed = 0 } }, \ - .debugregs = { [ 0 ... 7 ] = 0 }, \ - .debugregs_seq = 0, \ - .faultinfo = { 0, 0, 0 } \ -} - -static inline void arch_flush_thread(struct arch_thread *thread) -{ - /* Clear any TLS still hanging */ - memset(&thread->tls_array, 0, sizeof(thread->tls_array)); -} - -static inline void arch_copy_thread(struct arch_thread *from, - struct arch_thread *to) -{ - memcpy(&to->tls_array, &from->tls_array, sizeof(from->tls_array)); -} - -#include "asm/arch/user.h" - -/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ -static inline void rep_nop(void) -{ - __asm__ __volatile__("rep;nop": : :"memory"); -} - -#define cpu_relax() rep_nop() - -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). Stolen - * from asm-i386/processor.h - */ -#define current_text_addr() \ - ({ void *pc; __asm__("movl $1f,%0\n1:":"=g" (pc)); pc; }) - -#define ARCH_IS_STACKGROW(address) \ - (address + 32 >= UPT_SP(¤t->thread.regs.regs)) - -#define KSTK_EIP(tsk) KSTK_REG(tsk, EIP) -#define KSTK_ESP(tsk) KSTK_REG(tsk, UESP) -#define KSTK_EBP(tsk) KSTK_REG(tsk, EBP) - -#include "asm/processor-generic.h" - -#endif -- cgit v1.2.3