diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-06-11 11:55:42 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-11 11:55:42 -0400 |
commit | 940010c5a314a7bd9b498593bc6ba1718ac5aec5 (patch) | |
tree | d141e08ced08c40c6a8e3ab2cdecde5ff14e560f /arch/x86/boot/regs.c | |
parent | 8dc8e5e8bc0ce00b0f656bf972f67cd8a72759e5 (diff) | |
parent | 991ec02cdca33b03a132a0cacfe6f0aa0be9aa8d (diff) |
Merge branch 'linus' into perfcounters/core
Conflicts:
arch/x86/kernel/irqinit.c
arch/x86/kernel/irqinit_64.c
arch/x86/kernel/traps.c
arch/x86/mm/fault.c
include/linux/sched.h
kernel/exit.c
Diffstat (limited to 'arch/x86/boot/regs.c')
-rw-r--r-- | arch/x86/boot/regs.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/x86/boot/regs.c b/arch/x86/boot/regs.c new file mode 100644 index 000000000000..958019b1cfa5 --- /dev/null +++ b/arch/x86/boot/regs.c | |||
@@ -0,0 +1,29 @@ | |||
1 | /* ----------------------------------------------------------------------- | ||
2 | * | ||
3 | * Copyright 2009 Intel Corporation; author H. Peter Anvin | ||
4 | * | ||
5 | * This file is part of the Linux kernel, and is made available under | ||
6 | * the terms of the GNU General Public License version 2 or (at your | ||
7 | * option) any later version; incorporated herein by reference. | ||
8 | * | ||
9 | * ----------------------------------------------------------------------- */ | ||
10 | |||
11 | /* | ||
12 | * Simple helper function for initializing a register set. | ||
13 | * | ||
14 | * Note that this sets EFLAGS_CF in the input register set; this | ||
15 | * makes it easier to catch functions which do nothing but don't | ||
16 | * explicitly set CF. | ||
17 | */ | ||
18 | |||
19 | #include "boot.h" | ||
20 | |||
21 | void initregs(struct biosregs *reg) | ||
22 | { | ||
23 | memset(reg, 0, sizeof *reg); | ||
24 | reg->eflags |= X86_EFLAGS_CF; | ||
25 | reg->ds = ds(); | ||
26 | reg->es = ds(); | ||
27 | reg->fs = fs(); | ||
28 | reg->gs = gs(); | ||
29 | } | ||