diff options
author | Robert Richter <robert.richter@amd.com> | 2009-06-12 17:58:48 +0200 |
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committer | Robert Richter <robert.richter@amd.com> | 2009-06-12 17:58:48 +0200 |
commit | 1241eb8f136bf3ea409f61590e7663465906d158 (patch) | |
tree | c8384237f19bb1094d9c90825a74e28393b60d00 /arch/x86/boot/regs.c | |
parent | 51563a0e5650d0d76539625388d72d62b34c726e (diff) | |
parent | 940010c5a314a7bd9b498593bc6ba1718ac5aec5 (diff) |
Merge commit 'tip/perfcounters-for-linus' into oprofile/master
Conflicts:
arch/x86/oprofile/op_model_ppro.c
Signed-off-by: Robert Richter <robert.richter@amd.com>
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 00000000000..958019b1cfa --- /dev/null +++ b/arch/x86/boot/regs.c @@ -0,0 +1,29 @@ +/* ----------------------------------------------------------------------- + * + * Copyright 2009 Intel Corporation; author H. Peter Anvin + * + * This file is part of the Linux kernel, and is made available under + * the terms of the GNU General Public License version 2 or (at your + * option) any later version; incorporated herein by reference. + * + * ----------------------------------------------------------------------- */ + +/* + * Simple helper function for initializing a register set. + * + * Note that this sets EFLAGS_CF in the input register set; this + * makes it easier to catch functions which do nothing but don't + * explicitly set CF. + */ + +#include "boot.h" + +void initregs(struct biosregs *reg) +{ + memset(reg, 0, sizeof *reg); + reg->eflags |= X86_EFLAGS_CF; + reg->ds = ds(); + reg->es = ds(); + reg->fs = fs(); + reg->gs = gs(); +} |