diff options
| author |   Fenghua Yu <fenghua.yu@intel.com> | 2012-12-20 23:44:25 -0800 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@linux.intel.com> | 2013-01-31 13:19:12 -0800 |
| commit | a8ebf6d1d6971b90a20f5bd0465e6d520377e33b (patch) | |
| tree | 94a38bdf06e32d6b4d20b68da6ee007734e0e374 /arch/x86/include/asm/microcode.h | |
| parent | x86/common.c: load ucode in 64 bit or show loading ucode info in 32 bit on AP (diff) | |
| download | wireguard-linux-a8ebf6d1d6971b90a20f5bd0465e6d520377e33b.tar.xz wireguard-linux-a8ebf6d1d6971b90a20f5bd0465e6d520377e33b.zip | |
x86/microcode_core_early.c: Define interfaces for early loading ucode
Define interfaces load_ucode_bsp() and load_ucode_ap() to load ucode on BSP and
AP in early boot time. These are generic interfaces. Internally they call
vendor specific implementations.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1356075872-3054-6-git-send-email-fenghua.yu@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/microcode.h')
| -rw-r--r-- | arch/x86/include/asm/microcode.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h index 43d921b4752c..6825e2efd1b4 100644 --- a/arch/x86/include/asm/microcode.h +++ b/arch/x86/include/asm/microcode.h @@ -57,4 +57,18 @@ static inline struct microcode_ops * __init init_amd_microcode(void) static inline void __exit exit_amd_microcode(void) {} #endif +#ifdef CONFIG_MICROCODE_EARLY +#define MAX_UCODE_COUNT 128 +extern void __init load_ucode_bsp(void); +extern __init void load_ucode_ap(void); +extern int __init save_microcode_in_initrd(void); +#else +static inline void __init load_ucode_bsp(void) {} +static inline __init void load_ucode_ap(void) {} +static inline int __init save_microcode_in_initrd(void) +{ + return 0; +} +#endif + #endif /* _ASM_X86_MICROCODE_H */ |