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| author | Simon Glass <sjg@chromium.org> | 2015-04-29 22:25:59 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-30 16:13:38 -0600 |
| commit | 45b5a37836d552db30ab571d8ba67f12d7ba23b1 (patch) | |
| tree | cbfda1472f00b123b6dd7872deedac0fc381612c /arch/x86/include/asm/processor.h | |
| parent | 6f41e0e7bcdc58e9e8af89988043893d5876bf7a (diff) | |
| download | u-boot-imx-45b5a37836d552db30ab571d8ba67f12d7ba23b1.zip u-boot-imx-45b5a37836d552db30ab571d8ba67f12d7ba23b1.tar.gz u-boot-imx-45b5a37836d552db30ab571d8ba67f12d7ba23b1.tar.bz2 | |
x86: Add multi-processor init
Most modern x86 CPUs include more than one CPU core. The OS normally requires
that these 'Application Processors' (APs) be brought up by the boot loader.
Add the required support to U-Boot to init additional APs.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 3575d34..7c77b90 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -23,6 +23,9 @@ #define X86_GDT_SIZE (X86_GDT_NUM_ENTRIES * X86_GDT_ENTRY_SIZE) +/* Length of the public header on Intel microcode blobs */ +#define UCODE_HEADER_LEN 0x30 + #ifndef __ASSEMBLY__ /* |