Messages in this thread Patch in this message | | | From | "Fenghua Yu" <> | Subject | [PATCH 08/11] x86/head64.c: Early update ucode in 64-bit | Date | Sat, 18 Aug 2012 01:15:26 -0700 |
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From: Fenghua Yu <fenghua.yu@intel.com>
This updates ucode in 64-bit mode. Paging and virtual address are working now.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> --- arch/x86/kernel/head64.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 037df57..a512f56 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -25,6 +25,7 @@ #include <asm/kdebug.h> #include <asm/e820.h> #include <asm/bios_ebda.h> +#include <asm/microcode.h> static void __init zap_identity_mappings(void) { @@ -73,6 +74,11 @@ void __init x86_64_start_kernel(char * real_mode_data) /* clear bss before set_intr_gate with early_idt_handler */ clear_bss(); + /* + * Load microcode early on BSP. + */ + load_ucode_bsp(real_mode_data); + /* Make NULL pointers segfault */ zap_identity_mappings(); -- 1.7.2
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