diff options
| author | Fenghua Yu <fenghua.yu@intel.com> | 2012-12-20 23:44:29 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-31 13:19:20 -0800 |
| commit | 63b553c68db5a8d4febcd1010b194333d2b02e1c (patch) | |
| tree | 4d9a882d51cb01090c74cc58a20af6a68cb64791 /arch/x86/kernel/head_32.S | |
| parent | ec400ddeff200b068ddc6c70f7321f49ecf32ed5 (diff) | |
x86/head_32.S: Early update ucode in 32-bit
This updates ucode in 32-bit kernel on BSP and AP. At this point, there is no
paging and no virtual address yet.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1356075872-3054-10-git-send-email-fenghua.yu@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/head_32.S')
| -rw-r--r-- | arch/x86/kernel/head_32.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 8e7f6556028..2f705307c8d 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -144,6 +144,11 @@ ENTRY(startup_32) movl %eax, pa(olpc_ofw_pgd) #endif +#ifdef CONFIG_MICROCODE_EARLY + /* Early load ucode on BSP. */ + call load_ucode_bsp +#endif + /* * Initialize page tables. This creates a PDE and a set of page * tables, which are located immediately beyond __brk_base. The variable @@ -299,6 +304,12 @@ ENTRY(startup_32_smp) movl %eax,%ss leal -__PAGE_OFFSET(%ecx),%esp +#ifdef CONFIG_MICROCODE_EARLY + /* Early load ucode on AP. */ + call load_ucode_ap +#endif + + default_entry: /* * New page tables may be in 4Mbyte page mode and may |