Messages in this thread Patch in this message | | | From | "Fenghua Yu" <> | Subject | [PATCH v3 07/10] x86/head_32.S: Early update ucode in 32-bit | Date | Sun, 16 Dec 2012 02:43:26 -0800 |
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From: Fenghua Yu <fenghua.yu@intel.com>
This updates ucode in 32-bit kernel. At this point, there is no paging and no virtual address yet.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> --- arch/x86/kernel/head_32.S | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 8e7f655..fdc11f6 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -144,6 +144,12 @@ ENTRY(startup_32) movl %eax, pa(olpc_ofw_pgd) #endif +#ifdef CONFIG_MICROCODE_EARLY + /* Early load ucode on BSP. */ + movl $pa(boot_params), %eax + 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 +305,12 @@ 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 -- 1.8.0.1
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