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Subject[PATCH 07/11] x86/head_32.S: Early update ucode in 32-bit
Date
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 | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index d42ab17..bb0d1e5 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
--
1.7.2


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