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Subject[PATCH v4 09/11] x86/head64.c: Early update ucode in 64-bit
Date
From: Fenghua Yu <fenghua.yu@intel.com>

This updates ucode on BSP 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 file changed, 6 insertions(+)

diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index e1cb611..1ccbaf1 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -26,6 +26,7 @@
#include <asm/kdebug.h>
#include <asm/e820.h>
#include <asm/bios_ebda.h>
+#include <asm/microcode.h>

/*
* Manage page tables very early on.
@@ -179,6 +180,11 @@ void __init x86_64_start_kernel(char * real_mode_data)
}
load_idt((const struct desc_ptr *)&idt_descr);

+ /*
+ * Load microcode early on BSP.
+ */
+ load_ucode_bsp(__va(real_mode_data));
+
copy_bootdata(__va(real_mode_data));

if (console_loglevel == 10)
--
1.8.0.1


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