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-rw-r--r--arch/x86/cpu/start16.S7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/cpu/start16.S b/arch/x86/cpu/start16.S
index 445d5a1734..9550502e9a 100644
--- a/arch/x86/cpu/start16.S
+++ b/arch/x86/cpu/start16.S
@@ -21,6 +21,9 @@
.code16
.globl start16
start16:
+ /* Save BIST */
+ movl %eax, %ecx
+
/* Set the Cold Boot / Hard Reset flag */
movl $GD_FLG_COLD_BOOT, %ebx
@@ -45,9 +48,11 @@ o32 cs lgdt gdt_ptr
/* Flush the prefetch queue */
jmp ff
ff:
- /* Finally jump to the 32bit initialization code */
+
+ /* Finally restore BIST and jump to the 32bit initialization code */
movw $code32start, %ax
movw %ax, %bp
+ movl %ecx, %eax
o32 cs ljmp *(%bp)
/* 48-bit far pointer */
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