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Diffstat (limited to 'arch/x86/kernel/reboot_32.S')
-rw-r--r--arch/x86/kernel/reboot_32.S10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/kernel/reboot_32.S b/arch/x86/kernel/reboot_32.S
index f242356a096e..29092b38d816 100644
--- a/arch/x86/kernel/reboot_32.S
+++ b/arch/x86/kernel/reboot_32.S
@@ -23,10 +23,14 @@ r_base = .
1: popl %ebx
subl $1b, %ebx
+ /* Compute the equivalent real-mode segment */
+ movl %ebx, %ecx
+ shrl $4, %ecx
+
/* Patch post-real-mode segment jump */
- movw dispatch_table(%ebx,%ecx,2),%cx
- movw %cx, 101f(%ebx)
- movw %ax, 102f(%ebx)
+ movw dispatch_table(%ebx,%eax,2),%ax
+ movw %ax, 101f(%ebx)
+ movw %cx, 102f(%ebx)
/* Set up the IDT for real mode. */
lidtl machine_real_restart_idt(%ebx)