From a1f07c8027251fc396baeb911645f664089178b7 Mon Sep 17 00:00:00 2001 From: Stefan Lankes Date: Tue, 12 Jun 2012 09:20:54 +0200 Subject: [PATCH] map also mp_config into the address space --- arch/x86/kernel/entry64.asm | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/x86/kernel/entry64.asm b/arch/x86/kernel/entry64.asm index 357950cd..00b3697f 100644 --- a/arch/x86/kernel/entry64.asm +++ b/arch/x86/kernel/entry64.asm @@ -256,6 +256,16 @@ La: or ebx, 0x00000013 mov DWORD [edi], ebx + ; map mp_config + mov edi, [eax+4] + and edi, 0xFFFFF000 + shr edi, 9 ; (edi >> 12) * 8 + add edi, boot_pt + mov ebx, [eax+4] + and ebx, 0xFFFFF000 + or ebx, 0x00000013 + mov DWORD [edi], ebx + Lb: mov edi, kernel_start shr edi, 9 ; (kernel_start >> 12) * 8