diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2010-08-01 15:41:14 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-08-01 15:41:14 +0000 |
| commit | bc0f7a68df9c07518eb34ef4549a2f704ededcdd (patch) | |
| tree | 586e2cc67607b67de202f905fc28c667a05212a3 /src/cpu/x86/smm/smmrelocate.S | |
| parent | 2d33dc40965c6f7f3dae585a330c2cd06b816c85 (diff) | |
- fix SMM code relocation race
- make SMM relocation debugging Kconfig accessible
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5676 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/x86/smm/smmrelocate.S')
| -rw-r--r-- | src/cpu/x86/smm/smmrelocate.S | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/cpu/x86/smm/smmrelocate.S b/src/cpu/x86/smm/smmrelocate.S index 50a8f28c3f..e795359783 100644 --- a/src/cpu/x86/smm/smmrelocate.S +++ b/src/cpu/x86/smm/smmrelocate.S @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2008 coresystems GmbH + * Copyright (C) 2008-2010 coresystems GmbH * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -24,12 +24,15 @@ // FIXME: Is this piece of code southbridge specific, or // can it be cleaned up so this include is not required? -// It's needed right now because we get our PM_BASE from +// It's needed right now because we get our DEFAULT_PMBASE from // here. +#if defined(CONFIG_SOUTHBRIDGE_INTEL_I82801GX) #include "../../../southbridge/intel/i82801gx/i82801gx.h" - -#undef DEBUG_SMM_RELOCATION -//#define DEBUG_SMM_RELOCATION +#elif defined(CONFIG_SOUTHBRIDGE_INTEL_I82801DX) +#include "../../../southbridge/intel/i82801dx/i82801dx.h" +#else +#error "Southbridge needs SMM handler support." +#endif #define LAPIC_ID 0xfee00020 @@ -125,7 +128,7 @@ smm_relocate: addr32 movl %eax, (%ebx) - /* The next section of code is hardware specific */ + /* The next section of code is potentially southbridge specific */ /* Clear SMI status */ movw $(DEFAULT_PMBASE + 0x34), %dx @@ -143,8 +146,9 @@ smm_relocate: orl $(1 << 1), %eax outl %eax, %dx - /* End of hardware specific section. */ -#ifdef DEBUG_SMM_RELOCATION + /* End of southbridge specific section. */ + +#if defined(CONFIG_DEBUG_SMM_RELOCATION) && CONFIG_DEBUG_SMM_RELOCATION /* print [SMM-x] so we can determine if CPUx went to SMM */ movw $CONFIG_TTYS0_BASE, %dx mov $'[', %al |