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Revert r5902 to make code more readable again. At least three people like to 

have this go away again.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Rudolf Marek <r.marek@assembler.cz>                                                                          
Acked-by: Kevin O'Connor <kevin@koconnor.net>                                                                          



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6273 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2011-01-19 06:54:42 +00:00 committed by Stefan Reinauer
parent 5bb9fd6e4d
commit 7b0500c24c
7 changed files with 190 additions and 139 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/cpu/amd/car/cache_as_ram.inc
View File

@ -18,7 +18,6 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <cpu/x86/car.h>
#include <cpu/x86/mtrr.h> #include <cpu/x86/mtrr.h>
#include <cpu/amd/mtrr.h> #include <cpu/amd/mtrr.h>
@ -46,7 +45,8 @@
* xmm3: Backup EBX * xmm3: Backup EBX
*/ */
save_bist_result() /* Save the BIST result. */
movl %eax, %ebp
/* /*
* For normal part %ebx already contain cpu_init_detected * For normal part %ebx already contain cpu_init_detected
@ -56,7 +56,10 @@
cache_as_ram_setup: cache_as_ram_setup:
post_code(0xa0) post_code(0xa0)
enable_sse() /* Enable SSE. */
movl %cr4, %eax
orl $(3 << 9), %eax
movl %eax, %cr4
/* Figure out the CPU family. */ /* Figure out the CPU family. */
cvtsi2sd %ebx, %xmm3 cvtsi2sd %ebx, %xmm3
@ -321,7 +324,10 @@ wbcache_post_fam10_setup:
post_code(0xa1) post_code(0xa1)
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
movl %eax, %cr0
jmp_if_k8(fam10_end_part1) jmp_if_k8(fam10_end_part1)
@ -403,9 +409,13 @@ CAR_FAM10_ap_out:
post_code(0xa5) post_code(0xa5)
disable_sse() /* Disable SSE. */
movl %cr4, %eax
andl $~(3 << 9), %eax
movl %eax, %cr4
restore_bist_result() /* Restore the BIST result. */
movl %ebp, %eax
/* We need to set EBP? No need. */ /* We need to set EBP? No need. */
movl %esp, %ebp movl %esp, %ebp

22
src/cpu/intel/car/cache_as_ram.inc
View File

@ -21,7 +21,6 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <cpu/x86/car.h>
#include <cpu/x86/stack.h> #include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h> #include <cpu/x86/mtrr.h>
#include <cpu/x86/lapic_def.h> #include <cpu/x86/lapic_def.h>
@ -29,7 +28,8 @@
#define CacheSize CONFIG_DCACHE_RAM_SIZE #define CacheSize CONFIG_DCACHE_RAM_SIZE
#define CacheBase (0xd0000 - CacheSize) #define CacheBase (0xd0000 - CacheSize)
save_bist_result() /* Save the BIST result. */
movl %eax, %ebp
CacheAsRam: CacheAsRam:
/* Check whether the processor has HT capability. */ /* Check whether the processor has HT capability. */
@ -257,7 +257,10 @@ clear_fixed_var_mtrr_out:
wrmsr wrmsr
#endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */ #endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
movl %eax, %cr0
/* Read the range with lodsl. */ /* Read the range with lodsl. */
movl $CacheBase, %esi movl $CacheBase, %esi
@ -318,7 +321,8 @@ clear_fixed_var_mtrr_out:
movl $(CacheBase + CacheSize - 4), %eax movl $(CacheBase + CacheSize - 4), %eax
movl %eax, %esp movl %eax, %esp
lout: lout:
restore_bist_result() /* Restore the BIST result. */
movl %ebp, %eax
/* We need to set EBP? No need. */ /* We need to set EBP? No need. */
movl %esp, %ebp movl %esp, %ebp
@ -327,7 +331,10 @@ lout:
/* We don't need CAR from now on. */ /* We don't need CAR from now on. */
disable_cache() /* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
/* Clear sth. */ /* Clear sth. */
movl $MTRRfix4K_C8000_MSR, %ecx movl $MTRRfix4K_C8000_MSR, %ecx
@ -349,7 +356,10 @@ lout:
movl $0x00000800, %eax /* Enable variable and disable fixed MTRRs. */ movl $0x00000800, %eax /* Enable variable and disable fixed MTRRs. */
wrmsr wrmsr
enable_cache(); /* Enable cache. */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
movl %eax, %cr0
/* Clear boot_complete flag. */ /* Clear boot_complete flag. */
xorl %ebp, %ebp xorl %ebp, %ebp

61
src/cpu/intel/model_106cx/cache_as_ram.inc
View File

@ -18,14 +18,14 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <cpu/x86/car.h>
#include <cpu/x86/stack.h> #include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h> #include <cpu/x86/mtrr.h>
#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE #define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE #define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
save_bist_result() /* Save the BIST result. */
movl %eax, %ebp
cache_as_ram: cache_as_ram:
post_code(0x20) post_code(0x20)
@ -66,12 +66,19 @@ clear_mtrrs:
xorl %edx, %edx xorl %edx, %edx
wrmsr wrmsr
enable_mtrr() /* Enable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
orl $(1 << 11), %eax
wrmsr
enable_l2_cache() /* Enable L2 cache. */
movl $0x11e, %ecx
rdmsr
orl $(1 << 8), %eax
wrmsr
/* Enable cache (CR0.CD = 0, CR0.NW = 0). */ /* Enable cache (CR0.CD = 0, CR0.NW = 0). */
/* TODO: enable_cache()? But that doesn't have "invd". */
movl %cr0, %eax movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax andl $(~((1 << 30) | (1 << 29))), %eax
invd invd
@ -86,7 +93,9 @@ clear_mtrrs:
rep stosl rep stosl
/* Enable Cache-as-RAM mode by disabling cache. */ /* Enable Cache-as-RAM mode by disabling cache. */
disable_cache() movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
#if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE) #if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE)
/* Enable cache for our code in Flash because we do XIP here */ /* Enable cache for our code in Flash because we do XIP here */
@ -112,7 +121,10 @@ clear_mtrrs:
wrmsr wrmsr
#endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */ #endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
movl %eax, %cr0
/* Set up the stack pointer. */ /* Set up the stack pointer. */
#if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1) #if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1)
@ -123,8 +135,8 @@ clear_mtrrs:
#endif #endif
movl %eax, %esp movl %eax, %esp
restore_bist_result() /* Restore the BIST result. */
movl %ebp, %eax
movl %esp, %ebp movl %esp, %ebp
pushl %eax pushl %eax
@ -137,11 +149,18 @@ clear_mtrrs:
post_code(0x30) post_code(0x30)
disable_cache() /* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x31) post_code(0x31)
disable_mtrr() /* Disable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
andl $(~(1 << 11)), %eax
wrmsr
post_code(0x31) post_code(0x31)
@ -161,11 +180,17 @@ clear_mtrrs:
post_code(0x33) post_code(0x33)
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x36) post_code(0x36)
disable_cache() /* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x38) post_code(0x38)
@ -182,11 +207,17 @@ clear_mtrrs:
post_code(0x39) post_code(0x39)
/* And enable cache again after setting MTRRs. */ /* And enable cache again after setting MTRRs. */
enable_cache() movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x3a) post_code(0x3a)
enable_mtrr() /* Enable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
orl $(1 << 11), %eax
wrmsr
post_code(0x3b) post_code(0x3b)

61
src/cpu/intel/model_6ex/cache_as_ram.inc
View File

@ -18,14 +18,14 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <cpu/x86/car.h>
#include <cpu/x86/stack.h> #include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h> #include <cpu/x86/mtrr.h>
#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE #define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE #define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
save_bist_result() /* Save the BIST result. */
movl %eax, %ebp
cache_as_ram: cache_as_ram:
post_code(0x20) post_code(0x20)
@ -66,12 +66,19 @@ clear_mtrrs:
movl $0x0000000f, %edx movl $0x0000000f, %edx
wrmsr wrmsr
enable_mtrr() /* Enable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
orl $(1 << 11), %eax
wrmsr
enable_l2_cache() /* Enable L2 cache. */
movl $0x11e, %ecx
rdmsr
orl $(1 << 8), %eax
wrmsr
/* Enable cache (CR0.CD = 0, CR0.NW = 0). */ /* Enable cache (CR0.CD = 0, CR0.NW = 0). */
/* TODO: enable_cache()? But that doesn't have "invd". */
movl %cr0, %eax movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax andl $(~((1 << 30) | (1 << 29))), %eax
invd invd
@ -86,7 +93,9 @@ clear_mtrrs:
rep stosl rep stosl
/* Enable Cache-as-RAM mode by disabling cache. */ /* Enable Cache-as-RAM mode by disabling cache. */
disable_cache() movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
#if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE) #if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE)
/* Enable cache for our code in Flash because we do XIP here */ /* Enable cache for our code in Flash because we do XIP here */
@ -112,7 +121,10 @@ clear_mtrrs:
wrmsr wrmsr
#endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */ #endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
movl %eax, %cr0
/* Set up the stack pointer. */ /* Set up the stack pointer. */
#if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1) #if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1)
@ -123,8 +135,8 @@ clear_mtrrs:
#endif #endif
movl %eax, %esp movl %eax, %esp
restore_bist_result() /* Restore the BIST result. */
movl %ebp, %eax
movl %esp, %ebp movl %esp, %ebp
pushl %eax pushl %eax
@ -137,11 +149,18 @@ clear_mtrrs:
post_code(0x30) post_code(0x30)
disable_cache() /* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x31) post_code(0x31)
disable_mtrr() /* Disable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
andl $(~(1 << 11)), %eax
wrmsr
post_code(0x31) post_code(0x31)
@ -161,11 +180,17 @@ clear_mtrrs:
post_code(0x33) post_code(0x33)
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x36) post_code(0x36)
disable_cache() /* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x38) post_code(0x38)
@ -182,11 +207,17 @@ clear_mtrrs:
post_code(0x39) post_code(0x39)
/* And enable cache again after setting MTRRs. */ /* And enable cache again after setting MTRRs. */
enable_cache() movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x3a) post_code(0x3a)
enable_mtrr() /* Enable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
orl $(1 << 11), %eax
wrmsr
post_code(0x3b) post_code(0x3b)

61
src/cpu/intel/model_6fx/cache_as_ram.inc
View File

@ -18,14 +18,14 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <cpu/x86/car.h>
#include <cpu/x86/stack.h> #include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h> #include <cpu/x86/mtrr.h>
#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE #define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE #define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
save_bist_result() /* Save the BIST result. */
movl %eax, %ebp
cache_as_ram: cache_as_ram:
post_code(0x20) post_code(0x20)
@ -73,12 +73,19 @@ clear_mtrrs:
movl $0x0000000f, %edx movl $0x0000000f, %edx
wrmsr wrmsr
enable_mtrr() /* Enable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
orl $(1 << 11), %eax
wrmsr
enable_l2_cache() /* Enable L2 cache. */
movl $0x11e, %ecx
rdmsr
orl $(1 << 8), %eax
wrmsr
/* Enable cache (CR0.CD = 0, CR0.NW = 0). */ /* Enable cache (CR0.CD = 0, CR0.NW = 0). */
/* TODO: enable_cache()? But that doesn't have "invd". */
movl %cr0, %eax movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax andl $(~((1 << 30) | (1 << 29))), %eax
invd invd
@ -93,7 +100,9 @@ clear_mtrrs:
rep stosl rep stosl
/* Enable Cache-as-RAM mode by disabling cache. */ /* Enable Cache-as-RAM mode by disabling cache. */
disable_cache() movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
#if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE) #if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE)
/* Enable cache for our code in Flash because we do XIP here */ /* Enable cache for our code in Flash because we do XIP here */
@ -119,7 +128,10 @@ clear_mtrrs:
wrmsr wrmsr
#endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */ #endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
movl %eax, %cr0
/* Set up the stack pointer. */ /* Set up the stack pointer. */
#if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1) #if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1)
@ -130,8 +142,8 @@ clear_mtrrs:
#endif #endif
movl %eax, %esp movl %eax, %esp
restore_bist_result() /* Restore the BIST result. */
movl %ebp, %eax
movl %esp, %ebp movl %esp, %ebp
pushl %eax pushl %eax
@ -144,11 +156,18 @@ clear_mtrrs:
post_code(0x30) post_code(0x30)
disable_cache() /* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x31) post_code(0x31)
disable_mtrr() /* Disable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
andl $(~(1 << 11)), %eax
wrmsr
post_code(0x31) post_code(0x31)
@ -168,11 +187,17 @@ clear_mtrrs:
post_code(0x33) post_code(0x33)
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x36) post_code(0x36)
disable_cache() /* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x38) post_code(0x38)
@ -189,11 +214,17 @@ clear_mtrrs:
post_code(0x39) post_code(0x39)
/* And enable cache again after setting MTRRs. */ /* And enable cache again after setting MTRRs. */
enable_cache() movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x3a) post_code(0x3a)
enable_mtrr() /* Enable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
orl $(1 << 11), %eax
wrmsr
post_code(0x3b) post_code(0x3b)

27
src/cpu/via/car/cache_as_ram.inc
View File

@ -25,18 +25,21 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <cpu/x86/car.h>
#include <cpu/x86/stack.h> #include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h> #include <cpu/x86/mtrr.h>
#define CacheSize CONFIG_DCACHE_RAM_SIZE #define CacheSize CONFIG_DCACHE_RAM_SIZE
#define CacheBase CONFIG_DCACHE_RAM_BASE #define CacheBase CONFIG_DCACHE_RAM_BASE
save_bist_result() /* Save the BIST result. */
movl %eax, %ebp
CacheAsRam: CacheAsRam:
disable_cache() /* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
invd invd
/* Set the default memory type and enable fixed and variable MTRRs. */ /* Set the default memory type and enable fixed and variable MTRRs. */
@ -139,7 +142,10 @@ clear_fixed_var_mtrr_out:
movl $(MTRRdefTypeEn), %eax movl $(MTRRdefTypeEn), %eax
wrmsr wrmsr
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
movl %eax, %cr0
/* Read the range with lodsl. */ /* Read the range with lodsl. */
cld cld
@ -195,7 +201,8 @@ testok:
jne stackerr jne stackerr
#endif #endif
restore_bist_result() /* Restore the BIST result. */
movl %ebp, %eax
/* We need to set EBP? No need. */ /* We need to set EBP? No need. */
movl %esp, %ebp movl %esp, %ebp
@ -210,7 +217,10 @@ testok:
/* We don't need CAR from now on. */ /* We don't need CAR from now on. */
disable_cache() /* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
/* Set the default memory type and enable variable MTRRs. */ /* Set the default memory type and enable variable MTRRs. */
/* TODO: Or also enable fixed MTRRs? Bug in the code? */ /* TODO: Or also enable fixed MTRRs? Bug in the code? */
@ -242,7 +252,10 @@ testok:
movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRRphysMaskValid), %eax movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRRphysMaskValid), %eax
wrmsr wrmsr
enable_cache() /* Enable cache. */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
movl %eax, %cr0
invd invd
/* Clear boot_complete flag. */ /* Clear boot_complete flag. */

75
src/include/cpu/x86/car.h
View File

@ -1,75 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2000,2007 Ronald G. Minnich <rminnich@gmail.com>
* Copyright (C) 2007-2008 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 published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <cpu/x86/mtrr.h>
/* Save the BIST result. */
#define save_bist_result() \
movl %eax, %ebp
/* Restore the BIST result. */
#define restore_bist_result() \
movl %ebp, %eax
/* Enable cache. */
#define enable_cache() \
movl %cr0, %eax; \
andl $(~((1 << 30) | (1 << 29))), %eax; \
movl %eax, %cr0
/* Disable cache. */
#define disable_cache() \
movl %cr0, %eax; \
orl $(1 << 30), %eax; \
movl %eax, %cr0
/* Enable MTRR. */
#define enable_mtrr() \
movl $MTRRdefType_MSR, %ecx; \
rdmsr; \
orl $(1 << 11), %eax; \
wrmsr
/* Disable MTRR. */
#define disable_mtrr() \
movl $MTRRdefType_MSR, %ecx; \
rdmsr; \
andl $(~(1 << 11)), %eax; \
wrmsr
/* Enable L2 cache. */
#define enable_l2_cache() \
movl $0x11e, %ecx; \
rdmsr; \
orl $(1 << 8), %eax; \
wrmsr
/* Enable SSE. */
#define enable_sse() \
movl %cr4, %eax; \
orl $(3 << 9), %eax; \
movl %eax, %cr4
/* Disable SSE. */
#define disable_sse() \
movl %cr4, %eax; \
andl $~(3 << 9), %eax; \
movl %eax, %cr4