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authorPatrick Georgi <patrick@georgi-clan.de>2012-03-31 12:52:21 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2012-04-25 16:27:07 +0200
commit05e740fc40e409dcf8d592f4bbeaf87dc92140c5 (patch)
tree5b05e1ea6cd2a9c82ac218984e8ee5526c9b77c5 /src/cpu/intel/model_6ex
parent8919729307028746cf7bc527ca511183fe3b401b (diff)
downloadcoreboot-05e740fc40e409dcf8d592f4bbeaf87dc92140c5.tar.xz
Replace cache control magic numbers with symbols
Instead of opaque numbers like (1<<29), use symbols like CR0_NoWriteThrough. Change-Id: Id845e087fb472cfaf5f71beaf37fbf0d407880b5 Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/833 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/cpu/intel/model_6ex')
-rw-r--r--src/cpu/intel/model_6ex/cache_as_ram.inc15
1 files changed, 8 insertions, 7 deletions
diff --git a/src/cpu/intel/model_6ex/cache_as_ram.inc b/src/cpu/intel/model_6ex/cache_as_ram.inc
index 08f5b1138d..92337c8158 100644
--- a/src/cpu/intel/model_6ex/cache_as_ram.inc
+++ b/src/cpu/intel/model_6ex/cache_as_ram.inc
@@ -20,6 +20,7 @@
#include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h>
+#include <cpu/x86/cache.h>
#include <cpu/x86/post_code.h>
#define CPU_MAXPHYADDR 36
@@ -84,7 +85,7 @@ clear_mtrrs:
/* Enable cache (CR0.CD = 0, CR0.NW = 0). */
movl %cr0, %eax
- andl $(~((1 << 30) | (1 << 29))), %eax
+ andl $(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax
invd
movl %eax, %cr0
@@ -98,7 +99,7 @@ clear_mtrrs:
/* Enable Cache-as-RAM mode by disabling cache. */
movl %cr0, %eax
- orl $(1 << 30), %eax
+ orl $CR0_CacheDisable, %eax
movl %eax, %cr0
#if CONFIG_XIP_ROM_SIZE
@@ -122,7 +123,7 @@ clear_mtrrs:
/* Enable cache. */
movl %cr0, %eax
- andl $(~((1 << 30) | (1 << 29))), %eax
+ andl $(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax
movl %eax, %cr0
/* Set up the stack pointer. */
@@ -150,7 +151,7 @@ clear_mtrrs:
/* Disable cache. */
movl %cr0, %eax
- orl $(1 << 30), %eax
+ orl $CR0_CacheDisable, %eax
movl %eax, %cr0
post_code(0x31)
@@ -181,14 +182,14 @@ clear_mtrrs:
/* Enable cache. */
movl %cr0, %eax
- andl $~((1 << 30) | (1 << 29)), %eax
+ andl $~(CR0_CacheDisable | CR0_NoWriteThrough), %eax
movl %eax, %cr0
post_code(0x36)
/* Disable cache. */
movl %cr0, %eax
- orl $(1 << 30), %eax
+ orl $CR0_CacheDisable, %eax
movl %eax, %cr0
post_code(0x38)
@@ -217,7 +218,7 @@ clear_mtrrs:
/* And enable cache again after setting MTRRs. */
movl %cr0, %eax
- andl $~((1 << 30) | (1 << 29)), %eax
+ andl $~(CR0_CacheDisable | CR0_NoWriteThrough), %eax
movl %eax, %cr0
post_code(0x3a)