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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/car
parent8919729307028746cf7bc527ca511183fe3b401b (diff)
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/car')
-rw-r--r--src/cpu/intel/car/cache_as_ram.inc7
-rw-r--r--src/cpu/intel/car/cache_as_ram_ht.inc17
2 files changed, 13 insertions, 11 deletions
diff --git a/src/cpu/intel/car/cache_as_ram.inc b/src/cpu/intel/car/cache_as_ram.inc
index 7742a68225..6e642f68f9 100644
--- a/src/cpu/intel/car/cache_as_ram.inc
+++ b/src/cpu/intel/car/cache_as_ram.inc
@@ -23,6 +23,7 @@
#include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h>
+#include <cpu/x86/cache.h>
#include <cpu/x86/lapic_def.h>
#include <cpu/x86/post_code.h>
@@ -254,7 +255,7 @@ clear_fixed_var_mtrr_out:
/* Enable cache. */
movl %cr0, %eax
- andl $(~((1 << 30) | (1 << 29))), %eax
+ andl $(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax
movl %eax, %cr0
/* Read the range with lodsl. */
@@ -328,7 +329,7 @@ lout:
/* Disable cache. */
movl %cr0, %eax
- orl $(1 << 30), %eax
+ orl $CR0_CacheDisable, %eax
movl %eax, %cr0
/* Clear sth. */
@@ -353,7 +354,7 @@ lout:
/* Enable cache. */
movl %cr0, %eax
- andl $(~((1 << 30) | (1 << 29))), %eax
+ andl $(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax
movl %eax, %cr0
/* Clear boot_complete flag. */
diff --git a/src/cpu/intel/car/cache_as_ram_ht.inc b/src/cpu/intel/car/cache_as_ram_ht.inc
index ca107c4c56..4e0f391d33 100644
--- a/src/cpu/intel/car/cache_as_ram_ht.inc
+++ b/src/cpu/intel/car/cache_as_ram_ht.inc
@@ -22,6 +22,7 @@
#include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h>
+#include <cpu/x86/cache.h>
#include <cpu/x86/post_code.h>
#include <cpu/x86/lapic_def.h>
@@ -188,7 +189,7 @@ ap_init:
/* Do not disable cache (so BSP can enable it). */
movl %cr0, %eax
- andl $(~((1 << 30) | (1 << 29))), %eax
+ andl $(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax
movl %eax, %cr0
post_code(0x28)
@@ -271,7 +272,7 @@ no_msr_11e:
/* 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
@@ -284,7 +285,7 @@ no_msr_11e:
/* Enable Cache-as-RAM mode by disabling cache. */
movl %cr0, %eax
- orl $(1 << 30), %eax
+ orl $CR0_CacheDisable, %eax
movl %eax, %cr0
post_code(0x2d)
@@ -310,7 +311,7 @@ no_msr_11e:
/* Enable cache. */
movl %cr0, %eax
- andl $(~((1 << 30) | (1 << 29))), %eax
+ andl $(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax
movl %eax, %cr0
post_code(0x2e)
@@ -338,7 +339,7 @@ no_msr_11e:
/* Disable cache. */
movl %cr0, %eax
- orl $(1 << 30), %eax
+ orl $CR0_CacheDisable, %eax
movl %eax, %cr0
post_code(0x34)
@@ -357,14 +358,14 @@ no_msr_11e:
/* Enable cache. */
movl %cr0, %eax
- andl $~((1 << 30) | (1 << 29)), %eax
+ andl $~(CR0_CacheDisable | CR0_NoWriteThrough), %eax
movl %eax, %cr0
post_code(0x37)
/* Disable cache. */
movl %cr0, %eax
- orl $(1 << 30), %eax
+ orl $CR0_CacheDisable, %eax
movl %eax, %cr0
post_code(0x38)
@@ -393,7 +394,7 @@ no_msr_11e:
/* 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)