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

View File

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

View File

@@ -18,14 +18,14 @@
* 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/mtrr.h>
#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
save_bist_result()
/* Save the BIST result. */
movl %eax, %ebp
cache_as_ram:
post_code(0x20)
@@ -66,12 +66,19 @@ clear_mtrrs:
xorl %edx, %edx
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). */
/* TODO: enable_cache()? But that doesn't have "invd". */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
invd
@@ -86,7 +93,9 @@ clear_mtrrs:
rep stosl
/* 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)
/* Enable cache for our code in Flash because we do XIP here */
@@ -112,7 +121,10 @@ clear_mtrrs:
wrmsr
#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. */
#if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1)
@@ -123,8 +135,8 @@ clear_mtrrs:
#endif
movl %eax, %esp
restore_bist_result()
/* Restore the BIST result. */
movl %ebp, %eax
movl %esp, %ebp
pushl %eax
@@ -137,11 +149,18 @@ clear_mtrrs:
post_code(0x30)
disable_cache()
/* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x31)
disable_mtrr()
/* Disable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
andl $(~(1 << 11)), %eax
wrmsr
post_code(0x31)
@@ -161,11 +180,17 @@ clear_mtrrs:
post_code(0x33)
enable_cache()
/* Enable cache. */
movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x36)
disable_cache()
/* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x38)
@@ -182,11 +207,17 @@ clear_mtrrs:
post_code(0x39)
/* And enable cache again after setting MTRRs. */
enable_cache()
movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x3a)
enable_mtrr()
/* Enable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
orl $(1 << 11), %eax
wrmsr
post_code(0x3b)

View File

@@ -18,14 +18,14 @@
* 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/mtrr.h>
#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
save_bist_result()
/* Save the BIST result. */
movl %eax, %ebp
cache_as_ram:
post_code(0x20)
@@ -66,12 +66,19 @@ clear_mtrrs:
movl $0x0000000f, %edx
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). */
/* TODO: enable_cache()? But that doesn't have "invd". */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
invd
@@ -86,7 +93,9 @@ clear_mtrrs:
rep stosl
/* 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)
/* Enable cache for our code in Flash because we do XIP here */
@@ -112,7 +121,10 @@ clear_mtrrs:
wrmsr
#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. */
#if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1)
@@ -123,8 +135,8 @@ clear_mtrrs:
#endif
movl %eax, %esp
restore_bist_result()
/* Restore the BIST result. */
movl %ebp, %eax
movl %esp, %ebp
pushl %eax
@@ -137,11 +149,18 @@ clear_mtrrs:
post_code(0x30)
disable_cache()
/* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x31)
disable_mtrr()
/* Disable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
andl $(~(1 << 11)), %eax
wrmsr
post_code(0x31)
@@ -161,11 +180,17 @@ clear_mtrrs:
post_code(0x33)
enable_cache()
/* Enable cache. */
movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x36)
disable_cache()
/* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x38)
@@ -182,11 +207,17 @@ clear_mtrrs:
post_code(0x39)
/* And enable cache again after setting MTRRs. */
enable_cache()
movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x3a)
enable_mtrr()
/* Enable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
orl $(1 << 11), %eax
wrmsr
post_code(0x3b)

View File

@@ -18,14 +18,14 @@
* 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/mtrr.h>
#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
save_bist_result()
/* Save the BIST result. */
movl %eax, %ebp
cache_as_ram:
post_code(0x20)
@@ -73,12 +73,19 @@ clear_mtrrs:
movl $0x0000000f, %edx
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). */
/* TODO: enable_cache()? But that doesn't have "invd". */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
invd
@@ -93,7 +100,9 @@ clear_mtrrs:
rep stosl
/* 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)
/* Enable cache for our code in Flash because we do XIP here */
@@ -119,7 +128,10 @@ clear_mtrrs:
wrmsr
#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. */
#if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1)
@@ -130,8 +142,8 @@ clear_mtrrs:
#endif
movl %eax, %esp
restore_bist_result()
/* Restore the BIST result. */
movl %ebp, %eax
movl %esp, %ebp
pushl %eax
@@ -144,11 +156,18 @@ clear_mtrrs:
post_code(0x30)
disable_cache()
/* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x31)
disable_mtrr()
/* Disable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
andl $(~(1 << 11)), %eax
wrmsr
post_code(0x31)
@@ -168,11 +187,17 @@ clear_mtrrs:
post_code(0x33)
enable_cache()
/* Enable cache. */
movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x36)
disable_cache()
/* Disable cache. */
movl %cr0, %eax
orl $(1 << 30), %eax
movl %eax, %cr0
post_code(0x38)
@@ -189,11 +214,17 @@ clear_mtrrs:
post_code(0x39)
/* And enable cache again after setting MTRRs. */
enable_cache()
movl %cr0, %eax
andl $~((1 << 30) | (1 << 29)), %eax
movl %eax, %cr0
post_code(0x3a)
enable_mtrr()
/* Enable MTRR. */
movl $MTRRdefType_MSR, %ecx
rdmsr
orl $(1 << 11), %eax
wrmsr
post_code(0x3b)