Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-53

Creator:  Yinghai Lu <yhlu@tyan.com>

more safe stack in ram for cache_as_ram


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1969 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

8 files changed, 24 insertions, 24 deletions

diff --git a/src/mainboard/tyan/s2735/cache_as_ram_auto.c b/src/mainboard/tyan/s2735/cache_as_ram_auto.c
index ebfc647d10..a0c95ab46c 100644
--- a/src/mainboard/tyan/s2735/cache_as_ram_auto.c
+++ b/src/mainboard/tyan/s2735/cache_as_ram_auto.c
@@ -304,9 +304,9 @@ cpu_reset_x:
 
 	__asm__ volatile (
                 /* set new esp */ /* before _RAMBASE */
-                "movl   %0, %%ebp\n\t"
-                "movl   %0, %%esp\n\t"
-                ::"a"( _RAMBASE - 4 )
+                "subl   %0, %%ebp\n\t"
+                "subl   %0, %%esp\n\t"
+                ::"a"( (DCACHE_RAM_BASE + DCACHE_RAM_SIZE)- _RAMBASE )
 	);
 
 	{
diff --git a/src/mainboard/tyan/s2881/cache_as_ram_auto.c b/src/mainboard/tyan/s2881/cache_as_ram_auto.c
index b1e3719c72..5ac861d5da 100644
--- a/src/mainboard/tyan/s2881/cache_as_ram_auto.c
+++ b/src/mainboard/tyan/s2881/cache_as_ram_auto.c
@@ -355,9 +355,9 @@ cpu_reset_x:
 
 	__asm__ volatile (
                 /* set new esp */ /* before _RAMBASE */
-                "movl   %0, %%ebp\n\t"
-                "movl   %0, %%esp\n\t"
-                ::"a"( _RAMBASE - 4 )
+                "subl   %0, %%ebp\n\t"
+                "subl   %0, %%esp\n\t"
+                ::"a"( (DCACHE_RAM_BASE + DCACHE_RAM_SIZE)- _RAMBASE )
 	);
 
 	{
diff --git a/src/mainboard/tyan/s2882/cache_as_ram_auto.c b/src/mainboard/tyan/s2882/cache_as_ram_auto.c
index 5c92e8420c..1b3d77a206 100644
--- a/src/mainboard/tyan/s2882/cache_as_ram_auto.c
+++ b/src/mainboard/tyan/s2882/cache_as_ram_auto.c
@@ -351,9 +351,9 @@ cpu_reset_x:
 
 	__asm__ volatile (
                 /* set new esp */ /* before _RAMBASE */
-                "movl   %0, %%ebp\n\t"
-                "movl   %0, %%esp\n\t"
-                ::"a"( _RAMBASE - 4 )
+                "subl   %0, %%ebp\n\t"
+                "subl   %0, %%esp\n\t"
+                ::"a"( (DCACHE_RAM_BASE + DCACHE_RAM_SIZE)- _RAMBASE )
 	);
 
 	{
diff --git a/src/mainboard/tyan/s2885/cache_as_ram_auto.c b/src/mainboard/tyan/s2885/cache_as_ram_auto.c
index 4bbbdf0e5a..9ca2c4dc7f 100644
--- a/src/mainboard/tyan/s2885/cache_as_ram_auto.c
+++ b/src/mainboard/tyan/s2885/cache_as_ram_auto.c
@@ -433,9 +433,9 @@ cpu_reset_x:
 
 	__asm__ volatile (
                 /* set new esp */ /* before _RAMBASE */
-                "movl   %0, %%ebp\n\t"
-                "movl   %0, %%esp\n\t"
-                ::"a"( _RAMBASE - 4 )
+                "subl   %0, %%ebp\n\t"
+                "subl   %0, %%esp\n\t"
+                ::"a"( (DCACHE_RAM_BASE + DCACHE_RAM_SIZE)- _RAMBASE )
 	);
 
 	{
diff --git a/src/mainboard/tyan/s2891/cache_as_ram_auto.c b/src/mainboard/tyan/s2891/cache_as_ram_auto.c
index b0ddb837a5..ba2dfc1f8c 100644
--- a/src/mainboard/tyan/s2891/cache_as_ram_auto.c
+++ b/src/mainboard/tyan/s2891/cache_as_ram_auto.c
@@ -373,9 +373,9 @@ cpu_reset_x:
 
 	__asm__ volatile (
                 /* set new esp */ /* before _RAMBASE */
-                "movl   %0, %%ebp\n\t"
-                "movl   %0, %%esp\n\t"
-                ::"a"( _RAMBASE - 4 )
+                "subl   %0, %%ebp\n\t"
+                "subl   %0, %%esp\n\t"
+                ::"a"( (DCACHE_RAM_BASE + DCACHE_RAM_SIZE)- _RAMBASE )
 	);
 
 	{
diff --git a/src/mainboard/tyan/s2892/cache_as_ram_auto.c b/src/mainboard/tyan/s2892/cache_as_ram_auto.c
index 14b15d4775..30a78f5a96 100644
--- a/src/mainboard/tyan/s2892/cache_as_ram_auto.c
+++ b/src/mainboard/tyan/s2892/cache_as_ram_auto.c
@@ -377,9 +377,9 @@ cpu_reset_x:
 
 	__asm__ volatile (
                 /* set new esp */ /* before _RAMBASE */
-                "movl   %0, %%ebp\n\t"
-                "movl   %0, %%esp\n\t"
-                ::"a"( _RAMBASE - 4 )
+                "subl   %0, %%ebp\n\t"
+                "subl   %0, %%esp\n\t"
+                ::"a"( (DCACHE_RAM_BASE + DCACHE_RAM_SIZE)- _RAMBASE )
 	);
 
 	{
diff --git a/src/mainboard/tyan/s2895/cache_as_ram_auto.c b/src/mainboard/tyan/s2895/cache_as_ram_auto.c
index dfe11ae546..fde94cc780 100644
--- a/src/mainboard/tyan/s2895/cache_as_ram_auto.c
+++ b/src/mainboard/tyan/s2895/cache_as_ram_auto.c
@@ -455,9 +455,9 @@ cpu_reset_x:
 
         __asm__ volatile (
                 /* set new esp */ /* before _RAMBASE */
-                "movl   %0, %%ebp\n\t"
-                "movl   %0, %%esp\n\t"
-		::"a"( _RAMBASE - 4 )
+                "subl   %0, %%ebp\n\t"
+                "subl   %0, %%esp\n\t"
+                ::"a"( (DCACHE_RAM_BASE + DCACHE_RAM_SIZE)- _RAMBASE )
         );
 
         {
diff --git a/src/mainboard/tyan/s4882/cache_as_ram_auto.c b/src/mainboard/tyan/s4882/cache_as_ram_auto.c
index 4e1b8483fc..bbcc49a9cf 100644
--- a/src/mainboard/tyan/s4882/cache_as_ram_auto.c
+++ b/src/mainboard/tyan/s4882/cache_as_ram_auto.c
@@ -419,9 +419,9 @@ cpu_reset_x:
 
 	__asm__ volatile (
                 /* set new esp */ /* before _RAMBASE */
-                "movl   %0, %%ebp\n\t"
-                "movl   %0, %%esp\n\t"
-                ::"a"( _RAMBASE - 4 )
+                "subl   %0, %%ebp\n\t"
+                "subl   %0, %%esp\n\t"
+                ::"a"( (DCACHE_RAM_BASE + DCACHE_RAM_SIZE)- _RAMBASE )
 	);
 
 	{