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Make more useful.
[pintos-anon]
/
src
/
threads
/
loader.S
diff --git
a/src/threads/loader.S
b/src/threads/loader.S
index e87a6c6530a3c3b2550b9376c94750d25942d5e3..42f489979dff15704d4cd3efa023c9954f03913b 100644
(file)
--- a/
src/threads/loader.S
+++ b/
src/threads/loader.S
@@
-39,7
+39,7
@@
*/
#include "threads/loader.h"
*/
#include "threads/loader.h"
-#include "threads/mmu.h"
+/*#include "threads/mmu.h"*/
#### Kernel loader.
#### Kernel loader.
@@
-133,14
+133,16
@@
start:
rep stosl
# Set PDEs for 0 and LOADER_PHYS_BASE to point to the page table.
rep stosl
# Set PDEs for 0 and LOADER_PHYS_BASE to point to the page table.
+# See comments near the PG_* macros in paging.h for a description of
+# the values stored here.
- movl $0x1100
0 | PG_U | PG_W | PG_P
, %eax
+ movl $0x1100
7
, %eax
movl %eax, %es:0
movl %eax, %es:LOADER_PHYS_BASE >> 20
# Initialize page table.
movl %eax, %es:0
movl %eax, %es:LOADER_PHYS_BASE >> 20
# Initialize page table.
- movl $
PG_U | PG_W | PG_P
, %eax
+ movl $
7
, %eax
movl $0x400, %ecx
1: stosl
addl $0x1000, %eax
movl $0x400, %ecx
1: stosl
addl $0x1000, %eax