Changeset 7248e31 in mainline for arch/ia32/include/mm/vm.h

Timestamp:

2005-09-07T07:42:36Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

24bd23a

Parents:

0b512a8

Message:

Make IA-32 userspace stack be aligned on doubleword boundary.
In userspace(), mark "eax" as clobbered register.

File:

• arch/ia32/include/mm/vm.h (modified) (1 diff)

arch/ia32/include/mm/vm.h

@@ -32 +32 @@
 #include <arch/types.h>
 
-#define KERNEL_ADDRESS_SPACE_START_ARCH         (__address) 0x80000000
-#define KERNEL_ADDRESS_SPACE_END_ARCH           (__address) 0xffffffff  
-#define USER_ADDRESS_SPACE_START_ARCH           (__address) 0x00000000
-#define USER_ADDRESS_SPACE_END_ARCH             (__address) 0x7fffffff
+#define KERNEL_ADDRESS_SPACE_START_ARCH         ((__address) 0x80000000)
+#define KERNEL_ADDRESS_SPACE_END_ARCH           ((__address) 0xffffffff)
+#define USER_ADDRESS_SPACE_START_ARCH           ((__address) 0x00000000)
+#define USER_ADDRESS_SPACE_END_ARCH             ((__address) 0x7fffffff)
 
 #define UTEXT_ADDRESS_ARCH      0x00001000
-#define USTACK_ADDRESS_ARCH     (0x7fffffff-(PAGE_SIZE-1))
+#define USTACK_ADDRESS_ARCH     (USER_ADDRESS_SPACE_END_ARCH-(PAGE_SIZE-1))
 #define UDATA_ADDRESS_ARCH      0x21000000