Changeset 031e264 in mainline for arch/sparc64/include/mm

Timestamp:

2005-12-18T23:03:45Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

75e1db0

Parents:

ff12a3c

Message:

Fix cpu_init(): frame_alloc() can return 0 as the valid address of block of frames. Do not signal error.

sparc64 work.
Reorganize kernel vs. userspace memory layout.
Add panic_printf().
Turn dummy() into nop rather than into infinite loop.

Location:

arch/sparc64/include/mm

Files:

• page.h (modified) (1 diff)
• vm.h (modified) (1 diff)

arch/sparc64/include/mm/page.h

@@ -36 +36 @@
 #define PAGE_SIZE       FRAME_SIZE
 
-#define KA2PA(x)        (((__address) (x)) - 0x80000000)
-#define PA2KA(x)        (((__address) (x)) + 0x80000000)
+#define KA2PA(x)        ((__address) (x))
+#define PA2KA(x)        ((__address) (x))
 
 #define PTL0_INDEX_ARCH(vaddr)          0

arch/sparc64/include/mm/vm.h

@@ -32 +32 @@
 #include <arch/types.h>
 
-#define KERNEL_ADDRESS_SPACE_START_ARCH         (__address) 0x8000000000000000
+#define KERNEL_ADDRESS_SPACE_START_ARCH         (__address) 0x0000000000000000
 #define KERNEL_ADDRESS_SPACE_END_ARCH           (__address) 0xffffffffffffffff
 #define USER_ADDRESS_SPACE_START_ARCH           (__address) 0x0000000000000000
-#define USER_ADDRESS_SPACE_END_ARCH             (__address) 0x7fffffffffffffff
+#define USER_ADDRESS_SPACE_END_ARCH             (__address) 0xffffffffffffffff
 
-#define UTEXT_ADDRESS_ARCH      0x0000000000001000
+#define UTEXT_ADDRESS_ARCH      (0x0000000000000000+PAGE_SIZE)
 #define USTACK_ADDRESS_ARCH     (0x7fffffffffffffff-(PAGE_SIZE-1))
-#define UDATA_ADDRESS_ARCH      0x0000000001001000
+#define UDATA_ADDRESS_ARCH      0x8000000000000000
 
 #define vm_install_arch(vm)