Changeset cfa70add in mainline for kernel/arch/sparc64/include/mm

Timestamp:

2006-09-03T23:37:14Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

fd85ae5

Parents:

002e613

Message:

sparc64 update.

• Prototype userspace layer implementation that at least relates to sparc64 and compiles cleanly.
• Fixes for kernel's preemptible_handler and code related to running userspace.
• Enable userspace. Several dozen instructions are now run in userspace! We are pretty near the userspace milestone for sparc64.

Location:

kernel/arch/sparc64/include/mm

Files:

• as.h (modified) (1 diff)
• tlb.h (modified) (1 diff)

kernel/arch/sparc64/include/mm/as.h

@@ -43 +43 @@
 #define USER_ADDRESS_SPACE_END_ARCH             (unsigned long) 0xffffffffffffffff
 
-#define USTACK_ADDRESS_ARCH     (0x7fffffffffffffff-(PAGE_SIZE-1))
+#define USTACK_ADDRESS_ARCH     (0xffffffffffffffffULL-(PAGE_SIZE-1))
 
 extern void as_arch_init(void);

kernel/arch/sparc64/include/mm/tlb.h

@@ -180 +180 @@
 static inline void mmu_secondary_context_write(uint64_t v)
 {
-        asi_u64_write(ASI_DMMU, VA_PRIMARY_CONTEXT_REG, v);
+        asi_u64_write(ASI_DMMU, VA_SECONDARY_CONTEXT_REG, v);
         flush();
 }