Changeset cfa70add in mainline for kernel/arch/sparc64/src/sparc64.c

Timestamp:

2006-09-03T23:37:14Z (18 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.

File:

• kernel/arch/sparc64/src/sparc64.c (modified) (2 diffs)

kernel/arch/sparc64/src/sparc64.c

@@ -48 +48 @@
 
 bootinfo_t bootinfo;
+
+void arch_pre_main(void)
+{
+        /* Setup usermode */
+        init.cnt = bootinfo.taskmap.count;
+        
+        uint32_t i;
+
+        for (i = 0; i < bootinfo.taskmap.count; i++) {
+                init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
+                init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
+        }
+}
 
 void arch_pre_mm_init(void)
@@ -99 +112 @@
         switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
                 ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
-                - (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS));
+                - (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
+                (uintptr_t) kernel_uarg->uspace_uarg);
 
         for (;;)