Changeset cfa70add in mainline for uspace/libc/arch/sparc64/src/thread.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:

• uspace/libc/arch/sparc64/src/thread.c (modified) (2 diffs)

uspace/libc/arch/sparc64/src/thread.c

@@ -27 +27 @@
  */
 
-/** @addtogroup libcsparc64     
+/** @addtogroup libcsparc64 sparc64
+ * @ingroup lc
  * @{
  */
 /** @file
+ *
  */
 
@@ -40 +42 @@
  * @param data Start of data section
  * @return pointer to tcb_t structure
- *
  */
 tcb_t * __alloc_tls(void **data, size_t size)
 {
-        tcb_t *result;
+        tcb_t *tcb;
+        
+        *data = malloc(sizeof(tcb_t) + size);
 
-        result = malloc(sizeof(tcb_t) + size);
-        *data = ((void *)result) + sizeof(tcb_t);
-        return result;
+        tcb = (tcb_t *) (*data + size);
+        tcb->self = tcb;
+
+        return tcb;
 }
 
 void __free_tls_arch(tcb_t *tcb, size_t size)
 {
-        free(tcb);
+        void *start = ((void *)tcb) - size;
+        free(start);
 }