Changeset ebb1489 in mainline for uspace/lib/c/arch/sparc64/include/libarch/thread.h

Timestamp:

2024-10-13T08:23:40Z (8 weeks ago)

Author:

GitHub <noreply@…>

Children:

0472cf17

Parents:

2a0c827c (diff), b3b79981 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

git-author:

boba-buba <120932204+boba-buba@…> (2024-10-13 08:23:40)

git-committer:

GitHub <noreply@…> (2024-10-13 08:23:40)

Message:

Merge branch 'HelenOS:master' into topic/packet-capture

File:

• uspace/lib/c/arch/sparc64/include/libarch/thread.h (modified) (1 diff)

uspace/lib/c/arch/sparc64/include/libarch/thread.h

@@ -35 +35 @@
 #define _LIBC_sparc64_THREAD_H_
 
+#include <assert.h>
+#include <align.h>
+#include <libarch/stack.h>
+
+static inline uintptr_t arch_thread_prepare(void *stack, size_t stack_size,
+    void (*main)(void *), void *arg)
+{
+        /* We must leave space above the stack pointer for initial register spill area. */
+        uintptr_t *sp = (uintptr_t *) ALIGN_DOWN((uintptr_t) stack + stack_size - STACK_WINDOW_SAVE_AREA_SIZE - STACK_ARG_SAVE_AREA_SIZE, 16);
+
+        sp[-1] = (uintptr_t) arg;
+        sp[-2] = (uintptr_t) main;
+
+        return ((uintptr_t) sp) - STACK_BIAS;
+}
+
 #endif