Changeset 7bf29e5 in mainline for uspace/lib/c/arch/sparc64/include/libarch/thread.h

Timestamp:

2025-01-09T11:29:38Z (6 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

a5c2960e

Parents:

bc3d695 (diff), 4e1221c (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.

Message:

Merge 'upstream/master' into helenraid-para

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