Changeset c6d130c in mainline

Timestamp:

2010-01-02T18:50:48Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

3c01906, e405228

Parents:

c83d2b4

Message:

Create the initial stack frame in task and thread entry points.

Location:

uspace/lib/libc/arch/ppc32/src

Files:

• entry.s (modified) (1 diff)
• thread_entry.s (modified) (1 diff)

uspace/lib/libc/arch/ppc32/src/entry.s

@@ -38 +38 @@
 #
 __entry:
+        #
+        # Create the first stack frame.
+        #
+        li %r3, 0
+        stw %r3, 0(%r1)
+        stwu %r1, -16(%r1)
+
         # Pass the PCB pointer to __main() as the first argument.
         # The first argument is passed in r3.

uspace/lib/libc/arch/ppc32/src/thread_entry.s

@@ -35 +35 @@
 #
 __thread_entry:
+        #
+        # Create the first stack frame.
+        #
+        li %r4, 0
+        stw %r4, 0(%r1)
+        stwu %r1, -16(%r1)
+
         b __thread_main