git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5176 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 9 insertions, 5 deletions

diff --git a/os/ports/GCC/PPC/chcore.c b/os/ports/GCC/PPC/chcore.c
index 8403e0171..c3170c6cf 100644
--- a/os/ports/GCC/PPC/chcore.c
+++ b/os/ports/GCC/PPC/chcore.c
@@ -67,11 +67,11 @@ void port_halt(void) {
  * @param[in] ntp       the thread to be switched in

  * @param[in] otp       the thread to be switched out

  */

-void port_switch(Thread *ntp, Thread *otp) {

-

-  (void)otp;

-  (void)ntp;

+__attribute__((naked))

+void port_dummy1(void) {

 

+  asm (".global _port_switch");

+  asm ("_port_switch:");

   asm ("subi        %sp, %sp, 80");     /* Size of the intctx structure.    */

   asm ("mflr        %r0");

   asm ("stw         %r0, 84(%sp)");     /* LR into the caller frame.        */

@@ -88,6 +88,7 @@ void port_switch(Thread *ntp, Thread *otp) {
   asm ("lwz         %r0, 84(%sp)");     /* LR from the caller frame.        */

   asm ("mtlr        %r0");

   asm ("addi        %sp, %sp, 80");     /* Size of the intctx structure.    */

+  asm ("blr");

 }

 

 /**

@@ -95,8 +96,11 @@ void port_switch(Thread *ntp, Thread *otp) {
  * @details If the work function returns @p chThdExit() is automatically

  *          invoked.

  */

-void _port_thread_start(void) {

+__attribute__((naked))

+void port_dummy2(void) {

 

+  asm (".global _port_thread_start");

+  asm ("_port_thread_start:");

   chSysUnlock();

   asm ("mr          %r3, %r31");        /* Thread parameter.                */

   asm ("mtctr       %r30");