Remove unneeded push.

The push of xPSR when the kernel is cooperative is not needed and even dangerous.
The ARM EABI states that the stack at functions entry should be aligned to a 64bit
boundary.
Since the space reserved for xPSR was never popped out, the stack was misaligned!

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4612 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/cpu/frame.h b/bertos/cpu/frame.h
index 7420dddd1f2379eba43885b7f53cfc9fcf2fe5ad..63d341cf1db379d159d3f4b0d99e162ece2a9e5f 100644 (file)
--- a/bertos/cpu/frame.h
+++ b/bertos/cpu/frame.h
@@ -193,12 +193,6 @@
                                CPU_PUSH_WORD(stack, IRQ_PRIO_DISABLED); \
                        } while (0)
 
-       #else /* !CONFIG_KERN_PREEMPT */
-               #define CPU_PUSH_CALL_FRAME(sp, func) \
-                       do { \
-                               CPU_PUSH_WORD((sp), 0x01000000);                /* xPSR    */   \
-                               CPU_PUSH_WORD((sp), (cpu_stack_t)(func));       /* pc      */   \
-                       } while (0);
        #endif /* CONFIG_KERN_PREEMPT */
 
 #elif CPU_AVR