CM3: define specific architecture attributes.

[bertos.git] / bertos / cpu / frame.h

diff --git a/bertos/cpu/frame.h b/bertos/cpu/frame.h
index 9fd55b0b4b006eb94f3cc503c10017fe7a7ff991..e8d0f898973458fe214c4ad1e5272b86ccda1ad1 100644 (file)
--- a/bertos/cpu/frame.h
+++ b/bertos/cpu/frame.h
@@ -69,7 +69,7 @@
 
 #elif CPU_CM3
 
-       #define CPU_SAVED_REGS_CNT     fixme
+       #define CPU_SAVED_REGS_CNT     8
        #define CPU_STACK_GROWS_UPWARD 0
        #define CPU_SP_ON_EMPTY_SLOT   0
 
@@ -155,6 +155,15 @@
                        CPU_PUSH_WORD((sp), 0x100); \
                } while (0);
 
+#elif CPU_CM3
+
+
+       #define CPU_PUSH_CALL_FRAME(sp, func) \
+               do { \
+                       CPU_PUSH_WORD((sp), 0x01000000);          /* xPSR  */   \
+                       CPU_PUSH_WORD((sp), (cpu_stack_t)(func)); /* lr  */     \
+               } while (0);
+
 #elif CPU_AVR
        /*
         * On AVR, addresses are pushed into the stack as little-endian, while