AT91SAM7: Increase flash access speed.

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

diff --git a/bertos/cpu/frame.h b/bertos/cpu/frame.h
index e5c564686c7280895e488b452dd0a16fc28c17f8..e8d0f898973458fe214c4ad1e5272b86ccda1ad1 100644 (file)
--- a/bertos/cpu/frame.h
+++ b/bertos/cpu/frame.h
@@ -67,6 +67,12 @@
        #define CPU_STACK_GROWS_UPWARD 0
        #define CPU_SP_ON_EMPTY_SLOT   0
 
+#elif CPU_CM3
+
+       #define CPU_SAVED_REGS_CNT     8
+       #define CPU_STACK_GROWS_UPWARD 0
+       #define CPU_SP_ON_EMPTY_SLOT   0
+
 #elif CPU_PPC
 
        #define CPU_SAVED_REGS_CNT     1
@@ -149,6 +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