AT91SAM7: Increase flash access speed.

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

diff --git a/bertos/cpu/frame.h b/bertos/cpu/frame.h
index 90995a8a7c13c652d859532852a68487968b53aa..e8d0f898973458fe214c4ad1e5272b86ccda1ad1 100644 (file)
--- a/bertos/cpu/frame.h
+++ b/bertos/cpu/frame.h
@@ -52,19 +52,14 @@
 
 #if CPU_X86
        #if CPU_X86_32
-
                #define CPU_SAVED_REGS_CNT      2
-               #define CPU_STACK_GROWS_UPWARD  0
-               #define CPU_SP_ON_EMPTY_SLOT    0
-
        #elif CPU_X86_64
-
                #define CPU_SAVED_REGS_CNT      8
-               #define CPU_STACK_GROWS_UPWARD  0
-               #define CPU_SP_ON_EMPTY_SLOT    0
        #else
                #error "unknown CPU"
        #endif
+       #define CPU_STACK_GROWS_UPWARD  0
+       #define CPU_SP_ON_EMPTY_SLOT    0
 
 #elif CPU_ARM
 
@@ -72,6 +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
@@ -154,6 +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
@@ -214,15 +224,7 @@
  * in hosted environments such as emulators.
  */
 #ifndef CPU_IDLE
-       #if defined(ARCH_QT) && (ARCH & ARCH_QT)
-               /* This emulator hook should yield the CPU to the host.  */
-               EXTERN_C_BEGIN
-               void emul_idle(void);
-               EXTERN_C_END
-               #define CPU_IDLE emul_idle()
-       #else /* !ARCH_EMUL */
-               #define CPU_IDLE do { /* nothing */ } while (0)
-       #endif /* !ARCH_EMUL */
+       #define CPU_IDLE PAUSE
 #endif /* !CPU_IDLE */
 
 /**