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lm3s1968: make __delay() naked and usable outside the clock module.
[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
#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
#elif CPU_PPC
#define CPU_SAVED_REGS_CNT 1
@@
-149,6
+155,15
@@
CPU_PUSH_WORD((sp), 0x100); \
} while (0);
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
#elif CPU_AVR
/*
* On AVR, addresses are pushed into the stack as little-endian, while