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Fix ARM endianness detection for gcc.
[bertos.git]
/
cpu
/
attr.h
diff --git
a/cpu/attr.h
b/cpu/attr.h
index 497f899700d2712816480bd0792a53c4fd177dd9..5d0ce885d10436e861e41b9ceb81d01cf418dddf 100644
(file)
--- a/
cpu/attr.h
+++ b/
cpu/attr.h
@@
-102,13
+102,23
@@
#define CPU_SAVED_REGS_CNT 9
#define CPU_STACK_GROWS_UPWARD 0
#define CPU_SP_ON_EMPTY_SLOT 0
#define CPU_SAVED_REGS_CNT 9
#define CPU_STACK_GROWS_UPWARD 0
#define CPU_SP_ON_EMPTY_SLOT 0
- #define CPU_BYTE_ORDER (__BIG_ENDIAN__ ? CPU_BIG_ENDIAN : CPU_LITTLE_ENDIAN)
#define CPU_HARVARD 0
#ifdef __IAR_SYSTEMS_ICC__
#define CPU_HARVARD 0
#ifdef __IAR_SYSTEMS_ICC__
- #define NOP __no_operation()
+ #warning Check CPU_BYTE_ORDER
+ #define CPU_BYTE_ORDER (__BIG_ENDIAN__ ? CPU_BIG_ENDIAN : CPU_LITTLE_ENDIAN)
+
+ #define NOP __no_operation()
#else /* !__IAR_SYSTEMS_ICC__ */
#else /* !__IAR_SYSTEMS_ICC__ */
- #define NOP asm volatile ("mov r0,r0" ::)
+ #if defined(__ARMEB__)
+ #define CPU_BYTE_ORDER CPU_BIG_ENDIAN
+ #elif defined(__ARMEL__)
+ #define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
+ #else
+ #error Unable to detect ARM endianness!
+ #endif
+
+ #define NOP asm volatile ("mov r0,r0" ::)
/**
* Initialization value for registers in stack frame.
/**
* Initialization value for registers in stack frame.
@@
-258,7
+268,7
@@
/*
* If the kernel is in idle-spinning, the processor execute:
/*
* If the kernel is in idle-spinning, the processor execute:
- *
+ *
* IRQ_ENABLE;
* CPU_IDLE;
* IRQ_DISABLE;
* IRQ_ENABLE;
* CPU_IDLE;
* IRQ_DISABLE;