/*#*
*#* $Log$
+ *#* Revision 1.8 2006/02/10 12:37:45 bernie
+ *#* Add support for ARM on IAR.
+ *#*
+ *#* Revision 1.7 2005/11/27 03:04:38 bernie
+ *#* Add POSIX emulation for IRQ_* macros; Add Qt support.
+ *#*
*#* Revision 1.6 2005/07/19 07:26:49 bernie
*#* Add missing #endif.
*#*
#elif CPU_X86
#define NOP asm volatile ("nop")
- #define IRQ_DISABLE FIXME
- #define IRQ_ENABLE FIXME
- #define IRQ_SAVE_DISABLE(x) FIXME
- #define IRQ_RESTORE(x) FIXME
- typedef uint32_t cpuflags_t; // FIXME
+ /* Get IRQ_* definitions from the hosting environment. */
+ #include <cfg/os.h>
+ #if OS_EMBEDDED
+ #define IRQ_DISABLE FIXME
+ #define IRQ_ENABLE FIXME
+ #define IRQ_SAVE_DISABLE(x) FIXME
+ #define IRQ_RESTORE(x) FIXME
+ typedef uint32_t cpuflags_t; // FIXME
+ #endif /* OS_EMBEDDED */
+
#define CPU_REGS_CNT 7
#define CPU_STACK_GROWS_UPWARD 0
#define CPU_REG_BITS 32
#endif
+#elif CPU_ARM
+
+ #ifdef __IAR_SYSTEMS_ICC__
+
+ #include <inarm.h>
+
+ #define NOP __no_operation()
+ #define IRQ_DISABLE __disable_interrupt()
+ #define IRQ_ENABLE __enable_interrupt()
+
+ #define IRQ_SAVE_DISABLE(x) \
+ do { \
+ (x) = __get_CPSR(); \
+ __disable_interrupt(); \
+ } while (0)
+
+ #define IRQ_RESTORE(x) \
+ do { \
+ __set_CPSR(x); \
+ } while (0)
+
+ #define IRQ_GETSTATE() \
+ ((bool)(__get_CPSR() & 0xb0))
+
+ #else /* __IAR_SYSTEMS_ICC__ */
+
+ #warning "IRQ_ macros need testing!"
+
+ #define NOP asm volatile ("mov r0,r0" ::)
+
+ #define IRQ_DISABLE \
+ do { \
+ asm volatile ( \
+ "mrs r0, cpsr\n\t" \
+ "orr r0, r0, #0xb0\n\t" \
+ "msr cpsr, r0" \
+ :: \
+ ); \
+ } while (0)
+
+ #define IRQ_ENABLE \
+ do { \
+ asm volatile ( \
+ "mrs r0, cpsr\n\t" \
+ "bic r0, r0, #0xb0\n\t" \
+ "msr cpsr, r0" \
+ :: \
+ ); \
+ } while (0)
+
+ #define IRQ_SAVE_DISABLE(x) \
+ do { \
+ asm volatile ( \
+ "mrs r0, cpsr\n\t" \
+ "mov %0, r0\n\t" \
+ "orr r0, r0, #0xb0\n\t" \
+ "msr cpsr, r0" \
+ : "=r" (x) \
+ : /* no inputs */ \
+ : "r0" \
+ ); \
+ } while (0)
+
+ #define IRQ_RESTORE(x) \
+ do { \
+ asm volatile ( \
+ "mov r0, %0\n\t" \
+ "msr cpsr, r0" \
+ : /* no outputs */ \
+ : "r" (x) \
+ : "r0" \
+ ); \
+ } while (0)
+
+ #define IRQ_GETSTATE() \
+ ({ \
+ uint32_t sreg; \
+ asm volatile ( \
+ "mrs r0, cpsr\n\t" \
+ "mov %0, r0" \
+ : "=r" (sreg)
+ : /* no inputs */
+ : "r0" \
+ ); \
+ (bool)(sreg & 0xb0); \
+ })
+
+ #endif /* __IAR_SYSTEMS_ICC_ */
+
+ typedef uint32_t cpuflags_t;
+ typedef uint32_t cpustack_t;
+
+ /* Register counts include SREG too */
+ #define CPU_REG_BITS 32
+ #define CPU_REGS_CNT 16
+ #define CPU_SAVED_REGS_CNT FIXME
+ #define CPU_STACK_GROWS_UPWARD 0 //FIXME
+ #define CPU_SP_ON_EMPTY_SLOT 0 //FIXME
+ #define CPU_BYTE_ORDER (__BIG_ENDIAN__ ? CPU_BIG_ENDIAN : CPU_LITTLE_ENDIAN)
+ #define CPU_HARVARD 0
+
#elif CPU_PPC
#define NOP asm volatile ("nop" ::)
+
#define IRQ_DISABLE FIXME
#define IRQ_ENABLE FIXME
#define IRQ_SAVE_DISABLE(x) FIXME