/*#*
*#* $Log$
+ *#* Revision 1.21 2004/11/16 21:34:25 bernie
+ *#* Commonize obsolete names for IRQ macros; Doxygen fixes.
+ *#*
*#* Revision 1.20 2004/11/16 20:33:32 bernie
*#* CPU_HARVARD: New macro.
*#*
#include "compiler.h" /* for uintXX_t, PP_CAT3(), PP_STRINGIZE() */
-// Macros for determining CPU endianness
+/*!
+ * \name Macros for determining CPU endianness.
+ * \{
+ */
#define CPU_BIG_ENDIAN 0x1234
#define CPU_LITTLE_ENDIAN 0x3412
+/*\}*/
-// Macros to include cpu-specific version of the headers
+/*! Macro to include cpu-specific versions of the headers. */
#define CPU_HEADER(module) PP_STRINGIZE(PP_CAT3(module, _, CPU_ID).h)
#if CPU_I196
- #define DISABLE_INTS disable_interrupt()
- #define ENABLE_INTS enable_interrupt()
#define NOP nop_instruction()
+ #define IRQ_DISABLE disable_interrupt()
+ #define IRQ_ENABLE enable_interrupt()
typedef uint16_t cpuflags_t; // FIXME
typedef unsigned int cpustack_t;
#elif CPU_X86
#define NOP asm volatile ("nop")
- #define DISABLE_INTS /* nothing */
- #define ENABLE_INTS /* nothing */
+ #define IRQ_DISABLE /* nothing */
+ #define IRQ_ENABLE /* nothing */
typedef uint32_t cpuflags_t; // FIXME
typedef uint32_t cpustack_t;
#elif CPU_DSP56K
#define NOP asm(nop)
- #define DISABLE_INTS do { asm(bfset #0x0200,SR); asm(nop); } while (0)
- #define ENABLE_INTS do { asm(bfclr #0x0200,SR); asm(nop); } while (0)
+ #define IRQ_DISABLE do { asm(bfset #0x0200,SR); asm(nop); } while (0)
+ #define IRQ_ENABLE do { asm(bfclr #0x0200,SR); asm(nop); } while (0)
- #define DISABLE_IRQSAVE(x) \
+ #define IRQ_SAVE_DISABLE(x) \
do { (void)x; asm(move SR,x); asm(bfset #0x0200,SR); } while (0)
- #define ENABLE_IRQRESTORE(x) \
+ #define IRQ_RESTORE(x) \
do { (void)x; asm(move x,SR); } while (0)
+
typedef uint16_t cpuflags_t;
typedef unsigned int cpustack_t;
#define CPU_STACK_GROWS_UPWARD 1
#define CPU_SP_ON_EMPTY_SLOT 0
#define CPU_BYTE_ORDER CPU_BIG_ENDIAN
- #define CPU_HARVARD 1
/* Memory is word-addessed in the DSP56K */
#define CPU_BITS_PER_CHAR 16
(bool)(sreg & 0x80); \
})
- /* OBSOLETE NAMES */
- #define DISABLE_INTS IRQ_DISABLE
- #define ENABLE_INTS IRQ_ENABLE
- #define DISABLE_IRQSAVE(x) IRQ_SAVE_DISABLE(x)
- #define ENABLE_IRQRESTORE(x) IRQ_RESTORE(x)
-
typedef uint8_t cpuflags_t;
typedef uint8_t cpustack_t;
#define CPU_STACK_GROWS_UPWARD 0
#define CPU_SP_ON_EMPTY_SLOT 1
#define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
- #define CPU_HARVARD 1
/*!
* Initialization value for registers in stack frame.
#endif
+/* OBSOLETE NAMES */
+#define DISABLE_INTS IRQ_DISABLE
+#define ENABLE_INTS IRQ_ENABLE
+#define DISABLE_IRQSAVE(x) IRQ_SAVE_DISABLE(x)
+#define ENABLE_IRQRESTORE(x) IRQ_RESTORE(x)
+
/*!
* Execute \a CODE atomically with respect to interrupts.
*
#if CPU_DSP56K
- /* DSP56k pushes both PC and SR to the stack in the JSR instruction, but
+ /*
+ * DSP56k pushes both PC and SR to the stack in the JSR instruction, but
* RTS discards SR while returning (it does not restore it). So we push
* 0 to fake the same context.
*/
} while (0);
#elif CPU_AVR
- /* In AVR, the addresses are pushed into the stack as little-endian, while
+ /*
+ * In AVR, the addresses are pushed into the stack as little-endian, while
* memory accesses are big-endian (actually, it's a 8-bit CPU, so there is
* no natural endianess).
*/