/*
* $Log$
+ * Revision 1.12 2004/08/14 19:37:57 rasky
+ * Merge da SC: macros.h, pool.h, BIT_CHANGE, nome dei processi, etc.
+ *
+ * Revision 1.11 2004/08/05 17:39:56 bernie
+ * Fix a Doxygen tag.
+ *
+ * Revision 1.10 2004/08/02 20:20:29 aleph
+ * Merge from project_ks
+ *
* Revision 1.9 2004/07/30 14:24:16 rasky
* Task switching con salvataggio perfetto stato di interrupt (SR)
* Kernel monitor per dump informazioni su stack dei processi
#include "compiler.h"
-//! Initialization value for registers in stack frame
-#define CPU_REG_INIT_VALUE(reg) 0
-
-// Macros for determining CPU endianess
+// Macros for determining CPU endianness
#define CPU_BIG_ENDIAN 0x1234
#define CPU_LITTLE_ENDIAN 0x3412
// Macros to include cpu-specific version of the headers
-#define CPU_HEADER(module) PP_STRINGIZE(PP_CAT4(module, _, CPU_ID, .h))
+#define CPU_HEADER(module) PP_STRINGIZE(PP_CAT3(module, _, CPU_ID).h)
#if CPU_I196
#define ENABLE_INTS do { asm(bfclr #0x0200,SR); asm(nop); } while (0)
#define DISABLE_IRQSAVE(x) \
- do { asm(move SR,x); asm(bfset #0x0200,SR); } while (0)
+ do { (void)x; asm(move SR,x); asm(bfset #0x0200,SR); } while (0)
#define ENABLE_IRQRESTORE(x) \
- do { asm(move x,SR); } while (0)
+ do { (void)x; asm(move x,SR); } while (0)
typedef uint16_t cpuflags_t;
typedef unsigned int cpustack_t;
typedef uint8_t cpuflags_t;
typedef uint8_t cpustack_t;
- #define CPU_REGS_CNT 32
- #define CPU_SAVED_REGS_CNT 18
+ /* Register counts include SREG too */
+ #define CPU_REGS_CNT 33
+ #define CPU_SAVED_REGS_CNT 19
#define CPU_STACK_GROWS_UPWARD 0
#define CPU_SP_ON_EMPTY_SLOT 1
#define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN
+
+ /*!
+ * Initialization value for registers in stack frame.
+ * The register index is not directly corrispondent to CPU
+ * register numbers. Index 0 is the SREG register: the initial
+ * value is all 0 but the interrupt bit (bit 7).
+ */
+ #define CPU_REG_INIT_VALUE(reg) (reg == 0 ? 0x80 : 0)
+
+#endif
+
+
+//! Default for macro not defined in the right arch section
+#ifndef CPU_REG_INIT_VALUE
+ #define CPU_REG_INIT_VALUE(reg) 0
#endif
/*!
- * \name SCHEDULER_IDLE
+ * \def SCHEDULER_IDLE
*
* \brief Invoked by the scheduler to stop the CPU when idle.
*
*/
#ifndef SCHEDULER_IDLE
#if defined(ARCH_EMUL) && (ARCH & ARCH_EMUL)
- /* This emulator hook should yeld the CPU to the host. */
+ /* This emulator hook should yield the CPU to the host. */
EXTERN_C_BEGIN
void SchedulerIdle(void);
EXTERN_C_END