cfinter.h

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/*NB_REVISION*/
 
/*NB_COPYRIGHT*/
 
#ifndef _COLDFIRE_INTERRUPT_H
#define _COLDFIRE_INTERRUPT_H
 
#ifdef __cplusplus
 
#ifdef _NBRTOS_H
 
#define INTERRUPT(x, y) \
 extern "C" \
 { \
 void real_##x(); \
 void x(); \
 } \
 void fake_##x() \
 { \
 __asm__(".global " #x); \
 __asm__(#x ":"); \
 __asm__("move.w #0x2700,%sr "); \
 __asm__("lea -60(%a7),%a7 "); \
 __asm__("movem.l %d0-%d7/%a0-%a6,(%a7) "); \
 __asm__("move.l (OSISRLevel32),%d0 "); \
 __asm__("move.l %d0,-(%sp) "); \
 __asm__("move.l (OSIntNesting),%d0"); \
 __asm__("addq.l #1,%d0"); \
 __asm__("move.l %d0,(OSIntNesting)"); \
 __asm__("move.l #" #y ",%d0 "); \
 __asm__("move.w %d0,%sr "); \
 __asm__("move.l %d0,(OSISRLevel32)"); \
 __asm__("jsr real_" #x); \
 __asm__("move.l (%sp)+,%d0 "); \
 __asm__("move.l %d0,(OSISRLevel32)"); \
 __asm__(" jsr OSIntExit "); \
 __asm__("movem.l (%a7),%d0-%d7/%a0-%a6 "); \
 __asm__("lea 60(%a7),%a7 "); \
 __asm__("rte"); \
 } \
 void real_##x()
 
#else
#error NBRTOS must be included
#endif
 
#else /*Do C version */
 
#ifdef _NBRTOS_H
#define INTERRUPT(x, y) \
 void x(); \
 void fake_##x() \
 { \
 __asm__(".global " #x); \
 __asm__(#x ":"); \
 __asm__("move.w #0x2700,%sr "); \
 __asm__("lea -60(%a7),%a7 "); \
 __asm__("movem.l %d0-%d7/%a0-%a6,(%a7) "); \
 __asm__("move.l (OSISRLevel32),%d0 "); \
 __asm__("move.l %d0,-(%sp) "); \
 __asm__("move.l (OSIntNesting),%d0"); \
 __asm__("addq.l #1,%d0"); \
 __asm__("move.l %d0,(OSIntNesting)"); \
 __asm__("move.l #" #y ",%d0 "); \
 __asm__("move.w %d0,%sr "); \
 __asm__("move.l %d0,(OSISRLevel32)"); \
 __asm__("jsr real_" #x); \
 __asm__("move.l (%sp)+,%d0 "); \
 __asm__("move.l %d0,(OSISRLevel32)"); \
 __asm__(" jsr OSIntExit "); \
 __asm__("movem.l (%a7),%d0-%d7/%a0-%a6 "); \
 __asm__("lea 60(%a7),%a7 "); \
 __asm__("rte"); \
 } \
 void real_##x()
#else
#error NBRTOS must be included
#endif
#endif /*C Version */
 
/*----------------------------------------------------------------------------------------------------
 * The following definitions define the vector offset for various predefined vectors on the coldfire. 
 *----------------------------------------------------------------------------------------------------*/
#define CF_ACCESSERROR_VECTOR 2
#define CF_ADDRESSERROR_VECTOR 3
#define CF_ILLEGAL_INSTRUCTION_VECTOR 4
#define CF_PRIVLEDGE_VIOLATION_VECTOR 8
#define CF_TRACE_VECTOR 9
#define CF_UNIMPLMENTED_A_VECTOR 10
#define CF_UNIMPLMENTED_F_VECTOR 11
#define CF_DEBUG_INTERRUPT 12
#define CF_FORMAT_ERR_VECTOR 14
#define CF_UNINITIALIZED_VECTOR 15
#define CF_SPURIOUS_INT_VECTOR 24
#define CF_AUTOVECTOR_IRQ1 25
#define CF_AUTOVECTOR_IRQ2 26
#define CF_AUTOVECTOR_IRQ3 27
#define CF_AUTOVECTOR_IRQ4 28
#define CF_AUTOVECTOR_IRQ5 29
#define CF_AUTOVECTOR_IRQ6 30
#define CF_AUTOVECTOR_IRQ7 31
#define CF_TRAP0_VECTOR 32
#define CF_TRAP1_VECTOR 33
#define CF_TRAP2_VECTOR 34
#define CF_TRAP3_VECTOR 35
#define CF_TRAP4_VECTOR 36
#define CF_TRAP5_VECTOR 37
#define CF_TRAP6_VECTOR 38
#define CF_TRAP7_VECTOR 39
#define CF_TRAP8_VECTOR 40
#define CF_TRAP9_VECTOR 41
#define CF_TRAP10_VECTOR 42
#define CF_TRAP11_VECTOR 43
#define CF_TRAP12_VECTOR 44
#define CF_TRAP13_VECTOR 45
#define CF_TRAP14_VECTOR 46
#define CF_TRAP15_VECTOR 47
#define CF_USER_BASE_VECTOR 64
 
extern "C"
{
 /*---------------------------------------------------------------
 * This gets the current interrupt mask level in the SR register. 
 * You must have supervisor privileges to use this macro. 
 *---------------------------------------------------------------*/
 uint16_t GetSR_IntLevel();
 
 /*------------------------------------------------------------
 * The following macro sets the interrupt mask level in the SR. 
 * You must have supervisor privileges to use this macro. 
 *------------------------------------------------------------*/
 void SetSR_IntLevel(uint16_t sv);
}
 
#endif