#ifndef PR_OS_EXCEPTION_H
#define PR_OS_EXCEPTION_H

#include "ultratypes.h"


typedef u32 OSIntMask;
typedef u32 OSHWIntr;

/* Flags for debugging purpose */

#define OS_FLAG_CPU_BREAK   1   /* Break exception has occurred */
#define OS_FLAG_FAULT       2   /* CPU fault has occurred */

/* Interrupt masks */

#define OS_IM_NONE      0x00000001
#define OS_IM_RCP       0x00000401
#define OS_IM_SW1       0x00000501
#define OS_IM_SW2       0x00000601
#define OS_IM_CART      0x00000c01
#define OS_IM_PRENMI    0x00001401
#define OS_IM_RDBWRITE  0x00002401
#define OS_IM_RDBREAD   0x00004401
#define OS_IM_COUNTER   0x00008401
#define OS_IM_CPU       0x0000FF01
#define OS_IM_SP        0x00010401
#define OS_IM_SI        0x00020401
#define OS_IM_AI        0x00040401
#define OS_IM_VI        0x00080401
#define OS_IM_PI        0x00100401
#define OS_IM_DP        0x00200401
#define OS_IM_ALL       0x003FFF01
#define RCP_IMASK       0x003F0000
#define RCP_IMASKSHIFT  16


OSIntMask osGetIntMask(void);
OSIntMask osSetIntMask(OSIntMask im);


// Internal
void __osSetHWIntrRoutine(OSHWIntr interrupt, s32 (*handler)(void), void* stackEnd);
void __osGetHWIntrRoutine(OSHWIntr interrupt, s32 (**handler)(void), void** stackEnd);
void __osSetGlobalIntMask(OSHWIntr mask);
void __osResetGlobalIntMask(OSHWIntr mask);


#endif