excpmgr.h

Go to the documentation of this file.

 
#ifndef _PSP2KERN_KERNEL_EXCPMGR_H_
#define _PSP2KERN_KERNEL_EXCPMGR_H_
 
#include <vitasdk/build_utils.h>
#include <psp2kern/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum SceExcpKind {
    SCE_EXCP_RESET                = 0,
    SCE_EXCP_UNDEF_INSTRUCTION    = 1,
    SCE_EXCP_SVC                  = 2,
    SCE_EXCP_PABT                 = 3,
    SCE_EXCP_DABT                 = 4,
    SCE_EXCP_UNUSED               = 5,
    SCE_EXCP_IRQ                  = 6,
    SCE_EXCP_FIQ                  = 7
} SceExcpKind;
 
typedef enum SceExcpHandlingCode {
    SCE_EXCPMGR_EXCEPTION_HANDLED = 0,      
    SCE_EXCPMGR_EXCEPTION_NOT_HANDLED = 1,  
    SCE_EXCPMGR_EXCEPTION_HANDLING_CODE_2 = 2,  
    SCE_EXCPMGR_EXCEPTION_NOT_HANDLED_FATAL = 3,
    SCE_EXCPMGR_EXCEPTION_HANDLING_CODE_4 = 4   
} SceExcpHandlingCode;
    
typedef struct SceExcpmgrData { //Data in each array is per-CPU core
    int nestedExceptionCount[4];    
    int unused[4];          
    void *ExcpStackTop[4];      
    void *ExcpStackBottom[4];       
} SceExcpmgrData;
VITASDK_BUILD_ASSERT_EQ(0x40, SceExcpmgrData);
 
typedef struct SceExcpmgrExceptionContext { 
    uint32_t r0;
    uint32_t r1;
    uint32_t r2;
    uint32_t r3;
    uint32_t r4;
    uint32_t r5;
    uint32_t r6;
    uint32_t r7;
    uint32_t r8;
    uint32_t r9;
    uint32_t r10;
    uint32_t r11;
    uint32_t r12;
    uint32_t sp;
    uint32_t lr;
    uint32_t address_of_faulting_instruction;   //<! Address where the faulty instruction is located
    SceExcpKind ExceptionKind;          //<! The kind of exception the CPU encountered
    uint32_t SPSR;
    uint32_t CPACR;
    uint32_t FPSCR;
    uint32_t FPEXC;
    uint32_t CONTEXTIDR;
    uint32_t TPIDRURW;
    uint32_t TPIDRURO;
    uint32_t TPIDRPRW;
    uint32_t TTBR1;
    uint32_t unused68;
    uint32_t DACR;
    uint32_t DFSR;
    uint32_t IFSR;
    uint32_t DFAR;
    uint32_t IFAR;
    uint32_t PAR;
    uint32_t TEEHBR;
    uint32_t PMCR;
    uint32_t PMCNTENSET;
    uint32_t PMCNTENSET_2; //<! Second copy of PMCNTENSET
    uint32_t PMSELR;
    uint32_t PMCCNTR;
    uint32_t PMUSERENR;
    uint32_t PMXEVTYPER0;
    uint32_t PMXEVCNTR0;
    uint32_t PMXEVTYPER1;
    uint32_t PMXEVCNTR1;
    uint32_t PMXEVTYPER2;
    uint32_t PMXEVCNTR2;
    uint32_t PMXEVTYPER3;
    uint32_t PMXEVCNTR3;
    uint32_t PMXEVTYPER4;
    uint32_t PMXEVCNTR4;
    uint32_t PMXEVTYPER5;
    uint32_t PMXEVCNTR5;
    uint32_t unusedD0;
    uint32_t unkD4;         //<! Comes from SceVfpIntRegs memblock
    uint32_t DBGSCRext;
    uint32_t unusedDC[9];
    uint64_t VFP_registers[32]; //<! Content of floating-point registers d0-d31
    uint32_t unk200[128];       //<! Comes from SceVfpIntRegs memblock
} SceExcpmgrExceptionContext;
VITASDK_BUILD_ASSERT_EQ(0x400, SceExcpmgrExceptionContext);
 
typedef void(SceExcpmgrExceptionHandler)(SceExcpmgrExceptionContext* context, SceExcpHandlingCode code); //<! Exception handler function
 
SceExcpmgrData *ksceExcpmgrGetData(void);
 
int ksceExcpmgrRegisterHandler(SceExcpKind kind, int priority, void *handler);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _PSP2KERN_KERNEL_EXCPMGR_H_ */