cpu.h

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#ifndef _PSP2KERN_KERNEL_CPU_H_
#define _PSP2KERN_KERNEL_CPU_H_
 
#include <psp2kern/types.h>
#include <psp2kern/kernel/cpu/atomic.h>
#include <psp2kern/kernel/cpu/cache.h>
#include <psp2kern/kernel/cpu/corelock.h>
#include <psp2kern/kernel/cpu/mmu.h>
#include <psp2kern/kernel/cpu/ple.h>
#include <psp2kern/kernel/cpu/rw_spinlock.h>
#include <psp2kern/kernel/cpu/spinlock.h>
#include <psp2kern/kernel/sysclib.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define ENTER_SYSCALL(state) \
    do { \
        asm volatile ("mrc p15, 0, %0, c13, c0, 3" : "=r" (state)); \
        asm volatile ("mcr p15, 0, %0, c13, c0, 3" :: "r" (state << 16) : "memory"); \
    } while(0)
 
#define EXIT_SYSCALL(state) \
    do { \
        asm volatile ("mcr p15, 0, %0, c13, c0, 3" :: "r" (state) : "memory"); \
    } while (0)
 
 
int ksceKernelCpuId(void);
 
SceKernelIntrStatus ksceKernelCpuSuspendIntr(void);
 
SceKernelIntrStatus ksceKernelCpuResumeIntr(SceKernelIntrStatus prev_state);
 
 
// sceKernelDomainTextMemcpy removed from 3.63
#if PSP2_SDK_VERSION >= 0x3630000 && defined(__USE_SCE_KERNEL_DOMAIN_TEXT_MEMCPY_IMPORT)
#undef __USE_SCE_KERNEL_DOMAIN_TEXT_MEMCPY_IMPORT
#endif
 
#if defined(__USE_SCE_KERNEL_DOMAIN_TEXT_MEMCPY_IMPORT)
int ksceKernelDomainTextMemcpy(void *dst, const void *src, SceSize len);
#else
static inline int ksceKernelDomainTextMemcpy(void *dst, const void *src, SceSize len)
{
    SceUInt32 prev_dacr;
 
    asm volatile("mrc p15, 0, %0, c3, c0, 0" : "=r" (prev_dacr));
    asm volatile("mcr p15, 0, %0, c3, c0, 0" :: "r" (0xFFFF0000));
 
    memcpy(dst, src, len);
 
    ksceKernelDcacheCleanRangeForL1WBWA((void *)(((uintptr_t)dst) & ~0x1F), ((((uintptr_t)dst) + len + 0x1F) & ~0x1F) - (((uintptr_t)dst) & ~0x1F));
 
    asm volatile("mcr p15, 0, %0, c3, c0, 0" :: "r" (prev_dacr));
 
    return SCE_OK;
}
#endif
 
 
// sceKernelGetVmaccessRange had prototype changed in some times
void ksceKernelGetVmaccessRange(SceUIntPtr *pRangeStart, SceUIntPtr *pRangeEnd);
 
void ksceKernelCpuBranchPredictorInvalidateAll(void);
void ksceKernelCpuBranchPredictorInvalidateAllIS(void);
 
SceUInt8 ksceKernelCpuGetCONTEXTIDR(void);
void ksceKernelCpuUpdateSCTLR(void);
 
SceBool ksceKernelIsUncacheAddressInTmpFsGame(void *address);
 
 
#ifdef __cplusplus
}
#endif
 
#endif /* _PSP2KERN_KERNEL_CPU_H_ */