address_space.h

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#ifndef _PSP2KERN_KERNEL_SYSMEM_ADDRESS_SPACE_H_
#define _PSP2KERN_KERNEL_SYSMEM_ADDRESS_SPACE_H_
 
#include <vitasdk/build_utils.h>
#include <psp2kern/types.h>
#include <psp2kern/kernel/sysclib.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
int ksceKernelVAtoPA(const void *va, uintptr_t *pa);
 
int ksceKernelVARangeToPARange(const SceKernelVARange *va_range, SceKernelPARange *pa_range);
 
int ksceKernelVARangeToPAVector(const SceKernelVARange *va_range, SceKernelPAVector *pa_vector);
 
typedef struct SceKernelProcessContext {
    SceUInt32 TTBR1;
    SceUInt32 DACR;
    SceUInt32 CONTEXTIDR;
} SceKernelProcessContext;
VITASDK_BUILD_ASSERT_EQ(0xC, SceKernelProcessContext);
 
 
int ksceKernelProcessGetContext(SceUID pid, SceKernelProcessContext **ctx);
 
int ksceKernelProcessSwitchContext(const SceKernelProcessContext *new_context, SceKernelProcessContext *prev_context);
 
 
int ksceKernelAddressSpaceFreeAllMemBlock(SceUID guid);
int ksceKernelAddressSpaceSetPhyMemPart(SceUID guid, SceUInt32 index, void *pPhyMemPart);
int ksceKernelAddressSpaceUnmap(SceUID uid, int a2, int a3, void* addr, SceSize size);
int ksceKernelAddressSpaceVAtoPA(void *pAS, SceUInt32 mode, void *pVA, void **pPA);
SceUID ksceKernelCreateAddressSpace(SceUID pid, const char *name, SceUInt32 type, void *pOpt);
int ksceKernelDeleteAddressSpace(SceUID guid);
 
 
#if defined(PSP2_SDK_VERSION) && PSP2_SDK_VERSION <= 0x1692000
int ksceKernelSwitchVmaForPid(SceUID pid);
#endif
 
 
/* For backwards compatibility */
 
#define ksceKernelGetPidContext ksceKernelProcessGetContext
#define ksceKernelSwitchPidContext ksceKernelProcessSwitchContext
#define ksceKernelGetPaddr(va, pa) ksceKernelVAtoPA(va, pa)
#define ksceKernelGetPaddrList(input, list) ksceKernelVARangeToPAVector((const SceKernelVARange *)input, list)
 
static inline SceInt32 ksceKernelCpuSaveContext(SceKernelProcessContext *context)
{
    int res;
    SceKernelProcessContext *ctx;
 
    res = ksceKernelProcessGetContext(SCE_KERNEL_PROCESS_ID_SELF, &ctx);
    if(res < 0){
        return res;
    }
 
    memcpy(context, ctx, sizeof(*context));
 
    return 0;
}
 
static inline SceInt32 ksceKernelCpuRestoreContext(const SceKernelProcessContext *context)
{
    return ksceKernelProcessSwitchContext(context, NULL);
}
 
 
#ifdef __cplusplus
}
#endif
 
#endif /* _PSP2KERN_KERNEL_SYSMEM_ADDRESS_SPACE_H_ */