diff options
Diffstat (limited to 'frontend/3ds/3ds_utils.h')
-rw-r--r-- | frontend/3ds/3ds_utils.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/frontend/3ds/3ds_utils.h b/frontend/3ds/3ds_utils.h new file mode 100644 index 0000000..1f12b84 --- /dev/null +++ b/frontend/3ds/3ds_utils.h @@ -0,0 +1,68 @@ +#ifndef _3DS_UTILS_H +#define _3DS_UTILS_H + +#include <stdio.h> +#include <stdbool.h> + +#define MEMOP_PROT 6 +#define MEMOP_MAP 4 +#define MEMOP_UNMAP 5 + +void* linearMemAlign(size_t size, size_t alignment); +void linearFree(void* mem); + +int32_t svcDuplicateHandle(uint32_t* out, uint32_t original); +int32_t svcCloseHandle(uint32_t handle); +int32_t svcControlMemory(void* addr_out, void* addr0, void* addr1, uint32_t size, uint32_t op, uint32_t perm); +int32_t svcControlProcessMemory(uint32_t process, void* addr0, void* addr1, uint32_t size, uint32_t op, uint32_t perm); + +int32_t threadCreate(void *(*entrypoint)(void*), void* arg, size_t stack_size, int32_t prio, int32_t affinity, bool detached); +int32_t threadJoin(int32_t thread, int64_t timeout_ns); +void threadFree(int32_t thread); +void threadExit(int32_t rc) __attribute__((noreturn)); + +int32_t svcBackdoor(int32_t (*callback)(void)); + +#define DEBUG_HOLD() do{printf("%s@%s:%d.\n",__FUNCTION__, __FILE__, __LINE__);fflush(stdout);wait_for_input();}while(0) + +void wait_for_input(void); + +extern __attribute__((weak)) int __ctr_svchax; + +typedef int32_t (*ctr_callback_type)(void); + +static inline void ctr_invalidate_ICache_kernel(void) +{ + __asm__ volatile( + "cpsid aif\n\t" + "mov r0, #0\n\t" + "mcr p15, 0, r0, c7, c5, 0\n\t"); +} + +static inline void ctr_flush_DCache_kernel(void) +{ + __asm__ volatile( + "cpsid aif\n\t" + "mov r0, #0\n\t" + "mcr p15, 0, r0, c7, c10, 0\n\t"); +} + +static inline void ctr_invalidate_ICache(void) +{ + svcBackdoor((ctr_callback_type)ctr_invalidate_ICache_kernel); +} + +static inline void ctr_flush_DCache(void) +{ + svcBackdoor((ctr_callback_type)ctr_flush_DCache_kernel); +} + + +static inline void ctr_flush_invalidate_cache(void) +{ + ctr_flush_DCache(); + ctr_invalidate_ICache(); +} + + +#endif // _3DS_UTILS_H |