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#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
#define GET_VERSION_MAJOR(version) ((version) >>24)
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 svcGetSystemInfo(int64_t* out, uint32_t type, int32_t param);
int32_t svcCreateSemaphore(uint32_t *sem, int32_t initial_count, uint32_t max_count);
int32_t svcReleaseSemaphore(int32_t *count, uint32_t sem, int32_t release_count);
int32_t svcWaitSynchronization(uint32_t handle, int64_t nanoseconds);
typedef int32_t LightLock;
void LightLock_Init(LightLock* lock);
void LightLock_Lock(LightLock* lock);
int LightLock_TryLock(LightLock* lock);
void LightLock_Unlock(LightLock* lock);
int32_t APT_CheckNew3DS(bool *out);
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;
bool has_rosalina;
static void check_rosalina() {
int64_t version;
uint32_t major;
has_rosalina = false;
if (!svcGetSystemInfo(&version, 0x10000, 0)) {
major = GET_VERSION_MAJOR(version);
if (major >= 8)
has_rosalina = true;
}
}
void ctr_clear_cache(void);
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)
{
if (has_rosalina) {
ctr_clear_cache();
} else {
ctr_flush_DCache();
ctr_invalidate_ICache();
}
}
#endif // _3DS_UTILS_H
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