#include "3ds_utils.h" #define GET_VERSION_MAJOR(version) ((version) >>24) typedef int (*ctr_callback_type)(void); int srvGetServiceHandle(unsigned int* out, const char* name); int svcCloseHandle(unsigned int handle); int svcBackdoor(ctr_callback_type); int32_t svcGetSystemInfo(int64_t* out, uint32_t type, int32_t param); void ctr_clear_cache(void); static int has_rosalina; void check_rosalina(void) { int64_t version; uint32_t major; has_rosalina = 0; if (!svcGetSystemInfo(&version, 0x10000, 0)) { major = GET_VERSION_MAJOR(version); if (major >= 8) has_rosalina = 1; } } static void ctr_enable_all_svc_kernel(void) { __asm__ volatile("cpsid aif"); unsigned int* svc_access_control = *(*(unsigned int***)0xFFFF9000 + 0x22) - 0x6; svc_access_control[0]=0xFFFFFFFE; svc_access_control[1]=0xFFFFFFFF; svc_access_control[2]=0xFFFFFFFF; svc_access_control[3]=0x3FFFFFFF; } static void ctr_enable_all_svc(void) { svcBackdoor((ctr_callback_type)ctr_enable_all_svc_kernel); } static void ctr_clean_invalidate_kernel(void) { __asm__ volatile( "mrs r1, cpsr\n" "cpsid aif\n" // disable interrupts "mov r0, #0\n" "mcr p15, 0, r0, c7, c10, 0\n" // clean dcache "mcr p15, 0, r0, c7, c10, 4\n" // DSB "mcr p15, 0, r0, c7, c5, 0\n" // invalidate icache+BTAC "msr cpsr_cx, r1\n" // restore interrupts ::: "r0", "r1"); } void ctr_flush_invalidate_cache(void) { if (has_rosalina) { ctr_clear_cache(); } else { // __asm__ volatile("svc 0x2E\n\t"); // __asm__ volatile("svc 0x4B\n\t"); svcBackdoor((ctr_callback_type)ctr_clean_invalidate_kernel); } } int ctr_svchack_init(void) { extern unsigned int __ctr_svchax; extern unsigned int __service_ptr; if(__ctr_svchax) return 1; /* All services have already been enabled */ if(__service_ptr) return 0; /* CFW */ ctr_enable_all_svc(); return 1; }