mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-23 04:41:12 +00:00
98 lines
No EOL
2.2 KiB
C++
98 lines
No EOL
2.2 KiB
C++
#include <cstdlib>
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#include <cstdint>
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#include <cstring>
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#include <malloc.h>
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#include <switch.h>
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#include <stratosphere.hpp>
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#define PMC_BASE 0x7000E400
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extern "C" {
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extern u32 __start__;
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u32 __nx_applet_type = AppletType_None;
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#define INNER_HEAP_SIZE 0x200000
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size_t nx_inner_heap_size = INNER_HEAP_SIZE;
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char nx_inner_heap[INNER_HEAP_SIZE];
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void __libnx_initheap(void);
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void __appInit(void);
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void __appExit(void);
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}
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void __libnx_initheap(void) {
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void* addr = nx_inner_heap;
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size_t size = nx_inner_heap_size;
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/* Newlib */
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extern char* fake_heap_start;
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extern char* fake_heap_end;
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fake_heap_start = (char*)addr;
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fake_heap_end = (char*)addr + size;
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}
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void __appInit(void) {
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Result rc;
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/* Initialize services we need (TODO: SPL, NCM) */
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rc = smInitialize();
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if (R_FAILED(rc))
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fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_SM));
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rc = fsInitialize();
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if (R_FAILED(rc))
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fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_FS));
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rc = pmshellInitialize();
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if (R_FAILED(rc))
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fatalSimple(0xCAFE << 4 | 1);
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fsdevInit();
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}
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void __appExit(void) {
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/* Cleanup services. */
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fsdevExit();
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pmshellExit();
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fsExit();
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smExit();
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}
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int main(int argc, char **argv)
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{
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consoleDebugInit(debugDevice_SVC);
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Result rc;
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/* Change GPIO voltage to 1.8v */
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if (kernelAbove200()) {
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/* TODO: svcReadWriteRegister */
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} else {
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u64* pmc_base_vaddr = NULL;
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/* Map the PMC registers directly */
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rc = svcQueryIoMapping(pmc_base_vaddr, PMC_BASE, 0x3000);
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if (R_FAILED(rc)) {
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return rc;
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}
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/* IO mapping failed */
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if (!pmc_base_vaddr)
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fatalSimple(MAKERESULT(Module_Libnx, LibnxError_IoError));
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/* Update PMC_PWR_DET_ENABLE and PMC_PWR_DET_VAL */
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*((u32 *)pmc_base_vaddr + 0x48) |= 0x00A42000;
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*((u32 *)pmc_base_vaddr + 0xE4) &= 0xFF5BDFFF;
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}
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/* Wait for changes to take effect */
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svcSleepThread(100000);
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/* TODO: Hardware setup, NAND repair, NotifyBootFinished */
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rc = 0;
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return rc;
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} |