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A9NC / bootloader: check for FIRM in FCRAM on start

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d0k3 2017-09-17 17:50:31 +02:00
parent 59928d7573
commit 93a6a183c5
1 changed files with 16 additions and 4 deletions
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20
source/godmode.c
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@ -1536,6 +1536,16 @@ u32 GodMode(bool is_b9s) {
bootloader = !is_b9s && IS_SIGHAX && !bootloader; // default bootloader
#endif
bool godmode9 = !bootloader && !bootmenu;
FirmHeader* firm_in_mem = (FirmHeader*) DIR_BUFFER;
if (bootloader || bootmenu) {
for (u8* addr = (u8*) 0x20000200; addr < (u8*) 0x24000000; addr += 0x400000) {
if (ValidateFirmHeader((FirmHeader*) (void*) addr, 0x100000) == 0) {
memmove(firm_in_mem, addr, 0x100000);
if (memcmp(addr, "FIRM", 4) == 0) memcpy(addr, "NOPE", 4); // prevent bootloops
break;
}
}
}
ClearScreenF(true, true, COLOR_STD_BG);
@ -1552,10 +1562,6 @@ u32 GodMode(bool is_b9s) {
InitNandCrypto(!is_b9s);
InitExtFS();
GetDirContents(current_dir, "");
clipboard->n_entries = 0;
memset(panedata, 0x00, 0x10000);
// check for embedded essential backup
if (IS_SIGHAX && !PathExist("S:/essential.exefs") && CheckGenuineNandNcsd() &&
ShowPrompt(true, "Essential files backup not found.\nCreate one now?")) {
@ -1589,6 +1595,7 @@ u32 GodMode(bool is_b9s) {
while (timer_msec( timer ) < 500); // show splash for at least 0.5 sec
// bootmenu handler
if (bootmenu) {
bootloader = false;
while (!bootloader && !godmode9) {
@ -1614,13 +1621,18 @@ u32 GodMode(bool is_b9s) {
}
if (bootloader) {
const char* bootfirm_paths[] = { BOOTFIRM_PATHS };
if (ValidateFirm(firm_in_mem, 0x100000, false) == 0) BootFirm(firm_in_mem, "0:/bootonce.firm");
for (u32 i = 0; i < sizeof(bootfirm_paths) / sizeof(char*); i++) {
BootFirmHandler(bootfirm_paths[i], false, (BOOTFIRM_TEMPS >> i) & 0x1);
}
}
GetDirContents(current_dir, "");
clipboard->n_entries = 0;
memset(panedata, 0x00, 0x10000);
ClearScreenF(true, true, COLOR_STD_BG); // clear splash
while (godmode9) { // this is the main loop
int curr_drvtype = DriveType(current_path);