niklascfw/hekate
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

sept: Disallow sept if improper BCT to avoid black screen

Browse Source
This commit is contained in:
CTCaer
2021-02-06 03:24:58 +02:00
parent 0857d7ff0e
commit ea83566fc9
5 changed files with 50 additions and 71 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
bootloader/hos/sept.c
View File

@@ -55,6 +55,7 @@ u8 warmboot_reboot[] = {
};
#define SEPT_PRI_ADDR 0x4003F000
#define SEPT_PRI_ENTRY 0x40010340
#define SEPT_PK1T_ADDR 0xC0400000
#define SEPT_TCSZ_ADDR (SEPT_PK1T_ADDR - 0x4)
@@ -127,6 +128,17 @@ void check_sept(ini_sec_t *cfg_sec)
goto out_free;
}
u8 *bct_bldr = (u8 *)calloc(1, 512);
sdmmc_storage_read(&emmc_storage, 0x2200 / NX_EMMC_BLOCKSIZE, 1, &bct_bldr);
u32 bootloader_entrypoint = *(u32 *)&bct_bldr[0x144];
free(bct_bldr);
if (bootloader_entrypoint > SEPT_PRI_ENTRY)
{
gfx_con.mute = false;
EPRINTF("Failed to run sept\n""Main BCT is improper!\nRun sept with proper BCT at least once\nto cache keys.");
goto out_free;
}
sdmmc_storage_end(&emmc_storage);
reboot_to_sept((u8 *)pkg1 + pkg1_id->tsec_off, pkg1_id->kb, cfg_sec);
}