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Correct RCM patched status for Mariko

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This also disallows AutoRCM for Mariko.
This commit is contained in:
CTCaer 2020-06-26 22:40:06 +03:00
parent fbbfeb2d1c
commit 1c9efa327c
6 changed files with 22 additions and 10 deletions
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2
bootloader/config.c
View file

@ -23,6 +23,7 @@
#include "gfx/tui.h"
#include <libs/fatfs/ff.h>
#include <soc/fuse.h>
#include <soc/hw_init.h>
#include <soc/t210.h>
#include <storage/nx_sd.h>
#include <storage/sdmmc.h>
@ -49,6 +50,7 @@ void set_default_configuration()
h_cfg.aes_slots_new = false;
h_cfg.rcm_patched = fuse_check_patched_rcm();
h_cfg.emummc_force_disable = false;
h_cfg.t210b01 = hw_get_chip_id() == GP_HIDREV_MAJOR_T210B01;
}
int create_config_entry()

1
bootloader/config.h
View file

@ -32,6 +32,7 @@ typedef struct _hekate_config
u32 updater2p;
u32 bootprotect;
// Global temporary config.
bool t210b01;
bool se_keygen_done;
bool sept_run;
bool aes_slots_new;

23
bootloader/main.c
View file

@ -1103,16 +1103,14 @@ static void _patched_rcm_protection()
sdmmc_storage_t storage;
sdmmc_t sdmmc;
u32 chip_id = (APB_MISC(APB_MISC_GP_HIDREV) >> 4) & 0xF;
if (!h_cfg.rcm_patched || chip_id != GP_HIDREV_MAJOR_T210)
if (!h_cfg.rcm_patched || hw_get_chip_id() == GP_HIDREV_MAJOR_T210B01)
return;
// Check if AutoRCM is enabled and protect from a permanent brick.
if (!sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400))
return;
u8 *tempbuf = (u8 *)malloc(0x200);
u8 *buf = (u8 *)malloc(0x200);
sdmmc_storage_set_mmc_partition(&storage, EMMC_BOOT0);
u8 corr_mod_byte0;
@ -1125,18 +1123,23 @@ static void _patched_rcm_protection()
for (i = 0; i < 4; i++)
{
sect = (0x200 + (0x4000 * i)) / NX_EMMC_BLOCKSIZE;
sdmmc_storage_read(&storage, sect, 1, tempbuf);
sdmmc_storage_read(&storage, sect, 1, buf);
// Check if 2nd byte of modulus is correct.
if (buf[0x11] == 0x86)
goto out;
// If AutoRCM is enabled, disable it.
if (tempbuf[0x10] != corr_mod_byte0)
if (buf[0x10] != corr_mod_byte0)
{
tempbuf[0x10] = corr_mod_byte0;
buf[0x10] = corr_mod_byte0;
sdmmc_storage_write(&storage, sect, 1, tempbuf);
sdmmc_storage_write(&storage, sect, 1, buf);
}
}
free(tempbuf);
out:
free(buf);
sdmmc_storage_end(&storage);
}
@ -1553,7 +1556,7 @@ void ipl_main()
// Load emuMMC configuration from SD.
emummc_load_cfg();
// Show library errors.
// Show exception, library errors and L4T kernel panics.
_show_errors();
// Load saved configuration and auto boot if enabled.

2
nyx/nyx_gui/config.c
View file

@ -22,6 +22,7 @@
#include <gfx_utils.h>
#include <libs/fatfs/ff.h>
#include <soc/fuse.h>
#include <soc/hw_init.h>
#include <soc/t210.h>
#include <storage/nx_sd.h>
#include <storage/sdmmc.h>
@ -50,6 +51,7 @@ void set_default_configuration()
h_cfg.rcm_patched = fuse_check_patched_rcm();
h_cfg.sbk_set = FUSE(FUSE_PRIVATE_KEY0) == 0xFFFFFFFF;
h_cfg.emummc_force_disable = false;
h_cfg.t210b01 = hw_get_chip_id() == GP_HIDREV_MAJOR_T210B01;
sd_power_cycle_time_start = 0;
}

1
nyx/nyx_gui/config.h
View file

@ -32,6 +32,7 @@ typedef struct _hekate_config
u32 updater2p;
u32 bootprotect;
// Global temporary config.
bool t210b01;
bool se_keygen_done;
bool sept_run;
bool aes_slots_new;

3
nyx/nyx_gui/frontend/gui_tools.c
View file

@ -75,6 +75,9 @@ bool get_autorcm_status(bool change)
sdmmc_t sdmmc;
bool enabled = false;
if (h_cfg.t210b01)
return false;
sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400);
u8 *tempbuf = (u8 *)malloc(0x200);