mirror of
https://github.com/CTCaer/hekate
synced 2024-11-16 08:59:26 +00:00
162 lines
3.6 KiB
C
162 lines
3.6 KiB
C
/*
|
|
* Copyright (c) 2018 naehrwert
|
|
* Copyright (c) 2018-2024 CTCaer
|
|
* Copyright (c) 2018 Reisyukaku
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <bdk.h>
|
|
|
|
#include "fe_tools.h"
|
|
#include "../config.h"
|
|
#include "../gfx/tui.h"
|
|
#include <libs/fatfs/ff.h>
|
|
|
|
extern boot_cfg_t b_cfg;
|
|
extern hekate_config h_cfg;
|
|
|
|
#pragma GCC push_options
|
|
#pragma GCC optimize ("Os")
|
|
|
|
static void _toggle_autorcm(bool enable)
|
|
{
|
|
gfx_clear_partial_grey(0x1B, 0, 1256);
|
|
gfx_con_setpos(0, 0);
|
|
|
|
int i, sect = 0;
|
|
u8 corr_mod0, mod1;
|
|
u8 *tempbuf = (u8 *)malloc(0x200);
|
|
|
|
// Get the correct RSA modulus byte masks.
|
|
nx_emmc_get_autorcm_masks(&corr_mod0, &mod1);
|
|
|
|
// Iterate BCTs.
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
sect = (0x200 + (0x4000 * i)) / EMMC_BLOCKSIZE;
|
|
sdmmc_storage_read(&emmc_storage, sect, 1, tempbuf);
|
|
|
|
// Check if 2nd byte of modulus is correct.
|
|
if (tempbuf[0x11] != mod1)
|
|
continue;
|
|
|
|
if (enable)
|
|
tempbuf[0x10] = 0;
|
|
else
|
|
tempbuf[0x10] = corr_mod0;
|
|
sdmmc_storage_write(&emmc_storage, sect, 1, tempbuf);
|
|
}
|
|
|
|
free(tempbuf);
|
|
|
|
if (enable)
|
|
gfx_printf("%kAutoRCM mode enabled!%k", TXT_CLR_ORANGE, TXT_CLR_DEFAULT);
|
|
else
|
|
gfx_printf("%kAutoRCM mode disabled!%k", TXT_CLR_GREENISH, TXT_CLR_DEFAULT);
|
|
gfx_printf("\n\nPress any key...\n");
|
|
|
|
btn_wait();
|
|
}
|
|
|
|
static void _enable_autorcm() { _toggle_autorcm(true); }
|
|
static void _disable_autorcm() { _toggle_autorcm(false); }
|
|
|
|
bool tools_autorcm_enabled()
|
|
{
|
|
u8 mod0, mod1;
|
|
u8 *tempbuf = (u8 *)malloc(0x200);
|
|
|
|
// Get the correct RSA modulus byte masks.
|
|
nx_emmc_get_autorcm_masks(&mod0, &mod1);
|
|
|
|
// Get 1st RSA modulus.
|
|
emmc_set_partition(EMMC_BOOT0);
|
|
sdmmc_storage_read(&emmc_storage, 0x200 / EMMC_BLOCKSIZE, 1, tempbuf);
|
|
|
|
// Check if 2nd byte of modulus is correct.
|
|
bool enabled = false;
|
|
if (tempbuf[0x11] == mod1)
|
|
if (tempbuf[0x10] != mod0)
|
|
enabled = true;
|
|
|
|
free(tempbuf);
|
|
|
|
return enabled;
|
|
}
|
|
|
|
void menu_autorcm()
|
|
{
|
|
gfx_clear_grey(0x1B);
|
|
gfx_con_setpos(0, 0);
|
|
|
|
if (h_cfg.rcm_patched)
|
|
{
|
|
WPRINTF("This device is RCM patched and the\nfunction is disabled to avoid BRICKS!\n");
|
|
btn_wait();
|
|
|
|
return;
|
|
}
|
|
|
|
if (!emmc_initialize(false))
|
|
{
|
|
EPRINTF("Failed to init eMMC.");
|
|
btn_wait();
|
|
|
|
return;
|
|
}
|
|
|
|
// Do a simple check on the main BCT.
|
|
bool enabled = tools_autorcm_enabled();
|
|
|
|
// Create AutoRCM menu.
|
|
ment_t *ments = (ment_t *)malloc(sizeof(ment_t) * 6);
|
|
|
|
ments[0].type = MENT_BACK;
|
|
ments[0].caption = "Back";
|
|
|
|
ments[1].type = MENT_CHGLINE;
|
|
|
|
ments[2].type = MENT_CAPTION;
|
|
ments[3].type = MENT_CHGLINE;
|
|
if (!enabled)
|
|
{
|
|
ments[2].caption = "Status: Disabled!";
|
|
ments[2].color = TXT_CLR_GREENISH;
|
|
ments[4].caption = "Enable AutoRCM";
|
|
ments[4].handler = _enable_autorcm;
|
|
}
|
|
else
|
|
{
|
|
ments[2].caption = "Status: Enabled!";
|
|
ments[2].color = TXT_CLR_ORANGE;
|
|
ments[4].caption = "Disable AutoRCM";
|
|
ments[4].handler = _disable_autorcm;
|
|
}
|
|
ments[4].type = MENT_HDLR_RE;
|
|
ments[4].data = NULL;
|
|
|
|
memset(&ments[5], 0, sizeof(ment_t));
|
|
menu_t menu = {ments, "This corrupts BOOT0!", 0, 0};
|
|
|
|
tui_do_menu(&menu);
|
|
|
|
emmc_end();
|
|
|
|
free(ments);
|
|
}
|
|
|
|
#pragma GCC pop_options
|