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Code Issues Releases Activity

hekate: expose autorcm check

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CTCaer 2024-03-27 09:39:41 +02:00
parent 471b99366d
commit 8b1486c74b
2 changed files with 35 additions and 35 deletions
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67
bootloader/frontend/fe_tools.c
View file

@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2018 naehrwert * Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2022 CTCaer * Copyright (c) 2018-2024 CTCaer
* Copyright (c) 2018 Reisyukaku * Copyright (c) 2018 Reisyukaku
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
@ -32,22 +32,14 @@ extern hekate_config h_cfg;
#pragma GCC push_options #pragma GCC push_options
#pragma GCC optimize ("Os") #pragma GCC optimize ("Os")
void _toggle_autorcm(bool enable) static void _toggle_autorcm(bool enable)
{ {
gfx_clear_partial_grey(0x1B, 0, 1256); gfx_clear_partial_grey(0x1B, 0, 1256);
gfx_con_setpos(0, 0); gfx_con_setpos(0, 0);
if (!emmc_initialize(false))
{
EPRINTF("Failed to init eMMC.");
goto out;
}
u8 *tempbuf = (u8 *)malloc(0x200);
emmc_set_partition(EMMC_BOOT0);
int i, sect = 0; int i, sect = 0;
u8 corr_mod0, mod1; u8 corr_mod0, mod1;
u8 *tempbuf = (u8 *)malloc(0x200);
// Get the correct RSA modulus byte masks. // Get the correct RSA modulus byte masks.
nx_emmc_get_autorcm_masks(&corr_mod0, &mod1); nx_emmc_get_autorcm_masks(&corr_mod0, &mod1);
@ -70,7 +62,6 @@ void _toggle_autorcm(bool enable)
} }
free(tempbuf); free(tempbuf);
emmc_end();
if (enable) if (enable)
gfx_printf("%kAutoRCM mode enabled!%k", TXT_CLR_ORANGE, TXT_CLR_DEFAULT); gfx_printf("%kAutoRCM mode enabled!%k", TXT_CLR_ORANGE, TXT_CLR_DEFAULT);
@ -78,12 +69,34 @@ void _toggle_autorcm(bool enable)
gfx_printf("%kAutoRCM mode disabled!%k", TXT_CLR_GREENISH, TXT_CLR_DEFAULT); gfx_printf("%kAutoRCM mode disabled!%k", TXT_CLR_GREENISH, TXT_CLR_DEFAULT);
gfx_printf("\n\nPress any key...\n"); gfx_printf("\n\nPress any key...\n");
out:
btn_wait(); btn_wait();
} }
void _enable_autorcm() { _toggle_autorcm(true); } static void _enable_autorcm() { _toggle_autorcm(true); }
void _disable_autorcm() { _toggle_autorcm(false); } 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() void menu_autorcm()
{ {
@ -98,9 +111,6 @@ void menu_autorcm()
return; return;
} }
// Do a simple check on the main BCT.
bool disabled = true;
if (!emmc_initialize(false)) if (!emmc_initialize(false))
{ {
EPRINTF("Failed to init eMMC."); EPRINTF("Failed to init eMMC.");
@ -109,21 +119,8 @@ void menu_autorcm()
return; return;
} }
u8 mod0, mod1; // Do a simple check on the main BCT.
// Get the correct RSA modulus byte masks. bool enabled = tools_autorcm_enabled();
nx_emmc_get_autorcm_masks(&mod0, &mod1);
u8 *tempbuf = (u8 *)malloc(0x200);
emmc_set_partition(EMMC_BOOT0);
sdmmc_storage_read(&emmc_storage, 0x200 / EMMC_BLOCKSIZE, 1, tempbuf);
// Check if 2nd byte of modulus is correct.
if (tempbuf[0x11] == mod1)
if (tempbuf[0x10] != mod0)
disabled = false;
free(tempbuf);
emmc_end();
// Create AutoRCM menu. // Create AutoRCM menu.
ment_t *ments = (ment_t *)malloc(sizeof(ment_t) * 6); ment_t *ments = (ment_t *)malloc(sizeof(ment_t) * 6);
@ -135,7 +132,7 @@ void menu_autorcm()
ments[2].type = MENT_CAPTION; ments[2].type = MENT_CAPTION;
ments[3].type = MENT_CHGLINE; ments[3].type = MENT_CHGLINE;
if (disabled) if (!enabled)
{ {
ments[2].caption = "Status: Disabled!"; ments[2].caption = "Status: Disabled!";
ments[2].color = TXT_CLR_GREENISH; ments[2].color = TXT_CLR_GREENISH;
@ -156,6 +153,8 @@ void menu_autorcm()
menu_t menu = {ments, "This corrupts BOOT0!", 0, 0}; menu_t menu = {ments, "This corrupts BOOT0!", 0, 0};
tui_do_menu(&menu); tui_do_menu(&menu);
emmc_end();
} }
#pragma GCC pop_options #pragma GCC pop_options

3
bootloader/frontend/fe_tools.h
View file

@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2018 naehrwert * Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2022 CTCaer * Copyright (c) 2018-2024 CTCaer
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License, * under the terms and conditions of the GNU General Public License,
@ -19,5 +19,6 @@
#define _FE_TOOLS_H_ #define _FE_TOOLS_H_
void menu_autorcm(); void menu_autorcm();
bool tools_autorcm_enabled();
#endif #endif