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AutoRCM disabler support for all AutoRCM versions

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This commit is contained in:
Kostas Missos 2018-08-21 04:43:00 +03:00
parent 13a07663ee
commit 463383abca
1 changed files with 74 additions and 26 deletions
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100
bootloader/main.c
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@ -2176,7 +2176,7 @@ out:
display_backlight(true);
}
void toggle_autorcm()
void toggle_autorcm(bool enable)
{
sdmmc_storage_t storage;
sdmmc_t sdmmc;
@ -2198,19 +2198,89 @@ void toggle_autorcm()
{
sect = (0x200 + (0x4000 * i)) / NX_EMMC_BLOCKSIZE;
sdmmc_storage_read(&storage, sect, 1, tempbuf);
tempbuf[0x10] ^= 0x77; // !IMPORTANT: DO NOT CHANGE! XOR by arbitrary number to corrupt.
if (enable)
tempbuf[0x10] ^= get_tmr_us() & 0xFF; // Bricmii style of bricking.
else
tempbuf[0x10] = 0xF7;
sdmmc_storage_write(&storage, sect, 1, tempbuf);
}
free(tempbuf);
sdmmc_storage_end(&storage);
gfx_printf(&gfx_con, "%kAutoRCM mode toggled!%k\n\nPress any key...\n", 0xFF96FF00, 0xFFCCCCCC);
if (enable)
gfx_printf(&gfx_con, "%kAutoRCM mode enabled!%k", 0xFFFFBA00, 0xFFCCCCCC);
else
gfx_printf(&gfx_con, "%kAutoRCM mode disabled!%k", 0xFF96FF00, 0xFFCCCCCC);
gfx_printf(&gfx_con, "\n\nPress any key...\n");
out:
btn_wait();
}
void enable_autorcm() { toggle_autorcm(true); }
void disable_autorcm() { toggle_autorcm(false); }
void menu_autorcm()
{
gfx_clear_grey(&gfx_ctxt, 0x1B);
gfx_con_setpos(&gfx_con, 0, 0);
// Do a simple check on the main BCT.
sdmmc_storage_t storage;
sdmmc_t sdmmc;
bool disabled = true;
if (!sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4))
{
EPRINTF("Failed to init eMMC.");
btn_wait();
return;
}
u8 *tempbuf = (u8 *)malloc(0x200);
sdmmc_storage_set_mmc_partition(&storage, 1);
sdmmc_storage_read(&storage, 0x200 / NX_EMMC_BLOCKSIZE, 1, tempbuf);
if (tempbuf[0x10] != 0xF7)
disabled = false;
free(tempbuf);
sdmmc_storage_end(&storage);
// 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 (disabled)
{
ments[2].caption = "Status: Disabled!";
ments[2].color = 0xFF96FF00;
ments[4].caption = "Enable AutoRCM";
ments[4].handler = enable_autorcm;
}
else
{
ments[2].caption = "Status: Enabled!";
ments[2].color = 0xFFFFBA00;
ments[4].caption = "Disable AutoRCM";
ments[4].handler = disable_autorcm;
}
ments[4].type = MENT_HDLR_RE;
memset(&ments[5], 0, sizeof(ment_t));
menu_t menu = {ments, "This corrupts your BOOT0!", 0, 0};
tui_do_menu(&gfx_con, &menu);
}
int fix_attributes(char *path, u32 *total, u32 is_root, u32 check_first_run)
{
FRESULT res;
@ -2679,28 +2749,6 @@ menu_t menu_cinfo = {
"Console Info", 0, 0
};
ment_t ment_autorcm[] = {
MDEF_CAPTION("WARNING: This corrupts your BOOT0 partition!", 0xFFE6FF00),
MDEF_CHGLINE(),
MDEF_CAPTION("Do you want to continue?", 0xFFCCCCCC),
MDEF_CHGLINE(),
MDEF_BACK(),
MDEF_BACK(),
MDEF_BACK(),
MDEF_BACK(),
MDEF_HANDLER("Toggle AutoRCM", toggle_autorcm),
MDEF_BACK(),
MDEF_BACK(),
MDEF_BACK(),
MDEF_BACK(),
MDEF_END()
};
menu_t menu_autorcm = {
ment_autorcm,
"Toggle AutoRCM ON/OFF", 0, 0
};
ment_t ment_restore[] = {
MDEF_BACK(),
MDEF_CHGLINE(),
@ -2753,7 +2801,7 @@ ment_t ment_tools[] = {
//MDEF_HANDLER("Reset all battery cfg", reset_pmic_fuel_gauge_charger_config),
MDEF_CHGLINE(),
MDEF_CAPTION("------ Dangerous -----", 0xFFFF0000),
MDEF_MENU("AutoRCM", &menu_autorcm),
MDEF_HANDLER("AutoRCM", menu_autorcm),
MDEF_END()
};