mirror of
https://github.com/CTCaer/hekate.git
synced 2024-11-26 19:52:11 +00:00
263 lines
No EOL
6.3 KiB
C
263 lines
No EOL
6.3 KiB
C
/*
|
|
* Copyright (c) 2019 CTCaer
|
|
*
|
|
* 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 "hos.h"
|
|
#include "fss.h"
|
|
#include "sept.h"
|
|
#include "../config.h"
|
|
#include <gfx/di.h>
|
|
#include <ianos/ianos.h>
|
|
#include <libs/fatfs/ff.h>
|
|
#include <mem/heap.h>
|
|
#include <soc/hw_init.h>
|
|
#include <soc/pmc.h>
|
|
#include <soc/t210.h>
|
|
#include "../storage/emummc.h"
|
|
#include "../storage/nx_emmc.h"
|
|
#include <storage/nx_sd.h>
|
|
#include <storage/sdmmc.h>
|
|
#include <utils/btn.h>
|
|
#include <utils/types.h>
|
|
|
|
#include <gfx_utils.h>
|
|
|
|
#define RELOC_META_OFF 0x7C
|
|
#define PATCHED_RELOC_SZ 0x94
|
|
|
|
#define WB_RST_ADDR 0x40010ED0
|
|
#define WB_RST_SIZE 0x30
|
|
|
|
u8 warmboot_reboot[] = {
|
|
0x14, 0x00, 0x9F, 0xE5, // LDR R0, =0x7000E450
|
|
0x01, 0x10, 0xB0, 0xE3, // MOVS R1, #1
|
|
0x00, 0x10, 0x80, 0xE5, // STR R1, [R0]
|
|
0x0C, 0x00, 0x9F, 0xE5, // LDR R0, =0x7000E400
|
|
0x10, 0x10, 0xB0, 0xE3, // MOVS R1, #0x10
|
|
0x00, 0x10, 0x80, 0xE5, // STR R1, [R0]
|
|
0xFE, 0xFF, 0xFF, 0xEA, // LOOP
|
|
0x50, 0xE4, 0x00, 0x70, // #0x7000E450
|
|
0x00, 0xE4, 0x00, 0x70 // #0x7000E400
|
|
};
|
|
|
|
#define SEPT_PRI_ADDR 0x4003F000
|
|
|
|
#define SEPT_PK1T_ADDR 0xC0400000
|
|
#define SEPT_TCSZ_ADDR (SEPT_PK1T_ADDR - 0x4)
|
|
#define SEPT_STG1_ADDR (SEPT_PK1T_ADDR + 0x2E100)
|
|
#define SEPT_STG2_ADDR (SEPT_PK1T_ADDR + 0x60E0)
|
|
#define SEPT_PKG_SZ (0x2F100 + WB_RST_SIZE)
|
|
|
|
extern boot_cfg_t b_cfg;
|
|
extern hekate_config h_cfg;
|
|
extern const volatile ipl_ver_meta_t ipl_ver;
|
|
|
|
extern bool is_ipl_updated(void *buf);
|
|
extern void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size);
|
|
|
|
void check_sept(ini_sec_t *cfg_sec)
|
|
{
|
|
if (h_cfg.t210b01)
|
|
{
|
|
h_cfg.sept_run = true;
|
|
return;
|
|
}
|
|
|
|
hos_eks_get();
|
|
|
|
// Check if non-hekate payload is used for sept and restore it.
|
|
if (h_cfg.sept_run)
|
|
{
|
|
if (!f_stat("sept/payload.bak", NULL))
|
|
{
|
|
f_unlink("sept/payload.bin");
|
|
f_rename("sept/payload.bak", "sept/payload.bin");
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
u8 *pkg1 = (u8 *)calloc(1, 0x40000);
|
|
|
|
sdmmc_storage_t storage;
|
|
sdmmc_t sdmmc;
|
|
int res = emummc_storage_init_mmc(&storage, &sdmmc);
|
|
if (res)
|
|
{
|
|
if (res == 2)
|
|
EPRINTF("Failed to init eMMC");
|
|
else
|
|
EPRINTF("Failed to init emuMMC");
|
|
|
|
goto out_free;
|
|
}
|
|
|
|
emummc_storage_set_mmc_partition(&storage, EMMC_BOOT0);
|
|
|
|
// Read package1.
|
|
emummc_storage_read(&storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, pkg1);
|
|
const pkg1_id_t *pkg1_id = pkg1_identify(pkg1);
|
|
if (!pkg1_id)
|
|
{
|
|
EPRINTF("Unknown pkg1 version.");
|
|
goto out_free;
|
|
}
|
|
|
|
if (pkg1_id->kb >= KB_FIRMWARE_VERSION_700 && !h_cfg.sept_run)
|
|
{
|
|
u32 key_idx = 0;
|
|
if (pkg1_id->kb >= KB_FIRMWARE_VERSION_810)
|
|
key_idx = 1;
|
|
|
|
if (h_cfg.eks && h_cfg.eks->enabled[key_idx] >= pkg1_id->kb)
|
|
{
|
|
h_cfg.sept_run = true;
|
|
goto out_free;
|
|
}
|
|
|
|
sdmmc_storage_end(&storage);
|
|
reboot_to_sept((u8 *)pkg1 + pkg1_id->tsec_off, pkg1_id->kb, cfg_sec);
|
|
}
|
|
|
|
out_free:
|
|
free(pkg1);
|
|
sdmmc_storage_end(&storage);
|
|
}
|
|
|
|
int reboot_to_sept(const u8 *tsec_fw, u32 kb, ini_sec_t *cfg_sec)
|
|
{
|
|
FIL fp;
|
|
bool fss0_sept_used = false;
|
|
|
|
// Copy warmboot reboot code and TSEC fw.
|
|
u32 tsec_fw_size = 0x3000;
|
|
if (kb > KB_FIRMWARE_VERSION_700)
|
|
tsec_fw_size = 0x3300;
|
|
memcpy((u8 *)(SEPT_PK1T_ADDR - WB_RST_SIZE), (u8 *)warmboot_reboot, sizeof(warmboot_reboot));
|
|
memcpy((void *)SEPT_PK1T_ADDR, tsec_fw, tsec_fw_size);
|
|
*(vu32 *)SEPT_TCSZ_ADDR = tsec_fw_size;
|
|
|
|
if (cfg_sec)
|
|
{
|
|
fss0_sept_t sept_ctxt;
|
|
sept_ctxt.kb = kb;
|
|
sept_ctxt.cfg_sec = cfg_sec;
|
|
sept_ctxt.sept_primary = (void *)SEPT_STG1_ADDR;
|
|
sept_ctxt.sept_secondary = (void *)SEPT_STG2_ADDR;
|
|
|
|
fss0_sept_used = load_sept_from_ffs0(&sept_ctxt);
|
|
}
|
|
|
|
if (!fss0_sept_used)
|
|
{
|
|
// Copy sept-primary.
|
|
if (f_open(&fp, "sept/sept-primary.bin", FA_READ))
|
|
goto error;
|
|
|
|
if (f_read(&fp, (u8 *)SEPT_STG1_ADDR, f_size(&fp), NULL))
|
|
{
|
|
f_close(&fp);
|
|
goto error;
|
|
}
|
|
f_close(&fp);
|
|
|
|
// Copy sept-secondary.
|
|
if (kb < KB_FIRMWARE_VERSION_810)
|
|
{
|
|
if (f_open(&fp, "sept/sept-secondary_00.enc", FA_READ))
|
|
goto error;
|
|
}
|
|
else
|
|
{
|
|
if (f_open(&fp, "sept/sept-secondary_01.enc", FA_READ))
|
|
goto error;
|
|
}
|
|
|
|
if (f_read(&fp, (u8 *)SEPT_STG2_ADDR, f_size(&fp), NULL))
|
|
{
|
|
f_close(&fp);
|
|
goto error;
|
|
}
|
|
f_close(&fp);
|
|
}
|
|
|
|
b_cfg.boot_cfg |= (BOOT_CFG_AUTOBOOT_EN | BOOT_CFG_SEPT_RUN);
|
|
|
|
bool update_sept_payload = true;
|
|
if (!f_open(&fp, "sept/payload.bin", FA_READ | FA_WRITE))
|
|
{
|
|
ipl_ver_meta_t tmp_ver;
|
|
f_lseek(&fp, PATCHED_RELOC_SZ + sizeof(boot_cfg_t));
|
|
f_read(&fp, &tmp_ver, sizeof(ipl_ver_meta_t), NULL);
|
|
|
|
if (tmp_ver.magic == ipl_ver.magic)
|
|
{
|
|
if (tmp_ver.version == ipl_ver.version)
|
|
{
|
|
// Save auto boot config to sept payload, if any.
|
|
boot_cfg_t *tmp_cfg = malloc(sizeof(boot_cfg_t));
|
|
memcpy(tmp_cfg, &b_cfg, sizeof(boot_cfg_t));
|
|
f_lseek(&fp, PATCHED_RELOC_SZ);
|
|
f_write(&fp, tmp_cfg, sizeof(boot_cfg_t), NULL);
|
|
update_sept_payload = false;
|
|
}
|
|
|
|
f_close(&fp);
|
|
}
|
|
else
|
|
{
|
|
f_close(&fp);
|
|
f_rename("sept/payload.bin", "sept/payload.bak"); // Backup foreign payload.
|
|
}
|
|
}
|
|
|
|
if (update_sept_payload)
|
|
{
|
|
volatile reloc_meta_t *reloc = (reloc_meta_t *)(IPL_LOAD_ADDR + RELOC_META_OFF);
|
|
f_mkdir("sept");
|
|
f_open(&fp, "sept/payload.bin", FA_WRITE | FA_CREATE_ALWAYS);
|
|
f_write(&fp, (u8 *)reloc->start, reloc->end - reloc->start, NULL);
|
|
f_close(&fp);
|
|
}
|
|
|
|
sd_end();
|
|
|
|
u32 pk1t_sept = SEPT_PK1T_ADDR - (ALIGN(PATCHED_RELOC_SZ, 0x10) + WB_RST_SIZE);
|
|
|
|
void (*sept)() = (void *)pk1t_sept;
|
|
|
|
reloc_patcher(WB_RST_ADDR, pk1t_sept, SEPT_PKG_SZ);
|
|
|
|
// Patch SDRAM init to perform an SVC immediately after second write.
|
|
PMC(APBDEV_PMC_SCRATCH45) = 0x2E38DFFF;
|
|
PMC(APBDEV_PMC_SCRATCH46) = 0x6001DC28;
|
|
// Set SVC handler to jump to sept-primary in IRAM.
|
|
PMC(APBDEV_PMC_SCRATCH33) = SEPT_PRI_ADDR;
|
|
PMC(APBDEV_PMC_SCRATCH40) = 0x6000F208;
|
|
|
|
hw_reinit_workaround(false, 0);
|
|
|
|
(*sept)();
|
|
|
|
error:
|
|
gfx_con.mute = false;
|
|
EPRINTF("Failed to run sept\n");
|
|
|
|
btn_wait();
|
|
|
|
return 0;
|
|
} |