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v1.7.1: Heap bugfix, add payload chainloading

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This commit is contained in:
shchmue 2019-10-31 21:08:58 -06:00
parent fc87643922
commit aac874f7a3
2 changed files with 323 additions and 136 deletions
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2
Makefile
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@ -11,7 +11,7 @@ include $(DEVKITARM)/base_rules
IPL_LOAD_ADDR := 0x40003000 IPL_LOAD_ADDR := 0x40003000
LPVERSION_MAJOR := 1 LPVERSION_MAJOR := 1
LPVERSION_MINOR := 7 LPVERSION_MINOR := 7
LPVERSION_BUGFX := 0 LPVERSION_BUGFX := 1
################################################################################ ################################################################################

457
source/main.c
View File

@ -19,6 +19,7 @@
#include <string.h> #include <string.h>
#include "config/config.h" #include "config/config.h"
#include "config/ini.h"
#include "gfx/di.h" #include "gfx/di.h"
#include "gfx/gfx.h" #include "gfx/gfx.h"
#include "gfx/tui.h" #include "gfx/tui.h"
@ -33,6 +34,8 @@
#include "storage/emummc.h" #include "storage/emummc.h"
#include "storage/nx_emmc.h" #include "storage/nx_emmc.h"
#include "storage/sdmmc.h" #include "storage/sdmmc.h"
#include "utils/btn.h"
#include "utils/dirlist.h"
#include "utils/sprintf.h" #include "utils/sprintf.h"
#include "utils/util.h" #include "utils/util.h"
@ -48,166 +51,348 @@ boot_cfg_t __attribute__((section ("._boot_cfg"))) b_cfg;
bool sd_mount() bool sd_mount()
{ {
if (sd_mounted) if (sd_mounted)
return true; return true;
if (!sdmmc_storage_init_sd(&sd_storage, &sd_sdmmc, SDMMC_1, SDMMC_BUS_WIDTH_4, 11)) if (!sdmmc_storage_init_sd(&sd_storage, &sd_sdmmc, SDMMC_1, SDMMC_BUS_WIDTH_4, 11))
{ {
EPRINTF("Failed to init SD card.\nMake sure that it is inserted.\nOr that SD reader is properly seated!"); EPRINTF("Failed to init SD card.\nMake sure that it is inserted.\nOr that SD reader is properly seated!");
} }
else else
{ {
int res = 0; int res = 0;
res = f_mount(&sd_fs, "sd:", 1); res = f_mount(&sd_fs, "sd:", 1);
if (res == FR_OK) if (res == FR_OK)
{ {
sd_mounted = 1; sd_mounted = 1;
return true; return true;
} }
else else
{ {
EPRINTFARGS("Failed to mount SD card (FatFS Error %d).\nMake sure that a FAT partition exists..", res); EPRINTFARGS("Failed to mount SD card (FatFS Error %d).\nMake sure that a FAT partition exists..", res);
} }
} }
return false; return false;
} }
void sd_unmount() void sd_unmount()
{ {
if (sd_mounted) if (sd_mounted)
{ {
f_mount(NULL, "sd:", 1); f_mount(NULL, "sd:", 1);
sdmmc_storage_end(&sd_storage); sdmmc_storage_end(&sd_storage);
sd_mounted = false; sd_mounted = false;
} }
} }
void *sd_file_read(const char *path, u32 *fsize) void *sd_file_read(const char *path, u32 *fsize)
{ {
FIL fp; FIL fp;
if (f_open(&fp, path, FA_READ) != FR_OK) if (f_open(&fp, path, FA_READ) != FR_OK)
return NULL; return NULL;
u32 size = f_size(&fp); u32 size = f_size(&fp);
if (fsize) if (fsize)
*fsize = size; *fsize = size;
void *buf = malloc(size); void *buf = malloc(size);
if (f_read(&fp, buf, size, NULL) != FR_OK) if (f_read(&fp, buf, size, NULL) != FR_OK)
{ {
free(buf); free(buf);
f_close(&fp); f_close(&fp);
return NULL; return NULL;
} }
f_close(&fp); f_close(&fp);
return buf; return buf;
} }
int sd_save_to_file(void *buf, u32 size, const char *filename) int sd_save_to_file(void *buf, u32 size, const char *filename)
{ {
FIL fp; FIL fp;
u32 res = 0; u32 res = 0;
res = f_open(&fp, filename, FA_CREATE_ALWAYS | FA_WRITE); res = f_open(&fp, filename, FA_CREATE_ALWAYS | FA_WRITE);
if (res) if (res)
{ {
EPRINTFARGS("Error (%d) creating file\n%s.\n", res, filename); EPRINTFARGS("Error (%d) creating file\n%s.\n", res, filename);
return res; return res;
} }
f_write(&fp, buf, size, NULL); f_write(&fp, buf, size, NULL);
f_close(&fp); f_close(&fp);
return 0; return 0;
} }
// This is a safe and unused DRAM region for our payloads. // This is a safe and unused DRAM region for our payloads.
#define RELOC_META_OFF 0x7C #define RELOC_META_OFF 0x7C
#define PATCHED_RELOC_SZ 0x94 #define PATCHED_RELOC_SZ 0x94
#define PATCHED_RELOC_STACK 0x40007000 #define PATCHED_RELOC_STACK 0x40007000
#define PATCHED_RELOC_ENTRY 0x40010000
#define EXT_PAYLOAD_ADDR 0xC03C0000
#define RCM_PAYLOAD_ADDR (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10))
#define COREBOOT_ADDR (0xD0000000 - 0x100000) #define COREBOOT_ADDR (0xD0000000 - 0x100000)
#define CBFS_DRAM_EN_ADDR 0x4003e000 #define CBFS_DRAM_EN_ADDR 0x4003e000
#define CBFS_DRAM_MAGIC 0x4452414D // "DRAM" #define CBFS_DRAM_MAGIC 0x4452414D // "DRAM"
void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size) void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size)
{ {
memcpy((u8 *)payload_src, (u8 *)IPL_LOAD_ADDR, PATCHED_RELOC_SZ); memcpy((u8 *)payload_src, (u8 *)IPL_LOAD_ADDR, PATCHED_RELOC_SZ);
volatile reloc_meta_t *relocator = (reloc_meta_t *)(payload_src + RELOC_META_OFF); volatile reloc_meta_t *relocator = (reloc_meta_t *)(payload_src + RELOC_META_OFF);
relocator->start = payload_dst - ALIGN(PATCHED_RELOC_SZ, 0x10); relocator->start = payload_dst - ALIGN(PATCHED_RELOC_SZ, 0x10);
relocator->stack = PATCHED_RELOC_STACK; relocator->stack = PATCHED_RELOC_STACK;
relocator->end = payload_dst + payload_size; relocator->end = payload_dst + payload_size;
relocator->ep = payload_dst; relocator->ep = payload_dst;
if (payload_size == 0x7000) if (payload_size == 0x7000)
{ {
memcpy((u8 *)(payload_src + ALIGN(PATCHED_RELOC_SZ, 0x10)), (u8 *)COREBOOT_ADDR, 0x7000); //Bootblock memcpy((u8 *)(payload_src + ALIGN(PATCHED_RELOC_SZ, 0x10)), (u8 *)COREBOOT_ADDR, 0x7000); //Bootblock
*(vu32 *)CBFS_DRAM_EN_ADDR = CBFS_DRAM_MAGIC; *(vu32 *)CBFS_DRAM_EN_ADDR = CBFS_DRAM_MAGIC;
} }
}
int launch_payload(char *path)
{
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
if (!path)
return 1;
if (sd_mount())
{
FIL fp;
if (f_open(&fp, path, FA_READ))
{
EPRINTFARGS("Payload file is missing!\n(%s)", path);
sd_unmount();
return 1;
}
// Read and copy the payload to our chosen address
void *buf;
u32 size = f_size(&fp);
if (size < 0x30000)
buf = (void *)RCM_PAYLOAD_ADDR;
else
buf = (void *)COREBOOT_ADDR;
if (f_read(&fp, buf, size, NULL))
{
f_close(&fp);
sd_unmount();
return 1;
}
f_close(&fp);
sd_unmount();
if (size < 0x30000)
{
reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, ALIGN(size, 0x10));
reconfig_hw_workaround(false, byte_swap_32(*(u32 *)(buf + size - sizeof(u32))));
}
else
{
reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, 0x7000);
reconfig_hw_workaround(true, 0);
}
// Some cards (Sandisk U1), do not like a fast power cycle. Wait min 100ms.
sdmmc_storage_init_wait_sd();
void (*ext_payload_ptr)() = (void *)EXT_PAYLOAD_ADDR;
// Launch our payload.
(*ext_payload_ptr)();
}
return 1;
}
void launch_tools()
{
u8 max_entries = 61;
char *filelist = NULL;
char *file_sec = NULL;
char *dir = NULL;
ment_t *ments = (ment_t *)malloc(sizeof(ment_t) * (max_entries + 3));
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
if (sd_mount())
{
dir = (char *)malloc(256);
memcpy(dir, "sd:/bootloader/payloads", 24);
filelist = dirlist(dir, NULL, false);
u32 i = 0;
u32 i_off = 2;
if (filelist)
{
// Build configuration menu.
u32 color_idx = 0;
ments[0].type = MENT_BACK;
ments[0].caption = "Back";
ments[0].color = colors[(color_idx++) % 6];
ments[1].type = MENT_CHGLINE;
ments[1].color = colors[(color_idx++) % 6];
if (!f_stat("sd:/atmosphere/reboot_payload.bin", NULL))
{
ments[i_off].type = INI_CHOICE;
ments[i_off].caption = "reboot_payload.bin";
ments[i_off].color = colors[(color_idx++) % 6];
ments[i_off].data = "sd:/atmosphere/reboot_payload.bin";
i_off++;
}
if (!f_stat("sd:/ReiNX.bin", NULL))
{
ments[i_off].type = INI_CHOICE;
ments[i_off].caption = "ReiNX.bin";
ments[i_off].color = colors[(color_idx++) % 6];
ments[i_off].data = "sd:/ReiNX.bin";
i_off++;
}
while (true)
{
if (i > max_entries || !filelist[i * 256])
break;
ments[i + i_off].type = INI_CHOICE;
ments[i + i_off].caption = &filelist[i * 256];
ments[i + i_off].color = colors[(color_idx++) % 6];
ments[i + i_off].data = &filelist[i * 256];
i++;
}
}
if (i > 0)
{
memset(&ments[i + i_off], 0, sizeof(ment_t));
menu_t menu = { ments, "Choose a file to launch", 0, 0 };
file_sec = (char *)tui_do_menu(&menu);
if (!file_sec)
{
free(ments);
free(dir);
free(filelist);
sd_unmount();
return;
}
}
else
EPRINTF("No payloads or modules found.");
free(ments);
free(filelist);
}
else
{
free(ments);
goto out;
}
if (file_sec)
{
if (memcmp("sd:/", file_sec, 4)) {
memcpy(dir + strlen(dir), "/", 2);
memcpy(dir + strlen(dir), file_sec, strlen(file_sec) + 1);
}
else
memcpy(dir, file_sec, strlen(file_sec) + 1);
if (launch_payload(dir))
{
EPRINTF("Failed to launch payload.");
free(dir);
}
}
out:
sd_unmount();
free(dir);
btn_wait();
} }
void dump_sysnand() void dump_sysnand()
{ {
h_cfg.emummc_force_disable = true; h_cfg.emummc_force_disable = true;
b_cfg.extra_cfg &= ~EXTRA_CFG_DUMP_EMUMMC; b_cfg.extra_cfg &= ~EXTRA_CFG_DUMP_EMUMMC;
dump_keys(); dump_keys();
} }
void dump_emunand() void dump_emunand()
{ {
if (h_cfg.emummc_force_disable) if (h_cfg.emummc_force_disable)
return; return;
emu_cfg.enabled = 1; emu_cfg.enabled = 1;
b_cfg.extra_cfg |= EXTRA_CFG_DUMP_EMUMMC; b_cfg.extra_cfg |= EXTRA_CFG_DUMP_EMUMMC;
dump_keys(); dump_keys();
} }
ment_t ment_top[] = { ment_t ment_top[] = {
MDEF_HANDLER("Dump from SysNAND | Key generation: unk", dump_sysnand, COLOR_RED), MDEF_HANDLER("Dump from SysNAND | Key generation: unk", dump_sysnand, COLOR_RED),
MDEF_HANDLER("Dump from EmuNAND | Key generation: unk", dump_emunand, COLOR_ORANGE), MDEF_HANDLER("Dump from EmuNAND | Key generation: unk", dump_emunand, COLOR_ORANGE),
MDEF_CAPTION("---------------", COLOR_YELLOW), MDEF_CAPTION("---------------", COLOR_YELLOW),
MDEF_HANDLER("Reboot (Normal)", reboot_normal, COLOR_GREEN), MDEF_HANDLER("Payloads...", launch_tools, COLOR_GREEN),
MDEF_HANDLER("Reboot (RCM)", reboot_rcm, COLOR_BLUE), MDEF_CAPTION("---------------", COLOR_BLUE),
MDEF_HANDLER("Power off", power_off, COLOR_VIOLET), MDEF_HANDLER("Reboot (Normal)", reboot_normal, COLOR_VIOLET),
MDEF_END() MDEF_HANDLER("Reboot (RCM)", reboot_rcm, COLOR_RED),
MDEF_HANDLER("Power off", power_off, COLOR_ORANGE),
MDEF_END()
}; };
menu_t menu_top = { ment_top, NULL, 0, 0 }; menu_t menu_top = { ment_top, NULL, 0, 0 };
void _get_key_generations(char *sysnand_label, char *emunand_label) { void _get_key_generations(char *sysnand_label, char *emunand_label) {
sdmmc_t sdmmc; sdmmc_t sdmmc;
sdmmc_storage_t storage; sdmmc_storage_t storage;
sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4); sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4);
u8 *pkg1 = (u8 *)malloc(NX_EMMC_BLOCKSIZE); u8 *pkg1 = (u8 *)malloc(NX_EMMC_BLOCKSIZE);
sdmmc_storage_set_mmc_partition(&storage, 1); sdmmc_storage_set_mmc_partition(&storage, 1);
sdmmc_storage_read(&storage, 0x100000 / NX_EMMC_BLOCKSIZE, 1, pkg1); sdmmc_storage_read(&storage, 0x100000 / NX_EMMC_BLOCKSIZE, 1, pkg1);
const pkg1_id_t *pkg1_id = pkg1_identify(pkg1); const pkg1_id_t *pkg1_id = pkg1_identify(pkg1);
sdmmc_storage_end(&storage); sdmmc_storage_end(&storage);
if (pkg1_id) if (pkg1_id)
sprintf(sysnand_label + 36, "% 3d", pkg1_id->kb); sprintf(sysnand_label + 36, "% 3d", pkg1_id->kb);
ment_top[0].caption = sysnand_label; ment_top[0].caption = sysnand_label;
if (h_cfg.emummc_force_disable) { if (h_cfg.emummc_force_disable) {
free(pkg1); free(pkg1);
return; return;
} }
emummc_storage_init_mmc(&storage, &sdmmc); emummc_storage_init_mmc(&storage, &sdmmc);
memset(pkg1, 0, NX_EMMC_BLOCKSIZE); memset(pkg1, 0, NX_EMMC_BLOCKSIZE);
emummc_storage_set_mmc_partition(&storage, 1); emummc_storage_set_mmc_partition(&storage, 1);
emummc_storage_read(&storage, 0x100000 / NX_EMMC_BLOCKSIZE, 1, pkg1); emummc_storage_read(&storage, 0x100000 / NX_EMMC_BLOCKSIZE, 1, pkg1);
pkg1_id = pkg1_identify(pkg1); pkg1_id = pkg1_identify(pkg1);
emummc_storage_end(&storage); emummc_storage_end(&storage);
if (pkg1_id) if (pkg1_id)
sprintf(emunand_label + 36, "% 3d", pkg1_id->kb); sprintf(emunand_label + 36, "% 3d", pkg1_id->kb);
free(pkg1); free(pkg1);
ment_top[1].caption = emunand_label; ment_top[1].caption = emunand_label;
} }
#define IPL_STACK_TOP 0x90010000 #define IPL_STACK_TOP 0x90010000
@ -215,47 +400,49 @@ void _get_key_generations(char *sysnand_label, char *emunand_label) {
extern void pivot_stack(u32 stack_top); extern void pivot_stack(u32 stack_top);
// todo: chainload to reboot payload or payloads folder option?
void ipl_main() void ipl_main()
{ {
config_hw(); config_hw();
pivot_stack(IPL_STACK_TOP); pivot_stack(IPL_STACK_TOP);
heap_init(IPL_HEAP_START); heap_init(IPL_HEAP_START);
set_default_configuration(); set_default_configuration();
sd_mount(); sd_mount();
minerva_init(); minerva_init();
minerva_change_freq(FREQ_1600); minerva_change_freq(FREQ_1600);
display_init(); display_init();
u32 *fb = display_init_framebuffer(); u32 *fb = display_init_framebuffer();
gfx_init_ctxt(fb, 720, 1280, 720); gfx_init_ctxt(fb, 720, 1280, 720);
gfx_con_init(); gfx_con_init();
display_backlight_pwm_init(); display_backlight_pwm_init();
bpmp_clk_rate_set(BPMP_CLK_SUPER_BOOST); bpmp_clk_rate_set(BPMP_CLK_SUPER_BOOST);
h_cfg.emummc_force_disable = emummc_load_cfg(); h_cfg.emummc_force_disable = emummc_load_cfg();
if (b_cfg.boot_cfg & BOOT_CFG_SEPT_RUN) if (b_cfg.boot_cfg & BOOT_CFG_SEPT_RUN)
{ {
if (!(b_cfg.extra_cfg & EXTRA_CFG_DUMP_EMUMMC)) if (!(b_cfg.extra_cfg & EXTRA_CFG_DUMP_EMUMMC))
h_cfg.emummc_force_disable = true; h_cfg.emummc_force_disable = true;
dump_keys(); dump_keys();
} }
if (h_cfg.emummc_force_disable) if (h_cfg.emummc_force_disable)
{ {
ment_top[1].type = MENT_CAPTION; ment_top[1].type = MENT_CAPTION;
ment_top[1].color = 0xFF555555; ment_top[1].color = 0xFF555555;
ment_top[1].handler = NULL; ment_top[1].handler = NULL;
} }
_get_key_generations((char *)ment_top[0].caption, (char *)ment_top[1].caption); _get_key_generations((char *)ment_top[0].caption, (char *)ment_top[1].caption);
while (true) while (true)
tui_do_menu(&menu_top); tui_do_menu(&menu_top);
while (true) while (true)
bpmp_halt(); bpmp_halt();
} }