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hekate: write rsvd cfg to update.bin if different

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This commit is contained in:
CTCaer
2025-12-01 13:53:34 +02:00
committed by NaGa
parent 3af536f954
commit 4430833d28
2 changed files with 40 additions and 41 deletions
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7
bootloader/hos/pkg3.c
View File

@@ -31,7 +31,7 @@
//#define DPRINTF(...) gfx_printf(__VA_ARGS__)
#define DPRINTF(...)
extern bool is_ipl_updated(void *buf, const char *path, bool force);
extern bool is_ipl_updated(void *buf, u32 size, const char *path, bool force);
#define PKG3_KIP_SKIP_MAX 16
@@ -86,9 +86,10 @@ typedef struct _pkg3_content_t
static void _pkg3_update_r2p()
{
u8 *r2p_payload = emusd_file_read("atmosphere/reboot_payload.bin", NULL);
u32 size = 0;
u8 *r2p_payload = emusd_file_read("atmosphere/reboot_payload.bin", &size);
is_ipl_updated(r2p_payload, "emusd:atmosphere/reboot_payload.bin", h_cfg.updater2p ? true : false);
is_ipl_updated(r2p_payload, size, "emusd:atmosphere/reboot_payload.bin", h_cfg.updater2p ? true : false);
free(r2p_payload);
}

74
bootloader/main.c
View File

@@ -95,6 +95,7 @@ static void _check_power_off_from_hos()
// This is a safe and unused DRAM region for our payloads.
#define RELOC_META_OFF 0x7C
#define PATCHED_RELOC_SZ 0x94
#define VERSION_RCFG_OFF 0x120
#define PATCHED_RELOC_STACK 0x40007000
#define PATCHED_RELOC_ENTRY 0x40010000
#define EXT_PAYLOAD_ADDR 0xC0000000
@@ -124,7 +125,7 @@ static void _reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size)
}
}
bool is_ipl_updated(void *buf, const char *path, bool force)
bool is_ipl_updated(void *buf, u32 size, const char *path, bool force)
{
ipl_ver_meta_t *update_ft = (ipl_ver_meta_t *)(buf + PATCHED_RELOC_SZ + sizeof(boot_cfg_t));
@@ -134,28 +135,32 @@ bool is_ipl_updated(void *buf, const char *path, bool force)
// Check if newer version.
if (!force && magic_valid)
{
// Copy reserved config.
if (size && !is_valid_old && memcmp((u8 *)(IPL_LOAD_ADDR + VERSION_RCFG_OFF), (u8 *)(buf + VERSION_RCFG_OFF), sizeof(rsvd_cfg_t)))
{
memcpy((u8 *)(buf + VERSION_RCFG_OFF), (u8 *)(IPL_LOAD_ADDR + VERSION_RCFG_OFF), sizeof(rsvd_cfg_t));
sd_save_to_file(buf, size, path);
}
if (byte_swap_32(update_ft->version) > byte_swap_32(ipl_ver.version))
return false;
}
// Update if old or broken.
if (force_update || is_valid_old)
{
FIL fp;
boot_cfg_t tmp_cfg;
reloc_meta_t *reloc = (reloc_meta_t *)(IPL_LOAD_ADDR + RELOC_META_OFF);
boot_cfg_t *tmp_cfg = zalloc(sizeof(boot_cfg_t));
f_open(&fp, path, FA_WRITE | FA_CREATE_ALWAYS);
f_write(&fp, (u8 *)reloc->start, reloc->end - reloc->start, NULL);
// Write needed tag in case injected ipl uses old versioning.
f_write(&fp, "ICTC49", 6, NULL);
// Reset boot storage configuration.
f_lseek(&fp, PATCHED_RELOC_SZ);
f_write(&fp, tmp_cfg, sizeof(boot_cfg_t), NULL);
memcpy(&tmp_cfg, (u8 *)(reloc->start + PATCHED_RELOC_SZ), sizeof(boot_cfg_t));
memset((u8 *)(reloc->start + PATCHED_RELOC_SZ), 0, sizeof(boot_cfg_t));
f_close(&fp);
free(tmp_cfg);
sd_save_to_file((u8 *)reloc->start, reloc->end - reloc->start, path);
// Restore boot storage configuration.
memcpy((u8 *)(reloc->start + PATCHED_RELOC_SZ), &tmp_cfg, sizeof(boot_cfg_t));
}
return true;
@@ -167,8 +172,10 @@ static void _launch_payload(char *path, bool update, bool clear_screen)
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
FIL fp;
if (f_open(&fp, path, FA_READ))
// Read payload.
u32 size = 0;
void *buf = sd_file_read(path, &size);
if (!buf)
{
gfx_con.mute = false;
EPRINTFARGS("Payload file is missing!\n(%s)", path);
@@ -176,20 +183,20 @@ static void _launch_payload(char *path, bool update, bool clear_screen)
goto out;
}
// Read and copy the payload to our chosen address
void *buf;
u32 size = f_size(&fp);
if (update && is_ipl_updated(buf, size, path, false))
goto out;
// Set payload address.
void *payload;
if (size < 0x30000)
buf = (void *)RCM_PAYLOAD_ADDR;
payload = (void *)RCM_PAYLOAD_ADDR;
else
{
coreboot_addr = (void *)(COREBOOT_END_ADDR - size);
buf = coreboot_addr;
payload = coreboot_addr;
if (h_cfg.t210b01)
{
f_close(&fp);
gfx_con.mute = false;
EPRINTF("Coreboot not allowed on Mariko!");
@@ -197,22 +204,12 @@ static void _launch_payload(char *path, bool update, bool clear_screen)
}
}
if (f_read(&fp, buf, size, NULL))
{
f_close(&fp);
goto out;
}
f_close(&fp);
if (update && is_ipl_updated(buf, path, false))
goto out;
boot_storage_end();
sd_end();
emmc_end();
// Copy the payload to our chosen address.
memcpy(payload, buf, size);
if (size < 0x30000)
{
if (update)
@@ -220,7 +217,7 @@ static void _launch_payload(char *path, bool update, bool clear_screen)
else
_reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, ALIGN(size, 0x10));
hw_deinit(false, byte_swap_32(*(u32 *)(buf + size - sizeof(u32))));
hw_deinit(false, byte_swap_32(*(u32 *)(payload + size - sizeof(u32))));
}
else
{
@@ -228,7 +225,7 @@ static void _launch_payload(char *path, bool update, bool clear_screen)
// Get coreboot seamless display magic.
u32 magic = 0;
char *magic_ptr = buf + COREBOOT_VER_OFF;
char *magic_ptr = payload + COREBOOT_VER_OFF;
memcpy(&magic, magic_ptr + strlen(magic_ptr) - 4, 4);
hw_deinit(true, magic);
}
@@ -252,6 +249,7 @@ static void _launch_payload(char *path, bool update, bool clear_screen)
}
out:
free(buf);
if (!update)
{
gfx_con.mute = false;
@@ -793,7 +791,7 @@ static void _check_for_updated_bootloader()
else
{
u8 *buf = zalloc(0x200);
is_ipl_updated(buf, "bootloader/update.bin", true);
is_ipl_updated(buf, 0, "bootloader/update.bin", true);
free(buf);
}
}