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Add payload launching. Supports all CFW bins, Linux, Tools.

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This commit is contained in:
Kostas Missos 2018-08-23 05:05:31 +03:00
parent 382f727be3
commit 7803bbcd83
1 changed files with 116 additions and 6 deletions
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122
bootloader/main.c
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@ -1740,6 +1740,116 @@ out:
btn_wait(); btn_wait();
} }
// This is a safe and unused DRAM region for our payloads.
#define IPL_START 0x40008000
#define EXT_PAYLOAD_ADDR 0xC03C0000
#define PATCHED_RELOC_SZ 0x94
#define RCM_PAYLOAD_ADDR (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10))
#define PAYLOAD_ENTRY 0x40010000
#define CBFS_SDRAM_EN_ADDR 0x4003e000
#define COREBOOT_ADDR (0xD0000000 - 0x100000)
void (*ext_payload_ptr)() = (void *)EXT_PAYLOAD_ADDR;
void reloc_patcher(u32 payload_size)
{
const u32 START_OFF = 0x7C;
const u32 PAYLOAD_END_OFF = 0x84;
const u32 IPL_START_OFF = 0x88;
memcpy((u8 *)EXT_PAYLOAD_ADDR, (u8 *)IPL_START, PATCHED_RELOC_SZ);
*(vu32 *)(EXT_PAYLOAD_ADDR + START_OFF) = PAYLOAD_ENTRY - ALIGN(PATCHED_RELOC_SZ, 0x10);
*(vu32 *)(EXT_PAYLOAD_ADDR + PAYLOAD_END_OFF) = PAYLOAD_ENTRY + payload_size;
*(vu32 *)(EXT_PAYLOAD_ADDR + IPL_START_OFF) = PAYLOAD_ENTRY;
if (payload_size == 0x7000)
{
memcpy((u8 *)(EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10)), (u8 *)COREBOOT_ADDR, 0x7000); //Bootblock
*(vu32 *)CBFS_SDRAM_EN_ADDR = 0x4452414D;
}
}
int launch_payload(char *path, bool update)
{
gfx_clear_grey(&gfx_ctxt, 0x1B);
gfx_con_setpos(&gfx_con, 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);
free(path);
if (update)
{
u8 *update_ft = calloc(1, 6);
memcpy(update_ft, buf + size - 6, 6);
update_ft[4] -= '0';
update_ft[5] -= '0';
if (*(u32 *)update_ft == 0x43544349)
{
if (update_ft[4] < BLVERSIONMJ || (update_ft[4] == BLVERSIONMJ && update_ft[5] <= BLVERSIONMN))
{
free(update_ft);
return 1;
}
*(vu32 *)BOOTLOADER_UPDATED_MAGIC_ADDR = BOOTLOADER_UPDATED_MAGIC;
}
else
return 1;
free(update_ft);
}
sd_unmount();
if (size < 0x30000)
{
if (!update)
reloc_patcher(ALIGN(size, 0x10));
reconfig_hw_workaround(0);
}
else
{
reloc_patcher(0x7000);
if (*(vu32 *)CBFS_SDRAM_EN_ADDR != 0x4452414D)
return 1;
reconfig_hw_workaround(1);
}
// Launch our payload.
(*ext_payload_ptr)();
}
return 1;
}
void auto_launch_update() void auto_launch_update()
{ {
FIL fp; FIL fp;
@ -1754,7 +1864,7 @@ void auto_launch_update()
else else
{ {
f_close(&fp); f_close(&fp);
//launch_payload("bootloader/update.bin", true); launch_payload("bootloader/update.bin", true);
} }
} }
@ -1846,7 +1956,7 @@ void launch_tools(u8 type)
if (!type) if (!type)
{ {
//if (launch_payload(dir, false)) if (launch_payload(dir, false))
EPRINTF("Failed to launch payload."); EPRINTF("Failed to launch payload.");
} }
else else
@ -1939,11 +2049,11 @@ void ini_list_launcher()
if (payload_path) if (payload_path)
{ {
ini_free_section(cfg_sec); ini_free_section(cfg_sec);
//if (launch_payload(payload_path, false)) if (launch_payload(payload_path, false))
//{ {
EPRINTF("Failed to launch payload."); EPRINTF("Failed to launch payload.");
free(payload_path); free(payload_path);
//} }
} }
else if (!hos_launch(cfg_sec)) else if (!hos_launch(cfg_sec))
{ {
@ -2288,7 +2398,7 @@ void auto_launch_firmware()
if (payload_path) if (payload_path)
{ {
ini_free_section(cfg_sec); ini_free_section(cfg_sec);
//if (launch_payload(payload_path, false)) if (launch_payload(payload_path, false))
free(payload_path); free(payload_path);
} }
else else