static int do_bootstage_stash(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
ulong base, size;
int ret;
if (get_base_size(argc, argv, &base, &size))
return CMD_RET_USAGE;
if (base == -1UL) {
printf("No bootstage stash area defined\n");
return 1;
}
if (0 == strcmp(argv[0], "stash"))
ret = bootstage_stash((void *)base, size);
else
ret = bootstage_unstash((void *)base, size);
if (ret)
return 1;
return 0;
}
/* Record the board_init_f() bootstage (after arch_cpu_init()) */
static int initf_bootstage(void)
{
bool from_spl = IS_ENABLED(CONFIG_SPL_BOOTSTAGE) &&
IS_ENABLED(CONFIG_BOOTSTAGE_STASH);
int ret;
ret = bootstage_init(!from_spl);
if (ret)
return ret;
if (from_spl) {
const void *stash = map_sysmem(CONFIG_BOOTSTAGE_STASH_ADDR,
CONFIG_BOOTSTAGE_STASH_SIZE);
ret = bootstage_unstash(stash, CONFIG_BOOTSTAGE_STASH_SIZE);
if (ret && ret != -ENOENT) {
debug("Failed to unstash bootstage: err=%d\n", ret);
return ret;
}
}
bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
return 0;
}
static uint32_t
twostop_main_firmware(struct twostop_fmap *fmap, void *gbb,
crossystem_data_t *cdata, void *vb_shared_data)
{
VbError_t err;
VbSelectAndLoadKernelParams kparams;
VbCommonParams cparams;
size_t size = 0;
#ifdef CONFIG_BOOTSTAGE_STASH
bootstage_unstash((void *)CONFIG_BOOTSTAGE_STASH,
CONFIG_BOOTSTAGE_STASH_SIZE);
#endif
bootstage_mark_name(BOOTSTAGE_VBOOT_TWOSTOP_MAIN_FIRMWARE,
"twostop_main_firmware");
if (twostop_init_cparams(fmap, gbb, vb_shared_data, &cparams)) {
VBDEBUG("failed to init cparams\n");
return TWOSTOP_SELECT_ERROR;
}
/*
* Note that in case "kernel" is not found in the device tree, the
* "size" value is going to remain unchanged.
*/
kparams.kernel_buffer = cros_fdtdec_alloc_region(gd->fdt_blob,
"kernel", &size);
kparams.kernel_buffer_size = size;
VBDEBUG("kparams:\n");
VBDEBUG("- kernel_buffer: : %p\n", kparams.kernel_buffer);
VBDEBUG("- kernel_buffer_size: : %08x\n",
kparams.kernel_buffer_size);
#ifdef CONFIG_EXYNOS_DISPLAYPORT
/*
* Make sure the LCD is up before we load the kernel. Partly this
* is because VbSelectAndLoadKernel may do a software sync.
*/
exynos_lcd_check_next_stage(gd->fdt_blob, 1);
#endif
if ((err = VbSelectAndLoadKernel(&cparams, &kparams))) {
VBDEBUG("VbSelectAndLoadKernel: %d\n", err);
switch (err) {
case VBERROR_SHUTDOWN_REQUESTED:
return TWOSTOP_SELECT_POWER_OFF;
case VBERROR_BIOS_SHELL_REQUESTED:
return TWOSTOP_SELECT_COMMAND_LINE;
case VBERROR_EC_REBOOT_TO_RO_REQUIRED:
request_ec_reboot_to_ro();
return TWOSTOP_SELECT_POWER_OFF;
}
return TWOSTOP_SELECT_ERROR;
}
VBDEBUG("kparams:\n");
VBDEBUG("- kernel_buffer: : %p\n", kparams.kernel_buffer);
VBDEBUG("- kernel_buffer_size: : %08x\n",
kparams.kernel_buffer_size);
VBDEBUG("- disk_handle: : %p\n", kparams.disk_handle);
VBDEBUG("- partition_number: : %08x\n",
kparams.partition_number);
VBDEBUG("- bootloader_address: : %08llx\n",
kparams.bootloader_address);
VBDEBUG("- bootloader_size: : %08x\n",
kparams.bootloader_size);
VBDEBUG("- partition_guid: :");
#ifdef VBOOT_DEBUG
int i;
for (i = 0; i < 16; i++)
VbExDebug(" %02x", kparams.partition_guid[i]);
VbExDebug("\n");
#endif /* VBOOT_DEBUG */
/* EC might jump between RO and RW during software sync. We need to
* update active EC copy in cdata. */
set_active_ec_firmware(cdata);
crossystem_data_dump(cdata);
#if defined(CONFIG_SANDBOX)
return TWOSTOP_SELECT_COMMAND_LINE;
#else
boot_kernel(&kparams, cdata);
/* It is an error if boot_kenel returns */
return TWOSTOP_SELECT_ERROR;
#endif
}