u-boot/arch/sandbox/cpu/spl.c

87 lines
1.6 KiB
C
Raw Normal View History

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2016 Google, Inc
*/
#include <common.h>
#include <dm.h>
#include <hang.h>
#include <init.h>
#include <log.h>
#include <os.h>
#include <spl.h>
#include <asm/spl.h>
#include <asm/state.h>
#include <test/test.h>
DECLARE_GLOBAL_DATA_PTR;
/* SPL / TPL init function */
void board_init_f(ulong flag)
{
struct sandbox_state *state = state_get_current();
gd->arch.ram_buf = state->ram_buf;
gd->ram_size = state->ram_size;
}
u32 spl_boot_device(void)
{
return BOOT_DEVICE_BOARD;
}
static int spl_board_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
char fname[256];
int ret;
ret = os_find_u_boot(fname, sizeof(fname));
if (ret) {
printf("(%s not found, error %d)\n", fname, ret);
return ret;
}
/* Set up spl_image to boot from jump_to_image_no_args() */
spl_image->arg = strdup(fname);
if (!spl_image->arg)
return log_msg_ret("Setup exec filename", -ENOMEM);
return 0;
}
SPL_LOAD_IMAGE_METHOD("sandbox", 9, BOOT_DEVICE_BOARD, spl_board_load_image);
void spl_board_init(void)
{
struct sandbox_state *state = state_get_current();
preloader_console_init();
if (state->run_unittests) {
int ret;
ret = dm_test_main(state->select_unittests);
/* continue execution into U-Boot */
}
}
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
{
const char *fname = spl_image->arg;
if (fname) {
os_fd_restore();
os_spl_to_uboot(fname);
} else {
printf("No filename provided for U-Boot\n");
}
hang();
}
int handoff_arch_save(struct spl_handoff *ho)
{
ho->arch.magic = TEST_HANDOFF_MAGIC;
return 0;
}