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

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// 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/global_data.h>
#include <asm/spl.h>
#include <asm/state.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
int sandbox_find_next_phase(char *fname, int maxlen, bool use_img)
{
const char *cur_prefix, *next_prefix;
int ret;
cur_prefix = spl_phase_prefix(spl_phase());
next_prefix = spl_phase_prefix(spl_next_phase());
ret = os_find_u_boot(fname, maxlen, use_img, cur_prefix, next_prefix);
if (ret)
return log_msg_ret("find", ret);
return 0;
}
/* 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 = sandbox_find_next_phase(fname, sizeof(fname), false);
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(). Allocate this
* outsdide the RAM buffer (i.e. don't use strdup()).
*/
spl_image->arg = os_malloc(strlen(fname) + 1);
if (!spl_image->arg)
return log_msg_ret("exec", -ENOMEM);
strcpy(spl_image->arg, fname);
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) {
struct unit_test *tests = UNIT_TEST_ALL_START();
const int count = UNIT_TEST_ALL_COUNT();
int ret;
ret = ut_run_list("spl", NULL, tests, count,
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;
}