7811a8ae52
Add an example of a program which boots an OS by calling into the U-Boot library. Series-to: concept Co-developed-by: Claude <noreply@anthropic.com> Co-developed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org> Series-links: 1:28
65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Boot test program using U-Boot library
|
|
*
|
|
* This demonstrates basic initialization and cleanup of the U-Boot library.
|
|
* It will be used for testing bootstd functionality using ulib.
|
|
*
|
|
* Copyright 2025 Canonical Ltd.
|
|
* Written by Simon Glass <simon.glass@canonical.com>
|
|
*/
|
|
|
|
/* Use system headers, not U-Boot headers */
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <u-boot-api.h>
|
|
#include <u-boot-lib.h>
|
|
|
|
/* Forward declaration for bootflow function */
|
|
int bootflow_internal_scan(void);
|
|
|
|
/* Forward declaration for host function (simplified) */
|
|
int host_create_attach_file(const char *label, const char *filename,
|
|
int removable, unsigned long blksz,
|
|
void *devp);
|
|
|
|
static void fatal(const char *msg)
|
|
{
|
|
fprintf(stderr, "Error: %s\n", msg);
|
|
exit(1);
|
|
}
|
|
|
|
static int try_boot(void)
|
|
{
|
|
int ret;
|
|
|
|
printf("Scanning for bootflows...\n");
|
|
|
|
/* MMC device attachment will be done in bootflow_internal_scan() */
|
|
|
|
ret = bootflow_internal_scan();
|
|
if (ret) {
|
|
printf("Internal scan failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int ret;
|
|
|
|
ret = ulib_init(argv[0]);
|
|
if (ret)
|
|
fatal("Failed to init U-Boot library");
|
|
|
|
ret = try_boot();
|
|
if (ret)
|
|
printf("Boot attempt failed: %d\n", ret);
|
|
|
|
ulib_uninit();
|
|
return ret;
|
|
}
|