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/*
* Guest code setup for migration tests
*
* Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates
* based on the vhost-user-test.c that is:
* Copyright (c) 2014 Virtual Open Systems Sarl.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#include "qemu/osdep.h"
/*
* The boot file modifies memory area in [start_address, end_address)
* repeatedly. It outputs a 'B' at a fixed rate while it's still running.
*/
#include "bootfile.h"
#include "i386/a-b-bootblock.h"
#include "aarch64/a-b-kernel.h"
#include "ppc64/a-b-kernel.h"
#include "s390x/a-b-bios.h"
static char *bootpath;
void bootfile_delete(void)
{
if (!bootpath) {
return;
}
unlink(bootpath);
g_free(bootpath);
bootpath = NULL;
}
char *bootfile_create(const char *arch, const char *dir, bool suspend_me)
{
unsigned char *content;
size_t len;
bootfile_delete();
bootpath = g_strdup_printf("%s/bootsect", dir);
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
/* the assembled x86 boot sector should be exactly one sector large */
g_assert(sizeof(x86_bootsect) == 512);
x86_bootsect[SYM_suspend_me - SYM_start] = suspend_me;
content = x86_bootsect;
len = sizeof(x86_bootsect);
} else if (g_str_equal(arch, "s390x")) {
content = s390x_elf;
len = sizeof(s390x_elf);
} else if (strcmp(arch, "ppc64") == 0) {
content = ppc64_kernel;
len = sizeof(ppc64_kernel);
} else if (strcmp(arch, "aarch64") == 0) {
content = aarch64_kernel;
len = sizeof(aarch64_kernel);
g_assert(sizeof(aarch64_kernel) <= ARM_TEST_MAX_KERNEL_SIZE);
} else {
g_assert_not_reached();
}
FILE *bootfile = fopen(bootpath, "wb");
g_assert_cmpint(fwrite(content, len, 1, bootfile), ==, 1);
fclose(bootfile);
return bootpath;
}
char *bootfile_get(void)
{
return bootpath;
}
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