| 1 | /* |
| 2 | * Guest code setup for migration tests |
| 3 | * |
| 4 | * Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates |
| 5 | * based on the vhost-user-test.c that is: |
| 6 | * Copyright (c) 2014 Virtual Open Systems Sarl. |
| 7 | * |
| 8 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 9 | * See the COPYING file in the top-level directory. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include "qemu/osdep.h" |
| 14 | |
| 15 | /* |
| 16 | * The boot file modifies memory area in [start_address, end_address) |
| 17 | * repeatedly. It outputs a 'B' at a fixed rate while it's still running. |
| 18 | */ |
| 19 | #include "bootfile.h" |
| 20 | #include "i386/a-b-bootblock.h" |
| 21 | #include "aarch64/a-b-kernel.h" |
| 22 | #include "loongarch64/a-b-kernel.h" |
| 23 | #include "ppc64/a-b-kernel.h" |
| 24 | #include "s390x/a-b-bios.h" |
| 25 | |
| 26 | static char *bootpath; |
| 27 | |
| 28 | void bootfile_delete(void) |
| 29 | { |
| 30 | if (!bootpath) { |
| 31 | return; |
| 32 | } |
| 33 | unlink(bootpath); |
| 34 | g_free(bootpath); |
| 35 | bootpath = NULL; |
| 36 | } |
| 37 | |
| 38 | char *bootfile_create(const char *arch, const char *dir, bool suspend_me) |
| 39 | { |
| 40 | unsigned char *content; |
| 41 | size_t len; |
| 42 | |
| 43 | bootfile_delete(); |
| 44 | bootpath = g_strdup_printf("%s/bootsect", dir); |
| 45 | if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { |
| 46 | /* the assembled x86 boot sector should be exactly one sector large */ |
| 47 | g_assert(sizeof(x86_bootsect) == 512); |
| 48 | x86_bootsect[SYM_suspend_me - SYM_start] = suspend_me; |
| 49 | content = x86_bootsect; |
| 50 | len = sizeof(x86_bootsect); |
| 51 | } else if (g_str_equal(arch, "s390x")) { |
| 52 | content = s390x_elf; |
| 53 | len = sizeof(s390x_elf); |
| 54 | } else if (strcmp(arch, "ppc64") == 0) { |
| 55 | content = ppc64_kernel; |
| 56 | len = sizeof(ppc64_kernel); |
| 57 | } else if (strcmp(arch, "aarch64") == 0) { |
| 58 | content = aarch64_kernel; |
| 59 | len = sizeof(aarch64_kernel); |
| 60 | g_assert(sizeof(aarch64_kernel) <= ARM_TEST_MAX_KERNEL_SIZE); |
| 61 | } else if (strcmp(arch, "loongarch64") == 0) { |
| 62 | content = loongarch64_kernel; |
| 63 | len = sizeof(loongarch64_kernel); |
| 64 | } else { |
| 65 | g_assert_not_reached(); |
| 66 | } |
| 67 | |
| 68 | FILE *bootfile = fopen(bootpath, "wb"); |
| 69 | |
| 70 | g_assert_cmpint(fwrite(content, len, 1, bootfile), ==, 1); |
| 71 | fclose(bootfile); |
| 72 | |
| 73 | return bootpath; |
| 74 | } |
| 75 | |
| 76 | char *bootfile_get(void) |
| 77 | { |
| 78 | return bootpath; |
| 79 | } |