1 // SPDX-License-Identifier: Apache-2.0
2 // Copyright (C) 2018 IBM Corp.
3
4 #include "config.h"
5
6 extern "C" {
7 #include "backend.h"
8 #include "common.h"
9 #include "mboxd.h"
10 }
11
12 #include "vpnor/test/tmpd.hpp"
13
14 #include <fcntl.h>
15 #include <stdint.h>
16 #include <sys/ioctl.h>
17 #include <sys/mman.h>
18 #include <sys/syslog.h>
19 #include <unistd.h>
20
21 #include <cassert>
22 #include <filesystem>
23
24 static constexpr auto BLOCK_SIZE = 0x1000;
25 static constexpr auto PART_SIZE = BLOCK_SIZE;
26 static constexpr auto PATCH_SIZE = BLOCK_SIZE / 2;
27 static constexpr auto UPDATE_SIZE = BLOCK_SIZE;
28
29 const std::string toc[] = {
30 "partition01=TEST1,00001000,00002000,80,ECC,READWRITE",
31 };
32
main(void)33 int main(void)
34 {
35 namespace fs = std::filesystem;
36 namespace test = openpower::virtual_pnor::test;
37
38 struct mbox_context _ctx, *ctx = &_ctx;
39 void* map;
40 int rc;
41 int fd;
42
43 /* Setup */
44 memset(ctx, 0, sizeof(mbox_context));
45
46 mbox_vlog = &mbox_log_console;
47 verbosity = (verbose)2;
48
49 ctx->backend.flash_size = 0x2000;
50 test::VpnorRoot root(&ctx->backend, toc, BLOCK_SIZE);
51 std::vector<uint8_t> roContent(PART_SIZE, 0xff);
52 root.write("TEST1", roContent.data(), roContent.size());
53 /* flash_write doesn't copy the file for us */
54 std::vector<uint8_t> patchContent(PATCH_SIZE, 0xaa);
55 root.patch("TEST1", patchContent.data(), patchContent.size());
56
57 /* Test */
58 std::vector<uint8_t> update(UPDATE_SIZE, 0x55);
59 rc = backend_write(&ctx->backend, 0x1000, update.data(), update.size());
60 assert(rc == 0);
61
62 /* Check that PATCH is modified with the new data */
63 fs::path patch = root.patch() / "TEST1";
64 assert(UPDATE_SIZE == fs::file_size(patch));
65 fd = open(patch.c_str(), O_RDONLY);
66 map = mmap(NULL, UPDATE_SIZE, PROT_READ, MAP_SHARED, fd, 0);
67 assert(map != MAP_FAILED);
68 rc = memcmp(update.data(), map, update.size());
69 assert(rc == 0);
70 munmap(map, update.size());
71 close(fd);
72
73 return rc;
74 }
75