blob: 1a3e4ee002f72a26c6cab8ab465408ce93ced4fa [file] [log] [blame]
// SPDX-License-Identifier: Apache-2.0
// Copyright (C) 2018 IBM Corp.
#include <assert.h>
#include <experimental/filesystem>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/syslog.h>
#include <unistd.h>
#include "config.h"
#include "common.h"
#include "mbox.h"
#include "flash.h"
#include "vpnor/test/tmpd.hpp"
static constexpr auto BLOCK_SIZE = 0x1000;
static constexpr auto DATA_SIZE = 8;
const uint8_t data[DATA_SIZE] = {0xa0, 0xa1, 0xa2, 0xa3,
0xa4, 0xa5, 0xa6, 0xa7};
const std::string toc[] = {
"partition01=TEST1,00001000,00002000,80,ECC,READWRITE",
};
int main(void)
{
namespace fs = std::experimental::filesystem;
namespace test = openpower::virtual_pnor::test;
struct mbox_context _ctx, *ctx = &_ctx;
char src[DATA_SIZE]{0};
void *map;
int rc;
int fd;
/* Setup */
memset(ctx, 0, sizeof(mbox_context));
mbox_vlog = &mbox_log_console;
verbosity = (verbose)2;
test::VpnorRoot root(ctx, toc, BLOCK_SIZE);
root.write("TEST1", data, sizeof(data));
/* write_flash doesn't copy the file for us */
assert(fs::copy_file(root.ro() / "TEST1", root.rw() / "TEST1"));
fs::path patch = root.patch() / "TEST1";
assert(fs::copy_file(root.ro() / "TEST1", patch));
init_vpnor_from_paths(ctx);
/* Test */
memset(src, 0x33, sizeof(src));
rc = write_flash(ctx, 0x1000, src, sizeof(src));
assert(rc == 0);
/* Check that RW file is unmodified after the patch write */
fd = open((root.rw() / "TEST1").c_str(), O_RDONLY);
map = mmap(NULL, sizeof(src), PROT_READ, MAP_SHARED, fd, 0);
assert(map != MAP_FAILED);
rc = memcmp(data, map, sizeof(src));
assert(rc == 0);
munmap(map, sizeof(src));
close(fd);
/* Check that PATCH is modified with the new data */
fd = open(patch.c_str(), O_RDONLY);
map = mmap(NULL, sizeof(src), PROT_READ, MAP_SHARED, fd, 0);
assert(map != MAP_FAILED);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
munmap(map, sizeof(src));
close(fd);
destroy_vpnor(ctx);
free(ctx->flash_bmap);
return rc;
}