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// SPDX-License-Identifier: Apache-2.0
// Copyright (C) 2018 IBM Corp.
#include <assert.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "common.h"
#include "mbox.h"
#include "mboxd_flash.h"
#include "test/vpnor/tmpd.hpp"
static constexpr auto BLOCK_SIZE = 0x1000;
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;
uint8_t src[8] = {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);
/* write_flash() doesn't copy the file for us */
assert(fs::copy_file(root.ro() / "TEST1", root.rw() / "TEST1"));
init_vpnor_from_paths(ctx);
/* Test */
memset(src, 0xbb, sizeof(src));
rc = write_flash(ctx, 0x1000, src, sizeof(src));
assert(rc == 0);
fd = open((root.rw() / "TEST1").c_str(), O_RDONLY);
map = mmap(NULL, sizeof(src), PROT_READ, MAP_PRIVATE, fd, 0);
assert(map != MAP_FAILED);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
/* Ensure single byte writes function */
memset(src, 0xcc, sizeof(src));
rc = write_flash(ctx, 0x1000, src, sizeof(src));
assert(rc == 0);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
src[0] = 0xff;
rc = write_flash(ctx, 0x1000, src, 1);
assert(rc == 0);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
src[1] = 0xff;
rc = write_flash(ctx, 0x1000 + 1, &src[1], 1);
assert(rc == 0);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
src[2] = 0xff;
rc = write_flash(ctx, 0x1000 + 2, &src[2], 1);
assert(rc == 0);
rc = memcmp(src, map, sizeof(src));
assert(rc == 0);
/* Writes past the end of the partition should fail */
rc = write_flash(ctx, 0x1000 + 0xff9, src, sizeof(src));
assert(rc < 0);
/* Check that RW file is unmodified after the bad 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(src, map, sizeof(src));
assert(rc == 0);
munmap(map, sizeof(src));
close(fd);
destroy_vpnor(ctx);
return 0;
}
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