vpnor/test/write_ro.cpp

// 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"

extern "C" {
#include "flash.h"
}

#include "vpnor/test/tmpd.hpp"

static constexpr auto BLOCK_SIZE = 0x1000;

const std::string toc[] = {
    "partition01=TEST1,00001000,00002000,80,ECC,READONLY",
};

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};
    int rc;

    /* Setup */
    memset(ctx, 0, sizeof(mbox_context));

    mbox_vlog = &mbox_log_console;
    verbosity = (verbose)2;

    test::VpnorRoot root(ctx, toc, BLOCK_SIZE);
    init_vpnor_from_paths(ctx);

    /* Test */
    rc = write_flash(ctx, 0x1000, src, sizeof(src));

    /* Verify we can't write to RO partitions */
    assert(rc != 0);

    destroy_vpnor(ctx);

    return 0;
}