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Diffstat (limited to 'vpnor/test/write_patch_resize.cpp')
-rw-r--r-- | vpnor/test/write_patch_resize.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/vpnor/test/write_patch_resize.cpp b/vpnor/test/write_patch_resize.cpp new file mode 100644 index 0000000..8d67683 --- /dev/null +++ b/vpnor/test/write_patch_resize.cpp @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: Apache-2.0 +// Copyright (C) 2018 IBM Corp. + +#include <assert.h> +#include <experimental/filesystem> +#include <fcntl.h> +#include <stdint.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 "mboxd_flash.h" + +#include "vpnor/test/tmpd.hpp" + +static constexpr auto BLOCK_SIZE = 0x1000; +static constexpr auto PART_SIZE = BLOCK_SIZE; +static constexpr auto PATCH_SIZE = BLOCK_SIZE / 2; +static constexpr auto UPDATE_SIZE = BLOCK_SIZE; + +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; + 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); + std::vector<uint8_t> roContent(PART_SIZE, 0xff); + root.write("TEST1", roContent.data(), roContent.size()); + /* write_flash doesn't copy the file for us */ + std::vector<uint8_t> patchContent(PATCH_SIZE, 0xaa); + root.patch("TEST1", patchContent.data(), patchContent.size()); + + init_vpnor_from_paths(ctx); + + /* Test */ + std::vector<uint8_t> update(UPDATE_SIZE, 0x55); + rc = write_flash(ctx, 0x1000, update.data(), update.size()); + assert(rc == 0); + + /* Check that PATCH is modified with the new data */ + fs::path patch = root.patch() / "TEST1"; + assert(UPDATE_SIZE == fs::file_size(patch)); + fd = open(patch.c_str(), O_RDONLY); + map = mmap(NULL, UPDATE_SIZE, PROT_READ, MAP_SHARED, fd, 0); + assert(map != MAP_FAILED); + rc = memcmp(update.data(), map, update.size()); + assert(rc == 0); + munmap(map, update.size()); + close(fd); + + destroy_vpnor(ctx); + free(ctx->flash_bmap); + + return rc; +} |