| // SPDX-License-Identifier: Apache-2.0 |
| // Copyright (C) 2018 IBM Corp. |
| |
| #include "config.h" |
| |
| extern "C" { |
| #include "backend.h" |
| #include "common.h" |
| #include "mboxd.h" |
| } |
| |
| #include "vpnor/test/tmpd.hpp" |
| |
| #include <fcntl.h> |
| #include <stdint.h> |
| #include <sys/ioctl.h> |
| #include <sys/mman.h> |
| #include <sys/syslog.h> |
| #include <unistd.h> |
| |
| #include <cassert> |
| #include <experimental/filesystem> |
| |
| 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; |
| |
| ctx->backend.flash_size = 0x2000; |
| test::VpnorRoot root(&ctx->backend, toc, BLOCK_SIZE); |
| std::vector<uint8_t> roContent(PART_SIZE, 0xff); |
| root.write("TEST1", roContent.data(), roContent.size()); |
| /* flash_write doesn't copy the file for us */ |
| std::vector<uint8_t> patchContent(PATCH_SIZE, 0xaa); |
| root.patch("TEST1", patchContent.data(), patchContent.size()); |
| |
| /* Test */ |
| std::vector<uint8_t> update(UPDATE_SIZE, 0x55); |
| rc = backend_write(&ctx->backend, 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); |
| |
| return rc; |
| } |