| // SPDX-License-Identifier: Apache-2.0 |
| // Copyright (C) 2018 IBM Corp. |
| |
| #include <assert.h> |
| #include <string.h> |
| |
| #include "config.h" |
| #include "transport_mbox.h" |
| #include "vpnor/mboxd_pnor_partition_table.h" |
| |
| extern "C" { |
| #include "test/mbox.h" |
| #include "test/system.h" |
| } |
| |
| #include "vpnor/test/tmpd.hpp" |
| |
| struct test_context |
| { |
| uint8_t seq; |
| struct mbox_context *ctx; |
| }; |
| |
| // Configure the system and the paritions such that we eventually request a |
| // window that covers the last section of flash, but the remaining flash is |
| // smaller than the window size |
| static constexpr auto BLOCK_SIZE = 4096; |
| static constexpr auto ERASE_SIZE = BLOCK_SIZE; |
| static constexpr auto N_WINDOWS = 3; |
| static constexpr auto WINDOW_SIZE = 2 * BLOCK_SIZE; |
| static constexpr auto MEM_SIZE = N_WINDOWS * WINDOW_SIZE; |
| static constexpr auto PNOR_SIZE = (4 * BLOCK_SIZE); |
| |
| const std::string toc[] = { |
| "partition01=ONE,00001000,00003000,80,ECC,READONLY", |
| }; |
| |
| static const uint8_t get_info[] = {0x02, 0x00, 0x02, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00}; |
| |
| static constexpr auto MBOX_CREATE_READ_WINDOW = 4; |
| |
| static int mbox_create_read_window(struct test_context *tctx, size_t offset, |
| size_t len) |
| { |
| union mbox_regs regs; |
| |
| memset(®s, 0, sizeof(regs)); |
| regs.msg.command = MBOX_CREATE_READ_WINDOW; |
| regs.msg.seq = ++tctx->seq; |
| put_u16(®s.msg.args[0], offset); |
| put_u16(®s.msg.args[2], len); |
| |
| return mbox_command_dispatch(tctx->ctx, regs.raw, sizeof(regs.raw)); |
| } |
| |
| int main() |
| { |
| namespace test = openpower::virtual_pnor::test; |
| |
| struct test_context _tctx = {0}, *tctx = &_tctx; |
| size_t len; |
| size_t pos; |
| int rc; |
| |
| system_set_reserved_size(MEM_SIZE); |
| system_set_mtd_sizes(PNOR_SIZE, ERASE_SIZE); |
| |
| tctx->ctx = mbox_create_test_context(N_WINDOWS, WINDOW_SIZE); |
| test::VpnorRoot root(tctx->ctx, toc, BLOCK_SIZE); |
| init_vpnor_from_paths(tctx->ctx); |
| |
| rc = mbox_command_dispatch(tctx->ctx, get_info, sizeof(get_info)); |
| assert(rc == 1); |
| |
| pos = 0; |
| while (pos < (PNOR_SIZE / BLOCK_SIZE)) |
| { |
| struct mbox_msg _msg, *msg = &_msg; |
| |
| rc = mbox_create_read_window(tctx, pos, (WINDOW_SIZE / BLOCK_SIZE)); |
| assert(rc == 1); |
| |
| mbox_rspcpy(tctx->ctx, msg); |
| |
| len = get_u16(&msg->args[2]); |
| pos = get_u16(&msg->args[4]) + len; |
| } |
| |
| return 0; |
| } |