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// 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 "windows.h"
#include "test/mbox.h"
#include "test/system.h"
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
#define BLOCK_SIZE 4096
#define ERASE_SIZE BLOCK_SIZE
#define N_WINDOWS 3
#define WINDOW_SIZE BLOCK_SIZE
#define MEM_SIZE (N_WINDOWS * WINDOW_SIZE)
#define PNOR_SIZE ((N_WINDOWS + 1) * WINDOW_SIZE)
static const uint8_t get_info[] = {0x02, 0x00, 0x02, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00};
#define 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()
{
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);
rc = mbox_command_dispatch(tctx->ctx, get_info, sizeof(get_info));
assert(rc == 1);
pos = 0;
while (pos < ((PNOR_SIZE - BLOCK_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;
}
windows_reset_all(tctx->ctx);
rc = mbox_create_read_window(tctx, pos, (WINDOW_SIZE / BLOCK_SIZE));
assert(rc == 1);
return 0;
}
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