1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
// SPDX-License-Identifier: Apache-2.0
// Copyright (C) 2018 IBM Corp.
#include <assert.h>
#include <string.h>
#include "config.h"
#include "mboxd_msg.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;
}
|
