1 // SPDX-License-Identifier: Apache-2.0
2 // Copyright (C) 2018 IBM Corp.
3
4 #include <assert.h>
5 #include <string.h>
6
7 #include "config.h"
8 #include "transport_mbox.h"
9 #include "windows.h"
10
11 #include "test/mbox.h"
12 #include "test/system.h"
13
14 struct test_context
15 {
16 uint8_t seq;
17 struct mbox_context *ctx;
18 };
19
20 // Configure the system and the paritions such that we eventually request a
21 // window that covers the last section of flash, but the remaining flash is
22 // smaller than the window size
23 #define BLOCK_SIZE 4096
24 #define ERASE_SIZE BLOCK_SIZE
25 #define N_WINDOWS 3
26 #define WINDOW_SIZE BLOCK_SIZE
27 #define MEM_SIZE (N_WINDOWS * WINDOW_SIZE)
28 #define PNOR_SIZE ((N_WINDOWS + 1) * WINDOW_SIZE)
29
30 static const uint8_t get_info[] = {0x02, 0x00, 0x02, 0x00, 0x00, 0x00,
31 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
32 0x00, 0x00, 0x00, 0x00};
33
34 #define MBOX_CREATE_READ_WINDOW 4
35
mbox_create_read_window(struct test_context * tctx,size_t offset,size_t len)36 static int mbox_create_read_window(struct test_context *tctx, size_t offset,
37 size_t len)
38 {
39 union mbox_regs regs;
40
41 memset(®s, 0, sizeof(regs));
42 regs.msg.command = MBOX_CREATE_READ_WINDOW;
43 regs.msg.seq = ++tctx->seq;
44 put_u16(®s.msg.args[0], offset);
45 put_u16(®s.msg.args[2], len);
46
47 return mbox_command_dispatch(tctx->ctx, regs.raw, sizeof(regs.raw));
48 }
49
main()50 int main()
51 {
52 struct test_context _tctx = {0}, *tctx = &_tctx;
53 size_t len;
54 size_t pos;
55 int rc;
56
57 system_set_reserved_size(MEM_SIZE);
58 system_set_mtd_sizes(PNOR_SIZE, ERASE_SIZE);
59
60 tctx->ctx = mbox_create_test_context(N_WINDOWS, WINDOW_SIZE);
61
62 rc = mbox_command_dispatch(tctx->ctx, get_info, sizeof(get_info));
63 assert(rc == 1);
64
65 pos = 0;
66 while (pos < ((PNOR_SIZE - BLOCK_SIZE) / BLOCK_SIZE))
67 {
68 struct mbox_msg _msg, *msg = &_msg;
69
70 rc = mbox_create_read_window(tctx, pos, (WINDOW_SIZE / BLOCK_SIZE));
71 assert(rc == 1);
72
73 mbox_rspcpy(tctx->ctx, msg);
74
75 len = get_u16(&msg->args[2]);
76 pos = get_u16(&msg->args[4]) + len;
77 }
78
79 windows_reset_all(tctx->ctx);
80
81 rc = mbox_create_read_window(tctx, pos, (WINDOW_SIZE / BLOCK_SIZE));
82 assert(rc == 1);
83
84 return 0;
85 }
86