1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* Copyright (c) 2026-present Eclipse ThreadX contributors |
4 |
|
|
* |
5 |
|
|
* This program and the accompanying materials are made available under the |
6 |
|
|
* terms of the MIT License which is available at |
7 |
|
|
* https://opensource.org/licenses/MIT. |
8 |
|
|
* |
9 |
|
|
* SPDX-License-Identifier: MIT |
10 |
|
|
**************************************************************************/ |
11 |
|
|
|
12 |
|
|
|
13 |
|
|
/**************************************************************************/ |
14 |
|
|
/**************************************************************************/ |
15 |
|
|
/** */ |
16 |
|
|
/** LevelX Component */ |
17 |
|
|
/** */ |
18 |
|
|
/** NOR Flash */ |
19 |
|
|
/** */ |
20 |
|
|
/**************************************************************************/ |
21 |
|
|
/**************************************************************************/ |
22 |
|
|
|
23 |
|
|
#define LX_SOURCE_CODE |
24 |
|
|
|
25 |
|
|
|
26 |
|
|
/* Disable ThreadX error checking. */ |
27 |
|
|
|
28 |
|
|
#ifndef LX_DISABLE_ERROR_CHECKING |
29 |
|
|
#define LX_DISABLE_ERROR_CHECKING |
30 |
|
|
#endif |
31 |
|
|
|
32 |
|
|
|
33 |
|
|
/* Include necessary system files. */ |
34 |
|
|
|
35 |
|
|
#include "lx_api.h" |
36 |
|
|
|
37 |
|
|
|
38 |
|
|
/**************************************************************************/ |
39 |
|
|
/* */ |
40 |
|
|
/* FUNCTION RELEASE */ |
41 |
|
|
/* */ |
42 |
|
|
/* _lx_nor_flash_defragment PORTABLE C */ |
43 |
|
|
/* 6.1.7 */ |
44 |
|
|
/* AUTHOR */ |
45 |
|
|
/* */ |
46 |
|
|
/* William E. Lamie, Microsoft Corporation */ |
47 |
|
|
/* */ |
48 |
|
|
/* DESCRIPTION */ |
49 |
|
|
/* */ |
50 |
|
|
/* This function defragments the NOR flash. */ |
51 |
|
|
/* */ |
52 |
|
|
/* INPUT */ |
53 |
|
|
/* */ |
54 |
|
|
/* nor_flash NOR flash instance */ |
55 |
|
|
/* */ |
56 |
|
|
/* OUTPUT */ |
57 |
|
|
/* */ |
58 |
|
|
/* return status */ |
59 |
|
|
/* */ |
60 |
|
|
/* CALLS */ |
61 |
|
|
/* */ |
62 |
|
|
/* _lx_nor_flash_block_reclaim Reclaim a NOR flash block */ |
63 |
|
|
/* tx_mutex_get Get thread protection */ |
64 |
|
|
/* tx_mutex_put Release thread protection */ |
65 |
|
|
/* */ |
66 |
|
|
/* CALLED BY */ |
67 |
|
|
/* */ |
68 |
|
|
/* Application Code */ |
69 |
|
|
/* Internal LevelX */ |
70 |
|
|
/* */ |
71 |
|
|
/**************************************************************************/ |
72 |
|
10 |
UINT _lx_nor_flash_defragment(LX_NOR_FLASH *nor_flash) |
73 |
|
|
{ |
74 |
|
|
|
75 |
|
|
ULONG i; |
76 |
|
|
|
77 |
|
|
|
78 |
|
|
#ifdef LX_THREAD_SAFE_ENABLE |
79 |
|
|
|
80 |
|
|
/* Obtain the thread safe mutex. */ |
81 |
|
|
tx_mutex_get(&nor_flash -> lx_nor_flash_mutex, TX_WAIT_FOREVER); |
82 |
|
|
#endif |
83 |
|
|
|
84 |
|
|
/* Loop for max number of blocks, while there are obsolete count. */ |
85 |
✓✗ |
30 |
for (i = 0; i < nor_flash -> lx_nor_flash_total_blocks; i++) |
86 |
|
|
{ |
87 |
|
|
|
88 |
|
|
/* Determine if there is any more defragment work. */ |
89 |
✓✓ |
30 |
if (nor_flash -> lx_nor_flash_obsolete_physical_sectors == 0) |
90 |
|
10 |
break; |
91 |
|
|
|
92 |
|
|
/* Call the block reclaim function to defragment. */ |
93 |
|
20 |
_lx_nor_flash_block_reclaim(nor_flash); |
94 |
|
|
} |
95 |
|
|
|
96 |
|
|
#ifdef LX_THREAD_SAFE_ENABLE |
97 |
|
|
|
98 |
|
|
/* Release the thread safe mutex. */ |
99 |
|
|
tx_mutex_put(&nor_flash -> lx_nor_flash_mutex); |
100 |
|
|
#endif |
101 |
|
|
|
102 |
|
|
/* Return successful completion. */ |
103 |
|
10 |
return(LX_SUCCESS); |
104 |
|
|
} |
105 |
|
|
|
106 |
|
|
|