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
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <assert.h>
#include <io_storage.h>
#include <platform.h>
#include <platform_def.h>
#include <status.h>
#include <string.h>
#include <tftf_lib.h>
STATUS tftf_nvm_write(UINTN offset, const void *buffer, UINTN size)
{
#if USE_NVM
int ret;
uintptr_t nvm_handle;
size_t length_written;
#endif
if (offset + size > TESTS_NVM_RESULTS_SIZE)
return STATUS_OUT_OF_RESOURCES;
#if USE_NVM
/* Obtain a handle to the NVM by querying the platfom layer */
plat_get_nvm_handle(&nvm_handle);
ret = io_seek(nvm_handle, IO_SEEK_SET,
offset + TESTS_NVM_RESULTS_OFFSET);
if (ret != IO_SUCCESS)
return STATUS_FAIL;
ret = io_write(nvm_handle, (const uintptr_t)buffer, size,
&length_written);
if (ret != IO_SUCCESS)
return STATUS_FAIL;
assert(length_written == size);
#else
memcpy((void *)(DRAM_BASE + TESTS_NVM_RESULTS_OFFSET + offset),
buffer, size);
#endif
return STATUS_SUCCESS;
}
STATUS tftf_nvm_read(UINTN offset, void *buffer, UINTN size)
{
#if USE_NVM
int ret;
uintptr_t nvm_handle;
size_t length_read;
#endif
if (offset + size > TESTS_NVM_RESULTS_SIZE)
return STATUS_OUT_OF_RESOURCES;
#if USE_NVM
/* Obtain a handle to the NVM by querying the platfom layer */
plat_get_nvm_handle(&nvm_handle);
ret = io_seek(nvm_handle, IO_SEEK_SET,
TESTS_NVM_RESULTS_OFFSET + offset);
if (ret != IO_SUCCESS)
return STATUS_FAIL;
ret = io_read(nvm_handle, (uintptr_t)buffer, size, &length_read);
if (ret != IO_SUCCESS)
return STATUS_FAIL;
assert(length_read == size);
#else
memcpy(buffer, (void *)(DRAM_BASE + TESTS_NVM_RESULTS_OFFSET + offset),
size);
#endif
return STATUS_SUCCESS;
}
|