1 /******************************************************************************
2 * *
3 * License Agreement *
4 * *
5 * Copyright (c) 2005 Altera Corporation, San Jose, California, USA. *
6 * All rights reserved. *
7 * *
8 * Permission is hereby granted, free of charge, to any person obtaining a *
9 * copy of this software and associated documentation files (the "Software"), *
10 * to deal in the Software without restriction, including without limitation *
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, *
12 * and/or sell copies of the Software, and to permit persons to whom the *
13 * Software is furnished to do so, subject to the following conditions: *
14 * *
15 * The above copyright notice and this permission notice shall be included in *
16 * all copies or substantial portions of the Software. *
17 * *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
24 * DEALINGS IN THE SOFTWARE. *
25 * *
26 * *
27 * Altera does not recommend, suggest or require that this reference design *
28 * file be used in conjunction or combination with any other product. *
29 ******************************************************************************/
30
31 #include "alt_types.h"
32
33 /*
34 * This macro is used to load code/data from its load address to its
35 * execution address for a given section. The section name is the input
36 * argument. Note that a leading '.' is assumed in the name. For example
37 * to load the section .onchip_ram, use:
38 *
39 * ALT_LOAD_SECTION_BY_NAME(onchip_ram);
40 *
41 * This requires that the apropriate linker symbols have been generated
42 * for the section in question. This will be the case if you are using the
43 * default linker script.
44 */
45
46 #define ALT_LOAD_SECTION_BY_NAME(name) \
47 { \
48 extern void _alt_partition_##name##_start; \
49 extern void _alt_partition_##name##_end; \
50 extern void _alt_partition_##name##_load_addr; \
51 \
52 alt_load_section(&_alt_partition_##name##_load_addr, \
53 &_alt_partition_##name##_start, \
54 &_alt_partition_##name##_end); \
55 }
56
57 /*
58 * Function used to load an individual section from flash to RAM.
59 *
60 * There is an implicit assumption here that the linker script will ensure
61 * that all sections are word aligned.
62 *
63 */
64
alt_load_section(alt_u32 * from,alt_u32 * to,alt_u32 * end)65 static void ALT_INLINE alt_load_section (alt_u32* from,
66 alt_u32* to,
67 alt_u32* end)
68 {
69 if (to != from)
70 {
71 while( to != end )
72 {
73 *to++ = *from++;
74 }
75 }
76 }
77
