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1 | /* |
1 | /* |
2 | * Copyright (c) 2007 Michal Kebrt |
2 | * Copyright (c) 2007 Michal Kebrt |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | 29 | ||
30 | /** @addtogroup arm32boot |
30 | /** @addtogroup arm32boot |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** @file |
33 | /** @file |
34 | * @brief Functions implemented in assembly. |
34 | * @brief Functions implemented in assembly. |
35 | */ |
35 | */ |
36 | 36 | ||
37 | 37 | ||
38 | #ifndef BOOT_arm32_ASM_H |
38 | #ifndef BOOT_arm32_ASM_H |
39 | #define BOOT_arm32_ASM_H |
39 | #define BOOT_arm32_ASM_H |
40 | 40 | ||
41 | 41 | ||
42 | /** Copies cnt bytes from dst to src. |
42 | /** Copies cnt bytes from dst to src. |
43 | * |
43 | * |
44 | * @param dst Destination address. |
44 | * @param dst Destination address. |
45 | * @param src Source address. |
45 | * @param src Source address. |
46 | * @param cnt Count of bytes to be copied. |
46 | * @param cnt Count of bytes to be copied. |
47 | */ |
47 | */ |
48 | #define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
48 | #define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
49 | 49 | ||
50 | 50 | ||
51 | /** Called when the CPU is switched on. |
51 | /** Called when the CPU is switched on. |
52 | * |
52 | * |
53 | * This function is placed to the 0x0 address where ARM CPU starts execution. |
53 | * This function is placed to the 0x0 address where ARM CPU starts execution. |
54 | * Jumps to the #bootstrap only. |
54 | * Jumps to the #bootstrap only. |
55 | */ |
55 | */ |
56 | extern void start(void); |
56 | extern void start(void); |
57 | 57 | ||
58 | 58 | ||
59 | /** Jumps to the kernel entry point. |
59 | /** Jumps to the kernel entry point. |
60 | * |
60 | * |
61 | * @param entry Kernel entry point address. |
61 | * @param entry Kernel entry point address. |
62 | * @param bootinfo Structure holding information about loaded tasks. |
62 | * @param bootinfo Structure holding information about loaded tasks. |
63 | * @param bootinfo_size Size of the bootinfo structure. |
- | |
- | 63 | * |
|
64 | */ |
64 | */ |
65 | extern void jump_to_kernel(void *entry, void *bootinfo, |
65 | extern void jump_to_kernel(void *entry, void *bootinfo) __attribute__((noreturn)); |
66 | unsigned int bootinfo_size) __attribute__((noreturn)); |
- | |
67 | 66 | ||
68 | 67 | ||
69 | #endif |
68 | #endif |
70 | 69 | ||
71 | /** @} |
70 | /** @} |
72 | */ |
71 | */ |
73 | 72 |