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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Martin Decky |
2 | * Copyright (c) 2006 Martin Decky |
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 | /** @addtogroup libcppc32 |
29 | /** @addtogroup libcppc32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef LIBC_ppc32_FIBRIL_H_ |
35 | #ifndef LIBC_ppc32_FIBRIL_H_ |
36 | #define LIBC_ppc32_FIBRIL_H_ |
36 | #define LIBC_ppc32_FIBRIL_H_ |
37 | 37 | ||
38 | #include <types.h> |
38 | #include <sys/types.h> |
39 | 39 | ||
40 | /* We define our own context_set, because we need to set |
40 | /* We define our own context_set, because we need to set |
41 | * the TLS pointer to the tcb+0x7000 |
41 | * the TLS pointer to the tcb+0x7000 |
42 | * |
42 | * |
43 | * See tls_set in thread.h |
43 | * See tls_set in thread.h |
44 | */ |
44 | */ |
45 | #define context_set(c, _pc, stack, size, ptls) \ |
45 | #define context_set(c, _pc, stack, size, ptls) \ |
46 | (c)->pc = (sysarg_t) (_pc); \ |
46 | (c)->pc = (sysarg_t) (_pc); \ |
47 | (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ |
47 | (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ |
48 | (c)->tls = ((sysarg_t) (ptls)) + 0x7000 + sizeof(tcb_t); |
48 | (c)->tls = ((sysarg_t) (ptls)) + 0x7000 + sizeof(tcb_t); |
49 | 49 | ||
50 | #define SP_DELTA 16 |
50 | #define SP_DELTA 16 |
51 | 51 | ||
52 | typedef struct { |
52 | typedef struct { |
53 | uint32_t sp; |
53 | uint32_t sp; |
54 | uint32_t pc; |
54 | uint32_t pc; |
55 | 55 | ||
56 | uint32_t tls; |
56 | uint32_t tls; |
57 | uint32_t r13; |
57 | uint32_t r13; |
58 | uint32_t r14; |
58 | uint32_t r14; |
59 | uint32_t r15; |
59 | uint32_t r15; |
60 | uint32_t r16; |
60 | uint32_t r16; |
61 | uint32_t r17; |
61 | uint32_t r17; |
62 | uint32_t r18; |
62 | uint32_t r18; |
63 | uint32_t r19; |
63 | uint32_t r19; |
64 | uint32_t r20; |
64 | uint32_t r20; |
65 | uint32_t r21; |
65 | uint32_t r21; |
66 | uint32_t r22; |
66 | uint32_t r22; |
67 | uint32_t r23; |
67 | uint32_t r23; |
68 | uint32_t r24; |
68 | uint32_t r24; |
69 | uint32_t r25; |
69 | uint32_t r25; |
70 | uint32_t r26; |
70 | uint32_t r26; |
71 | uint32_t r27; |
71 | uint32_t r27; |
72 | uint32_t r28; |
72 | uint32_t r28; |
73 | uint32_t r29; |
73 | uint32_t r29; |
74 | uint32_t r30; |
74 | uint32_t r30; |
75 | uint32_t r31; |
75 | uint32_t r31; |
76 | 76 | ||
77 | uint32_t cr; |
77 | uint32_t cr; |
78 | } __attribute__ ((packed)) context_t; |
78 | } __attribute__ ((packed)) context_t; |
79 | 79 | ||
80 | #endif |
80 | #endif |
81 | 81 | ||
82 | /** @} |
82 | /** @} |
83 | */ |
83 | */ |
84 | 84 |