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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
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 libcmips32 |
29 | /** @addtogroup libcmips32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | * @ingroup libcmips32eb |
33 | * @ingroup libcmips32eb |
34 | */ |
34 | */ |
35 | 35 | ||
36 | #ifndef LIBC_mips32_PSTHREAD_H_ |
36 | #ifndef LIBC_mips32_PSTHREAD_H_ |
37 | #define LIBC_mips32_PSTHREAD_H_ |
37 | #define LIBC_mips32_PSTHREAD_H_ |
38 | 38 | ||
39 | #include <types.h> |
39 | #include <types.h> |
40 | 40 | ||
41 | /* We define our own context_set, because we need to set |
41 | /* We define our own context_set, because we need to set |
42 | * the TLS pointer to the tcb+0x7000 |
42 | * the TLS pointer to the tcb+0x7000 |
43 | * |
43 | * |
44 | * See tls_set in thread.h |
44 | * See tls_set in thread.h |
45 | */ |
45 | */ |
46 | #define context_set(c, _pc, stack, size, ptls) \ |
46 | #define context_set(c, _pc, stack, size, ptls) \ |
47 | (c)->pc = (sysarg_t) (_pc); \ |
47 | (c)->pc = (sysarg_t) (_pc); \ |
48 | (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ |
48 | (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ |
49 | (c)->tls = ((sysarg_t)(ptls)) + 0x7000 + sizeof(tcb_t); |
49 | (c)->tls = ((sysarg_t)(ptls)) + 0x7000 + sizeof(tcb_t); |
50 | 50 | ||
51 | 51 | ||
52 | /* +16 is just for sure that the called function |
52 | /* +16 is just for sure that the called function |
53 | * have space to store it's arguments |
53 | * have space to store it's arguments |
54 | */ |
54 | */ |
55 | #define SP_DELTA (8+16) |
55 | #define SP_DELTA (8+16) |
56 | 56 | ||
57 | typedef struct { |
57 | typedef struct { |
58 | uint32_t sp; |
58 | uint32_t sp; |
59 | uint32_t pc; |
59 | uint32_t pc; |
60 | 60 | ||
61 | uint32_t s0; |
61 | uint32_t s0; |
62 | uint32_t s1; |
62 | uint32_t s1; |
63 | uint32_t s2; |
63 | uint32_t s2; |
64 | uint32_t s3; |
64 | uint32_t s3; |
65 | uint32_t s4; |
65 | uint32_t s4; |
66 | uint32_t s5; |
66 | uint32_t s5; |
67 | uint32_t s6; |
67 | uint32_t s6; |
68 | uint32_t s7; |
68 | uint32_t s7; |
69 | uint32_t s8; |
69 | uint32_t s8; |
70 | uint32_t gp; |
70 | uint32_t gp; |
71 | uint32_t tls; /* Thread local storage(=k1) */ |
71 | uint32_t tls; /* Thread local storage(=k1) */ |
72 | 72 | ||
73 | uint32_t f20; |
73 | uint32_t f20; |
74 | uint32_t f21; |
74 | uint32_t f21; |
75 | uint32_t f22; |
75 | uint32_t f22; |
76 | uint32_t f23; |
76 | uint32_t f23; |
77 | uint32_t f24; |
77 | uint32_t f24; |
78 | uint32_t f25; |
78 | uint32_t f25; |
79 | uint32_t f26; |
79 | uint32_t f26; |
80 | uint32_t f27; |
80 | uint32_t f27; |
81 | uint32_t f28; |
81 | uint32_t f28; |
82 | uint32_t f29; |
82 | uint32_t f29; |
83 | uint32_t f30; |
83 | uint32_t f30; |
84 | 84 | ||
85 | } context_t; |
85 | } context_t; |
86 | 86 | ||
87 | #endif |
87 | #endif |
88 | 88 | ||
89 | /** @} |
89 | /** @} |
90 | */ |
90 | */ |
91 | 91 |