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| 2128 | jermar | 1 | /* |
| 2 | * Copyright (c) 2006 Ondrej Palkovsky |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup libcarm32 |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | /** @file |
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| 33 | * @ingroup libcarm32 |
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| 34 | */ |
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| 35 | |||
| 36 | #ifndef LIBC_arm32_PSTHREAD_H_ |
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| 37 | #define LIBC_arm32_PSTHREAD_H_ |
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| 38 | |||
| 39 | #include <types.h> |
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| 2288 | stepan | 40 | #include <align.h> |
| 2287 | jancik | 41 | #define STACK_ITEM_SIZE 4 |
| 2128 | jermar | 42 | |
| 2287 | jancik | 43 | /** see <a href="http://www.arm.com/support/faqdev/14269.html">ABI</a> for details */ |
| 44 | #define STACK_ALIGNMENT 8 |
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| 2128 | jermar | 45 | |
| 2287 | jancik | 46 | #define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) |
| 47 | |||
| 2334 | kebrt | 48 | #define context_set(c, _pc, stack, size, ptls) \ |
| 49 | (c)->pc = (sysarg_t) (_pc); \ |
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| 50 | (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ |
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| 51 | (c)->tls = ((sysarg_t)(ptls)) + sizeof(tcb_t); |
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| 52 | |||
| 53 | |||
| 2128 | jermar | 54 | typedef struct { |
| 55 | uint32_t sp; |
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| 56 | uint32_t pc; |
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| 2287 | jancik | 57 | uint32_t r4; |
| 58 | uint32_t r5; |
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| 59 | uint32_t r6; |
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| 60 | uint32_t r7; |
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| 61 | uint32_t r8; |
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| 2332 | kebrt | 62 | uint32_t tls; |
| 2287 | jancik | 63 | uint32_t r10; |
| 64 | uint32_t r11; |
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| 2128 | jermar | 65 | } context_t; |
| 66 | |||
| 2334 | kebrt | 67 | |
| 2128 | jermar | 68 | #endif |
| 69 | |||
| 70 | /** @} |
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| 71 | */ |