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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
2 | * Copyright (C) 2005 Jakub Jermar |
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: |
Line 24... | Line 24... | ||
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 libcsparc64 |
29 | /** @addtogroup libcsparc64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef __LIBC__sparc64__PSTHREAD_H__ |
35 | #ifndef LIBC_sparc64_PSTHREAD_H_ |
36 | #define __LIBC__sparc64__PSTHREAD_H__ |
36 | #define LIBC_sparc64_PSTHREAD_H_ |
37 | 37 | ||
- | 38 | #include <libarch/stack.h> |
|
38 | #include <types.h> |
39 | #include <types.h> |
- | 40 | #include <align.h> |
|
39 | 41 | ||
40 | /* We define our own context_set, because we need to set |
- | |
41 | * the TLS pointer to the tcb+0x7000 |
- | |
42 | * |
- | |
43 | * See tls_set in thread.h |
- | |
44 | */ |
- | |
45 | #define context_set(c, _pc, stack, size, ptls) \ |
42 | #define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE |
46 | (c)->pc = (sysarg_t) (_pc); \ |
- | |
47 | (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ |
- | |
48 | (c)->tls = ((sysarg_t) (ptls)) + 0x7000 + sizeof(tcb_t); |
- | |
49 | 43 | ||
- | 44 | #ifdef context_set |
|
50 | #define SP_DELTA 16 |
45 | #undef context_set |
- | 46 | #endif |
|
51 | 47 | ||
52 | typedef struct { |
48 | #define context_set(c, _pc, stack, size, ptls) \ |
53 | uint64_t sp; |
49 | (c)->pc = ((uintptr_t) _pc) - 8; \ |
- | 50 | (c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \ |
|
- | 51 | (c)->fp = -STACK_BIAS; \ |
|
54 | uint64_t pc; |
52 | (c)->tp = ptls |
55 | 53 | ||
- | 54 | /* |
|
- | 55 | * Only save registers that must be preserved across |
|
- | 56 | * function calls. |
|
- | 57 | */ |
|
- | 58 | typedef struct { |
|
- | 59 | uintptr_t sp; /* %o6 */ |
|
- | 60 | uintptr_t pc; /* %o7 */ |
|
- | 61 | uint64_t i0; |
|
- | 62 | uint64_t i1; |
|
- | 63 | uint64_t i2; |
|
- | 64 | uint64_t i3; |
|
- | 65 | uint64_t i4; |
|
- | 66 | uint64_t i5; |
|
- | 67 | uintptr_t fp; /* %i6 */ |
|
- | 68 | uintptr_t i7; |
|
- | 69 | uint64_t l0; |
|
- | 70 | uint64_t l1; |
|
- | 71 | uint64_t l2; |
|
- | 72 | uint64_t l3; |
|
56 | uint64_t tls; |
73 | uint64_t l4; |
- | 74 | uint64_t l5; |
|
- | 75 | uint64_t l6; |
|
- | 76 | uint64_t l7; |
|
- | 77 | uint64_t tp; /* %g7 */ |
|
57 | } __attribute__ ((packed)) context_t; |
78 | } context_t; |
58 | 79 | ||
59 | #endif |
80 | #endif |
60 | 81 | ||
61 | /** @} |
82 | /** @} |
62 | */ |
83 | */ |