Rev 1797 | Rev 2061 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 1797 | Rev 1864 | ||
---|---|---|---|
Line 1... | Line 1... | ||
1 | /* |
1 | /* |
- | 2 | * Copyright (C) 2006 Ondrej Palkovsky |
|
2 | * Copyright (C) 2006 Martin Decky |
3 | * Copyright (C) 2006 Jakub Jermar |
3 | * All rights reserved. |
4 | * All rights reserved. |
4 | * |
5 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * are met: |
Line 24... | Line 25... | ||
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * (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. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | */ |
28 | 29 | ||
29 | /** @addtogroup libcsparc64 |
30 | /** @addtogroup libcsparc64 |
30 | * @{ |
31 | * @{ |
31 | */ |
32 | */ |
- | 33 | /** |
|
32 | /** @file |
34 | * @file |
- | 35 | * @brief sparc64 TLS functions. |
|
- | 36 | * |
|
- | 37 | * The implementation is based on the IA-32 implementation which was also |
|
- | 38 | * designed by Sun and is virtually the same, except the TCB is stored in |
|
- | 39 | * %g7 (of the normal set). |
|
33 | */ |
40 | */ |
34 | 41 | ||
35 | #ifndef __LIBC__sparc64__THREAD_H__ |
42 | #ifndef LIBC_sparc64_THREAD_H_ |
36 | #define __LIBC__sparc64__THREAD_H__ |
43 | #define LIBC_sparc64_THREAD_H_ |
37 | - | ||
38 | #define PPC_TP_OFFSET 0x7000 |
- | |
39 | 44 | ||
40 | typedef struct { |
45 | typedef struct { |
- | 46 | void *self; |
|
41 | void *pst_data; |
47 | void *pst_data; |
42 | } tcb_t; |
48 | } tcb_t; |
43 | 49 | ||
44 | static inline void __tcb_set(tcb_t *tcb) |
50 | static inline void __tcb_set(tcb_t *tcb) |
45 | { |
51 | { |
46 | void *tp = tcb; |
- | |
47 | tp += PPC_TP_OFFSET + sizeof(tcb_t); |
52 | __asm__ volatile ("mov %0, %%g7\n" : : "r" (tcb) : "g7"); |
48 | } |
53 | } |
49 | 54 | ||
50 | static inline tcb_t *__tcb_get(void) |
55 | static inline tcb_t * __tcb_get(void) |
51 | { |
56 | { |
- | 57 | void *retval; |
|
- | 58 | ||
52 | return (tcb_t *)(PPC_TP_OFFSET - sizeof(tcb_t)); |
59 | __asm__ volatile ("mov %%g7, %0\n" : "=r" (retval)); |
- | 60 | ||
- | 61 | return retval; |
|
53 | } |
62 | } |
54 | 63 | ||
55 | #endif |
64 | #endif |
56 | 65 | ||
57 | /** @} |
66 | /** @} |