blob: edc03bd074bf1c8ebc2385fcac6853e1d890e926 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Copyright (c) 2016, 2018 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef _RTEMS_SCORE_SPARCIMPL_H
#define _RTEMS_SCORE_SPARCIMPL_H
#include <rtems/score/cpu.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct timecounter;
/*
* Provides a mutable alias to _SPARC_Counter for use in
* _SPARC_Counter_initialize(). The _SPARC_Counter and _SPARC_Counter_mutable
* are defined via the SPARC_COUNTER_DEFINITION define.
*/
extern SPARC_Counter _SPARC_Counter_mutable;
void _SPARC_Counter_at_tick_clock( void );
CPU_Counter_ticks _SPARC_Counter_read_default( void );
CPU_Counter_ticks _SPARC_Counter_read_up( void );
CPU_Counter_ticks _SPARC_Counter_read_down( void );
CPU_Counter_ticks _SPARC_Counter_read_clock_isr_disabled( void );
CPU_Counter_ticks _SPARC_Counter_read_clock( void );
CPU_Counter_ticks _SPARC_Counter_read_asr23( void );
uint32_t _SPARC_Get_timecount_up( struct timecounter * );
uint32_t _SPARC_Get_timecount_down( struct timecounter * );
uint32_t _SPARC_Get_timecount_clock( struct timecounter * );
uint32_t _SPARC_Get_timecount_asr23( struct timecounter * );
/*
* Defines the _SPARC_Counter and _SPARC_Counter_mutable global variables.
* Place this define in the global file scope of the CPU counter support file
* of the BSP.
*/
#define SPARC_COUNTER_DEFINITION \
__asm__ ( \
"\t.global\t_SPARC_Counter\n" \
"\t.global\t_SPARC_Counter_mutable\n" \
"\t.section\t.data._SPARC_Counter,\"aw\",@progbits\n" \
"\t.align\t4\n" \
"\t.type\t_SPARC_Counter, #object\n" \
"\t.size\t_SPARC_Counter, 28\n" \
"_SPARC_Counter:\n" \
"_SPARC_Counter_mutable:\n" \
"\t.long\t_SPARC_Counter_read_default\n" \
"\t.long\t_SPARC_Counter_read_default\n" \
"\t.long\t0\n" \
"\t.long\t0\n" \
"\t.long\t0\n" \
"\t.long\t0\n" \
"\t.long\t0\n" \
"\t.previous\n" \
)
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _RTEMS_SCORE_SPARCIMPL_H */
|
