Zephyr API Documentation  3.6.99
A Scalable Open Source RTOS
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sparc.h
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1/*
2 * Copyright (c) 2019-2020 Cobham Gaisler AB
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#ifndef ZEPHYR_INCLUDE_ARCH_SPARC_SPARC_H_
8#define ZEPHYR_INCLUDE_ARCH_SPARC_SPARC_H_
9
10/*
11 * @file
12 * @brief Definitions for the SPARC V8 architecture.
13 */
14
15/* Processor State Register */
16#define PSR_VER_BIT 24
17#define PSR_PIL_BIT 8
18
19#define PSR_VER (0xf << PSR_VER_BIT)
20#define PSR_EF (1 << 12)
21#define PSR_S (1 << 7)
22#define PSR_PS (1 << 6)
23#define PSR_ET (1 << 5)
24#define PSR_PIL (0xf << PSR_PIL_BIT)
25#define PSR_CWP 0x1f
26
27
28/* Trap Base Register */
29#define TBR_TT_BIT 4
30
31#define TBR_TBA 0xfffff000
32#define TBR_TT 0x00000ff0
33
34/* Trap types in TBR.TT */
35#define TT_RESET 0x00
36#define TT_WINDOW_OVERFLOW 0x05
37#define TT_WINDOW_UNDERFLOW 0x06
38#define TT_DATA_ACCESS_EXCEPTION 0x09
39
40#endif /* ZEPHYR_INCLUDE_ARCH_SPARC_SPARC_H_ */