xref: /linux/arch/csky/abiv1/inc/abi/regdef.h (revision d19e470b6605c900db21fc7b34c66b6891a79983)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
3 
4 #ifndef __ASM_CSKY_REGDEF_H
5 #define __ASM_CSKY_REGDEF_H
6 
7 #define syscallid	r1
8 #define regs_syscallid(regs) regs->regs[9]
9 #define regs_fp(regs) regs->regs[2]
10 
11 /*
12  * PSR format:
13  * | 31 | 30-24 | 23-16 | 15 14 | 13-0 |
14  *   S     CPID     VEC     TM
15  *
16  *    S: Super Mode
17  * CPID: Coprocessor id, only 15 for MMU
18  *  VEC: Exception Number
19  *   TM: Trace Mode
20  */
21 #define DEFAULT_PSR_VALUE	0x8f000000
22 
23 #define SYSTRACE_SAVENUM	2
24 
25 #define TRAP0_SIZE		2
26 
27 #endif /* __ASM_CSKY_REGDEF_H */
28