xref: /OK3568_Linux_fs/kernel/arch/csky/abiv2/inc/abi/regdef.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #ifndef __ASM_CSKY_REGDEF_H
5*4882a593Smuzhiyun #define __ASM_CSKY_REGDEF_H
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #define syscallid	r7
8*4882a593Smuzhiyun #define regs_syscallid(regs) regs->regs[3]
9*4882a593Smuzhiyun #define regs_fp(regs) regs->regs[4]
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /*
12*4882a593Smuzhiyun  * PSR format:
13*4882a593Smuzhiyun  * | 31 | 30-24 | 23-16 | 15 14 | 13-10 | 9 | 8-0 |
14*4882a593Smuzhiyun  *   S              VEC     TM            MM
15*4882a593Smuzhiyun  *
16*4882a593Smuzhiyun  *   S: Super Mode
17*4882a593Smuzhiyun  * VEC: Exception Number
18*4882a593Smuzhiyun  *  TM: Trace Mode
19*4882a593Smuzhiyun  *  MM: Memory unaligned addr access
20*4882a593Smuzhiyun  */
21*4882a593Smuzhiyun #define DEFAULT_PSR_VALUE	0x80000200
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #define SYSTRACE_SAVENUM	5
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #define TRAP0_SIZE		4
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #endif /* __ASM_CSKY_REGDEF_H */
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