xref: /OK3568_Linux_fs/kernel/arch/csky/abiv1/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	r1
8*4882a593Smuzhiyun #define regs_syscallid(regs) regs->regs[9]
9*4882a593Smuzhiyun #define regs_fp(regs) regs->regs[2]
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /*
12*4882a593Smuzhiyun  * PSR format:
13*4882a593Smuzhiyun  * | 31 | 30-24 | 23-16 | 15 14 | 13-0 |
14*4882a593Smuzhiyun  *   S     CPID     VEC     TM
15*4882a593Smuzhiyun  *
16*4882a593Smuzhiyun  *    S: Super Mode
17*4882a593Smuzhiyun  * CPID: Coprocessor id, only 15 for MMU
18*4882a593Smuzhiyun  *  VEC: Exception Number
19*4882a593Smuzhiyun  *   TM: Trace Mode
20*4882a593Smuzhiyun  */
21*4882a593Smuzhiyun #define DEFAULT_PSR_VALUE	0x8f000000
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #define SYSTRACE_SAVENUM	2
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #define TRAP0_SIZE		2
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #endif /* __ASM_CSKY_REGDEF_H */
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