xref: /OK3568_Linux_fs/u-boot/arch/mips/include/asm/isadep.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Various ISA level dependent constants.
3*4882a593Smuzhiyun  * Most of the following constants reflect the different layout
4*4882a593Smuzhiyun  * of Coprocessor 0 registers.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Copyright (c) 1998 Harald Koerfgen
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifndef __ASM_ISADEP_H
12*4882a593Smuzhiyun #define __ASM_ISADEP_H
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
15*4882a593Smuzhiyun /*
16*4882a593Smuzhiyun  * R2000 or R3000
17*4882a593Smuzhiyun  */
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun /*
20*4882a593Smuzhiyun  * kernel or user mode? (CP0_STATUS)
21*4882a593Smuzhiyun  */
22*4882a593Smuzhiyun #define KU_MASK 0x08
23*4882a593Smuzhiyun #define KU_USER 0x08
24*4882a593Smuzhiyun #define KU_KERN 0x00
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #else
27*4882a593Smuzhiyun /*
28*4882a593Smuzhiyun  * kernel or user mode?
29*4882a593Smuzhiyun  */
30*4882a593Smuzhiyun #define KU_MASK 0x18
31*4882a593Smuzhiyun #define KU_USER 0x10
32*4882a593Smuzhiyun #define KU_KERN 0x00
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #endif
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #endif /* __ASM_ISADEP_H */
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