1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PARISC_PSW_H
3 #define _PARISC_PSW_H
4
5 #define PSW_I 0x00000001
6 #define PSW_D 0x00000002
7 #define PSW_P 0x00000004
8 #define PSW_Q 0x00000008
9
10 #define PSW_R 0x00000010
11 #define PSW_F 0x00000020
12 #define PSW_G 0x00000040 /* PA1.x only */
13 #define PSW_O 0x00000080 /* PA2.0 only */
14
15 /* ssm/rsm instructions number PSW_W and PSW_E differently */
16 #define PSW_SM_I PSW_I /* Enable External Interrupts */
17 #define PSW_SM_D PSW_D
18 #define PSW_SM_P PSW_P
19 #define PSW_SM_Q PSW_Q /* Enable Interrupt State Collection */
20 #define PSW_SM_R PSW_R /* Enable Recover Counter Trap */
21 #define PSW_SM_W 0x200 /* PA2.0 only : Enable Wide Mode */
22
23 #define PSW_SM_QUIET PSW_SM_R+PSW_SM_Q+PSW_SM_P+PSW_SM_D+PSW_SM_I
24
25 #define PSW_CB 0x0000ff00
26
27 #define PSW_M 0x00010000
28 #define PSW_V 0x00020000
29 #define PSW_C 0x00040000
30 #define PSW_B 0x00080000
31
32 #define PSW_X 0x00100000
33 #define PSW_N 0x00200000
34 #define PSW_L 0x00400000
35 #define PSW_H 0x00800000
36
37 #define PSW_T 0x01000000
38 #define PSW_S 0x02000000
39 #define PSW_E 0x04000000
40 #define PSW_W 0x08000000 /* PA2.0 only */
41 #define PSW_W_BIT 36 /* PA2.0 only */
42
43 #define PSW_Z 0x40000000 /* PA1.x only */
44 #define PSW_Y 0x80000000 /* PA1.x only */
45
46 #ifdef CONFIG_64BIT
47 # define PSW_HI_CB 0x000000ff /* PA2.0 only */
48 #endif
49
50 #ifdef CONFIG_64BIT
51 # define USER_PSW_HI_MASK PSW_HI_CB
52 # define WIDE_PSW PSW_W
53 #else
54 # define WIDE_PSW 0
55 #endif
56
57 /* Used when setting up for rfi */
58 #define KERNEL_PSW (WIDE_PSW | PSW_C | PSW_Q | PSW_P | PSW_D)
59 #define REAL_MODE_PSW (WIDE_PSW | PSW_Q)
60 #define USER_PSW_MASK (WIDE_PSW | PSW_T | PSW_N | PSW_X | PSW_B | PSW_V | PSW_CB)
61 #define USER_PSW (PSW_C | PSW_Q | PSW_P | PSW_D | PSW_I)
62
63 #ifndef __ASSEMBLY__
64
65 /* The program status word as bitfields. */
66 struct pa_psw {
67 unsigned int y:1;
68 unsigned int z:1;
69 unsigned int rv:2;
70 unsigned int w:1;
71 unsigned int e:1;
72 unsigned int s:1;
73 unsigned int t:1;
74
75 unsigned int h:1;
76 unsigned int l:1;
77 unsigned int n:1;
78 unsigned int x:1;
79 unsigned int b:1;
80 unsigned int c:1;
81 unsigned int v:1;
82 unsigned int m:1;
83
84 unsigned int cb:8;
85
86 unsigned int o:1;
87 unsigned int g:1;
88 unsigned int f:1;
89 unsigned int r:1;
90 unsigned int q:1;
91 unsigned int p:1;
92 unsigned int d:1;
93 unsigned int i:1;
94 };
95
96 #ifdef CONFIG_64BIT
97 #define pa_psw(task) ((struct pa_psw *) ((char *) (task) + TASK_PT_PSW + 4))
98 #else
99 #define pa_psw(task) ((struct pa_psw *) ((char *) (task) + TASK_PT_PSW))
100 #endif
101
102 #endif /* !__ASSEMBLY__ */
103
104 #endif
105
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