xref: /openbmc/linux/arch/parisc/include/asm/psw.h (revision b3d5f311)
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