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