psw.h

  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 __ASSEMBLER__
 64
 65/* The program status word as bitfields.  */
 66struct 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 /* !__ASSEMBLER__ */
103
104#endif