LXR linux/arch/parisc/include/asm/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 __ASSEMBLY__
  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 /* !__ASSEMBLY__ */
 103
 104#endif
 105