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.  */
  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