include/asm-mips/asmmacro.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2003 Ralf Baechle
   7  */
   8 #ifndef _ASM_ASMMACRO_H
   9 #define _ASM_ASMMACRO_H
  10
  11 #include <asm/hazards.h>
  12
  13 #ifdef CONFIG_32BIT
  14 #include <asm/asmmacro-32.h>
  15 #endif
  16 #ifdef CONFIG_64BIT
  17 #include <asm/asmmacro-64.h>
  18 #endif
  19 #ifdef CONFIG_MIPS_MT_SMTC
  20 #include <asm/mipsmtregs.h>
  21 #endif
  22
  23 #ifdef CONFIG_MIPS_MT_SMTC
  24         .macro  local_irq_enable reg=t0
  25         mfc0    \reg, CP0_TCSTATUS
  26         ori     \reg, \reg, TCSTATUS_IXMT
  27         xori    \reg, \reg, TCSTATUS_IXMT
  28         mtc0    \reg, CP0_TCSTATUS
  29         _ehb
  30         .endm
  31
  32         .macro  local_irq_disable reg=t0
  33         mfc0    \reg, CP0_TCSTATUS
  34         ori     \reg, \reg, TCSTATUS_IXMT
  35         mtc0    \reg, CP0_TCSTATUS
  36         _ehb
  37         .endm
  38 #else
  39         .macro  local_irq_enable reg=t0
  40         mfc0    \reg, CP0_STATUS
  41         ori     \reg, \reg, 1
  42         mtc0    \reg, CP0_STATUS
  43         irq_enable_hazard
  44         .endm
  45
  46         .macro  local_irq_disable reg=t0
  47         mfc0    \reg, CP0_STATUS
  48         ori     \reg, \reg, 1
  49         xori    \reg, \reg, 1
  50         mtc0    \reg, CP0_STATUS
  51         irq_disable_hazard
  52         .endm
  53 #endif /* CONFIG_MIPS_MT_SMTC */
  54
  55 /*
  56  * Temporary until all gas have MT ASE support
  57  */
  58         .macro  DMT     reg=0
  59         .word   0x41600bc1 | (\reg << 16)
  60         .endm
  61
  62         .macro  EMT     reg=0
  63         .word   0x41600be1 | (\reg << 16)
  64         .endm
  65
  66         .macro  DVPE    reg=0
  67         .word   0x41600001 | (\reg << 16)
  68         .endm
  69
  70         .macro  EVPE    reg=0
  71         .word   0x41600021 | (\reg << 16)
  72         .endm
  73
  74         .macro  MFTR    rt=0, rd=0, u=0, sel=0
  75          .word  0x41000000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
  76         .endm
  77
  78         .macro  MTTR    rt=0, rd=0, u=0, sel=0
  79          .word  0x41800000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
  80         .endm
  81
  82 #endif /* _ASM_ASMMACRO_H */