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 <linux/config.h>
  12 #include <asm/hazards.h>
  13
  14 #ifdef CONFIG_MIPS32
  15 #include <asm/asmmacro-32.h>
  16 #endif
  17 #ifdef CONFIG_MIPS64
  18 #include <asm/asmmacro-64.h>
  19 #endif
  20
  21         .macro  local_irq_enable reg=t0
  22         mfc0    \reg, CP0_STATUS
  23         ori     \reg, \reg, 1
  24         mtc0    \reg, CP0_STATUS
  25         irq_enable_hazard
  26         .endm
  27
  28         .macro  local_irq_disable reg=t0
  29         mfc0    \reg, CP0_STATUS
  30         ori     \reg, \reg, 1
  31         xori    \reg, \reg, 1
  32         mtc0    \reg, CP0_STATUS
  33         irq_disable_hazard
  34         .endm
  35
  36 #ifdef CONFIG_CPU_SB1
  37         .macro  fpu_enable_hazard
  38         .set    push
  39         .set    noreorder
  40         .set    mips2
  41         SSNOP
  42         bnezl   $0, .+4
  43          SSNOP
  44         .set    pop
  45         .endm
  46 #else
  47         .macro  fpu_enable_hazard
  48         .endm
  49 #endif
  50
  51 #endif /* _ASM_ASMMACRO_H */