LXR uboot/arch/microblaze/include/asm/asm.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * (C) Copyright 2007 Michal Simek
   4 *
   5 * Michal  SIMEK <monstr@monstr.eu>
   6 */
   7
   8/* FSL macros */
   9#define NGET(val, fslnum) \
  10        __asm__ __volatile__ ("nget %0, rfsl" #fslnum :"=r" (val));
  11
  12#define GET(val, fslnum) \
  13        __asm__ __volatile__ ("get %0, rfsl" #fslnum :"=r" (val));
  14
  15#define NCGET(val, fslnum) \
  16        __asm__ __volatile__ ("ncget %0, rfsl" #fslnum :"=r" (val));
  17
  18#define CGET(val, fslnum) \
  19        __asm__ __volatile__ ("cget %0, rfsl" #fslnum :"=r" (val));
  20
  21#define NPUT(val, fslnum) \
  22        __asm__ __volatile__ ("nput %0, rfsl" #fslnum ::"r" (val));
  23
  24#define PUT(val, fslnum) \
  25        __asm__ __volatile__ ("put %0, rfsl" #fslnum ::"r" (val));
  26
  27#define NCPUT(val, fslnum) \
  28        __asm__ __volatile__ ("ncput %0, rfsl" #fslnum ::"r" (val));
  29
  30#define CPUT(val, fslnum) \
  31        __asm__ __volatile__ ("cput %0, rfsl" #fslnum ::"r" (val));
  32
  33/* CPU dependent */
  34/* machine status register */
  35#define MFS(val, reg) \
  36        __asm__ __volatile__ ("mfs %0," #reg :"=r" (val));
  37
  38#define MTS(val, reg) \
  39        __asm__ __volatile__ ("mts " #reg ", %0"::"r" (val));
  40
  41/* get return address from interrupt */
  42#define R14(val) \
  43        __asm__ __volatile__ ("addi %0, r14, 0":"=r" (val));
  44
  45/* get return address from interrupt */
  46#define R17(val) \
  47        __asm__ __volatile__ ("addi %0, r17, 0" : "=r" (val));
  48
  49#define NOP     __asm__ __volatile__ ("nop");
  50
  51/* use machine status registe USE_MSR_REG */
  52#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR == 1
  53#define MSRSET(val) \
  54        __asm__ __volatile__ ("msrset r0," #val );
  55
  56#define MSRCLR(val) \
  57        __asm__ __volatile__ ("msrclr r0," #val );
  58
  59#else
  60#define MSRSET(val)                                             \
  61{                                                               \
  62        register unsigned tmp;                                  \
  63        __asm__ __volatile__ ("                                 \
  64                        mfs     %0, rmsr;                       \
  65                        ori     %0, %0, "#val";                 \
  66                        mts     rmsr, %0;                       \
  67                        nop;"                                   \
  68                        : "=r" (tmp)                            \
  69                        : "d" (val)                             \
  70                        : "memory");                            \
  71}
  72
  73#define MSRCLR(val)                                             \
  74{                                                               \
  75        register unsigned tmp;                                  \
  76        __asm__ __volatile__ ("                                 \
  77                        mfs     %0, rmsr;                       \
  78                        andi    %0, %0, ~"#val";                \
  79                        mts     rmsr, %0;                       \
  80                        nop;"                                   \
  81                        : "=r" (tmp)                            \
  82                        : "d" (val)                             \
  83                        : "memory");                            \
  84}
  85#endif
  86