include/asm-cris/arch-v32/hwregs/supp_reg.h

   1 #ifndef __SUPP_REG_H__
   2 #define __SUPP_REG_H__
   3
   4 /* Macros for reading and writing support/special registers. */
   5
   6 #ifndef STRINGIFYFY
   7 #define STRINGIFYFY(i) #i
   8 #endif
   9
  10 #ifndef STRINGIFY
  11 #define STRINGIFY(i) STRINGIFYFY(i)
  12 #endif
  13
  14 #define SPEC_REG_BZ     "BZ"
  15 #define SPEC_REG_VR     "VR"
  16 #define SPEC_REG_PID    "PID"
  17 #define SPEC_REG_SRS    "SRS"
  18 #define SPEC_REG_WZ     "WZ"
  19 #define SPEC_REG_EXS    "EXS"
  20 #define SPEC_REG_EDA    "EDA"
  21 #define SPEC_REG_MOF    "MOF"
  22 #define SPEC_REG_DZ     "DZ"
  23 #define SPEC_REG_EBP    "EBP"
  24 #define SPEC_REG_ERP    "ERP"
  25 #define SPEC_REG_SRP    "SRP"
  26 #define SPEC_REG_NRP    "NRP"
  27 #define SPEC_REG_CCS    "CCS"
  28 #define SPEC_REG_USP    "USP"
  29 #define SPEC_REG_SPC    "SPC"
  30
  31 #define RW_MM_CFG       0
  32 #define RW_MM_KBASE_LO  1
  33 #define RW_MM_KBASE_HI  2
  34 #define RW_MM_CAUSE     3
  35 #define RW_MM_TLB_SEL   4
  36 #define RW_MM_TLB_LO    5
  37 #define RW_MM_TLB_HI    6
  38 #define RW_MM_TLB_PGD   7
  39
  40 #define BANK_GC         0
  41 #define BANK_IM         1
  42 #define BANK_DM         2
  43 #define BANK_BP         3
  44
  45 #define RW_GC_CFG       0
  46 #define RW_GC_CCS       1
  47 #define RW_GC_SRS       2
  48 #define RW_GC_NRP       3
  49 #define RW_GC_EXS       4
  50 #define RW_GC_R0        8
  51 #define RW_GC_R1        9
  52
  53 #define SPEC_REG_WR(r,v) \
  54 __asm__ __volatile__ ("move %0, $" r : : "r" (v));
  55
  56 #define SPEC_REG_RD(r,v) \
  57 __asm__ __volatile__ ("move $" r ",%0" : "=r" (v));
  58
  59 #define NOP() \
  60         __asm__ __volatile__ ("nop");
  61
  62 #define SUPP_BANK_SEL(b)                \
  63         SPEC_REG_WR(SPEC_REG_SRS,b);    \
  64         NOP();                          \
  65         NOP();                          \
  66         NOP();
  67
  68 #define SUPP_REG_WR(r,v) \
  69 __asm__ __volatile__ ("move %0, $S" STRINGIFYFY(r) "\n\t"       \
  70                       "nop\n\t"                                 \
  71                       "nop\n\t"                                 \
  72                       "nop\n\t"                                 \
  73                       : : "r" (v));
  74
  75 #define SUPP_REG_RD(r,v) \
  76 __asm__ __volatile__ ("move $S" STRINGIFYFY(r) ",%0" : "=r" (v));
  77
  78 #endif /* __SUPP_REG_H__ */