tcg/sparc/tcg-target.h

   1 /*
   2  * Tiny Code Generator for QEMU
   3  *
   4  * Copyright (c) 2008 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #ifndef TCG_TARGET_SPARC
  25 #define TCG_TARGET_SPARC 1
  26
  27 #if UINTPTR_MAX == UINT32_MAX
  28 # define TCG_TARGET_REG_BITS 32
  29 #elif UINTPTR_MAX == UINT64_MAX
  30 # define TCG_TARGET_REG_BITS 64
  31 #else
  32 # error Unknown pointer size for tcg target
  33 #endif
  34
  35 #define TCG_TARGET_WORDS_BIGENDIAN
  36
  37 #define TCG_TARGET_NB_REGS 32
  38
  39 typedef enum {
  40     TCG_REG_G0 = 0,
  41     TCG_REG_G1,
  42     TCG_REG_G2,
  43     TCG_REG_G3,
  44     TCG_REG_G4,
  45     TCG_REG_G5,
  46     TCG_REG_G6,
  47     TCG_REG_G7,
  48     TCG_REG_O0,
  49     TCG_REG_O1,
  50     TCG_REG_O2,
  51     TCG_REG_O3,
  52     TCG_REG_O4,
  53     TCG_REG_O5,
  54     TCG_REG_O6,
  55     TCG_REG_O7,
  56     TCG_REG_L0,
  57     TCG_REG_L1,
  58     TCG_REG_L2,
  59     TCG_REG_L3,
  60     TCG_REG_L4,
  61     TCG_REG_L5,
  62     TCG_REG_L6,
  63     TCG_REG_L7,
  64     TCG_REG_I0,
  65     TCG_REG_I1,
  66     TCG_REG_I2,
  67     TCG_REG_I3,
  68     TCG_REG_I4,
  69     TCG_REG_I5,
  70     TCG_REG_I6,
  71     TCG_REG_I7,
  72 } TCGReg;
  73
  74 #define TCG_CT_CONST_S11  0x100
  75 #define TCG_CT_CONST_S13  0x200
  76 #define TCG_CT_CONST_ZERO 0x400
  77
  78 /* used for function call generation */
  79 #define TCG_REG_CALL_STACK TCG_REG_O6
  80
  81 #if TCG_TARGET_REG_BITS == 64
  82 #define TCG_TARGET_STACK_BIAS           2047
  83 #define TCG_TARGET_STACK_ALIGN          16
  84 #define TCG_TARGET_CALL_STACK_OFFSET    (128 + 6*8 + TCG_TARGET_STACK_BIAS)
  85 #else
  86 #define TCG_TARGET_STACK_BIAS           0
  87 #define TCG_TARGET_STACK_ALIGN          8
  88 #define TCG_TARGET_CALL_STACK_OFFSET    (64 + 4 + 6*4)
  89 #endif
  90
  91 #if TCG_TARGET_REG_BITS == 64
  92 #define TCG_TARGET_EXTEND_ARGS 1
  93 #endif
  94
  95 /* optional instructions */
  96 #define TCG_TARGET_HAS_div_i32          1
  97 #define TCG_TARGET_HAS_rem_i32          1
  98 #define TCG_TARGET_HAS_rot_i32          0
  99 #define TCG_TARGET_HAS_ext8s_i32        0
 100 #define TCG_TARGET_HAS_ext16s_i32       0
 101 #define TCG_TARGET_HAS_ext8u_i32        0
 102 #define TCG_TARGET_HAS_ext16u_i32       0
 103 #define TCG_TARGET_HAS_bswap16_i32      0
 104 #define TCG_TARGET_HAS_bswap32_i32      0
 105 #define TCG_TARGET_HAS_neg_i32          1
 106 #define TCG_TARGET_HAS_not_i32          1
 107 #define TCG_TARGET_HAS_andc_i32         1
 108 #define TCG_TARGET_HAS_orc_i32          1
 109 #define TCG_TARGET_HAS_eqv_i32          0
 110 #define TCG_TARGET_HAS_nand_i32         0
 111 #define TCG_TARGET_HAS_nor_i32          0
 112 #define TCG_TARGET_HAS_deposit_i32      0
 113 #define TCG_TARGET_HAS_movcond_i32      1
 114 #define TCG_TARGET_HAS_add2_i32         1
 115 #define TCG_TARGET_HAS_sub2_i32         1
 116 #define TCG_TARGET_HAS_mulu2_i32        1
 117 #define TCG_TARGET_HAS_muls2_i32        0
 118 #define TCG_TARGET_HAS_muluh_i32        0
 119 #define TCG_TARGET_HAS_mulsh_i32        0
 120
 121 #if TCG_TARGET_REG_BITS == 64
 122 #define TCG_TARGET_HAS_div_i64          1
 123 #define TCG_TARGET_HAS_rem_i64          1
 124 #define TCG_TARGET_HAS_rot_i64          0
 125 #define TCG_TARGET_HAS_ext8s_i64        0
 126 #define TCG_TARGET_HAS_ext16s_i64       0
 127 #define TCG_TARGET_HAS_ext32s_i64       1
 128 #define TCG_TARGET_HAS_ext8u_i64        0
 129 #define TCG_TARGET_HAS_ext16u_i64       0
 130 #define TCG_TARGET_HAS_ext32u_i64       1
 131 #define TCG_TARGET_HAS_bswap16_i64      0
 132 #define TCG_TARGET_HAS_bswap32_i64      0
 133 #define TCG_TARGET_HAS_bswap64_i64      0
 134 #define TCG_TARGET_HAS_neg_i64          1
 135 #define TCG_TARGET_HAS_not_i64          1
 136 #define TCG_TARGET_HAS_andc_i64         1
 137 #define TCG_TARGET_HAS_orc_i64          1
 138 #define TCG_TARGET_HAS_eqv_i64          0
 139 #define TCG_TARGET_HAS_nand_i64         0
 140 #define TCG_TARGET_HAS_nor_i64          0
 141 #define TCG_TARGET_HAS_deposit_i64      0
 142 #define TCG_TARGET_HAS_movcond_i64      1
 143 #define TCG_TARGET_HAS_add2_i64         0
 144 #define TCG_TARGET_HAS_sub2_i64         0
 145 #define TCG_TARGET_HAS_mulu2_i64        0
 146 #define TCG_TARGET_HAS_muls2_i64        0
 147 #define TCG_TARGET_HAS_muluh_i64        0
 148 #define TCG_TARGET_HAS_mulsh_i64        0
 149 #endif
 150
 151 #define TCG_AREG0 TCG_REG_I0
 152
 153 static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
 154 {
 155     uintptr_t p;
 156     for (p = start & -8; p < (stop + 7) & -8; p += 8) {
 157         __asm__ __volatile__("flush\t%0" : : "r" (p));
 158     }
 159 }
 160
 161 #endif