LXR qemu/tcg/arm/tcg-target.h

   1/*
   2 * Tiny Code Generator for QEMU
   3 *
   4 * Copyright (c) 2008 Fabrice Bellard
   5 * Copyright (c) 2008 Andrzej Zaborowski
   6 *
   7 * Permission is hereby granted, free of charge, to any person obtaining a copy
   8 * of this software and associated documentation files (the "Software"), to deal
   9 * in the Software without restriction, including without limitation the rights
  10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 * copies of the Software, and to permit persons to whom the Software is
  12 * furnished to do so, subject to the following conditions:
  13 *
  14 * The above copyright notice and this permission notice shall be included in
  15 * all copies or substantial portions of the Software.
  16 *
  17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23 * THE SOFTWARE.
  24 */
  25
  26#ifndef ARM_TCG_TARGET_H
  27#define ARM_TCG_TARGET_H
  28
  29extern int arm_arch;
  30
  31#define use_armv5t_instructions (__ARM_ARCH >= 5 || arm_arch >= 5)
  32#define use_armv6_instructions  (__ARM_ARCH >= 6 || arm_arch >= 6)
  33#define use_armv7_instructions  (__ARM_ARCH >= 7 || arm_arch >= 7)
  34
  35#undef TCG_TARGET_STACK_GROWSUP
  36#define TCG_TARGET_INSN_UNIT_SIZE 4
  37#define TCG_TARGET_TLB_DISPLACEMENT_BITS 16
  38#define MAX_CODE_GEN_BUFFER_SIZE  UINT32_MAX
  39
  40typedef enum {
  41    TCG_REG_R0 = 0,
  42    TCG_REG_R1,
  43    TCG_REG_R2,
  44    TCG_REG_R3,
  45    TCG_REG_R4,
  46    TCG_REG_R5,
  47    TCG_REG_R6,
  48    TCG_REG_R7,
  49    TCG_REG_R8,
  50    TCG_REG_R9,
  51    TCG_REG_R10,
  52    TCG_REG_R11,
  53    TCG_REG_R12,
  54    TCG_REG_R13,
  55    TCG_REG_R14,
  56    TCG_REG_PC,
  57
  58    TCG_REG_Q0,
  59    TCG_REG_Q1,
  60    TCG_REG_Q2,
  61    TCG_REG_Q3,
  62    TCG_REG_Q4,
  63    TCG_REG_Q5,
  64    TCG_REG_Q6,
  65    TCG_REG_Q7,
  66    TCG_REG_Q8,
  67    TCG_REG_Q9,
  68    TCG_REG_Q10,
  69    TCG_REG_Q11,
  70    TCG_REG_Q12,
  71    TCG_REG_Q13,
  72    TCG_REG_Q14,
  73    TCG_REG_Q15,
  74
  75    TCG_AREG0 = TCG_REG_R6,
  76    TCG_REG_CALL_STACK = TCG_REG_R13,
  77} TCGReg;
  78
  79#define TCG_TARGET_NB_REGS 32
  80
  81#ifdef __ARM_ARCH_EXT_IDIV__
  82#define use_idiv_instructions  1
  83#else
  84extern bool use_idiv_instructions;
  85#endif
  86#ifdef __ARM_NEON__
  87#define use_neon_instructions  1
  88#else
  89extern bool use_neon_instructions;
  90#endif
  91
  92/* used for function call generation */
  93#define TCG_TARGET_STACK_ALIGN          8
  94#define TCG_TARGET_CALL_ALIGN_ARGS      1
  95#define TCG_TARGET_CALL_STACK_OFFSET    0
  96
  97/* optional instructions */
  98#define TCG_TARGET_HAS_ext8s_i32        1
  99#define TCG_TARGET_HAS_ext16s_i32       1
 100#define TCG_TARGET_HAS_ext8u_i32        0 /* and r0, r1, #0xff */
 101#define TCG_TARGET_HAS_ext16u_i32       1
 102#define TCG_TARGET_HAS_bswap16_i32      1
 103#define TCG_TARGET_HAS_bswap32_i32      1
 104#define TCG_TARGET_HAS_not_i32          1
 105#define TCG_TARGET_HAS_neg_i32          1
 106#define TCG_TARGET_HAS_rot_i32          1
 107#define TCG_TARGET_HAS_andc_i32         1
 108#define TCG_TARGET_HAS_orc_i32          0
 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_clz_i32          use_armv5t_instructions
 113#define TCG_TARGET_HAS_ctz_i32          use_armv7_instructions
 114#define TCG_TARGET_HAS_ctpop_i32        0
 115#define TCG_TARGET_HAS_deposit_i32      use_armv7_instructions
 116#define TCG_TARGET_HAS_extract_i32      use_armv7_instructions
 117#define TCG_TARGET_HAS_sextract_i32     use_armv7_instructions
 118#define TCG_TARGET_HAS_extract2_i32     1
 119#define TCG_TARGET_HAS_movcond_i32      1
 120#define TCG_TARGET_HAS_mulu2_i32        1
 121#define TCG_TARGET_HAS_muls2_i32        1
 122#define TCG_TARGET_HAS_muluh_i32        0
 123#define TCG_TARGET_HAS_mulsh_i32        0
 124#define TCG_TARGET_HAS_div_i32          use_idiv_instructions
 125#define TCG_TARGET_HAS_rem_i32          0
 126#define TCG_TARGET_HAS_direct_jump      0
 127#define TCG_TARGET_HAS_qemu_st8_i32     0
 128
 129#define TCG_TARGET_HAS_v64              use_neon_instructions
 130#define TCG_TARGET_HAS_v128             use_neon_instructions
 131#define TCG_TARGET_HAS_v256             0
 132
 133#define TCG_TARGET_HAS_andc_vec         1
 134#define TCG_TARGET_HAS_orc_vec          1
 135#define TCG_TARGET_HAS_not_vec          1
 136#define TCG_TARGET_HAS_neg_vec          1
 137#define TCG_TARGET_HAS_abs_vec          1
 138#define TCG_TARGET_HAS_roti_vec         0
 139#define TCG_TARGET_HAS_rots_vec         0
 140#define TCG_TARGET_HAS_rotv_vec         0
 141#define TCG_TARGET_HAS_shi_vec          1
 142#define TCG_TARGET_HAS_shs_vec          0
 143#define TCG_TARGET_HAS_shv_vec          0
 144#define TCG_TARGET_HAS_mul_vec          1
 145#define TCG_TARGET_HAS_sat_vec          1
 146#define TCG_TARGET_HAS_minmax_vec       1
 147#define TCG_TARGET_HAS_bitsel_vec       1
 148#define TCG_TARGET_HAS_cmpsel_vec       0
 149
 150#define TCG_TARGET_DEFAULT_MO (0)
 151#define TCG_TARGET_HAS_MEMORY_BSWAP     0
 152
 153/* not defined -- call should be eliminated at compile time */
 154void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 155
 156#ifdef CONFIG_SOFTMMU
 157#define TCG_TARGET_NEED_LDST_LABELS
 158#endif
 159#define TCG_TARGET_NEED_POOL_LABELS
 160
 161#endif
 162