tcg-target.h (5249B)
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