/* * Tiny Code Generator for QEMU * * Copyright (c) 2008-2009 Arnaud Patard * Copyright (c) 2009 Aurelien Jarno * Based on i386/tcg-target.c - Copyright (c) 2008 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef MIPS_TCG_TARGET_H #define MIPS_TCG_TARGET_H #if _MIPS_SIM == _ABIO32 # define TCG_TARGET_REG_BITS 32 #elif _MIPS_SIM == _ABIN32 || _MIPS_SIM == _ABI64 # define TCG_TARGET_REG_BITS 64 #else # error "Unknown ABI" #endif #define TCG_TARGET_INSN_UNIT_SIZE 4 #define TCG_TARGET_TLB_DISPLACEMENT_BITS 16 #define TCG_TARGET_NB_REGS 32 #define MAX_CODE_GEN_BUFFER_SIZE ((size_t)-1) typedef enum { TCG_REG_ZERO = 0, TCG_REG_AT, TCG_REG_V0, TCG_REG_V1, TCG_REG_A0, TCG_REG_A1, TCG_REG_A2, TCG_REG_A3, TCG_REG_T0, TCG_REG_T1, TCG_REG_T2, TCG_REG_T3, TCG_REG_T4, TCG_REG_T5, TCG_REG_T6, TCG_REG_T7, TCG_REG_S0, TCG_REG_S1, TCG_REG_S2, TCG_REG_S3, TCG_REG_S4, TCG_REG_S5, TCG_REG_S6, TCG_REG_S7, TCG_REG_T8, TCG_REG_T9, TCG_REG_K0, TCG_REG_K1, TCG_REG_GP, TCG_REG_SP, TCG_REG_S8, TCG_REG_RA, TCG_REG_CALL_STACK = TCG_REG_SP, TCG_AREG0 = TCG_REG_S0, } TCGReg; /* used for function call generation */ #define TCG_TARGET_STACK_ALIGN 16 #if _MIPS_SIM == _ABIO32 # define TCG_TARGET_CALL_STACK_OFFSET 16 # define TCG_TARGET_CALL_ARG_I64 TCG_CALL_ARG_EVEN #else # define TCG_TARGET_CALL_STACK_OFFSET 0 # define TCG_TARGET_CALL_ARG_I64 TCG_CALL_ARG_NORMAL #endif #define TCG_TARGET_CALL_ARG_I32 TCG_CALL_ARG_NORMAL /* MOVN/MOVZ instructions detection */ #if (defined(__mips_isa_rev) && (__mips_isa_rev >= 1)) || \ defined(_MIPS_ARCH_LOONGSON2E) || defined(_MIPS_ARCH_LOONGSON2F) || \ defined(_MIPS_ARCH_MIPS4) #define use_movnz_instructions 1 #else extern bool use_movnz_instructions; #endif /* MIPS32 instruction set detection */ #if defined(__mips_isa_rev) && (__mips_isa_rev >= 1) #define use_mips32_instructions 1 #else extern bool use_mips32_instructions; #endif /* MIPS32R2 instruction set detection */ #if defined(__mips_isa_rev) && (__mips_isa_rev >= 2) #define use_mips32r2_instructions 1 #else extern bool use_mips32r2_instructions; #endif /* MIPS32R6 instruction set detection */ #if defined(__mips_isa_rev) && (__mips_isa_rev >= 6) #define use_mips32r6_instructions 1 #else #define use_mips32r6_instructions 0 #endif /* optional instructions */ #define TCG_TARGET_HAS_div_i32 1 #define TCG_TARGET_HAS_rem_i32 1 #define TCG_TARGET_HAS_not_i32 1 #define TCG_TARGET_HAS_nor_i32 1 #define TCG_TARGET_HAS_andc_i32 0 #define TCG_TARGET_HAS_orc_i32 0 #define TCG_TARGET_HAS_eqv_i32 0 #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_mulu2_i32 (!use_mips32r6_instructions) #define TCG_TARGET_HAS_muls2_i32 (!use_mips32r6_instructions) #define TCG_TARGET_HAS_muluh_i32 1 #define TCG_TARGET_HAS_mulsh_i32 1 #define TCG_TARGET_HAS_bswap32_i32 1 #define TCG_TARGET_HAS_direct_jump 0 #if TCG_TARGET_REG_BITS == 64 #define TCG_TARGET_HAS_add2_i32 0 #define TCG_TARGET_HAS_sub2_i32 0 #define TCG_TARGET_HAS_extrl_i64_i32 1 #define TCG_TARGET_HAS_extrh_i64_i32 1 #define TCG_TARGET_HAS_div_i64 1 #define TCG_TARGET_HAS_rem_i64 1 #define TCG_TARGET_HAS_not_i64 1 #define TCG_TARGET_HAS_nor_i64 1 #define TCG_TARGET_HAS_andc_i64 0 #define TCG_TARGET_HAS_orc_i64 0 #define TCG_TARGET_HAS_eqv_i64 0 #define TCG_TARGET_HAS_nand_i64 0 #define TCG_TARGET_HAS_add2_i64 0 #define TCG_TARGET_HAS_sub2_i64 0 #define TCG_TARGET_HAS_mulu2_i64 (!use_mips32r6_instructions) #define TCG_TARGET_HAS_muls2_i64 (!use_mips32r6_instructions) #define TCG_TARGET_HAS_muluh_i64 1 #define TCG_TARGET_HAS_mulsh_i64 1 #define TCG_TARGET_HAS_ext32s_i64 1 #define TCG_TARGET_HAS_ext32u_i64 1 #endif /* optional instructions detected at runtime */ #define TCG_TARGET_HAS_movcond_i32 use_movnz_instructions #define TCG_TARGET_HAS_bswap16_i32 use_mips32r2_instructions #define TCG_TARGET_HAS_deposit_i32 use_mips32r2_instructions #define TCG_TARGET_HAS_extract_i32 use_mips32r2_instructions #define TCG_TARGET_HAS_sextract_i32 0 #define TCG_TARGET_HAS_extract2_i32 0 #define TCG_TARGET_HAS_ext8s_i32 use_mips32r2_instructions #define TCG_TARGET_HAS_ext16s_i32 use_mips32r2_instructions #define TCG_TARGET_HAS_rot_i32 use_mips32r2_instructions #define TCG_TARGET_HAS_clz_i32 use_mips32r2_instructions #define TCG_TARGET_HAS_ctz_i32 0 #define TCG_TARGET_HAS_ctpop_i32 0 #define TCG_TARGET_HAS_qemu_st8_i32 0 #if TCG_TARGET_REG_BITS == 64 #define TCG_TARGET_HAS_movcond_i64 use_movnz_instructions #define TCG_TARGET_HAS_bswap16_i64 use_mips32r2_instructions #define TCG_TARGET_HAS_bswap32_i64 use_mips32r2_instructions #define TCG_TARGET_HAS_bswap64_i64 use_mips32r2_instructions #define TCG_TARGET_HAS_deposit_i64 use_mips32r2_instructions #define TCG_TARGET_HAS_extract_i64 use_mips32r2_instructions #define TCG_TARGET_HAS_sextract_i64 0 #define TCG_TARGET_HAS_extract2_i64 0 #define TCG_TARGET_HAS_ext8s_i64 use_mips32r2_instructions #define TCG_TARGET_HAS_ext16s_i64 use_mips32r2_instructions #define TCG_TARGET_HAS_rot_i64 use_mips32r2_instructions #define TCG_TARGET_HAS_clz_i64 use_mips32r2_instructions #define TCG_TARGET_HAS_ctz_i64 0 #define TCG_TARGET_HAS_ctpop_i64 0 #endif /* optional instructions automatically implemented */ #define TCG_TARGET_HAS_neg_i32 0 /* sub rd, zero, rt */ #define TCG_TARGET_HAS_ext8u_i32 0 /* andi rt, rs, 0xff */ #define TCG_TARGET_HAS_ext16u_i32 0 /* andi rt, rs, 0xffff */ #if TCG_TARGET_REG_BITS == 64 #define TCG_TARGET_HAS_neg_i64 0 /* sub rd, zero, rt */ #define TCG_TARGET_HAS_ext8u_i64 0 /* andi rt, rs, 0xff */ #define TCG_TARGET_HAS_ext16u_i64 0 /* andi rt, rs, 0xffff */ #endif #define TCG_TARGET_DEFAULT_MO (0) #define TCG_TARGET_HAS_MEMORY_BSWAP 1 /* not defined -- call should be eliminated at compile time */ void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t) QEMU_ERROR("code path is reachable"); #define TCG_TARGET_NEED_LDST_LABELS #endif