| /* |
| * Tiny Code Generator for QEMU |
| * |
| * Copyright (c) 2021 WANG Xuerui <git@xen0n.name> |
| * |
| * Based on tcg/riscv/tcg-target.h |
| * |
| * Copyright (c) 2018 SiFive, Inc |
| * |
| * 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 LOONGARCH_TCG_TARGET_H |
| #define LOONGARCH_TCG_TARGET_H |
| |
| /* |
| * Loongson removed the (incomplete) 32-bit support from kernel and toolchain |
| * for the initial upstreaming of this architecture, so don't bother and just |
| * support the LP64* ABI for now. |
| */ |
| #if defined(__loongarch64) |
| # define TCG_TARGET_REG_BITS 64 |
| #else |
| # error unsupported LoongArch register size |
| #endif |
| |
| #define TCG_TARGET_INSN_UNIT_SIZE 4 |
| #define TCG_TARGET_NB_REGS 32 |
| /* |
| * PCADDU18I + JIRL sequence can give 20 + 16 + 2 = 38 bits |
| * signed offset, which is +/- 128 GiB. |
| */ |
| #define MAX_CODE_GEN_BUFFER_SIZE (128 * GiB) |
| |
| typedef enum { |
| TCG_REG_ZERO, |
| TCG_REG_RA, |
| TCG_REG_TP, |
| TCG_REG_SP, |
| TCG_REG_A0, |
| TCG_REG_A1, |
| TCG_REG_A2, |
| TCG_REG_A3, |
| TCG_REG_A4, |
| TCG_REG_A5, |
| TCG_REG_A6, |
| TCG_REG_A7, |
| 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_T8, |
| TCG_REG_RESERVED, |
| TCG_REG_S9, |
| 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_S8, |
| |
| /* aliases */ |
| TCG_AREG0 = TCG_REG_S0, |
| TCG_REG_TMP0 = TCG_REG_T8, |
| TCG_REG_TMP1 = TCG_REG_T7, |
| TCG_REG_TMP2 = TCG_REG_T6, |
| } TCGReg; |
| |
| /* used for function call generation */ |
| #define TCG_REG_CALL_STACK TCG_REG_SP |
| #define TCG_TARGET_STACK_ALIGN 16 |
| #define TCG_TARGET_CALL_STACK_OFFSET 0 |
| #define TCG_TARGET_CALL_ARG_I32 TCG_CALL_ARG_NORMAL |
| #define TCG_TARGET_CALL_ARG_I64 TCG_CALL_ARG_NORMAL |
| |
| /* optional instructions */ |
| #define TCG_TARGET_HAS_movcond_i32 0 |
| #define TCG_TARGET_HAS_div_i32 1 |
| #define TCG_TARGET_HAS_rem_i32 1 |
| #define TCG_TARGET_HAS_div2_i32 0 |
| #define TCG_TARGET_HAS_rot_i32 1 |
| #define TCG_TARGET_HAS_deposit_i32 1 |
| #define TCG_TARGET_HAS_extract_i32 1 |
| #define TCG_TARGET_HAS_sextract_i32 0 |
| #define TCG_TARGET_HAS_extract2_i32 0 |
| #define TCG_TARGET_HAS_add2_i32 0 |
| #define TCG_TARGET_HAS_sub2_i32 0 |
| #define TCG_TARGET_HAS_mulu2_i32 0 |
| #define TCG_TARGET_HAS_muls2_i32 0 |
| #define TCG_TARGET_HAS_muluh_i32 1 |
| #define TCG_TARGET_HAS_mulsh_i32 1 |
| #define TCG_TARGET_HAS_ext8s_i32 1 |
| #define TCG_TARGET_HAS_ext16s_i32 1 |
| #define TCG_TARGET_HAS_ext8u_i32 1 |
| #define TCG_TARGET_HAS_ext16u_i32 1 |
| #define TCG_TARGET_HAS_bswap16_i32 1 |
| #define TCG_TARGET_HAS_bswap32_i32 1 |
| #define TCG_TARGET_HAS_not_i32 1 |
| #define TCG_TARGET_HAS_neg_i32 0 |
| #define TCG_TARGET_HAS_andc_i32 1 |
| #define TCG_TARGET_HAS_orc_i32 1 |
| #define TCG_TARGET_HAS_eqv_i32 0 |
| #define TCG_TARGET_HAS_nand_i32 0 |
| #define TCG_TARGET_HAS_nor_i32 1 |
| #define TCG_TARGET_HAS_clz_i32 1 |
| #define TCG_TARGET_HAS_ctz_i32 1 |
| #define TCG_TARGET_HAS_ctpop_i32 0 |
| #define TCG_TARGET_HAS_direct_jump 1 |
| #define TCG_TARGET_HAS_brcond2 0 |
| #define TCG_TARGET_HAS_setcond2 0 |
| #define TCG_TARGET_HAS_qemu_st8_i32 0 |
| |
| /* 64-bit operations */ |
| #define TCG_TARGET_HAS_movcond_i64 0 |
| #define TCG_TARGET_HAS_div_i64 1 |
| #define TCG_TARGET_HAS_rem_i64 1 |
| #define TCG_TARGET_HAS_div2_i64 0 |
| #define TCG_TARGET_HAS_rot_i64 1 |
| #define TCG_TARGET_HAS_deposit_i64 1 |
| #define TCG_TARGET_HAS_extract_i64 1 |
| #define TCG_TARGET_HAS_sextract_i64 0 |
| #define TCG_TARGET_HAS_extract2_i64 0 |
| #define TCG_TARGET_HAS_extrl_i64_i32 1 |
| #define TCG_TARGET_HAS_extrh_i64_i32 1 |
| #define TCG_TARGET_HAS_ext8s_i64 1 |
| #define TCG_TARGET_HAS_ext16s_i64 1 |
| #define TCG_TARGET_HAS_ext32s_i64 1 |
| #define TCG_TARGET_HAS_ext8u_i64 1 |
| #define TCG_TARGET_HAS_ext16u_i64 1 |
| #define TCG_TARGET_HAS_ext32u_i64 1 |
| #define TCG_TARGET_HAS_bswap16_i64 1 |
| #define TCG_TARGET_HAS_bswap32_i64 1 |
| #define TCG_TARGET_HAS_bswap64_i64 1 |
| #define TCG_TARGET_HAS_not_i64 1 |
| #define TCG_TARGET_HAS_neg_i64 0 |
| #define TCG_TARGET_HAS_andc_i64 1 |
| #define TCG_TARGET_HAS_orc_i64 1 |
| #define TCG_TARGET_HAS_eqv_i64 0 |
| #define TCG_TARGET_HAS_nand_i64 0 |
| #define TCG_TARGET_HAS_nor_i64 1 |
| #define TCG_TARGET_HAS_clz_i64 1 |
| #define TCG_TARGET_HAS_ctz_i64 1 |
| #define TCG_TARGET_HAS_ctpop_i64 0 |
| #define TCG_TARGET_HAS_add2_i64 0 |
| #define TCG_TARGET_HAS_sub2_i64 0 |
| #define TCG_TARGET_HAS_mulu2_i64 0 |
| #define TCG_TARGET_HAS_muls2_i64 0 |
| #define TCG_TARGET_HAS_muluh_i64 1 |
| #define TCG_TARGET_HAS_mulsh_i64 1 |
| |
| void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t); |
| |
| #define TCG_TARGET_DEFAULT_MO (0) |
| |
| #define TCG_TARGET_NEED_LDST_LABELS |
| |
| #define TCG_TARGET_HAS_MEMORY_BSWAP 0 |
| |
| #endif /* LOONGARCH_TCG_TARGET_H */ |
