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Received: from eggs.gnu.org ([209.51.188.92]:44726) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1msKnG-0005mP-7c for qemu-devel@nongnu.org; Wed, 01 Dec 2021 03:16:46 -0500 Received: from mail.loongson.cn ([114.242.206.163]:59150 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1msKnA-00083A-Um for qemu-devel@nongnu.org; Wed, 01 Dec 2021 03:16:45 -0500 Received: from kvm-dev1.localdomain (unknown [10.2.5.134]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9AxaslZL6dhBv8BAA--.4388S9; Wed, 01 Dec 2021 16:16:38 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Subject: [PATCH v12 07/26] target/loongarch: Add fixed point load/store instruction translation Date: Wed, 1 Dec 2021 16:16:06 +0800 Message-Id: <1638346585-3436-8-git-send-email-gaosong@loongson.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1638346585-3436-1-git-send-email-gaosong@loongson.cn> References: <1638346585-3436-1-git-send-email-gaosong@loongson.cn> X-CM-TRANSID: AQAAf9AxaslZL6dhBv8BAA--.4388S9 X-Coremail-Antispam: 1UD129KBjvAXoW3ZFW8JrWktw48JrWDJw1xGrg_yoW8JFy7Ko WUJ3W5Jr48Gr15AFyqkwnYqrWayFyj9393ArZ8uw1UGa4xJry7Jry8GrnYva1fJryjgryr J3WfKF15J3y3Xr1Dn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73VFW2AGmfu7bjvjm3 AaLaJ3UjIYCTnIWjDUYxBIdaVFxhVjvjDU0xZFpf9x0zRUUUUUUUUU= X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaojuan Yang , richard.henderson@linaro.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This includes: - LD.{B[U]/H[U]/W[U]/D}, ST.{B/H/W/D} - LDX.{B[U]/H[U]/W[U]/D}, STX.{B/H/W/D} - LDPTR.{W/D}, STPTR.{W/D} - PRELD - LD{GT/LE}.{B/H/W/D}, ST{GT/LE}.{B/H/W/D} - DBAR, IBAR Signed-off-by: Song Gao Signed-off-by: Xiaojuan Yang Reviewed-by: Richard Henderson --- target/loongarch/helper.h | 3 + target/loongarch/insn_trans/trans_memory.c.inc | 229 +++++++++++++++++++++++++ target/loongarch/insns.decode | 55 ++++++ target/loongarch/op_helper.c | 15 ++ target/loongarch/translate.c | 6 + 5 files changed, 308 insertions(+) create mode 100644 target/loongarch/insn_trans/trans_memory.c.inc diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h index 04e0245..100622b 100644 --- a/target/loongarch/helper.h +++ b/target/loongarch/helper.h @@ -8,3 +8,6 @@ DEF_HELPER_2(raise_exception, noreturn, env, i32) DEF_HELPER_FLAGS_1(bitrev_w, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(bitrev_d, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(bitswap, TCG_CALL_NO_RWG_SE, tl, tl) + +DEF_HELPER_FLAGS_3(asrtle_d, TCG_CALL_NO_WG, void, env, tl, tl) +DEF_HELPER_FLAGS_3(asrtgt_d, TCG_CALL_NO_WG, void, env, tl, tl) diff --git a/target/loongarch/insn_trans/trans_memory.c.inc b/target/loongarch/insn_trans/trans_memory.c.inc new file mode 100644 index 0000000..9003d9a --- /dev/null +++ b/target/loongarch/insn_trans/trans_memory.c.inc @@ -0,0 +1,229 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + */ + +static bool gen_load(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->imm); + addr = temp; + } + + tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + + if (temp) { + tcg_temp_free(temp); + } + + return true; +} + +static bool gen_store(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->imm); + addr = temp; + } + + tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, mop); + + if (temp) { + tcg_temp_free(temp); + } + + return true; +} + +static bool gen_loadx(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + tcg_temp_free(addr); + + return true; +} + +static bool gen_storex(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + TCGv addr = tcg_temp_new(); + + tcg_gen_add_tl(addr, src1, src2); + tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, mop); + tcg_temp_free(addr); + + return true; +} + +static bool gen_load_gt(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + + gen_helper_asrtgt_d(cpu_env, src1, src2); + tcg_gen_qemu_ld_tl(dest, src1, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + + return true; +} + +static bool gen_load_le(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + + gen_helper_asrtle_d(cpu_env, src1, src2); + tcg_gen_qemu_ld_tl(dest, src1, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + + return true; +} + +static bool gen_store_gt(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + + gen_helper_asrtgt_d(cpu_env, src1, src2); + tcg_gen_qemu_st_tl(data, src1, ctx->mem_idx, mop); + + return true; +} + +static bool gen_store_le(DisasContext *ctx, arg_rrr *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rk, EXT_NONE); + + gen_helper_asrtle_d(cpu_env, src1, src2); + tcg_gen_qemu_st_tl(data, src1, ctx->mem_idx, mop); + + return true; +} + +static bool trans_preld(DisasContext *ctx, arg_preld *a) +{ + return true; +} + +static bool trans_dbar(DisasContext *ctx, arg_dbar * a) +{ + tcg_gen_mb(TCG_BAR_SC | TCG_MO_ALL); + return true; +} + +static bool trans_ibar(DisasContext *ctx, arg_ibar *a) +{ + ctx->base.is_jmp = DISAS_STOP; + return true; +} + +static bool gen_ldptr(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->imm); + addr = temp; + } + + tcg_gen_qemu_ld_tl(dest, addr, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + + if (temp) { + tcg_temp_free(temp); + } + + return true; +} + +static bool gen_stptr(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv data = gpr_src(ctx, a->rd, EXT_NONE); + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv temp = NULL; + + if (a->imm) { + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, addr, a->im); + addr = temp; + } + + tcg_gen_qemu_st_tl(data, addr, ctx->mem_idx, mop); + + if (temp) { + tcg_temp_free(temp); + } + + return true; +} + +TRANS(ld_b, gen_load, MO_SB) +TRANS(ld_h, gen_load, MO_TESW) +TRANS(ld_w, gen_load, MO_TESL) +TRANS(ld_d, gen_load, MO_TEQ) +TRANS(st_b, gen_store, MO_SB) +TRANS(st_h, gen_store, MO_TESW) +TRANS(st_w, gen_store, MO_TESL) +TRANS(st_d, gen_store, MO_TEQ) +TRANS(ld_bu, gen_load, MO_UB) +TRANS(ld_hu, gen_load, MO_TEUW) +TRANS(ld_wu, gen_load, MO_TEUL) +TRANS(ldx_b, gen_loadx, MO_SB) +TRANS(ldx_h, gen_loadx, MO_TESW) +TRANS(ldx_w, gen_loadx, MO_TESL) +TRANS(ldx_d, gen_loadx, MO_TEQ) +TRANS(stx_b, gen_storex, MO_SB) +TRANS(stx_h, gen_storex, MO_TESW) +TRANS(stx_w, gen_storex, MO_TESL) +TRANS(stx_d, gen_storex, MO_TEQ) +TRANS(ldx_bu, gen_loadx, MO_UB) +TRANS(ldx_hu, gen_loadx, MO_TEUW) +TRANS(ldx_wu, gen_loadx, MO_TEUL) +TRANS(ldptr_w, gen_ldptr, MO_TESL) +TRANS(stptr_w, gen_stptr, MO_TESL) +TRANS(ldptr_d, gen_ldptr, MO_TEQ) +TRANS(stptr_d, gen_stptr, MO_TEQ) +TRANS(ldgt_b, gen_load_gt, MO_SB) +TRANS(ldgt_h, gen_load_gt, MO_TESW) +TRANS(ldgt_w, gen_load_gt, MO_TESL) +TRANS(ldgt_d, gen_load_gt, MO_TEQ) +TRANS(ldle_b, gen_load_le, MO_SB) +TRANS(ldle_h, gen_load_le, MO_TESW) +TRANS(ldle_w, gen_load_le, MO_TESL) +TRANS(ldle_d, gen_load_le, MO_TEQ) +TRANS(stgt_b, gen_store_gt, MO_SB) +TRANS(stgt_h, gen_store_gt, MO_TESW) +TRANS(stgt_w, gen_store_gt, MO_TESL) +TRANS(stgt_d, gen_store_gt, MO_TEQ) +TRANS(stle_b, gen_store_le, MO_SB) +TRANS(stle_h, gen_store_le, MO_TESW) +TRANS(stle_w, gen_store_le, MO_TESL) +TRANS(stle_d, gen_store_le, MO_TEQ) diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode index b0bed55..1156e69 100644 --- a/target/loongarch/insns.decode +++ b/target/loongarch/insns.decode @@ -8,21 +8,25 @@ # # Fields # +%i14s2 10:s14 !function=shl_2 %sa2p1 15:2 !function=plus_1 # # Argument sets # +&i imm &r_i rd imm &rr rd rj &rrr rd rj rk &rr_i rd rj imm +&hint_r_i hint rj imm &rrr_sa rd rj rk sa &rr_ms_ls rd rj ms ls # # Formats # +@i15 .... ........ ..... imm:15 &i @rr .... ........ ..... ..... rj:5 rd:5 &rr @rrr .... ........ ..... rk:5 rj:5 rd:5 &rrr @r_i20 .... ... imm:s20 rd:5 &r_i @@ -30,7 +34,9 @@ @rr_ui6 .... ........ .... imm:6 rj:5 rd:5 &rr_i @rr_i12 .... ...... imm:s12 rj:5 rd:5 &rr_i @rr_ui12 .... ...... imm:12 rj:5 rd:5 &rr_i +@rr_i14s2 .... .... .............. rj:5 rd:5 &rr_i imm=%i14s2 @rr_i16 .... .. imm:s16 rj:5 rd:5 &rr_i +@hint_r_i12 .... ...... imm:s12 rj:5 hint:5 &hint_r_i @rrr_sa2p1 .... ........ ... .. rk:5 rj:5 rd:5 &rrr_sa sa=%sa2p1 @rrr_sa2 .... ........ ... sa:2 rk:5 rj:5 rd:5 &rrr_sa @rrr_sa3 .... ........ .. sa:3 rk:5 rj:5 rd:5 &rrr_sa @@ -138,3 +144,52 @@ bstrins_w 0000 0000011 ..... 0 ..... ..... ..... @rr_2bw bstrpick_w 0000 0000011 ..... 1 ..... ..... ..... @rr_2bw bstrins_d 0000 000010 ...... ...... ..... ..... @rr_2bd bstrpick_d 0000 000011 ...... ...... ..... ..... @rr_2bd + +# +# Fixed point load/store instruction +# +ld_b 0010 100000 ............ ..... ..... @rr_i12 +ld_h 0010 100001 ............ ..... ..... @rr_i12 +ld_w 0010 100010 ............ ..... ..... @rr_i12 +ld_d 0010 100011 ............ ..... ..... @rr_i12 +st_b 0010 100100 ............ ..... ..... @rr_i12 +st_h 0010 100101 ............ ..... ..... @rr_i12 +st_w 0010 100110 ............ ..... ..... @rr_i12 +st_d 0010 100111 ............ ..... ..... @rr_i12 +ld_bu 0010 101000 ............ ..... ..... @rr_i12 +ld_hu 0010 101001 ............ ..... ..... @rr_i12 +ld_wu 0010 101010 ............ ..... ..... @rr_i12 +ldx_b 0011 10000000 00000 ..... ..... ..... @rrr +ldx_h 0011 10000000 01000 ..... ..... ..... @rrr +ldx_w 0011 10000000 10000 ..... ..... ..... @rrr +ldx_d 0011 10000000 11000 ..... ..... ..... @rrr +stx_b 0011 10000001 00000 ..... ..... ..... @rrr +stx_h 0011 10000001 01000 ..... ..... ..... @rrr +stx_w 0011 10000001 10000 ..... ..... ..... @rrr +stx_d 0011 10000001 11000 ..... ..... ..... @rrr +ldx_bu 0011 10000010 00000 ..... ..... ..... @rrr +ldx_hu 0011 10000010 01000 ..... ..... ..... @rrr +ldx_wu 0011 10000010 10000 ..... ..... ..... @rrr +preld 0010 101011 ............ ..... ..... @hint_r_i12 +dbar 0011 10000111 00100 ............... @i15 +ibar 0011 10000111 00101 ............... @i15 +ldptr_w 0010 0100 .............. ..... ..... @rr_i14s2 +stptr_w 0010 0101 .............. ..... ..... @rr_i14s2 +ldptr_d 0010 0110 .............. ..... ..... @rr_i14s2 +stptr_d 0010 0111 .............. ..... ..... @rr_i14s2 +ldgt_b 0011 10000111 10000 ..... ..... ..... @rrr +ldgt_h 0011 10000111 10001 ..... ..... ..... @rrr +ldgt_w 0011 10000111 10010 ..... ..... ..... @rrr +ldgt_d 0011 10000111 10011 ..... ..... ..... @rrr +ldle_b 0011 10000111 10100 ..... ..... ..... @rrr +ldle_h 0011 10000111 10101 ..... ..... ..... @rrr +ldle_w 0011 10000111 10110 ..... ..... ..... @rrr +ldle_d 0011 10000111 10111 ..... ..... ..... @rrr +stgt_b 0011 10000111 11000 ..... ..... ..... @rrr +stgt_h 0011 10000111 11001 ..... ..... ..... @rrr +stgt_w 0011 10000111 11010 ..... ..... ..... @rrr +stgt_d 0011 10000111 11011 ..... ..... ..... @rrr +stle_b 0011 10000111 11100 ..... ..... ..... @rrr +stle_h 0011 10000111 11101 ..... ..... ..... @rrr +stle_w 0011 10000111 11110 ..... ..... ..... @rrr +stle_d 0011 10000111 11111 ..... ..... ..... @rrr diff --git a/target/loongarch/op_helper.c b/target/loongarch/op_helper.c index 1fc9d81..53ee9ff 100644 --- a/target/loongarch/op_helper.c +++ b/target/loongarch/op_helper.c @@ -41,3 +41,18 @@ target_ulong helper_bitswap(target_ulong v) ((v & (target_ulong)0x0F0F0F0F0F0F0F0FULL) << 4); return v; } + +/* loongarch assert op */ +void helper_asrtle_d(CPULoongArchState *env, target_ulong rj, target_ulong rk) +{ + if (rj > rk) { + do_raise_exception(env, EXCP_ADE, GETPC()); + } +} + +void helper_asrtgt_d(CPULoongArchState *env, target_ulong rj, target_ulong rk) +{ + if (rj <= rk) { + do_raise_exception(env, EXCP_ADE, GETPC()); + } +} diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c index c0875db..4ce452a 100644 --- a/target/loongarch/translate.c +++ b/target/loongarch/translate.c @@ -31,6 +31,11 @@ static inline int plus_1(DisasContext *ctx, int x) return x + 1; } +static inline int shl_2(DisasContext *ctx, int x) +{ + return x * 4; +} + void generate_exception(DisasContext *ctx, int excp) { tcg_gen_movi_tl(cpu_pc, ctx->base.pc_next); @@ -148,6 +153,7 @@ static void gen_set_gpr(int reg_num, TCGv t, DisasExtend dst_ext) #include "insn_trans/trans_arith.c.inc" #include "insn_trans/trans_shift.c.inc" #include "insn_trans/trans_bit.c.inc" +#include "insn_trans/trans_memory.c.inc" static void loongarch_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) {