From patchwork Mon Aug 19 08:09:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ~liuxu X-Patchwork-Id: 13768067 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9CF47C52D7C for ; Mon, 19 Aug 2024 08:28:42 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sfxk3-00048I-Pg; Mon, 19 Aug 2024 04:27:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sfxiZ-0003wo-Oq for qemu-devel@nongnu.org; Mon, 19 Aug 2024 04:26:23 -0400 Received: from mail-a.sr.ht ([46.23.81.152]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sfxiW-0002hL-37 for qemu-devel@nongnu.org; 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envelope-from=outgoing@sr.ht; helo=mail-a.sr.ht X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Reply-To: ~liuxu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: lxx <1733205434@qq.com> This patch adds support for the Zilsd and Zclsd extension, which is documented at https://github.com/riscv/riscv-zilsd/releases/tag/v0.9.0 Co-developed-by: SUN Dongya Co-developed-by: LIU Xu Co-developed-by: ZHAO Fujin --- target/riscv/cpu.c | 4 + target/riscv/cpu_cfg.h | 2 + target/riscv/insn16.decode | 8 ++ target/riscv/insn32.decode | 12 ++- target/riscv/insn_trans/trans_zilsd.c.inc | 112 ++++++++++++++++++++++ target/riscv/tcg/tcg-cpu.c | 16 ++++ target/riscv/translate.c | 1 + 7 files changed, 153 insertions(+), 2 deletions(-) create mode 100644 target/riscv/insn_trans/trans_zilsd.c.inc diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 36e3e5fdaf..be9746d361 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -113,6 +113,7 @@ const RISCVIsaExtData isa_edata_arr[] = { ISA_EXT_DATA_ENTRY(zihintntl, PRIV_VERSION_1_10_0, ext_zihintntl), ISA_EXT_DATA_ENTRY(zihintpause, PRIV_VERSION_1_10_0, ext_zihintpause), ISA_EXT_DATA_ENTRY(zihpm, PRIV_VERSION_1_12_0, ext_zihpm), + ISA_EXT_DATA_ENTRY(zilsd, PRIV_VERSION_1_12_0, ext_zilsd), ISA_EXT_DATA_ENTRY(zmmul, PRIV_VERSION_1_12_0, ext_zmmul), ISA_EXT_DATA_ENTRY(za64rs, PRIV_VERSION_1_12_0, has_priv_1_11), ISA_EXT_DATA_ENTRY(zaamo, PRIV_VERSION_1_12_0, ext_zaamo), @@ -132,6 +133,7 @@ const RISCVIsaExtData isa_edata_arr[] = { ISA_EXT_DATA_ENTRY(zce, PRIV_VERSION_1_12_0, ext_zce), ISA_EXT_DATA_ENTRY(zcmp, PRIV_VERSION_1_12_0, ext_zcmp), ISA_EXT_DATA_ENTRY(zcmt, PRIV_VERSION_1_12_0, ext_zcmt), + ISA_EXT_DATA_ENTRY(zclsd, PRIV_VERSION_1_12_0, ext_zclsd), ISA_EXT_DATA_ENTRY(zba, PRIV_VERSION_1_12_0, ext_zba), ISA_EXT_DATA_ENTRY(zbb, PRIV_VERSION_1_12_0, ext_zbb), ISA_EXT_DATA_ENTRY(zbc, PRIV_VERSION_1_12_0, ext_zbc), @@ -1492,6 +1494,7 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = { MULTI_EXT_CFG_BOOL("zicntr", ext_zicntr, true), MULTI_EXT_CFG_BOOL("zihpm", ext_zihpm, true), + MULTI_EXT_CFG_BOOL("zilsd", ext_zilsd, false), MULTI_EXT_CFG_BOOL("zba", ext_zba, true), MULTI_EXT_CFG_BOOL("zbb", ext_zbb, true), @@ -1531,6 +1534,7 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = { MULTI_EXT_CFG_BOOL("zcmp", ext_zcmp, false), MULTI_EXT_CFG_BOOL("zcmt", ext_zcmt, false), MULTI_EXT_CFG_BOOL("zicond", ext_zicond, false), + MULTI_EXT_CFG_BOOL("zclsd", ext_zclsd, false), /* Vector cryptography extensions */ MULTI_EXT_CFG_BOOL("zvbb", ext_zvbb, false), diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h index cb750154bd..76ae1e95d7 100644 --- a/target/riscv/cpu_cfg.h +++ b/target/riscv/cpu_cfg.h @@ -51,6 +51,7 @@ struct RISCVCPUConfig { bool ext_zcf; bool ext_zcmp; bool ext_zcmt; + bool ext_zclsd; bool ext_zk; bool ext_zkn; bool ext_zknd; @@ -71,6 +72,7 @@ struct RISCVCPUConfig { bool ext_zihintntl; bool ext_zihintpause; bool ext_zihpm; + bool ext_zilsd; bool ext_ztso; bool ext_smstateen; bool ext_sstc; diff --git a/target/riscv/insn16.decode b/target/riscv/insn16.decode index b96c534e73..bcd94e41e1 100644 --- a/target/riscv/insn16.decode +++ b/target/riscv/insn16.decode @@ -130,10 +130,14 @@ sw 110 ... ... .. ... 00 @cs_w { ld 011 ... ... .. ... 00 @cl_d c_flw 011 ... ... .. ... 00 @cl_w + # *** Zclsd Extension *** + zclsd_ld 011 ... ... .. ... 00 @cl_d } { sd 111 ... ... .. ... 00 @cs_d c_fsw 111 ... ... .. ... 00 @cs_w + # *** Zclsd Extension *** + zclsd_sd 111 ... ... .. ... 00 @cs_d } # *** RV32/64C Standard Extension (Quadrant 1) *** @@ -207,10 +211,14 @@ sw 110 . ..... ..... 10 @c_swsp c64_illegal 011 - 00000 ----- 10 # c.ldsp, RES rd=0 ld 011 . ..... ..... 10 @c_ldsp c_flw 011 . ..... ..... 10 @c_lwsp + # *** Zclsd Extension *** + zclsd_ldsp 011 . ..... ..... 10 @c_ldsp } { sd 111 . ..... ..... 10 @c_sdsp c_fsw 111 . ..... ..... 10 @c_swsp + # *** Zclsd Extension *** + zclsd_sd 111 . ..... ..... 10 @c_sdsp } # *** RV64 and RV32 Zcb Extension *** diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index f22df04cfd..f6f4b7950b 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -169,8 +169,16 @@ csrrci ............ ..... 111 ..... 1110011 @csr # *** RV64I Base Instruction Set (in addition to RV32I) *** lwu ............ ..... 110 ..... 0000011 @i -ld ............ ..... 011 ..... 0000011 @i -sd ....... ..... ..... 011 ..... 0100011 @s +{ + ld ............ ..... 011 ..... 0000011 @i + # *** Zilsd instructions *** + zilsd_ld ............ ..... 011 ..... 0000011 @i +} +{ + sd ....... ..... ..... 011 ..... 0100011 @s + # *** Zilsd instructions *** + zilsd_sd ....... ..... ..... 011 ..... 0100011 @s +} addiw ............ ..... 000 ..... 0011011 @i slliw 0000000 ..... ..... 001 ..... 0011011 @sh5 srliw 0000000 ..... ..... 101 ..... 0011011 @sh5 diff --git a/target/riscv/insn_trans/trans_zilsd.c.inc b/target/riscv/insn_trans/trans_zilsd.c.inc new file mode 100644 index 0000000000..1e3ab362de --- /dev/null +++ b/target/riscv/insn_trans/trans_zilsd.c.inc @@ -0,0 +1,112 @@ +/* + * RISC-V translation routines for the Zilsd & Zclsd Extension. + * + * Copyright (c) 2024 Nucleisys, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#define REQUIRE_ZILSD(ctx) do { \ + if (!ctx->cfg_ptr->ext_zilsd) \ + return false; \ +} while (0) + +#define REQUIRE_ZCLSD(ctx) do { \ + if (!ctx->cfg_ptr->ext_zclsd) \ + return false; \ +} while (0) + +static bool gen_load_i64(DisasContext *ctx, arg_ld *a) +{ + if ((a->rd) % 2) { + return false; + } + + TCGv dest_low = dest_gpr(ctx, a->rd); + TCGv dest_high = dest_gpr(ctx, a->rd + 1); + TCGv addr = get_address(ctx, a->rs1, a->imm); + TCGv_i64 tmp = tcg_temp_new_i64(); + + tcg_gen_qemu_ld_i64(tmp, addr, ctx->mem_idx, MO_TESQ); + + if (a->rd == 0) { + return true; + } + + tcg_gen_extr_i64_tl(dest_low, dest_high, tmp); + + gen_set_gpr(ctx, a->rd, dest_low); + gen_set_gpr(ctx, a->rd + 1, dest_high); + + return true; +} + +static bool trans_zilsd_ld(DisasContext *ctx, arg_zilsd_ld *a) +{ + REQUIRE_32BIT(ctx); + REQUIRE_ZILSD(ctx); + return gen_load_i64(ctx, a); +} + +static bool trans_zclsd_ld(DisasContext *ctx, arg_zclsd_ld *a) +{ + REQUIRE_32BIT(ctx); + REQUIRE_ZCLSD(ctx); + return gen_load_i64(ctx, a); +} + +static bool trans_zclsd_ldsp(DisasContext *ctx, arg_zclsd_ldsp *a) +{ + REQUIRE_32BIT(ctx); + REQUIRE_ZCLSD(ctx); + + if (a->rd == 0) { + return false; + } + return gen_load_i64(ctx, a); +} + +static bool gen_store_i64(DisasContext *ctx, arg_sd *a) +{ + if ((a->rs2) % 2) { + return false; + } + + TCGv data_low = get_gpr(ctx, a->rs2, EXT_NONE); + TCGv data_high = get_gpr(ctx, a->rs2 + 1, EXT_NONE); + TCGv addr = get_address(ctx, a->rs1, a->imm); + TCGv_i64 tmp = tcg_temp_new_i64(); + + if (a->rs2 == 0) { + tmp = tcg_constant_i64(0); + } else { + tcg_gen_concat_tl_i64(tmp, data_low, data_high); + } + tcg_gen_qemu_st_i64(tmp, addr, ctx->mem_idx, MO_TESQ); + + return true; +} + +static bool trans_zilsd_sd(DisasContext *ctx, arg_zilsd_sd *a) +{ + REQUIRE_32BIT(ctx); + REQUIRE_ZILSD(ctx); + return gen_store_i64(ctx, a); +} + +static bool trans_zclsd_sd(DisasContext *ctx, arg_zclsd_sd *a) +{ + REQUIRE_32BIT(ctx); + REQUIRE_ZCLSD(ctx); + return gen_store_i64(ctx, a); +} diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index b5b95e052d..8d9b3c748f 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -721,6 +721,22 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp) cpu->pmu_avail_ctrs = 0; } + if (cpu->cfg.ext_zclsd) { + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zca), true); + cpu_cfg_ext_auto_update(cpu, CPU_CFG_OFFSET(ext_zilsd), true); + + if (riscv_has_ext(env, RVC) && riscv_has_ext(env, RVF)) { + error_setg(errp, + "Zclsd cannot be supported together with C and F extension"); + return; + } + if (cpu->cfg.ext_zcf) { + error_setg(errp, + "Zclsd cannot be supported together with Zcf extension"); + return; + } + } + /* * Disable isa extensions based on priv spec after we * validated and set everything we need. diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 9ff09ebdb6..be148ef3c6 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1113,6 +1113,7 @@ static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc) /* Include the auto-generated decoder for 16 bit insn */ #include "decode-insn16.c.inc" #include "insn_trans/trans_rvzce.c.inc" +#include "insn_trans/trans_zilsd.c.inc" /* Include decoders for factored-out extensions */ #include "decode-XVentanaCondOps.c.inc"