From patchwork Tue May 30 13:18:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christoph_M=C3=BCllner?= X-Patchwork-Id: 13260042 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 A2510C77B7A for ; Tue, 30 May 2023 13:23:43 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q3zGI-0002NC-C0; Tue, 30 May 2023 09:19:42 -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 1q3zFc-0001zU-Bz for qemu-devel@nongnu.org; Tue, 30 May 2023 09:19:02 -0400 Received: from mail-ed1-x52f.google.com ([2a00:1450:4864:20::52f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q3zFW-0006rl-TC for qemu-devel@nongnu.org; Tue, 30 May 2023 09:18:58 -0400 Received: by mail-ed1-x52f.google.com with SMTP id 4fb4d7f45d1cf-5149e65c218so3889279a12.2 for ; Tue, 30 May 2023 06:18:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vrull.eu; s=google; t=1685452733; x=1688044733; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=C4JG+UvG+41BIzc1S6ISddiKMWiG+0KNIMC/YVrL7n8=; b=XOiCGRpLEFRb29F1MR/0cBHKw3nO/uA8ovE4QuhGTr7uPkyzTiYK0QvabhL54Y8lr6 UaSvxVatkbv6ptK8ojtNlBL2TSHq7zqGHQ6ZsSNCpa108htnQZtjICf71wNl5VsMLywc 8ukJGnik61Ofe05u8xaYKN5ZSuzm1WAk8zdSNFgHq+9jw/gmO+7yHGb09YPacGG6oWl7 BOPlt47/RPGsV6czIxvb6WbulZE9g75QafMGrYge9rxgqnEH0J9ZAV29pFX70MdhPBz0 DtXlPSmELwiUi0QX3AAhbE5EpZ9P7J8nlSz7wcfwHUKiFodKWWZUdYfm07U1W0CxruMg kjkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685452733; x=1688044733; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=C4JG+UvG+41BIzc1S6ISddiKMWiG+0KNIMC/YVrL7n8=; b=iDyjU3HjZ7oILBlXAu0MJbZrbV7i5eJB/EuXKH91J+cDVfc6TkG0mp+jhFMBfIpWtw YHrciN9usYcSIDlkqWaJlOJTOpB+qZ1GSAxnKG9y0soFRdoT2auuaDPkNvEg5G5Ys9sC PPCZrSJVyab1zTPPX+zeSW3l7HlAPL4qY52lfU2YmoJ0uj9+25hOKGwhQQCdL50yb06u tyYa6JHhNV/QjVW8dJGox95w4q/p3CwvC1I6ZoLpD8wbGJHQHeE2U9+GWTB1WAxToPrR +JHdLVqCJRFmBu7Boo81iIVTYabTWkSZCv+t5EUkS7xA3v8xt6KO3vcbplNaG8ytOHWN rCSA== X-Gm-Message-State: AC+VfDyl9fyoNqr3hR1pl/XxG2kZNP02klsAR0rKj7sLeNw5I+KuvjB6 OCGTtXVE/XEwR2csvOFt5HZHfQ== X-Google-Smtp-Source: ACHHUZ5gStfWYN0ozHhoy2El7RZ02mvJU6GIPrypyP2bwtrQt2064QhFyjJKf9mMEKkKSu5CIzajtw== X-Received: by 2002:a17:907:3e05:b0:967:dff4:e0f9 with SMTP id hp5-20020a1709073e0500b00967dff4e0f9mr2675354ejc.71.1685452733526; Tue, 30 May 2023 06:18:53 -0700 (PDT) Received: from beast.fritz.box (62-178-148-172.cable.dynamic.surfer.at. [62.178.148.172]) by smtp.gmail.com with ESMTPSA id le8-20020a170907170800b0096f803afbe3sm7376156ejc.66.2023.05.30.06.18.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 May 2023 06:18:53 -0700 (PDT) From: Christoph Muellner To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org, Alistair Francis , Bin Meng , Philipp Tomsich , Palmer Dabbelt , Richard Henderson , Zhiwei Liu Cc: =?utf-8?q?Christoph_M=C3=BCllner?= , Alistair Francis Subject: [PATCH 5/9] disas/riscv: Encapsulate opcode_data into decode Date: Tue, 30 May 2023 15:18:39 +0200 Message-Id: <20230530131843.1186637-6-christoph.muellner@vrull.eu> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230530131843.1186637-1-christoph.muellner@vrull.eu> References: <20230530131843.1186637-1-christoph.muellner@vrull.eu> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::52f; envelope-from=christoph.muellner@vrull.eu; helo=mail-ed1-x52f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Christoph Müllner This patch adds a reference to a struct rv_opcode_data object into struct rv_decode. This further allows to remove all references to the global variable opcode_data (which is renamed to rvi_opcode_data). This patch does not introduce any functional change, but prepares the code for more struct rv_opcode_data objects in the future. This patch is based on previous work from Liu Zhiwei: https://lists.nongnu.org/archive/html/qemu-devel/2022-08/msg03662.html Co-developed-by: LIU Zhiwei Signed-off-by: Christoph Müllner Reviewed-by: Alistair Francis --- disas/riscv.c | 9 ++++++++- disas/riscv.h | 33 +++++++++++++++++---------------- 2 files changed, 25 insertions(+), 17 deletions(-) diff --git a/disas/riscv.c b/disas/riscv.c index 4cf477bc02..086edee6a2 100644 --- a/disas/riscv.c +++ b/disas/riscv.c @@ -1055,7 +1055,7 @@ static const rv_comp_data rvcp_fsgnjx_q[] = { /* instruction metadata */ -const rv_opcode_data opcode_data[] = { +const rv_opcode_data rvi_opcode_data[] = { { "illegal", rv_codec_illegal, rv_fmt_none, NULL, 0, 0, 0 }, { "lui", rv_codec_u, rv_fmt_rd_imm, NULL, 0, 0, 0 }, { "auipc", rv_codec_u, rv_fmt_rd_offset, NULL, 0, 0, 0 }, @@ -3803,6 +3803,7 @@ static uint32_t operand_tbl_index(rv_inst inst) static void decode_inst_operands(rv_decode *dec, rv_isa isa) { + const rv_opcode_data *opcode_data = dec->opcode_data; rv_inst inst = dec->inst; dec->codec = opcode_data[dec->op].codec; switch (dec->codec) { @@ -4284,6 +4285,7 @@ static void append(char *s1, const char *s2, size_t n) static void format_inst(char *buf, size_t buflen, size_t tab, rv_decode *dec) { + const rv_opcode_data *opcode_data = dec->opcode_data; char tmp[64]; const char *fmt; @@ -4517,6 +4519,7 @@ static void format_inst(char *buf, size_t buflen, size_t tab, rv_decode *dec) static void decode_inst_lift_pseudo(rv_decode *dec) { + const rv_opcode_data *opcode_data = dec->opcode_data; const rv_comp_data *comp_data = opcode_data[dec->op].pseudo; if (!comp_data) { return; @@ -4535,6 +4538,7 @@ static void decode_inst_lift_pseudo(rv_decode *dec) static void decode_inst_decompress_rv32(rv_decode *dec) { + const rv_opcode_data *opcode_data = dec->opcode_data; int decomp_op = opcode_data[dec->op].decomp_rv32; if (decomp_op != rv_op_illegal) { if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz) @@ -4549,6 +4553,7 @@ static void decode_inst_decompress_rv32(rv_decode *dec) static void decode_inst_decompress_rv64(rv_decode *dec) { + const rv_opcode_data *opcode_data = dec->opcode_data; int decomp_op = opcode_data[dec->op].decomp_rv64; if (decomp_op != rv_op_illegal) { if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz) @@ -4563,6 +4568,7 @@ static void decode_inst_decompress_rv64(rv_decode *dec) static void decode_inst_decompress_rv128(rv_decode *dec) { + const rv_opcode_data *opcode_data = dec->opcode_data; int decomp_op = opcode_data[dec->op].decomp_rv128; if (decomp_op != rv_op_illegal) { if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz) @@ -4598,6 +4604,7 @@ disasm_inst(char *buf, size_t buflen, rv_isa isa, uint64_t pc, rv_inst inst) rv_decode dec = { 0 }; dec.pc = pc; dec.inst = inst; + dec.opcode_data = rvi_opcode_data; decode_inst_opcode(&dec, isa); decode_inst_operands(&dec, isa); decode_inst_decompress(&dec, isa); diff --git a/disas/riscv.h b/disas/riscv.h index de2623e3cc..188f03feeb 100644 --- a/disas/riscv.h +++ b/disas/riscv.h @@ -162,9 +162,26 @@ typedef enum { /* structures */ +typedef struct { + const int op; + const rvc_constraint *constraints; +} rv_comp_data; + +typedef struct { + const char * const name; + const rv_codec codec; + const char * const format; + const rv_comp_data *pseudo; + const short decomp_rv32; + const short decomp_rv64; + const short decomp_rv128; + const short decomp_data; +} rv_opcode_data; + typedef struct { uint64_t pc; uint64_t inst; + const rv_opcode_data *opcode_data; int32_t imm; uint16_t op; uint8_t codec; @@ -184,11 +201,6 @@ typedef struct { uint8_t rlist; } rv_decode; -typedef struct { - const int op; - const rvc_constraint *constraints; -} rv_comp_data; - enum { rv_op_illegal = 0 }; @@ -197,17 +209,6 @@ enum { rvcd_imm_nz = 0x1 }; -typedef struct { - const char * const name; - const rv_codec codec; - const char * const format; - const rv_comp_data *pseudo; - const short decomp_rv32; - const short decomp_rv64; - const short decomp_rv128; - const short decomp_data; -} rv_opcode_data; - /* instruction formats */ #define rv_fmt_none "O\t"