From patchwork Mon Sep 28 17:28:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 1372810 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=quicinc.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.a=rsa-sha256 header.s=qcdkim header.b=a/V4C3KW; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4C0Vbl2Mp4z9sSJ for ; Tue, 29 Sep 2020 03:57:39 +1000 (AEST) Received: from localhost ([::1]:50340 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kMxP6-0001Tv-8n for incoming@patchwork.ozlabs.org; Mon, 28 Sep 2020 13:57:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49040) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kMwyN-0003mj-8H for qemu-devel@nongnu.org; Mon, 28 Sep 2020 13:29:59 -0400 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:53857) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kMwyK-0007uy-QG for qemu-devel@nongnu.org; Mon, 28 Sep 2020 13:29:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1601314196; x=1632850196; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=1+6dwTgAe6Wdhhvh9bBQ9kPsqHSXQ068rB74ooT4uBQ=; b=a/V4C3KWZfd8nAk1tyQC3++vpP83hF4TkMEdjKpJhXvTf1do3SBEw+yX xjkqFcKJfWawbx5/gVnMwDQMhj9xlGvaWqFG/K2KS17sMPw4sb85pBBPU A5i/r5Sy0dABzWYtGnJPpeIhGdLSo/YrVrQV+B5y4QpV7KIzsurTxGXYS I=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-01.qualcomm.com with ESMTP; 28 Sep 2020 10:29:05 -0700 X-QCInternal: smtphost Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg01-sd.qualcomm.com with ESMTP; 28 Sep 2020 10:29:05 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id CA393FE5; Mon, 28 Sep 2020 12:29:04 -0500 (CDT) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH v4 24/29] Hexagon (target/hexagon) TCG generation Date: Mon, 28 Sep 2020 12:28:53 -0500 Message-Id: <1601314138-9930-25-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1601314138-9930-1-git-send-email-tsimpson@quicinc.com> References: <1601314138-9930-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Received-SPF: pass client-ip=199.106.114.38; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-01.qualcomm.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/28 13:29:03 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.199, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ale@rev.ng, riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, tsimpson@quicinc.com, philmd@redhat.com, aleksandar.m.mail@gmail.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Include the generated files and set up the data structures Signed-off-by: Taylor Simpson --- target/hexagon/genptr.h | 25 ++++++ target/hexagon/genptr.c | 234 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 259 insertions(+) create mode 100644 target/hexagon/genptr.h create mode 100644 target/hexagon/genptr.c diff --git a/target/hexagon/genptr.h b/target/hexagon/genptr.h new file mode 100644 index 0000000..cf27a02 --- /dev/null +++ b/target/hexagon/genptr.h @@ -0,0 +1,25 @@ +/* + * Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that 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 . + */ + +#ifndef HEXAGON_GENPTR_H +#define HEXAGON_GENPTR_H + +#include "insn.h" + +extern const semantic_insn_t opcode_genptr[]; + +#endif diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c new file mode 100644 index 0000000..ba233a4 --- /dev/null +++ b/target/hexagon/genptr.c @@ -0,0 +1,234 @@ +/* + * Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that 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 QEMU_GENERATE +#include "qemu/osdep.h" +#include "qemu/log.h" +#include "cpu.h" +#include "internal.h" +#include "tcg/tcg-op.h" +#include "insn.h" +#include "opcodes.h" +#include "translate.h" +#include "macros.h" +#include "gen_tcg.h" + +static inline TCGv gen_read_reg(TCGv result, int num) +{ + tcg_gen_mov_tl(result, hex_gpr[num]); + return result; +} + +static inline TCGv gen_read_preg(TCGv pred, uint8_t num) +{ + tcg_gen_mov_tl(pred, hex_pred[num]); + return pred; +} + +static inline void gen_log_predicated_reg_write(int rnum, TCGv val, int slot) +{ + TCGv one = tcg_const_tl(1); + TCGv zero = tcg_const_tl(0); + TCGv slot_mask = tcg_temp_new(); + + tcg_gen_andi_tl(slot_mask, hex_slot_cancelled, 1 << slot); + tcg_gen_movcond_tl(TCG_COND_EQ, hex_new_value[rnum], slot_mask, zero, + val, hex_new_value[rnum]); +#if HEX_DEBUG + /* Do this so HELPER(debug_commit_end) will know */ + tcg_gen_movcond_tl(TCG_COND_EQ, hex_reg_written[rnum], slot_mask, zero, + one, hex_reg_written[rnum]); +#endif + + tcg_temp_free(one); + tcg_temp_free(zero); + tcg_temp_free(slot_mask); +} + +static inline void gen_log_reg_write(int rnum, TCGv val) +{ + tcg_gen_mov_tl(hex_new_value[rnum], val); +#if HEX_DEBUG + /* Do this so HELPER(debug_commit_end) will know */ + tcg_gen_movi_tl(hex_reg_written[rnum], 1); +#endif +} + +static void gen_log_predicated_reg_write_pair(int rnum, TCGv_i64 val, int slot) +{ + TCGv val32 = tcg_temp_new(); + TCGv one = tcg_const_tl(1); + TCGv zero = tcg_const_tl(0); + TCGv slot_mask = tcg_temp_new(); + + tcg_gen_andi_tl(slot_mask, hex_slot_cancelled, 1 << slot); + /* Low word */ + tcg_gen_extrl_i64_i32(val32, val); + tcg_gen_movcond_tl(TCG_COND_EQ, hex_new_value[rnum], slot_mask, zero, + val32, hex_new_value[rnum]); +#if HEX_DEBUG + /* Do this so HELPER(debug_commit_end) will know */ + tcg_gen_movcond_tl(TCG_COND_EQ, hex_reg_written[rnum], + slot_mask, zero, + one, hex_reg_written[rnum]); +#endif + + /* High word */ + tcg_gen_extrh_i64_i32(val32, val); + tcg_gen_movcond_tl(TCG_COND_EQ, hex_new_value[rnum + 1], + slot_mask, zero, + val32, hex_new_value[rnum + 1]); +#if HEX_DEBUG + /* Do this so HELPER(debug_commit_end) will know */ + tcg_gen_movcond_tl(TCG_COND_EQ, hex_reg_written[rnum + 1], + slot_mask, zero, + one, hex_reg_written[rnum + 1]); +#endif + + tcg_temp_free(val32); + tcg_temp_free(one); + tcg_temp_free(zero); + tcg_temp_free(slot_mask); +} + +static void gen_log_reg_write_pair(int rnum, TCGv_i64 val) +{ + /* Low word */ + tcg_gen_extrl_i64_i32(hex_new_value[rnum], val); +#if HEX_DEBUG + /* Do this so HELPER(debug_commit_end) will know */ + tcg_gen_movi_tl(hex_reg_written[rnum], 1); +#endif + + /* High word */ + tcg_gen_extrh_i64_i32(hex_new_value[rnum + 1], val); +#if HEX_DEBUG + /* Do this so HELPER(debug_commit_end) will know */ + tcg_gen_movi_tl(hex_reg_written[rnum + 1], 1); +#endif +} + +static inline void gen_log_pred_write(int pnum, TCGv val) +{ + TCGv zero = tcg_const_tl(0); + TCGv base_val = tcg_temp_new(); + TCGv and_val = tcg_temp_new(); + TCGv pred_written = tcg_temp_new(); + + /* Multiple writes to the same preg are and'ed together */ + tcg_gen_andi_tl(base_val, val, 0xff); + tcg_gen_and_tl(and_val, base_val, hex_new_pred_value[pnum]); + tcg_gen_andi_tl(pred_written, hex_pred_written, 1 << pnum); + tcg_gen_movcond_tl(TCG_COND_NE, hex_new_pred_value[pnum], + pred_written, zero, + and_val, base_val); + tcg_gen_ori_tl(hex_pred_written, hex_pred_written, 1 << pnum); + + tcg_temp_free(zero); + tcg_temp_free(base_val); + tcg_temp_free(and_val); + tcg_temp_free(pred_written); +} + +static inline void gen_read_p3_0(TCGv control_reg) +{ + tcg_gen_movi_tl(control_reg, 0); + for (int i = 0; i < NUM_PREGS; i++) { + tcg_gen_deposit_tl(control_reg, control_reg, hex_pred[i], i * 8, 8); + } +} + +static inline void gen_write_p3_0(TCGv control_reg) +{ + for (int i = 0; i < NUM_PREGS; i++) { + tcg_gen_extract_tl(hex_pred[i], control_reg, i * 8, 8); + } +} + +static inline void gen_load_locked4u(TCGv dest, TCGv vaddr, int mem_index) +{ + tcg_gen_qemu_ld32u(dest, vaddr, mem_index); + tcg_gen_mov_tl(hex_llsc_addr, vaddr); + tcg_gen_mov_tl(hex_llsc_val, dest); +} + +static inline void gen_load_locked8u(TCGv_i64 dest, TCGv vaddr, int mem_index) +{ + tcg_gen_qemu_ld64(dest, vaddr, mem_index); + tcg_gen_mov_tl(hex_llsc_addr, vaddr); + tcg_gen_mov_i64(hex_llsc_val_i64, dest); +} + +static inline void gen_store_conditional4(CPUHexagonState *env, + DisasContext *ctx, int prednum, + TCGv pred, TCGv vaddr, TCGv src) +{ + TCGLabel *fail = gen_new_label(); + TCGLabel *done = gen_new_label(); + + tcg_gen_brcond_tl(TCG_COND_NE, vaddr, hex_llsc_addr, fail); + + TCGv one = tcg_const_tl(0xff); + TCGv zero = tcg_const_tl(0); + TCGv tmp = tcg_temp_new(); + tcg_gen_atomic_cmpxchg_tl(tmp, hex_llsc_addr, hex_llsc_val, src, + ctx->mem_idx, MO_32); + tcg_gen_movcond_tl(TCG_COND_EQ, hex_pred[prednum], tmp, hex_llsc_val, + one, zero); + tcg_temp_free(one); + tcg_temp_free(zero); + tcg_temp_free(tmp); + tcg_gen_br(done); + + gen_set_label(fail); + tcg_gen_movi_tl(pred, 0); + + gen_set_label(done); + tcg_gen_movi_tl(hex_llsc_addr, ~0); +} + +static inline void gen_store_conditional8(CPUHexagonState *env, + DisasContext *ctx, int prednum, + TCGv pred, TCGv vaddr, TCGv_i64 src) +{ + TCGLabel *fail = gen_new_label(); + TCGLabel *done = gen_new_label(); + + tcg_gen_brcond_tl(TCG_COND_NE, vaddr, hex_llsc_addr, fail); + + TCGv_i64 one = tcg_const_i64(0xff); + TCGv_i64 zero = tcg_const_i64(0); + TCGv_i64 tmp = tcg_temp_new_i64(); + tcg_gen_atomic_cmpxchg_i64(tmp, hex_llsc_addr, hex_llsc_val_i64, src, + ctx->mem_idx, MO_64); + tcg_gen_movcond_i64(TCG_COND_EQ, tmp, tmp, hex_llsc_val_i64, + one, zero); + tcg_gen_extrl_i64_i32(hex_pred[prednum], tmp); + tcg_temp_free_i64(one); + tcg_temp_free_i64(zero); + tcg_temp_free_i64(tmp); + tcg_gen_br(done); + + gen_set_label(fail); + tcg_gen_movi_tl(pred, 0); + + gen_set_label(done); + tcg_gen_movi_tl(hex_llsc_addr, ~0); +} + +#include "tcg_funcs_generated.h" +#include "tcg_func_table_generated.h"