From patchwork Thu Sep 14 02:25:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: gaosong X-Patchwork-Id: 1833873 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.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=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RmLvf1lbyz1yhn for ; Thu, 14 Sep 2023 12:32:46 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qgc4e-0003Az-OJ; Wed, 13 Sep 2023 22:27:20 -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 1qgc4Z-000398-7t for qemu-devel@nongnu.org; Wed, 13 Sep 2023 22:27:15 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qgc4T-0004ql-92 for qemu-devel@nongnu.org; Wed, 13 Sep 2023 22:27:15 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxPOtxbwJlY_gmAA--.4368S3; Thu, 14 Sep 2023 10:26:57 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxvdxmbwJlJ+UDAA--.7298S13; Thu, 14 Sep 2023 10:26:56 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, maobibo@loongson.cn Subject: [PATCH v6 11/57] target/loongarch: Add LASX data support Date: Thu, 14 Sep 2023 10:25:59 +0800 Message-Id: <20230914022645.1151356-12-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230914022645.1151356-1-gaosong@loongson.cn> References: <20230914022645.1151356-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8CxvdxmbwJlJ+UDAA--.7298S13 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.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_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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Song Gao Reviewed-by: Richard Henderson --- target/loongarch/cpu.h | 24 ++++++++++++---------- target/loongarch/internals.h | 22 -------------------- target/loongarch/vec.h | 33 ++++++++++++++++++++++++++++++ linux-user/loongarch64/signal.c | 1 + target/loongarch/cpu.c | 1 + target/loongarch/gdbstub.c | 1 + target/loongarch/machine.c | 36 ++++++++++++++++++++++++++++++++- target/loongarch/translate.c | 1 + target/loongarch/vec_helper.c | 1 + 9 files changed, 86 insertions(+), 34 deletions(-) create mode 100644 target/loongarch/vec.h diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 4d7201995a..347ad1c8a9 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -251,18 +251,20 @@ FIELD(TLB_MISC, ASID, 1, 10) FIELD(TLB_MISC, VPPN, 13, 35) FIELD(TLB_MISC, PS, 48, 6) -#define LSX_LEN (128) +#define LSX_LEN (128) +#define LASX_LEN (256) + typedef union VReg { - int8_t B[LSX_LEN / 8]; - int16_t H[LSX_LEN / 16]; - int32_t W[LSX_LEN / 32]; - int64_t D[LSX_LEN / 64]; - uint8_t UB[LSX_LEN / 8]; - uint16_t UH[LSX_LEN / 16]; - uint32_t UW[LSX_LEN / 32]; - uint64_t UD[LSX_LEN / 64]; - Int128 Q[LSX_LEN / 128]; -}VReg; + int8_t B[LASX_LEN / 8]; + int16_t H[LASX_LEN / 16]; + int32_t W[LASX_LEN / 32]; + int64_t D[LASX_LEN / 64]; + uint8_t UB[LASX_LEN / 8]; + uint16_t UH[LASX_LEN / 16]; + uint32_t UW[LASX_LEN / 32]; + uint64_t UD[LASX_LEN / 64]; + Int128 Q[LASX_LEN / 128]; +} VReg; typedef union fpr_t fpr_t; union fpr_t { diff --git a/target/loongarch/internals.h b/target/loongarch/internals.h index 7b0f29c942..c492863cc5 100644 --- a/target/loongarch/internals.h +++ b/target/loongarch/internals.h @@ -21,28 +21,6 @@ /* Global bit for huge page */ #define LOONGARCH_HGLOBAL_SHIFT 12 -#if HOST_BIG_ENDIAN -#define B(x) B[15 - (x)] -#define H(x) H[7 - (x)] -#define W(x) W[3 - (x)] -#define D(x) D[1 - (x)] -#define UB(x) UB[15 - (x)] -#define UH(x) UH[7 - (x)] -#define UW(x) UW[3 - (x)] -#define UD(x) UD[1 -(x)] -#define Q(x) Q[x] -#else -#define B(x) B[x] -#define H(x) H[x] -#define W(x) W[x] -#define D(x) D[x] -#define UB(x) UB[x] -#define UH(x) UH[x] -#define UW(x) UW[x] -#define UD(x) UD[x] -#define Q(x) Q[x] -#endif - void loongarch_translate_init(void); void loongarch_cpu_dump_state(CPUState *cpu, FILE *f, int flags); diff --git a/target/loongarch/vec.h b/target/loongarch/vec.h new file mode 100644 index 0000000000..2f23cae7d7 --- /dev/null +++ b/target/loongarch/vec.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * QEMU LoongArch vector utilitites + * + * Copyright (c) 2023 Loongson Technology Corporation Limited + */ + +#ifndef LOONGARCH_VEC_H +#define LOONGARCH_VEC_H + +#if HOST_BIG_ENDIAN +#define B(x) B[(x) ^ 15] +#define H(x) H[(x) ^ 7] +#define W(x) W[(x) ^ 3] +#define D(x) D[(x) ^ 1] +#define UB(x) UB[(x) ^ 15] +#define UH(x) UH[(x) ^ 7] +#define UW(x) UW[(x) ^ 3] +#define UD(x) UD[(x) ^ 1] +#define Q(x) Q[x] +#else +#define B(x) B[x] +#define H(x) H[x] +#define W(x) W[x] +#define D(x) D[x] +#define UB(x) UB[x] +#define UH(x) UH[x] +#define UW(x) UW[x] +#define UD(x) UD[x] +#define Q(x) Q[x] +#endif /* HOST_BIG_ENDIAN */ + +#endif /* LOONGARCH_VEC_H */ diff --git a/linux-user/loongarch64/signal.c b/linux-user/loongarch64/signal.c index bb8efb1172..39572c1190 100644 --- a/linux-user/loongarch64/signal.c +++ b/linux-user/loongarch64/signal.c @@ -12,6 +12,7 @@ #include "linux-user/trace.h" #include "target/loongarch/internals.h" +#include "target/loongarch/vec.h" /* FP context was used */ #define SC_USED_FP (1 << 0) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 65f9320e34..4d72e905aa 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -19,6 +19,7 @@ #include "cpu-csr.h" #include "sysemu/reset.h" #include "tcg/tcg.h" +#include "vec.h" const char * const regnames[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", diff --git a/target/loongarch/gdbstub.c b/target/loongarch/gdbstub.c index b09804b62f..5fc2f19e96 100644 --- a/target/loongarch/gdbstub.c +++ b/target/loongarch/gdbstub.c @@ -11,6 +11,7 @@ #include "internals.h" #include "exec/gdbstub.h" #include "gdbstub/helpers.h" +#include "vec.h" uint64_t read_fcc(CPULoongArchState *env) { diff --git a/target/loongarch/machine.c b/target/loongarch/machine.c index d8ac99c9a4..1c4e01d076 100644 --- a/target/loongarch/machine.c +++ b/target/loongarch/machine.c @@ -8,7 +8,7 @@ #include "qemu/osdep.h" #include "cpu.h" #include "migration/cpu.h" -#include "internals.h" +#include "vec.h" static const VMStateDescription vmstate_fpu_reg = { .name = "fpu_reg", @@ -76,6 +76,39 @@ static const VMStateDescription vmstate_lsx = { }, }; +static const VMStateDescription vmstate_lasxh_reg = { + .name = "lasxh_reg", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT64(UD(2), VReg), + VMSTATE_UINT64(UD(3), VReg), + VMSTATE_END_OF_LIST() + } +}; + +#define VMSTATE_LASXH_REGS(_field, _state, _start) \ + VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, 32, 0, \ + vmstate_lasxh_reg, fpr_t) + +static bool lasx_needed(void *opaque) +{ + LoongArchCPU *cpu = opaque; + + return FIELD_EX64(cpu->env.cpucfg[2], CPUCFG2, LASX); +} + +static const VMStateDescription vmstate_lasx = { + .name = "cpu/lasx", + .version_id = 1, + .minimum_version_id = 1, + .needed = lasx_needed, + .fields = (VMStateField[]) { + VMSTATE_LASXH_REGS(env.fpr, LoongArchCPU, 0), + VMSTATE_END_OF_LIST() + }, +}; + /* TLB state */ const VMStateDescription vmstate_tlb = { .name = "cpu/tlb", @@ -163,6 +196,7 @@ const VMStateDescription vmstate_loongarch_cpu = { .subsections = (const VMStateDescription*[]) { &vmstate_fpu, &vmstate_lsx, + &vmstate_lasx, NULL } }; diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c index 288727181b..7f3958a1f4 100644 --- a/target/loongarch/translate.c +++ b/target/loongarch/translate.c @@ -18,6 +18,7 @@ #include "fpu/softfloat.h" #include "translate.h" #include "internals.h" +#include "vec.h" /* Global register indices */ TCGv cpu_gpr[32], cpu_pc; diff --git a/target/loongarch/vec_helper.c b/target/loongarch/vec_helper.c index 4e10957b90..c784f98ab2 100644 --- a/target/loongarch/vec_helper.c +++ b/target/loongarch/vec_helper.c @@ -12,6 +12,7 @@ #include "fpu/softfloat.h" #include "internals.h" #include "tcg/tcg.h" +#include "vec.h" #define DO_ADD(a, b) (a + b) #define DO_SUB(a, b) (a - b)