From patchwork Fri Jan 31 00:02:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 11358935 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4EA29924 for ; Fri, 31 Jan 2020 00:10:05 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 2E4F32067C for ; Fri, 31 Jan 2020 00:10:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2E4F32067C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rt-rk.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:41314 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ixJsq-0002Yf-Bh for patchwork-qemu-devel@patchwork.kernel.org; Thu, 30 Jan 2020 19:10:04 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58660) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ixJng-0007XW-Bw for qemu-devel@nongnu.org; Thu, 30 Jan 2020 19:04:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ixJnd-0002x2-0f for qemu-devel@nongnu.org; Thu, 30 Jan 2020 19:04:44 -0500 Received: from mx2.rt-rk.com ([89.216.37.149]:46251 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ixJnc-0001wU-Kh for qemu-devel@nongnu.org; Thu, 30 Jan 2020 19:04:40 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 1ACF31A1E89; Fri, 31 Jan 2020 01:03:37 +0100 (CET) X-Virus-Scanned: amavisd-new at rt-rk.com Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.14.106]) by mail.rt-rk.com (Postfix) with ESMTPSA id EF52C1A1E0C; Fri, 31 Jan 2020 01:03:36 +0100 (CET) From: Aleksandar Markovic To: qemu-devel@nongnu.org Subject: [PATCH rc4 03/29] target/avr: Add migration support Date: Fri, 31 Jan 2020 01:02:47 +0100 Message-Id: <1580428993-4767-4-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580428993-4767-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1580428993-4767-1-git-send-email-aleksandar.markovic@rt-rk.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 89.216.37.149 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: Richard Henderson , Sarah Harris , Michael Rolnik , Aleksandar Markovic Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Michael Rolnik Add migration functions for AVR cores. [AM: Split a larger AVR introduction patch into logical units] Suggested-by: Aleksandar Markovic Co-developed-by: Michael Rolnik Co-developed-by: Sarah Harris Signed-off-by: Michael Rolnik Signed-off-by: Sarah Harris Signed-off-by: Michael Rolnik Acked-by: Igor Mammedov Tested-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson Signed-off-by: Aleksandar Markovic --- target/avr/cpu.c | 1 + target/avr/cpu.h | 2 + target/avr/machine.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 124 insertions(+) create mode 100644 target/avr/machine.c diff --git a/target/avr/cpu.c b/target/avr/cpu.c index beda91e..49e32af 100644 --- a/target/avr/cpu.c +++ b/target/avr/cpu.c @@ -205,6 +205,7 @@ static void avr_cpu_class_init(ObjectClass *oc, void *data) cc->set_pc = avr_cpu_set_pc; cc->memory_rw_debug = avr_cpu_memory_rw_debug; cc->get_phys_page_debug = avr_cpu_get_phys_page_debug; + cc->vmsd = &vms_avr_cpu; cc->disas_set_info = avr_cpu_disas_set_info; cc->tlb_fill = avr_cpu_tlb_fill; cc->tcg_initialize = avr_cpu_tcg_init; diff --git a/target/avr/cpu.h b/target/avr/cpu.h index 08f4415..2907a37 100644 --- a/target/avr/cpu.h +++ b/target/avr/cpu.h @@ -119,6 +119,8 @@ typedef struct AVRCPU { CPUAVRState env; } AVRCPU; +extern const struct VMStateDescription vms_avr_cpu; + void avr_cpu_do_interrupt(CPUState *cpu); bool avr_cpu_exec_interrupt(CPUState *cpu, int int_req); hwaddr avr_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); diff --git a/target/avr/machine.c b/target/avr/machine.c new file mode 100644 index 0000000..ba44bd0 --- /dev/null +++ b/target/avr/machine.c @@ -0,0 +1,121 @@ +/* + * QEMU AVR CPU + * + * Copyright (c) 2019 Michael Rolnik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see + * + */ + +#include "qemu/osdep.h" +#include "cpu.h" +#include "migration/cpu.h" + +static int get_sreg(QEMUFile *f, void *opaque, size_t size, + const VMStateField *field) +{ + CPUAVRState *env = opaque; + uint8_t sreg; + + sreg = qemu_get_byte(f); + cpu_set_sreg(env, sreg); + return 0; +} + +static int put_sreg( + QEMUFile *f, void *opaque, size_t size, + const VMStateField *field, QJSON *vmdesc) +{ + CPUAVRState *env = opaque; + uint8_t sreg = cpu_get_sreg(env); + + qemu_put_byte(f, sreg); + return 0; +} + +static const VMStateInfo vms_sreg = { + .name = "sreg", + .get = get_sreg, + .put = put_sreg, +}; + +static int get_segment( + QEMUFile *f, void *opaque, size_t size, const VMStateField *field) +{ + uint32_t *ramp = opaque; + uint8_t temp; + + temp = qemu_get_byte(f); + *ramp = ((uint32_t)temp) << 16; + return 0; +} + +static int put_segment( + QEMUFile *f, void *opaque, size_t size, + const VMStateField *field, QJSON *vmdesc) +{ + uint32_t *ramp = opaque; + uint8_t temp = *ramp >> 16; + + qemu_put_byte(f, temp); + return 0; +} + +static const VMStateInfo vms_rampD = { + .name = "rampD", + .get = get_segment, + .put = put_segment, +}; +static const VMStateInfo vms_rampX = { + .name = "rampX", + .get = get_segment, + .put = put_segment, +}; +static const VMStateInfo vms_rampY = { + .name = "rampY", + .get = get_segment, + .put = put_segment, +}; +static const VMStateInfo vms_rampZ = { + .name = "rampZ", + .get = get_segment, + .put = put_segment, +}; +static const VMStateInfo vms_eind = { + .name = "eind", + .get = get_segment, + .put = put_segment, +}; + +const VMStateDescription vms_avr_cpu = { + .name = "cpu", + .version_id = 0, + .minimum_version_id = 0, + .fields = (VMStateField[]) { + VMSTATE_UINT32(env.pc_w, AVRCPU), + VMSTATE_UINT32(env.sp, AVRCPU), + VMSTATE_UINT32(env.skip, AVRCPU), + + VMSTATE_UINT32_ARRAY(env.r, AVRCPU, NUMBER_OF_CPU_REGISTERS), + + VMSTATE_SINGLE(env, AVRCPU, 0, vms_sreg, CPUAVRState), + VMSTATE_SINGLE(env.rampD, AVRCPU, 0, vms_rampD, uint32_t), + VMSTATE_SINGLE(env.rampX, AVRCPU, 0, vms_rampX, uint32_t), + VMSTATE_SINGLE(env.rampY, AVRCPU, 0, vms_rampY, uint32_t), + VMSTATE_SINGLE(env.rampZ, AVRCPU, 0, vms_rampZ, uint32_t), + VMSTATE_SINGLE(env.eind, AVRCPU, 0, vms_eind, uint32_t), + + VMSTATE_END_OF_LIST() + } +};