From nobody Thu Apr 25 23:28:36 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1566028272; cv=none; d=zoho.com; s=zohoarc; b=hus8fD57FjPKTKr/ZSiydxfIje9bfQXXFO/nMhEXcRRm3V5gh+tfB62g7Wavdx8tkJLugmOBlGSb2YoWJq9Wm6WAx4OGCERxq3ya48a1qsLh3WqhzuomJeDqXzgvFuqfvUUY3w6SBoAtexgo2pwtCHQ+0BzyEGoR63bHinJBFEs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1566028272; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=ZXLqNEBezraNg7ItQpzGuGqfGOq5/ikh4Q/aQKP1yMQ=; b=IU2815bae4Vq7RYRgEjLvt+y65PxHbnpfuv2/YvD9bOZhFLrdoDrtM7oBYLJ0Q6OCcXV7G574XUuB2CEtpc1jArEmkf9P9Oa4f26gOC2kCQpsUAmuCMpR7SDZa+JquRi9bwNJz8WXHl2F+EkO7RXGXaxGIAoHYJcUQuDdw263b0= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1566028272469151.17302880608986; Sat, 17 Aug 2019 00:51:12 -0700 (PDT) Received: from localhost ([::1]:34766 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hytUV-0000Ay-7u for importer@patchew.org; Sat, 17 Aug 2019 03:51:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41084) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hytGW-0006rG-NJ for qemu-devel@nongnu.org; Sat, 17 Aug 2019 03:36:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hytGR-0006Xg-Pg for qemu-devel@nongnu.org; Sat, 17 Aug 2019 03:36:44 -0400 Received: from mail03.asahi-net.or.jp ([202.224.55.15]:47802) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hytGR-0006Vh-Aj for qemu-devel@nongnu.org; Sat, 17 Aug 2019 03:36:39 -0400 Received: from h61-195-96-97.vps.ablenet.jp (h61-195-96-97.ablenetvps.ne.jp [61.195.96.97]) (Authenticated sender: PQ4Y-STU) by mail03.asahi-net.or.jp (Postfix) with ESMTPA id 961E756DEC; Sat, 17 Aug 2019 16:36:36 +0900 (JST) Received: from yo-satoh-debian.localdomain (ZM005235.ppp.dion.ne.jp [222.8.5.235]) by h61-195-96-97.vps.ablenet.jp (Postfix) with ESMTPSA id 49D2B240086; Sat, 17 Aug 2019 16:36:36 +0900 (JST) From: Yoshinori Sato To: qemu-devel@nongnu.org Date: Sat, 17 Aug 2019 16:36:12 +0900 Message-Id: <20190817073628.94473-7-ysato@users.sourceforge.jp> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190817073628.94473-1-ysato@users.sourceforge.jp> References: <20190817073628.94473-1-ysato@users.sourceforge.jp> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 202.224.55.15 Subject: [Qemu-devel] [PATCH v23 06/22] target/rx: CPU definition 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: peter.maydell@linaro.org, imammedo@redhat.com, richard.henderson@linaro.org, Yoshinori Sato , philmd@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" v21 changes Add cpu-param.h Remove CPU_COMMON rx_load_image move to rx-virt. Signed-off-by: Yoshinori Sato Message-Id: <20190616142836.10614-4-ysato@users.sourceforge.jp> Reviewed-by: Richard Henderson Message-Id: <20190607091116.49044-4-ysato@users.sourceforge.jp> Signed-off-by: Richard Henderson [PMD: Use newer QOM style, split cpu-qom.h, restrict access to extable array, use rx_cpu_tlb_fill() extracted from patch of Yoshinori Sato 'Convert to CPUClass::tlb_fill'] Signed-off-by: Philippe Mathieu-Daud=C3=A9 cpu.c: remove rx_load_image Signed-off-by: Yoshinori Sato --- target/rx/cpu-param.h | 31 ++++++++ target/rx/cpu-qom.h | 42 ++++++++++ target/rx/cpu.h | 182 ++++++++++++++++++++++++++++++++++++++++++ target/rx/cpu.c | 217 ++++++++++++++++++++++++++++++++++++++++++++++= ++++ target/rx/gdbstub.c | 112 ++++++++++++++++++++++++++ target/rx/monitor.c | 38 +++++++++ 6 files changed, 622 insertions(+) create mode 100644 target/rx/cpu-param.h create mode 100644 target/rx/cpu-qom.h create mode 100644 target/rx/cpu.h create mode 100644 target/rx/cpu.c create mode 100644 target/rx/gdbstub.c create mode 100644 target/rx/monitor.c diff --git a/target/rx/cpu-param.h b/target/rx/cpu-param.h new file mode 100644 index 0000000000..5da87fbebe --- /dev/null +++ b/target/rx/cpu-param.h @@ -0,0 +1,31 @@ +/* + * RX cpu parameters + * + * Copyright (c) 2019 Yoshinori Sato + * + * 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 f= or + * more details. + * + * You should have received a copy of the GNU General Public License along= with + * this program. If not, see . + */ + +#ifndef RX_CPU_PARAM_H +#define RX_CPU_PARAM_H + +#define TARGET_LONG_BITS 32 +#define TARGET_PAGE_BITS 12 + +#define TARGET_PHYS_ADDR_SPACE_BITS 32 +#define TARGET_VIRT_ADDR_SPACE_BITS 32 + +#define NB_MMU_MODES 1 +#define MMU_MODE0_SUFFIX _all + +#endif diff --git a/target/rx/cpu-qom.h b/target/rx/cpu-qom.h new file mode 100644 index 0000000000..4ae3b38b3e --- /dev/null +++ b/target/rx/cpu-qom.h @@ -0,0 +1,42 @@ +#ifndef QEMU_SUPERH_CPU_QOM_H +#define QEMU_SUPERH_CPU_QOM_H + +#include "qom/cpu.h" +/* + * RX CPU + * + * Copyright (c) 2019 Yoshinori Sato + * SPDX-License-Identifier: LGPL-2.0+ + */ + +#define TYPE_RX_CPU "rx-cpu" + +#define TYPE_RX62N_CPU RX_CPU_TYPE_NAME("rx62n") + +#define RXCPU_CLASS(klass) \ + OBJECT_CLASS_CHECK(RXCPUClass, (klass), TYPE_RX_CPU) +#define RXCPU(obj) \ + OBJECT_CHECK(RXCPU, (obj), TYPE_RX_CPU) +#define RXCPU_GET_CLASS(obj) \ + OBJECT_GET_CLASS(RXCPUClass, (obj), TYPE_RX_CPU) + +/* + * RXCPUClass: + * @parent_realize: The parent class' realize handler. + * @parent_reset: The parent class' reset handler. + * + * A RX CPU model. + */ +typedef struct RXCPUClass { + /*< private >*/ + CPUClass parent_class; + /*< public >*/ + + DeviceRealize parent_realize; + void (*parent_reset)(CPUState *cpu); + +} RXCPUClass; + +#define CPUArchState struct CPURXState + +#endif diff --git a/target/rx/cpu.h b/target/rx/cpu.h new file mode 100644 index 0000000000..3f9c4fdd25 --- /dev/null +++ b/target/rx/cpu.h @@ -0,0 +1,182 @@ +/* + * RX emulation definition + * + * Copyright (c) 2019 Yoshinori Sato + * + * 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 f= or + * more details. + * + * You should have received a copy of the GNU General Public License along= with + * this program. If not, see . + */ + +#ifndef RX_CPU_H +#define RX_CPU_H + +#include "qemu/bitops.h" +#include "qemu-common.h" +#include "hw/registerfields.h" +#include "cpu-qom.h" +#include "qom/cpu.h" + +#include "exec/cpu-defs.h" + +/* PSW define */ +REG32(PSW, 0) +FIELD(PSW, C, 0, 1) +FIELD(PSW, Z, 1, 1) +FIELD(PSW, S, 2, 1) +FIELD(PSW, O, 3, 1) +FIELD(PSW, I, 16, 1) +FIELD(PSW, U, 17, 1) +FIELD(PSW, PM, 20, 1) +FIELD(PSW, IPL, 24, 4) + +/* FPSW define */ +REG32(FPSW, 0) +FIELD(FPSW, RM, 0, 2) +FIELD(FPSW, CV, 2, 1) +FIELD(FPSW, CO, 3, 1) +FIELD(FPSW, CZ, 4, 1) +FIELD(FPSW, CU, 5, 1) +FIELD(FPSW, CX, 6, 1) +FIELD(FPSW, CE, 7, 1) +FIELD(FPSW, CAUSE, 2, 6) +FIELD(FPSW, DN, 8, 1) +FIELD(FPSW, EV, 10, 1) +FIELD(FPSW, EO, 11, 1) +FIELD(FPSW, EZ, 12, 1) +FIELD(FPSW, EU, 13, 1) +FIELD(FPSW, EX, 14, 1) +FIELD(FPSW, ENABLE, 10, 5) +FIELD(FPSW, FV, 26, 1) +FIELD(FPSW, FO, 27, 1) +FIELD(FPSW, FZ, 28, 1) +FIELD(FPSW, FU, 29, 1) +FIELD(FPSW, FX, 30, 1) +FIELD(FPSW, FLAGS, 26, 4) +FIELD(FPSW, FS, 31, 1) + +enum { + NUM_REGS =3D 16, +}; + +typedef struct CPURXState { + /* CPU registers */ + uint32_t regs[NUM_REGS]; /* general registers */ + uint32_t psw_o; /* O bit of status register */ + uint32_t psw_s; /* S bit of status register */ + uint32_t psw_z; /* Z bit of status register */ + uint32_t psw_c; /* C bit of status register */ + uint32_t psw_u; + uint32_t psw_i; + uint32_t psw_pm; + uint32_t psw_ipl; + uint32_t bpsw; /* backup status */ + uint32_t bpc; /* backup pc */ + uint32_t isp; /* global base register */ + uint32_t usp; /* vector base register */ + uint32_t pc; /* program counter */ + uint32_t intb; /* interrupt vector */ + uint32_t fintv; + uint32_t fpsw; + uint64_t acc; + + /* Fields up to this point are cleared by a CPU reset */ + struct {} end_reset_fields; + + /* Internal use */ + uint32_t in_sleep; + uint32_t req_irq; /* Requested interrupt no (hard) */ + uint32_t req_ipl; /* Requested interrupt level */ + uint32_t ack_irq; /* execute irq */ + uint32_t ack_ipl; /* execute ipl */ + float_status fp_status; + qemu_irq ack; /* Interrupt acknowledge */ +} CPURXState; + +/* + * RXCPU: + * @env: #CPURXState + * + * A RX CPU + */ +struct RXCPU { + /*< private >*/ + CPUState parent_obj; + /*< public >*/ + + CPUNegativeOffsetState neg; + CPURXState env; +}; + +typedef struct RXCPU RXCPU; +typedef RXCPU ArchCPU; + +#define ENV_OFFSET offsetof(RXCPU, env) + +#define RX_CPU_TYPE_SUFFIX "-" TYPE_RX_CPU +#define RX_CPU_TYPE_NAME(model) model RX_CPU_TYPE_SUFFIX +#define CPU_RESOLVING_TYPE TYPE_RX_CPU + +extern const char rx_crname[][6]; + +void rx_cpu_do_interrupt(CPUState *cpu); +bool rx_cpu_exec_interrupt(CPUState *cpu, int int_req); +void rx_cpu_dump_state(CPUState *cpu, FILE *f, int flags); +int rx_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); +int rx_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); +hwaddr rx_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); + +void rx_translate_init(void); +int cpu_rx_signal_handler(int host_signum, void *pinfo, + void *puc); + +void rx_cpu_list(void); +void rx_cpu_unpack_psw(CPURXState *env, uint32_t psw, int rte); + +#define cpu_signal_handler cpu_rx_signal_handler +#define cpu_list rx_cpu_list + +#include "exec/cpu-all.h" + +#define CPU_INTERRUPT_SOFT CPU_INTERRUPT_TGT_INT_0 +#define CPU_INTERRUPT_FIR CPU_INTERRUPT_TGT_INT_1 + +#define RX_CPU_IRQ 0 +#define RX_CPU_FIR 1 + +static inline void cpu_get_tb_cpu_state(CPURXState *env, target_ulong *pc, + target_ulong *cs_base, uint32_t *f= lags) +{ + *pc =3D env->pc; + *cs_base =3D 0; + *flags =3D FIELD_DP32(0, PSW, PM, env->psw_pm); +} + +static inline int cpu_mmu_index(CPURXState *env, bool ifetch) +{ + return 0; +} + +static inline uint32_t rx_cpu_pack_psw(CPURXState *env) +{ + uint32_t psw =3D 0; + psw =3D FIELD_DP32(psw, PSW, IPL, env->psw_ipl); + psw =3D FIELD_DP32(psw, PSW, PM, env->psw_pm); + psw =3D FIELD_DP32(psw, PSW, U, env->psw_u); + psw =3D FIELD_DP32(psw, PSW, I, env->psw_i); + psw =3D FIELD_DP32(psw, PSW, O, env->psw_o >> 31); + psw =3D FIELD_DP32(psw, PSW, S, env->psw_s >> 31); + psw =3D FIELD_DP32(psw, PSW, Z, env->psw_z =3D=3D 0); + psw =3D FIELD_DP32(psw, PSW, C, env->psw_c); + return psw; +} + +#endif /* RX_CPU_H */ diff --git a/target/rx/cpu.c b/target/rx/cpu.c new file mode 100644 index 0000000000..ea38639f47 --- /dev/null +++ b/target/rx/cpu.c @@ -0,0 +1,217 @@ +/* + * QEMU RX CPU + * + * Copyright (c) 2019 Yoshinori Sato + * + * 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 f= or + * more details. + * + * You should have received a copy of the GNU General Public License along= with + * this program. If not, see . + */ + +#include "qemu/osdep.h" +#include "qemu/qemu-print.h" +#include "qapi/error.h" +#include "cpu.h" +#include "qemu-common.h" +#include "migration/vmstate.h" +#include "exec/exec-all.h" +#include "hw/loader.h" +#include "fpu/softfloat.h" + +static void rx_cpu_set_pc(CPUState *cs, vaddr value) +{ + RXCPU *cpu =3D RXCPU(cs); + + cpu->env.pc =3D value; +} + +static void rx_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb) +{ + RXCPU *cpu =3D RXCPU(cs); + + cpu->env.pc =3D tb->pc; +} + +static bool rx_cpu_has_work(CPUState *cs) +{ + return cs->interrupt_request & + (CPU_INTERRUPT_HARD | CPU_INTERRUPT_FIR); +} + +static void rx_cpu_reset(CPUState *s) +{ + RXCPU *cpu =3D RXCPU(s); + RXCPUClass *rcc =3D RXCPU_GET_CLASS(cpu); + CPURXState *env =3D &cpu->env; + uint32_t *resetvec; + + rcc->parent_reset(s); + + memset(env, 0, offsetof(CPURXState, end_reset_fields)); + + resetvec =3D rom_ptr(0xfffffffc, 4); + if (resetvec) { + /* In the case of kernel, it is ignored because it is not set. */ + env->pc =3D ldl_p(resetvec); + } + rx_cpu_unpack_psw(env, 0, 1); + env->regs[0] =3D env->isp =3D env->usp =3D 0; + env->fpsw =3D 0; + set_flush_to_zero(1, &env->fp_status); + set_flush_inputs_to_zero(1, &env->fp_status); +} + +static void rx_cpu_list_entry(gpointer data, gpointer user_data) +{ + const char *typename =3D object_class_get_name(OBJECT_CLASS(data)); + + qemu_printf("%s\n", typename); +} + +void rx_cpu_list(void) +{ + GSList *list; + list =3D object_class_get_list_sorted(TYPE_RX_CPU, false); + g_slist_foreach(list, rx_cpu_list_entry, NULL); + g_slist_free(list); +} + +static ObjectClass *rx_cpu_class_by_name(const char *cpu_model) +{ + ObjectClass *oc; + + oc =3D object_class_by_name(cpu_model); + if (object_class_dynamic_cast(oc, TYPE_RX_CPU) =3D=3D NULL || + object_class_is_abstract(oc)) { + oc =3D NULL; + } + + return oc; +} + +static void rx_cpu_realize(DeviceState *dev, Error **errp) +{ + CPUState *cs =3D CPU(dev); + RXCPUClass *rcc =3D RXCPU_GET_CLASS(dev); + Error *local_err =3D NULL; + + cpu_exec_realizefn(cs, &local_err); + if (local_err !=3D NULL) { + error_propagate(errp, local_err); + return; + } + + cpu_reset(cs); + qemu_init_vcpu(cs); + + rcc->parent_realize(dev, errp); +} + +static void rx_cpu_set_irq(void *opaque, int no, int request) +{ + RXCPU *cpu =3D opaque; + CPUState *cs =3D CPU(cpu); + int irq =3D request & 0xff; + + static const int mask[] =3D { + [RX_CPU_IRQ] =3D CPU_INTERRUPT_HARD, + [RX_CPU_FIR] =3D CPU_INTERRUPT_FIR, + }; + if (irq) { + cpu->env.req_irq =3D irq; + cpu->env.req_ipl =3D (request >> 8) & 0x0f; + cpu_interrupt(cs, mask[no]); + } else { + cpu_reset_interrupt(cs, mask[no]); + } +} + +static void rx_cpu_disas_set_info(CPUState *cpu, disassemble_info *info) +{ + info->mach =3D bfd_mach_rx; + info->print_insn =3D print_insn_rx; +} + +static bool rx_cpu_tlb_fill(CPUState *cs, vaddr addr, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr) +{ + uint32_t address, physical, prot; + + /* Linear mapping */ + address =3D physical =3D addr & TARGET_PAGE_MASK; + prot =3D PAGE_READ | PAGE_WRITE | PAGE_EXEC; + tlb_set_page(cs, address, physical, prot, mmu_idx, TARGET_PAGE_SIZE); + return true; +} + +static void rx_cpu_init(Object *obj) +{ + CPUState *cs =3D CPU(obj); + RXCPU *cpu =3D RXCPU(obj); + CPURXState *env =3D &cpu->env; + + cpu_set_cpustate_pointers(cpu); + cs->env_ptr =3D env; + qdev_init_gpio_in(DEVICE(cpu), rx_cpu_set_irq, 2); +} + +static void rx_cpu_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + CPUClass *cc =3D CPU_CLASS(klass); + RXCPUClass *rcc =3D RXCPU_CLASS(klass); + + device_class_set_parent_realize(dc, rx_cpu_realize, + &rcc->parent_realize); + + rcc->parent_reset =3D cc->reset; + cc->reset =3D rx_cpu_reset; + + cc->class_by_name =3D rx_cpu_class_by_name; + cc->has_work =3D rx_cpu_has_work; + cc->do_interrupt =3D rx_cpu_do_interrupt; + cc->cpu_exec_interrupt =3D rx_cpu_exec_interrupt; + cc->dump_state =3D rx_cpu_dump_state; + cc->set_pc =3D rx_cpu_set_pc; + cc->synchronize_from_tb =3D rx_cpu_synchronize_from_tb; + cc->gdb_read_register =3D rx_cpu_gdb_read_register; + cc->gdb_write_register =3D rx_cpu_gdb_write_register; + cc->get_phys_page_debug =3D rx_cpu_get_phys_page_debug; + cc->disas_set_info =3D rx_cpu_disas_set_info; + cc->tcg_initialize =3D rx_translate_init; + cc->tlb_fill =3D rx_cpu_tlb_fill; + + cc->gdb_num_core_regs =3D 26; +} + +static const TypeInfo rx_cpu_info =3D { + .name =3D TYPE_RX_CPU, + .parent =3D TYPE_CPU, + .instance_size =3D sizeof(RXCPU), + .instance_init =3D rx_cpu_init, + .abstract =3D true, + .class_size =3D sizeof(RXCPUClass), + .class_init =3D rx_cpu_class_init, +}; + +static const TypeInfo rx62n_rx_cpu_info =3D { + .name =3D TYPE_RX62N_CPU, + .parent =3D TYPE_RX_CPU, +}; + +static void rx_cpu_register_types(void) +{ + type_register_static(&rx_cpu_info); + type_register_static(&rx62n_rx_cpu_info); +} + +type_init(rx_cpu_register_types) diff --git a/target/rx/gdbstub.c b/target/rx/gdbstub.c new file mode 100644 index 0000000000..d76ca52e82 --- /dev/null +++ b/target/rx/gdbstub.c @@ -0,0 +1,112 @@ +/* + * RX gdb server stub + * + * Copyright (c) 2019 Yoshinori Sato + * + * 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 f= or + * more details. + * + * You should have received a copy of the GNU General Public License along= with + * this program. If not, see . + */ +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "cpu.h" +#include "exec/gdbstub.h" + +int rx_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) +{ + RXCPU *cpu =3D RXCPU(cs); + CPURXState *env =3D &cpu->env; + + switch (n) { + case 0 ... 15: + return gdb_get_regl(mem_buf, env->regs[n]); + case 16: + return gdb_get_regl(mem_buf, (env->psw_u) ? env->regs[0] : env->us= p); + case 17: + return gdb_get_regl(mem_buf, (!env->psw_u) ? env->regs[0] : env->i= sp); + case 18: + return gdb_get_regl(mem_buf, rx_cpu_pack_psw(env)); + case 19: + return gdb_get_regl(mem_buf, env->pc); + case 20: + return gdb_get_regl(mem_buf, env->intb); + case 21: + return gdb_get_regl(mem_buf, env->bpsw); + case 22: + return gdb_get_regl(mem_buf, env->bpc); + case 23: + return gdb_get_regl(mem_buf, env->fintv); + case 24: + return gdb_get_regl(mem_buf, env->fpsw); + case 25: + return 0; + } + return 0; +} + +int rx_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) +{ + RXCPU *cpu =3D RXCPU(cs); + CPURXState *env =3D &cpu->env; + uint32_t psw; + switch (n) { + case 0 ... 15: + env->regs[n] =3D ldl_p(mem_buf); + if (n =3D=3D 0) { + if (env->psw_u) { + env->usp =3D env->regs[0]; + } else { + env->isp =3D env->regs[0]; + } + } + break; + case 16: + env->usp =3D ldl_p(mem_buf); + if (env->psw_u) { + env->regs[0] =3D ldl_p(mem_buf); + } + break; + case 17: + env->isp =3D ldl_p(mem_buf); + if (!env->psw_u) { + env->regs[0] =3D ldl_p(mem_buf); + } + break; + case 18: + psw =3D ldl_p(mem_buf); + rx_cpu_unpack_psw(env, psw, 1); + break; + case 19: + env->pc =3D ldl_p(mem_buf); + break; + case 20: + env->intb =3D ldl_p(mem_buf); + break; + case 21: + env->bpsw =3D ldl_p(mem_buf); + break; + case 22: + env->bpc =3D ldl_p(mem_buf); + break; + case 23: + env->fintv =3D ldl_p(mem_buf); + break; + case 24: + env->fpsw =3D ldl_p(mem_buf); + break; + case 25: + return 8; + default: + return 0; + } + + return 4; +} diff --git a/target/rx/monitor.c b/target/rx/monitor.c new file mode 100644 index 0000000000..5d7a1e58b5 --- /dev/null +++ b/target/rx/monitor.c @@ -0,0 +1,38 @@ +/* + * QEMU monitor + * + * Copyright (c) 2003-2004 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a= copy + * of this software and associated documentation files (the "Software"), t= o deal + * in the Software without restriction, including without limitation the r= ights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or se= ll + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included= in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS= OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OT= HER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING= FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS = IN + * THE SOFTWARE. + */ +#include "qemu/osdep.h" +#include "cpu.h" +#include "monitor/monitor.h" +#include "monitor/hmp-target.h" +#include "hmp.h" + +void hmp_info_tlb(Monitor *mon, const QDict *qdict) +{ + CPUArchState *env =3D mon_get_cpu_env(); + + if (!env) { + monitor_printf(mon, "No CPU available\n"); + return; + } +} --=20 2.11.0