From nobody Tue Feb 10 20:14:14 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; 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 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 151127476640823.091374940009587; Tue, 21 Nov 2017 06:32:46 -0800 (PST) Received: from localhost ([::1]:34753 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9bC-000569-SQ for importer@patchew.org; Tue, 21 Nov 2017 09:32:30 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40057) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9FW-0001yc-Nj for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:10:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eH9FS-000337-Lc for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:10:06 -0500 Received: from mail.ispras.ru ([83.149.199.45]:38376) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9FS-00032n-8J for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:10:02 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 855E754006E; Tue, 21 Nov 2017 17:10:01 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 21 Nov 2017 17:09:59 +0300 Message-ID: <151127339933.6888.15067151619046465118.stgit@Misha-PC.lan02.inno> In-Reply-To: <151127322955.6888.16198535123422076171.stgit@Misha-PC.lan02.inno> References: <151127322955.6888.16198535123422076171.stgit@Misha-PC.lan02.inno> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.45 Subject: [Qemu-devel] [PATCH v3 29/45] windbg: implemented windbg_write_ks_regs X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sw@weilnetz.de, lprosek@redhat.com, dovgaluk@ispras.ru, rkagan@virtuozzo.com, pbonzini@redhat.com, den@openvz.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Signed-off-by: Mihail Abakumov Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- target/i386/windbgstub.c | 111 ++++++++++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 111 insertions(+) diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c index c492ee58d8..63962b48dd 100755 --- a/target/i386/windbgstub.c +++ b/target/i386/windbgstub.c @@ -641,6 +641,117 @@ static int windbg_read_ks_regs(CPUState *cpu, uint8_t= *buf, int buf_size, static int windbg_write_ks_regs(CPUState *cpu, uint8_t *buf, int buf_size, int offset, int len) { + CPUArchState *env =3D cpu->env_ptr; + int mem_size; + uint8_t *mem_ptr =3D buf; + while (len > 0 && offset < sizeof(CPU_KSPECIAL_REGISTERS)) { + mem_size =3D 1; + switch (offset) { + + case offsetof(CPU_KSPECIAL_REGISTERS, Cr0): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Cr0); + cpu_x86_update_cr0(env, ldtul_p(buf + offset)); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Cr2): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Cr2); + env->cr[2] =3D ldtul_p(buf + offset); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Cr3): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Cr3); + cpu_x86_update_cr3(env, ldtul_p(buf + offset)); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Cr4): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Cr4); + cpu_x86_update_cr4(env, ldtul_p(buf + offset)); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr0): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr0); + windbg_set_dr(cpu, 0, ldtul_p(buf + offset)); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr1): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr1); + windbg_set_dr(cpu, 1, ldtul_p(buf + offset)); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr2): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr2); + windbg_set_dr(cpu, 2, ldtul_p(buf + offset)); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr3): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr3); + windbg_set_dr(cpu, 3, ldtul_p(buf + offset)); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr6): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr6); + windbg_set_dr(cpu, 6, ldtul_p(buf + offset)); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr7): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr7); + windbg_set_dr(cpu, 7, ldtul_p(buf + offset)); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Gdtr.Pad): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Gdtr.Pad); + env->gdt.selector =3D lduw_p(buf + offset); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Gdtr.Limit): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Gdtr.Limit); + env->gdt.limit =3D lduw_p(buf + offset); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Gdtr.Base): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Gdtr.Base); + env->gdt.base =3D ldtul_p(buf + offset); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Idtr.Pad): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Idtr.Pad); + env->idt.selector =3D lduw_p(buf + offset); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Idtr.Limit): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Idtr.Limit); + env->idt.limit =3D lduw_p(buf + offset); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Idtr.Base): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Idtr.Base); + env->idt.base =3D ldtul_p(buf + offset); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Tr): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Tr); + env->tr.selector =3D lduw_p(buf + offset); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Ldtr): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Ldtr); + env->ldt.selector =3D lduw_p(buf + offset); + break; + + case offsetof(CPU_KSPECIAL_REGISTERS, Reserved): + mem_size =3D sizeof_field(CPU_KSPECIAL_REGISTERS, Reserved); + break; + + default: + WINDBG_ERROR("write_context: Unknown offset %d", offset); + return -1; + } + + mem_ptr +=3D mem_size; + offset +=3D mem_size; + len -=3D mem_size; + } + return 0; } =20