{"id":818573,"url":"http://patchwork.ozlabs.org/api/patches/818573/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/150642402028.3900.4958813484847164692.stgit@Misha-PC.lan02.inno/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<150642402028.3900.4958813484847164692.stgit@Misha-PC.lan02.inno>","list_archive_url":null,"date":"2017-09-26T11:07:00","name":"[31/43] windbg: implemented windbg_set_dr","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"3b3f01a4f8e6c2a5c60e40c15cef6742eda88b5f","submitter":{"id":71645,"url":"http://patchwork.ozlabs.org/api/people/71645/?format=json","name":"Mikhail Abakumov","email":"mikhail.abakumov@ispras.ru"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/150642402028.3900.4958813484847164692.stgit@Misha-PC.lan02.inno/mbox/","series":[{"id":5104,"url":"http://patchwork.ozlabs.org/api/series/5104/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=5104","date":"2017-09-26T11:04:06","name":"Windbg supporting","version":1,"mbox":"http://patchwork.ozlabs.org/series/5104/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/818573/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/818573/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=)","Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3y1f1C0F7cz9tXf\n\tfor ;\n\tTue, 26 Sep 2017 21:31:43 +1000 (AEST)","from localhost ([::1]:46822 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t)\n\tid 1dwo5T-0001ad-Nm\n\tfor incoming@patchwork.ozlabs.org; Tue, 26 Sep 2017 07:31:39 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:59940)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1dwnhf-0005MK-No\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:04 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from ) id 1dwnhe-0001TS-Ot\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:03 -0400","from mail.ispras.ru ([83.149.199.45]:52252)\n\tby eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1dwnhe-0001TA-H2\n\tfor qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:02 -0400","from Misha-PC.lan02.inno (unknown [85.142.117.226])\n\tby mail.ispras.ru (Postfix) with ESMTPSA id C73BB5400EB;\n\tTue, 26 Sep 2017 14:07:01 +0300 (MSK)"],"From":"Mihail Abakumov ","To":"qemu-devel@nongnu.org","Date":"Tue, 26 Sep 2017 14:07:00 +0300","Message-ID":"<150642402028.3900.4958813484847164692.stgit@Misha-PC.lan02.inno>","In-Reply-To":"<150642384156.3900.3326424823772221077.stgit@Misha-PC.lan02.inno>","References":"<150642384156.3900.3326424823772221077.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":"7bit","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 3.x [fuzzy]","X-Received-From":"83.149.199.45","Subject":"[Qemu-devel] [PATCH 31/43] windbg: implemented windbg_set_dr","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"sw@weilnetz.de, lprosek@redhat.com, dovgaluk@ispras.ru,\n\trkagan@virtuozzo.com, pbonzini@redhat.com, den@openvz.org","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"},"content":"Defined useful macroses for breakpoints.\n\nSigned-off-by: Mihail Abakumov \nSigned-off-by: Pavel Dovgalyuk \nSigned-off-by: Dmitriy Koltunov \n---\n windbgstub-utils.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 49 insertions(+), 1 deletion(-)","diff":"diff --git a/windbgstub-utils.c b/windbgstub-utils.c\nindex 238db03714..58c4c98f04 100755\n--- a/windbgstub-utils.c\n+++ b/windbgstub-utils.c\n@@ -11,6 +11,21 @@\n \n #include \"exec/windbgstub-utils.h\"\n \n+#define IS_LOCAL_BP_ENABLED(dr7, index) (((dr7) >> ((index) * 2)) & 1)\n+\n+#define IS_GLOBAL_BP_ENABLED(dr7, index) (((dr7) >> ((index) * 2)) & 2)\n+\n+#define IS_BP_ENABLED(dr7, index) \\\n+ (IS_LOCAL_BP_ENABLED(dr7, index) | IS_GLOBAL_BP_ENABLED(dr7, index))\n+\n+#define BP_TYPE(dr7, index) \\\n+ ((int) ((dr7) >> (DR7_TYPE_SHIFT + ((index) * 4))) & 3)\n+\n+#define BP_LEN(dr7, index) ({ \\\n+ int _len = (((dr7) >> (DR7_LEN_SHIFT + ((index) * 4))) & 3); \\\n+ (_len == 2) ? 8 : _len + 1; \\\n+})\n+\n #ifdef TARGET_X86_64\n # define OFFSET_SELF_PCR 0x18\n # define OFFSET_VERS 0x108\n@@ -277,9 +292,42 @@ typedef struct KDData {\n \n static KDData *kd;\n \n-static void windbg_set_dr(CPUState *cpu, int index, target_ulong value)\n+static int windbg_hw_breakpoint_insert(CPUState *cpu, int index)\n+{\n+ return 0;\n+}\n+\n+static int windbg_hw_breakpoint_remove(CPUState *cpu, int index)\n+{\n+ return 0;\n+}\n+\n+static void windbg_set_dr7(CPUState *cpu, target_ulong new_dr7)\n {}\n \n+static void windbg_set_dr(CPUState *cpu, int index, target_ulong value)\n+{\n+ CPUArchState *env = cpu->env_ptr;\n+\n+ switch (index) {\n+ case 0 ... 3:\n+ if (IS_BP_ENABLED(env->dr[7], index) && env->dr[index] != value) {\n+ windbg_hw_breakpoint_remove(cpu, index);\n+ env->dr[index] = value;\n+ windbg_hw_breakpoint_insert(cpu, index);\n+ } else {\n+ env->dr[index] = value;\n+ }\n+ return;\n+ case 6:\n+ env->dr[6] = value | DR6_FIXED_1;\n+ return;\n+ case 7:\n+ windbg_set_dr7(cpu, value);\n+ return;\n+ }\n+}\n+\n static void windbg_set_sr(CPUState *cpu, int sr, uint16_t selector)\n {\n CPUArchState *env = cpu->env_ptr;\n","prefixes":["31/43"]}