From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Subject: [PATCH v9 1/6] target-arm: kvm64 - introduce kvm_arm_init_debug() Date: Thu, 12 Nov 2015 16:20:46 +0000 Message-ID: <1447345251-22625-2-git-send-email-alex.bennee@linaro.org> References: <1447345251-22625-1-git-send-email-alex.bennee@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, marc.zyngier@arm.com, =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org, christoffer.dall@linaro.org, zhichao.huang@linaro.org Return-path: Received: from mail-wm0-f47.google.com ([74.125.82.47]:35356 "EHLO mail-wm0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754002AbbKLQVP (ORCPT ); Thu, 12 Nov 2015 11:21:15 -0500 Received: by wmdw130 with SMTP id w130so161378620wmd.0 for ; Thu, 12 Nov 2015 08:21:14 -0800 (PST) In-Reply-To: <1447345251-22625-1-git-send-email-alex.bennee@linaro.org> Sender: kvm-owner@vger.kernel.org List-ID: As we haven't always had guest debug support we need to probe for it. Additionally we don't do this in the start-up capability code so we don't fall over on old kernels. Signed-off-by: Alex Benn=C3=A9e --- target-arm/kvm64.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/target-arm/kvm64.c b/target-arm/kvm64.c index ceebfeb..d087794 100644 --- a/target-arm/kvm64.c +++ b/target-arm/kvm64.c @@ -25,6 +25,22 @@ #include "internals.h" #include "hw/arm/arm.h" =20 +static bool have_guest_debug; + +/** + * kvm_arm_init_debug() + * @cs: CPUState + * + * Check for guest debug capabilities. + * + */ +static void kvm_arm_init_debug(CPUState *cs) +{ + have_guest_debug =3D kvm_check_extension(cs->kvm_state, + KVM_CAP_SET_GUEST_DEBUG); + return; +} + static inline void set_feature(uint64_t *features, int feature) { *features |=3D 1ULL << feature; @@ -121,6 +137,8 @@ int kvm_arch_init_vcpu(CPUState *cs) } cpu->mp_affinity =3D mpidr & ARM64_AFFINITY_MASK; =20 + kvm_arm_init_debug(cs); + return kvm_arm_init_cpreg_list(cpu); } =20 --=20 2.6.3 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52105) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zwucg-0000T7-9B for qemu-devel@nongnu.org; Thu, 12 Nov 2015 11:21:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zwucd-0003KE-Ds for qemu-devel@nongnu.org; Thu, 12 Nov 2015 11:21:18 -0500 Received: from mail-wm0-x22f.google.com ([2a00:1450:400c:c09::22f]:38391) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zwucd-0003Jc-8E for qemu-devel@nongnu.org; Thu, 12 Nov 2015 11:21:15 -0500 Received: by wmec201 with SMTP id c201so99416690wme.1 for ; Thu, 12 Nov 2015 08:21:14 -0800 (PST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Thu, 12 Nov 2015 16:20:46 +0000 Message-Id: <1447345251-22625-2-git-send-email-alex.bennee@linaro.org> In-Reply-To: <1447345251-22625-1-git-send-email-alex.bennee@linaro.org> References: <1447345251-22625-1-git-send-email-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v9 1/6] target-arm: kvm64 - introduce kvm_arm_init_debug() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org, christoffer.dall@linaro.org, zhichao.huang@linaro.org Cc: marc.zyngier@arm.com, =?UTF-8?q?Alex=20Benn=C3=A9e?= , linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu As we haven't always had guest debug support we need to probe for it. Additionally we don't do this in the start-up capability code so we don't fall over on old kernels. Signed-off-by: Alex Bennée --- target-arm/kvm64.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/target-arm/kvm64.c b/target-arm/kvm64.c index ceebfeb..d087794 100644 --- a/target-arm/kvm64.c +++ b/target-arm/kvm64.c @@ -25,6 +25,22 @@ #include "internals.h" #include "hw/arm/arm.h" +static bool have_guest_debug; + +/** + * kvm_arm_init_debug() + * @cs: CPUState + * + * Check for guest debug capabilities. + * + */ +static void kvm_arm_init_debug(CPUState *cs) +{ + have_guest_debug = kvm_check_extension(cs->kvm_state, + KVM_CAP_SET_GUEST_DEBUG); + return; +} + static inline void set_feature(uint64_t *features, int feature) { *features |= 1ULL << feature; @@ -121,6 +137,8 @@ int kvm_arch_init_vcpu(CPUState *cs) } cpu->mp_affinity = mpidr & ARM64_AFFINITY_MASK; + kvm_arm_init_debug(cs); + return kvm_arm_init_cpreg_list(cpu); } -- 2.6.3 From mboxrd@z Thu Jan 1 00:00:00 1970 From: alex.bennee@linaro.org (=?UTF-8?q?Alex=20Benn=C3=A9e?=) Date: Thu, 12 Nov 2015 16:20:46 +0000 Subject: [PATCH v9 1/6] target-arm: kvm64 - introduce kvm_arm_init_debug() In-Reply-To: <1447345251-22625-1-git-send-email-alex.bennee@linaro.org> References: <1447345251-22625-1-git-send-email-alex.bennee@linaro.org> Message-ID: <1447345251-22625-2-git-send-email-alex.bennee@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org As we haven't always had guest debug support we need to probe for it. Additionally we don't do this in the start-up capability code so we don't fall over on old kernels. Signed-off-by: Alex Benn?e --- target-arm/kvm64.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/target-arm/kvm64.c b/target-arm/kvm64.c index ceebfeb..d087794 100644 --- a/target-arm/kvm64.c +++ b/target-arm/kvm64.c @@ -25,6 +25,22 @@ #include "internals.h" #include "hw/arm/arm.h" +static bool have_guest_debug; + +/** + * kvm_arm_init_debug() + * @cs: CPUState + * + * Check for guest debug capabilities. + * + */ +static void kvm_arm_init_debug(CPUState *cs) +{ + have_guest_debug = kvm_check_extension(cs->kvm_state, + KVM_CAP_SET_GUEST_DEBUG); + return; +} + static inline void set_feature(uint64_t *features, int feature) { *features |= 1ULL << feature; @@ -121,6 +137,8 @@ int kvm_arch_init_vcpu(CPUState *cs) } cpu->mp_affinity = mpidr & ARM64_AFFINITY_MASK; + kvm_arm_init_debug(cs); + return kvm_arm_init_cpreg_list(cpu); } -- 2.6.3