From 29eb3d9a911b13e2a66413ba5cc6c69a0f4a4528 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Thu, 17 Dec 2015 13:37:14 +0000 Subject: target-arm: kvm64 - introduce kvm_arm_init_debug() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Message-id: 1449599553-24713-2-git-send-email-alex.bennee@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target-arm/kvm64.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'target-arm') diff --git a/target-arm/kvm64.c b/target-arm/kvm64.c index ceebfeb774..d0877946b1 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); } -- cgit v1.2.3