[PATCH v5 2/6] target-arm: kvm64: introduce kvm_arm_init_debug()
From: Alex Bennée <hidden>
Date: 2015-05-29 15:19:20
Also in:
kvm, kvmarm, qemu-devel
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- target-arm/kvm64.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/target-arm/kvm64.c b/target-arm/kvm64.c
index 93c1ca8..61592d2 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;
@@ -107,6 +123,8 @@ int kvm_arch_init_vcpu(CPUState *cs) return ret; } + kvm_arm_init_debug(cs); + return kvm_arm_init_cpreg_list(cpu); }
--
2.4.1