Use FIELD_GET() macro to extract ID register fields for existing aarch64 selftests code. No functional change intended. Signed-off-by: Reiji Watanabe <reijiw@xxxxxxxxxx> --- tools/testing/selftests/kvm/aarch64/aarch32_id_regs.c | 3 ++- tools/testing/selftests/kvm/aarch64/debug-exceptions.c | 3 ++- tools/testing/selftests/kvm/lib/aarch64/processor.c | 7 ++++--- 3 files changed, 8 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/kvm/aarch64/aarch32_id_regs.c b/tools/testing/selftests/kvm/aarch64/aarch32_id_regs.c index 6f9c1f19c7f6..b6a5e8861b35 100644 --- a/tools/testing/selftests/kvm/aarch64/aarch32_id_regs.c +++ b/tools/testing/selftests/kvm/aarch64/aarch32_id_regs.c @@ -13,6 +13,7 @@ #include "kvm_util.h" #include "processor.h" #include "test_util.h" +#include <linux/bitfield.h> #define BAD_ID_REG_VAL 0x1badc0deul @@ -145,7 +146,7 @@ static bool vcpu_aarch64_only(struct kvm_vcpu *vcpu) vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_ID_AA64PFR0_EL1), &val); - el0 = (val & ARM64_FEATURE_MASK(ID_AA64PFR0_EL0)) >> ID_AA64PFR0_EL0_SHIFT; + el0 = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64PFR0_EL0), val); return el0 == ID_AA64PFR0_ELx_64BIT_ONLY; } diff --git a/tools/testing/selftests/kvm/aarch64/debug-exceptions.c b/tools/testing/selftests/kvm/aarch64/debug-exceptions.c index 947bd201435c..3808d3d75055 100644 --- a/tools/testing/selftests/kvm/aarch64/debug-exceptions.c +++ b/tools/testing/selftests/kvm/aarch64/debug-exceptions.c @@ -2,6 +2,7 @@ #include <test_util.h> #include <kvm_util.h> #include <processor.h> +#include <linux/bitfield.h> #define MDSCR_KDE (1 << 13) #define MDSCR_MDE (1 << 15) @@ -284,7 +285,7 @@ static int debug_version(struct kvm_vcpu *vcpu) uint64_t id_aa64dfr0; vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_ID_AA64DFR0_EL1), &id_aa64dfr0); - return id_aa64dfr0 & 0xf; + return FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_DEBUGVER), id_aa64dfr0); } static void test_guest_debug_exceptions(void) diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c index 6f5551368944..7c96b931edd5 100644 --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c @@ -11,6 +11,7 @@ #include "guest_modes.h" #include "kvm_util.h" #include "processor.h" +#include <linux/bitfield.h> #define DEFAULT_ARM64_GUEST_STACK_VADDR_MIN 0xac0000 @@ -486,9 +487,9 @@ void aarch64_get_supported_page_sizes(uint32_t ipa, err = ioctl(vcpu_fd, KVM_GET_ONE_REG, ®); TEST_ASSERT(err == 0, KVM_IOCTL_ERROR(KVM_GET_ONE_REG, vcpu_fd)); - *ps4k = ((val >> 28) & 0xf) != 0xf; - *ps64k = ((val >> 24) & 0xf) == 0; - *ps16k = ((val >> 20) & 0xf) != 0; + *ps4k = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_TGRAN4), val) != 0xf; + *ps64k = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_TGRAN64), val) == 0; + *ps16k = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_TGRAN16), val) != 0; close(vcpu_fd); close(vm_fd); -- 2.38.0.413.g74048e4d9e-goog _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
