#
# requires: arch=arm64 -threaded
#
# This series of tests exercise the PMU registers that are exposed in the QEMU emulation mode.
# They should not be used in the corpus when running on real HW.
#
r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0)
r2 = syz_kvm_setup_syzos_vm$arm64(r1, &(0x7f0000c00000/0x400000)=nil)
#
# 0x603000000013dcea is PMXEVCNTR_EL0.
# 0x603000000013dcf0 is PMUSERENR_EL0.
# 0x603000000013dcf3 is PMOVSSET_EL0.
# 0x603000000013df40 is PMEVCNTRn_EL0(0).
# 0x603000000013df41 is PMEVCNTRn_EL0(1).
# 0x603000000013df42 is PMEVCNTRn_EL0(2).
# 0x603000000013df43 is PMEVCNTRn_EL0(3).
# 0x603000000013df44 is PMEVCNTRn_EL0(4).
# 0x603000000013df45 is PMEVCNTRn_EL0(5).
# 0x603000000013df7f is PMCCFILTR_EL0.
# Writes to these registers will trigger kvm_handle_sys_reg in arch/arm64/kvm/sys_regs.c
# This is done to illustrate that PMU is accessible.
# 0x8 corresponds to the KVM_ARM_VCPU_PMU_V3 feature bit and is required to enable PMU.
#
r3 = syz_kvm_add_vcpu$arm64(r2, &AUTO={0x0, &AUTO=[@msr={AUTO, AUTO, {0x603000000013dcea, 0x8000}}, @msr={AUTO, AUTO, {0x603000000013dcf0, 0x8000}}, @msr={AUTO, AUTO, {0x603000000013dcf3, 0x8000}}, @msr={AUTO, AUTO, {0x603000000013df40, 0x8000}}, @msr={AUTO, AUTO, {0x603000000013df41, 0x8000}}, @msr={AUTO, AUTO, {0x603000000013df42, 0x8000}}, @msr={AUTO, AUTO, {0x603000000013df43, 0x8000}}, @msr={AUTO, AUTO, {0x603000000013df44, 0x8000}}, @msr={AUTO, AUTO, {0x603000000013df45, 0x8000}}, @msr={AUTO, AUTO, {0x603000000013df7f, 0x8000}}], AUTO}, &AUTO=[@featur1={0x1, 0x8}], 0x1)
#
# Call ioctl(KVM_SET_DEVICE_ATTR) with group=KVM_ARM_VCPU_PMU_V3_CTRL and attr=KVM_ARM_VCPU_PMU_V3_INIT,
# as per https://www.kernel.org/doc/Documentation/virt/kvm/devices/vcpu.rst.
#
ioctl$KVM_SET_DEVICE_ATTR_vcpu(r3, AUTO, &AUTO=@attr_pmu_init)

r4 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, AUTO)
r5 = mmap$KVM_VCPU(&(0x7f0000009000/0x1000)=nil, r4, 0x3, 0x1, r3, 0x0)
#
# Run till the end of guest_main(). 0xffffffffffffffff is UEXIT_END.
#
ioctl$KVM_RUN(r3, AUTO, 0x0)
syz_kvm_assert_syzos_uexit$arm64(r3, r5, 0xffffffffffffffff)
syz_kvm_assert_reg$arm64(r3, 0x603000000013dcea, 0x8000)
syz_kvm_assert_reg$arm64(r3, 0x603000000013dcf0, 0x8000)
syz_kvm_assert_reg$arm64(r3, 0x603000000013dcf3, 0x8000)
syz_kvm_assert_reg$arm64(r3, 0x603000000013df40, 0x8000)
syz_kvm_assert_reg$arm64(r3, 0x603000000013df41, 0x8000)
syz_kvm_assert_reg$arm64(r3, 0x603000000013df42, 0x8000)
syz_kvm_assert_reg$arm64(r3, 0x603000000013df43, 0x8000)
syz_kvm_assert_reg$arm64(r3, 0x603000000013df44, 0x8000)
syz_kvm_assert_reg$arm64(r3, 0x603000000013df45, 0x8000)
syz_kvm_assert_reg$arm64(r3, 0x603000000013df7f, 0x8000)
