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| author | Bin Lu <bin.lu@arm.com> | 2020-07-03 00:06:38 -0400 |
|---|---|---|
| committer | Bin Lu <bin.lu@arm.com> | 2020-07-03 00:08:39 -0400 |
| commit | 49f38dee10527d67048599740e208b1d11eda3bd (patch) | |
| tree | 69c66b289c6334c98a72600ba7081c669915f1a5 /pkg/sentry/platform/kvm | |
| parent | 6c099d830091b3153e0dc39cf500dba441f45707 (diff) | |
allow guest user applications read ctr_el0 on Arm64
At present, when doing syscall_kvm test, we need to
enable the function of ESR_ELx_SYS64_ISS_SYS_CTR_READ to
successfully pass the test.
I set SCTLR_EL1.UCT==1, so that the related cases can passed.
Signed-off-by: Bin Lu <bin.lu@arm.com>
Diffstat (limited to 'pkg/sentry/platform/kvm')
| -rw-r--r-- | pkg/sentry/platform/kvm/machine_arm64_unsafe.go | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/pkg/sentry/platform/kvm/machine_arm64_unsafe.go b/pkg/sentry/platform/kvm/machine_arm64_unsafe.go index 8bed34922..3de309c1a 100644 --- a/pkg/sentry/platform/kvm/machine_arm64_unsafe.go +++ b/pkg/sentry/platform/kvm/machine_arm64_unsafe.go @@ -78,19 +78,6 @@ func (c *vCPU) initArchState() error { return err } - // sctlr_el1 - regGet.id = _KVM_ARM64_REGS_SCTLR_EL1 - if err := c.getOneRegister(®Get); err != nil { - return err - } - - dataGet |= (_SCTLR_M | _SCTLR_C | _SCTLR_I) - data = dataGet - reg.id = _KVM_ARM64_REGS_SCTLR_EL1 - if err := c.setOneRegister(®); err != nil { - return err - } - // tcr_el1 data = _TCR_TXSZ_VA48 | _TCR_CACHE_FLAGS | _TCR_SHARED | _TCR_TG_FLAGS | _TCR_ASID16 | _TCR_IPS_40BITS reg.id = _KVM_ARM64_REGS_TCR_EL1 |