diff options
| author | Andrew Turner <andrew@FreeBSD.org> | 2025-10-02 15:35:11 +0000 |
|---|---|---|
| committer | Andrew Turner <andrew@FreeBSD.org> | 2025-10-02 16:21:33 +0000 |
| commit | c67ea2707d2b5e6deb5986710f520ff69e4f78a3 (patch) | |
| tree | b3d7967afef05949042fba0022c47a447af894e3 | |
| parent | 4aa762f3cb97402f0345ce5112c47a303dd4107d (diff) | |
arm64/vmm: Add missing debug traps
These are features we don't support or advertise to the guest so can
safely be trapped.
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D52806
| -rw-r--r-- | sys/arm64/vmm/vmm_reset.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arm64/vmm/vmm_reset.c b/sys/arm64/vmm/vmm_reset.c index c4102277131d..1240c3ed16ec 100644 --- a/sys/arm64/vmm/vmm_reset.c +++ b/sys/arm64/vmm/vmm_reset.c @@ -145,7 +145,8 @@ reset_vm_el2_regs(void *vcpu) /* Set the Extended Hypervisor Configuration Register */ el2ctx->hcrx_el2 = 0; /* TODO: Trap all extensions we don't support */ - el2ctx->mdcr_el2 = 0; + el2ctx->mdcr_el2 = MDCR_EL2_TDOSA | MDCR_EL2_TDRA | MDCR_EL2_TPMS | + MDCR_EL2_TTRF; /* PMCR_EL0.N is read from MDCR_EL2.HPMN */ el2ctx->mdcr_el2 |= (el2ctx->pmcr_el0 & PMCR_N_MASK) >> PMCR_N_SHIFT; |