The AArch32 CP14 DBGDIDR has bit 15 set to RES1, which our current
emulation doesn't set. Just add the missing bit.
Reported-by: Peter Maydell <peter.mayd...@linaro.org>
Signed-off-by: Marc Zyngier <m...@kernel.org>
---
arch/arm64/kvm/sys_regs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 3313dedfa505..0c0832472c4a 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -1711,7 +1711,7 @@ static bool trap_dbgidr(struct kvm_vcpu *vcpu,
p->regval = ((((dfr >> ID_AA64DFR0_WRPS_SHIFT) & 0xf) << 28) |
(((dfr >> ID_AA64DFR0_BRPS_SHIFT) & 0xf) << 24) |
(((dfr >> ID_AA64DFR0_CTX_CMPS_SHIFT) & 0xf) << 20)
- | (6 << 16) | (el3 << 14) | (el3 << 12));
+ | (6 << 16) | (1 << 15) | (el3 << 14) | (el3 <<
12));
return true;
}
}
--
2.29.2
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