From: Akihiko Odaki <akihiko.od...@daynix.com>
hvf did not advance PC when raising an exception for most unhandled
system registers, but it mistakenly advanced PC when raising an
exception for GICv3 registers.
Cc: qemu-sta...@nongnu.org
Fixes: a2260983c655 ("hvf: arm: Add support for GICv3")
Signed-off-by: Akihiko Odaki <akihiko.od...@daynix.com>
Message-id: 20240716-pmu-v3-4-8c7c1858a...@daynix.com
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
(cherry picked from commit 30a1690f2402e6c1582d5b3ebcf7940bfe2fad4b)
Signed-off-by: Michael Tokarev <m...@tls.msk.ru>
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 09b31c318a..d7cc00a084 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -1272,6 +1272,7 @@ static int hvf_sysreg_read(CPUState *cpu, uint32_t reg,
uint32_t rt)
/* Call the TCG sysreg handler. This is only safe for GICv3 regs. */
if (!hvf_sysreg_read_cp(cpu, reg, &val)) {
hvf_raise_exception(cpu, EXCP_UDEF, syn_uncategorized());
+ return 1;
}
break;
case SYSREG_DBGBVR0_EL1:
--
2.39.2
