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[PULL,40/43] target/arm: Restrict DC CVAP & DC CVADP instructions to TCG accel

Message ID 20231219191307.2895919-41-peter.maydell@linaro.org
State Accepted
Commit 7a3014a9a26b61b1df246426b6510b8956acfaab
Headers show
Series [PULL,01/43] accel/kvm: Make kvm_has_guest_debug static | expand

Commit Message

Peter Maydell Dec. 19, 2023, 7:13 p.m. UTC 
From: Philippe Mathieu-Daudé <philmd@linaro.org>

Hardware accelerators handle that in *hardware*.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20231130142519.28417-3-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/helper.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 5d4796b99a8..436a43a4b7b 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7649,6 +7649,7 @@  static const ARMCPRegInfo rndr_reginfo[] = {
 static void dccvap_writefn(CPUARMState *env, const ARMCPRegInfo *opaque,
                           uint64_t value)
 {
+#ifdef CONFIG_TCG
     ARMCPU *cpu = env_archcpu(env);
     /* CTR_EL0 System register -> DminLine, bits [19:16] */
     uint64_t dline_size = 4 << ((cpu->ctr >> 16) & 0xF);
@@ -7673,6 +7674,10 @@  static void dccvap_writefn(CPUARMState *env, const ARMCPRegInfo *opaque,
         }
 #endif /*CONFIG_USER_ONLY*/
     }
+#else
+    /* Handled by hardware accelerator. */
+    g_assert_not_reached();
+#endif /* CONFIG_TCG */
 }
 
 static const ARMCPRegInfo dcpop_reg[] = {