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[PATCH-for-9.0,2/3] target/arm: Restrict DC CVAP & DC CVADP instructions to TCG accel

Message ID 20231130142519.28417-3-philmd@linaro.org
State Superseded
Headers show
Series target/arm/tcg: Few non-TCG cleanups | expand

Commit Message

Philippe Mathieu-Daudé Nov. 30, 2023, 2:25 p.m. UTC 
Hardware accelerators handle that in *hardware*.

Signed-off-by: Philippe Mathieu-Daudé <philmd@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 4844cf1d78..20e13215bb 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7645,6 +7645,7 @@  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);
@@ -7669,6 +7670,10 @@  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[] = {