[v3] target/ppc: DFP instructions using decodetree

[PATCH v3 11/22] target/ppc: Introduce REQUIRE_FPU

Luis Pires posted 22 patches 4 years, 5 months ago

Diff against v1 v2 v4 v5
Download mbox

Maintainers: Aurelien Jarno <aurelien@aurel32.net>, Greg Kurz <groug@kaod.org>, Damien Hedde <damien.hedde@greensocs.com>, Luc Michel <luc@lmichel.fr>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Alex Bennée" <alex.bennee@linaro.org>, Peter Maydell <peter.maydell@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, David Gibson <david@gibson.dropbear.id.au>, Eduardo Habkost <ehabkost@redhat.com>

There is a newer version of this series

Expand all Fold all

[PATCH v3 11/22] target/ppc: Introduce REQUIRE_FPU

Posted by Luis Pires 4 years, 5 months ago

From: Fernando Valle <fernando.valle@eldorado.org.br>

Signed-off-by: Fernando Valle <fernando.valle@eldorado.org.br>
Signed-off-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/ppc/translate.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 4749ecdaa9..5489b4b6e0 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -7461,6 +7461,14 @@ static int times_4(DisasContext *ctx, int x)
         }                                               \
     } while (0)
 
+#define REQUIRE_FPU(ctx)                                \
+    do {                                                \
+        if (unlikely(!(ctx)->fpu_enabled)) {            \
+            gen_exception((ctx), POWERPC_EXCP_FPU);     \
+            return true;                                \
+        }                                               \
+    } while (0)
+
 /*
  * Helpers for implementing sets of trans_* functions.
  * Defer the implementation of NAME to FUNC, with optional extra arguments.
-- 
2.25.1