diff mbox series

[07/19] target/arm: Add isar_feature_aa32_{fpsp_v2, fpsp_v3, fpdp_v3}

Message ID 20200214181547.21408-8-richard.henderson@linaro.org
State Superseded
Headers show
Series target/arm: vfp feature and decodetree cleanup | expand

Commit Message

Richard Henderson Feb. 14, 2020, 6:15 p.m. UTC 
We will shortly use these to test for VFPv2 and VFPv3
in different situations.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/cpu.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

-- 
2.20.1

Comments

Peter Maydell Feb. 21, 2020, 4:03 p.m. UTC | #1 
On Fri, 14 Feb 2020 at 18:15, Richard Henderson
<richard.henderson@linaro.org> wrote:
>

> We will shortly use these to test for VFPv2 and VFPv3

> in different situations.

>

> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

> ---

>  target/arm/cpu.h | 18 ++++++++++++++++++

>  1 file changed, 18 insertions(+)


Reviewed-by: Peter Maydell <peter.maydell@linaro.org>


thanks
-- PMM
diff mbox series

Patch

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 5f08cbd2d8..4ff28418df 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -3429,12 +3429,30 @@  static inline bool isar_feature_aa32_fpshvec(const ARMISARegisters *id)
     return FIELD_EX32(id->mvfr0, MVFR0, FPSHVEC) > 0;
 }
 
+static inline bool isar_feature_aa32_fpsp_v2(const ARMISARegisters *id)
+{
+    /* Return true if CPU supports single precision floating point, VFPv2 */
+    return FIELD_EX32(id->mvfr0, MVFR0, FPSP) > 0;
+}
+
+static inline bool isar_feature_aa32_fpsp_v3(const ARMISARegisters *id)
+{
+    /* Return true if CPU supports single precision floating point, VFPv3 */
+    return FIELD_EX32(id->mvfr0, MVFR0, FPSP) >= 2;
+}
+
 static inline bool isar_feature_aa32_fpdp_v2(const ARMISARegisters *id)
 {
     /* Return true if CPU supports double precision floating point, VFPv2 */
     return FIELD_EX32(id->mvfr0, MVFR0, FPDP) > 0;
 }
 
+static inline bool isar_feature_aa32_fpdp_v3(const ARMISARegisters *id)
+{
+    /* Return true if CPU supports double precision floating point, VFPv3 */
+    return FIELD_EX32(id->mvfr0, MVFR0, FPDP) >= 2;
+}
+
 /*
  * We always set the FP and SIMD FP16 fields to indicate identical
  * levels of support (assuming SIMD is implemented at all), so