diff options
| -rw-r--r-- | include/arch/aarch32/el3_common_macros.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/arch/aarch32/el3_common_macros.S b/include/arch/aarch32/el3_common_macros.S index 322aed5c..0bd89781 100644 --- a/include/arch/aarch32/el3_common_macros.S +++ b/include/arch/aarch32/el3_common_macros.S @@ -92,9 +92,14 @@ * * FPEXC.EN: Enable access to Advanced SIMD and floating point features * from all exception levels. + * + * __SOFTFP__: Predefined macro exposed by soft-float toolchain. + * ARMv7 and Cortex-A32(ARMv8/aarch32) has both soft-float and + * hard-float variants of toolchain, avoid compiling below code with + * soft-float toolchain as "vmsr" instruction will not be recognized. * --------------------------------------------------------------------- */ -#if (ARM_ARCH_MAJOR > 7) || defined(ARMV7_SUPPORTS_VFP) +#if ((ARM_ARCH_MAJOR > 7) || defined(ARMV7_SUPPORTS_VFP)) && !(__SOFTFP__) ldr r0, =(FPEXC_RESET_VAL | FPEXC_EN_BIT) vmsr FPEXC, r0 isb |