HelenOS sources

CPACR_FPEN_MASK    96 boot/arch/arm64/include/arch/regutils.h #define CPACR_FPEN_MASK  (UWORD64(0x3) << CPACR_FPEN_SHIFT)
CPACR_FPEN_MASK    96 kernel/arch/arm64/include/arch/regutils.h #define CPACR_FPEN_MASK  (UWORD64(0x3) << CPACR_FPEN_SHIFT)
CPACR_FPEN_MASK    96 uspace/lib/c/arch/arm64/include/libarch/regutils.h #define CPACR_FPEN_MASK  (UWORD64(0x3) << CPACR_FPEN_SHIFT)