Hi Taylor, On 1/20/21 4:28 AM, Taylor Simpson wrote: > Signed-off-by: Taylor Simpson <tsimp...@quicinc.com> > --- > target/hexagon/arch.h | 35 ++++++ > target/hexagon/arch.c | 294 > ++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 329 insertions(+) > create mode 100644 target/hexagon/arch.h > create mode 100644 target/hexagon/arch.c > > diff --git a/target/hexagon/arch.h b/target/hexagon/arch.h > new file mode 100644 > index 0000000..a8374a3 > --- /dev/null > +++ b/target/hexagon/arch.h
Maybe rename "arch_utils.[ch]"? > @@ -0,0 +1,35 @@ > +/* > + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights > Reserved. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, see <http://www.gnu.org/licenses/>. > + */ > + > +#ifndef HEXAGON_ARCH_H > +#define HEXAGON_ARCH_H > + > +#include "qemu/osdep.h" > +#include "qemu/int128.h" > + > +extern uint64_t interleave(uint32_t odd, uint32_t even); > +extern uint64_t deinterleave(uint64_t src); > +extern uint32_t carry_from_add64(uint64_t a, uint64_t b, uint32_t c); > +extern int32_t conv_round(int32_t a, int n); > +extern void arch_fpop_start(CPUHexagonState *env); > +extern void arch_fpop_end(CPUHexagonState *env); > +extern int arch_sf_recip_common(float32 *Rs, float32 *Rt, float32 *Rd, > + int *adjust, float_status *fp_status); > +extern int arch_sf_invsqrt_common(float32 *Rs, float32 *Rd, int *adjust, > + float_status *fp_status); (Again, no need for 'extern'). > + > +#endif > diff --git a/target/hexagon/arch.c b/target/hexagon/arch.c > new file mode 100644 > index 0000000..c59cad5 > --- /dev/null > +++ b/target/hexagon/arch.c ... > +#define RAISE_FP_EXCEPTION \ > + do {} while (0) /* Not modelled in qemu user mode */ I don't understand why... Can you explain please? > + > +#define SOFTFLOAT_TEST_FLAG(FLAG, MYF, MYE) \ > + do { \ > + if (flags & FLAG) { \ > + if (GET_USR_FIELD(USR_##MYF) == 0) { \ > + SET_USR_FIELD(USR_##MYF, 1); \ > + if (GET_USR_FIELD(USR_##MYE)) { \ > + RAISE_FP_EXCEPTION; \ > + } \ > + } \ > + } \ > + } while (0) ...
