binutils-gdb/gdb/features/aarch64-sve.c
Luis Machado f4b581f2d1 [AArch64] Update FPSR/FPCR fields for FPU and SVE
I noticed some missing flags/fields from FPSR and FPCR registers in
both the FPU and SVE target descriptions.

This patch adds those and makes the SVE versions of FPSR and FPCR
use the proper flags/bitfields types.
2022-10-04 09:14:34 +01:00

212 lines
10 KiB
C

/* Copyright (C) 2018-2022 Free Software Foundation, Inc.
This file is part of GDB.
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 3 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/>. */
#include "gdbsupport/tdesc.h"
/* This function is NOT auto generated from xml. Create the aarch64 with SVE
feature into RESULT, where SCALE is the number of 128 bit chunks in a Z
register. */
static int
create_feature_aarch64_sve (struct target_desc *result, long regnum,
uint64_t scale)
{
struct tdesc_feature *feature;
tdesc_type *element_type, *field_type;
tdesc_type_with_fields *type_with_fields;
feature = tdesc_create_feature (result, "org.gnu.gdb.aarch64.sve");
element_type = tdesc_named_type (feature, "uint128");
tdesc_create_vector (feature, "svevqu", element_type, scale);
element_type = tdesc_named_type (feature, "int128");
tdesc_create_vector (feature, "svevqs", element_type, scale);
element_type = tdesc_named_type (feature, "ieee_double");
tdesc_create_vector (feature, "svevdf", element_type, 2 * scale);
element_type = tdesc_named_type (feature, "uint64");
tdesc_create_vector (feature, "svevdu", element_type, 2 * scale);
element_type = tdesc_named_type (feature, "int64");
tdesc_create_vector (feature, "svevds", element_type, 2 * scale);
element_type = tdesc_named_type (feature, "ieee_single");
tdesc_create_vector (feature, "svevsf", element_type, 4 * scale);
element_type = tdesc_named_type (feature, "uint32");
tdesc_create_vector (feature, "svevsu", element_type, 4 * scale);
element_type = tdesc_named_type (feature, "int32");
tdesc_create_vector (feature, "svevss", element_type, 4 * scale);
element_type = tdesc_named_type (feature, "ieee_half");
tdesc_create_vector (feature, "svevhf", element_type, 8 * scale);
element_type = tdesc_named_type (feature, "uint16");
tdesc_create_vector (feature, "svevhu", element_type, 8 * scale);
element_type = tdesc_named_type (feature, "int16");
tdesc_create_vector (feature, "svevhs", element_type, 8 * scale);
element_type = tdesc_named_type (feature, "uint8");
tdesc_create_vector (feature, "svevbu", element_type, 16 * scale);
element_type = tdesc_named_type (feature, "int8");
tdesc_create_vector (feature, "svevbs", element_type, 16 * scale);
type_with_fields = tdesc_create_union (feature, "svevnq");
field_type = tdesc_named_type (feature, "svevqu");
tdesc_add_field (type_with_fields, "u", field_type);
field_type = tdesc_named_type (feature, "svevqs");
tdesc_add_field (type_with_fields, "s", field_type);
type_with_fields = tdesc_create_union (feature, "svevnd");
field_type = tdesc_named_type (feature, "svevdf");
tdesc_add_field (type_with_fields, "f", field_type);
field_type = tdesc_named_type (feature, "svevdu");
tdesc_add_field (type_with_fields, "u", field_type);
field_type = tdesc_named_type (feature, "svevds");
tdesc_add_field (type_with_fields, "s", field_type);
type_with_fields = tdesc_create_union (feature, "svevns");
field_type = tdesc_named_type (feature, "svevsf");
tdesc_add_field (type_with_fields, "f", field_type);
field_type = tdesc_named_type (feature, "svevsu");
tdesc_add_field (type_with_fields, "u", field_type);
field_type = tdesc_named_type (feature, "svevss");
tdesc_add_field (type_with_fields, "s", field_type);
type_with_fields = tdesc_create_union (feature, "svevnh");
field_type = tdesc_named_type (feature, "svevhf");
tdesc_add_field (type_with_fields, "f", field_type);
field_type = tdesc_named_type (feature, "svevhu");
tdesc_add_field (type_with_fields, "u", field_type);
field_type = tdesc_named_type (feature, "svevhs");
tdesc_add_field (type_with_fields, "s", field_type);
type_with_fields = tdesc_create_union (feature, "svevnb");
field_type = tdesc_named_type (feature, "svevbu");
tdesc_add_field (type_with_fields, "u", field_type);
field_type = tdesc_named_type (feature, "svevbs");
tdesc_add_field (type_with_fields, "s", field_type);
type_with_fields = tdesc_create_union (feature, "svev");
field_type = tdesc_named_type (feature, "svevnq");
tdesc_add_field (type_with_fields, "q", field_type);
field_type = tdesc_named_type (feature, "svevnd");
tdesc_add_field (type_with_fields, "d", field_type);
field_type = tdesc_named_type (feature, "svevns");
tdesc_add_field (type_with_fields, "s", field_type);
field_type = tdesc_named_type (feature, "svevnh");
tdesc_add_field (type_with_fields, "h", field_type);
field_type = tdesc_named_type (feature, "svevnb");
tdesc_add_field (type_with_fields, "b", field_type);
field_type = tdesc_named_type (feature, "uint8");
tdesc_create_vector (feature, "svep", field_type, 2 * scale);
/* FPSR register type */
type_with_fields = tdesc_create_flags (feature, "fpsr_flags", 4);
tdesc_add_flag (type_with_fields, 0, "IOC");
tdesc_add_flag (type_with_fields, 1, "DZC");
tdesc_add_flag (type_with_fields, 2, "OFC");
tdesc_add_flag (type_with_fields, 3, "UFC");
tdesc_add_flag (type_with_fields, 4, "IXC");
tdesc_add_flag (type_with_fields, 7, "IDC");
tdesc_add_flag (type_with_fields, 27, "QC");
tdesc_add_flag (type_with_fields, 28, "V");
tdesc_add_flag (type_with_fields, 29, "C");
tdesc_add_flag (type_with_fields, 30, "Z");
tdesc_add_flag (type_with_fields, 31, "N");
/* FPCR register type */
type_with_fields = tdesc_create_flags (feature, "fpcr_flags", 4);
tdesc_add_flag (type_with_fields, 0, "FIZ");
tdesc_add_flag (type_with_fields, 1, "AH");
tdesc_add_flag (type_with_fields, 2, "NEP");
tdesc_add_flag (type_with_fields, 8, "IOE");
tdesc_add_flag (type_with_fields, 9, "DZE");
tdesc_add_flag (type_with_fields, 10, "OFE");
tdesc_add_flag (type_with_fields, 11, "UFE");
tdesc_add_flag (type_with_fields, 12, "IXE");
tdesc_add_flag (type_with_fields, 13, "EBF");
tdesc_add_flag (type_with_fields, 15, "IDE");
tdesc_add_bitfield (type_with_fields, "Len", 16, 18);
tdesc_add_flag (type_with_fields, 19, "FZ16");
tdesc_add_bitfield (type_with_fields, "Stride", 20, 21);
tdesc_add_bitfield (type_with_fields, "RMode", 22, 23);
tdesc_add_flag (type_with_fields, 24, "FZ");
tdesc_add_flag (type_with_fields, 25, "DN");
tdesc_add_flag (type_with_fields, 26, "AHP");
tdesc_create_reg (feature, "z0", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z1", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z2", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z3", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z4", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z5", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z6", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z7", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z8", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z9", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z10", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z11", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z12", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z13", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z14", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z15", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z16", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z17", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z18", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z19", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z20", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z21", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z22", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z23", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z24", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z25", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z26", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z27", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z28", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z29", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z30", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "z31", regnum++, 1, NULL, 128 * scale, "svev");
tdesc_create_reg (feature, "fpsr", regnum++, 1, NULL, 32, "fpsr_flags");
tdesc_create_reg (feature, "fpcr", regnum++, 1, NULL, 32, "fpcr_flags");
tdesc_create_reg (feature, "p0", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p1", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p2", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p3", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p4", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p5", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p6", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p7", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p8", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p9", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p10", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p11", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p12", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p13", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p14", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "p15", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "ffr", regnum++, 1, NULL, 16 * scale, "svep");
tdesc_create_reg (feature, "vg", regnum++, 1, NULL, 64, "int");
return regnum;
}