57 lines
2.8 KiB
C
57 lines
2.8 KiB
C
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2018 Intel Corporation │
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│ Copyright 2019 Justine Alexandra Roberts Tunney │
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│ │
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│ Licensed under the Apache License, Version 2.0 (the "License"); │
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│ you may not use this file except in compliance with the License. │
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│ You may obtain a copy of the License at │
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│ │
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│ http://www.apache.org/licenses/LICENSE-2.0 │
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│ │
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│ Unless required by applicable law or agreed to in writing, software │
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│ distributed under the License is distributed on an "AS IS" BASIS, │
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│ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. │
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│ See the License for the specific language governing permissions and │
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│ limitations under the License. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "third_party/xed/x86.h"
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asm(".ident\t\"\\n\\n\
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Xed (Apache 2.0)\\n\
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Copyright 2018 Intel Corporation\\n\
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Copyright 2019 Justine Alexandra Roberts Tunney\\n\
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Modifications: Trimmed down to 3kb [2019-03-22 jart]\"");
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asm(".include \"libc/disclaimer.inc\"");
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bool xed_isa_set_is_valid_for_chip(enum XedIsaSet isa_set, enum XedChip chip) {
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unsigned n, r;
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n = isa_set / 64;
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r = isa_set - (64 * n);
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return !!(xed_chip_features[chip][n] & (1ul << r));
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}
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bool xed_test_chip_features(struct XedChipFeatures *p, enum XedIsaSet isa_set) {
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unsigned n, r;
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n = isa_set / 64;
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r = isa_set - (64 * n);
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return !!(p->f[n] & (1ul << r));
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}
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void xed_get_chip_features(struct XedChipFeatures *p, enum XedChip chip) {
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if (p) {
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if (chip < XED_CHIP_LAST) {
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p->f[0] = xed_chip_features[chip][0];
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p->f[1] = xed_chip_features[chip][1];
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p->f[2] = xed_chip_features[chip][2];
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p->f[3] = 0;
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} else {
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p->f[0] = 0;
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p->f[1] = 0;
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p->f[2] = 0;
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p->f[3] = 0;
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}
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}
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}
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