mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-24 14:59:03 +00:00
e75ffde09e
You can now build Cosmopolitan with Clang:
make -j8 MODE=llvm
o/llvm/examples/hello.com
The assembler and linker code is now friendly to LLVM too.
So it's not needed to configure Clang to use binutils under
the hood. If you love LLVM then you can now use pure LLVM.
54 lines
2.8 KiB
C
54 lines
2.8 KiB
C
/*-*- 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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} 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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}
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}
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}
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