mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-27 06:48:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Initial import

Browse source
This commit is contained in:
Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
14915 changed files with 590219 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

56
third_party/xed/x86isa.c vendored Normal file
View file

@ -0,0 +1,56 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2018 Intel Corporation │
│ Copyright 2019 Justine Alexandra Roberts Tunney │
│ │
│ Licensed under the Apache License, Version 2.0 (the "License"); │
│ you may not use this file except in compliance with the License. │
│ You may obtain a copy of the License at │
│ │
│ http://www.apache.org/licenses/LICENSE-2.0 │
│ │
│ Unless required by applicable law or agreed to in writing, software │
│ distributed under the License is distributed on an "AS IS" BASIS, │
│ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. │
│ See the License for the specific language governing permissions and │
│ limitations under the License. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "third_party/xed/x86.h"
asm(".ident\t\"\\n\\n\
Xed (Apache 2.0)\\n\
Copyright 2018 Intel Corporation\\n\
Copyright 2019 Justine Alexandra Roberts Tunney\\n\
Modifications: Trimmed down to 3kb [2019-03-22 jart]\"");
asm(".include \"libc/disclaimer.inc\"");
bool xed_isa_set_is_valid_for_chip(enum XedIsaSet isa_set, enum XedChip chip) {
unsigned n, r;
n = isa_set / 64;
r = isa_set - (64 * n);
return !!(xed_chip_features[chip][n] & (1ul << r));
}
bool xed_test_chip_features(struct XedChipFeatures *p, enum XedIsaSet isa_set) {
unsigned n, r;
n = isa_set / 64;
r = isa_set - (64 * n);
return !!(p->f[n] & (1ul << r));
}
void xed_get_chip_features(struct XedChipFeatures *p, enum XedChip chip) {
if (p) {
if (chip < XED_CHIP_LAST) {
p->f[0] = xed_chip_features[chip][0];
p->f[1] = xed_chip_features[chip][1];
p->f[2] = xed_chip_features[chip][2];
p->f[3] = 0;
} else {
p->f[0] = 0;
p->f[1] = 0;
p->f[2] = 0;
p->f[3] = 0;
}
}
}