diff options
| author | Ian Moffett <ian@osmora.org> | 2024-06-24 23:00:41 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2024-06-24 23:00:41 -0400 |
| commit | 963478ff0ad358fc3a44ff5dba0c64ddc889f296 (patch) | |
| tree | a14c3ea6feb7d1b783364737fcefabce249473ff /sys/include/arch/amd64/cpuid.h | |
| parent | 236963e7563be3e3f8220dac7bb4af446928e194 (diff) | |
| parent | 6f6a36d1e8b3dd50cb4d394fa1de4888663b4ea5 (diff) | |
Import hyra expt
Diffstat (limited to 'sys/include/arch/amd64/cpuid.h')
| -rw-r--r-- | sys/include/arch/amd64/cpuid.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/cpuid.h b/sys/include/arch/amd64/cpuid.h new file mode 100644 index 0000000..d1a752b --- /dev/null +++ b/sys/include/arch/amd64/cpuid.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _MACHINE_CPUID_H_ +#define _MACHINE_CPUID_H_ + +#include <sys/cdefs.h> + +#define CPUID(level, a, b, c, d) \ + __ASMV("cpuid\n\t" \ + : "=a" (a), "=b" (b), "=c" (c), "=d" (d) \ + : "0" (level)) + +#endif /* !_MACHINE_CPUID_H_ */ |