diff options
Diffstat (limited to 'sys/include/arch/amd64/io.h')
-rw-r--r-- | sys/include/arch/amd64/io.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/sys/include/arch/amd64/io.h b/sys/include/arch/amd64/io.h deleted file mode 100644 index c24c08d..0000000 --- a/sys/include/arch/amd64/io.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * 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 _AMD64_IO_H_ -#define _AMD64_IO_H_ - -#include <sys/types.h> -#include <sys/cdefs.h> - -static inline uint8_t -inb(uint16_t port) -{ - uint8_t result; - __asm__("in %%dx, %%al" : "=a" (result) : "d" (port)); - return result; -} - -static inline void -outb(uint16_t port, uint8_t data) -{ - __asm__("out %%al, %%dx" : :"a" (data), "d" (port)); -} - -static inline void -outw(uint16_t port, uint16_t data) -{ - __ASMV("outw %w0, %w1" : : "a" (data), "Nd" (port)); -} - -static inline uint16_t -inw(uint16_t port) -{ - uint16_t data; - __ASMV("inw %w1, %w0" : "=a" (data) : "Nd" (port)); - return data; -} - -static inline void -outl(uint16_t port, uint32_t data) -{ - __ASMV("outl %0, %w1" : : "a" (data), "Nd" (port)); -} - -static inline uint32_t -inl(uint16_t port) -{ - uint32_t data; - __ASMV("inl %w1, %0" : "=a" (data) : "Nd" (port)); - return data; -} - -#endif /* !_AMD64_IO_H_ */ |