62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/*
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* Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef LIBC_H
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#define LIBC_H
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/* Integer types */
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typedef unsigned long long uint64_t;
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typedef unsigned int uint32_t;
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typedef unsigned short uint16_t;
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typedef unsigned char uint8_t;
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typedef signed long long int64_t;
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typedef signed int int32_t;
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typedef signed short int16_t;
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typedef signed char int8_t;
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typedef uint32_t uintptr_t;
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/* stdarg.h */
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typedef __builtin_va_list va_list;
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#define va_start(ap, X) __builtin_va_start(ap, X)
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#define va_arg(ap, type) __builtin_va_arg(ap, type)
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#define va_end(ap) __builtin_va_end(ap)
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/* Port I/O functions */
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static inline void outb(uint16_t port, uint8_t data)
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{
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asm volatile ("outb %0, %1" : : "a" (data), "Nd" (port));
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}
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/* Misc functions */
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void printf(const char *fmt, ...);
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#endif
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