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Diffstat (limited to 'include/hwaccess_x86_io.h')
| -rw-r--r-- | include/hwaccess_x86_io.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/hwaccess_x86_io.h b/include/hwaccess_x86_io.h new file mode 100644 index 000000000..31d1e86c8 --- /dev/null +++ b/include/hwaccess_x86_io.h @@ -0,0 +1,37 @@ +/* + * This file is part of the flashrom project. + * + * Copyright (C) 2009 Carl-Daniel Hailfinger + * Copyright (C) 2022 secunet Security Networks AG + * (Written by Thomas Heijligen <thomas.heijligen@secunet.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* + * This file contains prototypes for x86 I/O Port access. + */ + +#ifndef __HWACCESS_X86_IO_H__ +#define __HWACCESS_X86_IO_H__ 1 + +#include <stdint.h> +/** + */ +int rget_io_perms(void); + +void OUTB(uint8_t value, uint16_t port); +void OUTW(uint16_t value, uint16_t port); +void OUTL(uint32_t value, uint16_t port); +uint8_t INB(uint16_t port); +uint16_t INW(uint16_t port); +uint32_t INL(uint16_t port); + +#endif /* __HWACCESS_X86_IO_H__ */ |