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Diffstat (limited to 'hwaccess_x86_io_unittest.h')
| -rw-r--r-- | hwaccess_x86_io_unittest.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/hwaccess_x86_io_unittest.h b/hwaccess_x86_io_unittest.h new file mode 100644 index 000000000..7bffc963a --- /dev/null +++ b/hwaccess_x86_io_unittest.h @@ -0,0 +1,52 @@ +/* + * This file is part of the flashrom project. + * + * Copyright 2021 Google LLC + * + * 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 header is used instead of hwaccess_x86_io.h for unit tests + * (see flashrom_test_dep in meson.build). + * + * There is no hardware in unit test environment and all hardware operations + * need to be mocked. + */ + +/* + * The same guard is used intentionally for hwaccess_x86_io.h and + * hwaccess_x86_io_unittest.h. When build is made for the test environment, + * hwaccess_x86_io_unittest.h is included first, and it effectively + * replaces hwaccess_x86_io.h. + */ +#ifndef __HWACCESS_X86_IO_H__ +#define __HWACCESS_X86_IO_H__ 1 + +#define OUTB(v, p) test_outb(v, p) +#define OUTW(v, p) test_outw(v, p) +#define OUTL(v, p) test_outl(v, p) +#define INB(p) test_inb(p) +#define INW(p) test_inw(p) +#define INL(p) test_inl(p) + +#include <stdint.h> +#include <sys/io.h> + +/* All functions below are mocked in unit tests. */ + +void test_outb(uint8_t value, uint16_t port); +uint8_t test_inb(uint16_t port); +void test_outw(uint16_t value, uint16_t port); +uint16_t test_inw(uint16_t port); +void test_outl(uint32_t value, uint16_t port); +uint32_t test_inl(uint16_t port); + +#endif /* !__HWACCESS_X86_IO_H__ */ |