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49d758698a
Allow port I/O related code to be compiled independent from memory mapping functionality. This enables for a better selection of needed hardware access types. Change-Id: I372b4a409f036da766c42bc406b596bc41b0f75a Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com> Reviewed-on: https://review.coreboot.org/c/flashrom/+/60110 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright 2021 Google LLC
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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/*
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* This header is used instead of hwaccess_x86_io.h for unit tests
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* (see flashrom_test_dep in meson.build).
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*
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* There is no hardware in unit test environment and all hardware operations
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* need to be mocked.
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*/
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/*
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* The same guard is used intentionally for hwaccess_x86_io.h and
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* hwaccess_x86_io_unittest.h. When build is made for the test environment,
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* hwaccess_x86_io_unittest.h is included first, and it effectively
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* replaces hwaccess_x86_io.h.
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*/
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#ifndef __HWACCESS_X86_IO_H__
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#define __HWACCESS_X86_IO_H__ 1
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#define OUTB(v, p) test_outb(v, p)
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#define OUTW(v, p) test_outw(v, p)
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#define OUTL(v, p) test_outl(v, p)
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#define INB(p) test_inb(p)
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#define INW(p) test_inw(p)
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#define INL(p) test_inl(p)
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#include <stdint.h>
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int rget_io_perms(void);
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/*
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* Dummy implementation of iopl from sys/io.h.
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* sys/io.h by itself is platform-specific, so instead of including
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* the header we just have this dummy function, which is sufficient
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* for test purposes.
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*/
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static inline int iopl(int level)
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{
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return 0;
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}
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/* All functions below are mocked in unit tests. */
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void test_outb(uint8_t value, uint16_t port);
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uint8_t test_inb(uint16_t port);
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void test_outw(uint16_t value, uint16_t port);
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uint16_t test_inw(uint16_t port);
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void test_outl(uint32_t value, uint16_t port);
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uint32_t test_inl(uint16_t port);
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#endif /* !__HWACCESS_X86_IO_H__ */
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