f3d6b44e2b
This is source compatible with the current proposal for glibc. Bug: https://github.com/google/android-riscv64/issues/27 Test: treehugger Change-Id: I428777e4eac1fe643d442a93a4b3ad1fdf0ffd97
62 lines
2.7 KiB
C++
62 lines
2.7 KiB
C++
/*
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* Copyright (C) 2023 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <gtest/gtest.h>
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#if __has_include(<sys/hwprobe.h>)
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#include <sys/hwprobe.h>
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#endif
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TEST(sys_hwprobe, __riscv_hwprobe) {
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#if defined(__riscv) && __has_include(<sys/cachectl.h>)
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riscv_hwprobe probes[] = {{.key = RISCV_HWPROBE_KEY_IMA_EXT_0},
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{.key = RISCV_HWPROBE_KEY_CPUPERF_0}};
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ASSERT_EQ(0, __riscv_hwprobe(probes, 2, 0, nullptr, 0));
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EXPECT_EQ(RISCV_HWPROBE_KEY_IMA_EXT_0, probes[0].key);
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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_IMA_FD) != 0);
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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_IMA_C) != 0);
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// TODO: remove #define when our uapi headers are new enough.
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#define RISCV_HWPROBE_IMA_V (1 << 2)
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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_IMA_V) != 0);
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// TODO: remove #ifs when our kernel is new enough.
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#if defined(RISCV_HWPROBE_EXT_ZBA)
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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_EXT_ZBA) != 0);
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#endif
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#if defined(RISCV_HWPROBE_EXT_ZBB)
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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_EXT_ZBB) != 0);
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#endif
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#if defined(RISCV_HWPROBE_EXT_ZBS)
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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_EXT_ZBS) != 0);
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#endif
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EXPECT_EQ(RISCV_HWPROBE_KEY_CPUPERF_0, probes[1].key);
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EXPECT_TRUE((probes[1].value & RISCV_HWPROBE_MISALIGNED_MASK) == RISCV_HWPROBE_MISALIGNED_FAST);
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#else
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GTEST_SKIP() << "__riscv_hwprobe requires riscv64";
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#endif
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}
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