3ef682790e
We have newer uapi headers now. Test: treehugger Change-Id: Ic5d602f3a97a860ee9f1ad5b791b46013f25e743
85 lines
3.7 KiB
C++
85 lines
3.7 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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#include <sys/syscall.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/hwprobe.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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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_IMA_V) != 0);
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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_EXT_ZBA) != 0);
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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_EXT_ZBB) != 0);
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EXPECT_TRUE((probes[0].value & RISCV_HWPROBE_EXT_ZBS) != 0);
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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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TEST(sys_hwprobe, __riscv_hwprobe_syscall_vdso) {
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#if defined(__riscv) && __has_include(<sys/hwprobe.h>)
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riscv_hwprobe probes_vdso[] = {{.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_vdso, 2, 0, nullptr, 0));
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riscv_hwprobe probes_syscall[] = {{.key = RISCV_HWPROBE_KEY_IMA_EXT_0},
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{.key = RISCV_HWPROBE_KEY_CPUPERF_0}};
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ASSERT_EQ(0, syscall(SYS_riscv_hwprobe, probes_syscall, 2, 0, nullptr, 0));
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// Check we got the same answers from the vdso and the syscall.
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EXPECT_EQ(RISCV_HWPROBE_KEY_IMA_EXT_0, probes_syscall[0].key);
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EXPECT_EQ(probes_vdso[0].key, probes_syscall[0].key);
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EXPECT_EQ(probes_vdso[0].value, probes_syscall[0].value);
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EXPECT_EQ(RISCV_HWPROBE_KEY_CPUPERF_0, probes_syscall[1].key);
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EXPECT_EQ(probes_vdso[1].key, probes_syscall[1].key);
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EXPECT_EQ(probes_vdso[1].value, probes_syscall[1].value);
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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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TEST(sys_hwprobe, __riscv_hwprobe_fail) {
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#if defined(__riscv) && __has_include(<sys/hwprobe.h>)
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riscv_hwprobe probes[] = {};
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ASSERT_EQ(EINVAL, __riscv_hwprobe(probes, 0, 0, nullptr, ~0));
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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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