mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-22 17:36:20 +03:00
282 lines
10 KiB
C
282 lines
10 KiB
C
/*
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* Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <unit/unit.h>
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#include <unit/io.h>
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#include <nvgpu/posix/io.h>
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#include <nvgpu/gk20a.h>
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#include <nvgpu/static_analysis.h>
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#include "static_analysis.h"
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int test_arithmetic(struct unit_module *m, struct gk20a *g, void *args)
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{
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int err;
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/* U8 sub */
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unit_assert(nvgpu_safe_sub_u8(1, 1) == 0, return UNIT_FAIL);
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unit_assert(nvgpu_safe_sub_u8(U8_MAX, U8_MAX) == 0,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_sub_u8(0, 1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U32 add */
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unit_assert(nvgpu_safe_add_u32(U32_MAX-1, 1) == U32_MAX,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_add_u32(U32_MAX, 0) == U32_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_add_u32(U32_MAX, 1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S32 add */
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unit_assert(nvgpu_safe_add_s32(INT_MAX-1, 1) == INT_MAX,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_add_s32(INT_MAX, 0) == INT_MAX,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_add_s32(INT_MIN+1, -1) == INT_MIN,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_add_s32(INT_MAX, 1));
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unit_assert(err != 0, return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_add_s32(INT_MIN, -1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U32 sub */
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unit_assert(nvgpu_safe_sub_u32(1, 1) == 0, return UNIT_FAIL);
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unit_assert(nvgpu_safe_sub_u32(U32_MAX, U32_MAX) == 0,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_sub_u32(0, 1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S32 sub */
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unit_assert(nvgpu_safe_sub_s32(INT_MIN+1, 1) == INT_MIN,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_sub_s32(INT_MAX-1, -1) == INT_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_sub_s32(INT_MIN, 1));
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unit_assert(err != 0, return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_sub_s32(INT_MAX, -1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U32 Mult */
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unit_assert(nvgpu_safe_mult_u32(0, 0) == 0,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_mult_u32(U32_MAX, 0) == 0,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_mult_u32(U32_MAX, 1) == U32_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_mult_u32(U32_MAX, 2));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U64 add */
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unit_assert(nvgpu_safe_add_u64(U64_MAX-1, 1) == U64_MAX,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_add_u64(U64_MAX, 0) == U64_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_add_u64(U64_MAX, 1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S64 add */
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unit_assert(nvgpu_safe_add_s64(LONG_MAX-1, 1) == LONG_MAX,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_add_s64(LONG_MAX, 0) == LONG_MAX,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_add_s64(LONG_MIN+1, -1) == LONG_MIN,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_add_s64(LONG_MAX, 1));
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unit_assert(err != 0, return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_add_s64(LONG_MIN, -1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U64 sub */
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unit_assert(nvgpu_safe_sub_u64(1, 1) == 0, return UNIT_FAIL);
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unit_assert(nvgpu_safe_sub_u64(U64_MAX, U64_MAX) == 0,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_sub_u64(0, 1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S64 sub */
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unit_assert(nvgpu_safe_sub_s64(LONG_MIN+1, 1) == LONG_MIN,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_sub_s64(LONG_MAX-1, -1) == LONG_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_sub_s64(LONG_MIN, 1));
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unit_assert(err != 0, return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_sub_s64(LONG_MAX, -1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U64 Mult */
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unit_assert(nvgpu_safe_mult_u64(0, 0) == 0,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_mult_u64(U64_MAX, 0) == 0,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_mult_u64(U64_MAX, 1) == U64_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_mult_u64(U64_MAX, 2));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S64 Mult */
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unit_assert(nvgpu_safe_mult_s64(LONG_MAX, 1) == LONG_MAX,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_mult_s64(LONG_MAX, -1) == (-1 * LONG_MAX),
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_mult_s64(-1, LONG_MAX) == (-1 * LONG_MAX),
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_mult_s64(0, LONG_MAX) == 0,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_mult_s64(-1, -1) == 1,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_mult_s64(0, -1) == 0,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_mult_s64(LONG_MAX, 2));
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unit_assert(err != 0, return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_mult_s64(LONG_MAX, -2));
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unit_assert(err != 0, return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_mult_s64(-1*LONG_MAX, 2));
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unit_assert(err != 0, return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_mult_s64(-1*LONG_MAX, -2));
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unit_assert(err != 0, return UNIT_FAIL);
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return UNIT_SUCCESS;
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}
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int test_cast(struct unit_module *m, struct gk20a *g, void *args)
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{
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int err;
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/* U64 to U32 */
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unit_assert(nvgpu_safe_cast_u64_to_u32(U32_MAX) == U32_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_u64_to_u32(U64(U32_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U64 to U16 */
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unit_assert(nvgpu_safe_cast_u64_to_u16(U16_MAX) == U16_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_u64_to_u16(U64(U16_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U64 to U8 */
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unit_assert(nvgpu_safe_cast_u64_to_u8(U8_MAX) == U8_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_u64_to_u8(U64(U8_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U64 to S64 */
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unit_assert(nvgpu_safe_cast_u64_to_s64(LONG_MAX) == LONG_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_u64_to_s64(U64(LONG_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U64 to S32 */
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unit_assert(nvgpu_safe_cast_u64_to_s32(INT_MAX) == INT_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_u64_to_s32(U64(INT_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S64 to U64 */
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unit_assert(nvgpu_safe_cast_s64_to_u64(LONG_MAX) == LONG_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_s64_to_u64(-1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S64 to U32 */
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unit_assert(nvgpu_safe_cast_s64_to_u32(U32_MAX) == U32_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_s64_to_u32(-1));
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unit_assert(err != 0, return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_s64_to_u32(U64(U32_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S64 to S32 */
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unit_assert(nvgpu_safe_cast_s64_to_s32(INT_MAX) == INT_MAX,
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return UNIT_FAIL);
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unit_assert(nvgpu_safe_cast_s64_to_s32(INT_MIN) == INT_MIN,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_s64_to_s32(S64(INT_MIN)-1));
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unit_assert(err != 0, return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_s64_to_s32(S64(INT_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U32 to U16 */
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unit_assert(nvgpu_safe_cast_u32_to_u16(U16_MAX) == U16_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_u32_to_u16(U64(U16_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U32 to U8 */
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unit_assert(nvgpu_safe_cast_u32_to_u8(U8_MAX) == U8_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_u32_to_u8(U64(U8_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U32 to S32 */
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unit_assert(nvgpu_safe_cast_u32_to_s32(INT_MAX) == INT_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_u32_to_s32(U32(INT_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* U32 to S8 */
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unit_assert(nvgpu_safe_cast_u32_to_s8(SCHAR_MAX) == SCHAR_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_u32_to_s8(U32(SCHAR_MAX)+1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S32 to U64 */
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unit_assert(nvgpu_safe_cast_s32_to_u64(INT_MAX) == INT_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_s32_to_u64(-1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S32 to U32 */
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unit_assert(nvgpu_safe_cast_s32_to_u32(INT_MAX) == INT_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_s32_to_u32(-1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* S8 to U8 */
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unit_assert(nvgpu_safe_cast_s8_to_u8(SCHAR_MAX) == SCHAR_MAX,
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return UNIT_FAIL);
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err = EXPECT_BUG((void)nvgpu_safe_cast_s8_to_u8(-1));
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unit_assert(err != 0, return UNIT_FAIL);
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/* bool to U32 */
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unit_assert(nvgpu_safe_cast_bool_to_u32(false) == 0, return UNIT_FAIL);
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unit_assert(nvgpu_safe_cast_bool_to_u32(true) == 1, return UNIT_FAIL);
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return UNIT_SUCCESS;
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}
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int test_safety_checks(struct unit_module *m, struct gk20a *g, void *args)
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{
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nvgpu_safety_checks();
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return UNIT_SUCCESS;
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}
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struct unit_module_test static_analysis_tests[] = {
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UNIT_TEST(arithmetic, test_arithmetic, NULL, 0),
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UNIT_TEST(cast, test_cast, NULL, 0),
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UNIT_TEST(safety_checks, test_safety_checks, NULL, 0),
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};
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UNIT_MODULE(static_analysis, static_analysis_tests, UNIT_PRIO_NVGPU_TEST); |