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gpu: nvgpu: add unit test for nvgpu_wrapping_add_u32

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Add BVEC unit test for the function nvgpu_wrapping_add_u32.

JIRA NVGPU-7211

Change-Id: I5c4c870c75b3e7643a771110b2c0d248c1f8cb56
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2614166
(cherry picked from commit f6a2fae67c3dd0d3f11deba2cb943a8c6420fda5)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2623633
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Sagar Kamble
2021-10-21 10:22:52 +05:30
committed by mobile promotions
parent d944313a54
commit a1e75fe9bc
2 changed files with 30 additions and 1 deletions
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28
userspace/units/interface/static_analysis/static_analysis.c
View File

@@ -57,6 +57,31 @@
unit_assert(err != 0, return UNIT_FAIL); \
} while (0)
/**
* wrapping unsigned addition tests
*
* parameters:
* type_name: type (u8, u32 etc.)
* type_max : Maximum value of the type.
* tmp_operand: random value in the set (1, Maximum value)
*
* Boundary values: (0, 1, max-1, max)
*
* Valid tests: Addition result within range for each boundary value and
* random value. Addition result wrapping for each boundary
* and random value.
*/
#define GENERATE_ARITHMETIC_WRAPPING_ADD_TESTS(type_name, type_max, tmp_operand) do {\
unit_assert(nvgpu_wrapping_add_##type_name(type_max, 0) == type_max, return UNIT_FAIL); \
unit_assert(nvgpu_wrapping_add_##type_name(type_max - 1, 1) == type_max, return UNIT_FAIL); \
unit_assert(nvgpu_wrapping_add_##type_name(type_max - tmp_operand, tmp_operand) == type_max, \
return UNIT_FAIL); \
unit_assert(nvgpu_wrapping_add_##type_name(1, type_max) == 0, return UNIT_FAIL); \
unit_assert(nvgpu_wrapping_add_##type_name(tmp_operand, type_max - tmp_operand + 1) == 0, return UNIT_FAIL); \
unit_assert(nvgpu_wrapping_add_##type_name(type_max - 1, 2) == 0, return UNIT_FAIL); \
unit_assert(nvgpu_wrapping_add_##type_name(type_max, type_max) == (type_max - 1), return UNIT_FAIL); \
} while (0)
/**
* signed addition tests
*
@@ -329,6 +354,9 @@ int test_arithmetic(struct unit_module *m, struct gk20a *g, void *args)
/* U32 add */
GENERATE_ARITHMETIC_ADD_TESTS(u32, U32_MAX, tmp_u32);
/* wrapping U32 add */
GENERATE_ARITHMETIC_WRAPPING_ADD_TESTS(u32, U32_MAX, tmp_u32);
/* S32 add */
GENERATE_ARITHMETIC_SIGNED_ADD_TESTS(s32, INT_MIN, INT_MAX, tmp_s32, tmp_s32_neg);

3
userspace/units/interface/static_analysis/static_analysis.h
View File

@@ -42,7 +42,8 @@ struct unit_module;
* Targets: nvgpu_safe_sub_u8, nvgpu_safe_add_u32, nvgpu_safe_add_s32,
* nvgpu_safe_sub_u32, nvgpu_safe_sub_s32, nvgpu_safe_mult_u32,
* nvgpu_safe_add_u64, nvgpu_safe_add_s64, nvgpu_safe_sub_u64,
* nvgpu_safe_sub_s64, nvgpu_safe_mult_u64, nvgpu_safe_mult_s64
* nvgpu_safe_sub_s64, nvgpu_safe_mult_u64, nvgpu_safe_mult_s64,
* nvgpu_wrapping_add_u32
*
* Input: None
*