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selftests: riscv: Fix vector tests

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Overhaul the riscv vector tests to use kselftest_harness to help the
test cases correctly report the results and decouple the individual test
cases from each other. With this refactoring, only run the test cases if
vector is reported and properly report the test case as skipped
otherwise. The v_initval_nolibc test was previously not checking if
vector was supported and used a function (malloc) which invalidates
the state of the vector registers.

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Yangyu Chen <cyy@cyyself.name>
Link: https://lore.kernel.org/r/20241113-xtheadvector-v11-12-236c22791ef9@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Charlie Jenkins
2024-11-13 18:21:18 -08:00
committed by Palmer Dabbelt
parent 7fa00fd6ff
commit 57d7713af9
8 changed files with 338 additions and 194 deletions
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17
tools/testing/selftests/riscv/vector/Makefile
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@@ -2,18 +2,27 @@
# Copyright (C) 2021 ARM Limited
# Originally tools/testing/arm64/abi/Makefile
TEST_GEN_PROGS := vstate_prctl v_initval_nolibc
TEST_GEN_PROGS_EXTENDED := vstate_exec_nolibc
TEST_GEN_PROGS := v_initval vstate_prctl
TEST_GEN_PROGS_EXTENDED := vstate_exec_nolibc v_exec_initval_nolibc
include ../../lib.mk
$(OUTPUT)/vstate_prctl: vstate_prctl.c ../hwprobe/sys_hwprobe.S
$(OUTPUT)/sys_hwprobe.o: ../hwprobe/sys_hwprobe.S
$(CC) -static -c -o$@ $(CFLAGS) $^
$(OUTPUT)/v_helpers.o: v_helpers.c
$(CC) -static -c -o$@ $(CFLAGS) $^
$(OUTPUT)/vstate_prctl: vstate_prctl.c $(OUTPUT)/sys_hwprobe.o $(OUTPUT)/v_helpers.o
$(CC) -static -o$@ $(CFLAGS) $(LDFLAGS) $^
$(OUTPUT)/vstate_exec_nolibc: vstate_exec_nolibc.c
$(CC) -nostdlib -static -include ../../../../include/nolibc/nolibc.h \
-Wall $(CFLAGS) $(LDFLAGS) $^ -o $@ -lgcc
$(OUTPUT)/v_initval_nolibc: v_initval_nolibc.c
$(OUTPUT)/v_initval: v_initval.c $(OUTPUT)/sys_hwprobe.o $(OUTPUT)/v_helpers.o
$(CC) -static -o$@ $(CFLAGS) $(LDFLAGS) $^
$(OUTPUT)/v_exec_initval_nolibc: v_exec_initval_nolibc.c
$(CC) -nostdlib -static -include ../../../../include/nolibc/nolibc.h \
-Wall $(CFLAGS) $(LDFLAGS) $^ -o $@ -lgcc