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lib: add tests for sbi_ecall functionality

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This patch adds unit tests for verifying the sbi_ecall version,
impid handling, and extension registration functions. The tests
ensure that the extension registration and unregistration work
as expected.

Signed-off-by: Akshay Behl <akshaybehl231@gmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Akshay Behl
2025-03-23 16:48:51 +05:30
committed by Anup Patel
parent 1ad1991244
commit 0b78665a6c
3 changed files with 56 additions and 1 deletions
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5
lib/sbi/tests/objects.mk
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@@ -14,4 +14,7 @@ carray-sbi_unit_tests-$(CONFIG_SBIUNIT) += locks_test_suite
libsbi-objs-$(CONFIG_SBIUNIT) += tests/riscv_locks_test.o
carray-sbi_unit_tests-$(CONFIG_SBIUNIT) += math_test_suite
libsbi-objs-$(CONFIG_SBIUNIT) += tests/sbi_math_test.o
libsbi-objs-$(CONFIG_SBIUNIT) += tests/sbi_math_test.o
carray-sbi_unit_tests-$(CONFIG_SBIUNIT) += ecall_test_suite
libsbi-objs-$(CONFIG_SBIUNIT) += tests/sbi_ecall_test.o

50
lib/sbi/tests/sbi_ecall_test.c Normal file
View File

@@ -0,0 +1,50 @@
#include <sbi/sbi_unit_test.h>
#include <sbi/sbi_ecall.h>
#include <sbi/sbi_ecall_interface.h>
static void test_sbi_ecall_version(struct sbiunit_test_case *test)
{
SBIUNIT_EXPECT_EQ(test, sbi_ecall_version_major(), SBI_ECALL_VERSION_MAJOR);
SBIUNIT_EXPECT_EQ(test, sbi_ecall_version_minor(), SBI_ECALL_VERSION_MINOR);
}
static void test_sbi_ecall_impid(struct sbiunit_test_case *test)
{
unsigned long old_impid = sbi_ecall_get_impid();
sbi_ecall_set_impid(42);
SBIUNIT_EXPECT_EQ(test, sbi_ecall_get_impid(), 42);
sbi_ecall_set_impid(old_impid);
}
static int dummy_handler(unsigned long extid, unsigned long funcid,
struct sbi_trap_regs *regs,
struct sbi_ecall_return *out)
{
return 0;
}
static void test_sbi_ecall_register_find_extension(struct sbiunit_test_case *test)
{
struct sbi_ecall_extension test_ext = {
/* Use experimental extension space for no overlap */
.extid_start = SBI_EXT_EXPERIMENTAL_START,
.extid_end = SBI_EXT_EXPERIMENTAL_START,
.name = "TestExt",
.handle = dummy_handler,
};
SBIUNIT_EXPECT_EQ(test, sbi_ecall_register_extension(&test_ext), 0);
SBIUNIT_EXPECT_EQ(test, sbi_ecall_find_extension(SBI_EXT_EXPERIMENTAL_START), &test_ext);
sbi_ecall_unregister_extension(&test_ext);
SBIUNIT_EXPECT_EQ(test, sbi_ecall_find_extension(SBI_EXT_EXPERIMENTAL_START), NULL);
}
static struct sbiunit_test_case ecall_tests[] = {
SBIUNIT_TEST_CASE(test_sbi_ecall_version),
SBIUNIT_TEST_CASE(test_sbi_ecall_impid),
SBIUNIT_TEST_CASE(test_sbi_ecall_register_find_extension),
SBIUNIT_END_CASE,
};
SBIUNIT_TEST_SUITE(ecall_test_suite, ecall_tests);