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lib: Add SBIUnit testing macros and functions

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This patch introduces all of the SBIUnit macros and functions which
can be used during the test development process. Also, it defines
the 'run_all_tests' function, which is being called during the
'init_coldboot' right after printing the boot hart information.

Also, add the CONFIG_SBIUNIT Kconfig entry in order to be able to
turn the tests on and off. When the CONFIG_SBIUNIT is disabled,
the tests and all related code is excluded completely on the
compilation stage.

Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
This commit is contained in:
Ivan Orlov
2024-03-04 21:45:49 +00:00
committed by Anup Patel
parent b9e4de0641
commit 874fcefdf5
6 changed files with 126 additions and 0 deletions
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4
lib/sbi/Kconfig
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@@ -50,4 +50,8 @@ config SBI_ECALL_DBTR
bool "Debug Trigger Extension"
default y
config SBIUNIT
bool "Enable SBIUNIT tests"
default n
endmenu

2
lib/sbi/objects.mk
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@@ -11,6 +11,8 @@ libsbi-objs-y += riscv_asm.o
libsbi-objs-y += riscv_atomic.o
libsbi-objs-y += riscv_hardfp.o
libsbi-objs-y += riscv_locks.o
libsbi-objs-$(CONFIG_SBIUNIT) += sbi_unit_test.o
libsbi-objs-$(CONFIG_SBIUNIT) += sbi_unit_tests.o
libsbi-objs-y += sbi_ecall.o
libsbi-objs-y += sbi_ecall_exts.o

3
lib/sbi/sbi_init.c
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@@ -29,6 +29,7 @@
#include <sbi/sbi_timer.h>
#include <sbi/sbi_tlb.h>
#include <sbi/sbi_version.h>
#include <sbi/sbi_unit_test.h>
#define BANNER \
" ____ _____ ____ _____\n" \
@@ -398,6 +399,8 @@ static void __noreturn init_coldboot(struct sbi_scratch *scratch, u32 hartid)
sbi_boot_print_hart(scratch, hartid);
run_all_tests();
/*
* Configure PMP at last because if SMEPMP is detected,
* M-mode access to the S/U space will be rescinded.

43
lib/sbi/sbi_unit_test.c Normal file
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@@ -0,0 +1,43 @@
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Author: Ivan Orlov <ivan.orlov0322@gmail.com>
*/
#include <sbi/sbi_unit_test.h>
#include <sbi/sbi_types.h>
#include <sbi/sbi_console.h>
extern struct sbiunit_test_suite *sbi_unit_tests[];
extern unsigned long sbi_unit_tests_size;
static void run_test_suite(struct sbiunit_test_suite *suite)
{
struct sbiunit_test_case *s_case;
u32 count_pass = 0, count_fail = 0;
sbi_printf("## Running test suite: %s\n", suite->name);
s_case = suite->cases;
while (s_case->test_func) {
s_case->test_func(s_case);
if (s_case->failed)
count_fail++;
else
count_pass++;
sbi_printf("[%s] %s\n", s_case->failed ? "FAILED" : "PASSED",
s_case->name);
s_case++;
}
sbi_printf("%u PASSED / %u FAILED / %u TOTAL\n", count_pass, count_fail,
count_pass + count_fail);
}
void run_all_tests(void)
{
u32 i;
sbi_printf("\n# Running SBIUNIT tests #\n");
for (i = 0; i < sbi_unit_tests_size; i++)
run_test_suite(sbi_unit_tests[i]);
}

3
lib/sbi/sbi_unit_tests.carray Normal file
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@@ -0,0 +1,3 @@
HEADER: sbi/sbi_unit_test.h
TYPE: struct sbiunit_test_suite
NAME: sbi_unit_tests