// SPDX-License-Identifier: GPL-2.0
//
// regmap KUnit tests
//
// Copyright 2023 Arm Ltd
#include <kunit/test.h>
#include "internal.h"
#define BLOCK_TEST_SIZE 12
static void get_changed_bytes(void *orig, void *new, size_t size)
{
char *o = orig;
char *n = new;
int i;
get_random_bytes(new, size);
/*
* This could be nicer and more efficient but we shouldn't
* super care.
*/
for (i = 0; i < size; i++)
while (n[i] == o[i])
get_random_bytes(&n[i], 1);
}
static const struct regmap_config test_regmap_config = {
.max_register = BLOCK_TEST_SIZE,
.reg_stride = 1,
.val_bits = sizeof(unsigned int) * 8,
};
struct regcache_types {
enum regcache_type type;
const char *name;
};
static void case_to_desc(const struct regcache_types *t, char *desc)
{
strcpy(desc, t->name);
}
static const struct regcache_types regcache_types_list[] = {
{ REGCACHE_NONE, "none" },
{ REGCACHE_FLAT, "flat" },
{ REGCACHE_RBTREE, "rbtree" },
{ REGCACHE_MAPLE, "maple" },
};
KUNIT_ARRAY_PARAM(regcache_types, regcache_types_list, case_to_desc);
static const struct regcache_types real_cache_types_list[] = {
{ REGCACHE_FLAT, "flat" },
{ REGCACHE_RBTREE, "rbtree" },
{ REGCACHE_MAPLE, "maple" },
};
KUNIT_ARRAY_PARAM(real_cache_types, real_cache_types_list, case_to_desc);
static const struct regcache_types sparse_cache_types_list[] = {
{ REGCACHE_RBTREE, "rbtree" },
{ REGCACHE_MAPLE, "maple" },
};
KUNIT_ARRAY_PARAM(sparse_cache_types, sparse_cache_types_list, case_to_desc);
static struct regmap *gen_regmap(struct regmap_config *config,
struct regmap_ram_data **data)
{
unsigned int *buf;
struct regmap *ret;
size_t size = (config->max_register + 1) * sizeof(unsigned int);