#include "alloc_api.h"
static int alloc_test_flags = TEST_F_NONE;
static inline const char * const get_memblock_alloc_name(int flags)
{
if (flags & TEST_F_RAW)
return "memblock_alloc_raw";
return "memblock_alloc";
}
static inline void *run_memblock_alloc(phys_addr_t size, phys_addr_t align)
{
if (alloc_test_flags & TEST_F_RAW)
return memblock_alloc_raw(size, align);
return memblock_alloc(size, align);
}
static int alloc_top_down_simple_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
void *allocated_ptr = NULL;
phys_addr_t size = SZ_2;
phys_addr_t expected_start;
PREFIX_PUSH();
setup_memblock();
expected_start = memblock_end_of_DRAM() - SMP_CACHE_BYTES;
allocated_ptr = run_memblock_alloc(size, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, size, alloc_test_flags);
ASSERT_EQ(rgn->size, size);
ASSERT_EQ(rgn->base, expected_start);
ASSERT_EQ(memblock.reserved.cnt, 1);
ASSERT_EQ(memblock.reserved.total_size, size);
test_pass_pop();
return 0;
}
static int alloc_top_down_disjoint_check(void)
{
struct memblock_region *rgn1 = &memblock.reserved.regions[1];
struct memblock_region *rgn2 = &memblock.reserved.regions[0];
struct region r1;
void *allocated_ptr = NULL;
phys_addr_t r2_size = SZ_16;
phys_addr_t alignment = SMP_CACHE_BYTES * 2;
phys_addr_t total_size;
phys_addr_t expected_start;
PREFIX_PUSH();
setup_memblock();
r1.base = memblock_end_of_DRAM() - SZ_2;
r1.size = SZ_2;
total_size = r1.size + r2_size;
expected_start = memblock_end_of_DRAM() - alignment;
memblock_reserve(r1.base, r1.size);
allocated_ptr = run_memblock_alloc(r2_size, alignment);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, r2_size, alloc_test_flags);
ASSERT_EQ(rgn1->size, r1.size);
ASSERT_EQ(rgn1->base, r1.base);
ASSERT_EQ(rgn2->size, r2_size);
ASSERT_EQ(rgn2->base, expected_start);
ASSERT_EQ(memblock.reserved.cnt, 2);
ASSERT_EQ(memblock.reserved.total_size, total_size);
test_pass_pop();
return 0;
}
static int alloc_top_down_before_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
void *allocated_ptr = NULL;
phys_addr_t r1_size = SMP_CACHE_BYTES;
phys_addr_t r2_size = SZ_512;
phys_addr_t total_size = r1_size + r2_size;
PREFIX_PUSH();
setup_memblock();
memblock_reserve_kern(memblock_end_of_DRAM() - total_size, r1_size);
allocated_ptr = run_memblock_alloc(r2_size, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, r2_size, alloc_test_flags);
ASSERT_EQ(rgn->size, total_size);
ASSERT_EQ(rgn->base, memblock_end_of_DRAM() - total_size);
ASSERT_EQ(memblock.reserved.cnt, 1);
ASSERT_EQ(memblock.reserved.total_size, total_size);
test_pass_pop();
return 0;
}
static int alloc_top_down_after_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
struct region r1;
void *allocated_ptr = NULL;
phys_addr_t r2_size = SZ_512;
phys_addr_t total_size;
PREFIX_PUSH();
setup_memblock();
r1.base = memblock_end_of_DRAM() - SMP_CACHE_BYTES;
r1.size = SZ_8;
total_size = r1.size + r2_size;
memblock_reserve_kern(r1.base, r1.size);
allocated_ptr = run_memblock_alloc(r2_size, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, r2_size, alloc_test_flags);
ASSERT_EQ(rgn->size, total_size);
ASSERT_EQ(rgn->base, r1.base - r2_size);
ASSERT_EQ(memblock.reserved.cnt, 1);
ASSERT_EQ(memblock.reserved.total_size, total_size);
test_pass_pop();
return 0;
}
static int alloc_top_down_second_fit_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
struct region r1, r2;
void *allocated_ptr = NULL;
phys_addr_t r3_size = SZ_1K;
phys_addr_t total_size;
PREFIX_PUSH();
setup_memblock();
r1.base = memblock_end_of_DRAM() - SZ_512;
r1.size = SZ_512;
r2.base = r1.base - SZ_512;
r2.size = SZ_256;
total_size = r1.size + r2.size + r3_size;
memblock_reserve_kern(r1.base, r1.size);
memblock_reserve_kern(r2.base, r2.size);
allocated_ptr = run_memblock_alloc(r3_size, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, r3_size, alloc_test_flags);
ASSERT_EQ(rgn->size, r2.size + r3_size);
ASSERT_EQ(rgn->base, r2.base - r3_size);
ASSERT_EQ(memblock.reserved.cnt, 2);
ASSERT_EQ(memblock.reserved.total_size, total_size);
test_pass_pop();
return 0;
}
static int alloc_in_between_generic_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
struct region r1, r2;
void *allocated_ptr = NULL;
phys_addr_t gap_size = SMP_CACHE_BYTES;
phys_addr_t r3_size = SZ_64;
phys_addr_t rgn_size = (MEM_SIZE - (2 * gap_size + r3_size)) / 2;
phys_addr_t total_size;
PREFIX_PUSH();
setup_memblock();
r1.size = rgn_size;
r1.base = memblock_end_of_DRAM() - (gap_size + rgn_size);
r2.size = rgn_size;
r2.base = memblock_start_of_DRAM() + gap_size;
total_size = r1.size + r2.size + r3_size;
memblock_reserve_kern(r1.base, r1.size);
memblock_reserve_kern(r2.base, r2.size);
allocated_ptr = run_memblock_alloc(r3_size, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, r3_size, alloc_test_flags);
ASSERT_EQ(rgn->size, total_size);
ASSERT_EQ(rgn->base, r1.base - r2.size - r3_size);
ASSERT_EQ(memblock.reserved.cnt, 1);
ASSERT_EQ(memblock.reserved.total_size, total_size);
test_pass_pop();
return 0;
}
static int alloc_small_gaps_generic_check(void)
{
void *allocated_ptr = NULL;
phys_addr_t region_size = SZ_1K;
phys_addr_t gap_size = SZ_256;
phys_addr_t region_end;
PREFIX_PUSH();
setup_memblock();
region_end = memblock_start_of_DRAM();
while (region_end < memblock_end_of_DRAM()) {
memblock_reserve(region_end + gap_size, region_size);
region_end += gap_size + region_size;
}
allocated_ptr = run_memblock_alloc(region_size, SMP_CACHE_BYTES);
ASSERT_EQ(allocated_ptr, NULL);
test_pass_pop();
return 0;
}
static int alloc_all_reserved_generic_check(void)
{
void *allocated_ptr = NULL;
PREFIX_PUSH();
setup_memblock();
memblock_reserve(memblock_start_of_DRAM(), MEM_SIZE);
allocated_ptr = run_memblock_alloc(SZ_256, SMP_CACHE_BYTES);
ASSERT_EQ(allocated_ptr, NULL);
test_pass_pop();
return 0;
}
static int alloc_no_space_generic_check(void)
{
void *allocated_ptr = NULL;
phys_addr_t available_size = SZ_256;
phys_addr_t reserved_size = MEM_SIZE - available_size;
PREFIX_PUSH();
setup_memblock();
memblock_reserve(memblock_start_of_DRAM(), reserved_size);
allocated_ptr = run_memblock_alloc(SZ_1K, SMP_CACHE_BYTES);
ASSERT_EQ(allocated_ptr, NULL);
test_pass_pop();
return 0;
}
static int alloc_limited_space_generic_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
void *allocated_ptr = NULL;
phys_addr_t available_size = SZ_256;
phys_addr_t reserved_size = MEM_SIZE - available_size;
PREFIX_PUSH();
setup_memblock();
memblock_reserve_kern(memblock_start_of_DRAM(), reserved_size);
allocated_ptr = run_memblock_alloc(available_size, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, available_size, alloc_test_flags);
ASSERT_EQ(rgn->size, MEM_SIZE);
ASSERT_EQ(rgn->base, memblock_start_of_DRAM());
ASSERT_EQ(memblock.reserved.cnt, 1);
ASSERT_EQ(memblock.reserved.total_size, MEM_SIZE);
test_pass_pop();
return 0;
}
static int alloc_no_memory_generic_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
void *allocated_ptr = NULL;
PREFIX_PUSH();
reset_memblock_regions();
allocated_ptr = run_memblock_alloc(SZ_1K, SMP_CACHE_BYTES);
ASSERT_EQ(allocated_ptr, NULL);
ASSERT_EQ(rgn->size, 0);
ASSERT_EQ(rgn->base, 0);
ASSERT_EQ(memblock.reserved.total_size, 0);
test_pass_pop();
return 0;
}
static int alloc_too_large_generic_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
void *allocated_ptr = NULL;
PREFIX_PUSH();
setup_memblock();
allocated_ptr = run_memblock_alloc(MEM_SIZE + SZ_2, SMP_CACHE_BYTES);
ASSERT_EQ(allocated_ptr, NULL);
ASSERT_EQ(rgn->size, 0);
ASSERT_EQ(rgn->base, 0);
ASSERT_EQ(memblock.reserved.total_size, 0);
test_pass_pop();
return 0;
}
static int alloc_bottom_up_simple_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
void *allocated_ptr = NULL;
PREFIX_PUSH();
setup_memblock();
allocated_ptr = run_memblock_alloc(SZ_2, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, SZ_2, alloc_test_flags);
ASSERT_EQ(rgn->size, SZ_2);
ASSERT_EQ(rgn->base, memblock_start_of_DRAM());
ASSERT_EQ(memblock.reserved.cnt, 1);
ASSERT_EQ(memblock.reserved.total_size, SZ_2);
test_pass_pop();
return 0;
}
static int alloc_bottom_up_disjoint_check(void)
{
struct memblock_region *rgn1 = &memblock.reserved.regions[0];
struct memblock_region *rgn2 = &memblock.reserved.regions[1];
struct region r1;
void *allocated_ptr = NULL;
phys_addr_t r2_size = SZ_16;
phys_addr_t alignment = SMP_CACHE_BYTES * 2;
phys_addr_t total_size;
phys_addr_t expected_start;
PREFIX_PUSH();
setup_memblock();
r1.base = memblock_start_of_DRAM() + SZ_2;
r1.size = SZ_2;
total_size = r1.size + r2_size;
expected_start = memblock_start_of_DRAM() + alignment;
memblock_reserve(r1.base, r1.size);
allocated_ptr = run_memblock_alloc(r2_size, alignment);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, r2_size, alloc_test_flags);
ASSERT_EQ(rgn1->size, r1.size);
ASSERT_EQ(rgn1->base, r1.base);
ASSERT_EQ(rgn2->size, r2_size);
ASSERT_EQ(rgn2->base, expected_start);
ASSERT_EQ(memblock.reserved.cnt, 2);
ASSERT_EQ(memblock.reserved.total_size, total_size);
test_pass_pop();
return 0;
}
static int alloc_bottom_up_before_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
void *allocated_ptr = NULL;
phys_addr_t r1_size = SZ_512;
phys_addr_t r2_size = SZ_128;
phys_addr_t total_size = r1_size + r2_size;
PREFIX_PUSH();
setup_memblock();
memblock_reserve_kern(memblock_start_of_DRAM() + r1_size, r2_size);
allocated_ptr = run_memblock_alloc(r1_size, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, r1_size, alloc_test_flags);
ASSERT_EQ(rgn->size, total_size);
ASSERT_EQ(rgn->base, memblock_start_of_DRAM());
ASSERT_EQ(memblock.reserved.cnt, 1);
ASSERT_EQ(memblock.reserved.total_size, total_size);
test_pass_pop();
return 0;
}
static int alloc_bottom_up_after_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[0];
struct region r1;
void *allocated_ptr = NULL;
phys_addr_t r2_size = SZ_512;
phys_addr_t total_size;
PREFIX_PUSH();
setup_memblock();
r1.base = memblock_start_of_DRAM() + SMP_CACHE_BYTES;
r1.size = SZ_64;
total_size = r1.size + r2_size;
memblock_reserve_kern(r1.base, r1.size);
allocated_ptr = run_memblock_alloc(r2_size, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, r2_size, alloc_test_flags);
ASSERT_EQ(rgn->size, total_size);
ASSERT_EQ(rgn->base, r1.base);
ASSERT_EQ(memblock.reserved.cnt, 1);
ASSERT_EQ(memblock.reserved.total_size, total_size);
test_pass_pop();
return 0;
}
static int alloc_bottom_up_second_fit_check(void)
{
struct memblock_region *rgn = &memblock.reserved.regions[1];
struct region r1, r2;
void *allocated_ptr = NULL;
phys_addr_t r3_size = SZ_1K;
phys_addr_t total_size;
PREFIX_PUSH();
setup_memblock();
r1.base = memblock_start_of_DRAM();
r1.size = SZ_512;
r2.base = r1.base + r1.size + SZ_512;
r2.size = SZ_256;
total_size = r1.size + r2.size + r3_size;
memblock_reserve_kern(r1.base, r1.size);
memblock_reserve_kern(r2.base, r2.size);
allocated_ptr = run_memblock_alloc(r3_size, SMP_CACHE_BYTES);
ASSERT_NE(allocated_ptr, NULL);
assert_mem_content(allocated_ptr, r3_size, alloc_test_flags);
ASSERT_EQ(rgn->size, r2.size + r3_size);
ASSERT_EQ(rgn->base, r2.base);
ASSERT_EQ(memblock.reserved.cnt, 2);
ASSERT_EQ(memblock.reserved.total_size, total_size);
test_pass_pop();
return 0;
}
static int alloc_simple_check(void)
{
test_print("\tRunning %s...\n", __func__);
memblock_set_bottom_up(false);
alloc_top_down_simple_check();
memblock_set_bottom_up(true);
alloc_bottom_up_simple_check();
return 0;
}
static int alloc_disjoint_check(void)
{
test_print("\tRunning %s...\n", __func__);
memblock_set_bottom_up(false);
alloc_top_down_disjoint_check();
memblock_set_bottom_up(true);
alloc_bottom_up_disjoint_check();
return 0;
}
static int alloc_before_check(void)
{
test_print("\tRunning %s...\n", __func__);
memblock_set_bottom_up(false);
alloc_top_down_before_check();
memblock_set_bottom_up(true);
alloc_bottom_up_before_check();
return 0;
}
static int alloc_after_check(void)
{
test_print("\tRunning %s...\n", __func__);
memblock_set_bottom_up(false);
alloc_top_down_after_check();
memblock_set_bottom_up(true);
alloc_bottom_up_after_check();
return 0;
}
static int alloc_in_between_check(void)
{
test_print("\tRunning %s...\n", __func__);
run_top_down(alloc_in_between_generic_check);
run_bottom_up(alloc_in_between_generic_check);
return 0;
}
static int alloc_second_fit_check(void)
{
test_print("\tRunning %s...\n", __func__);
memblock_set_bottom_up(false);
alloc_top_down_second_fit_check();
memblock_set_bottom_up(true);
alloc_bottom_up_second_fit_check();
return 0;
}
static int alloc_small_gaps_check(void)
{
test_print("\tRunning %s...\n", __func__);
run_top_down(alloc_small_gaps_generic_check);
run_bottom_up(alloc_small_gaps_generic_check);
return 0;
}
static int alloc_all_reserved_check(void)
{
test_print("\tRunning %s...\n", __func__);
run_top_down(alloc_all_reserved_generic_check);
run_bottom_up(alloc_all_reserved_generic_check);
return 0;
}
static int alloc_no_space_check(void)
{
test_print("\tRunning %s...\n", __func__);
run_top_down(alloc_no_space_generic_check);
run_bottom_up(alloc_no_space_generic_check);
return 0;
}
static int alloc_limited_space_check(void)
{
test_print("\tRunning %s...\n", __func__);
run_top_down(alloc_limited_space_generic_check);
run_bottom_up(alloc_limited_space_generic_check);
return 0;
}
static int alloc_no_memory_check(void)
{
test_print("\tRunning %s...\n", __func__);
run_top_down(alloc_no_memory_generic_check);
run_bottom_up(alloc_no_memory_generic_check);
return 0;
}
static int alloc_too_large_check(void)
{
test_print("\tRunning %s...\n", __func__);
run_top_down(alloc_too_large_generic_check);
run_bottom_up(alloc_too_large_generic_check);
return 0;
}
static int memblock_alloc_checks_internal(int flags)
{
const char *func = get_memblock_alloc_name(flags);
alloc_test_flags = flags;
prefix_reset();
prefix_push(func);
test_print("Running %s tests...\n", func);
reset_memblock_attributes();
dummy_physical_memory_init();
alloc_simple_check();
alloc_disjoint_check();
alloc_before_check();
alloc_after_check();
alloc_second_fit_check();
alloc_small_gaps_check();
alloc_in_between_check();
alloc_all_reserved_check();
alloc_no_space_check();
alloc_limited_space_check();
alloc_no_memory_check();
alloc_too_large_check();
dummy_physical_memory_cleanup();
prefix_pop();
return 0;
}
int memblock_alloc_checks(void)
{
memblock_alloc_checks_internal(TEST_F_NONE);
memblock_alloc_checks_internal(TEST_F_RAW);
return 0;
}