This unit test checks the following runtime services:
AllocatePages, FreePages, GetMemoryMap
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
lib/efi_selftest/Makefile | 1 +
lib/efi_selftest/efi_selftest_memory.c | 163 +++++++++++++++++++++++++
2 files changed, 164 insertions(+)
create mode 100644 lib/efi_selftest/efi_selftest_memory.c
diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile
index 4b1c0bb84b1..743b4820449 100644
--- a/lib/efi_selftest/Makefile
+++ b/lib/efi_selftest/Makefile
@@ -27,6 +27,7 @@ efi_selftest_fdt.o \
efi_selftest_gop.o \
efi_selftest_loaded_image.o \
efi_selftest_manageprotocols.o \
+efi_selftest_memory.o \
efi_selftest_rtc.o \
efi_selftest_snp.o \
efi_selftest_textinput.o \
diff --git a/lib/efi_selftest/efi_selftest_memory.c
b/lib/efi_selftest/efi_selftest_memory.c
new file mode 100644
index 00000000000..0623e8e62da
--- /dev/null
+++ b/lib/efi_selftest/efi_selftest_memory.c
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * efi_selftest_memory
+ *
+ * Copyright (c) 2018 Heinrich Schuchardt <xypron.g...@gmx.de>
+ *
+ * This unit test checks the following runtime services:
+ * AllocatePages, FreePages, GetMemoryMap
+ */
+
+#include <efi_selftest.h>
+
+#define EFI_ST_NUM_PAGES 8
+
+static struct efi_boot_services *boottime;
+
+/**
+ * setup() - setup unit test
+ *
+ * @handle: handle of the loaded image
+ * @systable: system table
+ * Return: EFI_ST_SUCCESS for success
+ */
+static int setup(const efi_handle_t handle,
+ const struct efi_system_table *systable)
+{
+ boottime = systable->boottime;
+
+ return EFI_ST_SUCCESS;
+}
+
+/**
+ * find_in_memory_map() - check matching memory map entry exists
+ *
+ * @memory_map: memory map
+ * @desc_size: number of memory map entries
+ * @addr: physical address to find in the map
+ * @type: expected memory type
+ * Return: EFI_ST_SUCCESS for success
+ */
+static int find_in_memory_map(efi_uintn_t map_size,
+ struct efi_mem_desc *memory_map,
+ efi_uintn_t desc_size,
+ u64 addr, int memory_type)
+{
+ efi_uintn_t i;
+ bool found = false;
+
+ for (i = 0; map_size; ++i, map_size -= desc_size) {
+ struct efi_mem_desc *entry = &memory_map[i];
+
+ if (addr >= entry->physical_start &&
+ addr < entry->physical_start +
+ (entry->num_pages << EFI_PAGE_SHIFT)) {
+ if (found) {
+ efi_st_error("Duplicate memory map entry\n");
+ return EFI_ST_FAILURE;
+ }
+ found = true;
+ if (memory_type != entry->type) {
+ efi_st_error
+ ("Wrong memory type %d, expected %d\n",
+ entry->type, memory_type);
+ return EFI_ST_FAILURE;
+ }
+ }
+ }
+ if (!found) {
+ efi_st_error("Missing memory map entry\n");
+ return EFI_ST_FAILURE;
+ }
+ return EFI_ST_SUCCESS;
+}
+
+/*
+ * execute() - execute unit test
+ *
+ * Return: EFI_ST_SUCCESS for success
+ */
+static int execute(void)
+{
+ u64 p1;
+ u64 p2;
+ efi_uintn_t map_size = 0;
+ efi_uintn_t map_key;
+ efi_uintn_t desc_size;
+ u32 desc_version;
+ struct efi_mem_desc *memory_map;
+ efi_status_t ret;
+
+ /* Allocate two page ranges with different memory type */
+ ret = boottime->allocate_pages(EFI_ALLOCATE_ANY_PAGES,
+ EFI_RUNTIME_SERVICES_CODE,
+ EFI_ST_NUM_PAGES, &p1);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("AllocatePages did not return EFI_SUCCESS\n");
+ return EFI_ST_FAILURE;
+ }
+ ret = boottime->allocate_pages(EFI_ALLOCATE_ANY_PAGES,
+ EFI_RUNTIME_SERVICES_DATA,
+ EFI_ST_NUM_PAGES, &p2);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("AllocatePages did not return EFI_SUCCESS\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /* Load memory map */
+ ret = boottime->get_memory_map(&map_size, NULL, &map_key, &desc_size,
+ &desc_version);
+ if (ret != EFI_BUFFER_TOO_SMALL) {
+ efi_st_error
+ ("GetMemoryMap did not return EFI_BUFFER_TOO_SMALL\n");
+ return EFI_ST_FAILURE;
+ }
+ /* Allocate extra space for newly allocated memory */
+ map_size += sizeof(struct efi_mem_desc);
+ ret = boottime->allocate_pool(EFI_BOOT_SERVICES_DATA, map_size,
+ (void **)&memory_map);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("AllocatePool did not return EFI_SUCCESS\n");
+ return EFI_ST_FAILURE;
+ }
+ ret = boottime->get_memory_map(&map_size, memory_map, &map_key,
+ &desc_size, &desc_version);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("GetMemoryMap did not return EFI_SUCCESS\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /* Check memory map entries */
+ if (find_in_memory_map(map_size, memory_map, desc_size, p1,
+ EFI_RUNTIME_SERVICES_CODE) != EFI_ST_SUCCESS)
+ return EFI_ST_FAILURE;
+ if (find_in_memory_map(map_size, memory_map, desc_size, p2,
+ EFI_RUNTIME_SERVICES_DATA) != EFI_ST_SUCCESS)
+ return EFI_ST_FAILURE;
+
+ /* Free memory */
+ ret = boottime->free_pages(p1, EFI_ST_NUM_PAGES);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("FreePages did not return EFI_SUCCESS\n");
+ return EFI_ST_FAILURE;
+ }
+ ret = boottime->free_pages(p2, EFI_ST_NUM_PAGES);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("FreePages did not return EFI_SUCCESS\n");
+ return EFI_ST_FAILURE;
+ }
+ ret = boottime->free_pool(memory_map);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("FreePool did not return EFI_SUCCESS\n");
+ return EFI_ST_FAILURE;
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+EFI_UNIT_TEST(memory) = {
+ .name = "memory",
+ .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
+ .setup = setup,
+ .execute = execute,
+};
--
2.19.1
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