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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2015
- * Texas Instruments Incorporated - http://www.ti.com/
- */
- #include <common.h>
- #include <dm.h>
- #include <elf.h>
- #include <errno.h>
- #include <remoteproc.h>
- #include <asm/io.h>
- #include <dm/test.h>
- #include <test/ut.h>
- /**
- * dm_test_remoteproc_base() - test the operations after initializations
- * @uts: unit test state
- *
- * Return: 0 if test passed, else error
- */
- static int dm_test_remoteproc_base(struct unit_test_state *uts)
- {
- if (!rproc_is_initialized())
- ut_assertok(rproc_init());
- /* Ensure we are initialized */
- ut_asserteq(true, rproc_is_initialized());
- /* platform data device 1 */
- ut_assertok(rproc_stop(0));
- ut_assertok(rproc_reset(0));
- /* -> invalid attempt tests */
- ut_asserteq(-EINVAL, rproc_start(0));
- ut_asserteq(-EINVAL, rproc_ping(0));
- /* Valid tests */
- ut_assertok(rproc_load(0, 1, 0));
- ut_assertok(rproc_start(0));
- ut_assertok(rproc_is_running(0));
- ut_assertok(rproc_ping(0));
- ut_assertok(rproc_reset(0));
- ut_assertok(rproc_stop(0));
- /* dt device device 1 */
- ut_assertok(rproc_stop(1));
- ut_assertok(rproc_reset(1));
- ut_assertok(rproc_load(1, 1, 0));
- ut_assertok(rproc_start(1));
- ut_assertok(rproc_is_running(1));
- ut_assertok(rproc_ping(1));
- ut_assertok(rproc_reset(1));
- ut_assertok(rproc_stop(1));
- /* dt device device 2 */
- ut_assertok(rproc_stop(0));
- ut_assertok(rproc_reset(0));
- /* -> invalid attempt tests */
- ut_asserteq(-EINVAL, rproc_start(0));
- ut_asserteq(-EINVAL, rproc_ping(0));
- /* Valid tests */
- ut_assertok(rproc_load(2, 1, 0));
- ut_assertok(rproc_start(2));
- ut_assertok(rproc_is_running(2));
- ut_assertok(rproc_ping(2));
- ut_assertok(rproc_reset(2));
- ut_assertok(rproc_stop(2));
- return 0;
- }
- DM_TEST(dm_test_remoteproc_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
- #define DEVICE_TO_PHYSICAL_OFFSET 0x1000
- /**
- * dm_test_remoteproc_elf() - test the ELF operations
- * @uts: unit test state
- *
- * Return: 0 if test passed, else error
- */
- static int dm_test_remoteproc_elf(struct unit_test_state *uts)
- {
- u8 valid_elf32[] = {
- /* @0x00 - ELF HEADER - */
- /* ELF magic */
- 0x7f, 0x45, 0x4c, 0x46,
- /* 32 Bits */
- 0x01,
- /* Endianness */
- #ifdef __LITTLE_ENDIAN
- 0x01,
- #else
- 0x02,
- #endif
- /* Version */
- 0x01,
- /* Padding */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- /* Type : executable */
- 0x02, 0x00,
- /* Machine: ARM */
- 0x28, 0x00,
- /* Version */
- 0x01, 0x00, 0x00, 0x00,
- /* Entry */
- 0x00, 0x00, 0x00, 0x08,
- /* phoff (program header offset @ 0x40)*/
- 0x40, 0x00, 0x00, 0x00,
- /* shoff (section header offset @ 0x90) */
- 0x90, 0x00, 0x00, 0x00,
- /* flags */
- 0x00, 0x00, 0x00, 0x00,
- /* ehsize (elf header size = 0x34) */
- 0x34, 0x00,
- /* phentsize (program header size = 0x20) */
- 0x20, 0x00,
- /* phnum (program header number : 1) */
- 0x01, 0x00,
- /* shentsize (section header size : 40 bytes) */
- 0x28, 0x00,
- /* shnum (section header number: 3) */
- 0x02, 0x00,
- /* shstrndx (section header name section index: 1) */
- 0x01, 0x00,
- /* padding */
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- /* @0x40 - PROGRAM HEADER TABLE - */
- /* type : PT_LOAD */
- 0x01, 0x00, 0x00, 0x00,
- /* offset */
- 0x00, 0x00, 0x00, 0x00,
- /* vaddr */
- 0x00, 0x00, 0x00, 0x00,
- /* paddr : physical address */
- 0x00, 0x00, 0x00, 0x00,
- /* filesz : 0x20 bytes (program header size) */
- 0x20, 0x00, 0x00, 0x00,
- /* memsz = filesz */
- 0x20, 0x00, 0x00, 0x00,
- /* flags : readable and exectuable */
- 0x05, 0x00, 0x00, 0x00,
- /* padding */
- 0x00, 0x00, 0x00, 0x00,
- /* @0x60 - RESOURCE TABLE SECTION - */
- /* version */
- 0x01, 0x00, 0x00, 0x00,
- /* num (0, no entries) */
- 0x00, 0x00, 0x00, 0x00,
- /* Reserved */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- /* @0x70 - SECTION'S NAMES SECTION - */
- /* section 0 name (".shrtrtab") */
- 0x2e, 0x73, 0x68, 0x73, 0x74, 0x72, 0x74, 0x61, 0x62, 0x00,
- /* section 1 name (".resource_table") */
- 0x2e, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x5f,
- 0x74, 0x61, 0x62, 0x6c, 0x65, 0x00,
- /* padding */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- /* @0x90 - SECTION HEADER TABLE - */
- /* Section 0 : resource table header */
- /* sh_name - index into section header string table section */
- 0x0a, 0x00, 0x00, 0x00,
- /* sh_type and sh_flags */
- 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
- /* sh_addr = where the resource table has to be copied to */
- 0x00, 0x00, 0x00, 0x00,
- /* sh_offset = 0x60 */
- 0x60, 0x00, 0x00, 0x00,
- /* sh_size = 16 bytes */
- 0x10, 0x00, 0x00, 0x00,
- /* sh_link, sh_info, sh_addralign, sh_entsize */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- /* Section 1 : section's names section header */
- /* sh_name - index into section header string table section */
- 0x00, 0x00, 0x00, 0x00,
- /* sh_type and sh_flags */
- 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- /* sh_addr */
- 0x00, 0x00, 0x00, 0x00,
- /* sh_offset = 0x70 */
- 0x70, 0x00, 0x00, 0x00,
- /* sh_size = 27 bytes */
- 0x1b, 0x00, 0x00, 0x00,
- /* sh_link, sh_info, sh_addralign, sh_entsize */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- };
- unsigned int size = ARRAY_SIZE(valid_elf32);
- struct udevice *dev;
- phys_addr_t loaded_firmware_paddr, loaded_rsc_table_paddr;
- void *loaded_firmware, *loaded_rsc_table;
- u32 loaded_firmware_size, rsc_table_size;
- ulong rsc_addr, rsc_size;
- Elf32_Ehdr *ehdr = (Elf32_Ehdr *)valid_elf32;
- Elf32_Phdr *phdr = (Elf32_Phdr *)(valid_elf32 + ehdr->e_phoff);
- Elf32_Shdr *shdr = (Elf32_Shdr *)(valid_elf32 + ehdr->e_shoff);
- ut_assertok(uclass_get_device(UCLASS_REMOTEPROC, 0, &dev));
- /*
- * In its Program Header Table, let the firmware specifies to be loaded
- * at SDRAM_BASE *device* address (p_paddr field).
- * Its size is defined by the p_filesz field.
- */
- phdr->p_paddr = CONFIG_SYS_SDRAM_BASE;
- loaded_firmware_size = phdr->p_filesz;
- /*
- * This *device* address is converted to a *physical* address by the
- * device_to_virt() operation of sandbox_test_rproc which returns
- * DeviceAddress + DEVICE_TO_PHYSICAL_OFFSET.
- * This is where we expect to get the firmware loaded.
- */
- loaded_firmware_paddr = phdr->p_paddr + DEVICE_TO_PHYSICAL_OFFSET;
- loaded_firmware = map_physmem(loaded_firmware_paddr,
- loaded_firmware_size, MAP_NOCACHE);
- ut_assertnonnull(loaded_firmware);
- memset(loaded_firmware, 0, loaded_firmware_size);
- /* Load firmware in loaded_firmware, and verify it */
- ut_assertok(rproc_elf32_load_image(dev, (ulong)valid_elf32, size));
- ut_asserteq_mem(loaded_firmware, valid_elf32, loaded_firmware_size);
- ut_asserteq(rproc_elf_get_boot_addr(dev, (unsigned long)valid_elf32),
- 0x08000000);
- unmap_physmem(loaded_firmware, MAP_NOCACHE);
- /* Resource table */
- shdr->sh_addr = CONFIG_SYS_SDRAM_BASE;
- rsc_table_size = shdr->sh_size;
- loaded_rsc_table_paddr = shdr->sh_addr + DEVICE_TO_PHYSICAL_OFFSET;
- loaded_rsc_table = map_physmem(loaded_rsc_table_paddr,
- rsc_table_size, MAP_NOCACHE);
- ut_assertnonnull(loaded_rsc_table);
- memset(loaded_rsc_table, 0, rsc_table_size);
- /* Load and verify */
- ut_assertok(rproc_elf32_load_rsc_table(dev, (ulong)valid_elf32, size,
- &rsc_addr, &rsc_size));
- ut_asserteq(rsc_addr, CONFIG_SYS_SDRAM_BASE);
- ut_asserteq(rsc_size, rsc_table_size);
- ut_asserteq_mem(loaded_firmware, valid_elf32 + shdr->sh_offset,
- shdr->sh_size);
- unmap_physmem(loaded_firmware, MAP_NOCACHE);
- /* Invalid ELF Magic */
- valid_elf32[0] = 0;
- ut_asserteq(-EPROTONOSUPPORT,
- rproc_elf32_sanity_check((ulong)valid_elf32, size));
- return 0;
- }
- DM_TEST(dm_test_remoteproc_elf, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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