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