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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 : none) */
0x00, 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 heade size : none) */
0x00, 0x00,
/* shnum (section header number: none) */
0x00, 0x00,
/* shstrndx (section header name section index: none) */
0x00, 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,
};
unsigned int size = ARRAY_SIZE(valid_elf32);
struct udevice *dev;
phys_addr_t loaded_firmware_paddr;
void *loaded_firmware;
u32 loaded_firmware_size;
Elf32_Ehdr *ehdr = (Elf32_Ehdr *)valid_elf32;
Elf32_Phdr *phdr = (Elf32_Phdr *)(valid_elf32 + ehdr->e_phoff);
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);
/* Verify valid ELF format */
ut_assertok(rproc_elf32_sanity_check((ulong)valid_elf32, size));
/* Load firmware in loaded_firmware, and verify it */
ut_assertok(rproc_elf32_load_image(dev, (unsigned long)valid_elf32));
ut_assertok(memcmp(loaded_firmware, valid_elf32, loaded_firmware_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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