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debug.h
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173 lines (148 loc) · 4.7 KB
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/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright(c) 2016 Intel Corporation. All rights reserved.
*
* Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
* Keyon Jie <yang.jie@linux.intel.com>
*/
#ifndef __SOF_DEBUG_DEBUG_H__
#define __SOF_DEBUG_DEBUG_H__
#include <sof/common.h>
#include <sof/debug/panic.h>
#include <sof/lib/cache.h>
#include <sof/lib/cpu.h>
#include <sof/sof.h>
#include <sof/string.h>
#include <ipc/info.h>
#include <ipc/trace.h>
#include <config.h>
#include <stddef.h>
#include <stdint.h>
#ifndef RELATIVE_FILE
#error "This file requires RELATIVE_FILE to be defined. " \
"Add it to CMake's target with sof_append_relative_path_definitions."
#endif
#if CONFIG_DEBUG
#include <sof/lib/mailbox.h>
#define DEBUG_SET_FW_READY_FLAGS \
( \
SOF_IPC_INFO_BUILD | \
(IS_ENABLED(CONFIG_DEBUG_LOCKS) ? SOF_IPC_INFO_LOCKS : 0) | \
(IS_ENABLED(CONFIG_DEBUG_LOCKS_VERBOSE) ? SOF_IPC_INFO_LOCKSV : 0) | \
(IS_ENABLED(CONFIG_GDB_DEBUG) ? SOF_IPC_INFO_GDB : 0) \
)
/* dump file and line to start of mailbox or shared memory */
#define dbg() \
do { \
volatile uint32_t *__m = (uint32_t *)mailbox_get_debug_base(); \
*(__m++) = (RELATIVE_FILE[0] << 24) + \
(RELATIVE_FILE[1] << 16) + \
(RELATIVE_FILE[2] << 8) + (RELATIVE_FILE[3]); \
*(__m++) = (__func__[0] << 24) + (__func__[1] << 16) + \
(__func__[2] << 8) + (__func__[3]); \
*__m = __LINE__; \
} while (0)
/* dump file and line to offset in mailbox or shared memory */
#define dbg_at(__x) \
do { \
volatile uint32_t *__m = \
(uint32_t *)mailbox_get_debug_base() + __x; \
*(__m++) = (RELATIVE_FILE[0] << 24) + \
(RELATIVE_FILE[1] << 16) + \
(RELATIVE_FILE[2] << 8) + (RELATIVE_FILE[3]); \
*(__m++) = (__func__[0] << 24) + (__func__[1] << 16) + \
(__func__[2] << 8) + (__func__[3]); \
*__m = __LINE__; \
} while (0)
/* dump value to start of mailbox or shared memory */
#define dbg_val(__v) \
do { \
volatile uint32_t *__m = \
(volatile uint32_t *)mailbox_get_debug_base(); \
*__m = __v; \
} while (0)
/* dump value to offset in mailbox or shared memory */
#define dbg_val_at(__v, __x) \
do { \
volatile uint32_t *__m = \
(volatile uint32_t *)mailbox_get_debug_base() + __x; \
*__m = __v; \
} while (0)
/* dump data area at addr and size count to start of mailbox or shared memory */
#define dump(addr, count) \
do { \
volatile uint32_t *__m = (uint32_t *)mailbox_get_debug_base(); \
volatile uint32_t *__a = (uint32_t *)addr; \
volatile int __c = count; \
while (__c--) \
*(__m++) = *(__a++); \
} while (0)
/* dump data area at addr and size count at mailbox offset or shared memory */
#define dump_at(addr, count, offset) \
do { \
volatile uint32_t *__m = \
(uint32_t *)mailbox_get_debug_base() + offset; \
volatile uint32_t *__a = (uint32_t *)addr; \
volatile int __c = count; \
while (__c--) \
*(__m++) = *(__a++); \
} while (0)
/* dump object to start of mailbox */
#define dump_object(__o) \
do { \
dbg(); \
dump(&__o, sizeof(__o) >> 2); \
} while (0)
/* dump object from pointer at start of mailbox */
#define dump_object_ptr(__o) \
do { \
dbg(); \
dump(__o, sizeof(*(__o)) >> 2); \
} while (0)
#define dump_object_ptr_at(__o, __at) \
do { \
dbg(); \
dump_at(__o, sizeof(*(__o)) >> 2, __at);\
} while (0)
#else
#define DEBUG_SET_FW_READY_FLAGS \
( \
(IS_ENABLED(CONFIG_DEBUG_LOCKS) ? SOF_IPC_INFO_LOCKS : 0) | \
(IS_ENABLED(CONFIG_DEBUG_LOCKS_VERBOSE) ? SOF_IPC_INFO_LOCKSV : 0) | \
(IS_ENABLED(CONFIG_GDB_DEBUG) ? SOF_IPC_INFO_GDB : 0) \
)
#define dbg() do {} while (0)
#define dbg_at(__x) do {} while (0)
#define dbg_val(__v) do {} while (0)
#define dbg_val_at(__v, __x) do {} while (0)
#define dump(addr, count) do {} while (0)
#define dump_object(__o) do {} while (0)
#define dump_object_ptr(__o) do {} while (0)
#endif
/* dump stack as part of panic */
static inline uint32_t dump_stack(uint32_t p, void *addr, size_t offset,
size_t limit, uintptr_t *stack_ptr)
{
uintptr_t stack_limit = (uintptr_t)arch_get_stack_entry();
uintptr_t stack_bottom = stack_limit + arch_get_stack_size() -
sizeof(void *);
uintptr_t stack_top = (uintptr_t)arch_get_stack_ptr() + offset;
size_t size = stack_bottom - stack_top;
int ret;
*stack_ptr = stack_top;
/* is stack smashed ? */
if (stack_top - offset <= stack_limit) {
stack_bottom = stack_limit;
p = SOF_IPC_PANIC_STACK;
return p;
}
/* make sure stack size won't overflow dump area */
if (size > limit)
size = limit;
/* copy stack contents and writeback */
ret = memcpy_s(addr, limit, (void *)stack_top, size - sizeof(void *));
assert(!ret);
dcache_writeback_region(addr, size - sizeof(void *));
return p;
}
#endif /* __SOF_DEBUG_DEBUG_H__ */