From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/arch/sh/kernel/dumpstack.c | 56 +++++++++++++++++++++++++-------------------------------
1 files changed, 25 insertions(+), 31 deletions(-)
diff --git a/kernel/arch/sh/kernel/dumpstack.c b/kernel/arch/sh/kernel/dumpstack.c
index b564b1e..758a6c8 100644
--- a/kernel/arch/sh/kernel/dumpstack.c
+++ b/kernel/arch/sh/kernel/dumpstack.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
* Copyright (C) 2009 Matt Fleming
* Copyright (C) 2002 - 2012 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
#include <linux/kallsyms.h>
#include <linux/ftrace.h>
@@ -19,37 +16,38 @@
#include <asm/unwinder.h>
#include <asm/stacktrace.h>
-void dump_mem(const char *str, unsigned long bottom, unsigned long top)
+void dump_mem(const char *str, const char *loglvl, unsigned long bottom,
+ unsigned long top)
{
unsigned long p;
int i;
- printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top);
+ printk("%s%s(0x%08lx to 0x%08lx)\n", loglvl, str, bottom, top);
for (p = bottom & ~31; p < top; ) {
- printk("%04lx: ", p & 0xffff);
+ printk("%s%04lx: ", loglvl, p & 0xffff);
for (i = 0; i < 8; i++, p += 4) {
unsigned int val;
if (p < bottom || p >= top)
- printk(" ");
+ pr_cont(" ");
else {
if (__get_user(val, (unsigned int __user *)p)) {
- printk("\n");
+ pr_cont("\n");
return;
}
- printk("%08x ", val);
+ pr_cont("%08x ", val);
}
}
- printk("\n");
+ pr_cont("\n");
}
}
void printk_address(unsigned long address, int reliable)
{
- printk(" [<%p>] %s%pS\n", (void *) address,
- reliable ? "" : "? ", (void *) address);
+ pr_cont(" [<%px>] %s%pS\n", (void *) address,
+ reliable ? "" : "? ", (void *) address);
}
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
@@ -59,17 +57,20 @@
struct thread_info *tinfo, int *graph)
{
struct task_struct *task = tinfo->task;
+ struct ftrace_ret_stack *ret_stack;
unsigned long ret_addr;
- int index = task->curr_ret_stack;
if (addr != (unsigned long)return_to_handler)
return;
- if (!task->ret_stack || index < *graph)
+ if (!task->ret_stack)
return;
- index -= *graph;
- ret_addr = task->ret_stack[index].ret;
+ ret_stack = ftrace_graph_get_ret_stack(task, *graph);
+ if (!ret_stack)
+ return;
+
+ ret_addr = ret_stack->ret;
ops->address(data, ret_addr, 1);
@@ -106,12 +107,6 @@
}
}
-static int print_trace_stack(void *data, char *name)
-{
- printk("%s <%s> ", (char *)data, name);
- return 0;
-}
-
/*
* Print one address/symbol entries per line.
*/
@@ -122,21 +117,20 @@
}
static const struct stacktrace_ops print_trace_ops = {
- .stack = print_trace_stack,
.address = print_trace_address,
};
void show_trace(struct task_struct *tsk, unsigned long *sp,
- struct pt_regs *regs)
+ struct pt_regs *regs, const char *loglvl)
{
if (regs && user_mode(regs))
return;
- printk("\nCall trace:\n");
+ printk("%s\nCall trace:\n", loglvl);
- unwind_stack(tsk, regs, sp, &print_trace_ops, "");
+ unwind_stack(tsk, regs, sp, &print_trace_ops, (void *)loglvl);
- printk("\n");
+ pr_cont("\n");
if (!tsk)
tsk = current;
@@ -144,7 +138,7 @@
debug_show_held_locks(tsk);
}
-void show_stack(struct task_struct *tsk, unsigned long *sp)
+void show_stack(struct task_struct *tsk, unsigned long *sp, const char *loglvl)
{
unsigned long stack;
@@ -156,7 +150,7 @@
sp = (unsigned long *)tsk->thread.sp;
stack = (unsigned long)sp;
- dump_mem("Stack: ", stack, THREAD_SIZE +
+ dump_mem("Stack: ", loglvl, stack, THREAD_SIZE +
(unsigned long)task_stack_page(tsk));
- show_trace(tsk, sp, NULL);
+ show_trace(tsk, sp, NULL, loglvl);
}
--
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