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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [include/] [asm-or32/] [or32-hf.h] - Blame information for rev 7

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/*
 * or32 helper functions
 *
 */
 
#ifndef _OR32_OR32_HF_H
#define _OR32_OR32_HF_H
 
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
 
extern int __phx_signal__;
#define phx_signal(fmt, args...)                                \
        if (__phx_signal__)                                     \
            printk("__SIGN__ :: %s: %d: %s() :: " fmt "\n",     \
                           __FILE__, __LINE__, __FUNCTION__, ##args);
 
extern int __phx_warn__;
#define phx_warn(fmt, args...)                                  \
        if (__phx_warn__)                                       \
            printk("__WARN__ :: %s: %d: %s() :: " fmt "\n",     \
                           __FILE__, __LINE__, __FUNCTION__, ##args);
 
extern int __phx_mmu__;
#define phx_mmu(fmt, args...)                                   \
        if (__phx_mmu__)                                        \
            printk("__xMMU__ :: %s: %d: %s() :: " fmt "\n",     \
                           __FILE__, __LINE__, __FUNCTION__, ##args);
 
#define __PHX_DEBUG__
#ifdef __PHX_DEBUG__
extern int __phx_debug__;
# define phx_printk(fmt, args...)                               \
        if (__phx_debug__)                                      \
            printk("__PHX__ :: %s: %d: %s() :: " fmt "\n",      \
                           __FILE__, __LINE__, __FUNCTION__, ##args);
#else /* __PHX_DEBUG__ */
# define phx_printk(fmt, args...)
#endif /* __PHX_DEBUG__ */
 
 
#include <asm/processor.h>        // pt_regs
 
static __inline__ void check_stack(struct pt_regs *regs, const char *file,
                                   const char *function, int line)
{
#ifdef CONFIG_DEBUG_STACKOVERFLOW
        unsigned long esp;
        extern void show_registers(struct pt_regs *regs);
 
        __asm__ __volatile__ ("l.addi %0,r1,0" : "=r" (esp));
        if(unlikely((esp & ~(TASK_SIZE - 1)) != (current_thread_info()->ksp & ~(TASK_SIZE - 1)))) {
                printk("%s:%d: %s(): stack switch, old: %lx, new: %lx\n",
                       file, line, function,
                       current_thread_info()->ksp, esp);
                show_registers(regs);
                show_stack(NULL, (unsigned long *)esp);
                __asm__ __volatile__("l.nop 1");
        }
 
        esp &= TASK_SIZE - 1;
        if (unlikely(esp < (sizeof(struct task_struct) + 1024))) {
 
                printk("%s:%d: %s(): stack overflow: %ld\n",
                       file, line, function,
                       esp - sizeof(struct task_struct));
                __asm__ __volatile__ ("l.addi %0,r1,%1" : "=r" (esp) : "K" (0));
                show_registers(regs);
                show_stack(NULL, (unsigned long *)esp);
                __asm__ __volatile__("l.nop 1");
        }
#endif
}
 
#endif /* _OR32_OR32_HF_H */

Line No.	Rev	Author	Line
1	7	xianfeng	`/*`
2			`* or32 helper functions`
3			`*`
4			`*/`
5
6			`#ifndef _OR32_OR32_HF_H`
7			`#define _OR32_OR32_HF_H`
8
9			`#include <linux/kernel.h>`
10			`#include <linux/module.h>`
11			`#include <linux/sched.h>`
12
13			`extern int __phx_signal__;`
14			`#define phx_signal(fmt, args...) \`
15			`if (__phx_signal__) \`
16			`printk("__SIGN__ :: %s: %d: %s() :: " fmt "\n", \`
17			`__FILE__, __LINE__, __FUNCTION__, ##args);`
18
19			`extern int __phx_warn__;`
20			`#define phx_warn(fmt, args...) \`
21			`if (__phx_warn__) \`
22			`printk("__WARN__ :: %s: %d: %s() :: " fmt "\n", \`
23			`__FILE__, __LINE__, __FUNCTION__, ##args);`
24
25			`extern int __phx_mmu__;`
26			`#define phx_mmu(fmt, args...) \`
27			`if (__phx_mmu__) \`
28			`printk("__xMMU__ :: %s: %d: %s() :: " fmt "\n", \`
29			`__FILE__, __LINE__, __FUNCTION__, ##args);`
30
31			`#define __PHX_DEBUG__`
32			`#ifdef __PHX_DEBUG__`
33			`extern int __phx_debug__;`
34			`# define phx_printk(fmt, args...) \`
35			`if (__phx_debug__) \`
36			`printk("__PHX__ :: %s: %d: %s() :: " fmt "\n", \`
37			`__FILE__, __LINE__, __FUNCTION__, ##args);`
38			`#else /* __PHX_DEBUG__ */`
39			`# define phx_printk(fmt, args...)`
40			`#endif /* __PHX_DEBUG__ */`
41
42
43			`#include <asm/processor.h> // pt_regs`
44
45			`static __inline__ void check_stack(struct pt_regs regs, const char file,`
46			`const char *function, int line)`
47			`{`
48			`#ifdef CONFIG_DEBUG_STACKOVERFLOW`
49			`unsigned long esp;`
50			`extern void show_registers(struct pt_regs *regs);`
51
52			`__asm__ __volatile__ ("l.addi %0,r1,0" : "=r" (esp));`
53			`if(unlikely((esp & ~(TASK_SIZE - 1)) != (current_thread_info()->ksp & ~(TASK_SIZE - 1)))) {`
54			`printk("%s:%d: %s(): stack switch, old: %lx, new: %lx\n",`
55			`file, line, function,`
56			`current_thread_info()->ksp, esp);`
57			`show_registers(regs);`
58			`show_stack(NULL, (unsigned long *)esp);`
59			`__asm__ __volatile__("l.nop 1");`
60			`}`
61
62			`esp &= TASK_SIZE - 1;`
63			`if (unlikely(esp < (sizeof(struct task_struct) + 1024))) {`
64
65			`printk("%s:%d: %s(): stack overflow: %ld\n",`
66			`file, line, function,`
67			`esp - sizeof(struct task_struct));`
68			`__asm__ __volatile__ ("l.addi %0,r1,%1" : "=r" (esp) : "K" (0));`
69			`show_registers(regs);`
70			`show_stack(NULL, (unsigned long *)esp);`
71			`__asm__ __volatile__("l.nop 1");`
72			`}`
73			`#endif`
74			`}`
75
76			`#endif /* _OR32_OR32_HF_H */`

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Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [include/] [asm-or32/] [or32-hf.h] - Blame information for rev 7