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git01.mediatek.com / filogic / uboot / 896409c925d60d081cfcd3ca1e3b34b6f9c2e556 / . / include / kgdb.h
blob: bdba347a7f3e1d0d906c5224615e915019b03b2c [file] [log] [blame]
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]1#ifndef __KGDB_H__
2#define __KGDB_H__
3
4#include <asm/ptrace.h>
5
6#define KGDBERR_BADPARAMS 1
7#define KGDBERR_NOTHEXDIG 2
8#define KGDBERR_MEMFAULT 3
9#define KGDBERR_NOSPACE 4
10#define KGDBERR_ALIGNFAULT 5
11
12#define KGDBDATA_MAXREGS 8
13#define KGDBDATA_MAXPRIV 8
14
15#define KGDBEXIT_TYPEMASK 0xff
16
17#define KGDBEXIT_KILL 0
18#define KGDBEXIT_CONTINUE 1
19#define KGDBEXIT_SINGLE 2
20
21#define KGDBEXIT_WITHADDR 0x100
22
23typedef
24 struct {
25 int num;
26 unsigned long val;
27 }
28kgdb_reg;
29
30typedef
31 struct {
32 int sigval;
33 int extype;
34 unsigned long exaddr;
35 int nregs;
36 kgdb_reg regs[KGDBDATA_MAXREGS];
37 unsigned long private[KGDBDATA_MAXPRIV];
38 }
39kgdb_data;
40
41/* these functions are provided by the generic kgdb support */
Ovidiu Panaitaf061f02022-01-01 19:13:27 +0200[diff] [blame]42/**
43 * kgdb_init()
44 *
45 * Perform initializations to allow debugging U-Boot with gdb over a serial
46 * link. It is called during the generic board init sequence.
47 *
48 * Return: 0 if OK
49 */
50int kgdb_init(void);
51
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]52extern void kgdb_error(int);
53extern int kgdb_output_string(const char *, unsigned int);
54extern void breakpoint(void);
55
56/* these functions are provided by the platform specific kgdb support */
57extern void kgdb_flush_cache_range(void *, void *);
58extern void kgdb_flush_cache_all(void);
59extern int kgdb_setjmp(long *);
60extern void kgdb_longjmp(long *, int);
61extern void kgdb_enter(struct pt_regs *, kgdb_data *);
62extern void kgdb_exit(struct pt_regs *, kgdb_data *);
63extern int kgdb_getregs(struct pt_regs *, char *, int);
64extern void kgdb_putreg(struct pt_regs *, int, char *, int);
65extern void kgdb_putregs(struct pt_regs *, char *, int);
66extern int kgdb_trap(struct pt_regs *);
Simon Glassed38aef2020-05-10 11:40:03 -0600[diff] [blame]67void kgdb_breakpoint(int argc, char *const argv[]);
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]68
69/* these functions are provided by the platform serial driver */
70extern void kgdb_serial_init(void);
71extern int getDebugChar(void);
72extern void putDebugChar(int);
73extern void putDebugStr(const char *);
74extern void kgdb_interruptible(int);
75
76/* this is referenced in the trap handler for the platform */
77extern int (*debugger_exception_handler)(struct pt_regs *);
78
79#endif /* __KGDB_H__ */