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/* MN10300 Kernel GDB stub definitions
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 * - Derived from asm-mips/gdb-stub.h (c) 1995 Andreas Busse
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */
#ifndef _ASM_GDB_STUB_H
#define _ASM_GDB_STUB_H

#include <asm/exceptions.h>

/*
 * register ID numbers in GDB remote protocol
 */

#define GDB_REGID_PC		9
#define GDB_REGID_FP		7
#define GDB_REGID_SP		8

/*
 * virtual stack layout for the GDB exception handler
 */
#define NUMREGS			64

#define GDB_FR_D0		(0 * 4)
#define GDB_FR_D1		(1 * 4)
#define GDB_FR_D2		(2 * 4)
#define GDB_FR_D3		(3 * 4)
#define GDB_FR_A0		(4 * 4)
#define GDB_FR_A1		(5 * 4)
#define GDB_FR_A2		(6 * 4)
#define GDB_FR_A3		(7 * 4)

#define GDB_FR_SP		(8 * 4)
#define GDB_FR_PC		(9 * 4)
#define GDB_FR_MDR		(10 * 4)
#define GDB_FR_EPSW		(11 * 4)
#define GDB_FR_LIR		(12 * 4)
#define GDB_FR_LAR		(13 * 4)
#define GDB_FR_MDRQ		(14 * 4)

#define GDB_FR_E0		(15 * 4)
#define GDB_FR_E1		(16 * 4)
#define GDB_FR_E2		(17 * 4)
#define GDB_FR_E3		(18 * 4)
#define GDB_FR_E4		(19 * 4)
#define GDB_FR_E5		(20 * 4)
#define GDB_FR_E6		(21 * 4)
#define GDB_FR_E7		(22 * 4)

#define GDB_FR_SSP		(23 * 4)
#define GDB_FR_MSP		(24 * 4)
#define GDB_FR_USP		(25 * 4)
#define GDB_FR_MCRH		(26 * 4)
#define GDB_FR_MCRL		(27 * 4)
#define GDB_FR_MCVF		(28 * 4)

#define GDB_FR_FPCR		(29 * 4)
#define GDB_FR_DUMMY0		(30 * 4)
#define GDB_FR_DUMMY1		(31 * 4)

#define GDB_FR_FS0		(32 * 4)

#define GDB_FR_SIZE		(NUMREGS * 4)

#ifndef __ASSEMBLY__

/*
 * This is the same as above, but for the high-level
 * part of the GDB stub.
 */

struct gdb_regs {
	/* saved main processor registers */
	u32	d0, d1, d2, d3, a0, a1, a2, a3;
	u32	sp, pc, mdr, epsw, lir, lar, mdrq;
	u32	e0, e1, e2, e3, e4, e5, e6, e7;
	u32	ssp, msp, usp, mcrh, mcrl, mcvf;

	/* saved floating point registers */
	u32	fpcr, _dummy0, _dummy1;
	u32	fs0,  fs1,  fs2,  fs3,  fs4,  fs5,  fs6,  fs7;
	u32	fs8,  fs9,  fs10, fs11, fs12, fs13, fs14, fs15;
	u32	fs16, fs17, fs18, fs19, fs20, fs21, fs22, fs23;
	u32	fs24, fs25, fs26, fs27, fs28, fs29, fs30, fs31;
};

/*
 * Prototypes
 */
extern void show_registers_only(struct pt_regs *regs);

extern asmlinkage void gdbstub_init(void);
extern asmlinkage void gdbstub_exit(int status);
extern asmlinkage void gdbstub_io_init(void);
extern asmlinkage void gdbstub_io_set_baud(unsigned baud);
extern asmlinkage int  gdbstub_io_rx_char(unsigned char *_ch, int nonblock);
extern asmlinkage void gdbstub_io_tx_char(unsigned char ch);
extern asmlinkage void gdbstub_io_tx_flush(void);

extern asmlinkage void gdbstub_io_rx_handler(void);
extern asmlinkage void gdbstub_rx_irq(struct pt_regs *, enum exception_code);
extern asmlinkage int  gdbstub_intercept(struct pt_regs *, enum exception_code);
extern asmlinkage void gdbstub_exception(struct pt_regs *, enum exception_code);
extern asmlinkage void __gdbstub_bug_trap(void);
extern asmlinkage void __gdbstub_pause(void);

#ifdef CONFIG_MN10300_CACHE_ENABLED
extern asmlinkage void gdbstub_purge_cache(void);
#else
#define gdbstub_purge_cache()	do {} while (0)
#endif

/* Used to prevent crashes in memory access */
extern asmlinkage int  gdbstub_read_byte(const u8 *, u8 *);
extern asmlinkage int  gdbstub_read_word(const u8 *, u8 *);
extern asmlinkage int  gdbstub_read_dword(const u8 *, u8 *);
extern asmlinkage int  gdbstub_write_byte(u32, u8 *);
extern asmlinkage int  gdbstub_write_word(u32, u8 *);
extern asmlinkage int  gdbstub_write_dword(u32, u8 *);

extern asmlinkage void gdbstub_read_byte_guard(void);
extern asmlinkage void gdbstub_read_byte_cont(void);
extern asmlinkage void gdbstub_read_word_guard(void);
extern asmlinkage void gdbstub_read_word_cont(void);
extern asmlinkage void gdbstub_read_dword_guard(void);
extern asmlinkage void gdbstub_read_dword_cont(void);
extern asmlinkage void gdbstub_write_byte_guard(void);
extern asmlinkage void gdbstub_write_byte_cont(void);
extern asmlinkage void gdbstub_write_word_guard(void);
extern asmlinkage void gdbstub_write_word_cont(void);
extern asmlinkage void gdbstub_write_dword_guard(void);
extern asmlinkage void gdbstub_write_dword_cont(void);

extern u8	gdbstub_rx_buffer[PAGE_SIZE];
extern u32	gdbstub_rx_inp;
extern u32	gdbstub_rx_outp;
extern u8	gdbstub_rx_overflow;
extern u8	gdbstub_busy;
extern u8	gdbstub_rx_unget;

#ifdef CONFIG_GDBSTUB_DEBUGGING
extern void gdbstub_printk(const char *fmt, ...)
	__attribute__((format(printf, 1, 2)));
#else
static inline __attribute__((format(printf, 1, 2)))
void gdbstub_printk(const char *fmt, ...)
{
}
#endif

#ifdef CONFIG_GDBSTUB_DEBUG_ENTRY
#define gdbstub_entry(FMT, ...) gdbstub_printk(FMT, ##__VA_ARGS__)
#else
#define gdbstub_entry(FMT, ...) no_printk(FMT, ##__VA_ARGS__)
#endif

#ifdef CONFIG_GDBSTUB_DEBUG_PROTOCOL
#define gdbstub_proto(FMT, ...) gdbstub_printk(FMT, ##__VA_ARGS__)
#else
#define gdbstub_proto(FMT, ...) no_printk(FMT, ##__VA_ARGS__)
#endif

#ifdef CONFIG_GDBSTUB_DEBUG_IO
#define gdbstub_io(FMT, ...) gdbstub_printk(FMT, ##__VA_ARGS__)
#else
#define gdbstub_io(FMT, ...) no_printk(FMT, ##__VA_ARGS__)
#endif

#ifdef CONFIG_GDBSTUB_DEBUG_BREAKPOINT
#define gdbstub_bkpt(FMT, ...) gdbstub_printk(FMT, ##__VA_ARGS__)
#else
#define gdbstub_bkpt(FMT, ...) no_printk(FMT, ##__VA_ARGS__)
#endif

#endif /* !__ASSEMBLY__ */
#endif /* _ASM_GDB_STUB_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 314 B 0644
asm-offsets.h File 35 B 0644
atomic.h File 4.02 KB 0644
bitops.h File 5.42 KB 0644
bug.h File 864 B 0644
bugs.h File 561 B 0644
busctl-regs.h File 7.8 KB 0644
cache.h File 2.06 KB 0644
cacheflush.h File 7.6 KB 0644
checksum.h File 2.09 KB 0644
cmpxchg.h File 2.65 KB 0644
cpu-regs.h File 16.61 KB 0644
current.h File 922 B 0644
debugger.h File 1.2 KB 0644
delay.h File 597 B 0644
div64.h File 3.21 KB 0644
dma-mapping.h File 636 B 0644
dma.h File 3.09 KB 0644
dmactl-regs.h File 532 B 0644
elf.h File 4.49 KB 0644
emergency-restart.h File 43 B 0644
exceptions.h File 4.74 KB 0644
fpu.h File 3.57 KB 0644
frame.inc File 2.37 KB 0644
ftrace.h File 12 B 0644
futex.h File 31 B 0644
gdb-stub.h File 5.42 KB 0644
hardirq.h File 1.68 KB 0644
highmem.h File 3.01 KB 0644
hw_irq.h File 483 B 0644
intctl-regs.h File 2.26 KB 0644
io.h File 7.67 KB 0644
irq.h File 1.11 KB 0644
irq_regs.h File 751 B 0644
irqflags.h File 4.05 KB 0644
kdebug.h File 561 B 0644
kgdb.h File 1.7 KB 0644
kmap_types.h File 160 B 0644
kprobes.h File 1.59 KB 0644
linkage.h File 593 B 0644
local.h File 31 B 0644
local64.h File 33 B 0644
mc146818rtc.h File 26 B 0644
mmu.h File 434 B 0644
mmu_context.h File 4.44 KB 0644
module.h File 677 B 0644
nmi.h File 500 B 0644
page.h File 3.63 KB 0644
page_offset.h File 302 B 0644
pci.h File 2.17 KB 0644
percpu.h File 32 B 0644
pgalloc.h File 1.49 KB 0644
pgtable.h File 15.68 KB 0644
pio-regs.h File 7.53 KB 0644
processor.h File 4.12 KB 0644
ptrace.h File 805 B 0644
reset-regs.h File 1.8 KB 0644
rtc-regs.h File 3.57 KB 0644
rtc.h File 692 B 0644
rwlock.h File 2.98 KB 0644
serial-regs.h File 8.85 KB 0644
serial.h File 1.02 KB 0644
setup.h File 574 B 0644
shmparam.h File 182 B 0644
signal.h File 888 B 0644
smp.h File 3.06 KB 0644
smsc911x.h File 27 B 0644
spinlock.h File 3.84 KB 0644
spinlock_types.h File 445 B 0644
string.h File 1.03 KB 0644
switch_to.h File 1.49 KB 0644
syscall.h File 2.38 KB 0644
termios.h File 387 B 0644
thread_info.h File 4.36 KB 0644
timer-regs.h File 20.72 KB 0644
timex.h File 843 B 0644
tlb.h File 941 B 0644
tlbflush.h File 3.45 KB 0644
topology.h File 34 B 0644
types.h File 620 B 0644
uaccess.h File 7.78 KB 0644
ucontext.h File 673 B 0644
unaligned.h File 678 B 0644
unistd.h File 1.34 KB 0644
user.h File 1.91 KB 0644
vga.h File 471 B 0644
xor.h File 29 B 0644