ubc.h File Reference

User-break controller support. More...

#include <sys/cdefs.h>
#include <arch/types.h>

Go to the source code of this file.

Macros
#define	BARA   (*((vuint32*)0xFF200000))
	BARA register.
#define	BASRA   (*((vuint8*)0xFF000014))
	BASRA register.
#define	BAMRA   (*((vuint8*)0xFF200004))
	BAMRA register.
#define	BBRA   (*((vuint16*)0xFF200008))
	BBRA register.
#define	BARB   (*((vuint32*)0xFF20000C))
	BARB register.
#define	BASRB   (*((vuint8*)0xFF000018))
	BASRB register.
#define	BAMRB   (*((vuint8*)0xFF200010))
	BAMRB register.
#define	BBRB   (*((vuint16*)0xFF200014))
	BBRB register.
#define	BRCR   (*((vuint16*)0xFF200020))
	BRCR register.

Functions
static void	ubc_pause ()
	Pause after setting UBC parameters.
static void	ubc_disable_all ()
	Disable all UBC breakpoints.
static void	ubc_break_data_write (uint32 address)
	Set a UBC data-write breakpoint at the given address.
static void	ubc_break_inst (uint32 address, int use_dbr)
	Set a UBC instruction access breakpoint at the given address.

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Detailed Description

User-break controller support.

This file defines some functionality for using the SH4 UBC.

Author:

Dan Potter

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Function Documentation

static void ubc_break_data_write ( uint32  address )

inlinestatic

Set a UBC data-write breakpoint at the given address.

Parameters:

address

The address to set the breakpoint at

References BAMRA, BARA, BASRA, BBRA, BRCR, and ubc_pause().

static void ubc_break_inst ( uint32  address, int  use_dbr  )

inlinestatic

Set a UBC instruction access breakpoint at the given address.

Parameters:

address	The address to set the breakpoint at.
use_dbr	Use the DBR register as the base for the exception.

References BAMRA, BARA, BASRA, BBRA, BRCR, and ubc_pause().

static void ubc_disable_all ( )

inlinestatic

Disable all UBC breakpoints.

References BBRA, BBRB, and ubc_pause().

static void ubc_pause ( )

inlinestatic

Pause after setting UBC parameters.

Referenced by ubc_break_data_write(), ubc_break_inst(), and ubc_disable_all().