gdb-io.c File Reference

#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/console.h>
#include <linux/init.h>
#include <linux/serial_reg.h>
#include <asm/pgtable.h>
#include <asm/irc-regs.h>
#include <asm/timer-regs.h>
#include <asm/gdb-stub.h>
#include "gdb-io.h"

Go to the source code of this file.

Macros
#define	__UART(X)   (*(volatile uint8_t *)(UART1_BASE + (UART_##X)))
#define	__UART_IRR_NMI   0xfff00000
#define	LSR_WAIT_FOR(STATE)
#define	FLOWCTL_QUERY(LINE)   ({ __UART(MSR) & UART_MSR_##LINE; })
#define	FLOWCTL_CLEAR(LINE)   do { __UART(MCR) &= ~UART_MCR_##LINE; mb(); } while (0)
#define	FLOWCTL_SET(LINE)   do { __UART(MCR) |= UART_MCR_##LINE; mb(); } while (0)
#define	FLOWCTL_WAIT_FOR(LINE)

Functions
void	gdbstub_io_init (void)
void	gdbstub_set_baud (unsigned baud)
void	gdbstub_do_rx (void)
int	gdbstub_rx_char (unsigned char *_ch, int nonblock)
void	gdbstub_tx_char (unsigned char ch)
void	gdbstub_tx_flush (void)

Macro Definition Documentation

#define __UART

(

X

)

(*(volatile uint8_t *)(UART1_BASE + (UART_##X)))

Definition at line 31 of file gdb-io.c.

#define __UART_IRR_NMI   0xfff00000

Definition at line 32 of file gdb-io.c.

#define FLOWCTL_CLEAR

(

LINE

)

do { __UART(MCR) &= ~UART_MCR_##LINE; mb(); } while (0)

Definition at line 41 of file gdb-io.c.

#define FLOWCTL_QUERY

(

LINE

)

({ __UART(MSR) & UART_MSR_##LINE; })

Definition at line 40 of file gdb-io.c.

#define FLOWCTL_SET

(

LINE

)

do { __UART(MCR) |= UART_MCR_##LINE; mb(); } while (0)

Definition at line 42 of file gdb-io.c.

#define FLOWCTL_WAIT_FOR

(

LINE

)

Value:

do {                        \
    gdbstub_do_rx();            \
} while(!FLOWCTL_QUERY(LINE))

Definition at line 44 of file gdb-io.c.

#define LSR_WAIT_FOR

(

STATE

)

Value:

do {                        \
    gdbstub_do_rx();            \
} while (!(__UART(LSR) & UART_LSR_##STATE))

Definition at line 35 of file gdb-io.c.

Function Documentation

void gdbstub_do_rx

(

void

)

Definition at line 112 of file gdb-io.c.

void gdbstub_io_init

(

void

)

Definition at line 54 of file gdb-io.c.

int gdbstub_rx_char	(	unsigned char *	_ch,
		int	nonblock
	)

Definition at line 139 of file gdb-io.c.

void gdbstub_set_baud

(

unsigned

baud

)

Definition at line 81 of file gdb-io.c.

void gdbstub_tx_char

(

unsigned char

ch

)

Definition at line 188 of file gdb-io.c.

void gdbstub_tx_flush

(

void

)

Definition at line 210 of file gdb-io.c.