patch-2.4.19 linux-2.4.19/arch/mips64/mips-boards/generic/gdb_hook.c

• Lines: 203
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.18/arch/mips64/mips-boards/generic/gdb_hook.c
• Orig date: Sun Sep 9 10:43:02 2001

diff -urN linux-2.4.18/arch/mips64/mips-boards/generic/gdb_hook.c linux-2.4.19/arch/mips64/mips-boards/generic/gdb_hook.c
@@ -1,202 +0,0 @@
-/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
- *
- * ########################################################################
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope it will be useful, but WITHOUT
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- *  for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * ########################################################################
- *
- * This is the interface to the remote debugger stub.
- *
- */
-
-#include <linux/serialP.h>
-#include <linux/serial_reg.h>
-
-#include <asm/serial.h>
-#include <asm/io.h>
-
-static struct serial_state rs_table[RS_TABLE_SIZE] = {
-	SERIAL_PORT_DFNS	/* Defined in serial.h */
-};
-
-static struct async_struct kdb_port_info = {0};
-
-
-static __inline__ unsigned int serial_in(struct async_struct *info, int offset)
-{
-	return inb(info->port + offset);
-}
-
-static __inline__ void serial_out(struct async_struct *info, int offset,
-				int value)
-{
-	outb(value, info->port+offset);
-}
-
-void rs_kgdb_hook(int tty_no) {
-	int t;
-	struct serial_state *ser = &rs_table[tty_no];
-
-	kdb_port_info.state = ser;
-	kdb_port_info.magic = SERIAL_MAGIC;
-	kdb_port_info.port = ser->port;
-	kdb_port_info.flags = ser->flags;
-
-	/*
-	 * Clear all interrupts
-	 */
-	serial_in(&kdb_port_info, UART_LSR);
-	serial_in(&kdb_port_info, UART_RX);
-	serial_in(&kdb_port_info, UART_IIR);
-	serial_in(&kdb_port_info, UART_MSR);
-
-	/*
-	 * Now, initialize the UART 
-	 */
-	serial_out(&kdb_port_info, UART_LCR, UART_LCR_WLEN8);	/* reset DLAB */
-	if (kdb_port_info.flags & ASYNC_FOURPORT) {
-		kdb_port_info.MCR = UART_MCR_DTR | UART_MCR_RTS;
-		t = UART_MCR_DTR | UART_MCR_OUT1;
-	} else {
-		kdb_port_info.MCR 
-			= UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2;
-		t = UART_MCR_DTR | UART_MCR_RTS;
-	}
-
-	kdb_port_info.MCR = t;		/* no interrupts, please */
-	serial_out(&kdb_port_info, UART_MCR, kdb_port_info.MCR);
-	
-	/*
-	 * and set the speed of the serial port
-	 * (currently hardwired to 9600 8N1
-	 */
-
-	/* baud rate is fixed to 9600 (is this sufficient?)*/
-	t = kdb_port_info.state->baud_base / 9600;	
-	/* set DLAB */
-	serial_out(&kdb_port_info, UART_LCR, UART_LCR_WLEN8 | UART_LCR_DLAB);
-	serial_out(&kdb_port_info, UART_DLL, t & 0xff);/* LS of divisor */
-	serial_out(&kdb_port_info, UART_DLM, t >> 8);  /* MS of divisor */
-	/* reset DLAB */
-	serial_out(&kdb_port_info, UART_LCR, UART_LCR_WLEN8);
-}
-
-int rs_putDebugChar(char c)
-{
-
-	if (!kdb_port_info.state) { 	/* need to init device first */
-		return 0;
-	}
-
-	while ((serial_in(&kdb_port_info, UART_LSR) & UART_LSR_THRE) == 0)
-		;
-
-	serial_out(&kdb_port_info, UART_TX, c);
-
-	return 1;
-}
-
-char rs_getDebugChar(void)
-{
-	if (!kdb_port_info.state) { 	/* need to init device first */
-		return 0;
-	}
-
-	while (!(serial_in(&kdb_port_info, UART_LSR) & 1))
-		;
-
-	return(serial_in(&kdb_port_info, UART_RX));
-}
-
-
-#ifdef CONFIG_MIPS_ATLAS
-
-#include <asm/mips-boards/atlas.h>
-#include <asm/mips-boards/saa9730_uart.h>
-
-#define INB(a)     inb((unsigned long)a)
-#define OUTB(x,a)  outb(x,(unsigned long)a)
-
-/*
- * This is the interface to the remote debugger stub
- * if the Philips part is used for the debug port,
- * called from the platform setup code.
- *
- * PCI init will not have been done yet, we make a
- * universal assumption about the way the bootloader (YAMON)
- * have located and set up the chip.
- */
-static t_uart_saa9730_regmap *kgdb_uart = (void *)(ATLAS_SAA9730_REG + SAA9730_UART_REGS_ADDR);
-
-static int saa9730_kgdb_active = 0;
-
-void saa9730_kgdb_hook(void) 
-{
-        volatile unsigned char t;
-
-        /*
-         * Clear all interrupts
-         */
-	t = INB(&kgdb_uart->Lsr);
-	t += INB(&kgdb_uart->Msr);
-	t += INB(&kgdb_uart->Thr_Rbr);
-	t += INB(&kgdb_uart->Iir_Fcr);
-
-        /*
-         * Now, initialize the UART
-         */
-	/* 8 data bits, one stop bit, no parity */
-	OUTB(SAA9730_LCR_DATA8, &kgdb_uart->Lcr);
-
-        /* baud rate is fixed to 9600 (is this sufficient?)*/
-	OUTB(0, &kgdb_uart->BaudDivMsb); /* HACK - Assumes standard crystal */
-	OUTB(23, &kgdb_uart->BaudDivLsb); /* HACK - known for MIPS Atlas */
-
-	/* Set RTS/DTR active */
-	OUTB(SAA9730_MCR_DTR | SAA9730_MCR_RTS, &kgdb_uart->Mcr);
-	saa9730_kgdb_active = 1;
-}
-
-int saa9730_putDebugChar(char c)
-{
-
-        if (!saa9730_kgdb_active) {     /* need to init device first */
-                return 0;
-        }
-
-        while (!(INB(&kgdb_uart->Lsr) & SAA9730_LSR_THRE))
-                ;
-	OUTB(c, &kgdb_uart->Thr_Rbr);
-
-        return 1;
-}
-
-char saa9730_getDebugChar(void)
-{
-	char c;
-
-        if (!saa9730_kgdb_active) {     /* need to init device first */
-                return 0;
-        }
-        while (!(INB(&kgdb_uart->Lsr) & SAA9730_LSR_DR))
-                ;
-
-	c = INB(&kgdb_uart->Thr_Rbr);
-        return(c);
-}
-
-#endif