[PATCH 4/5] MN10300: Remove checks for GDBSTUB related Kconfig macros

From: Paul Bolle
Date: Thu Sep 18 2014 - 14:33:44 EST


All Kconfig symbols (indirectly) depending on GDBSTUB were removed. Now
remove the checks for their macros and all dead code hidden behind them.

Signed-off-by: Paul Bolle <pebolle@xxxxxxxxxx>
---
arch/mn10300/boot/compressed/misc.c | 9 -
arch/mn10300/include/asm/gdb-stub.h | 21 --
arch/mn10300/kernel/Makefile | 2 -
arch/mn10300/kernel/gdb-io-serial-low.S | 91 -------
arch/mn10300/kernel/gdb-io-serial.c | 174 --------------
arch/mn10300/kernel/gdb-io-ttysm-low.S | 93 --------
arch/mn10300/kernel/gdb-io-ttysm.c | 303 ------------------------
arch/mn10300/kernel/mn10300-serial.c | 9 -
arch/mn10300/kernel/mn10300-serial.h | 14 --
arch/mn10300/unit-asb2303/include/unit/serial.h | 85 -------
arch/mn10300/unit-asb2305/include/unit/serial.h | 78 ------
arch/mn10300/unit-asb2305/unit-init.c | 2 -
arch/mn10300/unit-asb2364/include/unit/serial.h | 66 ------
13 files changed, 947 deletions(-)
delete mode 100644 arch/mn10300/kernel/gdb-io-serial-low.S
delete mode 100644 arch/mn10300/kernel/gdb-io-serial.c
delete mode 100644 arch/mn10300/kernel/gdb-io-ttysm-low.S
delete mode 100644 arch/mn10300/kernel/gdb-io-ttysm.c

diff --git a/arch/mn10300/boot/compressed/misc.c b/arch/mn10300/boot/compressed/misc.c
index 42cbd77bd439..14a1f0b2dbf8 100644
--- a/arch/mn10300/boot/compressed/misc.c
+++ b/arch/mn10300/boot/compressed/misc.c
@@ -14,7 +14,6 @@
#include <asm/serial-regs.h>
#include "misc.h"

-#ifndef CONFIG_GDBSTUB_ON_TTYSx
/* display 'Uncompressing Linux... ' messages on ttyS0 or ttyS1 */
#if 1 /* ttyS0 */
#define CYG_DEV_BASE 0xA6FB0000
@@ -43,7 +42,6 @@
do { CYG_DEV_MCR &= ~SIO_MCR_##LINE; } while (0)
#define FLOWCTL_SET(LINE) \
do { CYG_DEV_MCR |= SIO_MCR_##LINE; } while (0)
-#endif

/*
* gzip declarations
@@ -211,7 +209,6 @@ static inline void kputchar(unsigned char ch)
static void kputs(const char *s)
{
#ifdef CONFIG_DEBUG_DECOMPRESS_KERNEL
-#ifndef CONFIG_GDBSTUB_ON_TTYSx
char ch;

FLOWCTL_SET(DTR);
@@ -228,12 +225,6 @@ static void kputs(const char *s)
}

FLOWCTL_CLEAR(DTR);
-#else
-
- for (; *s; s++)
- kputchar(*s);
-
-#endif
#endif /* CONFIG_DEBUG_DECOMPRESS_KERNEL */
}

diff --git a/arch/mn10300/include/asm/gdb-stub.h b/arch/mn10300/include/asm/gdb-stub.h
index f5495ad82b77..8aa71a966d00 100644
--- a/arch/mn10300/include/asm/gdb-stub.h
+++ b/arch/mn10300/include/asm/gdb-stub.h
@@ -144,39 +144,18 @@ 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 */
diff --git a/arch/mn10300/kernel/Makefile b/arch/mn10300/kernel/Makefile
index ce9f01778a86..1ddc8e22c628 100644
--- a/arch/mn10300/kernel/Makefile
+++ b/arch/mn10300/kernel/Makefile
@@ -17,8 +17,6 @@ obj-$(CONFIG_MN10300_WD_TIMER) += mn10300-watchdog.o mn10300-watchdog-low.o

obj-$(CONFIG_MN10300_TTYSM) += mn10300-serial.o mn10300-serial-low.o \
mn10300-debug.o
-obj-$(CONFIG_GDBSTUB_ON_TTYSx) += gdb-io-serial.o gdb-io-serial-low.o
-obj-$(CONFIG_GDBSTUB_ON_TTYSMx) += gdb-io-ttysm.o gdb-io-ttysm-low.o

obj-$(CONFIG_MN10300_RTC) += rtc.o
obj-$(CONFIG_PROFILE) += profile.o profile-low.o
diff --git a/arch/mn10300/kernel/gdb-io-serial-low.S b/arch/mn10300/kernel/gdb-io-serial-low.S
deleted file mode 100644
index b1d0152e96cb..000000000000
--- a/arch/mn10300/kernel/gdb-io-serial-low.S
+++ /dev/null
@@ -1,91 +0,0 @@
-###############################################################################
-#
-# 16550 serial Rx interrupt handler for gdbstub I/O
-#
-# Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
-# Written by David Howells (dhowells@xxxxxxxxxx)
-#
-# 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.
-#
-###############################################################################
-#include <linux/sys.h>
-#include <linux/linkage.h>
-#include <asm/smp.h>
-#include <asm/cpu-regs.h>
-#include <asm/thread_info.h>
-#include <asm/frame.inc>
-#include <asm/intctl-regs.h>
-#include <asm/irqflags.h>
-#include <unit/serial.h>
-
- .text
-
-###############################################################################
-#
-# GDB stub serial receive interrupt entry point
-# - intended to run at interrupt priority 0
-#
-###############################################################################
- .globl gdbstub_io_rx_handler
- .type gdbstub_io_rx_handler,@function
-gdbstub_io_rx_handler:
- movm [d2,d3,a2,a3],(sp)
-
-#if 1
- movbu (GDBPORT_SERIAL_IIR),d2
-#endif
-
- mov (gdbstub_rx_inp),a3
-gdbstub_io_rx_more:
- mov a3,a2
- add 2,a3
- and 0x00000fff,a3
- mov (gdbstub_rx_outp),d3
- cmp a3,d3
- beq gdbstub_io_rx_overflow
-
- movbu (GDBPORT_SERIAL_LSR),d3
- btst UART_LSR_DR,d3
- beq gdbstub_io_rx_done
- movbu (GDBPORT_SERIAL_RX),d2
- movbu d3,(gdbstub_rx_buffer+1,a2)
- movbu d2,(gdbstub_rx_buffer,a2)
- mov a3,(gdbstub_rx_inp)
- bra gdbstub_io_rx_more
-
-gdbstub_io_rx_done:
- mov GxICR_DETECT,d2
- movbu d2,(XIRQxICR(GDBPORT_SERIAL_IRQ)) # ACK the interrupt
- movhu (XIRQxICR(GDBPORT_SERIAL_IRQ)),d2 # flush
- movm (sp),[d2,d3,a2,a3]
- bset 0x01,(gdbstub_busy)
- beq gdbstub_io_rx_enter
- rti
-
-gdbstub_io_rx_overflow:
- bset 0x01,(gdbstub_rx_overflow)
- bra gdbstub_io_rx_done
-
-gdbstub_io_rx_enter:
- LOCAL_CHANGE_INTR_MASK_LEVEL(NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL+1))
- add -4,sp
- SAVE_ALL
-
- mov 0xffffffff,d0
- mov d0,(REG_ORIG_D0,fp)
- mov 0x280,d1
-
- mov fp,d0
- call gdbstub_rx_irq[],0 # gdbstub_rx_irq(regs,excep)
-
- LOCAL_CLI
- bclr 0x01,(gdbstub_busy)
-
- .globl gdbstub_return
-gdbstub_return:
- RESTORE_ALL
-
- .size gdbstub_io_rx_handler,.-gdbstub_io_rx_handler
diff --git a/arch/mn10300/kernel/gdb-io-serial.c b/arch/mn10300/kernel/gdb-io-serial.c
deleted file mode 100644
index df51242744cc..000000000000
--- a/arch/mn10300/kernel/gdb-io-serial.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/* 16550 serial driver for gdbstub I/O
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@xxxxxxxxxx)
- *
- * 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.
- */
-#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/nmi.h>
-
-#include <asm/pgtable.h>
-#include <asm/gdb-stub.h>
-#include <asm/exceptions.h>
-#include <asm/serial-regs.h>
-#include <unit/serial.h>
-#include <asm/smp.h>
-
-/*
- * initialise the GDB stub
- */
-void gdbstub_io_init(void)
-{
- u16 tmp;
-
- /* set up the serial port */
- GDBPORT_SERIAL_LCR = UART_LCR_WLEN8; /* 1N8 */
- GDBPORT_SERIAL_FCR = (UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR |
- UART_FCR_CLEAR_XMIT);
-
- FLOWCTL_CLEAR(DTR);
- FLOWCTL_SET(RTS);
-
- gdbstub_io_set_baud(115200);
-
- /* we want to get serial receive interrupts */
- XIRQxICR(GDBPORT_SERIAL_IRQ) = 0;
- tmp = XIRQxICR(GDBPORT_SERIAL_IRQ);
-
-#if CONFIG_GDBSTUB_IRQ_LEVEL == 0
- IVAR0 = EXCEP_IRQ_LEVEL0;
-#elif CONFIG_GDBSTUB_IRQ_LEVEL == 1
- IVAR1 = EXCEP_IRQ_LEVEL1;
-#elif CONFIG_GDBSTUB_IRQ_LEVEL == 2
- IVAR2 = EXCEP_IRQ_LEVEL2;
-#elif CONFIG_GDBSTUB_IRQ_LEVEL == 3
- IVAR3 = EXCEP_IRQ_LEVEL3;
-#elif CONFIG_GDBSTUB_IRQ_LEVEL == 4
- IVAR4 = EXCEP_IRQ_LEVEL4;
-#elif CONFIG_GDBSTUB_IRQ_LEVEL == 5
- IVAR5 = EXCEP_IRQ_LEVEL5;
-#else
-#error "Unknown irq level for gdbstub."
-#endif
-
- set_intr_stub(NUM2EXCEP_IRQ_LEVEL(CONFIG_GDBSTUB_IRQ_LEVEL),
- gdbstub_io_rx_handler);
-
- XIRQxICR(GDBPORT_SERIAL_IRQ) &= ~GxICR_REQUEST;
- XIRQxICR(GDBPORT_SERIAL_IRQ) =
- GxICR_ENABLE | NUM2GxICR_LEVEL(CONFIG_GDBSTUB_IRQ_LEVEL);
- tmp = XIRQxICR(GDBPORT_SERIAL_IRQ);
-
- GDBPORT_SERIAL_IER = UART_IER_RDI | UART_IER_RLSI;
-
- /* permit level 0 IRQs to take place */
- arch_local_change_intr_mask_level(
- NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1));
-}
-
-/*
- * set up the GDB stub serial port baud rate timers
- */
-void gdbstub_io_set_baud(unsigned baud)
-{
- unsigned value;
- u8 lcr;
-
- value = 18432000 / 16 / baud;
-
- lcr = GDBPORT_SERIAL_LCR;
- GDBPORT_SERIAL_LCR |= UART_LCR_DLAB;
- GDBPORT_SERIAL_DLL = value & 0xff;
- GDBPORT_SERIAL_DLM = (value >> 8) & 0xff;
- GDBPORT_SERIAL_LCR = lcr;
-}
-
-/*
- * wait for a character to come from the debugger
- */
-int gdbstub_io_rx_char(unsigned char *_ch, int nonblock)
-{
- unsigned ix;
- u8 ch, st;
-#if defined(CONFIG_MN10300_WD_TIMER)
- int cpu;
-#endif
-
- *_ch = 0xff;
-
- if (gdbstub_rx_unget) {
- *_ch = gdbstub_rx_unget;
- gdbstub_rx_unget = 0;
- return 0;
- }
-
- try_again:
- /* pull chars out of the buffer */
- ix = gdbstub_rx_outp;
- barrier();
- if (ix == gdbstub_rx_inp) {
- if (nonblock)
- return -EAGAIN;
-#ifdef CONFIG_MN10300_WD_TIMER
- for (cpu = 0; cpu < NR_CPUS; cpu++)
- watchdog_alert_counter[cpu] = 0;
-#endif
- goto try_again;
- }
-
- ch = gdbstub_rx_buffer[ix++];
- st = gdbstub_rx_buffer[ix++];
- barrier();
- gdbstub_rx_outp = ix & 0x00000fff;
-
- if (st & UART_LSR_BI) {
- gdbstub_proto("### GDB Rx Break Detected ###\n");
- return -EINTR;
- } else if (st & (UART_LSR_FE | UART_LSR_OE | UART_LSR_PE)) {
- gdbstub_proto("### GDB Rx Error (st=%02x) ###\n", st);
- return -EIO;
- } else {
- gdbstub_proto("### GDB Rx %02x (st=%02x) ###\n", ch, st);
- *_ch = ch & 0x7f;
- return 0;
- }
-}
-
-/*
- * send a character to the debugger
- */
-void gdbstub_io_tx_char(unsigned char ch)
-{
- FLOWCTL_SET(DTR);
- LSR_WAIT_FOR(THRE);
- /* FLOWCTL_WAIT_FOR(CTS); */
-
- if (ch == 0x0a) {
- GDBPORT_SERIAL_TX = 0x0d;
- LSR_WAIT_FOR(THRE);
- /* FLOWCTL_WAIT_FOR(CTS); */
- }
- GDBPORT_SERIAL_TX = ch;
-
- FLOWCTL_CLEAR(DTR);
-}
-
-/*
- * send a character to the debugger
- */
-void gdbstub_io_tx_flush(void)
-{
- LSR_WAIT_FOR(TEMT);
- LSR_WAIT_FOR(THRE);
- FLOWCTL_CLEAR(DTR);
-}
diff --git a/arch/mn10300/kernel/gdb-io-ttysm-low.S b/arch/mn10300/kernel/gdb-io-ttysm-low.S
deleted file mode 100644
index 060b7cca735d..000000000000
--- a/arch/mn10300/kernel/gdb-io-ttysm-low.S
+++ /dev/null
@@ -1,93 +0,0 @@
-###############################################################################
-#
-# MN10300 On-chip serial Rx interrupt handler for GDB stub I/O
-#
-# Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
-# Written by David Howells (dhowells@xxxxxxxxxx)
-#
-# 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.
-#
-###############################################################################
-#include <linux/sys.h>
-#include <linux/linkage.h>
-#include <asm/smp.h>
-#include <asm/thread_info.h>
-#include <asm/cpu-regs.h>
-#include <asm/frame.inc>
-#include <asm/intctl-regs.h>
-#include <unit/serial.h>
-#include "mn10300-serial.h"
-
- .text
-
-###############################################################################
-#
-# GDB stub serial receive interrupt entry point
-# - intended to run at interrupt priority 0
-#
-###############################################################################
- .globl gdbstub_io_rx_handler
- .type gdbstub_io_rx_handler,@function
-gdbstub_io_rx_handler:
- movm [d2,d3,a2,a3],(sp)
-
- mov (gdbstub_rx_inp),a3
-gdbstub_io_rx_more:
- mov a3,a2
- add 2,a3
- and PAGE_SIZE_asm-1,a3
- mov (gdbstub_rx_outp),d3
- cmp a3,d3
- beq gdbstub_io_rx_overflow
-
- movbu (SCgSTR),d3
- btst SC01STR_RBF,d3
- beq gdbstub_io_rx_done
- movbu (SCgRXB),d2
- movbu d3,(gdbstub_rx_buffer+1,a2)
- movbu d2,(gdbstub_rx_buffer,a2)
- mov a3,(gdbstub_rx_inp)
- bra gdbstub_io_rx_more
-
-gdbstub_io_rx_done:
- mov GxICR_DETECT,d2
- movbu d2,(GxICR(SCgRXIRQ)) # ACK the interrupt
- movhu (GxICR(SCgRXIRQ)),d2 # flush
-
- movm (sp),[d2,d3,a2,a3]
- bset 0x01,(gdbstub_busy)
- beq gdbstub_io_rx_enter
- rti
-
-gdbstub_io_rx_overflow:
- bset 0x01,(gdbstub_rx_overflow)
- bra gdbstub_io_rx_done
-
-###############################################################################
-#
-# debugging interrupt - enter the GDB stub proper
-#
-###############################################################################
-gdbstub_io_rx_enter:
- or EPSW_IE|EPSW_IM_1,epsw
- add -4,sp
- SAVE_ALL
-
- mov 0xffffffff,d0
- mov d0,(REG_ORIG_D0,fp)
- mov 0x280,d1
-
- mov fp,d0
- call gdbstub_rx_irq[],0 # gdbstub_io_rx_irq(regs,excep)
-
- and ~EPSW_IE,epsw
- bclr 0x01,(gdbstub_busy)
-
- .globl gdbstub_return
-gdbstub_return:
- RESTORE_ALL
-
- .size gdbstub_io_rx_handler,.-gdbstub_io_rx_handler
diff --git a/arch/mn10300/kernel/gdb-io-ttysm.c b/arch/mn10300/kernel/gdb-io-ttysm.c
deleted file mode 100644
index caae8cac9db1..000000000000
--- a/arch/mn10300/kernel/gdb-io-ttysm.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/* MN10300 On-chip serial driver for gdbstub I/O
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@xxxxxxxxxx)
- *
- * 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.
- */
-#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/tty.h>
-#include <asm/pgtable.h>
-#include <asm/gdb-stub.h>
-#include <asm/exceptions.h>
-#include <unit/clock.h>
-#include "mn10300-serial.h"
-
-#if defined(CONFIG_GDBSTUB_ON_TTYSM0)
-struct mn10300_serial_port *const gdbstub_port = &mn10300_serial_port_sif0;
-#elif defined(CONFIG_GDBSTUB_ON_TTYSM1)
-struct mn10300_serial_port *const gdbstub_port = &mn10300_serial_port_sif1;
-#else
-struct mn10300_serial_port *const gdbstub_port = &mn10300_serial_port_sif2;
-#endif
-
-
-/*
- * initialise the GDB stub I/O routines
- */
-void __init gdbstub_io_init(void)
-{
- uint16_t scxctr;
- int tmp;
-
- switch (gdbstub_port->clock_src) {
- case MNSCx_CLOCK_SRC_IOCLK:
- gdbstub_port->ioclk = MN10300_IOCLK;
- break;
-
-#ifdef MN10300_IOBCLK
- case MNSCx_CLOCK_SRC_IOBCLK:
- gdbstub_port->ioclk = MN10300_IOBCLK;
- break;
-#endif
- default:
- BUG();
- }
-
- /* set up the serial port */
- gdbstub_io_set_baud(115200);
-
- /* we want to get serial receive interrupts */
- set_intr_level(gdbstub_port->rx_irq,
- NUM2GxICR_LEVEL(CONFIG_DEBUGGER_IRQ_LEVEL));
- set_intr_level(gdbstub_port->tx_irq,
- NUM2GxICR_LEVEL(CONFIG_DEBUGGER_IRQ_LEVEL));
- set_intr_stub(NUM2EXCEP_IRQ_LEVEL(CONFIG_DEBUGGER_IRQ_LEVEL),
- gdbstub_io_rx_handler);
-
- *gdbstub_port->rx_icr |= GxICR_ENABLE;
- tmp = *gdbstub_port->rx_icr;
-
- /* enable the device */
- scxctr = SC01CTR_CLN_8BIT; /* 1N8 */
- switch (gdbstub_port->div_timer) {
- case MNSCx_DIV_TIMER_16BIT:
- scxctr |= SC0CTR_CK_TM8UFLOW_8; /* == SC1CTR_CK_TM9UFLOW_8
- == SC2CTR_CK_TM10UFLOW_8 */
- break;
-
- case MNSCx_DIV_TIMER_8BIT:
- scxctr |= SC0CTR_CK_TM2UFLOW_8;
- break;
- }
-
- scxctr |= SC01CTR_TXE | SC01CTR_RXE;
-
- *gdbstub_port->_control = scxctr;
- tmp = *gdbstub_port->_control;
-
- /* permit level 0 IRQs only */
- arch_local_change_intr_mask_level(
- NUM2EPSW_IM(CONFIG_DEBUGGER_IRQ_LEVEL + 1));
-}
-
-/*
- * set up the GDB stub serial port baud rate timers
- */
-void gdbstub_io_set_baud(unsigned baud)
-{
- const unsigned bits = 10; /* 1 [start] + 8 [data] + 0 [parity] +
- * 1 [stop] */
- unsigned long ioclk = gdbstub_port->ioclk;
- unsigned xdiv, tmp;
- uint16_t tmxbr;
- uint8_t tmxmd;
-
- if (!baud) {
- baud = 9600;
- } else if (baud == 134) {
- baud = 269; /* 134 is really 134.5 */
- xdiv = 2;
- }
-
-try_alternative:
- xdiv = 1;
-
- switch (gdbstub_port->div_timer) {
- case MNSCx_DIV_TIMER_16BIT:
- tmxmd = TM8MD_SRC_IOCLK;
- tmxbr = tmp = (ioclk / (baud * xdiv) + 4) / 8 - 1;
- if (tmp > 0 && tmp <= 65535)
- goto timer_okay;
-
- tmxmd = TM8MD_SRC_IOCLK_8;
- tmxbr = tmp = (ioclk / (baud * 8 * xdiv) + 4) / 8 - 1;
- if (tmp > 0 && tmp <= 65535)
- goto timer_okay;
-
- tmxmd = TM8MD_SRC_IOCLK_32;
- tmxbr = tmp = (ioclk / (baud * 32 * xdiv) + 4) / 8 - 1;
- if (tmp > 0 && tmp <= 65535)
- goto timer_okay;
-
- break;
-
- case MNSCx_DIV_TIMER_8BIT:
- tmxmd = TM2MD_SRC_IOCLK;
- tmxbr = tmp = (ioclk / (baud * xdiv) + 4) / 8 - 1;
- if (tmp > 0 && tmp <= 255)
- goto timer_okay;
-
- tmxmd = TM2MD_SRC_IOCLK_8;
- tmxbr = tmp = (ioclk / (baud * 8 * xdiv) + 4) / 8 - 1;
- if (tmp > 0 && tmp <= 255)
- goto timer_okay;
-
- tmxmd = TM2MD_SRC_IOCLK_32;
- tmxbr = tmp = (ioclk / (baud * 32 * xdiv) + 4) / 8 - 1;
- if (tmp > 0 && tmp <= 255)
- goto timer_okay;
- break;
- }
-
- /* as a last resort, if the quotient is zero, default to 9600 bps */
- baud = 9600;
- goto try_alternative;
-
-timer_okay:
- gdbstub_port->uart.timeout = (2 * bits * HZ) / baud;
- gdbstub_port->uart.timeout += HZ / 50;
-
- /* set the timer to produce the required baud rate */
- switch (gdbstub_port->div_timer) {
- case MNSCx_DIV_TIMER_16BIT:
- *gdbstub_port->_tmxmd = 0;
- *gdbstub_port->_tmxbr = tmxbr;
- *gdbstub_port->_tmxmd = TM8MD_INIT_COUNTER;
- *gdbstub_port->_tmxmd = tmxmd | TM8MD_COUNT_ENABLE;
- break;
-
- case MNSCx_DIV_TIMER_8BIT:
- *gdbstub_port->_tmxmd = 0;
- *(volatile u8 *) gdbstub_port->_tmxbr = (u8)tmxbr;
- *gdbstub_port->_tmxmd = TM2MD_INIT_COUNTER;
- *gdbstub_port->_tmxmd = tmxmd | TM2MD_COUNT_ENABLE;
- break;
- }
-}
-
-/*
- * wait for a character to come from the debugger
- */
-int gdbstub_io_rx_char(unsigned char *_ch, int nonblock)
-{
- unsigned ix;
- u8 ch, st;
-#if defined(CONFIG_MN10300_WD_TIMER)
- int cpu;
-#endif
-
- *_ch = 0xff;
-
- if (gdbstub_rx_unget) {
- *_ch = gdbstub_rx_unget;
- gdbstub_rx_unget = 0;
- return 0;
- }
-
-try_again:
- /* pull chars out of the buffer */
- ix = gdbstub_rx_outp;
- barrier();
- if (ix == gdbstub_rx_inp) {
- if (nonblock)
- return -EAGAIN;
-#ifdef CONFIG_MN10300_WD_TIMER
- for (cpu = 0; cpu < NR_CPUS; cpu++)
- watchdog_alert_counter[cpu] = 0;
-#endif
- goto try_again;
- }
-
- ch = gdbstub_rx_buffer[ix++];
- st = gdbstub_rx_buffer[ix++];
- barrier();
- gdbstub_rx_outp = ix & (PAGE_SIZE - 1);
-
- st &= SC01STR_RXF | SC01STR_RBF | SC01STR_FEF | SC01STR_PEF |
- SC01STR_OEF;
-
- /* deal with what we've got
- * - note that the UART doesn't do BREAK-detection for us
- */
- if (st & SC01STR_FEF && ch == 0) {
- switch (gdbstub_port->rx_brk) {
- case 0: gdbstub_port->rx_brk = 1; goto try_again;
- case 1: gdbstub_port->rx_brk = 2; goto try_again;
- case 2:
- gdbstub_port->rx_brk = 3;
- gdbstub_proto("### GDB MNSERIAL Rx Break Detected"
- " ###\n");
- return -EINTR;
- default:
- goto try_again;
- }
- } else if (st & SC01STR_FEF) {
- if (gdbstub_port->rx_brk)
- goto try_again;
-
- gdbstub_proto("### GDB MNSERIAL Framing Error ###\n");
- return -EIO;
- } else if (st & SC01STR_OEF) {
- if (gdbstub_port->rx_brk)
- goto try_again;
-
- gdbstub_proto("### GDB MNSERIAL Overrun Error ###\n");
- return -EIO;
- } else if (st & SC01STR_PEF) {
- if (gdbstub_port->rx_brk)
- goto try_again;
-
- gdbstub_proto("### GDB MNSERIAL Parity Error ###\n");
- return -EIO;
- } else {
- /* look for the tail-end char on a break run */
- if (gdbstub_port->rx_brk == 3) {
- switch (ch) {
- case 0xFF:
- case 0xFE:
- case 0xFC:
- case 0xF8:
- case 0xF0:
- case 0xE0:
- case 0xC0:
- case 0x80:
- case 0x00:
- gdbstub_port->rx_brk = 0;
- goto try_again;
- default:
- break;
- }
- }
-
- gdbstub_port->rx_brk = 0;
- gdbstub_io("### GDB Rx %02x (st=%02x) ###\n", ch, st);
- *_ch = ch & 0x7f;
- return 0;
- }
-}
-
-/*
- * send a character to the debugger
- */
-void gdbstub_io_tx_char(unsigned char ch)
-{
- while (*gdbstub_port->_status & SC01STR_TBF)
- continue;
-
- if (ch == 0x0a) {
- *(u8 *) gdbstub_port->_txb = 0x0d;
- while (*gdbstub_port->_status & SC01STR_TBF)
- continue;
- }
-
- *(u8 *) gdbstub_port->_txb = ch;
-}
-
-/*
- * flush the transmission buffers
- */
-void gdbstub_io_tx_flush(void)
-{
- while (*gdbstub_port->_status & (SC01STR_TBF | SC01STR_TXF))
- continue;
-}
diff --git a/arch/mn10300/kernel/mn10300-serial.c b/arch/mn10300/kernel/mn10300-serial.c
index 7ecf69879e2d..bbfccd44b06e 100644
--- a/arch/mn10300/kernel/mn10300-serial.c
+++ b/arch/mn10300/kernel/mn10300-serial.c
@@ -205,9 +205,6 @@ struct mn10300_serial_port mn10300_serial_port_sif0 = {
.tx_icr = &GxICR(SC0TXIRQ),
.clock_src = MNSCx_CLOCK_SRC_IOCLK,
.options = 0,
-#ifdef CONFIG_GDBSTUB_ON_TTYSM0
- .gdbstub = 1,
-#endif
};
#endif /* CONFIG_MN10300_TTYSM0 */

@@ -267,9 +264,6 @@ struct mn10300_serial_port mn10300_serial_port_sif1 = {
.tx_icr = &GxICR(SC1TXIRQ),
.clock_src = MNSCx_CLOCK_SRC_IOCLK,
.options = 0,
-#ifdef CONFIG_GDBSTUB_ON_TTYSM1
- .gdbstub = 1,
-#endif
};
#endif /* CONFIG_MN10300_TTYSM1 */

@@ -344,9 +338,6 @@ struct mn10300_serial_port mn10300_serial_port_sif2 = {
#else
.options = 0,
#endif
-#ifdef CONFIG_GDBSTUB_ON_TTYSM2
- .gdbstub = 1,
-#endif
};
#endif /* CONFIG_MN10300_TTYSM2 */

diff --git a/arch/mn10300/kernel/mn10300-serial.h b/arch/mn10300/kernel/mn10300-serial.h
index 01791c68ea1f..990a31c45e9f 100644
--- a/arch/mn10300/kernel/mn10300-serial.h
+++ b/arch/mn10300/kernel/mn10300-serial.h
@@ -113,18 +113,4 @@ extern asmlinkage void mn10300_serial_vdma_tx_handler(void);

#endif /* __ASSEMBLY__ */

-#if defined(CONFIG_GDBSTUB_ON_TTYSM0)
-#define SCgSTR SC0STR
-#define SCgRXB SC0RXB
-#define SCgRXIRQ SC0RXIRQ
-#elif defined(CONFIG_GDBSTUB_ON_TTYSM1)
-#define SCgSTR SC1STR
-#define SCgRXB SC1RXB
-#define SCgRXIRQ SC1RXIRQ
-#elif defined(CONFIG_GDBSTUB_ON_TTYSM2)
-#define SCgSTR SC2STR
-#define SCgRXB SC2RXB
-#define SCgRXIRQ SC2RXIRQ
-#endif
-
#endif /* _MN10300_SERIAL_H */
diff --git a/arch/mn10300/unit-asb2303/include/unit/serial.h b/arch/mn10300/unit-asb2303/include/unit/serial.h
index 991e356bac5f..5ad65e2dc74b 100644
--- a/arch/mn10300/unit-asb2303/include/unit/serial.h
+++ b/arch/mn10300/unit-asb2303/include/unit/serial.h
@@ -29,8 +29,6 @@
/*
* dispose of the /dev/ttyS0 and /dev/ttyS1 serial ports
*/
-#ifndef CONFIG_GDBSTUB_ON_TTYSx
-
#define SERIAL_PORT_DFNS \
{ \
.baud_base = BASE_BAUD, \
@@ -50,92 +48,9 @@
},

#ifndef __ASSEMBLY__
-
static inline void __debug_to_serial(const char *p, int n)
{
}
-
#endif /* !__ASSEMBLY__ */

-#else /* CONFIG_GDBSTUB_ON_TTYSx */
-
-#define SERIAL_PORT_DFNS /* both stolen by gdb-stub because they share an IRQ */
-
-#if defined(CONFIG_GDBSTUB_ON_TTYS0)
-#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_RX * 4, u8)
-#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX * 4, u8)
-#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLL * 4, u8)
-#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLM * 4, u8)
-#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 4, u8)
-#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IIR * 4, u8)
-#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_FCR * 4, u8)
-#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LCR * 4, u8)
-#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 4, u8)
-#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 4, u8)
-#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 4, u8)
-#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_SCR * 4, u8)
-#define GDBPORT_SERIAL_IRQ SERIAL_IRQ
-
-#elif defined(CONFIG_GDBSTUB_ON_TTYS1)
-#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_RX * 4, u8)
-#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_TX * 4, u8)
-#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_DLL * 4, u8)
-#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_DLM * 4, u8)
-#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_IER * 4, u8)
-#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_IIR * 4, u8)
-#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_FCR * 4, u8)
-#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_LCR * 4, u8)
-#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_MCR * 4, u8)
-#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_LSR * 4, u8)
-#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_MSR * 4, u8)
-#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_SCR * 4, u8)
-#define GDBPORT_SERIAL_IRQ SERIAL_IRQ
-#endif
-
-#ifndef __ASSEMBLY__
-
-#define LSR_WAIT_FOR(STATE) \
-do { \
- while (!(GDBPORT_SERIAL_LSR & UART_LSR_##STATE)) {} \
-} while (0)
-#define FLOWCTL_WAIT_FOR(LINE) \
-do { \
- while (!(GDBPORT_SERIAL_MSR & UART_MSR_##LINE)) {} \
-} while (0)
-#define FLOWCTL_CLEAR(LINE) \
-do { \
- GDBPORT_SERIAL_MCR &= ~UART_MCR_##LINE; \
-} while (0)
-#define FLOWCTL_SET(LINE) \
-do { \
- GDBPORT_SERIAL_MCR |= UART_MCR_##LINE; \
-} while (0)
-#define FLOWCTL_QUERY(LINE) ({ GDBPORT_SERIAL_MSR & UART_MSR_##LINE; })
-
-static inline void __debug_to_serial(const char *p, int n)
-{
- char ch;
-
- FLOWCTL_SET(DTR);
-
- for (; n > 0; n--) {
- LSR_WAIT_FOR(THRE);
- FLOWCTL_WAIT_FOR(CTS);
-
- ch = *p++;
- if (ch == 0x0a) {
- GDBPORT_SERIAL_TX = 0x0d;
- LSR_WAIT_FOR(THRE);
- FLOWCTL_WAIT_FOR(CTS);
- }
- GDBPORT_SERIAL_TX = ch;
- }
-
- FLOWCTL_CLEAR(DTR);
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* CONFIG_GDBSTUB_ON_TTYSx */
-
#endif /* _ASM_UNIT_SERIAL_H */
diff --git a/arch/mn10300/unit-asb2305/include/unit/serial.h b/arch/mn10300/unit-asb2305/include/unit/serial.h
index 88c08219315f..20636f771b3d 100644
--- a/arch/mn10300/unit-asb2305/include/unit/serial.h
+++ b/arch/mn10300/unit-asb2305/include/unit/serial.h
@@ -28,8 +28,6 @@
/*
* dispose of the /dev/ttyS0 serial port
*/
-#ifndef CONFIG_GDBSTUB_ON_TTYSx
-
#define SERIAL_PORT_DFNS \
{ \
.baud_base = BASE_BAUD, \
@@ -41,85 +39,9 @@
},

#ifndef __ASSEMBLY__
-
-static inline void __debug_to_serial(const char *p, int n)
-{
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#else /* CONFIG_GDBSTUB_ON_TTYSx */
-
-#define SERIAL_PORT_DFNS /* stolen by gdb-stub */
-
-#if defined(CONFIG_GDBSTUB_ON_TTYS0)
-#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_RX * 4, u8)
-#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX * 4, u8)
-#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLL * 4, u8)
-#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLM * 4, u8)
-#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 4, u8)
-#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IIR * 4, u8)
-#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_FCR * 4, u8)
-#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LCR * 4, u8)
-#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 4, u8)
-#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 4, u8)
-#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 4, u8)
-#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_SCR * 4, u8)
-#define GDBPORT_SERIAL_IRQ SERIAL_IRQ
-
-#elif defined(CONFIG_GDBSTUB_ON_TTYS1)
-#error The ASB2305 doesnt have a /dev/ttyS1
-#endif
-
-#ifndef __ASSEMBLY__
-
-#define TTYS0_TX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX * 4, u8)
-#define TTYS0_MCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 4, u8)
-#define TTYS0_LSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 4, u8)
-#define TTYS0_MSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 4, u8)
-
-#define LSR_WAIT_FOR(STATE) \
-do { \
- while (!(TTYS0_LSR & UART_LSR_##STATE)) {} \
-} while (0)
-#define FLOWCTL_WAIT_FOR(LINE) \
-do { \
- while (!(TTYS0_MSR & UART_MSR_##LINE)) {} \
-} while (0)
-#define FLOWCTL_CLEAR(LINE) \
-do { \
- TTYS0_MCR &= ~UART_MCR_##LINE; \
-} while (0)
-#define FLOWCTL_SET(LINE) \
-do { \
- TTYS0_MCR |= UART_MCR_##LINE; \
-} while (0)
-#define FLOWCTL_QUERY(LINE) ({ TTYS0_MSR & UART_MSR_##LINE; })
-
static inline void __debug_to_serial(const char *p, int n)
{
- char ch;
-
- FLOWCTL_SET(DTR);
-
- for (; n > 0; n--) {
- LSR_WAIT_FOR(THRE);
- FLOWCTL_WAIT_FOR(CTS);
-
- ch = *p++;
- if (ch == 0x0a) {
- TTYS0_TX = 0x0d;
- LSR_WAIT_FOR(THRE);
- FLOWCTL_WAIT_FOR(CTS);
- }
- TTYS0_TX = ch;
- }
-
- FLOWCTL_CLEAR(DTR);
}
-
#endif /* !__ASSEMBLY__ */

-#endif /* CONFIG_GDBSTUB_ON_TTYSx */
-
#endif /* _ASM_UNIT_SERIAL_H */
diff --git a/arch/mn10300/unit-asb2305/unit-init.c b/arch/mn10300/unit-asb2305/unit-init.c
index bc4adfaf815c..674f3e960cb2 100644
--- a/arch/mn10300/unit-asb2305/unit-init.c
+++ b/arch/mn10300/unit-asb2305/unit-init.c
@@ -25,12 +25,10 @@
*/
asmlinkage void __init unit_init(void)
{
-#ifndef CONFIG_GDBSTUB_ON_TTYSx
/* set the 16550 interrupt line to level 3 if not being used for GDB */
#ifdef CONFIG_EXT_SERIAL_IRQ_LEVEL
set_intr_level(XIRQ0, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL));
#endif
-#endif /* CONFIG_GDBSTUB_ON_TTYSx */
}

/*
diff --git a/arch/mn10300/unit-asb2364/include/unit/serial.h b/arch/mn10300/unit-asb2364/include/unit/serial.h
index 92f224a97efc..79934d645d04 100644
--- a/arch/mn10300/unit-asb2364/include/unit/serial.h
+++ b/arch/mn10300/unit-asb2364/include/unit/serial.h
@@ -34,8 +34,6 @@
/*
* dispose of the /dev/ttyS0 and /dev/ttyS1 serial ports
*/
-#ifndef CONFIG_GDBSTUB_ON_TTYSx
-
#define SERIAL_PORT_DFNS \
{ \
.baud_base = BASE_BAUD, \
@@ -47,75 +45,11 @@
},

#ifndef __ASSEMBLY__
-
static inline void __debug_to_serial(const char *p, int n)
{
}
-
#endif /* !__ASSEMBLY__ */

-#else /* CONFIG_GDBSTUB_ON_TTYSx */
-
-#define SERIAL_PORT_DFNS /* stolen by gdb-stub */
-
-#if defined(CONFIG_GDBSTUB_ON_TTYS0)
-#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_RX * 2, u8)
-#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX * 2, u8)
-#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLL * 2, u8)
-#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLM * 2, u8)
-#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 2, u8)
-#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IIR * 2, u8)
-#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_FCR * 2, u8)
-#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LCR * 2, u8)
-#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 2, u8)
-#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 2, u8)
-#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 2, u8)
-#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_SCR * 2, u8)
-#define GDBPORT_SERIAL_IRQ SERIAL_IRQ
-
-#elif defined(CONFIG_GDBSTUB_ON_TTYS1)
-#error The ASB2364 does not have a /dev/ttyS1
-#endif
-
-#ifndef __ASSEMBLY__
-
-static inline void __debug_to_serial(const char *p, int n)
-{
- char ch;
-
-#define LSR_WAIT_FOR(STATE) \
- do {} while (!(GDBPORT_SERIAL_LSR & UART_LSR_##STATE))
-#define FLOWCTL_QUERY(LINE) \
- ({ GDBPORT_SERIAL_MSR & UART_MSR_##LINE; })
-#define FLOWCTL_WAIT_FOR(LINE) \
- do {} while (!(GDBPORT_SERIAL_MSR & UART_MSR_##LINE))
-#define FLOWCTL_CLEAR(LINE) \
- do { GDBPORT_SERIAL_MCR &= ~UART_MCR_##LINE; } while (0)
-#define FLOWCTL_SET(LINE) \
- do { GDBPORT_SERIAL_MCR |= UART_MCR_##LINE; } while (0)
-
- FLOWCTL_SET(DTR);
-
- for (; n > 0; n--) {
- LSR_WAIT_FOR(THRE);
- FLOWCTL_WAIT_FOR(CTS);
-
- ch = *p++;
- if (ch == 0x0a) {
- GDBPORT_SERIAL_TX = 0x0d;
- LSR_WAIT_FOR(THRE);
- FLOWCTL_WAIT_FOR(CTS);
- }
- GDBPORT_SERIAL_TX = ch;
- }
-
- FLOWCTL_CLEAR(DTR);
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* CONFIG_GDBSTUB_ON_TTYSx */
-
#define SERIAL_INITIALIZE \
do { \
/* release reset */ \
--
1.9.3

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