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Add a stub for the QEMU serial driver

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3341 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-03-05 20:05:01 +00:00
parent 4f890aed78
commit bca9a6fae0
2 changed files with 90 additions and 1 deletions
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2
arch/x86/src/qemu/Make.defs
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@ -52,6 +52,6 @@ CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \
CHIP_ASRCS = qemu_saveusercontext.S qemu_fullcontextrestore.S qemu_vectors.S
CHIP_CSRCS = qemu_handlers.c qemu_idle.c qemu_irq.c qemu_lowputc.c \
qemu_lowsetup.c qemu_timerisr.c
qemu_lowsetup.c qemu_serial.c qemu_timerisr.c
# Configuration-dependent QEMU files

89
arch/x86/src/qemu/qemu_serial.c Normal file
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@ -0,0 +1,89 @@
/****************************************************************************
* arch/x86/src/qemu/qemu_serial.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/arch.h>
#include "up_internal.h"
#ifdef CONFIG_USE_SERIALDRIVER
#error "Serial driver support not initialized"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
#else /* CONFIG_USE_SERIALDRIVER */
/****************************************************************************
* Name: up_putc
*
* Description:
* Provide priority, low-level access to support OS debug writes
*
****************************************************************************/
int up_putc(int ch)
{
/* Check for LF */
if (ch == '\n')
{
/* Add CR */
up_lowputc('\r');
}
up_lowputc(ch);
return ch;
}
#endif /* CONFIG_USE_SERIALDRIVER */