mirror of
https://github.com/apache/nuttx.git
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Debug NSH on z80sim
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@474 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
@@ -1,11 +1,36 @@
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pjrc-8051 README
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^^^^^^^^^^^^^^^^
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z80sim README
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^^^^^^^^^^^^^
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This port uses a primitive, simulated Z80 and the SDCC toolchain.
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This port uses a primitive, emulated Z80 and the SDCC toolchain.
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The instruction set emulator can be found in the NuttX CVS at
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http://nuttx.cvs.sourceforge.net/nuttx/misc/sims/z80sim
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The SDCC toolchain is available from http://sdcc.sourceforge.net/. All
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testing has been performed using verison 2.6.0 of the SDDC toolchain.
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Configuring NuttX
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^^^^^^^^^^^^^^^^^
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defconfig
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The default configuration file, defconfig, performs a simple,
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minimal OS test using examples/ostest. This can be
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configurated as follows:
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cd tools
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./configure.sh z80sim
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cd -
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. ./setenv.sh
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nshconfig
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This configuration file builds NSH (examples/nsh).
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This alternative configurations can be selected by:
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(Seleted the default configuration as show above)
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cp config/z80sim/nshconfig .config
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Building the SDCC toolchain
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@@ -1,5 +1,5 @@
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############################################################
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# defconfig
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# configs/z80/defconfig
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#
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# Copyright (C) 2007 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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@@ -37,8 +37,9 @@
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#
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# CONFIG_ARCH - identifies the arch subdirectory and, hence, the
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# processor architecture.
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# CONFIG_ARCH_8051 - Set if processor is 8051 family
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# CONFIG_ARCH_8052 = Set if processor is 8052 family
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# CONFIG_ARCH_Z80 - Set if processor is Z80
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# CONFIG_ARCH_CHIP - Identifies the specific chip
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# CONFIG_ARCH_CHIP_Z80 - Set if this the class Z80
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# CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence,
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# the board that supports the particular chip or SoC.
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# CONFIG_ARCH_BOARD_name - for use in C code
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@@ -47,10 +48,22 @@
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CONFIG_ARCH=z80
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CONFIG_ARCH_Z80=y
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CONFIG_ARCH_CHIP=z80
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CONFIG_ARCH_CHIP_Z80=1
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CONFIG_ARCH_CHIP_Z80=y
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CONFIG_ARCH_BOARD=z80sim
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CONFIG_ARCH_BOARD_Z80SIM=y
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CONFIG_DRAM_SIZE=65536
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#
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# Z80sim specific device driver settings
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#
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# CONFIG_UART_RXBUFSIZE - Characters are buffered as received.
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# This specific the size of the receive buffer
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# CONFIG_UART_TXBUFSIZE - Characters are buffered before
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# being sent. This specific the size of the transmit buffer
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#
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CONFIG_UART_RXBUFSIZE=0
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CONFIG_UART_TXBUFSIZE=0
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#
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# General OS setup
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#
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@@ -45,7 +45,19 @@
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************************************************************/
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/************************************************************
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* Inline Functions
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* Public Functions
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************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ARCH_BOARD_BOARD_H */
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@@ -0,0 +1,302 @@
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############################################################
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# defconfig
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#
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# Copyright (C) 2007 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name Gregory Nutt nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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||||
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################
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#
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# Architecture selection
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#
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# CONFIG_ARCH - identifies the arch subdirectory and, hence, the
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# processor architecture.
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# CONFIG_ARCH_Z80 - Set if processor is Z80
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# CONFIG_ARCH_CHIP - Identifies the specific chip
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# CONFIG_ARCH_CHIP_Z80 - Set if this the class Z80
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# CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence,
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# the board that supports the particular chip or SoC.
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# CONFIG_ARCH_BOARD_name - for use in C code
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# CONFIG_DRAM_SIZE - Describes the installed DRAM.
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#
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CONFIG_ARCH=z80
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CONFIG_ARCH_Z80=y
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CONFIG_ARCH_CHIP=z80
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CONFIG_ARCH_CHIP_Z80=y
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CONFIG_ARCH_BOARD=z80sim
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CONFIG_ARCH_BOARD_Z80SIM=y
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CONFIG_DRAM_SIZE=65536
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#
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# Z80sim specific device driver settings
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#
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# CONFIG_UART_RXBUFSIZE - Characters are buffered as received.
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# This specific the size of the receive buffer
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# CONFIG_UART_TXBUFSIZE - Characters are buffered before
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# being sent. This specific the size of the transmit buffer
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#
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CONFIG_UART_RXBUFSIZE=64
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CONFIG_UART_TXBUFSIZE=64
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#
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# General OS setup
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#
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# CONFIG_EXAMPLE - identifies the subdirectory in examples
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# that will be used in the build
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# CONFIG_DEBUG - enables built-in debug options
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# CONFIG_DEBUG_VERBOSE - enables verbose debug output
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# CONFIG_MM_REGIONS - If the architecture includes multiple
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# regions of memory to allocate from, this specifies the
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# number of memory regions that the memory manager must
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# handle and enables the API mm_addregion(start, end);
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# CONFIG_HAVE_LOWPUTC - architecture supports low-level, boot
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# time console output
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# CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz
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# or TICKS_PER_MSEC=10. This setting may be defined to
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# inform NuttX that the processor hardware is providing
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# system timer interrupts at some interrupt interval other
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# than 10 msec.
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# CONFIG_RR_INTERVAL - The round robin timeslice will be set
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# this number of milliseconds; Round robin scheduling can
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# be disabled by setting this value to zero.
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# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in
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# scheduler to monitor system performance
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# CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a
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# task name to save in the TCB. Useful if scheduler
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# instrumentation is selected. Set to zero to disable.
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# CONFIG_JULIAN_TIME - Enables Julian time conversions
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# CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY -
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# Used to initialize the internal time logic.
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# CONFIG_DEV_CONSOLE - Set if architecture-specific logic
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# provides /dev/console. Enables stdout, stderr, stdin.
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#
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CONFIG_EXAMPLE=nsh
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CONFIG_DEBUG=n
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CONFIG_DEBUG_VERBOSE=n
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CONFIG_MM_REGIONS=1
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CONFIG_ARCH_LOWPUTC=y
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CONFIG_RR_INTERVAL=0
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CONFIG_SCHED_INSTRUMENTATION=n
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CONFIG_TASK_NAME_SIZE=0
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CONFIG_START_YEAR=2007
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CONFIG_START_MONTH=2
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CONFIG_START_DAY=21
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CONFIG_JULIAN_TIME=n
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CONFIG_DEV_CONSOLE=y
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#
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# The following can be used to disable categories of
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# APIs supported by the OS. If the compiler supports
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# weak functions, then it should not be necessary to
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# disable functions unless you want to restrict usage
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# of those APIs.
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#
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# There are certain dependency relationships in these
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# features.
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#
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# o mq_notify logic depends on signals to awaken tasks
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# waiting for queues to become full or empty.
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# o pthread_condtimedwait() depends on signals to wake
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# up waiting tasks.
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#
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CONFIG_DISABLE_CLOCK=n
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CONFIG_DISABLE_POSIX_TIMERS=y
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CONFIG_DISABLE_PTHREAD=y
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CONFIG_DISABLE_SIGNALS=n
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CONFIG_DISABLE_MQUEUE=y
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CONFIG_DISABLE_MOUNTPOINT=n
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CONFIG_DISABLE_ENVIRON=y
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#
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# Misc libc settings
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#
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# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
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# little smaller if we do not support fieldwidthes
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#
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CONFIG_NOPRINTF_FIELDWIDTH=y
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#
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# Allow for architecture optimized implementations
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#
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# The architecture can provide optimized versions of the
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# following to improve sysem performance
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#
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CONFIG_ARCH_MEMCPY=n
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CONFIG_ARCH_MEMCMP=n
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CONFIG_ARCH_MEMMOVE=n
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CONFIG_ARCH_MEMSET=n
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CONFIG_ARCH_STRCMP=n
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CONFIG_ARCH_STRCPY=n
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CONFIG_ARCH_STRNCPY=n
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CONFIG_ARCH_STRLEN=n
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CONFIG_ARCH_BZERO=n
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CONFIG_ARCH_KMALLOC=n
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CONFIG_ARCH_KZMALLOC=n
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CONFIG_ARCH_KFREE=n
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#
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# General build options
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#
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# CONFIG_RRLOAD_BINARY - make the rrload binary format used with
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# BSPs from www.ridgerun.com
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#
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CONFIG_RRLOAD_BINARY=n
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#
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# Sizes of configurable things (0 disables)
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#
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# CONFIG_MAX_TASKS - The maximum number of simultaneously
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# actived tasks. This value must be a power of two.
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# CONFIG_MAX_TASK_ARGS - This controls the maximum number of
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# of parameters that a task may receive (i.e., maxmum value
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# of 'argc')
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# CONFIG_NPTHREAD_KEYS - The number of items of thread-
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# specific data that can be retained
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# CONFIG_NFILE_DESCRIPTORS - The maximum number of file
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# descriptors (one for each open)
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# CONFIG_NFILE_STREAMS - The maximum number of streams that
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# can be fopen'ed
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# CONFIG_NAME_MAX - The maximum size of a file name.
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# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate
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# on fopen. (Only if CONFIG_NFILE_STREAMS > 0)
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# CONFIG_NUNGET_CHARS - Number of characters that can be
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# buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0)
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# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message
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# structures. The system manages a pool of preallocated
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# message structures to minimize dynamic allocations
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||||
# CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with
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# a fixed payload size given by this settin (does not include
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# other message structure overhead.
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||||
# CONFIG_MAX_WDOGPARMS - Maximum number of parameters that
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||||
# can be passed to a watchdog handler
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||||
# CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog
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||||
# structures. The system manages a pool of preallocated
|
||||
# watchdog structures to minimize dynamic allocations
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# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX
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# timer structures. The system manages a pool of preallocated
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||||
# timer structures to minimize dynamic allocations. Set to
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||||
# zero for all dynamic allocations.
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||||
#
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||||
CONFIG_MAX_TASKS=8
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CONFIG_MAX_TASK_ARGS=4
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CONFIG_NPTHREAD_KEYS=0
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||||
CONFIG_NFILE_DESCRIPTORS=6
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||||
CONFIG_NFILE_STREAMS=6
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||||
CONFIG_NAME_MAX=32
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||||
CONFIG_STDIO_BUFFER_SIZE=0
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||||
CONFIG_NUNGET_CHARS=0
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||||
CONFIG_PREALLOC_MQ_MSGS=0
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||||
CONFIG_MQ_MAXMSGSIZE=0
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||||
CONFIG_MAX_WDOGPARMS=2
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||||
CONFIG_PREALLOC_WDOGS=4
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||||
CONFIG_PREALLOC_TIMERS=0
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||||
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||||
#
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||||
# TCP/IP and UDP support via uIP
|
||||
# CONFIG_NET - Enable or disable all network features
|
||||
# CONFIG_NET_IPv6 - Build in support for IPv6
|
||||
# CONFIG_NSOCKET_DESCRIPTORS - Maximum number of socket descriptors per task/thread.
|
||||
# CONFIG_NET_SOCKOPTS - Enable or disable support for socket options
|
||||
# CONFIG_NET_BUFSIZE - uIP buffer size
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||||
# CONFIG_NET_TCP - TCP support on or off
|
||||
# CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks)
|
||||
# CONFIG_NET_TCP_READAHEAD_BUFSIZE - Size of TCP read-ahead buffers
|
||||
# CONFIG_NET_NTCP_READAHEAD_BUFFERS - Number of TCP read-ahead buffers (may be zero)
|
||||
# CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks)
|
||||
# CONFIG_NET_UDP - UDP support on or off
|
||||
# CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
|
||||
# CONFIG_NET_UDP_CONNS - The maximum amount of concurrent UDP connections
|
||||
# CONFIG_NET_ICMP - ICMP ping support on or off
|
||||
# CONFIG_NET_PINGADDRCONF - Use "ping" packet for setting IP address
|
||||
# CONFIG_NET_STATISTICS - uIP statistics on or off
|
||||
# CONFIG_NET_RECEIVE_WINDOW - The size of the advertised receiver's window
|
||||
# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
|
||||
# CONFIG_NET_BROADCAST - Broadcast support
|
||||
# CONFIG_NET_LLH_LEN - The link level header length
|
||||
# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates
|
||||
CONFIG_NET=n
|
||||
CONFIG_NET_IPv6=n
|
||||
CONFIG_NSOCKET_DESCRIPTORS=0
|
||||
CONFIG_NET_SOCKOPTS=y
|
||||
CONFIG_NET_BUFSIZE=420
|
||||
CONFIG_NET_TCP=n
|
||||
CONFIG_NET_TCP_CONNS=40
|
||||
CONFIG_NET_MAX_LISTENPORTS=40
|
||||
CONFIG_NET_UDP=n
|
||||
CONFIG_NET_UDP_CHECKSUMS=y
|
||||
#CONFIG_NET_UDP_CONNS=10
|
||||
CONFIG_NET_ICMP=n
|
||||
#CONFIG_NET_PINGADDRCONF=0
|
||||
CONFIG_NET_STATISTICS=y
|
||||
#CONFIG_NET_RECEIVE_WINDOW=
|
||||
#CONFIG_NET_ARPTAB_SIZE=8
|
||||
CONFIG_NET_BROADCAST=n
|
||||
#CONFIG_NET_LLH_LEN=14
|
||||
#CONFIG_NET_FWCACHE_SIZE=2
|
||||
|
||||
#
|
||||
# UIP Network Utilities
|
||||
# CONFIG_NET_DHCP_LIGHT - Reduces size of DHCP
|
||||
# CONFIG_NET_RESOLV_ENTRIES - Number of resolver entries
|
||||
CONFIG_NET_DHCP_LIGHT=n
|
||||
CONFIG_NET_RESOLV_ENTRIES=4
|
||||
|
||||
#
|
||||
# Settings for examples/nsh
|
||||
CONFIG_EXAMPLES_NSH_TELNET=n
|
||||
CONFIG_EXAMPLES_NSH_IOBUFFER_SIZE=512
|
||||
CONFIG_EXAMPLES_NSH_CMD_SIZE=40
|
||||
CONFIG_EXAMPLES_NSH_STACKSIZE=1024
|
||||
CONFIG_EXAMPLES_NSH_DHCPC=n
|
||||
CONFIG_EXAMPLES_NSH_NOMAC=n
|
||||
CONFIG_EXAMPLES_NSH_IPADDR=(10<<24|0<<16|0<<8|2)
|
||||
CONFIG_EXAMPLES_NSH_DRIPADDR=(10<<24|0<<16|0<<8|1)
|
||||
CONFIG_EXAMPLES_NSH_NETMASK=(255<<24|255<<16|255<<8|0)
|
||||
|
||||
#
|
||||
# Stack and heap information
|
||||
#
|
||||
# CONFIG_BOOT_FROM_FLASH - Some configurations support XIP
|
||||
# operation from FLASH.
|
||||
# CONFIG_CUSTOM_STACK - The up_ implementation will handle
|
||||
# all stack operations outside of the nuttx model.
|
||||
# CONFIG_STACK_POINTER - The initial stack pointer
|
||||
# CONFIG_PROC_STACK_SIZE - The size of the initial stack
|
||||
# CONFIG_PTHREAD_STACK_MIN - Minimum pthread stack size
|
||||
# CONFIG_PTHREAD_STACK_DEFAULT - Default pthread stack size
|
||||
# CONFIG_HEAP_BASE - The beginning of the heap
|
||||
# CONFIG_HEAP_SIZE - The size of the heap
|
||||
#
|
||||
CONFIG_BOOT_FROM_FLASH=n
|
||||
CONFIG_CUSTOM_STACK=n
|
||||
CONFIG_PROC_STACK_SIZE=1024
|
||||
CONFIG_PTHREAD_STACK_MIN=256
|
||||
CONFIG_PTHREAD_STACK_DEFAULT=1024
|
||||
CONFIG_HEAP_SIZE=
|
||||
CONFIG_HEAP_BASE=
|
||||
@@ -38,12 +38,13 @@
|
||||
********************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <nuttx/irq.h>
|
||||
#include <nuttx/arch.h>
|
||||
#include <assert.h>
|
||||
#include <debug.h>
|
||||
#include "up_arch.h"
|
||||
|
||||
#include "os_internal.h"
|
||||
#include "up_internal.h"
|
||||
|
||||
|
||||
@@ -86,41 +86,52 @@ static boolean up_txfifoempty(struct uart_dev_s *dev);
|
||||
|
||||
struct uart_ops_s g_uart_ops =
|
||||
{
|
||||
.setup = up_setup,
|
||||
.shutdown = up_shutdown,
|
||||
.handler = up_interrupt,
|
||||
.ioctl = up_ioctl,
|
||||
.receive = up_receive,
|
||||
.rxint = up_rxint,
|
||||
.rxfifonotempty = up_rxfifonotempty,
|
||||
.send = up_send,
|
||||
.txint = up_txint,
|
||||
.txfifonotfull = up_txfifonotfull,
|
||||
.txfifoempty = up_txfifoempty,
|
||||
up_setup, /* setup */
|
||||
up_shutdown, /* shutdown */
|
||||
up_interrupt, /* handler */
|
||||
up_ioctl, /* ioctl */
|
||||
up_receive, /* receive */
|
||||
up_rxint, /* rxint */
|
||||
up_rxfifonotempty, /* rxfifonotempty */
|
||||
up_send, /* send */
|
||||
up_txint, /* txint */
|
||||
up_txfifonotfull, /* txfifonotfull */
|
||||
up_txfifoempty, /* txfifoempty */
|
||||
};
|
||||
|
||||
/* I/O buffers */
|
||||
|
||||
static char g_uartrxbuffer[CONFIG_UART0_RXBUFSIZE];
|
||||
static char g_uarttxbuffer[CONFIG_UART0_TXBUFSIZE];
|
||||
static char g_uartrxbuffer[CONFIG_UART_RXBUFSIZE];
|
||||
static char g_uarttxbuffer[CONFIG_UART_TXBUFSIZE];
|
||||
|
||||
/* This describes the state of the fake UART port. */
|
||||
|
||||
static uart_dev_t g_uartport =
|
||||
{
|
||||
.irq = DM320_IRQ_UART0,
|
||||
.recv =
|
||||
{
|
||||
.size = CONFIG_UART0_RXBUFSIZE,
|
||||
.buffer = g_uart0rxbuffer,
|
||||
0, /* open_count */
|
||||
0, /* irq */
|
||||
FALSE, /* xmitwaiting */
|
||||
FALSE, /* recvwaiting */
|
||||
TRUE, /* isconsole */
|
||||
{ 1 }, /* closesem */
|
||||
{ 0 }, /* xmitsem */
|
||||
{ 0 }, /* recvsem */
|
||||
{ /* xmit */
|
||||
{ 1 }, /* sem */
|
||||
0, /* head */
|
||||
0, /* tail */
|
||||
CONFIG_UART_TXBUFSIZE, /* size */
|
||||
g_uarttxbuffer, /* buffer */
|
||||
},
|
||||
.xmit =
|
||||
{
|
||||
.size = CONFIG_UART0_TXBUFSIZE,
|
||||
.buffer = g_uart0txbuffer,
|
||||
{ /* recv */
|
||||
{ 1 }, /* sem */
|
||||
0, /* head */
|
||||
0, /* tail */
|
||||
CONFIG_UART_RXBUFSIZE, /* size */
|
||||
g_uartrxbuffer, /* buffer */
|
||||
},
|
||||
.ops = &g_uart_ops,
|
||||
.priv = NULL,
|
||||
&g_uart_ops, /* ops */
|
||||
NULL, /* priv */
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
@@ -326,6 +337,7 @@ void up_serialinit(void)
|
||||
int up_putc(int ch)
|
||||
{
|
||||
up_lowputc(ch);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user