LM32: Add README. Update hello defconfig and setenv.sh
This commit is contained in:
Gregory Nutt
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@ -8,7 +8,7 @@
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<tr align="center" bgcolor="#e4e4e4">
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<td>
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<h1><big><font color="#3c34ec"><i>NuttX README Files</i></font></big></h1>
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<p>Last Updated: November 1, 2016</p>
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<p>Last Updated: November 4, 2016</p>
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</td>
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</tr>
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</table>
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@ -150,6 +150,8 @@ nuttx/
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| | `- <a href="https://bitbucket.org/nuttx/nuttx/src/master/configs/mikroe-stm32f4/README.txt" target="_blank"><b><i>README.txt</i></b></a>
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| |- mirtoo/
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| | `- <a href="https://bitbucket.org/nuttx/nuttx/src/master/configs/mirtoo/README.txt" target="_blank"><b><i>README.txt</i></b></a>
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| |- misoc/
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| | `- <a href="https://bitbucket.org/nuttx/nuttx/src/master/configs/misoc/README.txt" target="_blank"><b><i>README.txt</i></b></a>
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| |- moteino-mega/
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| | `- <a href="https://bitbucket.org/nuttx/nuttx/src/master/configs/moteino-mega/README.txt" target="_blank"><b><i>README.txt</i></b></a>
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| |- mx1ads/
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@ -1366,6 +1366,8 @@ nuttx/
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| | `- README.txt
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| |- mirtoo/
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| | `- README.txt
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| |- misoc/
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| | `- README.txt
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| |- moteino-mega/
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| | `- README.txt
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| |- mx1ads/
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@ -109,8 +109,9 @@
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* Public Data
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****************************************************************************/
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extern volatile uint32_t *g_current_regs;
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#ifndef __ASSEMBLY__
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extern volatile uint32_t *g_current_regs;
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extern uint32_t g_idle_topstack;
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/****************************************************************************
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@ -121,8 +122,6 @@ extern uint32_t g_idle_topstack;
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* Public Functions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/* Low level initialization provided by board-level logic ******************/
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void lm32_board_initialize(void);
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54
configs/misoc/README.txt
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54
configs/misoc/README.txt
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@ -0,0 +1,54 @@
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Misoc README
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============
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Buildroot Toolchain
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===================
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A GNU GCC-based toolchain is assumed. The files */setenv.sh should
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be modified to point to the correct path to the LM32 GCC toolchain (if
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different from the default in your PATH variable).
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If you have no LM32 toolchain, one can be cloned from the NuttX
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Bitbucket GIT repository (https://bitbucket.org/nuttx/buildroot).
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This GNU toolchain builds and executes in the Linux or Cygwin environment.
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1. You must have already configured Nuttx in <some-dir>/nuttx.
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cd tools
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./configure.sh misoc/<sub-dir>
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2. Clone the latest buildroot package into <some-dir>
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git clone git@bitbucket.org:nuttx/buildroot.git <some-dir>
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or
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git clone https://patacongo@bitbucket.org/nuttx/buildroot.git <some-dir>
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3. cd <some-dir>
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4. cp lm32-elf-defconfig-6.1.0 .config
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5. make oldconfig
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6. make
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7. Edit setenv.h, if necessary, so that the PATH variable includes
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the path to the newly built binaries.
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By default, the tools will be at:
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<some-dir>/build_lm32/staging_dir/bin
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That location can be changed by reconfiguring the .config file.
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See the file configs/README.txt in the buildroot source tree. That has more
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detailed PLUS some special instructions that you will need to follow if you
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are building a LM32 toolchain for Cygwin under Windows. Also included in
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that README file is a FAQ of frequent build issues that their work-arounds.
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In order to use the buildroot toolchain, you also must set the following
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in your .config file:
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CONFIG_LM3S_TOOLCHAIN_BUILDROOT=y
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@ -16,7 +16,7 @@ CONFIG_HOST_LINUX=y
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#
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# Build Configuration
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#
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CONFIG_APPS_DIR="../apps"
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# CONFIG_APPS_DIR="../apps"
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CONFIG_BUILD_FLAT=y
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# CONFIG_BUILD_2PASS is not set
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@ -108,6 +108,8 @@ CONFIG_MISOC_UART1=y
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CONFIG_MISOC_UART=y
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CONFIG_MISOC_UART_RX_BUF_SIZE=64
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CONFIG_MISOC_UART_TX_BUF_SIZE=64
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# CONFIG_LM32_TOOLCHAIN_BUILDROOT is not set
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CONFIG_LM32_TOOLCHAIN_GNUL=y
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#
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# Architecture Options
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@ -546,10 +548,10 @@ CONFIG_EXAMPLES_HELLO_STACKSIZE=2048
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# CONFIG_EXAMPLES_NRF24L01TERM is not set
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# CONFIG_EXAMPLES_NSH is not set
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# CONFIG_EXAMPLES_NULL is not set
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# CONFIG_EXAMPLES_NX is not set
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# CONFIG_EXAMPLES_NXFFS is not set
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# CONFIG_EXAMPLES_NXHELLO is not set
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# CONFIG_EXAMPLES_NXIMAGE is not set
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# CONFIG_EXAMPLES_NX is not set
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# CONFIG_EXAMPLES_NXLINES is not set
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# CONFIG_EXAMPLES_NXTERM is not set
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# CONFIG_EXAMPLES_NXTEXT is not set
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@ -48,17 +48,11 @@ if [ -z "${PATH_ORIG}" ]; then
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export PATH_ORIG="${PATH}"
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fi
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# This is the Cygwin path to the location where I installed the WinAVR
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# toolchain under windows. This is *not* the default install
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# location so you will probably have to edit this. You will also have
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# to edit this if you install the Linux AVR toolchain as well
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#export TOOLCHAIN_BIN="/cygdrive/c/WinAVR/bin"
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# This is the Cygwin path to the location where I build the buildroot
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# toolchain.
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#export TOOLCHAIN_BIN="${WD}/../buildroot/build_avr/staging_dir/bin"
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export TOOLCHAIN_BIN="${WD}/../buildroot/build_lm32/staging_dir/bin"
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# Add the path to the toolchain to the PATH varialble
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#export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
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export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
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echo "PATH : ${PATH}"
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