90 lines
3.0 KiB
Plaintext
90 lines
3.0 KiB
Plaintext
ReleaseNotes v0.1.10:
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^^^^^^^^^^^^^^^^^^^^^
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This is a highly hacked up version of the buildroot (see
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http://buildroot.uclibc.org/). It has been hacked so that it
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can be used to build the following NuttX-compatible toolchains:
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o arm-elf toolchain needed for use with the TI C5471 (ARM7TDMI),
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NXP LPC214x (ARM7TMDI), STMicro STR71x (ARM7TDMI), Freescale
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i.MX1 (ARM920T), and TI DM320 (ARM926EJ-S) provided with the
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NuttX releases.
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NXFLAT toolchain for use with the ARM7 and ARM9.
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o arm-elf ARM Cortex-M3 (thumb2) toolchain needed for use with
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the Luminary LM3Sxxx, NXP 17xxxx, Atmel SAM3u, and STMicor
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STM32 ports provided with the NuttX releases.
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NXFLAT toolchain for use with the ARM Cortex-M3.
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o avr-elf toolchain needed for use with the ATmega128 ports
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provided with the NuttX releases.
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o H8/300 toolchain (not currently used in any NuttX
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configuration).
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o i486-elf toochain. Why would you want such a thing? On Linux, of
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course, such a thing is not needed because you can use the installed GCC
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to build i486 ELF binaries. But that will not work under Cygwin! The
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Cygwin toolchain (and probably MinGW), build DOS MZ format executables
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(i.e., .exe files). That is probably not usable for most NuttX targets.
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Instead, you should use this i486-elf-gcc to generate true ELF binaries
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under Cygwin.
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o bfin-elf toolchain not currently used in any NuttX
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configuration).
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o m68k-elf toolchain (not currently used in any NuttX
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configuration).
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o m68hc11-elf toolchain (not currently used in any NuttX
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configuration).
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o m68hc12-elf toolchain. (NOT RECOMMENDED for hcs12;
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Use m9s12x-elf toolchain)
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o m9s12x-elf toolchain Supports Freescale m9s12x using
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binutils 2.18 and gcc 3.3.6 and patches available from
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http://www.msextra.com/tools courtesy of James Cortina.
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o m32c-elf toolchain needed for the Renesas M16C NuttX port.
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o sh-elf toolchain needed for the SH-1 NuttX port.
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Supported tool versions include:
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o gcc-3.3.6 + binuils-2.18 (for m9s12x).
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o gcc-3.4.6 + binutils-2.17
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o gcc-4.2.4 + binutils-2.19
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o gcc-4.3.3 + binutils-2.19.1
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o gcc-4.5.2 + binutils-2.21
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See the ChangeLog of features/architectures added in v0.1.9.
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Installation instructions:
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- You must have already configured Nuttx in <some-dir>/nuttx
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- download the buildroot package into <some-dir>
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- unpack -cd <some-dir>/buildroot
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- cp configs/arm-defconfig .config
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- make oldconfig
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- make
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See configs/README.txt for other configurations and for more detailed
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instructions. If your NuttX installation resides at a different location
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then:
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- make menuconfig
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And set the "Path to the NuttX root directory" appropriately.
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NXFLAT Toolchain Build
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You can select to build the NXFLAT toolchain with GCC by selecting
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the NXFLAT toolchin during the configuration process(you can also
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select omit building GCC with and only build the NXFLAT toolchain
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for use with your own GCC toolchain.
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NFFLAT is only available for ARM and Cortex-M3 architectures.
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