kmp1/README.md

## README.md

      
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    Compiling an Application on Zephyr OS for Arduino 101 on the MAC

Once I got the Crosstool NG tool chain built I then thought that I would compile the hello world application for the Arduino 101.
It did not work (x86 or ARC).  The resolution which is described in OSX cross-compile targeting Arduino101 was the solution.  Here's what I did...
Set the Toolchain Environment Variable

The help does not mention this at all, but I got an error saying that XTOOLS_TOOLCHAIN_PATH was not set, as a guess I set it like this:
export XTOOLS_TOOLCHAIN_PATH=/Volumes/CrossToolNG/x-tools

(I added it to ~/.zephyrrc so that it sticks around)
To Make x86 Compile

Edit $ZEPHYR_BASE/arch/x86/soc/quark_se/Kconfig.soc and remove the line select X86_IAMCU so the resulting file looks like this:
config SOC_QUARK_SE
    bool "Intel Quark SE"
    select CPU_MINUTEIA
    select IOAPIC
    select LOAPIC
    select LOAPIC_TIMER
    select EOI_HANDLER_SUPPORTED
    select BOOTLOADER_UNKNOWN
    select XIP
    select SYS_POWER_LOW_POWER_STATE_SUPPORTED
    select SYS_POWER_DEEP_SLEEP_SUPPORTED
    select HAS_QMSI

(I have no idea of the implications of this, can't be ideal though)
Now you must compile like so:
make BOARD=arduino_101 ARCH=x86

To Make ARC (SSS) Compile


Install the Arduino IDE.


Install the Intel Curie Board from the board manager in the IDE.


Copy the ARC compiler into the CrosstoolNG Volume:
  mkdir /Volumes/CrossToolNG/arc-elf32
  cp -a /Users/kevin/Library/Arduino15/packages/Intel/tools/arc-elf32/ /Volumes/CrossToolNG/arc-elf32/


Now you must compile like so:
make CROSS_COMPILE=/Volumes/CrossToolNG/arc-elf32/1.6.4+1.0/bin/arc-elf32- BOARD=arduino_101_sss_factory