libmetal のインストール のバックアップ(No.1)

更新


電気回路/zynq

libmetal

https://github.com/OpenAMP/libmetal

linux, freertos, baremetal で共通に使えるライブラリ API を提供し、 デバイスへのアクセスや割り込み制御、メモリ確保、その他ユーティリティ機能を提供するもの のようです。

  • Linux user space (based on UIO and VFIO support in the kernel)
  • RTOS (with and without virtual memory)
  • Bare-metal environments

となっているので、metal_xxx という共通の名前の関数ではあるものの、 環境によって実装を変え、適切な API 呼び出しに変換してくれる、ということみたい。

petalinux ではチェックボックス一つでインストール可能?

petalinux-config -c rootfs で選択できるので、 これでインストールできルっぽい?

ただこれでやるとユーザープロジェクトもすべて petalinux のビルドシステムを使わなければならなくなってややこしい。

GitHub で公開されているソースから単独でインストールできないものか、 と四苦八苦しているのがこのページです。

libhugetlbfs-dev が必要

make には cmake, doxygen, libsysfs-dev, libhugetlbfs-dev が必要になりますが、 Debian stretch には libhugetlbfs-dev が含まれていませんでした。Ubuntu には含まれていました。

cmake では out-of-source build が推奨されているそうで

http://stackoverflow.com/questions/27247123/how-to-clean-up-the-project-files-generated-by-cmake
cmake は out-of-source build が推奨されているそうで・・・最初、これがわからず苦労しました。

LANG:console
$ cd ~/z-turn
$ git clone https://github.com/OpenAMP/libmetal.git
$ cd libmetal
$ mkdir build
$ cd build
$ cmake ..
 -- The C compiler identification is GNU 5.4.0
 -- Check for working C compiler: /usr/bin/cc
 -- Check for working C compiler: /usr/bin/cc -- works
 -- Detecting C compiler ABI info
 -- Detecting C compiler ABI info - done
 -- Detecting C compile features
 -- Detecting C compile features - done
 -- Host:    Linux/x86_64
 -- Target:  Linux/x86_64
 -- Machine: Generic
 -- Found Doxygen: /usr/bin/doxygen (found version "1.8.11")
 -- Looking for include file stdatomic.h
 -- Looking for include file stdatomic.h - found
 -- Looking for include file linux/futex.h
 -- Looking for include file linux/futex.h - found
 -- Found HUGETLBFS: /usr/lib/libhugetlbfs.so
 -- Found LIBSYSFS: /usr/lib/x86_64-linux-gnu/libsysfs.so
 -- Looking for pthread.h
 -- Looking for pthread.h - found
 -- Looking for pthread_create
 -- Looking for pthread_create - not found
 -- Looking for pthread_create in pthreads
 -- Looking for pthread_create in pthreads - not found
 -- Looking for pthread_create in pthread
 -- Looking for pthread_create in pthread - found
 -- Found Threads: TRUE
 -- Found LibRt: /usr/lib/x86_64-linux-gnu/librt.so
 -- Configuring done
 -- Generating done
 -- Build files have been written to: /home/osamu/z-turn/libmetal/build
$ ls
 CMakeCache.txt  CTestTestfile.cmake  cmake_install.cmake  lib/
 CMakeFiles/     Makefile             doc/                 test/
$ make doc
$ browse doc/html

ドキュメントは見られるようになったけれど・・・
Target が Linux/x86_64 になってしまっている?

zynq7-linux 用の設定を読み込む

Target を arm にするにはどうするのか、

LANG:console
$ cd ~/z-turn/libmetal
$ grep -s CROSS `find`
 ./build/CMakeFiles/3.5.1/CMakeSystem.cmake:set(CMAKE_CROSSCOMPILING "FALSE")
 ./cmake/platforms/zynq7-freertos.cmake:set (CROSS_PREFIX           "arm-none-eabi-" CACHE STRING "")
 ./cmake/platforms/cross-linux-gcc.cmake:set (CMAKE_C_COMPILER   "${CROSS_PREFIX}gcc" CACHE STRING "")
 ./cmake/platforms/cross-linux-gcc.cmake:set (CMAKE_CXX_COMPILER "${CROSS_PREFIX}g++" CACHE STRING "")
 ./cmake/platforms/cross-generic-iar.cmake:CMAKE_FORCE_C_COMPILER   ("icc${CROSS_SUFFIX}" IAR)
 ./cmake/platforms/cross-generic-iar.cmake:CMAKE_FORCE_CXX_COMPILER ("icc${CROSS_SUFFIX} --eec++" IAR)
 ./cmake/platforms/zynqmp-a53-generic.cmake:set (CROSS_PREFIX           "aarch64-none-elf-" CACHE STRING "")
 ./cmake/platforms/zynqmp-r5-generic.cmake:set (CROSS_PREFIX           "armr5-none-eabi-" CACHE STRING "")
 ./cmake/platforms/zynqmp-r5-freertos.cmake:set (CROSS_PREFIX           "armr5-none-eabi-" CACHE STRING "")
 ./cmake/platforms/zynq7-linux.cmake:set (CROSS_PREFIX           "arm-xilinx-linux-gnueabi-" CACHE STRING "")
 ./cmake/platforms/zynq7-generic.cmake:set (CROSS_PREFIX           "arm-none-eabi-" CACHE STRING "")
 ./cmake/platforms/zynq7-generic-iar.cmake:set (CROSS_SUFFIX           "arm" CACHE STRING "")
 ./cmake/platforms/zynqmp-linux.cmake:set (CROSS_PREFIX           "aarch64-linux-gnu-" CACHE STRING "")
 ./cmake/platforms/cross-generic-gcc.cmake:CMAKE_FORCE_C_COMPILER   ("${CROSS_PREFIX}gcc" GNU)
 ./cmake/platforms/cross-generic-gcc.cmake:CMAKE_FORCE_CXX_COMPILER ("${CROSS_PREFIX}g++" GNU)
$ arm-^T
 ...
 arm-linux-gnueabihf-gcc
 ...
 arm-none-eabi-gcc
 ...
$ cat cmake/platforms/zynq7-generic.cmake
 set (CMAKE_SYSTEM_PROCESSOR "arm"              CACHE STRING "")
 set (MACHINE "zynq7" CACHE STRING "")
 set (CROSS_PREFIX           "arm-none-eabi-" CACHE STRING "")
 
 set (CMAKE_C_FLAGS          "-mcpu=cortex-a9 -mfpu=vfpv3 -mfloat-abi=hard -O2 -g" CACHE STRING "")
 
 include (cross-generic-gcc)
 
 # vim: expandtab:ts=2:sw=2:smartindent
$ cat cmake/platforms/cross-generic-gcc.cmake
 set (CMAKE_SYSTEM_NAME "Generic"             CACHE STRING "")
 set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER CACHE STRING "")
 set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER CACHE STRING "")
 set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER CACHE STRING "")
 
 include (CMakeForceCompiler)
 CMAKE_FORCE_C_COMPILER   ("${CROSS_PREFIX}gcc" GNU)
 CMAKE_FORCE_CXX_COMPILER ("${CROSS_PREFIX}g++" GNU)
 
 # vim: expandtab:ts=2:sw=2:smartindent
$

なので、

  • platforms/zynq7-freertos.cmake
  • platforms/zynq7-linux.cmake
  • platforms/zynq7-generic.cmake

のいずれかが読み込まれてくれると良さそうなのだけれど、、、 実は zynq7-linux だと CROSS_PREFIX が arm-linux-gnueabihf- となってほしいところ、 arm-xilinx-linux-gnueabi- となってしまう?

ただ、CMakeLists.txt を読んでもこの platform を指定する方法がわかりませんでした。

そこで、CMakeLists.txt に

LANG:cmake
   cmake_minimum_required (VERSION 2.6)
   
   list (APPEND CMAKE_MODULE_PATH
         "${CMAKE_SOURCE_DIR}/cmake"
         "${CMAKE_SOURCE_DIR}/cmake/modules"
         "${CMAKE_SOURCE_DIR}/cmake/platforms")
  
   project (metal C)
   
 + include (${PLATFORM_NAME})
 +
   include (CheckIncludeFiles)
   include (CheckCSourceCompiles)
   include (collect)
   include (options)
   include (depends)
   ...

のようにして PLATFORM_NAME へ platform 名を渡せるようにしてみたところ、

LANG:console
$ cd ~/z-turn/libmetal
$ mkdir build_zynq7-linux
$ cd build_zynq7-linux
$ cmake -DPLATFORM_NAME=zynq7-linux ..
 -- The C compiler identification is GNU 5.4.0
 -- Check for working C compiler: /usr/bin/cc
 -- Check for working C compiler: /usr/bin/cc -- works
 -- Detecting C compiler ABI info
 -- Detecting C compiler ABI info - done
 -- Detecting C compile features
 -- Detecting C compile features - done
 -- Host:    Linux/x86_64
 -- Target:  Linux/arm
 -- Machine: Generic
 -- Found Doxygen: /usr/bin/doxygen (found version "1.8.11")
 -- Looking for include file stdatomic.h
 -- Looking for include file stdatomic.h - found
 -- Looking for include file linux/futex.h
 -- Looking for include file linux/futex.h - found
 -- Found HUGETLBFS: /usr/lib/libhugetlbfs.so
 -- Found LIBSYSFS: /usr/lib/x86_64-linux-gnu/libsysfs.so
 -- Looking for pthread.h
 -- Looking for pthread.h - found
 -- Looking for pthread_create
 -- Looking for pthread_create - not found
 -- Looking for pthread_create in pthreads
 -- Looking for pthread_create in pthreads - not found
 -- Looking for pthread_create in pthread
 -- Looking for pthread_create in pthread - found
 -- Found Threads: TRUE
 -- Found LibRt: /usr/lib/x86_64-linux-gnu/librt.so
 -- Configuring done
 -- Generating done
 -- Build files have been written to: /home/osamu/z-turn/libmetal/build_zynq7-linux
$ ls
 CMakeCache.txt  CTestTestfile.cmake  cmake_install.cmake  lib
 CMakeFiles      Makefile             doc                  test
$ make
 Scanning dependencies of target metal-shared
 [  1%] Building C object lib/CMakeFiles/metal-shared.dir/device.c.o
 [  2%] Building C object lib/CMakeFiles/metal-shared.dir/init.c.o
 [  3%] Building C object lib/CMakeFiles/metal-shared.dir/log.c.o
 [  5%] Building C object lib/CMakeFiles/metal-shared.dir/shmem.c.o
 [  6%] Building C object lib/CMakeFiles/metal-shared.dir/version.c.o
 [  7%] Building C object lib/CMakeFiles/metal-shared.dir/dma.c.o
 [  8%] Building C object lib/CMakeFiles/metal-shared.dir/io.c.o
 [ 10%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/device.c.o
 [ 11%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/init.c.o
 [ 12%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/shmem.c.o
 [ 13%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/utilities.c.o
 [ 15%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/condition.c.o
 [ 16%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/irq.c.o
 [ 17%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/cache.c.o
 [ 18%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/io.c.o
 [ 20%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/time.c.o
 [ 21%] Building C object lib/CMakeFiles/metal-shared.dir/system/linux/sleep.c.o
 [ 22%] Linking C shared library libmetal.so
 [ 22%] Built target metal-shared
 Scanning dependencies of target metal-static
 [ 23%] Building C object lib/CMakeFiles/metal-static.dir/device.c.o
 [ 25%] Building C object lib/CMakeFiles/metal-static.dir/init.c.o
 [ 26%] Building C object lib/CMakeFiles/metal-static.dir/log.c.o
 [ 27%] Building C object lib/CMakeFiles/metal-static.dir/shmem.c.o
 [ 28%] Building C object lib/CMakeFiles/metal-static.dir/version.c.o
 [ 30%] Building C object lib/CMakeFiles/metal-static.dir/dma.c.o
 [ 31%] Building C object lib/CMakeFiles/metal-static.dir/io.c.o
 [ 32%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/device.c.o
 [ 33%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/init.c.o
 [ 35%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/shmem.c.o
 [ 36%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/utilities.c.o
 [ 37%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/condition.c.o
 [ 38%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/irq.c.o
 [ 40%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/cache.c.o
 [ 41%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/io.c.o
 [ 42%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/time.c.o
 [ 43%] Building C object lib/CMakeFiles/metal-static.dir/system/linux/sleep.c.o
 [ 45%] Linking C static library libmetal.a
 [ 45%] Built target metal-static
 Scanning dependencies of target test-metal-shared
 [ 46%] Building C object test/CMakeFiles/test-metal-shared.dir/system/linux/main.c.o
 [ 47%] Building C object test/CMakeFiles/test-metal-shared.dir/system/linux/atomic.c.o
 [ 48%] Building C object test/CMakeFiles/test-metal-shared.dir/system/linux/mutex.c.o
 [ 50%] Building C object test/CMakeFiles/test-metal-shared.dir/system/linux/shmem.c.o
 [ 51%] Building C object test/CMakeFiles/test-metal-shared.dir/system/linux/condition.c.o
 [ 52%] Building C object test/CMakeFiles/test-metal-shared.dir/system/linux/threads.c.o
 [ 53%] Building C object test/CMakeFiles/test-metal-shared.dir/system/linux/spinlock.c.o
 [ 55%] Building C object test/CMakeFiles/test-metal-shared.dir/system/linux/alloc.c.o
 [ 56%] Building C object test/CMakeFiles/test-metal-shared.dir/version.c.o
 [ 57%] Building C object test/CMakeFiles/test-metal-shared.dir/metal-test.c.o
 [ 58%] Linking C executable test-metal-shared
 [ 58%] Built target test-metal-shared
 Scanning dependencies of target test-metal-static
 [ 60%] Building C object test/CMakeFiles/test-metal-static.dir/system/linux/main.c.o
 [ 61%] Building C object test/CMakeFiles/test-metal-static.dir/system/linux/atomic.c.o
 [ 62%] Building C object test/CMakeFiles/test-metal-static.dir/system/linux/mutex.c.o
 [ 63%] Building C object test/CMakeFiles/test-metal-static.dir/system/linux/shmem.c.o
 [ 65%] Building C object test/CMakeFiles/test-metal-static.dir/system/linux/condition.c.o
 [ 66%] Building C object test/CMakeFiles/test-metal-static.dir/system/linux/threads.c.o
 [ 67%] Building C object test/CMakeFiles/test-metal-static.dir/system/linux/spinlock.c.o
 [ 68%] Building C object test/CMakeFiles/test-metal-static.dir/system/linux/alloc.c.o
 [ 70%] Building C object test/CMakeFiles/test-metal-static.dir/version.c.o
 [ 71%] Building C object test/CMakeFiles/test-metal-static.dir/metal-test.c.o
 [ 72%] Linking C executable test-metal-static
 [ 72%] Built target test-metal-static
 Scanning dependencies of target metal-headers
 [ 73%] Building C object test/CMakeFiles/metal-headers.dir/metal-atomic-h.c.o
 [ 75%] Building C object test/CMakeFiles/metal-headers.dir/metal-compiler-h.c.o
 [ 76%] Building C object test/CMakeFiles/metal-headers.dir/metal-config-h.c.o
 [ 77%] Building C object test/CMakeFiles/metal-headers.dir/metal-device-h.c.o
 [ 78%] Building C object test/CMakeFiles/metal-headers.dir/metal-io-h.c.o
 [ 80%] Building C object test/CMakeFiles/metal-headers.dir/metal-list-h.c.o
 [ 81%] Building C object test/CMakeFiles/metal-headers.dir/metal-log-h.c.o
 [ 82%] Building C object test/CMakeFiles/metal-headers.dir/metal-mutex-h.c.o
 [ 83%] Building C object test/CMakeFiles/metal-headers.dir/metal-condition-h.c.o
 [ 85%] Building C object test/CMakeFiles/metal-headers.dir/metal-shmem-h.c.o
 [ 86%] Building C object test/CMakeFiles/metal-headers.dir/metal-sys-h.c.o
 [ 87%] Building C object test/CMakeFiles/metal-headers.dir/metal-utilities-h.c.o
 [ 88%] Building C object test/CMakeFiles/metal-headers.dir/metal-version-h.c.o
 [ 90%] Building C object test/CMakeFiles/metal-headers.dir/metal-cpu-h.c.o
 [ 91%] Building C object test/CMakeFiles/metal-headers.dir/metal-spinlock-h.c.o
 [ 92%] Building C object test/CMakeFiles/metal-headers.dir/metal-irq-h.c.o
 [ 93%] Building C object test/CMakeFiles/metal-headers.dir/metal-alloc-h.c.o
 [ 95%] Building C object test/CMakeFiles/metal-headers.dir/metal-cache-h.c.o
 [ 96%] Building C object test/CMakeFiles/metal-headers.dir/metal-dma-h.c.o
 [ 97%] Building C object test/CMakeFiles/metal-headers.dir/metal-time-h.c.o
 [ 98%] Building C object test/CMakeFiles/metal-headers.dir/metal-sleep-h.c.o
 [100%] Linking C static library libmetal-headers.a
 [100%] Built target metal-headers
 Scanning dependencies of target doc
 /home/osamu/z-turn/libmetal/lib/io.h:381: warning: end of file while inside a group
 
 /home/osamu/z-turn/libmetal/lib/system/freertos/irq.h:44: warning: argument 'interrupt' of command @param is not found in the argument list of metal_irq_isr(unsigned int vector)
 /home/osamu/z-turn/libmetal/lib/system/freertos/irq.h:47: warning: The following parameters of metal_irq_isr(unsigned int vector) are not documented:
   parameter 'vector'
 /home/osamu/z-turn/libmetal/lib/system/freertos/irq.h:44: warning: argument 'interrupt' of command @param is not found in the argument list of metal_irq_isr(unsigned int vector)
 /home/osamu/z-turn/libmetal/lib/system/generic/irq.h:47: warning: The following parameters of metal_irq_isr(unsigned int vector) are not documented:
   parameter 'vector'
 /home/osamu/z-turn/libmetal/lib/system/freertos/irq.h:44: warning: argument 'interrupt' of command @param is not found in the argument list of metal_irq_isr(unsigned int vector)
 /home/osamu/z-turn/libmetal/lib/system/freertos/irq.c:182: warning: The following parameters of metal_irq_isr(unsigned int vector) are not documented:
   parameter 'vector'
 [100%] Built target doc

として、(なぜか)ちゃんとビルドできました。

インストールは後で試す。

ん?

LANG:console
$ file lib/libmetal.so.0.1.0
 lib/libmetal.so.0.1.0: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=398b57d8d9b6c74b202d3abb480b317926bd8028, not stripped

ダメっぽい???

LANG:console
$ grep -s CROSS `find`
 ./CMakeFiles/3.5.1/CMakeSystem.cmake:set(CMAKE_CROSSCOMPILING "FALSE")
 ./CMakeCache.txt:CROSS_PREFIX:STRING=arm-xilinx-linux-gnueabi-
$ grep -s arm-xilinx- `find`
 ./CMakeCache.txt:CMAKE_CXX_COMPILER:STRING=arm-xilinx-linux-gnueabi-g++
 ./CMakeCache.txt:CROSS_PREFIX:STRING=arm-xilinx-linux-gnueabi-
$ which arm-xilinx-linux-gnueabi-g++
$ cat CMakeFiles/3.5.1/CMakeSystem.cmake
 set(CMAKE_HOST_SYSTEM "Linux-4.4.0-62-generic")
 set(CMAKE_HOST_SYSTEM_NAME "Linux")
 set(CMAKE_HOST_SYSTEM_VERSION "4.4.0-62-generic")
 set(CMAKE_HOST_SYSTEM_PROCESSOR "x86_64")
 
 set(CMAKE_SYSTEM "Linux-4.4.0-62-generic")
 set(CMAKE_SYSTEM_NAME "Linux")
 set(CMAKE_SYSTEM_VERSION "4.4.0-62-generic")
 set(CMAKE_SYSTEM_PROCESSOR "x86_64")
 
 set(CMAKE_CROSSCOMPILING "FALSE")
 
 set(CMAKE_SYSTEM_LOADED 1)
$ grep -s CMakeSystem `find`
 ./CMakeFiles/Makefile.cmake:  "CMakeFiles/3.5.1/CMakeSystem.cmake"
 ./CMakeFiles/Makefile.cmake:  "/usr/share/cmake-3.5/Modules/CMakeSystem.cmake.in"
 ./CMakeFiles/Makefile.cmake:  "/usr/share/cmake-3.5/Modules/CMakeSystemSpecificInformation.cmake"
 ./CMakeFiles/Makefile.cmake:  "/usr/share/cmake-3.5/Modules/CMakeSystemSpecificInitialize.cmake"
 ./CMakeFiles/Makefile.cmake:  "CMakeFiles/3.5.1/CMakeSystem.cmake"
$ 

zynq-generic 用のビルド

LANG:console
$ mkdir build_zynq7-generic
$ cd build_zynq7-generic
$ cmake -DPLATFORM_NAME=zynq7-generic ..
 -- The C compiler identification is GNU 5.4.0
 -- Check for working C compiler: /usr/bin/cc
 -- Check for working C compiler: /usr/bin/cc -- works
 -- Detecting C compiler ABI info
 -- Detecting C compiler ABI info - done
 -- Detecting C compile features
 -- Detecting C compile features - done
 -- Host:    Linux/x86_64
 -- Target:  Generic/arm
 -- Machine: zynq7
 -- Found Doxygen: /usr/bin/doxygen (found version "1.8.11")
 -- Looking for include file stdatomic.h
 -- Looking for include file stdatomic.h - found
 -- Configuring done
 -- Generating done
 -- Build files have been written to: /home/osamu/z-turn/libmetal/build_zynq7-generic
$ ls -F
 CMakeCache.txt  CTestTestfile.cmake  cmake_install.cmake  lib/
 CMakeFiles/     Makefile             doc/
$ make
 Scanning dependencies of target metal-static
 [  5%] Building C object lib/CMakeFiles/metal-static.dir/device.c.o
 In file included from /home/osamu/z-turn/libmetal/build_zynq7-generic/lib/include/metal/system/generic/sys.h:52:0,
                  from /home/osamu/z-turn/libmetal/build_zynq7-generic/lib/include/metal/sys.h:108,
                  from /home/osamu/z-turn/libmetal/build_zynq7-generic/lib/include/metal/io.h:44,
                  from /home/osamu/z-turn/libmetal/build_zynq7-generic/lib/include/metal/device.h:40,
                  from /home/osamu/z-turn/libmetal/lib/device.c:33:
 /home/osamu/z-turn/libmetal/build_zynq7-generic/lib/include/metal/system/generic/./zynq7/sys.h:40:21: fatal error: xscugic.h: No such file or directory
 compilation terminated.
 lib/CMakeFiles/metal-static.dir/build.make:62: ターゲット 'lib/CMakeFiles/metal-static.dir/device.c.o' のレシピで失敗しました
 make[2]: *** [lib/CMakeFiles/metal-static.dir/device.c.o] エラー 1
 CMakeFiles/Makefile2:93: ターゲット 'lib/CMakeFiles/metal-static.dir/all' のレシピで失敗しました
 make[1]: *** [lib/CMakeFiles/metal-static.dir/all] エラー 2
 Makefile:138: ターゲット 'all' のレシピで失敗しました
 make: *** [all] エラー 2

こちらでは cmake は成功するものの、 make では一部のヘッダーファイルが足りないようで失敗してしまいました。

xscugic.h は xilinx の gic = 割り込みコントローラ関連のヘッダーファイルのようです。

https://github.com/Xilinx/embeddedsw/blob/master/XilinxProcessorIPLib/drivers/scugic/src/xscugic.h

vivado をインストールすると、
C:\Xilinx\SDK\2016.4\data\embeddedsw\XilinxProcessorIPLib\drivers\scugic_v3_5\src\xscugic.h

に保存されています。

ん~と、これ、どういう風にインストールしたら良いんだろう???
petalinux があまりにブラックボックスすぎて困ってしまいます。

LANG:console
$ cd ~/z-turn
$ git clone https://github.com/Xilinx/embeddedsw.git
$ ls embeddedsw/
 README.txt  XilinxProcessorIPLib  lib          mcap
 ThirdParty  doc                   license.txt
$ ls embeddedsw/XilinxProcessorIPLib/drivers/scugic/src/xscugic.h
 embeddedsw/XilinxProcessorIPLib/drivers/scugic/src/xscugic.h
$

Counter: 7622 (from 2010/06/03), today: 1, yesterday: 0