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2. LANTank

Content:

IO-Data LANTANK Specifications:
/proc/cpuinfo
Cross Compile Preparation
References:

2.a. IO-Data LANTANK Specifications:

Code Listing 1.1: Board Specifications

# SH4 SH7751 processor, ~266MHz
# 64MB RAM
# Artop Electronic Corp ATP865 IDE controller
# 10/100Mbit Realtek 8139C+ Ethernet controller
# 2x NEC USB 2.0

2.b. /proc/cpuinfo

Code Listing 2.1: CPU Info

machine         : LANDISK
processor       : 0
cpu family      : sh4
cpu type        : SH7751R
cpu flags       : fpu ptea
cache type      : split (harvard)
icache size     : 16KiB (2-way)
dcache size     : 32KiB (2-way)
bogomips        : 266.24
master_clk      : 266.66MHz
module_clk      : 33.33MHz
bus_clk         : 133.33MHz
cpu_clk         : 266.66MHz
tmu0_clk        : 8.33MHz

2.c. Cross Compile Preparation

Code Listing 3.1: Setup

emerge crossdev
crossdev sh4-unknown-linux-gnu

Code Listing 3.2: Emerge Wrapper (lantank-merge)

#!/bin/sh

CHOST=sh4-unknown-linux-gnu

#export CBUILD=$(portageq envvar CBUILD)
export SYSROOT="/usr/${CHOST}"
export PORTAGE_CONFIGROOT="/usr/${CHOST}"

# optional exports
export enable_malloc0returnsnull=yes \
        ac_cv_file__usr_share_sgml_X11_defs_ent=1 \
        ac_cv_func_setpgrp_void=yes ac_cv_func_setgrent_void=yes \
        ac_cv_func_calloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes \
        gl_cv_func_malloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes \
        ac_cv_func_memcmp_working=yes ac_cv_func_strnlen_working=yes

# optional export for glib:2
export glib_cv_uscore=no glib_cv_stack_grows=no \
        glib_cv_stack_grows=no  glib_cv_has__inline=yes \
        glib_cv_has__inline__=yes glib_cv_hasinline=yes \
        glib_cv_sane_realloc=yes glib_cv_va_copy=yes \
        glib_cv___va_copy=yes glib_cv_va_val_copy=no \
        glib_cv_rtldglobal_broken=no glib_cv_uscore=no \
        ac_cv_func_posix_getpwuid_r=yes \
        ac_cv_func_posix_getgrgid_r=yes \
        ac_cv_header_pwd_h=yes \
        ac_cv_func_getpwuid_r=yes \
        glib_cv_sizeof_gmutex=40 

FAKEROOT=
if [[ $(id -u) != 0 ]]; then
	if [[ $(type -p fakeroot) != "" ]]; then
		FAKEROOT=fakeroot
	fi
fi

${FAKEROOT} emerge -q "$@"

Code Listing 3.3: /usr/sh4-unknown-linux-gnu/etc/make.conf

#
CHOST=sh4-unknown-linux-gnu
CBUILD=x86_64-pc-linux-gnu
ARCH="sh"
ROOT=/usr/${CHOST}/
ACCEPT_KEYWORDS="sh ~sh"
USE="${ARCH} zlib bindist make-symlinks minimal \
        input_devices_keyboard input_devices_evdev \
        video_cards_fbdev video_cards_dummy"

VIDEO_CARDS="fbdev dummy"

INPUT_DEVICES="evdev keyboard mouse touchscreen"
USE_EXPAND="video_cards input_devices"
MARCH_TUNE="-m4"
CFLAGS="-Os -pipe ${MARCH_TUNE} -fomit-frame-pointer -I${ROOT}/usr/include/ -I${ROOT}/include/"

CXXFLAGS="${CFLAGS}"
LDFLAGS="-L${ROOT}/usr/lib -L${ROOT}/lib"

PKG_CONFIG_PATH="${ROOT}/usr/lib/pkgconfig/"
MAKEOPTS="-j8"
FEATURES="-collision-protect sandbox buildpkg noman noinfo nodoc"

PORTDIR_OVERLAY="/usr/portage/local/"
PKGDIR=${ROOT}/packages/
PORTAGE_TMPDIR=${ROOT}/tmp/
PORTAGE_WORKDIR_MODE=2775
PORTAGE_ECLASS_WARNING_ENABLE=0

CLEAN_DELAY=0
EPAUSE_IGNORE=1
EBEEP_IGNORE=1

2.d. References: