add basic support for architecture c-sky, not yet working

3 files changed, 303 insertions, 0 deletions

diff --git a/target/csky/Makefile b/target/csky/Makefile
new file mode 100644
index 000000000..3d8f8d42b
--- /dev/null
+++ b/target/csky/Makefile
@@ -0,0 +1,56 @@
+# This file is part of the OpenADK project. OpenADK is copyrighted
+# material, please see the LICENCE file in the top-level directory.
+
+include $(ADK_TOPDIR)/rules.mk
+include $(ADK_TOPDIR)/mk/kernel-build.mk
+include $(ADK_TOPDIR)/mk/image.mk
+
+KERNEL:=$(LINUX_DIR)/$(ADK_TARGET_KERNEL)
+
+# target helper text
+ifeq ($(ADK_TARGET_FS),archive)
+targethelp:
+	@echo "The RootFS tarball is: $(FW_DIR)/$(ROOTFSTARBALL)"
+endif
+ifeq ($(ADK_TARGET_FS),initramfs)
+targethelp:
+	@echo 'The kernel file is: $(FW_DIR)/${TARGET_KERNEL}'
+	@echo 'The initramfs image is: ${FW_DIR}/${INITRAMFS}'
+endif
+ifeq ($(ADK_TARGET_FS),initramfsarchive)
+targethelp:
+	@echo 'The kernel file is: $(FW_DIR)/${TARGET_KERNEL}'
+	@echo "The RootFS tarball is: $(FW_DIR)/$(ROOTFSUSERTARBALL)"
+endif
+ifeq ($(ADK_TARGET_FS),initramfspiggyback)
+targethelp:
+	@echo 'The kernel+initramfs file is: $(FW_DIR)/${TARGET_KERNEL}'
+endif
+ifeq ($(ADK_TARGET_FS),nfsroot)
+targethelp:
+	@echo 'The kernel file is: $(FW_DIR)/${TARGET_KERNEL}'
+	@echo "The RootFS tarball is: $(FW_DIR)/$(ROOTFSUSERTARBALL)"
+endif
+
+kernel-strip:
+	@cp $(KERNEL) $(BUILD_DIR)/$(TARGET_KERNEL)
+
+kernel-install: kernel-strip
+	@cp $(BUILD_DIR)/$(TARGET_KERNEL) $(FW_DIR)/$(TARGET_KERNEL)
+
+# filesystem specific targets
+ifeq ($(ADK_TARGET_FS),archive)
+imageinstall: $(FW_DIR)/$(ROOTFSTARBALL) targethelp
+endif
+ifeq ($(ADK_TARGET_FS),initramfs)
+imageinstall: kernel-install $(FW_DIR)/$(INITRAMFS) targethelp
+endif
+ifeq ($(ADK_TARGET_FS),initramfsarchive)
+imageinstall: kernel-install $(FW_DIR)/$(ROOTFSUSERTARBALL) targethelp
+endif
+ifeq ($(ADK_TARGET_FS),initramfspiggyback)
+imageinstall: createinitramfs targethelp
+endif
+ifeq ($(ADK_TARGET_FS),nfsroot)
+imageinstall: kernel-install $(FW_DIR)/$(ROOTFSUSERTARBALL) targethelp
+endif
diff --git a/target/csky/kernel/generic-csky b/target/csky/kernel/generic-csky
new file mode 100644
index 000000000..f126bb9df
--- /dev/null
+++ b/target/csky/kernel/generic-csky
@@ -0,0 +1 @@
+CONFIG_CSKY=y
diff --git a/target/csky/uclibc-ng.config b/target/csky/uclibc-ng.config
new file mode 100644
index 000000000..d593b9fde
--- /dev/null
+++ b/target/csky/uclibc-ng.config
@@ -0,0 +1,246 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# uClibc-ng 1.0.24 C Library Configuration
+#
+# TARGET_aarch64 is not set
+# TARGET_alpha is not set
+# TARGET_arc is not set
+# TARGET_arm is not set
+# TARGET_avr32 is not set
+# TARGET_bfin is not set
+# TARGET_c6x is not set
+# TARGET_cris is not set
+TARGET_csky=y
+# TARGET_frv is not set
+# TARGET_h8300 is not set
+# TARGET_hppa is not set
+# TARGET_i386 is not set
+# TARGET_ia64 is not set
+# TARGET_lm32 is not set
+# TARGET_m68k is not set
+# TARGET_metag is not set
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+# TARGET_nds32 is not set
+# TARGET_nios2 is not set
+# TARGET_or1k is not set
+# TARGET_powerpc is not set
+# TARGET_sh is not set
+# TARGET_sparc is not set
+# TARGET_x86_64 is not set
+# TARGET_xtensa is not set
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="csky"
+FORCE_OPTIONS_FOR_ARCH=y
+CK610=y
+# CK810 is not set
+# CK807 is not set
+# CONFIG_NDS32_PAGE_SIZE_4K is not set
+# CONFIG_NDS32_PAGE_SIZE_8K is not set
+TARGET_SUBARCH=""
+
+#
+# Using ELF file format
+#
+ARCH_HAS_DEPRECATED_SYSCALLS=y
+ARCH_ANY_ENDIAN=y
+ARCH_LITTLE_ENDIAN=y
+# ARCH_WANTS_BIG_ENDIAN is not set
+ARCH_WANTS_LITTLE_ENDIAN=y
+ARCH_HAS_MMU=y
+ARCH_USE_MMU=y
+UCLIBC_HAS_FLOATS=y
+UCLIBC_HAS_FPU=y
+DO_C99_MATH=y
+DO_XSI_MATH=y
+# UCLIBC_HAS_FENV is not set
+UCLIBC_HAS_LONG_DOUBLE_MATH=y
+KERNEL_HEADERS=""
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+DOPIC=y
+HAVE_SHARED=y
+# FORCE_SHAREABLE_TEXT_SEGMENTS is not set
+LDSO_LDD_SUPPORT=y
+LDSO_CACHE_SUPPORT=y
+# LDSO_PRELOAD_ENV_SUPPORT is not set
+# LDSO_PRELOAD_FILE_SUPPORT is not set
+LDSO_BASE_FILENAME="ld.so"
+# LDSO_STANDALONE_SUPPORT is not set
+# LDSO_PRELINK_SUPPORT is not set
+# UCLIBC_STATIC_LDCONFIG is not set
+LDSO_RUNPATH=y
+LDSO_RUNPATH_OF_EXECUTABLE=y
+LDSO_SAFE_RUNPATH=y
+LDSO_SEARCH_INTERP_PATH=y
+LDSO_LD_LIBRARY_PATH=y
+LDSO_NO_CLEANUP=y
+UCLIBC_CTOR_DTOR=y
+# LDSO_GNU_HASH_SUPPORT is not set
+# HAS_NO_THREADS is not set
+# UCLIBC_HAS_LINUXTHREADS is not set
+UCLIBC_HAS_THREADS_NATIVE=y
+UCLIBC_HAS_THREADS=y
+UCLIBC_HAS_TLS=y
+PTHREADS_DEBUG_SUPPORT=y
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+# MALLOC is not set
+# MALLOC_SIMPLE is not set
+MALLOC_STANDARD=y
+UCLIBC_DYNAMIC_ATEXIT=y
+COMPAT_ATEXIT=y
+UCLIBC_HAS_UTMPX=y
+UCLIBC_HAS_UTMP=y
+UCLIBC_SUSV2_LEGACY=y
+UCLIBC_SUSV3_LEGACY=y
+# UCLIBC_SUSV3_LEGACY_MACROS is not set
+UCLIBC_SUSV4_LEGACY=y
+# UCLIBC_STRICT_HEADERS is not set
+# UCLIBC_HAS_STUBS is not set
+UCLIBC_HAS_SHADOW=y
+UCLIBC_HAS_PROGRAM_INVOCATION_NAME=y
+UCLIBC_HAS___PROGNAME=y
+UCLIBC_HAS_PTY=y
+ASSUME_DEVPTS=y
+UNIX98PTY_ONLY=y
+UCLIBC_HAS_GETPT=y
+UCLIBC_HAS_LIBUTIL=y
+UCLIBC_HAS_TM_EXTENSIONS=y
+UCLIBC_HAS_TZ_CACHING=y
+UCLIBC_HAS_TZ_FILE=y
+UCLIBC_HAS_TZ_FILE_READ_MANY=y
+UCLIBC_TZ_FILE_PATH="/etc/TZ"
+UCLIBC_FALLBACK_TO_ETC_LOCALTIME=y
+
+#
+# Advanced Library Settings
+#
+UCLIBC_PWD_BUFFER_SIZE=256
+UCLIBC_GRP_BUFFER_SIZE=256
+
+#
+# Support various families of functions
+#
+UCLIBC_LINUX_SPECIFIC=y
+UCLIBC_HAS_GNU_ERROR=y
+UCLIBC_BSD_SPECIFIC=y
+UCLIBC_HAS_BSD_ERR=y
+UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+# UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL is not set
+# UCLIBC_NTP_LEGACY is not set
+UCLIBC_SV4_DEPRECATED=y
+UCLIBC_HAS_REALTIME=y
+UCLIBC_HAS_ADVANCED_REALTIME=y
+UCLIBC_HAS_EPOLL=y
+UCLIBC_HAS_XATTR=y
+# UCLIBC_HAS_PROFILING is not set
+UCLIBC_HAS_CRYPT_IMPL=y
+UCLIBC_HAS_SHA256_CRYPT_IMPL=y
+UCLIBC_HAS_SHA512_CRYPT_IMPL=y
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+UCLIBC_USE_NETLINK=y
+UCLIBC_SUPPORT_AI_ADDRCONFIG=y
+UCLIBC_HAS_BSD_RES_CLOSE=y
+UCLIBC_HAS_COMPAT_RES_STATE=y
+# UCLIBC_HAS_EXTRA_COMPAT_RES_STATE is not set
+UCLIBC_HAS_RESOLVER_SUPPORT=y
+
+#
+# String and Stdio Support
+#
+UCLIBC_HAS_STRING_GENERIC_OPT=y
+UCLIBC_HAS_STRING_ARCH_OPT=y
+UCLIBC_HAS_STDIO_FUTEXES=y
+UCLIBC_HAS_CTYPE_TABLES=y
+UCLIBC_HAS_CTYPE_SIGNED=y
+# UCLIBC_HAS_CTYPE_UNSAFE is not set
+UCLIBC_HAS_CTYPE_CHECKED=y
+# UCLIBC_HAS_CTYPE_ENFORCED is not set
+UCLIBC_HAS_WCHAR=y
+# UCLIBC_HAS_LIBICONV is not set
+# UCLIBC_HAS_LIBINTL is not set
+# UCLIBC_HAS_LOCALE is not set
+UCLIBC_HAS_HEXADECIMAL_FLOATS=y
+UCLIBC_HAS_GLIBC_CUSTOM_PRINTF=y
+UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS=9
+# UCLIBC_HAS_STDIO_BUFSIZ_256 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_512 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_1024 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_2048 is not set
+UCLIBC_HAS_STDIO_BUFSIZ_4096=y
+# UCLIBC_HAS_STDIO_BUFSIZ_8192 is not set
+UCLIBC_HAS_STDIO_BUILTIN_BUFFER_NONE=y
+# UCLIBC_HAS_STDIO_BUILTIN_BUFFER_4 is not set
+# UCLIBC_HAS_STDIO_BUILTIN_BUFFER_8 is not set
+# UCLIBC_HAS_STDIO_SHUTDOWN_ON_ABORT is not set
+UCLIBC_HAS_STDIO_GETC_MACRO=y
+UCLIBC_HAS_STDIO_PUTC_MACRO=y
+UCLIBC_HAS_STDIO_AUTO_RW_TRANSITION=y
+# UCLIBC_HAS_FOPEN_LARGEFILE_MODE is not set
+UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE=y
+UCLIBC_HAS_FOPEN_CLOSEEXEC_MODE=y
+UCLIBC_HAS_GLIBC_CUSTOM_STREAMS=y
+UCLIBC_HAS_PRINTF_M_SPEC=y
+UCLIBC_HAS_ERRNO_MESSAGES=y
+# UCLIBC_HAS_SYS_ERRLIST is not set
+UCLIBC_HAS_SIGNUM_MESSAGES=y
+# UCLIBC_HAS_SYS_SIGLIST is not set
+UCLIBC_HAS_GNU_GETOPT=y
+UCLIBC_HAS_GETOPT_LONG=y
+UCLIBC_HAS_GNU_GETSUBOPT=y
+UCLIBC_HAS_ARGP=y
+
+#
+# Big and Tall
+#
+UCLIBC_HAS_REGEX=y
+UCLIBC_HAS_FNMATCH=y
+UCLIBC_HAS_WORDEXP=y
+UCLIBC_HAS_NFTW=y
+UCLIBC_HAS_FTW=y
+UCLIBC_HAS_FTS=y
+UCLIBC_HAS_GLOB=y
+UCLIBC_HAS_GNU_GLOB=y
+
+#
+# Library Installation Options
+#
+RUNTIME_PREFIX="/"
+DEVEL_PREFIX="/usr/"
+MULTILIB_DIR="lib"
+HARDWIRED_ABSPATH=y
+
+#
+# Security options
+#
+# UCLIBC_HAS_ARC4RANDOM is not set
+# UCLIBC_HAS_SSP is not set
+# UCLIBC_BUILD_RELRO is not set
+# UCLIBC_BUILD_NOW is not set
+UCLIBC_BUILD_NOEXECSTACK=y
+
+#
+# Development/debugging options
+#
+CROSS_COMPILER_PREFIX=""
+UCLIBC_EXTRA_CFLAGS=""
+# DODEBUG is not set
+# DOSTRIP is not set
+# DOASSERTS is not set
+# SUPPORT_LD_DEBUG is not set
+# SUPPORT_LD_DEBUG_EARLY is not set
+# UCLIBC_MALLOC_DEBUGGING is not set
+# UCLIBC_HAS_BACKTRACE is not set
+WARNINGS="-Wall"
+# EXTRA_WARNINGS is not set