add basic support for lm32 architecture

5 files changed, 248 insertions, 0 deletions

diff --git a/target/arch.lst b/target/arch.lst
index 4ad60b50c..7e670e67d 100644
--- a/target/arch.lst
+++ b/target/arch.lst
@@ -9,6 +9,7 @@ cris
 h8300
 hppa
 ia64
+lm32
 m68k
 metag
 microblaze
diff --git a/target/config/Config.in.cpu b/target/config/Config.in.cpu
index 4b87ef3e0..28ce2c928 100644
--- a/target/config/Config.in.cpu
+++ b/target/config/Config.in.cpu
@@ -475,6 +475,11 @@ config ADK_CPU_I686
 	select ADK_TARGET_WITH_NPTL
 	select ADK_TARGET_WITH_MMU
 
+config ADK_CPU_LM32
+	bool
+	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_WITHOUT_MMU
+
 config ADK_CPU_LOONGSON2F
 	bool
 	select ADK_LINUX_64
@@ -916,6 +921,7 @@ config ADK_TARGET_CPU_ARCH
 	default "h8300" if ADK_TARGET_ARCH_H8300
 	default "hppa" if ADK_TARGET_ARCH_HPPA
 	default "ia64" if ADK_TARGET_ARCH_IA64
+	default "lm32" if ADK_TARGET_ARCH_LM32
 	default "m68k" if ADK_TARGET_ARCH_M68K
 	default "metag" if ADK_TARGET_ARCH_METAG
 	default "microblaze" if ADK_TARGET_ARCH_MICROBLAZE && ADK_TARGET_BIG_ENDIAN
diff --git a/target/lm32/Makefile b/target/lm32/Makefile
new file mode 100644
index 000000000..03afae8f0
--- /dev/null
+++ b/target/lm32/Makefile
@@ -0,0 +1,7 @@
+# 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
+
diff --git a/target/lm32/systems/toolchain-lm32 b/target/lm32/systems/toolchain-lm32
new file mode 100644
index 000000000..ef51bb4ee
--- /dev/null
+++ b/target/lm32/systems/toolchain-lm32
@@ -0,0 +1,11 @@
+config ADK_TARGET_SYSTEM_TOOLCHAIN_LM32
+	bool "Toolchain only"
+	select ADK_CPU_LM32
+	select ADK_TARGET_UCLINUX
+	select ADK_TARGET_TOOLCHAIN
+	select ADK_TARGET_PACKAGE_TXZ
+	select ADK_TARGET_KERNEL_REPO "https://github.com/m-labs/linux-milkymist.git"
+	select ADK_TARGET_KERNEL_HASH "6a2f2e4198eaff63ee75f6085ce9f966c47b4441"
+	help
+	  LM32 toolchain.
+
diff --git a/target/lm32/uclibc-ng.config b/target/lm32/uclibc-ng.config
new file mode 100644
index 000000000..147977d00
--- /dev/null
+++ b/target/lm32/uclibc-ng.config
@@ -0,0 +1,223 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# uClibc-ng 1.0.0-git C Library Configuration
+#
+# 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_frv is not set
+# TARGET_h8300 is not set
+# TARGET_hppa is not set
+# TARGET_i386 is not set
+# TARGET_i960 is not set
+# TARGET_ia64 is not set
+TARGET_lm32=y
+# TARGET_m68k is not set
+# TARGET_metag is not set
+# TARGET_microblaze is not set
+# TARGET_mips 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_v850 is not set
+# TARGET_x86_64 is not set
+# TARGET_xtensa is not set
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="lm32"
+FORCE_OPTIONS_FOR_ARCH=y
+TARGET_SUBARCH=""
+UCLIBC_FORMAT_FLAT=y
+# UCLIBC_FORMAT_FLAT_SEP_DATA is not set
+# UCLIBC_FORMAT_SHARED_FLAT is not set
+ARCH_BIG_ENDIAN=y
+# ARCH_WANTS_BIG_ENDIAN is not set
+# ARCH_WANTS_LITTLE_ENDIAN is not set
+
+#
+# Using Big Endian
+#
+ARCH_HAS_NO_MMU=y
+
+#
+# Target CPU lacks a memory management unit (MMU)
+#
+UCLIBC_HAS_FLOATS=y
+# UCLIBC_HAS_FPU is not set
+UCLIBC_HAS_SOFT_FLOAT=y
+DO_C99_MATH=y
+# DO_XSI_MATH is not set
+# UCLIBC_HAS_FENV is not set
+KERNEL_HEADERS=""
+UCLIBC_UCLINUX_BROKEN_MUNMAP=y
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+HAVE_NO_PIC=y
+ARCH_HAS_NO_SHARED=y
+ARCH_HAS_NO_LDSO=y
+UCLIBC_CTOR_DTOR=y
+HAS_NO_THREADS=y
+# UCLIBC_HAS_LINUXTHREADS is not set
+# UCLIBC_HAS_THREADS_NATIVE is not set
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+UCLIBC_HAS_OBSTACK=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_MODULE_26=y
+# UCLIBC_LINUX_MODULE_24 is not set
+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 is not set
+# UCLIBC_HAS_SHA512_CRYPT_IMPL is not set
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+# UCLIBC_HAS_RPC is not set
+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
+UCLIBC_HAS_LIBRESOLV_STUB=y
+UCLIBC_HAS_LIBNSL_STUB=y
+
+#
+# String and Stdio Support
+#
+UCLIBC_HAS_STRING_GENERIC_OPT=y
+UCLIBC_HAS_STRING_ARCH_OPT=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_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 is not set
+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
+
+#
+# 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=y
+# ARC4RANDOM_USES_NODEV is not set
+# UCLIBC_HAS_SSP 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
+# UCLIBC_MALLOC_DEBUGGING is not set
+WARNINGS="-Wall"
+# EXTRA_WARNINGS is not set
+# DOMULTI is not set