add initial support for the crisarchitecture used on foxboards to openwrt

SVN-Revision: 7439

6 files changed, 265 insertions, 3 deletions

diff --git a/toolchain/Config.in b/toolchain/Config.in
index 926381c0bd..1f8158286f 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -23,7 +23,6 @@ config GDB
 config LARGEFILE
 	bool
 	prompt "Enable large file (files > 2 GB) support?" if TOOLCHAINOPTS
-	depends on !cris
 	default y
 	help
 		Enable large file (files > 2 GB) support
diff --git a/toolchain/kernel-headers/Makefile b/toolchain/kernel-headers/Makefile
index 27dcacd80a..6a60b56097 100644
--- a/toolchain/kernel-headers/Makefile
+++ b/toolchain/kernel-headers/Makefile
@@ -15,16 +15,33 @@ PKG_SOURCE_URL=$(LINUX_SITE)
 
 PKG_BUILD_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux-$(PKG_VERSION)
 
+LINUX_DIR:=$(PKG_BUILD_DIR)/linux-$(LINUX_VERSION)
+KERNEL_BUILD_DIR:=$(PKG_BUILD_DIR)
+include $(INCLUDE_DIR)/kernel-defaults.mk
+
 include $(INCLUDE_DIR)/host-build.mk
 
-define Build/Prepare
+define Build/Prepare/cris
 	mkdir -p $(TOOLCHAIN_BUILD_DIR)
 	bzcat $(DL_DIR)/$(PKG_SOURCE) | $(HOST_TAR) -C $(TOOLCHAIN_BUILD_DIR) $(TAR_OPTIONS)
-	$(PATCH) $(PKG_BUILD_DIR) $(TOPDIR)/target/linux/generic-$(KERNEL)/patches
+	$(PATCH) $(PKG_BUILD_DIR) $(TOPDIR)/target/linux/etrax-2.6/patches/generic_2.6
+	$(PATCH) $(PKG_BUILD_DIR) $(TOPDIR)/target/linux/etrax-2.6/patches/cris
+	ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/include/asm-cris/arch
+	ln -sf $(PKG_BUILD_DIR)/arch/cris/arch-v10 $(PKG_BUILD_DIR)/arch/cris/arch
 	$(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
 	ln -sf $(PKG_BUILD_DIR) $(LINUX_HEADERS_DIR)
 endef
 
+ifdef Build/Prepare/$(ARCH)
+define Build/Prepare
+	$(call Build/Prepare/$(ARCH))
+endef
+else
+define Build/Prepare
+	$(call Kernel/Prepare/Default)
+endef
+endif
+
 define Build/Configure/powerpc
 	$(CP) $(PKG_BUILD_DIR)/include/asm-ppc/* $(PKG_BUILD_DIR)/include/asm-powerpc/
 	rm -rf $(PKG_BUILD_DIR)/include/asm-ppc
diff --git a/toolchain/uClibc/config/cris b/toolchain/uClibc/config/cris
new file mode 100644
index 0000000000..32e2610203
--- /dev/null
+++ b/toolchain/uClibc/config/cris
@@ -0,0 +1,157 @@
+#
+# Automatically generated make config: don't edit
+#
+# TARGET_alpha is not set
+# TARGET_arm is not set
+# TARGET_bfin is not set
+TARGET_cris=y
+# TARGET_e1 is not set
+# TARGET_frv is not set
+# TARGET_h8300 is not set
+# TARGET_i386 is not set
+# TARGET_i960 is not set
+# TARGET_m68k is not set
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+# TARGET_nios is not set
+# TARGET_nios2 is not set
+# TARGET_powerpc is not set
+# TARGET_sh is not set
+# TARGET_sh64 is not set
+# TARGET_sparc is not set
+# TARGET_v850 is not set
+# TARGET_x86_64 is not set
+
+#
+# Target Architecture Features and Options
+#
+HAVE_ELF=y
+ARCH_SUPPORTS_LITTLE_ENDIAN=y
+TARGET_ARCH="cris"
+CONFIG_CRIS=y
+ARCH_LITTLE_ENDIAN=y
+# ARCH_BIG_ENDIAN is not set
+# ARCH_HAS_NO_MMU is not set
+ARCH_HAS_MMU=y
+UCLIBC_HAS_FLOATS=y
+# HAS_FPU is not set
+UCLIBC_HAS_SOFT_FLOAT=y
+# DO_C99_MATH is not set
+KERNEL_SOURCE="/raid/trunk/toolchain_build_cris/linux"
+C_SYMBOL_PREFIX=""
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+# HAVE_NO_PIC is not set
+DOPIC=y
+# HAVE_NO_SHARED is not set
+HAVE_SHARED=y
+# ARCH_HAS_NO_LDSO is not set
+BUILD_UCLIBC_LDSO=y
+# FORCE_SHAREABLE_TEXT_SEGMENTS is not set
+LDSO_LDD_SUPPORT=y
+LDSO_CACHE_SUPPORT=y
+# LDSO_PRELOAD_FILE_SUPPORT is not set
+LDSO_BASE_FILENAME="ld.so"
+# LDSO_RUNPATH is not set
+# DL_FINI_CRT_COMPAT is not set
+# UCLIBC_CTOR_DTOR is not set
+# HAS_NO_THREADS is not set
+UCLIBC_HAS_THREADS=y
+# PTHREADS_DEBUG_SUPPORT is not set
+UCLIBC_HAS_LFS=y
+# UCLIBC_STATIC_LDCONFIG is not set
+# MALLOC is not set
+# MALLOC_SIMPLE is not set
+MALLOC_STANDARD=y
+MALLOC_GLIBC_COMPAT=y
+UCLIBC_DYNAMIC_ATEXIT=y
+HAS_SHADOW=y
+# UNIX98PTY_ONLY is not set
+ASSUME_DEVPTS=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"
+
+#
+# Networking Support
+#
+UCLIBC_HAS_IPV6=y
+UCLIBC_HAS_RPC=y
+UCLIBC_HAS_FULL_RPC=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_SCANF_GLIBC_A_FLAG=y
+# UCLIBC_HAS_STDIO_BUFSIZ_NONE is not set
+# 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_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
+
+#
+# Big and Tall
+#
+UCLIBC_HAS_REGEX=y
+UCLIBC_HAS_WORDEXP=y
+UCLIBC_HAS_FTW=y
+UCLIBC_HAS_GLOB=y
+
+#
+# Library Installation Options
+#
+SHARED_LIB_LOADER_PREFIX="/lib"
+RUNTIME_PREFIX="/"
+DEVEL_PREFIX="/usr/"
+
+#
+# uClibc security related options
+#
+# UCLIBC_SECURITY is not set
+
+#
+# uClibc development/debugging options
+#
+CROSS_COMPILER_PREFIX=""
+# DODEBUG is not set
+# DODEBUG_PT is not set
+# DOASSERTS is not set
+# SUPPORT_LD_DEBUG is not set
+# SUPPORT_LD_DEBUG_EARLY is not set
+WARNINGS="-Wall"
+# UCLIBC_MJN3_ONLY is not set
diff --git a/toolchain/uClibc/patches/200-cris-syscall6.patch b/toolchain/uClibc/patches/200-cris-syscall6.patch
new file mode 100644
index 0000000000..8ecbab5c33
--- /dev/null
+++ b/toolchain/uClibc/patches/200-cris-syscall6.patch
@@ -0,0 +1,34 @@
+diff -urN uClibc-0.9.28.2.orig/libc/sysdeps/linux/cris/bits/syscalls.h uClibc-0.9.28.2/libc/sysdeps/linux/cris/bits/syscalls.h
+--- uClibc-0.9.28.2.orig/libc/sysdeps/linux/cris/bits/syscalls.h	2007-05-15 19:45:43.000000000 +0200
++++ uClibc-0.9.28.2/libc/sysdeps/linux/cris/bits/syscalls.h	2007-05-15 19:47:20.000000000 +0200
+@@ -62,6 +62,30 @@
+ return (type) (INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)); \
+ }
+ 
++#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
++	  type5,arg5,type6,arg6) \
++type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
++{ \
++  register long __a __asm__ ("r10") = (long) arg1; \
++  register long __b __asm__ ("r11") = (long) arg2; \
++  register long __c __asm__ ("r12") = (long) arg3; \
++  register long __d __asm__ ("r13") = (long) arg4; \
++  register long __n_ __asm__ ("r9") = (__NR_##name); \
++  __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
++			".err\n\t" \
++			".endif\n\t" \
++			"move %6,$mof\n\tmove %7,$srp\n\t" \
++			"break 13" \
++			: "=r" (__a) \
++			: "r" (__n_), "0" (__a), "r" (__b), \
++			  "r" (__c), "r" (__d), "g" (arg5), "g" (arg6)\
++			: "srp"); \
++  if (__a >= 0) \
++     return (type) __a; \
++   __set_errno ( -__a); \
++  return (type) -1; \
++}
++
+ #undef INLINE_SYSCALL
+ #define INLINE_SYSCALL(name, nr, args...)	\
+   ({						\
diff --git a/toolchain/uClibc/patches/230-cris-pagesize.patch b/toolchain/uClibc/patches/230-cris-pagesize.patch
new file mode 100644
index 0000000000..419617b44f
--- /dev/null
+++ b/toolchain/uClibc/patches/230-cris-pagesize.patch
@@ -0,0 +1,24 @@
+diff -urN uClibc-0.9.28.2.orig/ldso/include/dl-syscall.h uClibc-0.9.28.2/ldso/include/dl-syscall.h
+--- uClibc-0.9.28.2.orig/ldso/include/dl-syscall.h	2007-05-22 20:39:28.000000000 +0200
++++ uClibc-0.9.28.2/ldso/include/dl-syscall.h	2007-05-22 20:41:30.000000000 +0200
+@@ -155,8 +155,9 @@
+ static inline void * _dl_mmap(void * addr, unsigned long size, int prot,
+                               int flags, int fd, unsigned long offset)
+ {
+-	if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1))
++	if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1)){
+ 		return MAP_FAILED;
++	}
+ 	return __syscall_mmap2(addr, size, prot, flags,
+ 	                       fd, (off_t) (offset >> MMAP2_PAGE_SHIFT));
+ }
+diff -urN uClibc-0.9.28.2.orig/libc/sysdeps/linux/cris/bits/uClibc_page.h uClibc-0.9.28.2/libc/sysdeps/linux/cris/bits/uClibc_page.h
+--- uClibc-0.9.28.2.orig/libc/sysdeps/linux/cris/bits/uClibc_page.h	2007-05-22 20:39:28.000000000 +0200
++++ uClibc-0.9.28.2/libc/sysdeps/linux/cris/bits/uClibc_page.h	2007-05-22 20:42:25.000000000 +0200
+@@ -24,5 +24,5 @@
+ #define PAGE_SHIFT	13
+ #define PAGE_SIZE	(1UL << PAGE_SHIFT)
+ #define PAGE_MASK	(~(PAGE_SIZE-1))
+-
++#define MMAP2_PAGE_SHIFT PAGE_SHIFT
+ #endif /* _UCLIBC_PAGE_H */
diff --git a/toolchain/uClibc/patches/240-cris-crt0.patch b/toolchain/uClibc/patches/240-cris-crt0.patch
new file mode 100644
index 0000000000..d0fa7f3b75
--- /dev/null
+++ b/toolchain/uClibc/patches/240-cris-crt0.patch
@@ -0,0 +1,31 @@
+diff -urN uClibc-0.9.28.2.orig/libc/sysdeps/linux/cris/crt0.c uClibc-0.9.28.2/libc/sysdeps/linux/cris/crt0.c
+--- uClibc-0.9.28.2.orig/libc/sysdeps/linux/cris/crt0.c	2007-05-18 00:27:56.000000000 +0200
++++ uClibc-0.9.28.2/libc/sysdeps/linux/cris/crt0.c	2007-05-18 00:32:08.000000000 +0200
+@@ -31,11 +31,10 @@
+ 
+ #include <features.h>
+ 
+-extern void __uClibc_main(int argc, char **argv, char **envp)
+-         __attribute__ ((__noreturn__));
+-extern void __uClibc_start_main(int argc, char **argv, char **envp, 
+-	void (*app_init)(void), void (*app_fini)(void))
+-         __attribute__ ((__noreturn__));
++extern void __uClibc_main(int (*main)(int, char **, char **), int argc,
++		    char **argv, void (*app_init)(void), void (*app_fini)(void),
++		    void (*rtld_fini)(void), void *stack_end) __attribute__ ((__noreturn__)); 
++
+ extern void weak_function _init(void);
+ extern void weak_function _fini(void);
+ 
+@@ -64,10 +63,5 @@
+ 		 */
+ 		--environ;
+ 	
+-#if defined L_crt0 || ! defined __UCLIBC_CTOR_DTOR__
+-	/* Leave control to the libc */
+-	__uClibc_main(argc, argv, environ);
+-#else
+-	__uClibc_start_main(argc, argv, environ, _init, _fini);
+-#endif
++	__uClibc_main(__mainp, argc, argv, 0, 0, 0, 0);
+ }