add initial support for the crisarchitecture used on foxboards to openwrt

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7439 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 89 insertions, 0 deletions

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);
+ }