From 8a435729e19c176147b3a2223f17ebb34417e10a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dan=20Hor=C3=A1k?= <dan@danny.cz>
Date: Fri, 6 Apr 2012 11:07:52 +0200
Subject: [PATCH] proof of concept with sh4-linux-gnu toolchain

---
 carlfw/include/config.h  |    3 +++
 carlfw/include/printf.h  |    1 -
 extra/sh-elf-linux.cmake |   16 ++++++++--------
 include/linux/types.h    |    5 ++---
 4 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/carlfw/include/config.h b/carlfw/include/config.h
index e7c358d..14a1faf 100644
--- a/carlfw/include/config.h
+++ b/carlfw/include/config.h
@@ -61,4 +61,7 @@ static inline void __config_check(void)
 	BUILD_BUG_ON(CARL9170_INTF_NUM >= AR9170_MAX_VIRTUAL_MAC);
 }
 
+extern void *memset (void *__s, int __c, size_t __n);
+extern void *memcpy (void *__dest, __const void *__src, size_t __n);
+
 #endif /* __CARL9170FW_CONFIG_H */
diff --git a/carlfw/include/printf.h b/carlfw/include/printf.h
index dd4559e..c0912d2 100644
--- a/carlfw/include/printf.h
+++ b/carlfw/include/printf.h
@@ -27,7 +27,6 @@
 #define __CARL9170FW_PRINTF_H
 
 #include <stdarg.h>
-#include <string.h>
 #include "config.h"
 #include "carl9170.h"
 #include "uart.h"
diff --git a/extra/sh-elf-linux.cmake b/extra/sh-elf-linux.cmake
index 8be6d36..9691890 100644
--- a/extra/sh-elf-linux.cmake
+++ b/extra/sh-elf-linux.cmake
@@ -5,16 +5,16 @@ set_property(DIRECTORY PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
 
 set(CMAKE_FIND_ROOT_PATH ${CMAKE_SOURCE_DIR}/toolchain/inst/)
 
-set(CMAKE_C_FLAGS "-m2 -ml -Os -ffreestanding -nostartfiles")
+set(CMAKE_C_FLAGS "-ml -Os -ffreestanding -fleading-underscore -nostartfiles")
 set(CMAKE_C_LINK_FLAGS "-static -EL -x --gc-sections")
 
-set(OBJCOPY ${CMAKE_SOURCE_DIR}/toolchain/inst/bin/sh-elf-objcopy)
-set(CMAKE_C_COMPILER "${CMAKE_SOURCE_DIR}/toolchain/inst/bin/sh-elf-gcc")
-set(CMAKE_AR ${CMAKE_SOURCE_DIR}/toolchain/inst/bin/sh-elf-ar)
-set(CMAKE_ASM_COMPILER ${CMAKE_SOURCE_DIR}/toolchain/inst/bin/sh-elf-as)
-set(CMAKE_ASM-ATT_COMPILER ${CMAKE_SOURCE_DIR}/toolchain/inst/bin/sh-elf-as)
-set(CMAKE_LINKER ${CMAKE_SOURCE_DIR}/toolchain/inst/bin/sh-elf-ld)
-set(CMAKE_C_LINK_EXECUTABLE "${CMAKE_SOURCE_DIR}/toolchain/inst/bin/sh-elf-ld <OBJECTS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> -o <TARGET>")
+set(OBJCOPY sh4-linux-gnu-objcopy)
+set(CMAKE_C_COMPILER sh4-linux-gnu-gcc)
+set(CMAKE_AR sh4-linux-gnu-ar)
+set(CMAKE_ASM_COMPILER sh4-linux-gnu-as)
+set(CMAKE_ASM-ATT_COMPILER sh4-linux-gnu-as)
+set(CMAKE_LINKER sh4-linux-gnu-ld)
+set(CMAKE_C_LINK_EXECUTABLE "sh4-linux-gnu-ld <OBJECTS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> -o <TARGET>")
 
 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
diff --git a/include/linux/types.h b/include/linux/types.h
index 3f45f0f..5f13ec2 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -19,11 +19,10 @@
 
 #include <stdint.h>
 #include <stdbool.h>
-#include <stdlib.h>
-#include <sys/param.h>
+#include <stddef.h>
 
 #if BYTE_ORDER == BIG_ENDIAN
-#error	"big endian is not supported by target"
+//#error	"big endian is not supported by target"
 #endif
 
 typedef uint16_t	__le16;
-- 
1.7.7.6