Commit 61aa805b authored by Paul Mundt's avatar Paul Mundt
Browse files

Add support for ARM EABI.

parent b1a66dd6
Loading
Loading
Loading
Loading
+11 −0
Original line number Diff line number Diff line
@@ -88,6 +88,16 @@ config BR2_ARM_TYPE
	default ARM_XSCALE	if BR2_xscale
	default GENERIC_ARM	if BR2_generic_arm

choice
	prompt "Target ABI"
	depends BR2_arm || BR2_armeb
	default BR2_ARM_OABI
config BR2_ARM_OABI
	bool "OABI"
config BR2_ARM_EABI
	bool "EABI"
endchoice

choice
	prompt "Target Architecture Variant"
	depends BR2_sh
@@ -238,6 +248,7 @@ config BR2_GNU_BUILD_SUFFIX

config BR2_GNU_TARGET_SUFFIX
	string "GNU target suffix"
	default "linux-uclibcgnueabi" if BR2_ARM_EABI
	default "linux-uclibc"
	help
	    The string used to pass to configure scripts via the
+24 −0
Original line number Diff line number Diff line
diff -urN binutils-2.16.91.0.7.orig/configure binutils-2.16.91.0.7/configure
--- binutils-2.16.91.0.7.orig/configure	2006-05-31 14:54:24.000000000 +0300
+++ binutils-2.16.91.0.7/configure	2006-05-31 14:55:53.000000000 +0300
@@ -1299,7 +1299,7 @@
   arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
     ;;
-  arm*-*-linux-gnueabi)
+  arm*-*-linux-gnueabi | arm*-*-linux-uclibcgnueabi)
     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
     noconfigdirs="$noconfigdirs target-libjava target-libobjc"
     ;;
diff -urN binutils-2.16.91.0.7.orig/configure.in binutils-2.16.91.0.7/configure.in
--- binutils-2.16.91.0.7.orig/configure.in	2006-05-31 14:54:24.000000000 +0300
+++ binutils-2.16.91.0.7/configure.in	2006-05-31 14:55:53.000000000 +0300
@@ -497,7 +497,7 @@
   arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
     ;;
-  arm*-*-linux-gnueabi)
+  arm*-*-linux-gnueabi | arm*-*-linux-uclibcgnueabi)
     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
     noconfigdirs="$noconfigdirs target-libjava target-libobjc"
     ;;
+27 −0
Original line number Diff line number Diff line
--- gcc-2005q3-1.orig/gcc/config.gcc	2005-10-31 19:02:54.000000000 +0300
+++ gcc-2005q3-1/gcc/config.gcc	2006-01-27 01:09:09.000000000 +0300
@@ -674,7 +674,7 @@
 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h" 
 	tmake_file="t-slibgcc-elf-ver t-linux arm/t-arm"
 	case ${target} in
-	arm*-*-linux-gnueabi)
+	arm*-*-linux-gnueabi | arm*-*-linux-uclibcgnueabi)
 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
 	    tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"
   	    # The BPABI long long divmod functions return a 128-bit value in 

diff -urN gcc-2005q3-2/gcc/config/arm/linux-eabi.h gcc-2005q3-2.new/gcc/config/arm/linux-eabi.h
--- gcc-2005q3-2/gcc/config/arm/linux-eabi.h	2005-12-07 23:14:16.000000000 +0300
+++ gcc-2005q3-2.new/gcc/config/arm/linux-eabi.h	2006-03-29 19:02:34.000000000 +0400
@@ -53,7 +53,11 @@
 /* Use ld-linux.so.3 so that it will be possible to run "classic"
    GNU/Linux binaries on an EABI system.  */
 #undef LINUX_TARGET_INTERPRETER
+#ifdef USE_UCLIBC
+#define LINUX_TARGET_INTERPRETER "/lib/ld-uClibc.so.0"
+#else
 #define LINUX_TARGET_INTERPRETER "/lib/ld-linux.so.3"
+#endif
 
 /* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to
    use the GNU/Linux version, not the generic BPABI version.  */
+166 −0
Original line number Diff line number Diff line
--- linux-libc-headers-2.6.12.0/include/asm-arm/unistd.h	2005-07-06 03:17:41.000000000 +0300
+++ linux-libc-headers-2.6.12.0-arm-eabi/include/asm-arm/unistd.h	2006-06-05 17:14:09.000000000 +0300
@@ -15,10 +15,12 @@
 
 #include <linux/linkage.h>
 
-#if defined(__thumb__)
+#define __NR_OABI_SYSCALL_BASE	0x900000
+
+#if defined(__thumb__) || defined(__ARM_EABI__)
 #define __NR_SYSCALL_BASE	0
 #else
-#define __NR_SYSCALL_BASE	0x900000
+#define __NR_SYSCALL_BASE	__NR_OABI_SYSCALL_BASE
 #endif
 
 /*
@@ -365,13 +375,13 @@
 #define __sys1(x) __sys2(x)
 
 #ifndef __syscall
-#if defined(__thumb__)
-#define __syscall(name)					\
-	"push	{r7}\n\t"				\
-	"mov	r7, #" __sys1(__NR_##name) "\n\t"	\
-	"swi	0\n\t"					\
-	"pop	{r7}"
+#if defined(__thumb__) || defined(__ARM_EABI__)
+#define __SYS_REG(name) register long __sysreg __asm__("r7") = __NR_##name;
+#define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs
+#define __syscall(name) "swi\t0"
 #else
+#define __SYS_REG(name)
+#define __SYS_REG_LIST(regs...) regs
 #define __syscall(name) "swi\t" __sys1(__NR_##name) ""
 #endif
 #endif
@@ -387,33 +397,34 @@
 
 #define _syscall0(type,name)						\
 type name(void) {							\
+  __SYS_REG(name)							\
   register long __res_r0 __asm__("r0");					\
   long __res;								\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	:								\
-	: "lr");							\
+	: __SYS_REG_LIST() );						\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
 
 #define _syscall1(type,name,type1,arg1) 				\
 type name(type1 arg1) { 						\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __res_r0 __asm__("r0");					\
   long __res;								\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0)							\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0) ) );				\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
 
 #define _syscall2(type,name,type1,arg1,type2,arg2)			\
 type name(type1 arg1,type2 arg2) {					\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __res_r0 __asm__("r0");					\
@@ -421,8 +432,7 @@
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1) 					\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1) ) );			\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -430,6 +440,7 @@
 
 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)		\
 type name(type1 arg1,type2 arg2,type3 arg3) {				\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __r2 __asm__("r2") = (long)arg3;			\
@@ -438,8 +449,7 @@
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1),"r" (__r2)				\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) ) );	\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -447,6 +457,7 @@
 
 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\
 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {		\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __r2 __asm__("r2") = (long)arg3;			\
@@ -456,8 +467,7 @@
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3)			\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) ); \
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -465,6 +475,7 @@
 
 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5)	\
 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {	\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __r2 __asm__("r2") = (long)arg3;			\
@@ -475,14 +486,15 @@
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3),"r" (__r4)	\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),		\
+			  "r" (__r3), "r" (__r4) ) );			\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
 
 #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) {	\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __r2 __asm__("r2") = (long)arg3;			\
@@ -494,14 +506,15 @@
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3), "r" (__r4),"r" (__r5)		\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),		\
+			  "r" (__r3), "r" (__r4), "r" (__r5) ) );	\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
 
 #ifdef __KERNEL_SYSCALLS__
 
+#include <linux/compiler.h>
 #include <linux/types.h>
 #include <linux/syscalls.h>
 
+1 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ DO_C99_MATH=y
WARNINGS="-Wall"
KERNEL_SOURCE="/usr/src/linux"
HAVE_DOT_CONFIG=y
# CONFIG_ARM_EABI is not set
# CONFIG_GENERIC_ARM is not set
# CONFIG_ARM610 is not set
# CONFIG_ARM710 is not set
Loading