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-rw-r--r--config.mk2
-rw-r--r--cpu/arm1136/config.mk2
-rw-r--r--cpu/arm1176/config.mk2
-rw-r--r--cpu/arm1176/s3c64xx/config.mk1
-rw-r--r--cpu/arm720t/config.mk2
-rw-r--r--cpu/arm920t/config.mk2
-rw-r--r--cpu/arm925t/config.mk2
-rw-r--r--cpu/arm926ejs/config.mk2
-rw-r--r--cpu/arm926ejs/davinci/config.mk2
-rw-r--r--cpu/arm946es/config.mk2
-rw-r--r--cpu/arm_cortexa8/config.mk1
-rw-r--r--cpu/arm_cortexa8/omap3/board.c7
-rw-r--r--cpu/arm_intcm/config.mk2
-rw-r--r--cpu/ixp/config.mk1
-rw-r--r--cpu/lh7a40x/config.mk2
-rw-r--r--cpu/pxa/config.mk2
-rw-r--r--cpu/s3c44b0/config.mk2
-rw-r--r--cpu/sa1100/config.mk2
-rw-r--r--lib_arm/Makefile15
-rw-r--r--lib_arm/config.mk28
-rw-r--r--lib_arm/eabi_compat.c18
21 files changed, 59 insertions, 40 deletions
diff --git a/config.mk b/config.mk
index fd56621..0c6d1d1 100644
--- a/config.mk
+++ b/config.mk
@@ -86,7 +86,7 @@ ifdef ARCH
sinclude $(TOPDIR)/lib_$(ARCH)/config.mk # include architecture dependend rules
endif
ifdef CPU
-sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
+sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
endif
ifdef SOC
sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules
diff --git a/cpu/arm1136/config.mk b/cpu/arm1136/config.mk
index 295e8a5..61d5a38 100644
--- a/cpu/arm1136/config.mk
+++ b/cpu/arm1136/config.mk
@@ -30,6 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv5
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm1176/config.mk b/cpu/arm1176/config.mk
index d2f057b..a31c7b0 100644
--- a/cpu/arm1176/config.mk
+++ b/cpu/arm1176/config.mk
@@ -30,6 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv5t
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm1176/s3c64xx/config.mk b/cpu/arm1176/s3c64xx/config.mk
index 4f3b66c..a31c7b0 100644
--- a/cpu/arm1176/s3c64xx/config.mk
+++ b/cpu/arm1176/s3c64xx/config.mk
@@ -30,5 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv5t
# Supply options according to compiler version
#
# =========================================================================
-#PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm720t/config.mk b/cpu/arm720t/config.mk
index 3cae1dc..74d5283 100644
--- a/cpu/arm720t/config.mk
+++ b/cpu/arm720t/config.mk
@@ -31,6 +31,4 @@ PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm920t/config.mk b/cpu/arm920t/config.mk
index 5d8a10f..a43b156 100644
--- a/cpu/arm920t/config.mk
+++ b/cpu/arm920t/config.mk
@@ -30,6 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv4
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm925t/config.mk b/cpu/arm925t/config.mk
index 5d8a10f..a43b156 100644
--- a/cpu/arm925t/config.mk
+++ b/cpu/arm925t/config.mk
@@ -30,6 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv4
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm926ejs/config.mk b/cpu/arm926ejs/config.mk
index 885d5c1..90eb3c0 100644
--- a/cpu/arm926ejs/config.mk
+++ b/cpu/arm926ejs/config.mk
@@ -30,6 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv5te
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm926ejs/davinci/config.mk b/cpu/arm926ejs/davinci/config.mk
index a57d03a..7757be3 100644
--- a/cpu/arm926ejs/davinci/config.mk
+++ b/cpu/arm926ejs/davinci/config.mk
@@ -30,6 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv5te
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm946es/config.mk b/cpu/arm946es/config.mk
index 9d62ba8..a81321b 100644
--- a/cpu/arm946es/config.mk
+++ b/cpu/arm946es/config.mk
@@ -30,6 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv4
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm_cortexa8/config.mk b/cpu/arm_cortexa8/config.mk
index 3bfe3db..da5ee16 100644
--- a/cpu/arm_cortexa8/config.mk
+++ b/cpu/arm_cortexa8/config.mk
@@ -30,6 +30,5 @@ PLATFORM_CPPFLAGS += -march=armv5
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\
$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm_cortexa8/omap3/board.c b/cpu/arm_cortexa8/omap3/board.c
index 2337287..b8bd052 100644
--- a/cpu/arm_cortexa8/omap3/board.c
+++ b/cpu/arm_cortexa8/omap3/board.c
@@ -300,13 +300,6 @@ int dram_init(void)
/******************************************************************************
* Dummy function to handle errors for EABI incompatibility
*****************************************************************************/
-void raise(void)
-{
-}
-
-/******************************************************************************
- * Dummy function to handle errors for EABI incompatibility
- *****************************************************************************/
void abort(void)
{
}
diff --git a/cpu/arm_intcm/config.mk b/cpu/arm_intcm/config.mk
index 9d62ba8..a81321b 100644
--- a/cpu/arm_intcm/config.mk
+++ b/cpu/arm_intcm/config.mk
@@ -30,6 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv4
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/ixp/config.mk b/cpu/ixp/config.mk
index a71a20b..2c33b40 100644
--- a/cpu/ixp/config.mk
+++ b/cpu/ixp/config.mk
@@ -33,5 +33,4 @@ PLATFORM_CPPFLAGS += -mbig-endian -march=armv5te -mtune=strongarm1100
# Supply options according to compiler version
#
# =========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/lh7a40x/config.mk b/cpu/lh7a40x/config.mk
index c0e7a1d..27bc481 100644
--- a/cpu/lh7a40x/config.mk
+++ b/cpu/lh7a40x/config.mk
@@ -30,6 +30,4 @@ PLATFORM_CPPFLAGS += -march=armv4
# Supply options according to compiler version
#
# ========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/pxa/config.mk b/cpu/pxa/config.mk
index af910e2..f360478 100644
--- a/cpu/pxa/config.mk
+++ b/cpu/pxa/config.mk
@@ -31,6 +31,4 @@ PLATFORM_CPPFLAGS += -march=armv5te -mtune=xscale
# Supply options according to compiler version
#
# ========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/s3c44b0/config.mk b/cpu/s3c44b0/config.mk
index 01e7040..3623f25 100644
--- a/cpu/s3c44b0/config.mk
+++ b/cpu/s3c44b0/config.mk
@@ -31,6 +31,4 @@ PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi -msoft-float
# Supply options according to compiler version
#
# ========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/sa1100/config.mk b/cpu/sa1100/config.mk
index 9ef4a19..553cd0c 100644
--- a/cpu/sa1100/config.mk
+++ b/cpu/sa1100/config.mk
@@ -31,6 +31,4 @@ PLATFORM_CPPFLAGS += -march=armv4 -mtune=strongarm1100
# Supply options according to compiler version
#
# ========================================================================
-PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
-PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/lib_arm/Makefile b/lib_arm/Makefile
index c37e2e0..0293348 100644
--- a/lib_arm/Makefile
+++ b/lib_arm/Makefile
@@ -51,12 +51,21 @@ OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
LGOBJS := $(addprefix $(obj),$(GLSOBJS)) \
$(addprefix $(obj),$(GLCOBJS))
+# Always build libarm.a
+TARGETS := $(LIB)
+
+# Build private libgcc only when asked for
ifdef USE_PRIVATE_LIBGCC
-all: $(LIB) $(LIBGCC)
-else
-all: $(LIB)
+TARGETS += $(LIBGCC)
+endif
+
+# For EABI conformant tool chains, provide eabi_compat()
+ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
+TARGETS += $(obj)eabi_compat.o
endif
+all: $(TARGETS)
+
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
diff --git a/lib_arm/config.mk b/lib_arm/config.mk
index a13603e..705dfc3 100644
--- a/lib_arm/config.mk
+++ b/lib_arm/config.mk
@@ -25,4 +25,32 @@ CROSS_COMPILE ?= arm-linux-
PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
+# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
+PLATFORM_CPPFLAGS += $(call cc-option,-marm,)
+
+# Try if EABI is supported, else fall back to old API,
+# i. e. for example:
+# - with ELDK 4.2 (EABI supported), use:
+# -mabi=aapcs-linux -mno-thumb-interwork
+# - with ELDK 4.1 (gcc 4.x, no EABI), use:
+# -mabi=apcs-gnu -mno-thumb-interwork
+# - with ELDK 3.1 (gcc 3.x), use:
+# -mapcs-32 -mno-thumb-interwork
+PLATFORM_CPPFLAGS += $(call cc-option,\
+ -mabi=aapcs-linux -mno-thumb-interwork,\
+ $(call cc-option,\
+ -mapcs-32,\
+ $(call cc-option,\
+ -mabi=apcs-gnu,\
+ )\
+ ) $(call cc-option,-mno-thumb-interwork,)\
+ )
+
+# For EABI, make sure to provide raise()
+ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
+# This file is parsed several times; make sure to add only once.
+ifeq (,$(findstring lib_arm/eabi_compat.o,$(PLATFORM_LIBS)))
+PLATFORM_LIBS += $(OBJTREE)/lib_arm/eabi_compat.o
+endif
+endif
LDSCRIPT := $(SRCTREE)/cpu/$(CPU)/u-boot.lds
diff --git a/lib_arm/eabi_compat.c b/lib_arm/eabi_compat.c
new file mode 100644
index 0000000..86eacf1
--- /dev/null
+++ b/lib_arm/eabi_compat.c
@@ -0,0 +1,18 @@
+/*
+ * Utility functions needed for (some) EABI conformant tool chains.
+ *
+ * (C) Copyright 2009 Wolfgang Denk <wd@denx.de>
+ *
+ * This program is Free Software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ */
+
+#include <common.h>
+
+int raise (int signum)
+{
+ printf("raise: Signal # %d caught\n", signum);
+ return 0;
+}
generated by cgit v1.1 at 2024-11-22 02:22:52 +0000