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Make sure only supported compiler options are used

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Import "cc-option" shell function from kernel and
use it to get the correct ARM GCC options for individual CPUs
Patch by Peter Pearse, 30 Jun 2005
This commit is contained in:
Wolfgang Denk 2005-10-04 22:38:24 +02:00
parent 9a8d82fd3c
commit 1820d4c73b
12 changed files with 111 additions and 19 deletions
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5
CHANGELOG
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@ -2,6 +2,11 @@
Changes for U-Boot 1.1.4: Changes for U-Boot 1.1.4:
====================================================================== ======================================================================
* Make sure only supported compiler options are used
Import "cc-option" shell function from kernel and
use it to get the correct ARM GCC options for individual CPUs
Patch by Peter Pearse, 30 Jun 2005
* Fix 440GR to print correct cpu revision * Fix 440GR to print correct cpu revision
Patch by Stefan Roese, 4 Oct 2005 Patch by Stefan Roese, 4 Oct 2005

6
config.mk
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@ -86,6 +86,12 @@ HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
HOSTSTRIP = strip HOSTSTRIP = strip
######################################################################### #########################################################################
#
# Option checker (courtesy linux kernel) to ensure
# only supported compiler options are used
#
cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
# #
# Include the make variables (CC, etc...) # Include the make variables (CC, etc...)

11
cpu/arm1136/config.mk
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@ -21,6 +21,15 @@
# MA 02111-1307 USA # MA 02111-1307 USA
# #
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-msoft-float
# Make ARMv5 to allow more compilers to work, even though its v6. # Make ARMv5 to allow more compilers to work, even though its v6.
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv5 PLATFORM_CPPFLAGS += -march=armv5
# =========================================================================
#
# 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,))

12
cpu/arm720t/config.mk
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@ -23,6 +23,14 @@
# #
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float -msoft-float
PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi
# =========================================================================
#
# 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,))
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=arm7tdmi

12
cpu/arm920t/config.mk
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@ -22,6 +22,14 @@
# #
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float -msoft-float
PLATFORM_CPPFLAGS += -march=armv4
# =========================================================================
#
# 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,))
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4

12
cpu/arm925t/config.mk
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@ -22,6 +22,14 @@
# #
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float -msoft-float
PLATFORM_CPPFLAGS += -march=armv4
# =========================================================================
#
# 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,))
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4

12
cpu/arm926ejs/config.mk
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@ -22,6 +22,14 @@
# #
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float -msoft-float
PLATFORM_CPPFLAGS += -march=armv4
# =========================================================================
#
# 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,))
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4

12
cpu/ixp/config.mk
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@ -25,6 +25,14 @@
BIG_ENDIAN = y BIG_ENDIAN = y
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float -mbig-endian -msoft-float -mbig-endian
PLATFORM_CPPFLAGS += -mbig-endian -march=armv4 -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,))
PLATFORM_CPPFLAGS += -mbig-endian -mapcs-32 -march=armv4 -mtune=strongarm1100

12
cpu/lh7a40x/config.mk
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@ -22,6 +22,14 @@
# #
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float -msoft-float
PLATFORM_CPPFLAGS += -march=armv4
# =========================================================================
#
# 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,))
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4

12
cpu/pxa/config.mk
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@ -23,7 +23,15 @@
# #
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float -msoft-float
#PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100 #PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv5 -mtune=xscale PLATFORM_CPPFLAGS += -march=armv5 -mtune=xscale
# =========================================================================
#
# 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,))

12
cpu/s3c44b0/config.mk
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@ -23,6 +23,14 @@
# #
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float -msoft-float
PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi -msoft-float
# =========================================================================
#
# Supply options according to compiler version
#
# ========================================================================
PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=arm7tdmi -msoft-float

12
cpu/sa1100/config.mk
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@ -23,6 +23,14 @@
# #
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float -msoft-float
PLATFORM_CPPFLAGS += -march=armv4 -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,))
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100