kbuild: enable 'make AFLAGS=...' to add additional options to AS

[powerpc.git] / arch / mips / Makefile

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 2bd0a86..6b663be 100644 (file)
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -60,11 +60,6 @@ vmlinux-32           = vmlinux.32
 vmlinux-64             = vmlinux
 
 cflags-y               += -mabi=64
-ifdef CONFIG_BUILD_ELF64
-cflags-y               += $(call cc-option,-mno-explicit-relocs)
-else
-cflags-y               += $(call cc-option,-msym32)
-endif
 endif
 
 all-$(CONFIG_BOOT_ELF32)       := $(vmlinux-32)
@@ -153,7 +148,8 @@ endif
 #
 # Firmware support
 #
-libs-$(CONFIG_ARC)             += arch/mips/arc/
+libs-$(CONFIG_ARC)             += arch/mips/fw/arc/
+libs-$(CONFIG_CFE)             += arch/mips/fw/cfe/
 libs-$(CONFIG_SIBYTE_CFE)      += arch/mips/sibyte/cfe/
 
 #
@@ -367,15 +363,11 @@ cflags-$(CONFIG_BASLER_EXCITE)    += -Iinclude/asm-mips/mach-excite
 load-$(CONFIG_BASLER_EXCITE)   += 0x80100000
 
 #
-# NEC DDB
-#
-core-$(CONFIG_DDB5XXX_COMMON)  += arch/mips/ddb5xxx/common/
-
-#
-# NEC DDB Vrc-5477
+# LASAT platforms
 #
-core-$(CONFIG_DDB5477)         += arch/mips/ddb5xxx/ddb5477/
-load-$(CONFIG_DDB5477)         += 0xffffffff80100000
+core-$(CONFIG_LASAT)           += arch/mips/lasat/
+cflags-$(CONFIG_LASAT)         += -Iinclude/asm-mips/mach-lasat
+load-$(CONFIG_LASAT)           += 0xffffffff80000000
 
 #
 # Common VR41xx
@@ -543,6 +535,13 @@ load-$(CONFIG_SIBYTE_SWARM)        := 0xffffffff80100000
 libs-$(CONFIG_SIBYTE_BIGSUR)   += arch/mips/sibyte/swarm/
 load-$(CONFIG_SIBYTE_BIGSUR)   := 0xffffffff80100000
 
+#
+# Broadcom BCM47XX boards
+#
+core-$(CONFIG_BCM47XX)         += arch/mips/bcm47xx/
+cflags-$(CONFIG_BCM47XX)       += -Iinclude/asm-mips/mach-bcm47xx
+load-$(CONFIG_BCM47XX)         := 0xffffffff80001000
+
 #
 # SNI RM
 #
@@ -589,14 +588,34 @@ else
 JIFFIES                        = jiffies_64
 endif
 
-AFLAGS         += $(cflags-y)
-CFLAGS         += $(cflags-y) \
+#
+# Automatically detect the build format. By default we choose
+# the elf format according to the load address.
+# We can always force a build with a 64-bits symbol format by
+# passing 'KBUILD_SYM32=no' option to the make's command line.
+#
+ifdef CONFIG_64BIT
+  ifndef KBUILD_SYM32
+    ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
+      KBUILD_SYM32 = y
+    endif
+  endif
+
+  ifeq ($(KBUILD_SYM32), y)
+    ifeq ($(call cc-option-yn,-msym32), y)
+      cflags-y += -msym32 -DKBUILD_64BIT_SYM32
+    endif
+  endif
+endif
+
+KBUILD_AFLAGS  += $(cflags-y)
+KBUILD_CFLAGS  += $(cflags-y) \
                        -D"VMLINUX_LOAD_ADDRESS=$(load-y)"
 
 LDFLAGS                        += -m $(ld-emul)
 
 ifdef CONFIG_MIPS
-CHECKFLAGS += $(shell $(CC) $(CFLAGS) -dM -E -xc /dev/null | \
+CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
        egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
        sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
 ifdef CONFIG_64BIT
@@ -613,7 +632,7 @@ OBJCOPYFLAGS                += --remove-section=.reginfo
 #
 
 CPPFLAGS_vmlinux.lds := \
-       $(CFLAGS) \
+       $(KBUILD_CFLAGS) \
        -D"LOADADDR=$(load-y)" \
        -D"JIFFIES=$(JIFFIES)" \
        -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"
@@ -626,6 +645,11 @@ core-y                     += arch/mips/kernel/ arch/mips/mm/ arch/mips/math-emu/
 
 drivers-$(CONFIG_OPROFILE)     += arch/mips/oprofile/
 
+ifdef CONFIG_LASAT
+rom.bin rom.sw: vmlinux
+       $(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
+endif
+
 #
 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
@@ -669,6 +693,7 @@ endif
 
 archclean:
        @$(MAKE) $(clean)=arch/mips/boot
+       @$(MAKE) $(clean)=arch/mips/lasat
 
 define archhelp
        echo '  vmlinux.ecoff        - ECOFF boot image'