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powerpc/32: Generate miboot images with ARCH=powerpc

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Miboot images are apparently still used on some old 32-bit powermacs,
so build them with ARCH=powerpc if we're 32-bit and powermac support
is enabled.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2006-01-15 13:00:08 +11:00
parent 7c7dce9209
commit 9216ad8cb7
2 changed files with 27 additions and 6 deletions
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29
arch/powerpc/boot/Makefile
View File

@ -27,6 +27,7 @@ BOOTCFLAGS := $(HOSTCFLAGS) -fno-builtin -nostdinc -isystem \
BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
OBJCOPYFLAGS := contents,alloc,load,readonly,data
OBJCOPY_COFF_ARGS := -O aixcoff-rs6000 --set-start 0x500000
OBJCOPY_MIB_ARGS := -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment
zlib := infblock.c infcodes.c inffast.c inflate.c inftrees.c infutil.c
zlibheader := infblock.h infcodes.h inffast.h inftrees.h infutil.h
@ -90,11 +91,11 @@ gz-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.gz, $(section)))
hostprogs-y := addnote addRamDisk hack-coff
targets += zImage.vmode zImage.initrd.vmode zImage zImage.initrd \
zImage.coff zImage.initrd.coff \
zImage.coff zImage.initrd.coff miboot.image miboot.initrd.image \
$(patsubst $(obj)/%,%, $(call obj-sec, $(required) $(initrd))) \
$(patsubst $(obj)/%,%, $(call src-sec, $(required) $(initrd))) \
$(patsubst $(obj)/%,%, $(call gz-sec, $(required) $(initrd))) \
vmlinux.initrd
vmlinux.initrd dummy.o
extra-y := initrd.o
quiet_cmd_ramdisk = RAMDISK $@
@ -116,6 +117,10 @@ quiet_cmd_addsection = ADDSEC $@
quiet_cmd_addnote = ADDNOTE $@
cmd_addnote = $(obj)/addnote $@
quiet_cmd_gen-miboot = GEN $@
cmd_gen-miboot = $(OBJCOPY) $(OBJCOPY_MIB_ARGS) \
--add-section=$1=$(word 2, $^) $< $@
quiet_cmd_gencoff = COFF $@
cmd_gencoff = $(OBJCOPY) $(OBJCOPY_COFF_ARGS) $@ && \
$(obj)/hack-coff $@
@ -141,19 +146,25 @@ $(obj)/zImage.initrd.vmode $(obj)/zImage.initrd.coff: obj-boot += $(call obj-sec
$(obj)/zImage.initrd.vmode: $(call obj-sec, $(required) $(initrd)) $(obj-boot) $(srctree)/$(src)/zImage.lds
$(call cmd,bootld,$(obj-boot),zImage.lds)
# For 32-bit powermacs, build the COFF images as well as the ELF images.
# For 32-bit powermacs, build the COFF and miboot images
# as well as the ELF images.
coffimage-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/zImage.coff
coffrdimg-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/zImage.initrd.coff
mibootimg-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/miboot.image
mibrdimg-$(CONFIG_PPC_PMAC)-$(CONFIG_PPC32) := $(obj)/miboot.initrd.image
$(obj)/zImage: $(obj)/zImage.vmode $(obj)/addnote $(coffimage-y-y)
$(obj)/zImage: $(obj)/zImage.vmode $(obj)/addnote $(coffimage-y-y) \
$(mibootimg-y-y)
@cp -f $< $@
$(call if_changed,addnote)
$(obj)/zImage.initrd: $(obj)/zImage.initrd.vmode $(obj)/addnote $(coffrdimg-y-y)
$(obj)/zImage.initrd: $(obj)/zImage.initrd.vmode $(obj)/addnote \
$(coffrdimg-y-y) $(mibrdimg-y-y)
@cp -f $< $@
$(call if_changed,addnote)
$(obj)/zImage.coff: $(call obj-sec, $(required)) $(obj-boot) $(srctree)/$(src)/zImage.coff.lds $(obj)/hack-coff
$(obj)/zImage.coff: $(call obj-sec, $(required)) $(obj-boot) \
$(srctree)/$(src)/zImage.coff.lds $(obj)/hack-coff
$(call cmd,bootld,$(obj-boot),zImage.coff.lds)
$(call cmd,gencoff)
@ -162,6 +173,12 @@ $(obj)/zImage.initrd.coff: $(call obj-sec, $(required) $(initrd)) $(obj-boot) \
$(call cmd,bootld,$(obj-boot),zImage.coff.lds)
$(call cmd,gencoff)
$(obj)/miboot.image: $(obj)/dummy.o $(obj)/vmlinux.gz
$(call cmd,gen-miboot,image)
$(obj)/miboot.initrd.image: $(obj)/miboot.image $(images)/ramdisk.image.gz
$(call cmd,gen-miboot,initrd)
#-----------------------------------------------------------
# build u-boot images
#-----------------------------------------------------------

4
arch/powerpc/boot/dummy.c Normal file
View File

@ -0,0 +1,4 @@
int main(void)
{
return 0;
}