diff options
Diffstat (limited to 'arch/powerpc/boot')
| -rw-r--r-- | arch/powerpc/boot/Makefile | 30 | ||||
| -rw-r--r-- | arch/powerpc/boot/ps3-head.S | 5 | ||||
| -rw-r--r-- | arch/powerpc/boot/ps3.c | 8 | ||||
| -rwxr-xr-x | arch/powerpc/boot/wrapper | 24 |
4 files changed, 37 insertions, 30 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index eae2dc8bc218..1d41d5a9d05e 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -171,10 +171,6 @@ $(addprefix $(obj)/,$(libfdt) $(libfdtheader)): $(obj)/%: $(srctree)/scripts/dtc $(obj)/empty.c: $(Q)touch $@ -$(obj)/zImage.lds: $(obj)/%: $(srctree)/$(src)/%.S - $(CROSS32CC) $(cpp_flags) -E -Wp,-MD,$(depfile) -P -Upowerpc \ - -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $< - $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds : $(obj)/%: $(srctree)/$(src)/%.S $(Q)cp $< $@ @@ -356,17 +352,17 @@ $(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz # Don't put the ramdisk on the pattern rule; when its missing make will try # the pattern rule with less dependencies that also matches (even with the # hard dependency listed). -$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) +$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) FORCE $(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz) -$(addprefix $(obj)/, $(sort $(filter zImage.%, $(image-y)))): vmlinux $(wrapperbits) +$(addprefix $(obj)/, $(sort $(filter zImage.%, $(image-y)))): vmlinux $(wrapperbits) FORCE $(call if_changed,wrap,$(subst $(obj)/zImage.,,$@)) # dtbImage% - a dtbImage is a zImage with an embedded device tree blob -$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(obj)/%.dtb +$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(obj)/%.dtb FORCE $(call if_changed,wrap,$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) -$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(obj)/%.dtb +$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(obj)/%.dtb FORCE $(call if_changed,wrap,$*,,$(obj)/$*.dtb) # This cannot be in the root of $(src) as the zImage rule always adds a $(obj) @@ -374,31 +370,31 @@ $(obj)/dtbImage.%: vmlinux $(wrapperbits) $(obj)/%.dtb $(obj)/vmlinux.strip: vmlinux $(STRIP) -s -R .comment $< -o $@ -$(obj)/uImage: vmlinux $(wrapperbits) +$(obj)/uImage: vmlinux $(wrapperbits) FORCE $(call if_changed,wrap,uboot) -$(obj)/uImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) +$(obj)/uImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE $(call if_changed,wrap,uboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) -$(obj)/uImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) +$(obj)/uImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE $(call if_changed,wrap,uboot-$*,,$(obj)/$*.dtb) -$(obj)/cuImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) +$(obj)/cuImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE $(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) -$(obj)/cuImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) +$(obj)/cuImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE $(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb) -$(obj)/simpleImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) +$(obj)/simpleImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE $(call if_changed,wrap,simpleboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) -$(obj)/simpleImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) +$(obj)/simpleImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE $(call if_changed,wrap,simpleboot-$*,,$(obj)/$*.dtb) -$(obj)/treeImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) +$(obj)/treeImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE $(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) -$(obj)/treeImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) +$(obj)/treeImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE $(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb) # Rule to build device tree blobs diff --git a/arch/powerpc/boot/ps3-head.S b/arch/powerpc/boot/ps3-head.S index b6fcbaf5027b..3dc44b05fb97 100644 --- a/arch/powerpc/boot/ps3-head.S +++ b/arch/powerpc/boot/ps3-head.S @@ -57,11 +57,6 @@ __system_reset_overlay: bctr 1: - /* Save the value at addr zero for a null pointer write check later. */ - - li r4, 0 - lwz r3, 0(r4) - /* Primary delays then goes to _zimage_start in wrapper. */ or 31, 31, 31 /* db16cyc */ diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c index 4ec2d86d3c50..a05558a7e51a 100644 --- a/arch/powerpc/boot/ps3.c +++ b/arch/powerpc/boot/ps3.c @@ -119,13 +119,12 @@ void ps3_copy_vectors(void) flush_cache((void *)0x100, 512); } -void platform_init(unsigned long null_check) +void platform_init(void) { const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */ void *chosen; unsigned long ft_addr; u64 rm_size; - unsigned long val; console_ops.write = ps3_console_write; platform_ops.exit = ps3_exit; @@ -153,11 +152,6 @@ void platform_init(unsigned long null_check) printf(" flat tree at 0x%lx\n\r", ft_addr); - val = *(unsigned long *)0; - - if (val != null_check) - printf("null check failed: %lx != %lx\n\r", val, null_check); - ((kernel_entry_t)0)(ft_addr, 0, NULL); ps3_exit(); diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 404b3aabdb4d..76fe3ccfd381 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -181,6 +181,28 @@ case "$elfformat" in elf32-powerpc) format=elf32ppc ;; esac +ld_version() +{ + # Poached from scripts/ld-version.sh, but we don't want to call that because + # this script (wrapper) is distributed separately from the kernel source. + # Extract linker version number from stdin and turn into single number. + awk '{ + gsub(".*\\)", ""); + gsub(".*version ", ""); + gsub("-.*", ""); + split($1,a, "."); + print a[1]*100000000 + a[2]*1000000 + a[3]*10000; + exit + }' +} + +# Do not include PT_INTERP segment when linking pie. Non-pie linking +# just ignores this option. +LD_VERSION=$(${CROSS}ld --version | ld_version) +LD_NO_DL_MIN_VERSION=$(echo 2.26 | ld_version) +if [ "$LD_VERSION" -ge "$LD_NO_DL_MIN_VERSION" ] ; then + nodl="--no-dynamic-linker" +fi platformo=$object/"$platform".o lds=$object/zImage.lds @@ -446,7 +468,7 @@ if [ "$platform" != "miboot" ]; then text_start="-Ttext $link_address" fi #link everything - ${CROSS}ld -m $format -T $lds $text_start $pie -o "$ofile" \ + ${CROSS}ld -m $format -T $lds $text_start $pie $nodl -o "$ofile" \ $platformo $tmp $object/wrapper.a rm $tmp fi |