From 259ed65c86100f18cc584cc547413541534f66ff Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Thu, 6 Jan 2011 01:51:13 +0100 Subject: Revert "Add experimental code to self-relocate vmlinuz on e.g. brcm" This reverts commit 80d8381811821445bc47cd6e46f1eea423d9fce5. --- target/linux/patches/2.6.36/zboot-brcm-reloc.patch | 196 --------------------- 1 file changed, 196 deletions(-) delete mode 100644 target/linux/patches/2.6.36/zboot-brcm-reloc.patch (limited to 'target/linux/patches/2.6.36/zboot-brcm-reloc.patch') diff --git a/target/linux/patches/2.6.36/zboot-brcm-reloc.patch b/target/linux/patches/2.6.36/zboot-brcm-reloc.patch deleted file mode 100644 index 705bd1dde..000000000 --- a/target/linux/patches/2.6.36/zboot-brcm-reloc.patch +++ /dev/null @@ -1,196 +0,0 @@ ---- /dev/null Thu Jan 6 00:14:18 2011 -+++ arch/mips/boot/compressed/selfreloc.lds.S Wed Jan 5 23:52:43 2011 -@@ -0,0 +1,39 @@ -+/*- -+ * written 2010 by Thorsten Glaser based on -+ * arch/mips/kernel/vmlinux.lds and arch/mips/boot/compressed/ld.script -+ */ -+ -+#include -+#include -+#include -+ -+#undef mips -+#define mips mips -+OUTPUT_ARCH(mips) -+ENTRY(selfreloc_start) -+PHDRS { -+ text PT_LOAD FLAGS(7); /* RWX */ -+} -+SECTIONS -+{ -+ . = VMLINUX_LOAD_ADDRESS; -+ .text : { -+ *(.text) -+ *(.text.*) -+ *(.rodata) -+ *(.rodata.*) -+ *(.data) -+ *(.data.*) -+ *(.bss) -+ *(.bss.*) -+ } :text -+ /DISCARD/ : { -+ *(.MIPS.options) -+ *(.options) -+ *(.pdr) -+ *(.reginfo) -+ *(.comment) -+ *(.note) -+ *(.gnu.attributes) -+ } -+} ---- /dev/null Thu Jan 6 00:14:22 2011 -+++ arch/mips/boot/compressed/selfreloc1.S Wed Jan 5 23:22:30 2011 -@@ -0,0 +1,48 @@ -+/*- -+ * written 2011 by Thorsten Glaser based on -+ * arch/mips/boot/compressed/head.S -+ */ -+ -+#include -+#include -+ -+ .set noreorder -+ .cprestore -+ -+ .globl selfreloc_move -+ -+ .text -+ LEAF(selfreloc_start) -+selfreloc_start: -+ /* Save boot rom start args */ -+ move s0, a0 -+ move s1, a1 -+ move s2, a2 -+ move s3, a3 -+ -+ PTR_LI a0, VMLINUZ_LOAD_ADDRESS -+ PTR_LA sp, (.stack + 2048) /* stack address */ -+ -+ PTR_LA ra, 2f -+ PTR_LA k0, selfreloc_move -+ jr k0 -+ nop -+2: -+ move a0, s0 -+ move a1, s1 -+ move a2, s2 -+ move a3, s3 -+ PTR_LI k0, VMLINUZ_LOAD_ADDRESS -+ jr k0 -+ nop -+3: -+ b 3b -+ nop -+ END(selfreloc_start) -+ -+ .globl imgbeg -+imgbeg: .incbin "vmlinuz.bin" -+ .globl imgend -+imgend: -+ -+ .comm .stack,2048,4 ---- /dev/null Thu Jan 6 00:14:26 2011 -+++ arch/mips/boot/compressed/selfreloc2.c Wed Jan 5 23:34:00 2011 -@@ -0,0 +1,39 @@ -+/* written 2011 by Thorsten Glaser */ -+ -+extern unsigned char imgbeg, imgend; -+ -+/* debug interfaces */ -+extern void puts(const char *); -+extern void puthex(unsigned long long); -+ -+void selfreloc_move(unsigned char *); -+ -+/* -+ * Note: we assume we are loaded to VMLINUX_LOAD_ADDRESS, -+ * the range between it and our end-of-file doesn't over- -+ * lap VMLINUZ_LOAD_ADDRESS, we need to relocate the code -+ * there and jump to its first byte. -+ */ -+ -+void -+selfreloc_move(unsigned char *dst /* VMLINUZ_LOAD_ADDRESS */) -+{ -+ unsigned char *src; -+ unsigned long len; -+ -+ puts("in selfreloc_move from "); -+ puthex((unsigned long)&imgbeg); -+ puts(":"); -+ puthex((unsigned long)&imgend); -+ puts(" to "); -+ puthex((unsigned long)dst); -+ puts(" ..."); -+ -+ src = &imgbeg; -+ len = (unsigned long)(&imgend) - (unsigned long)(&imgbeg); -+ -+ while (len--) -+ *dst++ = *src++; -+ -+ puts("done\n"); -+} ---- /home/tg/arch/mips/boot/compressed/Makefile Wed Jan 5 21:26:40 2011 -+++ arch/mips/boot/compressed/Makefile Wed Jan 5 23:35:58 2011 -@@ -28,12 +28,14 @@ KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUIL - targets := head.o decompress.o dbg.o uart-16550.o uart-alchemy.o - - # decompressor objects (linked with vmlinuz) --vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o -+vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o -+vmlinuz-dbg-objs-y := $(obj)/dbg.o - - ifdef CONFIG_DEBUG_ZBOOT --vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o --vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o -+vmlinuz-dbg-objs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o -+vmlinuz-dbg-objs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o - endif -+vmlinuzobjs-y += $(vmlinuz-dbg-objs-y) - - targets += vmlinux.bin - OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S -@@ -106,4 +107,12 @@ OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFL - vmlinuz.srec: vmlinuz - $(call cmd,objcopy) - --clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} -+AFLAGS_selfreloc1.o := -DVMLINUZ_LOAD_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) -+arch/mips/boot/compressed/selfreloc1.o: arch/mips/boot/compressed/selfreloc1.S vmlinuz.bin -+ -+CPPFLAGS_selfreloc.lds := $(KBUILD_CFLAGS) -+ -+vmlinub.elf: arch/mips/boot/compressed/selfreloc1.o arch/mips/boot/compressed/selfreloc2.o arch/mips/boot/compressed/selfreloc.lds $(vmlinuz-dbg-objs-y) -+ $(LD) $(LDFLAGS) -T arch/mips/boot/compressed/selfreloc.lds arch/mips/boot/compressed/selfreloc1.o arch/mips/boot/compressed/selfreloc2.o $(vmlinuz-dbg-objs-y) -o $@ -+ -+clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} $(objtree)/vmlinub.elf $(objtree)/arch/mips/boot/compressed/selfreloc{{1,2}.o,.lds} ---- /home/tg/arch/mips/Makefile Wed Jan 5 20:26:12 2011 -+++ arch/mips/Makefile Wed Jan 5 22:41:38 2011 -@@ -79,6 +79,7 @@ endif - all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32) - all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64) - all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz -+all-$(CONFIG_BCM47XX) += vmlinub.elf - - # - # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel -@@ -285,7 +286,7 @@ vmlinux.bin vmlinux.ecoff vmlinux.srec: - $(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) arch/mips/boot/$@ - - # boot/compressed --vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec: $(vmlinux-32) FORCE -+vmlinuz vmlinuz.bin vmlinuz.ecoff vmlinuz.srec vmlinub.elf: $(vmlinux-32) FORCE - $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ - VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $@ - -@@ -322,6 +323,7 @@ define archhelp - echo ' vmlinuz.ecoff - ECOFF zboot image' - echo ' vmlinuz.bin - Raw binary zboot image' - echo ' vmlinuz.srec - SREC zboot image' -+ echo ' vmlinub.elf - ELF self-relocating zboot image' - echo - echo ' These will be default as apropriate for a configured platform.' - endef -- cgit v1.2.3