11b93b3c3SWu Zhangjin# 21b93b3c3SWu Zhangjin# This file is subject to the terms and conditions of the GNU General Public 31b93b3c3SWu Zhangjin# License. 41b93b3c3SWu Zhangjin# 51b93b3c3SWu Zhangjin# Adapted for MIPS Pete Popov, Dan Malek 61b93b3c3SWu Zhangjin# 71b93b3c3SWu Zhangjin# Copyright (C) 1994 by Linus Torvalds 81b93b3c3SWu Zhangjin# Adapted for PowerPC by Gary Thomas 91b93b3c3SWu Zhangjin# modified by Cort (cort@cs.nmt.edu) 101b93b3c3SWu Zhangjin# 111b93b3c3SWu Zhangjin# Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University 121b93b3c3SWu Zhangjin# Author: Wu Zhangjin <wuzj@lemote.com> 131b93b3c3SWu Zhangjin# 141b93b3c3SWu Zhangjin 151b93b3c3SWu Zhangjin# compressed kernel load addr: VMLINUZ_LOAD_ADDRESS > VMLINUX_LOAD_ADDRESS + VMLINUX_SIZE 161b93b3c3SWu ZhangjinVMLINUX_SIZE := $(shell wc -c $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | cut -d' ' -f1) 171b93b3c3SWu ZhangjinVMLINUX_SIZE := $(shell [ -n "$(VMLINUX_SIZE)" ] && echo $$(($(VMLINUX_SIZE) + (65536 - $(VMLINUX_SIZE) % 65536)))) 181b93b3c3SWu ZhangjinVMLINUZ_LOAD_ADDRESS := 0x$(shell [ -n "$(VMLINUX_SIZE)" ] && printf %x $$(($(VMLINUX_LOAD_ADDRESS) + $(VMLINUX_SIZE)))) 191b93b3c3SWu Zhangjin 201b93b3c3SWu Zhangjin# set the default size of the mallocing area for decompressing 211b93b3c3SWu ZhangjinBOOT_HEAP_SIZE := 0x400000 221b93b3c3SWu Zhangjin 231b93b3c3SWu Zhangjin# Disable Function Tracer 241b93b3c3SWu ZhangjinKBUILD_CFLAGS := $(shell echo $(KBUILD_CFLAGS) | sed -e "s/-pg//") 251b93b3c3SWu Zhangjin 261b93b3c3SWu ZhangjinKBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \ 271b93b3c3SWu Zhangjin -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" \ 281b93b3c3SWu Zhangjin 291b93b3c3SWu ZhangjinKBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ 301b93b3c3SWu Zhangjin -DKERNEL_ENTRY=0x$(shell $(NM) $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | grep " kernel_entry" | cut -f1 -d \ ) \ 311b93b3c3SWu Zhangjin -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) 321b93b3c3SWu Zhangjin 331b93b3c3SWu Zhangjinobj-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o 341b93b3c3SWu Zhangjin 351b93b3c3SWu Zhangjinobj-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o 361b93b3c3SWu Zhangjin 371b93b3c3SWu ZhangjinOBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S 381b93b3c3SWu Zhangjin$(obj)/vmlinux.bin: $(KBUILD_IMAGE) 391b93b3c3SWu Zhangjin $(call if_changed,objcopy) 401b93b3c3SWu Zhangjin 411b93b3c3SWu Zhangjinsuffix_$(CONFIG_KERNEL_GZIP) = gz 421b93b3c3SWu Zhangjinsuffix_$(CONFIG_KERNEL_BZIP2) = bz2 431b93b3c3SWu Zhangjinsuffix_$(CONFIG_KERNEL_LZMA) = lzma 441b93b3c3SWu Zhangjintool_$(CONFIG_KERNEL_GZIP) = gzip 451b93b3c3SWu Zhangjintool_$(CONFIG_KERNEL_BZIP2) = bzip2 461b93b3c3SWu Zhangjintool_$(CONFIG_KERNEL_LZMA) = lzma 471b93b3c3SWu Zhangjin$(obj)/vmlinux.$(suffix_y): $(obj)/vmlinux.bin 481b93b3c3SWu Zhangjin $(call if_changed,$(tool_y)) 491b93b3c3SWu Zhangjin 501b93b3c3SWu Zhangjin$(obj)/piggy.o: $(obj)/vmlinux.$(suffix_y) $(obj)/dummy.o 511b93b3c3SWu Zhangjin $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) \ 521b93b3c3SWu Zhangjin --add-section=.image=$< \ 531b93b3c3SWu Zhangjin --set-section-flags=.image=contents,alloc,load,readonly,data \ 541b93b3c3SWu Zhangjin $(obj)/dummy.o $@ 551b93b3c3SWu Zhangjin 561b93b3c3SWu ZhangjinLDFLAGS_vmlinuz := $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T 571b93b3c3SWu Zhangjinvmlinuz: $(src)/ld.script $(obj-y) $(obj)/piggy.o 581b93b3c3SWu Zhangjin $(call if_changed,ld) 59*d4d9a553SWu Zhangjin $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) $@ 601b93b3c3SWu Zhangjin 611b93b3c3SWu Zhangjin# 621b93b3c3SWu Zhangjin# Some DECstations need all possible sections of an ECOFF executable 631b93b3c3SWu Zhangjin# 641b93b3c3SWu Zhangjinifdef CONFIG_MACH_DECSTATION 651b93b3c3SWu Zhangjin E2EFLAGS = -a 661b93b3c3SWu Zhangjinelse 671b93b3c3SWu Zhangjin E2EFLAGS = 681b93b3c3SWu Zhangjinendif 691b93b3c3SWu Zhangjin 701b93b3c3SWu Zhangjin# elf2ecoff can only handle 32bit image 711b93b3c3SWu Zhangjin 721b93b3c3SWu Zhangjinifdef CONFIG_32BIT 731b93b3c3SWu Zhangjin VMLINUZ = vmlinuz 741b93b3c3SWu Zhangjinelse 751b93b3c3SWu Zhangjin VMLINUZ = vmlinuz.32 761b93b3c3SWu Zhangjinendif 771b93b3c3SWu Zhangjin 781b93b3c3SWu Zhangjinvmlinuz.32: vmlinuz 791b93b3c3SWu Zhangjin $(Q)$(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ 801b93b3c3SWu Zhangjin 811b93b3c3SWu Zhangjinvmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) 821b93b3c3SWu Zhangjin $(Q)$(obj)/../elf2ecoff $(VMLINUZ) vmlinuz.ecoff $(E2EFLAGS) 831b93b3c3SWu Zhangjin 841b93b3c3SWu Zhangjin$(obj)/../elf2ecoff: $(src)/../elf2ecoff.c 851b93b3c3SWu Zhangjin $(Q)$(HOSTCC) -o $@ $^ 861b93b3c3SWu Zhangjin 87*d4d9a553SWu ZhangjinOBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary 881b93b3c3SWu Zhangjinvmlinuz.bin: vmlinuz 891b93b3c3SWu Zhangjin $(call if_changed,objcopy) 901b93b3c3SWu Zhangjin 91*d4d9a553SWu ZhangjinOBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec 921b93b3c3SWu Zhangjinvmlinuz.srec: vmlinuz 931b93b3c3SWu Zhangjin $(call if_changed,objcopy) 941b93b3c3SWu Zhangjin 951b93b3c3SWu Zhangjinclean: 961b93b3c3SWu Zhangjinclean-files += *.o \ 971b93b3c3SWu Zhangjin vmlinu* 98