Messages in this thread Patch in this message | | | Subject | [PATCH] UML - Allow UML to load in the normal location | Date | Wed, 22 Sep 2004 22:21:50 -0400 | From | Jeff Dike <> |
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This makes UML load at 0x8048000 rather than 0xa0000000 when CONFIG_MODE_SKAS is on and CONFIG_MODE_TT is off. This will make it more valgrind-friendly, and also allow much greater physical memory sizes without needing to use highmem.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade_spam@yahoo.it> Signed-off-by: Jeff Dike <jdike@addtoit.com>
Index: linux-2.6.9-rc2-mm1-orig/arch/um/Makefile =================================================================== --- linux-2.6.9-rc2-mm1-orig.orig/arch/um/Makefile 2004-09-22 20:00:24.000000000 -0400 +++ linux-2.6.9-rc2-mm1-orig/arch/um/Makefile 2004-09-22 20:17:45.000000000 -0400 @@ -109,8 +109,12 @@ CONFIG_KERNEL_STACK_ORDER ?= 2 STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] ) +ifndef START + START = $$(($(TOP_ADDR) - $(SIZE))) +endif + CPPFLAGS_vmlinux.lds = $(shell echo -U$(SUBARCH) \ - -DSTART=$$(($(TOP_ADDR) - $(SIZE))) -DELF_ARCH=$(ELF_ARCH) \ + -DSTART=$(START) -DELF_ARCH=$(ELF_ARCH) \ -DELF_FORMAT=\"$(ELF_FORMAT)\" $(CPP_MODE_TT) \ -DKERNEL_STACK_SIZE=$(STACK_SIZE)) Index: linux-2.6.9-rc2-mm1-orig/arch/um/Makefile-i386 =================================================================== --- linux-2.6.9-rc2-mm1-orig.orig/arch/um/Makefile-i386 2004-09-22 20:00:24.000000000 -0400 +++ linux-2.6.9-rc2-mm1-orig/arch/um/Makefile-i386 2004-09-22 20:17:45.000000000 -0400 @@ -4,6 +4,12 @@ TOP_ADDR = 0xc0000000 endif +ifeq ($(CONFIG_MODE_SKAS),y) + ifneq ($(CONFIG_MODE_TT),y) + START = 0x8048000 + endif +endif + CFLAGS += -U__$(SUBARCH)__ -U$(SUBARCH) ifneq ($(CONFIG_GPROF),y) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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