| Al Viro | 2b8232c | 2007-10-13 08:16:04 +0100 | [diff] [blame] | 1 | core-y += arch/um/sys-i386/ arch/x86/crypto/ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | |
| 3 | TOP_ADDR := $(CONFIG_TOP_ADDR) |
| 4 | |
| Jeff Dike | 42fda66 | 2007-10-16 01:26:50 -0700 | [diff] [blame] | 5 | START := 0x8048000 |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | |
| Paolo 'Blaisorblade' Giarrusso | 20d0021 | 2005-07-14 00:33:43 -0700 | [diff] [blame] | 7 | LDFLAGS += -m elf_i386 |
| 8 | ELF_ARCH := $(SUBARCH) |
| 9 | ELF_FORMAT := elf32-$(SUBARCH) |
| 10 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S |
| Al Viro | 2b8232c | 2007-10-13 08:16:04 +0100 | [diff] [blame] | 11 | HEADER_ARCH := x86 |
| Al Viro | ca5cd87 | 2007-10-29 04:31:16 +0000 | [diff] [blame] | 12 | CHECKFLAGS += -D__i386__ |
| Paolo 'Blaisorblade' Giarrusso | 20d0021 | 2005-07-14 00:33:43 -0700 | [diff] [blame] | 13 | |
| 14 | ifeq ("$(origin SUBARCH)", "command line") |
| 15 | ifneq ("$(shell uname -m | sed -e s/i.86/i386/)", "$(SUBARCH)") |
| Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 16 | KBUILD_CFLAGS += $(call cc-option,-m32) |
| Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 17 | KBUILD_AFLAGS += $(call cc-option,-m32) |
| Paolo 'Blaisorblade' Giarrusso | 20d0021 | 2005-07-14 00:33:43 -0700 | [diff] [blame] | 18 | LINK-y += $(call cc-option,-m32) |
| 19 | UML_OBJCOPYFLAGS += -F $(ELF_FORMAT) |
| 20 | |
| 21 | export LDFLAGS HOSTCFLAGS HOSTLDFLAGS UML_OBJCOPYFLAGS |
| 22 | endif |
| 23 | endif |
| 24 | |
| Al Viro | 2b8232c | 2007-10-13 08:16:04 +0100 | [diff] [blame] | 25 | CFLAGS += -DCONFIG_X86_32 |
| 26 | AFLAGS += -DCONFIG_X86_32 |
| 27 | CONFIG_X86_32 := y |
| 28 | export CONFIG_X86_32 |
| 29 | |
| Paolo 'Blaisorblade' Giarrusso | 96d55b8 | 2005-10-30 15:00:07 -0800 | [diff] [blame] | 30 | # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y. |
| Al Viro | 7a78a17 | 2007-10-29 04:34:31 +0000 | [diff] [blame^] | 31 | include $(srctree)/arch/x86/Makefile_32.cpu |
| Paolo 'Blaisorblade' Giarrusso | 96d55b8 | 2005-10-30 15:00:07 -0800 | [diff] [blame] | 32 | |
| 33 | # prevent gcc from keeping the stack 16 byte aligned. Taken from i386. |
| 34 | cflags-y += $(call cc-option,-mpreferred-stack-boundary=2) |
| 35 | |
| Jeff Dike | fec468b | 2006-06-04 02:51:49 -0700 | [diff] [blame] | 36 | # Prevent sprintf in nfsd from being converted to strcpy and resulting in |
| 37 | # an unresolved reference. |
| 38 | cflags-y += -ffreestanding |
| 39 | |
| Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 40 | KBUILD_CFLAGS += $(cflags-y) |