u-boot/arch/x86/cpu/Makefile
Simon Glass 6f92ed8f1a x86: Add a way to call 32-bit code from 64-bit mode
The procedure to drop from 64-bit mode to 32-bit is a bit messy. Add a
function to take care of it. It requires identity-mapped pages and that
the calling code is running below 4GB.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2015-08-05 08:44:07 -06:00

34 lines
962 B
Makefile

#
# (C) Copyright 2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# (C) Copyright 2002
# Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
#
# SPDX-License-Identifier: GPL-2.0+
#
extra-y = start.o
obj-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o
obj-y += interrupts.o cpu.o cpu_x86.o call64.o
AFLAGS_REMOVE_call32.o := -mregparm=3 \
$(if $(CONFIG_EFI_STUB_64BIT),-march=i386 -m32)
AFLAGS_call32.o := -fpic -fshort-wchar
extra-y += call32.o
obj-$(CONFIG_INTEL_BAYTRAIL) += baytrail/
obj-$(CONFIG_SYS_COREBOOT) += coreboot/
obj-$(CONFIG_EFI_APP) += efi/
obj-$(CONFIG_QEMU) += qemu/
obj-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += ivybridge/
obj-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += ivybridge/
obj-$(CONFIG_INTEL_QUARK) += quark/
obj-$(CONFIG_INTEL_QUEENSBAY) += queensbay/
obj-y += irq.o lapic.o ioapic.o
obj-$(CONFIG_SMP) += mp_init.o
obj-y += mtrr.o
obj-$(CONFIG_PCI) += pci.o
obj-$(CONFIG_SMP) += sipi_vector.o
obj-y += turbo.o