summaryrefslogtreecommitdiff
path: root/src/cpu/x86/64bit/Makefile.mk
blob: 680ab2d42a35ee87724bec6064333a90bcc3ca56 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
## SPDX-License-Identifier: GPL-2.0-only

all_x86-y += mode_switch.S
all_x86-y += mode_switch2.S

ifeq ($(CONFIG_USE_1G_PAGETABLES),y)
PAGETABLE_SRC := pt1G.S
else
PAGETABLE_SRC := pt.S
endif

# Add --defsym=_start=0 to suppress a linker warning.
$(objcbfs)/pt: $(dir)/$(PAGETABLE_SRC) $(obj)/config.h
	$(CC_bootblock) $(CFLAGS_bootblock) $(CPPFLAGS_bootblock) -o $@.tmp $< -Wl,--section-start=.rodata=$(CONFIG_ARCH_X86_64_PGTBL_LOC),--defsym=_start=0
	$(OBJCOPY_ramstage) -Obinary -j .rodata $@.tmp $@
	rm $@.tmp

cbfs-files-y += pagetables
pagetables-file := $(objcbfs)/pt
pagetables-type := raw
pagetables-compression := none
pagetables-COREBOOT-position := $(CONFIG_ARCH_X86_64_PGTBL_LOC)