src/cpu/x86/64bit/Makefile.mk

   1 ## SPDX-License-Identifier: GPL-2.0-only
   2
   3 all_x86-y += mode_switch.S
   4 all_x86-y += mode_switch2.S
   5
   6 ifeq ($(CONFIG_NEED_SMALL_2MB_PAGE_TABLES),y)
   7 PAGETABLE_SRC := pt.S
   8 else
   9 PAGETABLE_SRC := pt1G.S
  10 endif
  11
  12 all_x86-y += $(PAGETABLE_SRC)
  13
  14 # Add --defsym=_start=0 to suppress a linker warning.
  15 $(objcbfs)/pt: $(dir)/$(PAGETABLE_SRC) $(obj)/config.h
  16         $(CC_bootblock) $(CFLAGS_bootblock) $(CPPFLAGS_bootblock) -o $@.tmp $< -Wl,--section-start=.rodata=$(CONFIG_ARCH_X86_64_PGTBL_LOC),--defsym=_start=0 -fuse-ld=bfd
  17         $(OBJCOPY_ramstage) -Obinary -j .rodata $@.tmp $@
  18         rm $@.tmp
  19
  20 cbfs-files-$(CONFIG_PAGE_TABLES_IN_CBFS) += pagetables
  21 pagetables-file := $(objcbfs)/pt
  22 pagetables-type := raw
  23 pagetables-compression := none
  24 pagetables-COREBOOT-position := $(CONFIG_ARCH_X86_64_PGTBL_LOC)