From patchwork Sat Oct 20 22:33:05 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot,01/12] x86: Allow compiling out realmode/bios code Date: Sat, 20 Oct 2012 12:33:05 -0000 From: Simon Glass X-Patchwork-Id: 192954 Message-Id: <1350772396-28946-2-git-send-email-sjg@chromium.org> To: U-Boot Mailing List Cc: Tom Rini , Stefan Reinauer From: Gabe Black We don't want this for coreboot, so provide a way of compiling it out. Signed-off-by: Gabe Black Signed-off-by: Stefan Reinauer Signed-off-by: Simon Glass --- arch/x86/lib/Makefile | 9 ++++++--- arch/x86/lib/video.c | 2 ++ arch/x86/lib/zimage.c | 4 ++-- 3 files changed, 10 insertions(+), 5 deletions(-) diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index 51836da..1cb9155 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -25,11 +25,16 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(ARCH).o +ifeq ($(CONFIG_SYS_X86_REALMODE),y) SOBJS-$(CONFIG_SYS_PC_BIOS) += bios.o SOBJS-$(CONFIG_SYS_PCI_BIOS) += bios_pci.o -SOBJS-$(CONFIG_SYS_X86_REALMODE) += realmode_switch.o +COBJS-y += realmode.o +SOBJS-y += realmode_switch.o COBJS-$(CONFIG_SYS_PC_BIOS) += bios_setup.o +COBJS-$(CONFIG_VIDEO) += video_bios.o +endif + COBJS-y += board.o COBJS-y += bootm.o COBJS-y += cmd_boot.o @@ -41,11 +46,9 @@ COBJS-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o COBJS-$(CONFIG_SYS_GENERIC_TIMER) += pcat_timer.o COBJS-$(CONFIG_PCI) += pci.o COBJS-$(CONFIG_PCI) += pci_type1.o -COBJS-$(CONFIG_SYS_X86_REALMODE) += realmode.o COBJS-y += relocate.o COBJS-y += string.o COBJS-$(CONFIG_SYS_X86_ISR_TIMER) += timer.o -COBJS-$(CONFIG_VIDEO) += video_bios.o COBJS-$(CONFIG_VIDEO) += video.o COBJS-$(CONFIG_CMD_ZBOOT) += zimage.o diff --git a/arch/x86/lib/video.c b/arch/x86/lib/video.c index 3d6b24d..7d58ab0 100644 --- a/arch/x86/lib/video.c +++ b/arch/x86/lib/video.c @@ -222,8 +222,10 @@ int video_init(void) int drv_video_init(void) { +#if defined CONFIG_SYS_X86_REALMODE if (video_bios_init()) return 1; +#endif return video_init(); } diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index 2214286..2bbf5a8 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -171,7 +171,7 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size, else *load_address = (void *)ZIMAGE_LOAD_ADDR; -#if defined CONFIG_ZBOOT_32 +#if !defined CONFIG_SYS_X86_REALMODE || defined CONFIG_ZBOOT_32 printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base); memset(setup_base, 0, sizeof(*setup_base)); setup_base->hdr = params->hdr; @@ -283,7 +283,7 @@ void boot_zimage(void *setup_base, void *load_address) { printf("\nStarting kernel ...\n\n"); -#if defined CONFIG_ZBOOT_32 +#if !defined CONFIG_SYS_X86_REALMODE || defined CONFIG_ZBOOT_32 /* * Set %ebx, %ebp, and %edi to 0, %esi to point to the boot_params * structure, and then jump to the kernel. We assume that %cs is