| ## |
| ## Compute the location and size of where this firmware image |
| ## (linuxBIOS plus bootloader) will live in the boot rom chip. |
| ## |
| if USE_FALLBACK_IMAGE |
| default ROM_SECTION_SIZE = FALLBACK_SIZE |
| default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE ) |
| else |
| default ROM_SECTION_SIZE = ( ROM_SIZE - FALLBACK_SIZE ) |
| default ROM_SECTION_OFFSET = 0 |
| end |
| |
| ## |
| ## Compute the start location and size size of |
| ## The linuxBIOS bootloader. |
| ## |
| default CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1) |
| default PAYLOAD_SIZE = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE ) |
| |
| ## |
| ## Compute where this copy of linuxBIOS will start in the boot rom |
| ## |
| default _ROMBASE = ( CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE ) |
| |
| ## |
| ## Compute a range of ROM that can cached to speed up linuxBIOS, |
| ## execution speed. |
| ## |
| ## XIP_ROM_SIZE must be a power of 2. |
| ## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE |
| ## |
| default XIP_ROM_SIZE=65536 |
| default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE ) |
| |
| ## |
| ## Set all of the defaults for an x86 architecture |
| ## |
| |
| arch i386 end |
| |
| ## |
| ## Build the objects we have code for in this directory. |
| ## |
| |
| driver mainboard.o |
| |
| #if HAVE_PIRQ_TABLE object irq_tables.o end |
| #object reset.o |
| |
| ## |
| ## Romcc output |
| ## |
| makerule ./failover.E |
| depends "$(MAINBOARD)/failover.c ./romcc" |
| action "./romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@" |
| end |
| |
| makerule ./failover.inc |
| depends "$(MAINBOARD)/failover.c ./romcc" |
| action "./romcc -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@" |
| end |
| |
| makerule ./auto.E |
| depends "$(MAINBOARD)/auto.c ./romcc" |
| action "./romcc -E -mcpu=i386 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@" |
| end |
| makerule ./auto.inc |
| depends "$(MAINBOARD)/auto.c ./romcc" |
| action "./romcc -mcpu=i386 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@" |
| end |
| |
| ## |
| ## Build our 16 bit and 32 bit linuxBIOS entry code |
| ## |
| mainboardinit cpu/x86/16bit/entry16.inc |
| mainboardinit cpu/x86/32bit/entry32.inc |
| ldscript /cpu/x86/16bit/entry16.lds |
| ldscript /cpu/x86/32bit/entry32.lds |
| |
| ## |
| ## Build our reset vector (This is where linuxBIOS is entered) |
| ## |
| if USE_FALLBACK_IMAGE |
| mainboardinit cpu/x86/16bit/reset16.inc |
| ldscript /cpu/x86/16bit/reset16.lds |
| else |
| mainboardinit cpu/x86/32bit/reset32.inc |
| ldscript /cpu/x86/32bit/reset32.lds |
| end |
| |
| ### Should this be in the northbridge code? |
| mainboardinit arch/i386/lib/cpu_reset.inc |
| |
| ## |
| ## Include an id string (For safe flashing) |
| ## |
| mainboardinit arch/i386/lib/id.inc |
| ldscript /arch/i386/lib/id.lds |
| |
| ### |
| ### This is the early phase of linuxBIOS startup |
| ### Things are delicate and we test to see if we should |
| ### failover to another image. |
| ### |
| if USE_FALLBACK_IMAGE |
| ldscript /arch/i386/lib/failover.lds |
| mainboardinit ./failover.inc |
| end |
| |
| ### |
| ### O.k. We aren't just an intermediary anymore! |
| ### |
| |
| ## |
| ## Setup RAM |
| ## |
| mainboardinit cpu/x86/fpu/enable_fpu.inc |
| mainboardinit cpu/x86/mmx/enable_mmx.inc |
| mainboardinit ./auto.inc |
| mainboardinit cpu/x86/mmx/disable_mmx.inc |
| |
| ## |
| ## Include the secondary Configuration files |
| ## |
| dir /pc80 |
| config chip.h |
| |
| # TODO. |
| chip northbridge/intel/i440bx |
| device pci_domain 0 on |
| end |
| chip cpu/intel/slot_2 |
| end |
| end |
| |