Redo testbios utility to use all of YABEL

Drop buggy duplicate implementation of intXX handlers and provide enough glue to use all of YABEL. Change-Id: I2db77a56a2a991cb84876456dcbb3a843a0d9754 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: https://review.coreboot.org/12117 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins)
author: Stefan Reinauer <reinauer@chromium.org> 2015-10-21 13:00:41 -0700
committer: Stefan Reinauer <stefan.reinauer@coreboot.org> 2016-02-18 01:47:04 +0100
commit: 05082737a9507a8bbb238d9d439f74a72a7606e8 (patch)
tree: dd5ec603f620e9e4a7a054533d5098b2a19c97b2 /util/vgabios
parent: eb960f1af93b55cbfb0d5f86343970ded151d3c7 (diff)
20 files changed, 904 insertions, 1654 deletions
diff --git a/util/vgabios/Makefile b/util/vgabios/Makefile
index 520779c142..45a7259cb7 100644
--- a/util/vgabios/Makefile
+++ b/util/vgabios/Makefile
@@ -1,3 +1,18 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2016 Google Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+
 #
 # NOTE: You need to add your libpci.a version to CFLAGS below if
 # pci-userspace.c does not build.
@@ -7,33 +22,55 @@
 #
 
 TOP     ?= ../..
+OUT     ?= build
 
 CC      ?=  gcc
 CFLAGS  ?= -O2 -g -fomit-frame-pointer
 
 CFLAGS  += -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 CFLAGS  += -Wwrite-strings -Wredundant-decls -Wstrict-aliasing -Wshadow -Wextra
+CFLAGS  += -Wno-unused-but-set-variable
 
 # TODO check host architecture
-CBCFLAGS  = -DCONFIG_ARCH_X86=1 -Wno-sign-compare -Wno-unused-but-set-variable -Wno-unused-parameter
+CBCFLAGS  = -Wno-sign-compare -Wno-unused-parameter -Wno-format
+
+INCLUDES  = -Iinclude -I$(OUT)/include
+INCLUDES += -I$(TOP)/src/device/oprom/include/
+INCLUDES += -I$(TOP)/src/device/oprom/yabel
+INCLUDES += -include $(TOP)/src/commonlib/include/commonlib/loglevel.h
+INCLUDES += -include stdtypes.h -include pci-userspace.h
+INCLUDES += -include $(TOP)/src/include/kconfig.h
+
+CBINCLUDES = -I$(TOP)/src -include include/stdtypes.h -include $(TOP)/src/include/endian.h
+CBINCLUDES += -include stdio.h -include sys/io.h
+
+SOURCE  = testbios.c
+SOURCE += pci-userspace.c
+SOURCE += device.c
 
-INCLUDES  = -Iinclude -I$(TOP)/src/device/oprom/include/
-CBINCLUDES = -I$(TOP)/src --include include/stdtypes.h
-CBINCLUDES += --include $(TOP)/src/commonlib/include/commonlib/loglevel.h
-CBINCLUDES += -include stdio.h
+X86EMU  = x86emu/sys.c x86emu/decode.c x86emu/ops.c x86emu/ops2.c
+X86EMU += x86emu/prim_ops.c x86emu/fpu.c x86emu/debug.c
 
-SOURCE  = int10.c int15.c int16.c int1a.c inte6.c testbios.c
-SOURCE += helper_exec.c helper_mem.c pci-userspace.c
+X86EMU += yabel/interrupt.c
+X86EMU += yabel/mem.c
+X86EMU += yabel/io.c
+X86EMU += yabel/pmm.c
+X86EMU += yabel/biosemu.c
+X86EMU += yabel/debug.c
+#X86EMU += yabel/device.c # For now we need a local copy :-(
 
-X86EMU  = sys.c decode.c ops.c ops2.c prim_ops.c fpu.c debug.c
-X86EMU_DIR = $(TOP)/src/device/oprom/x86emu
+
+
+X86EMU_DIR = $(TOP)/src/device/oprom
 X86EMU_SOURCE = $(addprefix $(X86EMU_DIR)/, $(X86EMU))
-OBJECTS:=$(SOURCE:.c=.o) $(X86EMU:.c=.o)
+OBJECTS:=$(addprefix $(OUT)/,$(SOURCE:.c=.o)) $(addprefix $(OUT)/, $(X86EMU:.c=.o))
 
 LIBS=-lpci
 
 all: dep testbios
 
+$(OBJECTS): includes
+
 testbios: $(OBJECTS)
 	printf "    LINK  $(notdir $@)\n"
 	$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
@@ -42,21 +79,37 @@ dep: $(SOURCE) $(X86EMU_SOURCE) Makefile
 	$(CC) $(CFLAGS) $(INCLUDES) -MM $(SOURCE) > .dependencies
 	$(CC) $(CFLAGS) $(INCLUDES) $(CBCFLAGS) $(CBINCLUDES) -MM $(X86EMU_SOURCE) >> .dependencies
 
+# Make all the dummy include files (that are in reality
+# covered by all the -include statements above)
+includes:
+	mkdir -p $(OUT)/include/device
+	mkdir -p $(OUT)/include/arch
+	touch $(OUT)/include/device/device.h
+	touch $(OUT)/include/device/pci.h
+	touch $(OUT)/include/device/pci_ops.h
+	touch $(OUT)/include/device/resource.h
+	touch $(OUT)/include/arch/io.h
+	touch $(OUT)/include/timer.h
+	touch $(OUT)/include/types.h
+
 clean:
-	rm -f *.o *~ testbios
+	rm -f $(OBJECTS) *~ testbios
+	rm -rf $(OUT)
 
 distclean: clean
 	rm -f .dependencies
 
-%.o: $(X86EMU_DIR)/%.c
+$(OUT)/%.o: $(X86EMU_DIR)/%.c
 	printf "    CC    (x86emu) $(notdir $<)\n"
+	mkdir -p $(dir $@)
 	$(CC) $(CFLAGS) $(CBCFLAGS) $(INCLUDES) $(CBINCLUDES) -c -o $@ $<
 
-%.o: %.c
+$(OUT)/%.o: %.c
 	printf "    CC    $(notdir $<)\n"
+	mkdir -p $(dir $@)
 	$(CC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
 
-.PHONY: all clean distclean
+.PHONY: all includes clean distclean
 .SILENT:
 
 -include .dependencies
diff --git a/util/vgabios/device.c b/util/vgabios/device.c
new file mode 100644
index 0000000000..3526e24716
--- /dev/null
+++ b/util/vgabios/device.c
@@ -0,0 +1,482 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * Copyright (c) 2008, 2009 Pattrick Hueper <phueper@hueper.net>
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+
+#include <stdtypes.h>
+
+#include <arch/byteorder.h>
+#include "device.h"
+#include "compat/rtas.h"
+#include <string.h>
+#include "debug.h"
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/resource.h>
+
+/* the device we are working with... */
+biosemu_device_t bios_device;
+//max. 6 BARs and 1 Exp.ROM plus CfgSpace and 3 legacy ranges, plus 2 "special" memory ranges
+translate_address_t translate_address_array[13];
+u8 taa_last_entry;
+
+typedef struct {
+	u8 info;
+	u8 bus;
+	u8 devfn;
+	u8 cfg_space_offset;
+	u64 address;
+	u64 size;
+} __attribute__ ((__packed__)) assigned_address_t;
+
+#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
+/* coreboot version */
+
+static void
+biosemu_dev_get_addr_info(void)
+{
+#if 0
+	int taa_index = 0;
+	struct resource *r;
+	u8 bus = bios_device.dev->bus->secondary;
+	u16 devfn = bios_device.dev->path.pci.devfn;
+
+	bios_device.bus =  bus;
+	bios_device.devfn = devfn;
+
+	DEBUG_PRINTF("bus: %x, devfn: %x\n", bus, devfn);
+	for (r = bios_device.dev->resource_list; r; r = r->next) {
+		translate_address_array[taa_index].info = r->flags;
+		translate_address_array[taa_index].bus = bus;
+		translate_address_array[taa_index].devfn = devfn;
+		translate_address_array[taa_index].cfg_space_offset =
+		    r->index;
+		translate_address_array[taa_index].address = r->base;
+		translate_address_array[taa_index].size = r->size;
+		/* don't translate addresses... all addresses are 1:1 */
+		translate_address_array[taa_index].address_offset = 0;
+		taa_index++;
+	}
+	/* Expansion ROM */
+	translate_address_array[taa_index].info = IORESOURCE_MEM | IORESOURCE_READONLY;
+	translate_address_array[taa_index].bus = bus;
+	translate_address_array[taa_index].devfn = devfn;
+	translate_address_array[taa_index].cfg_space_offset = 0x30;
+	translate_address_array[taa_index].address = bios_device.img_addr;
+	translate_address_array[taa_index].size = 0; /* TODO: do we need the size? */
+	/* don't translate addresses... all addresses are 1:1 */
+	translate_address_array[taa_index].address_offset = 0;
+	taa_index++;
+	/* legacy ranges if its a VGA card... */
+	if ((bios_device.dev->class & 0xFF0000) == 0x030000) {
+		DEBUG_PRINTF("%s: VGA device found, adding legacy resources... \n", __func__);
+		/* I/O 0x3B0-0x3BB */
+		translate_address_array[taa_index].info = IORESOURCE_FIXED | IORESOURCE_IO;
+		translate_address_array[taa_index].bus = bus;
+		translate_address_array[taa_index].devfn = devfn;
+		translate_address_array[taa_index].cfg_space_offset = 0;
+		translate_address_array[taa_index].address = 0x3b0;
+		translate_address_array[taa_index].size = 0xc;
+		/* don't translate addresses... all addresses are 1:1 */
+		translate_address_array[taa_index].address_offset = 0;
+		taa_index++;
+		/* I/O 0x3C0-0x3DF */
+		translate_address_array[taa_index].info = IORESOURCE_FIXED | IORESOURCE_IO;
+		translate_address_array[taa_index].bus = bus;
+		translate_address_array[taa_index].devfn = devfn;
+		translate_address_array[taa_index].cfg_space_offset = 0;
+		translate_address_array[taa_index].address = 0x3c0;
+		translate_address_array[taa_index].size = 0x20;
+		/* don't translate addresses... all addresses are 1:1 */
+		translate_address_array[taa_index].address_offset = 0;
+		taa_index++;
+		/* Mem 0xA0000-0xBFFFF */
+		translate_address_array[taa_index].info = IORESOURCE_FIXED | IORESOURCE_MEM;
+		translate_address_array[taa_index].bus = bus;
+		translate_address_array[taa_index].devfn = devfn;
+		translate_address_array[taa_index].cfg_space_offset = 0;
+		translate_address_array[taa_index].address = 0xa0000;
+		translate_address_array[taa_index].size = 0x20000;
+		/* don't translate addresses... all addresses are 1:1 */
+		translate_address_array[taa_index].address_offset = 0;
+		taa_index++;
+	}
+	// store last entry index of translate_address_array
+	taa_last_entry = taa_index - 1;
+#if CONFIG_X86EMU_DEBUG
+	//dump translate_address_array
+	printf("translate_address_array: \n");
+	translate_address_t ta;
+	int i;
+	for (i = 0; i <= taa_last_entry; i++) {
+		ta = translate_address_array[i];
+		printf
+		    ("%d: info: %08lx bus: %02x devfn: %02x cfg_space_offset: %02x\n\taddr: %016llx\n\toffs: %016llx\n\tsize: %016llx\n",
+		     i, ta.info, ta.bus, ta.devfn, ta.cfg_space_offset,
+		     ta.address, ta.address_offset, ta.size);
+	}
+#endif
+#endif
+}
+#else
+// use translate_address_dev and get_puid from net-snk's net_support.c
+void translate_address_dev(u64 *, phandle_t);
+u64 get_puid(phandle_t node);
+
+
+// scan all addresses assigned to the device ("assigned-addresses" and "reg")
+// store in translate_address_array for faster translation using dev_translate_address
+void
+biosemu_dev_get_addr_info(void)
+{
+	// get bus/dev/fn from assigned-addresses
+	int32_t len;
+	//max. 6 BARs and 1 Exp.ROM plus CfgSpace and 3 legacy ranges
+	assigned_address_t buf[11];
+	len =
+	    of_getprop(bios_device.phandle, "assigned-addresses", buf,
+		       sizeof(buf));
+	bios_device.bus = buf[0].bus;
+	bios_device.devfn = buf[0].devfn;
+	DEBUG_PRINTF("bus: %x, devfn: %x\n", bios_device.bus,
+		     bios_device.devfn);
+	//store address translations for all assigned-addresses and regs in
+	//translate_address_array for faster translation later on...
+	int i = 0;
+	// index to insert data into translate_address_array
+	int taa_index = 0;
+	u64 address_offset;
+	for (i = 0; i < (len / sizeof(assigned_address_t)); i++, taa_index++) {
+		//copy all info stored in assigned-addresses
+		translate_address_array[taa_index].info = buf[i].info;
+		translate_address_array[taa_index].bus = buf[i].bus;
+		translate_address_array[taa_index].devfn = buf[i].devfn;
+		translate_address_array[taa_index].cfg_space_offset =
+		    buf[i].cfg_space_offset;
+		translate_address_array[taa_index].address = buf[i].address;
+		translate_address_array[taa_index].size = buf[i].size;
+		// translate first address and store it as address_offset
+		address_offset = buf[i].address;
+		translate_address_dev(&address_offset, bios_device.phandle);
+		translate_address_array[taa_index].address_offset =
+		    address_offset - buf[i].address;
+	}
+	//get "reg" property
+	len = of_getprop(bios_device.phandle, "reg", buf, sizeof(buf));
+	for (i = 0; i < (len / sizeof(assigned_address_t)); i++) {
+		if ((buf[i].size == 0) || (buf[i].cfg_space_offset != 0)) {
+			// we don't care for ranges with size 0 and
+			// BARs and Expansion ROM must be in assigned-addresses... so in reg
+			// we only look for those without config space offset set...
+			// i.e. the legacy ranges
+			continue;
+		}
+		//copy all info stored in assigned-addresses
+		translate_address_array[taa_index].info = buf[i].info;
+		translate_address_array[taa_index].bus = buf[i].bus;
+		translate_address_array[taa_index].devfn = buf[i].devfn;
+		translate_address_array[taa_index].cfg_space_offset =
+		    buf[i].cfg_space_offset;
+		translate_address_array[taa_index].address = buf[i].address;
+		translate_address_array[taa_index].size = buf[i].size;
+		// translate first address and store it as address_offset
+		address_offset = buf[i].address;
+		translate_address_dev(&address_offset, bios_device.phandle);
+		translate_address_array[taa_index].address_offset =
+		    address_offset - buf[i].address;
+		taa_index++;
+	}
+	// store last entry index of translate_address_array
+	taa_last_entry = taa_index - 1;
+#if CONFIG_X86EMU_DEBUG
+	//dump translate_address_array
+	printf("translate_address_array: \n");
+	translate_address_t ta;
+	for (i = 0; i <= taa_last_entry; i++) {
+		ta = translate_address_array[i];
+		printf
+		    ("%d: %02x%02x%02x%02x\n\taddr: %016llx\n\toffs: %016llx\n\tsize: %016llx\n",
+		     i, ta.info, ta.bus, ta.devfn, ta.cfg_space_offset,
+		     ta.address, ta.address_offset, ta.size);
+	}
+#endif
+}
+#endif
+
+// "special memory" is a hack to make some parts of memory fall through to real memory
+// (ie. no translation). Necessary if option ROMs attempt DMA there, map registers or
+// do similarly crazy things.
+void
+biosemu_add_special_memory(u32 start, u32 size)
+{
+#if 0
+	int taa_index = ++taa_last_entry;
+	translate_address_array[taa_index].info = IORESOURCE_FIXED | IORESOURCE_MEM;
+	translate_address_array[taa_index].bus = 0;
+	translate_address_array[taa_index].devfn = 0;
+	translate_address_array[taa_index].cfg_space_offset = 0;
+	translate_address_array[taa_index].address = start;
+	translate_address_array[taa_index].size = size;
+	/* don't translate addresses... all addresses are 1:1 */
+	translate_address_array[taa_index].address_offset = 0;
+#endif
+	printf("TODO: Add special memory handler for %x[%x]\n", start, size);
+}
+
+#if !CONFIG_PCI_OPTION_ROM_RUN_YABEL
+// to simulate accesses to legacy VGA Memory (0xA0000-0xBFFFF)
+// we look for the first prefetchable memory BAR, if no prefetchable BAR found,
+// we use the first memory BAR
+// dev_translate_addr will translate accesses to the legacy VGA Memory into the found vmem BAR
+static void
+biosemu_dev_find_vmem_addr(void)
+{
+	int i = 0;
+	translate_address_t ta;
+	s8 tai_np = -1, tai_p = -1;	// translate_address_array index for non-prefetchable and prefetchable memory
+	//search backwards to find first entry
+	for (i = taa_last_entry; i >= 0; i--) {
+		ta = translate_address_array[i];
+		if ((ta.cfg_space_offset >= 0x10)
+		    && (ta.cfg_space_offset <= 0x24)) {
+			//only BARs
+			if ((ta.info & 0x03) >= 0x02) {
+				//32/64bit memory
+				tai_np = i;
+				if ((ta.info & 0x40) != 0) {
+					// prefetchable
+					tai_p = i;
+				}
+			}
+		}
+	}
+	if (tai_p != -1) {
+		ta = translate_address_array[tai_p];
+		bios_device.vmem_addr = ta.address;
+		bios_device.vmem_size = ta.size;
+		DEBUG_PRINTF
+		    ("%s: Found prefetchable Virtual Legacy Memory BAR: %llx, size: %llx\n",
+		     __func__, bios_device.vmem_addr,
+		     bios_device.vmem_size);
+	} else if (tai_np != -1) {
+		ta = translate_address_array[tai_np];
+		bios_device.vmem_addr = ta.address;
+		bios_device.vmem_size = ta.size;
+		DEBUG_PRINTF
+		    ("%s: Found non-prefetchable Virtual Legacy Memory BAR: %llx, size: %llx",
+		     __func__, bios_device.vmem_addr,
+		     bios_device.vmem_size);
+	}
+	// disable vmem
+	//bios_device.vmem_size = 0;
+}
+
+void
+biosemu_dev_get_puid(void)
+{
+	// get puid
+	bios_device.puid = get_puid(bios_device.phandle);
+	DEBUG_PRINTF("puid: 0x%llx\n", bios_device.puid);
+}
+#endif
+
+static void
+biosemu_dev_get_device_vendor_id(void)
+{
+
+	u32 pci_config_0;
+#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
+	pci_config_0 = pci_read_config32(bios_device.dev, 0x0);
+#else
+	pci_config_0 =
+	    rtas_pci_config_read(bios_device.puid, 4, bios_device.bus,
+				 bios_device.devfn, 0x0);
+#endif
+	bios_device.pci_device_id =
+	    (u16) ((pci_config_0 & 0xFFFF0000) >> 16);
+	bios_device.pci_vendor_id = (u16) (pci_config_0 & 0x0000FFFF);
+	DEBUG_PRINTF("PCI Device ID: %04x, PCI Vendor ID: %x\n",
+		     bios_device.pci_device_id, bios_device.pci_vendor_id);
+}
+
+/* Check whether the device has a valid Expansion ROM and search the PCI Data
+ * Structure and any Expansion ROM Header (using dev_scan_exp_header()) for
+ * needed information.  If the rom_addr parameter is != 0, it is the address of
+ * the Expansion ROM image and will be used, if it is == 0, the Expansion ROM
+ * BAR address will be used.
+ */
+u8
+biosemu_dev_check_exprom(unsigned long rom_base_addr)
+{
+#if 0
+	int i = 0;
+	translate_address_t ta;
+	u16 pci_ds_offset;
+	pci_data_struct_t pci_ds;
+	if (rom_base_addr == 0) {
+		// check for ExpROM Address (Offset 30) in taa
+		for (i = 0; i <= taa_last_entry; i++) {
+			ta = translate_address_array[i];
+			if (ta.cfg_space_offset == 0x30) {
+				//translated address
+				rom_base_addr = ta.address + ta.address_offset;
+				break;
+			}
+		}
+	}
+	/* In the ROM there could be multiple Expansion ROM Images... start
+	 * searching them for an x86 image.
+	 */
+	do {
+		if (rom_base_addr == 0) {
+			printf("Error: no Expansion ROM address found!\n");
+			return -1;
+		}
+		set_ci();
+		u16 rom_signature = in16le((void *) rom_base_addr);
+		clr_ci();
+		if (rom_signature != 0xaa55) {
+			printf
+			    ("Error: invalid Expansion ROM signature: %02x!\n",
+			     *((u16 *) rom_base_addr));
+			return -1;
+		}
+		set_ci();
+		// at offset 0x18 is the (16bit little-endian) pointer to the PCI Data Structure
+		pci_ds_offset = in16le((void *) (rom_base_addr + 0x18));
+		//copy the PCI Data Structure
+		memcpy(&pci_ds, (void *) (rom_base_addr + pci_ds_offset),
+		       sizeof(pci_ds));
+		clr_ci();
+#if CONFIG_X86EMU_DEBUG
+		DEBUG_PRINTF("PCI Data Structure @%lx:\n",
+			     rom_base_addr + pci_ds_offset);
+		dump((void *) &pci_ds, sizeof(pci_ds));
+#endif
+		if (strncmp((const char *) pci_ds.signature, "PCIR", 4) != 0) {
+			printf("Invalid PCI Data Structure found!\n");
+			break;
+		}
+		//little-endian conversion
+		pci_ds.vendor_id = in16le(&pci_ds.vendor_id);
+		pci_ds.device_id = in16le(&pci_ds.device_id);
+		pci_ds.img_length = in16le(&pci_ds.img_length);
+		pci_ds.pci_ds_length = in16le(&pci_ds.pci_ds_length);
+#ifdef DO_THIS_TEST_TWICE
+		if (pci_ds.vendor_id != bios_device.pci_vendor_id) {
+			printf
+			    ("Image has invalid Vendor ID: %04x, expected: %04x\n",
+			     pci_ds.vendor_id, bios_device.pci_vendor_id);
+			break;
+		}
+		if (pci_ds.device_id != bios_device.pci_device_id) {
+			printf
+			    ("Image has invalid Device ID: %04x, expected: %04x\n",
+			     pci_ds.device_id, bios_device.pci_device_id);
+			break;
+		}
+#endif
+		DEBUG_PRINTF("Image Length: %d\n", pci_ds.img_length * 512);
+		DEBUG_PRINTF("Image Code Type: %d\n", pci_ds.code_type);
+		if (pci_ds.code_type == 0) {
+			//x86 image
+			//store image address and image length in bios_device struct
+			bios_device.img_addr = rom_base_addr;
+			bios_device.img_size = pci_ds.img_length * 512;
+			// we found the image, exit the loop
+			break;
+		} else {
+			// no x86 image, check next image (if any)
+			rom_base_addr += pci_ds.img_length * 512;
+		}
+		if ((pci_ds.indicator & 0x80) == 0x80) {
+			//last image found, exit the loop
+			DEBUG_PRINTF("Last PCI Expansion ROM Image found.\n");
+			break;
+		}
+	}
+	while (bios_device.img_addr == 0);
+	// in case we did not find a valid x86 Expansion ROM Image
+	if (bios_device.img_addr == 0) {
+		printf("Error: no valid x86 Expansion ROM Image found!\n");
+		return -1;
+	}
+#endif
+	return 0;
+
+}
+
+u8
+biosemu_dev_init(struct device * device)
+{
+	u8 rval = 0;
+	//init bios_device struct
+	DEBUG_PRINTF("%s\n", __func__);
+	memset(&bios_device, 0, sizeof(bios_device));
+
+#if !CONFIG_PCI_OPTION_ROM_RUN_YABEL
+	bios_device.ihandle = of_open(device_name);
+	if (bios_device.ihandle == 0) {
+		DEBUG_PRINTF("%s is no valid device!\n", device_name);
+		return -1;
+	}
+	bios_device.phandle = of_finddevice(device_name);
+#else
+	bios_device.dev = device;
+#endif
+	biosemu_dev_get_addr_info();
+#if !CONFIG_PCI_OPTION_ROM_RUN_YABEL
+	biosemu_dev_find_vmem_addr();
+	biosemu_dev_get_puid();
+#endif
+	biosemu_dev_get_device_vendor_id();
+	return rval;
+}
+
+// translate address function using translate_address_array assembled
+// by dev_get_addr_info... MUCH faster than calling translate_address_dev
+// and accessing client interface for every translation...
+// returns: 0 if addr not found in translate_address_array, 1 if found.
+u8
+biosemu_dev_translate_address(int type, unsigned long * addr)
+{
+	int i = 0;
+	translate_address_t ta;
+#if !CONFIG_PCI_OPTION_ROM_RUN_YABEL
+	/* we don't need this hack for coreboot... we can access legacy areas */
+	//check if it is an access to legacy VGA Mem... if it is, map the address
+	//to the vmem BAR and then translate it...
+	// (translation info provided by Ben Herrenschmidt)
+	// NOTE: the translation seems to only work for NVIDIA cards... but it is needed
+	// to make some NVIDIA cards work at all...
+	if ((bios_device.vmem_size > 0)
+	    && ((*addr >= 0xA0000) && (*addr < 0xB8000))) {
+		*addr = (*addr - 0xA0000) * 4 + 2 + bios_device.vmem_addr;
+	}
+	if ((bios_device.vmem_size > 0)
+	    && ((*addr >= 0xB8000) && (*addr < 0xC0000))) {
+		u8 shift = *addr & 1;
+		*addr &= 0xfffffffe;
+		*addr = (*addr - 0xB8000) * 4 + shift + bios_device.vmem_addr;
+	}
+#endif
+	for (i = 0; i <= taa_last_entry; i++) {
+		ta = translate_address_array[i];
+		if ((*addr >= ta.address) && (*addr <= (ta.address + ta.size)) && (ta.info & type)) {
+			*addr += ta.address_offset;
+			return 1;
+		}
+	}
+	return 0;
+}
diff --git a/util/vgabios/helper_exec.c b/util/vgabios/helper_exec.c
deleted file mode 100644
index 4d6aae5a7c..0000000000
--- a/util/vgabios/helper_exec.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/helper_exec.c,v 1.16 2001/04/30 14:34:57 tsi Exp $ */
-/*
- *                   XFree86 int10 module
- *   execute BIOS int 10h calls in x86 real mode environment
- *                 Copyright 1999 Egbert Eich
- *
- *   Part of this is based on code taken from DOSEMU
- *   (C) Copyright 1992, ..., 1999 the "DOSEMU-Development-Team"
- */
-
-/*
- * To debug port accesses define PRINT_PORT.
- * Note! You also have to comment out ioperm()
- * in xf86EnableIO(). Otherwise we won't trap
- * on PIO.
- */
-#include <sys/io.h>
-#include <sys/time.h>
-#include <stdio.h>
-#include <stdtypes.h>
-#include <x86emu/x86emu.h>
-#include "helper_exec.h"
-#include "testbios.h"
-
-/* general software interrupt handler */
-u32 getIntVect(int num)
-{
-	return MEM_RW(num << 2) + (MEM_RW((num << 2) + 2) << 4);
-}
-
-void pushw(u16 val)
-{
-	X86_ESP -= 2;
-	MEM_WW(((u32) X86_SS << 4) + X86_SP, val);
-}
-
-int run_bios_int(int num)
-{
-	u32 eflags;
-
-	eflags = X86_EFLAGS;
-	pushw(eflags);
-	pushw(X86_CS);
-	pushw(X86_IP);
-	X86_CS = MEM_RW((num << 2) + 2);
-	X86_IP = MEM_RW(num << 2);
-
-	printf("%s: INT %x CS:IP = %x:%x\n", __FUNCTION__,
-	       num, MEM_RW((num << 2) + 2), MEM_RW(num << 2));
-
-	return 1;
-}
-
-#if 0
-
-int port_rep_inb(u16 port, u32 base, int d_f, u32 count)
-{
-	register int inc = d_f ? -1 : 1;
-	u32 dst = base;
-	while (count--) {
-		MEM_WB(dst, x_inb(port));
-		dst += inc;
-	}
-	return dst - base;
-}
-
-int port_rep_inw(u16 port, u32 base, int d_f, u32 count)
-{
-	register int inc = d_f ? -2 : 2;
-	u32 dst = base;
-	while (count--) {
-		MEM_WW(dst, x_inw(port));
-		dst += inc;
-	}
-	return dst - base;
-}
-
-int port_rep_inl(u16 port, u32 base, int d_f, u32 count)
-{
-	register int inc = d_f ? -4 : 4;
-	u32 dst = base;
-	while (count--) {
-		MEM_WL(dst, x_inl(port));
-		dst += inc;
-	}
-	return dst - base;
-}
-
-int port_rep_outb(u16 port, u32 base, int d_f, u32 count)
-{
-	register int inc = d_f ? -1 : 1;
-	u32 dst = base;
-	while (count--) {
-		x_outb(port, MEM_RB(dst));
-		dst += inc;
-	}
-	return dst - base;
-}
-
-int port_rep_outw(u16 port, u32 base, int d_f, u32 count)
-{
-	register int inc = d_f ? -2 : 2;
-	u32 dst = base;
-	while (count--) {
-		x_outw(port, MEM_RW(dst));
-		dst += inc;
-	}
-	return dst - base;
-}
-
-int port_rep_outl(u16 port, u32 base, int d_f, u32 count)
-{
-	register int inc = d_f ? -4 : 4;
-	u32 dst = base;
-	while (count--) {
-		x_outl(port, MEM_RL(dst));
-		dst += inc;
-	}
-	return dst - base;
-}
-
-#endif
-
-u8 x_inb(u16 port)
-{
-	u8 val;
-
-	val = inb(port);
-
-	printf("inb(0x%04x) = 0x%02x\n", port, val);
-
-	return val;
-}
-
-u16 x_inw(u16 port)
-{
-	u16 val;
-
-	val = inw(port);
-
-	printf("inw(0x%04x) = 0x%04x\n", port, val);
-	return val;
-}
-
-u32 x_inl(u16 port)
-{
-	u32 val;
-
-	val = inl(port);
-
-	printf("inl(0x%04x) = 0x%08x\n", port, val);
-	return val;
-}
-
-void x_outb(u16 port, u8 val)
-{
-	printf("outb(0x%02x, 0x%04x)\n",
-		 val, port);
-	outb(val, port);
-}
-
-void x_outw(u16 port, u16 val)
-{
-	printf("outw(0x%04x, 0x%04x)\n", val, port);
-	outw(val, port);
-}
-
-void x_outl(u16 port, u32 val)
-{
-	printf("outl(0x%08x, 0x%04x)\n", val, port);
-	outl(val, port);
-}
-
-#if 0
-u8 Mem_rb(int addr)
-{
-	return (*current->mem->rb) (current, addr);
-}
-
-u16 Mem_rw(int addr)
-{
-	return (*current->mem->rw) (current, addr);
-}
-
-u32 Mem_rl(int addr)
-{
-	return (*current->mem->rl) (current, addr);
-}
-
-void Mem_wb(int addr, u8 val)
-{
-	(*current->mem->wb) (current, addr, val);
-}
-
-void Mem_ww(int addr, u16 val)
-{
-	(*current->mem->ww) (current, addr, val);
-}
-
-void Mem_wl(int addr, u32 val)
-{
-	(*current->mem->wl) (current, addr, val);
-}
-#endif
-
-void getsecs(unsigned long *sec, unsigned long *usec)
-{
-	struct timeval tv;
-	gettimeofday(&tv, 0);
-	*sec = tv.tv_sec;
-	*usec = tv.tv_usec;
-}
-
-#define TAG(Cfg1Addr) (Cfg1Addr & 0xffff00)
-#define OFFSET(Cfg1Addr) (Cfg1Addr & 0xff)
-
-u8 bios_checksum(u8 * start, int size)
-{
-	u8 sum = 0;
-
-	while (size-- > 0)
-		sum += *start++;
-	return sum;
-}
-
-/*
- * Lock/Unlock legacy VGA. Some Bioses try to be very clever and make
- * an attempt to detect a legacy ISA card. If they find one they might
- * act very strange: for example they might configure the card as a
- * monochrome card. This might cause some drivers to choke.
- * To avoid this we attempt legacy VGA by writing to all know VGA
- * disable registers before we call the BIOS initialization and
- * restore the original values afterwards. In beween we hold our
- * breath. To get to a (possibly exising) ISA card need to disable
- * our current PCI card.
- */
-/*
- * This is just for booting: we just want to catch pure
- * legacy vga therefore we don't worry about mmio etc.
- * This stuff should really go into vgaHW.c. However then
- * the driver would have to load the vga-module prior to
- * doing int10.
- */
-/*void
-LockLegacyVGA(int screenIndex,legacyVGAPtr vga)
-{
-    xf86SetCurrentAccess(FALSE, xf86Screens[screenIndex]);
-    vga->save_msr = inb(0x3CC);
-    vga->save_vse = inb(0x3C3);
-    vga->save_46e8 = inb(0x46e8);
-    vga->save_pos102 = inb(0x102);
-    outb(0x3C2, ~(u8)0x03 & vga->save_msr);
-    outb(0x3C3, ~(u8)0x01 & vga->save_vse);
-    outb(0x46e8, ~(u8)0x08 & vga->save_46e8);
-    outb(0x102, ~(u8)0x01 & vga->save_pos102);
-    xf86SetCurrentAccess(TRUE, xf86Screens[screenIndex]);
-}
-
-void
-UnlockLegacyVGA(int screenIndex, legacyVGAPtr vga)
-{
-    xf86SetCurrentAccess(FALSE, xf86Screens[screenIndex]);
-    outb(0x102, vga->save_pos102);
-    outb(0x46e8, vga->save_46e8);
-    outb(0x3C3, vga->save_vse);
-    outb(0x3C2, vga->save_msr);
-    xf86SetCurrentAccess(TRUE, xf86Screens[screenIndex]);
-}
-*/
diff --git a/util/vgabios/helper_exec.h b/util/vgabios/helper_exec.h
deleted file mode 100644
index 7115ffbf02..0000000000
--- a/util/vgabios/helper_exec.h
+++ /dev/null
@@ -1,32 +0,0 @@
-#ifndef __HELPER_EXEC_H__
-#define __HELPER_EXEC_H__
-
-u32 getIntVect(int num);
-int run_bios_int(int num);
-void pushw(u16 val);
-
-int port_rep_inb(u16 port, u32 base, int d_f, u32 count);
-int port_rep_inw(u16 port, u32 base, int d_f, u32 count);
-int port_rep_inl(u16 port, u32 base, int d_f, u32 count);
-int port_rep_outb(u16 port, u32 base, int d_f, u32 count);
-int port_rep_outw(u16 port, u32 base, int d_f, u32 count);
-int port_rep_outl(u16 port, u32 base, int d_f, u32 count);
-
-u8 x_inb(u16 port);
-u16 x_inw(u16 port);
-void x_outb(u16 port, u8 val);
-void x_outw(u16 port, u16 val);
-u32 x_inl(u16 port);
-void x_outl(u16 port, u32 val);
-
-u8 Mem_rb(int addr);
-u16 Mem_rw(int addr);
-u32 Mem_rl(int addr);
-
-void Mem_wb(int addr, u8 val);
-void Mem_ww(int addr, u16 val);
-void Mem_wl(int addr, u32 val);
-void getsecs(unsigned long *sec, unsigned long *usec);
-u8 bios_checksum(u8 * start, int size);
-
-#endif
diff --git a/util/vgabios/helper_mem.c b/util/vgabios/helper_mem.c
deleted file mode 100644
index 50a303b45e..0000000000
--- a/util/vgabios/helper_mem.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/helper_mem.c,v 1.21 2001/05/22 16:24:37 tsi Exp $ */
-/*
- *                   XFree86 int10 module
- *   execute BIOS int 10h calls in x86 real mode environment
- *                 Copyright 1999 Egbert Eich
- */
-#include <stdio.h>
-
-#define _INT10_PRIVATE
-
-#define REG pInt
-#if 0
-typedef enum {
-	OPT_NOINT10,
-	OPT_INIT_PRIMARY,
-	OPT_BIOS_LOCATION
-} INT10Opts;
-
-static const OptionInfoRec INT10Options[] = {
-	{OPT_NOINT10, "NoINT10", OPTV_BOOLEAN, {0}, FALSE},
-	{OPT_INIT_PRIMARY, "InitPrimary", OPTV_BOOLEAN, {0}, FALSE},
-	{OPT_BIOS_LOCATION, "BiosLocation", OPTV_STRING, {0}, FALSE},
-	{-1, NULL, OPTV_NONE, {0}, FALSE},
-};
-#endif
-
-#ifdef DEBUG
-void dprint(unsigned long start, unsigned long size)
-{
-	int i, j;
-	char *c = (char *) start;
-
-	for (j = 0; j < (size >> 4); j++) {
-		char *d = c;
-		printf("\n0x%lx:  ", (unsigned long) c);
-		for (i = 0; i < 16; i++)
-			printf("%2.2x ", (unsigned char) (*(c++)));
-		c = d;
-		for (i = 0; i < 16; i++) {
-			printf("%c", ((((unsigned char) (*c)) > 32) && (((unsigned char) (*c)) < 128)) ?
-			       (unsigned char) (*(c)) : '.');
-			c++;
-		}
-	}
-	printf("\n");
-}
-#endif /* DEBUG */
-
-#if 0
-#ifndef _PC
-/*
- * here we are really paranoid about faking a "real"
- * BIOS. Most of this information was pulled from
- * dosemu.
- */
-void setup_int_vect(void)
-{
-	int i;
-
-	/* let the int vects point to the SYS_BIOS seg */
-	for (i = 0; i < 0x80; i++) {
-		MEM_WW(i << 2, 0);
-		MEM_WW((i << 2) + 2, SYS_BIOS >> 4);
-	}
-
-	reset_int_vect(current);
-	/* font tables default location (int 1F) */
-	MEM_WW(0x1f << 2, 0xfa6e);
-
-	/* int 11 default location (Get Equipment Configuration) */
-	MEM_WW(0x11 << 2, 0xf84d);
-	/* int 12 default location (Get Conventional Memory Size) */
-	MEM_WW(0x12 << 2, 0xf841);
-	/* int 15 default location (I/O System Extensions) */
-	MEM_WW(0x15 << 2, 0xf859);
-	/* int 1A default location (RTC, PCI and others) */
-	MEM_WW(0x1a << 2, 0xff6e);
-	/* int 05 default location (Bound Exceeded) */
-	MEM_WW(0x05 << 2, 0xff54);
-	/* int 08 default location (Double Fault) */
-	MEM_WW(0x08 << 2, 0xfea5);
-	/* int 13 default location (Disk) */
-	MEM_WW(0x13 << 2, 0xec59);
-	/* int 0E default location (Page Fault) */
-	MEM_WW(0x0e << 2, 0xef57);
-	/* int 17 default location (Parallel Port) */
-	MEM_WW(0x17 << 2, 0xefd2);
-	/* fdd table default location (int 1e) */
-	MEM_WW(0x1e << 2, 0xefc7);
-
-	/* Set Equipment flag to VGA */
-	i = MEM_RB(0x0410) & 0xCF;
-	MEM_WB(0x0410, i);
-	/* XXX Perhaps setup more of the BDA here.  See also int42(0x00). */
-}
-#endif
-
-int setup_system_bios(void *base_addr)
-{
-	char *base = (char *) base_addr;
-
-	/*
-	 * we trap the "industry standard entry points" to the BIOS
-	 * and all other locations by filling them with "hlt"
-	 * TODO: implement hlt-handler for these
-	 */
-	memset(base, 0xf4, 0x10000);
-
-	/* set bios date */
-	strcpy(base + 0x0FFF5, "06/11/99");
-	/* set up eisa ident string */
-	strcpy(base + 0x0FFD9, "PCI_ISA");
-	/* write system model id for IBM-AT */
-	*((unsigned char *) (base + 0x0FFFE)) = 0xfc;
-
-	return 1;
-}
-
-void reset_int_vect(void)
-{
-	/*
-	 * This table is normally located at 0xF000:0xF0A4.  However, int 0x42,
-	 * function 0 (Mode Set) expects it (or a copy) somewhere in the bottom
-	 * 64kB.  Note that because this data doesn't survive POST, int 0x42 should
-	 * only be used during EGA/VGA BIOS initialisation.
-	 */
-	static const unsigned char VideoParms[] = {
-		/* Timing for modes 0x00 & 0x01 */
-		0x38, 0x28, 0x2d, 0x0a, 0x1f, 0x06, 0x19, 0x1c,
-		0x02, 0x07, 0x06, 0x07, 0x00, 0x00, 0x00, 0x00,
-		/* Timing for modes 0x02 & 0x03 */
-		0x71, 0x50, 0x5a, 0x0a, 0x1f, 0x06, 0x19, 0x1c,
-		0x02, 0x07, 0x06, 0x07, 0x00, 0x00, 0x00, 0x00,
-		/* Timing for modes 0x04, 0x05 & 0x06 */
-		0x38, 0x28, 0x2d, 0x0a, 0x7f, 0x06, 0x64, 0x70,
-		0x02, 0x01, 0x06, 0x07, 0x00, 0x00, 0x00, 0x00,
-		/* Timing for mode 0x07 */
-		0x61, 0x50, 0x52, 0x0f, 0x19, 0x06, 0x19, 0x19,
-		0x02, 0x0d, 0x0b, 0x0c, 0x00, 0x00, 0x00, 0x00,
-		/* Display page lengths in little endian order */
-		0x00, 0x08,	/* Modes 0x00 and 0x01 */
-		0x00, 0x10,	/* Modes 0x02 and 0x03 */
-		0x00, 0x40,	/* Modes 0x04 and 0x05 */
-		0x00, 0x40,	/* Modes 0x06 and 0x07 */
-		/* Number of columns for each mode */
-		40, 40, 80, 80, 40, 40, 80, 80,
-		/* CGA Mode register value for each mode */
-		0x2c, 0x28, 0x2d, 0x29, 0x2a, 0x2e, 0x1e, 0x29,
-		/* Padding */
-		0x00, 0x00, 0x00, 0x00
-	};
-	int i;
-
-	for (i = 0; i < sizeof(VideoParms); i++)
-		MEM_WB(i + (0x1000 - sizeof(VideoParms)), VideoParms[i]);
-	MEM_WW(0x1d << 2, 0x1000 - sizeof(VideoParms));
-	MEM_WW((0x1d << 2) + 2, 0);
-
-	printf("SETUP INT\n");
-	MEM_WW(0x10 << 2, 0xf065);
-	MEM_WW((0x10 << 2) + 2, SYS_BIOS >> 4);
-	MEM_WW(0x42 << 2, 0xf065);
-	MEM_WW((0x42 << 2) + 2, SYS_BIOS >> 4);
-	MEM_WW(0x6D << 2, 0xf065);
-	MEM_WW((0x6D << 2) + 2, SYS_BIOS >> 4);
-}
-
-void set_return_trap(void)
-{
-	/*
-	 * Here we set the exit condition:  We return when we encounter
-	 * 'hlt' (=0xf4), which we locate at address 0x600 in x86 memory.
-	 */
-	MEM_WB(0x0600, 0xf4);
-
-	/*
-	 * Allocate a segment for the stack
-	 */
-	xf86Int10AllocPages(1, current->stackseg);
-}
-
-void *xf86HandleInt10Options(ScrnInfoPtr pScrn, int entityIndex)
-{
-	EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
-	OptionInfoPtr options = NULL;
-
-	if (pEnt->device) {
-		pointer configOptions = NULL;
-
-		/* Check if xf86CollectOptions() has already been called */
-		if (((pEnt->index < 0) ||
-		     !xf86Screens[pEnt->index] ||
-		     !(configOptions = xf86Screens[pEnt->index]->options)) &&
-		    pEnt->device)
-			configOptions = pEnt->device->options;
-
-		if (configOptions) {
-			if (!(options = (OptionInfoPtr) xalloc(sizeof(INT10Options))))
-				return NULL;
-
-			(void) memcpy(options, INT10Options, sizeof(INT10Options));
-			xf86ProcessOptions(pScrn->scrnIndex, configOptions, options);
-		}
-	}
-	xfree(pEnt);
-
-	return options;
-}
-
-Bool int10skip(void *options)
-{
-	Bool noint10 = FALSE;
-
-	if (!options)
-		return FALSE;
-
-	xf86GetOptValBool(options, OPT_NOINT10, &noint10);
-	return noint10;
-}
-
-Bool int10_check_bios(int scrnIndex, int codeSeg, unsigned char *vbiosMem)
-{
-	int size;
-
-	if ((codeSeg & 0x1f) ||	/* Not 512-byte aligned otherwise */
-	    ((codeSeg << 4) < V_BIOS) || ((codeSeg << 4) >= SYS_SIZE))
-		return FALSE;
-
-	if (xf86IsPc98())
-		return FALSE;
-
-	if ((*vbiosMem != 0x55) || (*(vbiosMem + 1) != 0xAA) || !*(vbiosMem + 2))
-		return FALSE;
-
-	size = *(vbiosMem + 2) * 512;
-
-	if ((size + (codeSeg << 4)) > SYS_SIZE)
-		return FALSE;
-
-	if (bios_checksum(vbiosMem, size))
-		xf86DrvMsg(scrnIndex, X_WARNING, "Bad V_BIOS checksum\n");
-
-	return TRUE;
-}
-
-Bool initPrimary(void *options)
-{
-	Bool initPrimary = FALSE;
-
-	if (!options)
-		return FALSE;
-
-	xf86GetOptValBool(options, OPT_INIT_PRIMARY, &initPrimary);
-	return initPrimary;
-}
-
-void xf86int10ParseBiosLocation(void *options, xf86int10BiosLocationPtr bios)
-{
-	char *s;
-	char *p;
-	char *str = NULL;
-
-	if (options)
-		str = xf86GetOptValString(options, OPT_BIOS_LOCATION);
-
-	bios->bus = BUS_NONE;
-	if (!str)
-		return;
-
-	s = xstrdup(str);
-	p = strtok(s, ":");
-	if (xf86NameCmp(p, "pci"))
-		bios->bus = BUS_PCI;
-	else if (xf86NameCmp(p, "primary"))
-		bios->bus = BUS_ISA;
-
-	xfree(s);
-
-	if (bios->bus == BUS_NONE)
-		return;
-
-	s = xstrdup(str);
-	p = strchr(s, ':');
-
-	switch (bios->bus) {
-	case BUS_ISA:
-		if (p)
-			bios->location.legacy = atoi(++p);
-		else
-			bios->location.legacy = 0;
-		break;
-	case BUS_PCI:
-		if (p) {
-			bios->location.pci.bus = atoi(++p);
-			if ((p = strchr(p, ':'))) {
-				bios->location.pci.dev = atoi(++p);
-				if ((p = strchr(p, ':'))) {
-					bios->location.pci.func = atoi(++p);
-					break;
-				}
-			}
-		}
-		/* fall through */
-		bios->bus = BUS_NONE;
-		break;
-	default:
-		break;
-	}
-	xfree(s);
-}
-
-
-#endif
diff --git a/util/vgabios/include/arch/byteorder.h b/util/vgabios/include/arch/byteorder.h
new file mode 100644
index 0000000000..fd29071b9d
--- /dev/null
+++ b/util/vgabios/include/arch/byteorder.h
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _BYTEORDER_H
+#define _BYTEORDER_H
+
+#define __LITTLE_ENDIAN 1234
+
+#define cpu_to_le16(x) ((uint16_t)(x))
+#define cpu_to_le32(x) ((uint32_t)(x))
+
+#endif /* _BYTEORDER_H */
diff --git a/util/vgabios/include/arch/io.h b/util/vgabios/include/arch/io.h
deleted file mode 100644
index f28499de93..0000000000
--- a/util/vgabios/include/arch/io.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef _ASM_IO_H
-#define _ASM_IO_H
-#include <sys/io.h>
-#endif
diff --git a/util/vgabios/include/config.h b/util/vgabios/include/config.h
new file mode 100644
index 0000000000..f5d568fff7
--- /dev/null
+++ b/util/vgabios/include/config.h
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#define CONFIG_PCI_OPTION_ROM_RUN_YABEL 1
+#define CONFIG_YABEL_PCI_ACCESS_OTHER_DEVICES 0
+#define CONFIG_YABEL_DIRECTHW 1
+
+#define CONFIG_X86EMU_DEBUG 1
+#define CONFIG_X86EMU_DEBUG_TIMINGS 0
+#define CONFIG_X86EMU_DEBUG_JMP 0
+#define CONFIG_X86EMU_DEBUG_TRACE 0
+#define CONFIG_X86EMU_DEBUG_PNP 0
+#define CONFIG_X86EMU_DEBUG_DISK 0
+#define CONFIG_X86EMU_DEBUG_PMM 0
+#define CONFIG_X86EMU_DEBUG_VBE 0
+#define CONFIG_X86EMU_DEBUG_INT10 0
+#define CONFIG_X86EMU_DEBUG_INTERRUPTS 0
+#define CONFIG_X86EMU_DEBUG_CHECK_VMEM_ACCESS 0
+#define CONFIG_X86EMU_DEBUG_MEM 0
+#define CONFIG_X86EMU_DEBUG_IO 0
+
+#define CONFIG_ARCH_X86 1
+#define CONFIG_ARCH_ARM 0
diff --git a/util/vgabios/include/console/console.h b/util/vgabios/include/console/console.h
index e52dbf7a97..443e3e8bb7 100644
--- a/util/vgabios/include/console/console.h
+++ b/util/vgabios/include/console/console.h
@@ -1,6 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
 #ifndef _CONSOLE_CONSOLE_H
 #define _CONSOLE_CONSOLE_H
-#define CONFIG_X86EMU_DEBUG 1
 
 int printk(int msg_level, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
+
 #endif
diff --git a/util/vgabios/include/stdtypes.h b/util/vgabios/include/stdtypes.h
index 62c254d8cf..05f37a5a8a 100644
--- a/util/vgabios/include/stdtypes.h
+++ b/util/vgabios/include/stdtypes.h
@@ -1,3 +1,18 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
 #ifndef _STDTYPES_H
 #define _STDTYPES_H
 
diff --git a/util/vgabios/include/swab.h b/util/vgabios/include/swab.h
new file mode 100644
index 0000000000..28d0b8abb2
--- /dev/null
+++ b/util/vgabios/include/swab.h
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SWAB_H
+#define _SWAB_H
+
+/*
+ * linux/byteorder/swab.h
+ * Byte-swapping, independently from CPU endianness
+ *	swabXX[ps]?(foo)
+ *
+ * Francois-Rene Rideau <fare@tunes.org> 19971205
+ *    separated swab functions from cpu_to_XX,
+ *    to clean up support for bizarre-endian architectures.
+ *
+ * See asm-i386/byteorder.h and such for examples of how to provide
+ * architecture-dependent optimized versions
+ *
+ */
+
+/* casts are necessary for constants, because we never know how for sure
+ * how U/UL/ULL map to __u16, __u32, __u64. At least not in a portable way.
+ */
+#define swab16(x) \
+	((unsigned short)( \
+		(((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \
+		(((unsigned short)(x) & (unsigned short)0xff00U) >> 8) ))
+
+#define swab32(x) \
+	((unsigned int)( \
+		(((unsigned int)(x) & (unsigned int)0x000000ffUL) << 24) | \
+		(((unsigned int)(x) & (unsigned int)0x0000ff00UL) <<  8) | \
+		(((unsigned int)(x) & (unsigned int)0x00ff0000UL) >>  8) | \
+		(((unsigned int)(x) & (unsigned int)0xff000000UL) >> 24) ))
+
+#define swab64(x) \
+	((uint64_t)( \
+		(((uint64_t)(x) & (uint64_t)0x00000000000000ffULL) << 56) | \
+		(((uint64_t)(x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
+		(((uint64_t)(x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
+		(((uint64_t)(x) & (uint64_t)0x00000000ff000000ULL) <<  8) | \
+		(((uint64_t)(x) & (uint64_t)0x000000ff00000000ULL) >>  8) | \
+		(((uint64_t)(x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
+		(((uint64_t)(x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
+		(((uint64_t)(x) & (uint64_t)0xff00000000000000ULL) >> 56) ))
+
+#endif /* _SWAB_H */
diff --git a/util/vgabios/int10.c b/util/vgabios/int10.c
deleted file mode 100644
index 21ba7fbfa7..0000000000
--- a/util/vgabios/int10.c
+++ /dev/null
@@ -1,476 +0,0 @@
-#include <stdio.h>
-#include <stdtypes.h>
-#include "testbios.h"
-
-extern int verbose;
-
-
-#ifndef _PC
-/*
- * This is derived from a number of PC system BIOS'es.  The intent here is to
- * provide very primitive video support, before an EGA/VGA BIOS installs its
- * own interrupt vector.  Here, "Ignored" calls should remain so.  "Not
- * Implemented" denotes functionality that can be implemented should the need
- * arise.  What are "Not Implemented" throughout are video memory accesses.
- * Also, very little input validity checking is done here.
- */
-int int42_handler(void)
-{
-#if 0
-	if (verbose && X86_AH != 0x0e) {
-		printf("int%x\n", current->num);
-		x86emu_dump_xregs();
-	}
-
-	switch (X86_AH) {
-	case 0x00:
-		/* Set Video Mode                                     */
-		/* Enter:  AL = video mode number                     */
-		/* Leave:  Nothing                                    */
-		/* Implemented (except for clearing the screen)       */
-		{		/* Localise */
-			int i;
-			u16 ioport, int1d, regvals, tmp;
-			u8 mode, cgamode, cgacolour;
-
-			/*
-			 * Ignore all mode numbers but 0x00-0x13.  Some systems also ignore
-			 * 0x0B and 0x0C, but don't do that here.
-			 */
-			if (X86_AL > 0x13)
-				break;
-
-			/*
-			 * You didn't think that was really the mode set, did you?  There
-			 * are only so many slots in the video parameter table...
-			 */
-			mode = X86_AL;
-			ioport = 0x03D4;
-			switch (MEM_RB(0x0410) & 0x30) {
-			case 0x30:	/* MDA */
-				mode = 0x07;	/* Force mode to 0x07 */
-				ioport = 0x03B4;
-				break;
-			case 0x10:	/* CGA 40x25 */
-				if (mode >= 0x07)
-					mode = 0x01;
-				break;
-			case 0x20:	/* CGA 80x25 (MCGA?) */
-				if (mode >= 0x07)
-					mode = 0x03;
-				break;
-			case 0x00:	/* EGA/VGA */
-				if (mode >= 0x07)	/* Don't try MDA timings */
-					mode = 0x01;	/* !?!?! */
-				break;
-			}
-
-			/* Locate data in video parameter table */
-			int1d = MEM_RW(0x1d << 2);
-			regvals = ((mode >> 1) << 4) + int1d;
-			cgacolour = 0x30;
-			if (mode == 0x06) {
-				regvals -= 0x10;
-				cgacolour = 0x3F;
-			}
-
-	    /** Update BIOS Data Area **/
-
-			/* Video mode */
-			MEM_WB(0x0449, mode);
-
-			/* Columns */
-			tmp = MEM_RB(mode + int1d + 0x48);
-			MEM_WW(0x044A, tmp);
-
-			/* Page length */
-			tmp = MEM_RW((mode & 0x06) + int1d + 0x40);
-			MEM_WW(0x044C, tmp);
-
-			/* Start Address */
-			MEM_WW(0x044E, 0);
-
-			/* Cursor positions, one for each display page */
-			for (i = 0x0450; i < 0x0460; i += 2)
-				MEM_WW(i, 0);
-
-			/* Cursor start & end scanlines */
-			tmp = MEM_RB(regvals + 0x0B);
-			MEM_WB(0x0460, tmp);
-			tmp = MEM_RB(regvals + 0x0A);
-			MEM_WB(0x0461, tmp);
-
-			/* Current display page number */
-			MEM_WB(0x0462, 0);
-
-			/* CRTC I/O address */
-			MEM_WW(0x0463, ioport);
-
-			/* CGA Mode register value */
-			cgamode = MEM_RB(mode + int1d + 0x50);
-			MEM_WB(0x0465, cgamode);
-
-			/* CGA Colour register value */
-			MEM_WB(0x0466, cgacolour);
-
-			/* Rows */
-			MEM_WB(0x0484, (25 - 1));
-
-			/* Programme the mode */
-			outb(ioport + 4, cgamode & 0x37);	/* Turn off screen */
-			for (i = 0; i < 0x10; i++) {
-				tmp = MEM_RB(regvals + i);
-				outb(ioport, i);
-				outb(ioport + 1, tmp);
-			}
-			outb(ioport + 5, cgacolour);	/* Select colour mode */
-			outb(ioport + 4, cgamode);	/* Turn on screen */
-		}
-		break;
-
-	case 0x01:
-		/* Set Cursor Type                                    */
-		/* Enter:  CH = starting line for cursor              */
-		/*         CL = ending line for cursor                */
-		/* Leave:  Nothing                                    */
-		/* Implemented                                        */
-		{		/* Localise */
-			u16 ioport = MEM_RW(0x0463);
-
-			MEM_WB(0x0460, X86_CL);
-			MEM_WB(0x0461, X86_CH);
-
-			outb(ioport, 0x0A);
-			outb(ioport + 1, X86_CH);
-			outb(ioport, 0x0B);
-			outb(ioport + 1, X86_CL);
-		}
-		break;
-
-	case 0x02:
-		/* Set Cursor Position                                */
-		/* Enter:  BH = display page number                   */
-		/*         DH = row                                   */
-		/*         DL = column                                */
-		/* Leave:  Nothing                                    */
-		/* Implemented                                        */
-		{		/* Localise */
-			u16 offset, ioport;
-
-			MEM_WB((X86_BH << 1) + 0x0450, X86_DL);
-			MEM_WB((X86_BH << 1) + 0x0451, X86_DH);
-
-			if (X86_BH != MEM_RB(0x0462))
-				break;
-
-			offset = (X86_DH * MEM_RW(0x044A)) + X86_DL;
-			offset += MEM_RW(0x044E) << 1;
-
-			ioport = MEM_RW(0x0463);
-			outb(ioport, 0x0E);
-			outb(ioport + 1, offset >> 8);
-			outb(ioport, 0x0F);
-			outb(ioport + 1, offset & 0xFF);
-		}
-		break;
-
-	case 0x03:
-		/* Get Cursor Position                                */
-		/* Enter:  BH = display page number                   */
-		/* Leave:  CH = starting line for cursor              */
-		/*         CL = ending line for cursor                */
-		/*         DH = row                                   */
-		/*         DL = column                                */
-		/* Implemented                                        */
-		{		/* Localise */
-			X86_CL = MEM_RB(0x0460);
-			X86_CH = MEM_RB(0x0461);
-			X86_DL = MEM_RB((X86_BH << 1) + 0x0450);
-			X86_DH = MEM_RB((X86_BH << 1) + 0x0451);
-		}
-		break;
-
-	case 0x04:
-		/* Get Light Pen Position                             */
-		/* Enter:  Nothing                                    */
-		/* Leave:  AH = 0x01 (down/triggered) or 0x00 (not)   */
-		/*         BX = pixel column                          */
-		/*         CX = pixel row                             */
-		/*         DH = character row                         */
-		/*         DL = character column                      */
-		/* Not Implemented                                    */
-		{		/* Localise */
-			printf("int%x - Get Light Pen Position. "
-			       "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-			X86_AH = X86_BX = X86_CX = X86_DX = 0;
-		}
-		break;
-
-	case 0x05:
-		/* Set Display Page                                   */
-		/* Enter:  AL = display page number                   */
-		/* Leave:  Nothing                                    */
-		/* Implemented                                        */
-		{		/* Localise */
-			u16 start, ioport = MEM_RW(0x0463);
-			u8 x, y;
-
-			/* Calculate new start address */
-			MEM_WB(0x0462, X86_AL);
-			start = X86_AL * MEM_RW(0x044C);
-			MEM_WW(0x044E, start);
-			start <<= 1;
-
-			/* Update start address */
-			outb(ioport, 0x0C);
-			outb(ioport + 1, start >> 8);
-			outb(ioport, 0x0D);
-			outb(ioport + 1, start & 0xFF);
-
-			/* Switch cursor position */
-			y = MEM_RB((X86_AL << 1) + 0x0450);
-			x = MEM_RB((X86_AL << 1) + 0x0451);
-			start += (y * MEM_RW(0x044A)) + x;
-
-			/* Update cursor position */
-			outb(ioport, 0x0E);
-			outb(ioport + 1, start >> 8);
-			outb(ioport, 0x0F);
-			outb(ioport + 1, start & 0xFF);
-		}
-		break;
-
-	case 0x06:
-		/* Initialise or Scroll Window Up                     */
-		/* Enter:  AL = lines to scroll up                    */
-		/*         BH = attribute for blank                   */
-		/*         CH = upper y of window                     */
-		/*         CL = left x of window                      */
-		/*         DH = lower y of window                     */
-		/*         DL = right x of window                     */
-		/* Leave:  Nothing                                    */
-		/* Not Implemented                                    */
-		{		/* Localise */
-			printf("int%x: Initialise or Scroll Window Up - "
-			       "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-		}
-		break;
-
-	case 0x07:
-		/* Initialise or Scroll Window Down                   */
-		/* Enter:  AL = lines to scroll down                  */
-		/*         BH = attribute for blank                   */
-		/*         CH = upper y of window                     */
-		/*         CL = left x of window                      */
-		/*         DH = lower y of window                     */
-		/*         DL = right x of window                     */
-		/* Leave:  Nothing                                    */
-		/* Not Implemented                                    */
-		{		/* Localise */
-			printf("int%x: Initialise or Scroll Window Down - "
-			       "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-
-		}
-		break;
-
-	case 0x08:
-		/* Read Character and Attribute at Cursor             */
-		/* Enter:  BH = display page number                   */
-		/* Leave:  AH = attribute                             */
-		/*         AL = character                             */
-		/* Not Implemented                                    */
-		{		/* Localise */
-			printf
-			    ("int%x: Read Character and Attribute at Cursor - "
-			     "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-
-			X86_AX = 0;
-		}
-		break;
-
-	case 0x09:
-		/* Write Character and Attribute at Cursor            */
-		/* Enter:  AL = character                             */
-		/*         BH = display page number                   */
-		/*         BL = attribute (text) or colour (graphics) */
-		/*         CX = replication count                     */
-		/* Leave:  Nothing                                    */
-		/* Not Implemented                                    */
-		{		/* Localise */
-			printf
-			    ("int%x: Write Character and Attribute at Cursor - "
-			     "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-
-		}
-		break;
-
-	case 0x0a:
-		/* Write Character at Cursor                          */
-		/* Enter:  AL = character                             */
-		/*         BH = display page number                   */
-		/*         BL = colour                                */
-		/*         CX = replication count                     */
-		/* Leave:  Nothing                                    */
-		/* Not Implemented                                    */
-		{		/* Localise */
-			printf("int%x: Write Character at Cursor - "
-			       "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-
-		}
-		break;
-
-	case 0x0b:
-		/* Set Palette, Background or Border                  */
-		/* Enter:  BH = 0x00 or 0x01                          */
-		/*         BL = colour or palette (respectively)      */
-		/* Leave:  Nothing                                    */
-		/* Implemented                                        */
-		{		/* Localise */
-			u16 ioport = MEM_RW(0x0463) + 5;
-			u8 cgacolour = MEM_RB(0x0466);
-
-			if (X86_BH) {
-				cgacolour &= 0xDF;
-				cgacolour |= (X86_BL & 0x01) << 5;
-			} else {
-				cgacolour &= 0xE0;
-				cgacolour |= X86_BL & 0x1F;
-			}
-
-			MEM_WB(0x0466, cgacolour);
-			outb(ioport, cgacolour);
-		}
-		break;
-
-	case 0x0c:
-		/* Write Graphics Pixel                               */
-		/* Enter:  AL = pixel value                           */
-		/*         BH = display page number                   */
-		/*         CX = column                                */
-		/*         DX = row                                   */
-		/* Leave:  Nothing                                    */
-		/* Not Implemented                                    */
-		{		/* Localise */
-			printf("int%x: Write Graphics Pixel - "
-			       "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-
-		}
-		break;
-
-	case 0x0d:
-		/* Read Graphics Pixel                                */
-		/* Enter:  BH = display page number                   */
-		/*         CX = column                                */
-		/*         DX = row                                   */
-		/* Leave:  AL = pixel value                           */
-		/* Not Implemented                                    */
-		{		/* Localise */
-			printf("int%x: Write Graphics Pixel - "
-			       "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-
-			X86_AL = 0;
-
-		}
-		break;
-
-	case 0x0e:
-		/* Write Character in Teletype Mode                   */
-		/* Enter:  AL = character                             */
-		/*         BH = display page number                   */
-		/*         BL = foreground colour                     */
-		/* Leave:  Nothing                                    */
-		/* Not Implemented                                    */
-		/* WARNING:  Emulation of BEL characters will require */
-		/*           emulation of RTC and PC speaker I/O.     */
-		/*           Also, this recurses through int 0x10     */
-		/*           which might or might not have been       */
-		/*           installed yet.                           */
-		{		/* Localise */
-#ifdef PARANOID
-			printf("int%x: Write Character in Teletype Mode - "
-			       "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-#endif
-			printf("%c", X86_AL);
-		}
-		break;
-
-	case 0x0f:
-		/* Get Video Mode                                     */
-		/* Enter:  Nothing                                    */
-		/* Leave:  AH = number of columns                     */
-		/*         AL = video mode number                     */
-		/*         BH = display page number                   */
-		/* Implemented                                        */
-		{		/* Localise */
-			X86_AH = MEM_RW(0x044A);
-			X86_AL = MEM_RB(0x0449);
-			X86_BH = MEM_RB(0x0462);
-		}
-		break;
-
-	case 0x10:
-		/* Colour Control (subfunction in AL)                 */
-		/* Enter:  Various                                    */
-		/* Leave:  Various                                    */
-		/* Ignored                                            */
-		break;
-
-	case 0x11:
-		/* Font Control (subfunction in AL)                   */
-		/* Enter:  Various                                    */
-		/* Leave:  Various                                    */
-		/* Ignored                                            */
-		break;
-
-	case 0x12:
-		/* Miscellaneous (subfunction in BL)                  */
-		/* Enter:  Various                                    */
-		/* Leave:  Various                                    */
-		/* Ignored.  Previous code here optionally allowed    */
-		/* the enabling and disabling of VGA, but no system   */
-		/* BIOS I've come across actually implements it.      */
-		break;
-
-	case 0x13:
-		/* Write String in Teletype Mode                      */
-		/* Enter:  AL = write mode                            */
-		/*         BL = attribute (if (AL & 0x02) == 0)       */
-		/*         CX = string length                         */
-		/*         DH = row                                   */
-		/*         DL = column                                */
-		/*         ES:BP = string segment:offset              */
-		/* Leave:  Nothing                                    */
-		/* Not Implemented                                    */
-		/* WARNING:  Emulation of BEL characters will require */
-		/*           emulation of RTC and PC speaker I/O.     */
-		/*           Also, this recurses through int 0x10     */
-		/*           which might or might not have been       */
-		/*           installed yet.                           */
-		{		/* Localise */
-			printf("int%x: Write String in Teletype Mode - "
-			       "Function not implemented.\n", current->num);
-			x86emu_dump_xregs();
-
-		}
-		break;
-
-	default:
-		/* Various extensions                                 */
-		/* Enter:  Various                                    */
-		/* Leave:  Various                                    */
-		/* Ignored                                            */
-		break;
-	}
-#endif
-	return 1;
-}
-#endif
diff --git a/util/vgabios/int15.c b/util/vgabios/int15.c
deleted file mode 100644
index a1235bbbf7..0000000000
--- a/util/vgabios/int15.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <stdio.h>
-#include <stdtypes.h>
-#include "testbios.h"
-
-int int15_handler(void)
-{
-	printf("\nint15 encountered.\n");
-	x86emu_dump_xregs();
-	X86_EAX = 0;
-	return 1;
-}
diff --git a/util/vgabios/int16.c b/util/vgabios/int16.c
deleted file mode 100644
index 06df8266af..0000000000
--- a/util/vgabios/int16.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <stdio.h>
-#include "testbios.h"
-
-int int16_handler(void)
-{
-	printf("\nint16: keyboard not supported right now.\n");
-	x86emu_dump_xregs();
-	return 1;
-}
diff --git a/util/vgabios/int1a.c b/util/vgabios/int1a.c
deleted file mode 100644
index 9fcff8af43..0000000000
--- a/util/vgabios/int1a.c
+++ /dev/null
@@ -1,171 +0,0 @@
-#include <stdio.h>
-#include <stdtypes.h>
-#include "testbios.h"
-#include "pci-userspace.h"
-
-#define DEBUG_INT1A
-
-#define SUCCESSFUL              0x00
-#define DEVICE_NOT_FOUND        0x86
-#define BAD_REGISTER_NUMBER     0x87
-
-extern int verbose;
-
-int int1A_handler(void)
-{
-	PCITAG tag = NULL;
-	pciVideoPtr pvp = NULL;
-
-	if (verbose) {
-		printf("\nint1a encountered.\n");
-		//x86emu_dump_xregs();
-	}
-
-	switch (X86_AX) {
-	case 0xb101:
-		X86_EAX = 0x00;	/* no config space/special cycle support */
-		X86_AL = 0x01;	/* config mechanism 1 */
-		X86_EDX = 0x20494350;	/* " ICP" */
-		X86_EBX = 0x0210;	/* Version 2.10 */
-		X86_ECX &= 0xFF00;
-		X86_ECX |= (pciNumBuses & 0xFF);	/* Max bus number in system */
-		X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-#ifdef DEBUG_INT1A
-		if (verbose)
-			printf("PCI bios present.\n");
-#endif
-		return 1;
-	case 0xb102:
-		if (X86_DX == pvp->vendor_id && X86_CX == pvp->device_id && X86_ESI == 0) {
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-			X86_EBX = pciSlotBX(tag); // XXX used to be pvp, but both are NULL
-		}
-#ifdef SHOW_ALL_DEVICES
-		else if ((pvp = xf86FindPciDeviceVendor(X86_EDX, X86_ECX, X86_ESI, pvp))) {
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-			X86_EBX = pciSlotBX(pvp);
-		}
-#endif
-		else {
-			X86_EAX = X86_AL | (DEVICE_NOT_FOUND << 8);
-			X86_EFLAGS |= ((unsigned long) 0x01);	/* set carry flag */
-		}
-#ifdef DEBUG_INT1A
-		printf("eax=0x%x ebx=0x%x eflags=0x%x\n", X86_EAX, X86_EBX, X86_EFLAGS);
-#endif
-		return 1;
-	case 0xb103:
-#if 0
-		if (X86_CL == pvp->interface &&
-		    X86_CH == pvp->subclass &&
-		    ((X86_ECX & 0xFFFF0000) >> 16) == pvp->class) {
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EBX = pciSlotBX(pvp);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-		}
-#else
-		/* FIXME: dirty hack */
-		if (0);
-#endif
-#ifdef SHOW_ALL_DEVICES
-		else if ((pvp = FindPciClass(X86_CL, X86_CH,
-					     (X86_ECX & 0xffff0000) >> 16,
-					     X86_ESI, pvp))) {
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-			X86_EBX = pciSlotBX(pvp);
-		}
-#endif
-		else {
-			X86_EAX = X86_AL | (DEVICE_NOT_FOUND << 8);
-			X86_EFLAGS |= ((unsigned long) 0x01);	/* set carry flag */
-		}
-#ifdef DEBUG_INT1A
-		printf("eax=0x%x eflags=0x%x\n", X86_EAX, X86_EFLAGS);
-#endif
-		return 1;
-	case 0xb108:
-		if ((tag = findPci(X86_EBX))) {
-			X86_CL = pciReadByte(tag, X86_EDI);
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-		} else {
-			X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8);
-			X86_EFLAGS |= ((unsigned long) 0x01);	/* set carry flag */
-		}
-#ifdef DEBUG_INT1A
-		printf("eax=0x%x ecx=0x%x eflags=0x%x\n", X86_EAX, X86_ECX, X86_EFLAGS);
-#endif
-		return 1;
-	case 0xb109:
-		if ((tag = findPci(X86_EBX))) {
-			X86_CX = pciReadWord(tag, X86_EDI);
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-		} else {
-			X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8);
-			X86_EFLAGS |= ((unsigned long) 0x01);	/* set carry flag */
-		}
-#ifdef DEBUG_INT1A
-		printf("eax=0x%x ecx=0x%x eflags=0x%x\n", X86_EAX, X86_ECX, X86_EFLAGS);
-#endif
-		return 1;
-	case 0xb10a:
-		if ((tag = findPci(X86_EBX))) {
-			X86_ECX = pciReadLong(tag, X86_EDI);
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-		} else {
-			X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8);
-			X86_EFLAGS |= ((unsigned long) 0x01);	/* set carry flag */
-		}
-#ifdef DEBUG_INT1A
-		printf("eax=0x%x ecx=0x%x eflags=0x%x\n", X86_EAX, X86_ECX, X86_EFLAGS);
-#endif
-		return 1;
-	case 0xb10b:
-		if ((tag = findPci(X86_EBX))) {
-			pciWriteByte(tag, X86_EDI, X86_CL);
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-		} else {
-			X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8);
-			X86_EFLAGS |= ((unsigned long) 0x01);	/* set carry flag */
-		}
-#ifdef DEBUG_INT1A
-		printf("eax=0x%x eflags=0x%x\n", X86_EAX, X86_EFLAGS);
-#endif
-		return 1;
-	case 0xb10c:
-		if ((tag = findPci(X86_EBX))) {
-			pciWriteWord(tag, X86_EDI, X86_CX);
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-		} else {
-			X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8);
-			X86_EFLAGS |= ((unsigned long) 0x01);	/* set carry flag */
-		}
-#ifdef DEBUG_INT1A
-		printf("eax=0x%x eflags=0x%x\n", X86_EAX, X86_EFLAGS);
-#endif
-		return 1;
-	case 0xb10d:
-		if ((tag = findPci(X86_EBX))) {
-			pciWriteLong(tag, X86_EDI, X86_ECX);
-			X86_EAX = X86_AL | (SUCCESSFUL << 8);
-			X86_EFLAGS &= ~((unsigned long) 0x01);	/* clear carry flag */
-		} else {
-			X86_EAX = X86_AL | (BAD_REGISTER_NUMBER << 8);
-			X86_EFLAGS |= ((unsigned long) 0x01);	/* set carry flag */
-		}
-#ifdef DEBUG_INT1A
-		printf("eax=0x%x eflags=0x%x\n", X86_EAX, X86_EFLAGS);
-#endif
-		return 1;
-	default:
-		printf("int1a: subfunction not implemented.\n");
-		return 0;
-	}
-}
diff --git a/util/vgabios/inte6.c b/util/vgabios/inte6.c
deleted file mode 100644
index 19b6110067..0000000000
--- a/util/vgabios/inte6.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <stdio.h>
-#include "testbios.h"
-
-int intE6_handler(void)
-{
-#if 0
-	pciVideoPtr pvp;
-
-	if ((pvp = xf86GetPciInfoForEntity(pInt->entityIndex)))
-		X86_AX = (pvp->bus << 8) | (pvp->device << 3) | (pvp->func & 0x7);
-	pushw(X86_CS);
-	pushw(X86_IP);
-	X86_CS = pInt->BIOSseg;
-	X86_EIP = 0x0003;
-	X86_ES = 0;		/* standard pc es */
-#endif
-	printf("intE6 not supported right now.\n");
-	x86emu_dump_xregs();
-	return 1;
-}
diff --git a/util/vgabios/pci-userspace.c b/util/vgabios/pci-userspace.c
index 796933e5b0..0390f7a494 100644
--- a/util/vgabios/pci-userspace.c
+++ b/util/vgabios/pci-userspace.c
@@ -1,31 +1,30 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
 #include <stdio.h>
+#include <pci/pci.h>
 #include "pci-userspace.h"
 
-#ifdef PCI_LIB_VERSION
-#define LIBPCI_CHECK_VERSION(major,minor,micro) \
-    ((((major) << 16) | ((minor) << 8) | (micro)) <= PCI_LIB_VERSION)
-#else
-#define LIBPCI_CHECK_VERSION(major,minor,micro) \
- ( (LIBPCI_MAJOR_VERSION > (major)) || \
-   (LIBPCI_MAJOR_VERSION == (major) && LIBPCI_MINOR_VERSION > (minor)) || \
- (LIBPCI_MAJOR_VERSION == (major) && LIBPCI_MINOR_VERSION == (minor)) && \
- LIBPCI_MICRO_VERSION >= (micro) )
-#endif
-
-#define PCITAG struct pci_filter *
-
 #define DEBUG_PCI 1
 
-struct pci_access *pacc;
-struct pci_dev *dev;
-
-struct pci_filter ltag;
-
-
-int pciNumBuses = 0;
+static struct pci_access *pacc;
 
-int pciInit(void)
+int pci_initialize(void)
 {
+	struct pci_dev *dev;
+
 	pacc = pci_alloc();
 
 	pci_init(pacc);
@@ -36,133 +35,80 @@ int pciInit(void)
 	return 0;
 }
 
-int pciExit(void)
+int pci_exit(void)
 {
 	pci_cleanup(pacc);
 	return 0;
 }
 
-PCITAG findPci(unsigned short bx)
-{
-	PCITAG tag = &ltag;
-
-	int bus = (bx >> 8) & 0xFF;
-	int slot = (bx >> 3) & 0x1F;
-	int func = bx & 0x7;
-
-	tag->bus = bus;
-	tag->slot = slot;
-	tag->func = func;
-
-#if LIBPCI_CHECK_VERSION(2,1,99)
-	if (pci_get_dev(pacc, 0, bus, slot, func))
-#else
-	if (pci_get_dev(pacc, bus, slot, func))
-#endif
-		return tag;
-
-	return NULL;
-}
-
-u32 pciSlotBX(PCITAG tag)
-{
-	return (tag->bus << 8) | (tag->slot << 3) | (tag->func);
-}
-
-u8 pciReadByte(PCITAG tag, u32 idx)
+u8 pci_read_config8(struct device *dev, unsigned int where)
 {
 	struct pci_dev *d;
-#if LIBPCI_CHECK_VERSION(2,1,99)
-	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
-#else
-	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
-#endif
-		return pci_read_byte(d, idx);
+	if ((d = pci_get_dev(pacc, 0, dev->busno, dev->slot, dev->func)))
+		return pci_read_byte(d, where);
 #ifdef DEBUG_PCI
 	printf("PCI: device not found while read byte (%x:%x.%x)\n",
-	       tag->bus, tag->slot, tag->func);
+	       dev->busno, dev->slot, dev->func);
 #endif
 	return 0;
 }
 
-u16 pciReadWord(PCITAG tag, u32 idx)
+u16 pci_read_config16(struct device *dev, unsigned int where)
 {
 	struct pci_dev *d;
-#if LIBPCI_CHECK_VERSION(2,1,99)
-	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
-#else
-	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
-#endif
-		return pci_read_word(d, idx);
+	if ((d = pci_get_dev(pacc, 0, dev->busno, dev->slot, dev->func)))
+		return pci_read_word(d, where);
 #ifdef DEBUG_PCI
 	printf("PCI: device not found while read word (%x:%x.%x)\n",
-	       tag->bus, tag->slot, tag->func);
+	       dev->busno, dev->slot, dev->func);
 #endif
 	return 0;
 }
 
-u32 pciReadLong(PCITAG tag, u32 idx)
+u32 pci_read_config32(struct device *dev, unsigned int where)
 {
 	struct pci_dev *d;
-#if LIBPCI_CHECK_VERSION(2,1,99)
-	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
-#else
-	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
-#endif
-		return pci_read_long(d, idx);
+	if ((d = pci_get_dev(pacc, 0, dev->busno, dev->slot, dev->func)))
+		return pci_read_long(d, where);
 #ifdef DEBUG_PCI
-	printf("PCI: device not found while read long (%x:%x.%x)\n",
-	       tag->bus, tag->slot, tag->func);
+	printf("PCI: device not found while read dword (%x:%x.%x)\n",
+	       dev->busno, dev->slot, dev->func);
 #endif
 	return 0;
 }
 
-
-void pciWriteLong(PCITAG tag, u32 idx, u32 data)
+void pci_write_config8(struct device *dev, unsigned int where, u8 val)
 {
 	struct pci_dev *d;
-#if LIBPCI_CHECK_VERSION(2,1,99)
-	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
-#else
-	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
-#endif
-		pci_write_long(d, idx, data);
+	if ((d = pci_get_dev(pacc, 0, dev->busno, dev->slot, dev->func)))
+		pci_write_byte(d, where, val);
 #ifdef DEBUG_PCI
 	else
-		printf("PCI: device not found while write long (%x:%x.%x)\n",
-		       tag->bus, tag->slot, tag->func);
+		printf("PCI: device not found while write byte (%x:%x.%x)\n",
+		       dev->busno, dev->slot, dev->func);
 #endif
 }
 
-void pciWriteWord(PCITAG tag, u32 idx, u16 data)
+void pci_write_config16(struct device *dev, unsigned int where, u16 val)
 {
 	struct pci_dev *d;
-#if LIBPCI_CHECK_VERSION(2,1,99)
-	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
-#else
-	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
-#endif
-		pci_write_word(d, idx, data);
+	if ((d = pci_get_dev(pacc, 0, dev->busno, dev->slot, dev->func)))
+		pci_write_word(d, where, val);
 #ifdef DEBUG_PCI
 	else
 		printf("PCI: device not found while write word (%x:%x.%x)\n",
-		       tag->bus, tag->slot, tag->func);
+		       dev->busno, dev->slot, dev->func);
 #endif
-
 }
 
-void pciWriteByte(PCITAG tag, u32 idx, u8 data)
+void pci_write_config32(struct device *dev, unsigned int where, u32 val)
 {
 	struct pci_dev *d;
-#if LIBPCI_CHECK_VERSION(2,1,99)
-	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
-#else
-	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
-#endif
-		pci_write_long(d, idx, data);
+	if ((d = pci_get_dev(pacc, 0, dev->busno, dev->slot, dev->func)))
+		pci_write_long(d, where, val);
 #ifdef DEBUG_PCI
 	else
-		printf("PCI: device not found while write long (%x:%x.%x)\n",
-		       tag->bus, tag->slot, tag->func);
+		printf("PCI: device not found while write dword (%x:%x.%x)\n",
+		       dev->busno, dev->slot, dev->func);
 #endif
 }
diff --git a/util/vgabios/pci-userspace.h b/util/vgabios/pci-userspace.h
index 103a9ef3bc..2dbdbbe6a3 100644
--- a/util/vgabios/pci-userspace.h
+++ b/util/vgabios/pci-userspace.h
@@ -1,62 +1,35 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
 #ifndef __PCI_USERSPACE_H__
 #define __PCI_USERSPACE_H__
 
-#include <pci/pci.h>
-
-typedef unsigned long pciaddr_t;
-typedef u8 byte;
-typedef u16 word;
-
-#if 0
-struct pci_dev {
-	struct pci_dev *next;	/* Next device in the chain */
-	word bus;		/* Higher byte can select host bridges */
-	byte dev, func;		/* Device and function */
-
-	/* These fields are set by pci_fill_info() */
-	int known_fields;	/* Set of info fields already known */
-	word vendor_id, device_id;	/* Identity of the device */
-	int irq;		/* IRQ number */
-	pciaddr_t base_addr[6];	/* Base addresses */
-	pciaddr_t size[6];	/* Region sizes */
-	pciaddr_t rom_base_addr;	/* Expansion ROM base address */
-	pciaddr_t rom_size;	/* Expansion ROM size */
-
-	/* Fields used internally: */
-	void *access;
-	void *methods;
-	byte *cache;		/* Cached information */
-	int cache_len;
-	int hdrtype;		/* Direct methods: header type */
-	void *aux;		/* Auxillary data */
-};
-
-
-struct pci_filter {
-	int bus, slot, func;	/* -1 = ANY */
-	int vendor, device;
+struct device {
+	int busno;
+	int slot;
+	int func;
 };
-#endif
-
-#define PCITAG struct pci_filter *
-#define pciVideoPtr struct pci_dev *
-
-extern int pciNumBuses;
-
-int pciInit(void);
-int pciExit(void);
-
-
-PCITAG findPci(unsigned short bx);
-//u32 pciSlotBX(pciVideoPtr pvp);
-u32 pciSlotBX(PCITAG tag);
 
-void pciWriteLong(PCITAG tag, u32 idx, u32 data);
-void pciWriteWord(PCITAG tag, u32 idx, u16 data);
-void pciWriteByte(PCITAG tag, u32 idx, u8 data);
+int pci_initialize(void);
+int pci_exit(void);
 
-u32 pciReadLong(PCITAG tag, u32 idx);
-u16 pciReadWord(PCITAG tag, u32 idx);
-u8 pciReadByte(PCITAG tag, u32 idx);
+u8 pci_read_config8(struct device *dev, unsigned int where);
+u16 pci_read_config16(struct device *dev, unsigned int where);
+u32 pci_read_config32(struct device *dev, unsigned int where);
+void pci_write_config8(struct device *dev, unsigned int where, u8 val);
+void pci_write_config16(struct device *dev, unsigned int where, u16 val);
+void pci_write_config32(struct device *dev, unsigned int where, u32 val);
 
 #endif
diff --git a/util/vgabios/testbios.c b/util/vgabios/testbios.c
index 8c9783f07e..f760b08d88 100644
--- a/util/vgabios/testbios.c
+++ b/util/vgabios/testbios.c
@@ -1,3 +1,18 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -7,75 +22,28 @@
 #include <getopt.h>
 #include <string.h>
 #include <stdarg.h>
-
 #include <stdtypes.h>
 #define die(x) { perror(x); exit(1); }
 #define warn(x) { perror(x);  }
 
 #include <x86emu/x86emu.h>
 #include <console/console.h>
-#include "helper_exec.h"
+#include <arch/byteorder.h>
+#include "device.h"
+
 #include "testbios.h"
 #include "pci-userspace.h"
 int X86EMU_set_debug(int debug);
-unsigned short get_device(char *arg_val);
+
+biosemu_device_t bios_device;
 
 extern int teststart, testend;
 
-_ptr p;
-ptr current = 0;
-unsigned char biosmem[1024 * 1024];
+#define BIOSMEM_SIZE (1024 * 1024)
+unsigned char biosmem[BIOSMEM_SIZE];
 
 int verbose = 0;
 
-
-/* Interrupt multiplexer */
-
-static void do_int(int num)
-{
-	int ret = 0;
-
-	printf("int%x vector at %x\n", num, getIntVect(num));
-
-	/* This is a pInt leftover */
-	current->num = num;
-
-	switch (num) {
-#ifndef _PC
-	case 0x10:
-	case 0x42:
-	case 0x6D:
-
-		if (getIntVect(num) == 0xFF065) {
-			ret = int42_handler();
-		}
-		break;
-#endif
-	case 0x15:
-		ret = int15_handler();
-		break;
-	case 0x16:
-		ret = int16_handler();
-		break;
-	case 0x1A:
-		ret = int1A_handler();
-		break;
-	case 0xe6:
-		ret = intE6_handler();
-		break;
-	default:
-		break;
-	}
-
-	if (!ret)
-		ret = run_bios_int(num);
-
-	if (!ret) {
-		printf("\nint%x: not implemented\n", num);
-		//x86emu_dump_xregs();
-	}
-}
-
 static unsigned char *mapitin(char *file, off_t where, size_t size)
 {
 	void *z;
@@ -90,14 +58,57 @@ static unsigned char *mapitin(char *file, off_t where, size_t size)
 	close(fd);
 
 	return z;
+}
+
+static unsigned short get_device(char *arg_val)
+{
+	unsigned short devfn=0;
+	long bus=0,dev=0,fn=0,need_pack=0;
+	char *tok;
+
+	tok = strsep(&arg_val,":");
+	if (arg_val != NULL) {
+		bus = strtol(tok,0,16);
+		need_pack = 1;
+	}
+	else {
+		arg_val = tok;
+	}
+
+	tok = strsep(&arg_val,".");
+	if (arg_val != NULL) {
+		dev = strtol(tok,0,16);
+		fn  = strtol(arg_val,0,16);
+		need_pack = 1;
+	}
+	else {
+		if (need_pack ==1 && (strlen(tok))) {
+			dev = strtol(tok,0,16);
+		}
+	}
 
+	if ( need_pack == 1) {
+		devfn = bus<<8 | (dev<<3) | fn;
+	}
+	else {
+		devfn = strtol(tok, 0, 0);
+	}
+
+	return devfn;
 }
 
-X86EMU_pioFuncs myfuncs = {
-	x_inb, x_inw, x_inl,
-	x_outb, x_outw, x_outl
-};
+int printk(int msg_level, const char *fmt, ...)
+{
+	va_list args;
+	int i;
 
+	printf ("<%d> ", msg_level);
+	va_start(args, fmt);
+	i = vprintf(fmt, args);
+	va_end(args);
+
+	return i;
+}
 
 static void usage(char *name)
 {
@@ -106,11 +117,24 @@ static void usage(char *name)
 	     name);
 }
 
+/* main entry into YABEL biosemu, arguments are:
+ * *biosmem = pointer to virtual memory
+ * biosmem_size = size of the virtual memory
+ * *dev = pointer to the device to be initialised
+ * rom_addr = address of the OptionROM to be executed, if this is = 0, YABEL
+ * will look for an ExpansionROM BAR and use the code from there.
+ */
+u32
+biosemu(u8 *biosmem, u32 biosmem_size, struct device * dev, unsigned long
+		rom_addr);
+
+
 int main(int argc, char **argv)
 {
+	int ret;
 	char *absegname = 0;
 	void *abseg = 0;
-	int i, c, trace = 0;
+	int c, trace = 0;
 	unsigned char *cp;
 	char *filename;
 	ssize_t size = 0;
@@ -118,12 +142,14 @@ int main(int argc, char **argv)
 	int have_size = 0, have_base = 0, have_ip = 0, have_cs = 0;
 	int have_devfn = 0;
 	int parse_rom = 0;
-	char *fsegname = 0;
-	unsigned char *fsegptr;
+	//char *fsegname = 0;
+	//unsigned char *fsegptr;
 	unsigned short initialip = 0, initialcs = 0, devfn = 0;
-	X86EMU_intrFuncs intFuncs[256];
+	//X86EMU_intrFuncs intFuncs[256];
 	int debugflag = 0;
+	struct device *dev;
 
+	//const char *optstring = "vh?b:i:c:s:tpd:";
 	const char *optstring = "vh?b:i:c:s:tpd:";
 	while (1) {
 		int option_index = 0;
@@ -132,7 +158,7 @@ int main(int argc, char **argv)
 			{"help", 0, 0, 'h'},
 			{"trace", 0, 0, 't'},
 			{"base", 1, 0, 'b'},
-			{"fseg", 1, 0, 'f'},
+			//{"fseg", 1, 0, 'f'},
 			{"instructionpointer", 1, 0, 'i'},
 			{"codesegment", 1, 0, 'c'},
 			{"absegment", 1, 0, 'a'},
@@ -156,10 +182,10 @@ int main(int argc, char **argv)
 		case 't':
 			trace = 1;
 			break;
-		case 'b':
-			base = strtol(optarg, 0, 0);
-			have_base = 1;
-			break;
+		//case 'b':
+		//	base = strtol(optarg, 0, 0);
+		//	have_base = 1;
+		//	break;
 		case 'i':
 			initialip = strtol(optarg, 0, 0);
 			have_ip = 1;
@@ -175,9 +201,9 @@ int main(int argc, char **argv)
 		case 'p':
 			parse_rom = 1;
 			break;
-		case 'f':
-			fsegname = optarg;
-			break;
+	//	case 'f':
+	//		fsegname = optarg;
+	//		break;
 		case 'a':
 			absegname = optarg;
 			break;
@@ -220,10 +246,10 @@ int main(int argc, char **argv)
 		printf("No base specified. defaulting to 0xc0000\n");
 		base = 0xc0000;
 	}
-	if (!have_cs) {
-		printf("No initial code segment specified. defaulting to 0xc000\n");
-		initialcs = 0xc000;
-	}
+	//if (!have_cs) {
+	//	printf("No initial code segment specified. defaulting to 0xc000\n");
+	//	initialcs = 0xc000;
+	//}
 	if (!have_ip) {
 		printf
 		    ("No initial instruction pointer specified. defaulting to 0x0003\n");
@@ -234,7 +260,7 @@ int main(int argc, char **argv)
 		printf("Parsing rom images not implemented.\n");
 
 	//printf("Point 1 int%x vector at %x\n", 0x42, getIntVect(0x42));
-
+#if 0
 	if (initialip == 0x0003) {
 		if ((devfn == 0) || (have_devfn == 0)) {
 			printf("WARNING! It appears you are trying to run an option ROM.\n");
@@ -250,6 +276,7 @@ int main(int argc, char **argv)
 			}
 		}
 	}
+#endif
 
 	if (absegname) {
 		abseg = mapitin(absegname, (off_t) 0xa0000, 0x20000);
@@ -257,10 +284,6 @@ int main(int argc, char **argv)
 			die(absegname);
 	}
 
-	current = &p;
-	X86EMU_setMemBase(biosmem, sizeof(biosmem));
-	M.abseg = (unsigned long)abseg;
-	X86EMU_setupPioFuncs(&myfuncs);
 	ioperm(0, 0x400, 1);
 
 	if (iopl(3) < 0) {
@@ -275,17 +298,20 @@ int main(int argc, char **argv)
 	 * basically this means initializing PCI and
 	 * intXX handlers.
 	 */
-	pciInit();
+	pci_initialize();
 
+#if 0
 	for (i = 0; i < 256; i++)
 		intFuncs[i] = do_int;
 	X86EMU_setupIntrFuncs(intFuncs);
+#endif
 	cp = mapitin(filename, (off_t) 0, size);
 
 	if (devfn) {
 		printf("Loading ax with BusDevFn = %x\n",devfn);
 	}
 
+#if 0
 	current->ax = devfn   ? devfn : 0xff;
 	current->dx = 0x80;
 	//      current->ip = 0;
@@ -322,68 +348,33 @@ int main(int argc, char **argv)
 	pushw(X86_SP + 2);
 
 	X86_ES = 0x0000;
+#endif
 
 	if (trace) {
 		printf("Switching to single step mode.\n");
 		//X86EMU_trace_on();
 	}
 	if (debugflag) {
+		printf("Enable Debug = %x.\n",debugflag);
 		//X86EMU_set_debug(debugflag);
 	}
+#if 0
 	X86EMU_exec();
-	/* Cleaning up */
-	pciExit();
-
-	return 0;
-}
+#endif
 
-unsigned short get_device(char *arg_val)
-{
-	unsigned short devfn=0;
-	long bus=0,dev=0,fn=0,need_pack=0;
-	char *tok;
+	ret = biosemu(biosmem, BIOSMEM_SIZE, dev, base);
 
-	tok = strsep(&arg_val,":");
-	if (arg_val != NULL) {
-		bus = strtol(tok,0,16);
-		need_pack = 1;
-	}
-	else {
-		arg_val = tok;
-	}
-
-	tok = strsep(&arg_val,".");
-	if (arg_val != NULL) {
-		dev = strtol(tok,0,16);
-		fn  = strtol(arg_val,0,16);
-		need_pack = 1;
-	}
-	else {
-		if (need_pack ==1 && (strlen(tok))) {
-			dev = strtol(tok,0,16);
-		}
-	}
-
-	if ( need_pack == 1) {
-		devfn = bus<<8 | (dev<<3) | fn;
-	}
-	else {
-		devfn = strtol(tok, 0, 0);
-	}
+#if 0
+	current = &p;
+	X86EMU_setMemBase(biosmem, sizeof(biosmem));
+	M.abseg = (unsigned long)abseg;
+	X86EMU_setupPioFuncs(&myfuncs);
+#endif
 
+	/* Cleaning up */
+	pci_exit();
 
-	return devfn;
+	return 0;
 }
 
-int printk(int msg_level, const char *fmt, ...)
-{
-	va_list args;
-	int i;
-
-	printf ("<%d> ", msg_level);
-	va_start(args, fmt);
-	i = vprintf(fmt, args);
-	va_end(args);
 
-	return i;
-}
diff --git a/util/vgabios/testbios.h b/util/vgabios/testbios.h
index a5a8b0d6b2..a028bf0fa1 100644
--- a/util/vgabios/testbios.h
+++ b/util/vgabios/testbios.h
@@ -1,19 +1,21 @@
-/* Derived from:
- *                   XFree86 int10 module
- *   execute BIOS int 10h calls in x86 real mode environment
- *                 Copyright 1999 Egbert Eich
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 1999 Egbert Eich
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  */
 
 #ifndef __TESTBIOS_H__
 #define __TESTBIOS_H__
 
-void x86emu_dump_xregs(void);
-int int15_handler(void);
-int int16_handler(void);
-int int1A_handler(void);
-int int42_handler(void);
-int intE6_handler(void);
-
 #include <stdtypes.h>
 #include <x86emu/x86emu.h>
 
@@ -57,42 +59,4 @@ int intE6_handler(void);
 #define X86_CH M.x86.R_CH
 #define X86_DH M.x86.R_DH
 
-
-/* int10 info structure */
-typedef struct {
-	u16 BIOSseg;
-	u16 inb40time;
-	struct _mem *mem;
-	int num;
-	int ax;
-	int bx;
-	int cx;
-	int dx;
-	int si;
-	int di;
-	int es;
-	int bp;
-	int flags;
-	int stackseg;
-} _ptr, *ptr;
-
-typedef struct _mem {
-	u8(*rb) (ptr, int);
-	u16(*rw) (ptr, int);
-	u32(*rl) (ptr, int);
-	void (*wb) (ptr, int, u8);
-	void (*ww) (ptr, int, u16);
-	void (*wl) (ptr, int, u32);
-} mem;
-
-#define MEM_WB(where, what) wrb(where,what)
-#define MEM_WW(where, what) wrw(where, what)
-#define MEM_WL(where, what) wrl(where, what)
-
-#define MEM_RB(where) rdb(where)
-#define MEM_RW(where) rdw(where)
-#define MEM_RL(where) rdl(where)
-
-extern ptr current;
-
 #endif
author	Stefan Reinauer <reinauer@chromium.org>	2015-10-21 13:00:41 -0700
committer	Stefan Reinauer <stefan.reinauer@coreboot.org>	2016-02-18 01:47:04 +0100
commit	05082737a9507a8bbb238d9d439f74a72a7606e8 (patch)
tree	dd5ec603f620e9e4a7a054533d5098b2a19c97b2 /util/vgabios
parent	eb960f1af93b55cbfb0d5f86343970ded151d3c7 (diff)