commit initial qemu support (see http://fabrice.bellard.free.fr/qemu/)
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1610 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
parent
bbf16821c0
commit
4a3bb76aa8
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@ -0,0 +1,216 @@
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# This is a dummy linuxbios for use in bochs or qemu
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#
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uses HAVE_MP_TABLE
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uses HAVE_PIRQ_TABLE
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uses USE_FALLBACK_IMAGE
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uses HAVE_FALLBACK_BOOT
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uses HAVE_HARD_RESET
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uses HAVE_OPTION_TABLE
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uses USE_OPTION_TABLE
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uses CONFIG_ROM_STREAM
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uses MAINBOARD
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uses ARCH
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uses FALLBACK_SIZE
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uses STACK_SIZE
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uses HEAP_SIZE
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uses ROM_SIZE
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uses ROM_SECTION_SIZE
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uses ROM_IMAGE_SIZE
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uses ROM_SECTION_SIZE
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uses ROM_SECTION_OFFSET
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uses CONFIG_ROM_STREAM_START
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uses PAYLOAD_SIZE
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uses _ROMBASE
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uses XIP_ROM_SIZE
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uses XIP_ROM_BASE
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uses HAVE_MP_TABLE
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## ROM_SIZE is the size of boot ROM that this board will use.
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default ROM_SIZE = 256*1024
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###
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### Build options
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###
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##
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## Build code for the fallback boot
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##
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default HAVE_FALLBACK_BOOT=1
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##
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## no MP table
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##
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default HAVE_MP_TABLE=0
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##
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## Build code to reset the motherboard from linuxBIOS
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##
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default HAVE_HARD_RESET=1
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##
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## Build code to export a programmable irq routing table
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##
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default HAVE_PIRQ_TABLE=0
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##
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## Build code to export a CMOS option table
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##
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default HAVE_OPTION_TABLE=1
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###
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### LinuxBIOS layout values
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###
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## ROM_IMAGE_SIZE is the amount of space to allow linuxBIOS to occupy.
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#default ROM_IMAGE_SIZE = 65536
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default ROM_IMAGE_SIZE = 32768
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##
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## Use a small 8K stack
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##
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default STACK_SIZE=0x2000
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##
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## Use a small 16K heap
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##
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default HEAP_SIZE=0x4000
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default USE_OPTION_TABLE = 0
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##
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## Compute the location and size of where this firmware image
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## (linuxBIOS plus bootloader) will live in the boot rom chip.
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##
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#if USE_FALLBACK_IMAGE
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default ROM_SECTION_SIZE = FALLBACK_SIZE
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default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE )
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#else
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# default ROM_SECTION_SIZE = ( ROM_SIZE - FALLBACK_SIZE )
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# default ROM_SECTION_OFFSET = 0
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#end
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##
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## Compute the start location and size size of
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## The linuxBIOS bootloader.
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##
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default PAYLOAD_SIZE = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
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default CONFIG_ROM_STREAM_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
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default CONFIG_ROM_STREAM = 1
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##
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## Compute where this copy of linuxBIOS will start in the boot rom
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##
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default _ROMBASE = ( CONFIG_ROM_STREAM_START + PAYLOAD_SIZE )
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##
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## Compute a range of ROM that can cached to speed up linuxBIOS,
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## execution speed.
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##
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## XIP_ROM_SIZE must be a power of 2.
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## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE
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##
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default XIP_ROM_SIZE=0x8000
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default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE )
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##
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## Set all of the defaults for an x86 architecture
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##
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arch i386 end
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cpu p5 "qemu_cpu" end
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##
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## Build the objects we have code for in this directory.
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##
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driver mainboard.o
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##
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## Romcc output
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##
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makerule ./failover.E
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depends "$(MAINBOARD)/failover.c"
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action "$(CPP) -I$(TOP)/src $(ROMCCPPFLAGS) $(CPPFLAGS) $(MAINBOARD)/failover.c > ./failover.E"
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end
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makerule ./failover.inc
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depends "./failover.E ./romcc"
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action "./romcc -O -mcpu=i386 -o failover.inc --label-prefix=failover ./failover.E"
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end
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makerule ./auto.E
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depends "$(MAINBOARD)/auto.c"
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action "$(CPP) -I$(TOP)/src $(ROMCCPPFLAGS) $(CPPFLAGS) $(MAINBOARD)/auto.c > ./auto.E"
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end
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makerule ./auto.inc
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depends "./auto.E ./romcc"
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action "./romcc -O -mcpu=i386 ./auto.E "
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end
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##
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## Build our 16 bit and 32 bit linuxBIOS entry code
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##
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mainboardinit cpu/i386/entry16.inc
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mainboardinit cpu/i386/entry32.inc
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ldscript /cpu/i386/entry16.lds
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ldscript /cpu/i386/entry32.lds
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##
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## Build our reset vector (This is where linuxBIOS is entered)
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##
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if USE_FALLBACK_IMAGE
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mainboardinit cpu/i386/reset16.inc
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ldscript /cpu/i386/reset16.lds
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else
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mainboardinit cpu/i386/reset32.inc
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ldscript /cpu/i386/reset32.lds
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end
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### Should this be in the northbridge code?
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mainboardinit arch/i386/lib/cpu_reset.inc
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##
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## Include an id string (For safe flashing)
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##
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mainboardinit arch/i386/lib/id.inc
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ldscript /arch/i386/lib/id.lds
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##
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## Setup our mtrrs
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##
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# mainboardinit cpu/p6/earlymtrr.inc
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###
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### This is the early phase of linuxBIOS startup
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### Things are delicate and we test to see if we should
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### failover to another image.
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###
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#if USE_FALLBACK_IMAGE
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ldscript /arch/i386/lib/failover.lds
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mainboardinit ./failover.inc
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#end
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###
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### O.k. We aren't just an intermediary anymore!
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###
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##
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## Setup RAM
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##
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mainboardinit ./auto.inc
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##
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## Include the secondary Configuration files
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##
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dir /pc80
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dir /drivers/emulation/qemu
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config chip.h
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northbridge emulation/qemu-i386 "nb_qemu"
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end
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##
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## Include the old serial code for those few places that still need it.
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##
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mainboardinit pc80/serial.inc
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mainboardinit arch/i386/lib/console.inc
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@ -0,0 +1,38 @@
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#define ASSEMBLY 1
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#include <stdint.h>
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#include <device/pci_def.h>
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#include <device/pci_ids.h>
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#include <cpu/p6/apic.h>
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#include <arch/io.h>
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#include <device/pnp_def.h>
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#include <arch/romcc_io.h>
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#include <arch/hlt.h>
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#include "pc80/serial.c"
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#include "arch/i386/lib/console.c"
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#include "cpu/p6/earlymtrr.c"
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/*
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*/
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void udelay(int usecs)
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{
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int i;
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for(i = 0; i < usecs; i++)
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outb(i&0xff, 0x80);
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}
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#include "lib/delay.c"
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#include "cpu/p6/boot_cpu.c"
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#include "debug.c"
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static void main(void)
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{
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/* init_timer();*/
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outb(5, 0x80);
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uart_init();
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console_init();
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//print_pci_devices();
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//dump_pci_devices();
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}
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extern struct chip_control mainboard_emulation_qemu_i386_control;
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struct mainboard_emulation_qemu_i386_config {
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int nothing;
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};
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static void print_debug_pci_dev(unsigned dev)
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{
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print_debug("PCI: ");
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print_debug_hex8((dev >> 16) & 0xff);
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print_debug_char(':');
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print_debug_hex8((dev >> 11) & 0x1f);
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print_debug_char('.');
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print_debug_hex8((dev >> 8) & 7);
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}
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static void print_pci_devices(void)
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{
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device_t dev;
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for(dev = PCI_DEV(0, 0, 0);
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dev <= PCI_DEV(0, 0x1f, 0x7);
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dev += PCI_DEV(0,0,1)) {
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uint32_t id;
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id = pci_read_config32(dev, PCI_VENDOR_ID);
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if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
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(((id >> 16) & 0xffff) == 0xffff) ||
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(((id >> 16) & 0xffff) == 0x0000)) {
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continue;
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}
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print_debug_pci_dev(dev);
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print_debug("\r\n");
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}
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}
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static void dump_pci_device(unsigned dev)
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{
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int i;
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print_debug_pci_dev(dev);
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print_debug("\r\n");
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for(i = 0; i <= 255; i++) {
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unsigned char val;
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if ((i & 0x0f) == 0) {
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print_debug_hex8(i);
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print_debug_char(':');
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}
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val = pci_read_config8(dev, i);
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print_debug_char(' ');
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print_debug_hex8(val);
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if ((i & 0x0f) == 0x0f) {
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print_debug("\r\n");
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}
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}
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}
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static void dump_pci_devices(void)
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{
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device_t dev;
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for(dev = PCI_DEV(0, 0, 0);
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dev <= PCI_DEV(0, 0x1f, 0x7);
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dev += PCI_DEV(0,0,1)) {
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uint32_t id;
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id = pci_read_config32(dev, PCI_VENDOR_ID);
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if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
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(((id >> 16) & 0xffff) == 0xffff) ||
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(((id >> 16) & 0xffff) == 0x0000)) {
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continue;
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}
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dump_pci_device(dev);
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}
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}
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#if 0
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static void dump_spd_registers(const struct mem_controller *ctrl)
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{
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int i;
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print_debug("\r\n");
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for(i = 0; i < 4; i++) {
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unsigned device;
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device = ctrl->channel0[i];
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if (device) {
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int j;
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print_debug("dimm: ");
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print_debug_hex8(i);
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print_debug(".0: ");
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print_debug_hex8(device);
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for(j = 0; j < 256; j++) {
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int status;
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unsigned char byte;
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if ((j & 0xf) == 0) {
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print_debug("\r\n");
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print_debug_hex8(j);
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print_debug(": ");
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}
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status = smbus_read_byte(device, j);
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if (status < 0) {
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print_debug("bad device\r\n");
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break;
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}
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byte = status & 0xff;
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print_debug_hex8(byte);
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print_debug_char(' ');
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}
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print_debug("\r\n");
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}
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device = ctrl->channel1[i];
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if (device) {
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int j;
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print_debug("dimm: ");
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print_debug_hex8(i);
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print_debug(".1: ");
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print_debug_hex8(device);
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for(j = 0; j < 256; j++) {
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int status;
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unsigned char byte;
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if ((j & 0xf) == 0) {
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print_debug("\r\n");
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print_debug_hex8(j);
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print_debug(": ");
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}
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status = smbus_read_byte(device, j);
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if (status < 0) {
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print_debug("bad device\r\n");
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break;
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}
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byte = status & 0xff;
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print_debug_hex8(byte);
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print_debug_char(' ');
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}
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print_debug("\r\n");
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}
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}
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}
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#endif
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@ -0,0 +1,29 @@
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#define ASSEMBLY 1
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#include <stdint.h>
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#include <device/pci_def.h>
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#include <device/pci_ids.h>
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#include <arch/io.h>
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#include "arch/romcc_io.h"
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#include "pc80/mc146818rtc_early.c"
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#include "cpu/p6/boot_cpu.c"
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static void main(void)
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{
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/* for now, just always assume failure */
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#if 0
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/* Is this a cpu reset? */
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if (cpu_init_detected()) {
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if (last_boot_normal()) {
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asm("jmp __normal_image");
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} else {
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asm("jmp __cpu_reset");
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}
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}
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/* This is the primary cpu how should I boot? */
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else if (do_normal_boot()) {
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asm("jmp __normal_image");
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}
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#endif
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}
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@ -0,0 +1,32 @@
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/* This file was generated by getpir.c, do not modify!
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(but if you do, please run checkpir on it to verify)
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Contains the IRQ Routing Table dumped directly from your memory , wich BIOS sets up
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Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
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*/
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#include <arch/pirq_routing.h>
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const struct irq_routing_table intel_irq_routing_table = {
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PIRQ_SIGNATURE, /* u32 signature */
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PIRQ_VERSION, /* u16 version */
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32+16*5, /* there can be total 5 devices on the bus */
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0, /* Where the interrupt router lies (bus) */
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0x88, /* Where the interrupt router lies (dev) */
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0x1c20, /* IRQs devoted exclusively to PCI usage */
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0x1106, /* Vendor */
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0x8231, /* Device */
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0, /* Crap (miniport) */
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
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0x5e, /* u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
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{
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/* 8231 ethernet */
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{0,0x90, {{0x1, 0xdeb8}, {0x2, 0xdeb8}, {0x3, 0xdeb8}, {0x4, 0xdeb8}}, 0x1, 0},
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/* 8231 internal */
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{0,0x88, {{0x2, 0xdeb8}, {0x3, 0xdeb8}, {0x4, 0xdeb8}, {0x1, 0xdeb8}}, 0x2, 0},
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/* PCI slot */
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{0,0xa0, {{0x3, 0xdeb8}, {0x4, 0xdeb8}, {0x1, 0xdeb8}, {0x2, 0xdeb8}}, 0, 0},
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{0,0x50, {{0x4, 0xdeb8}, {0x3, 0xdeb8}, {0x2, 0xdeb8}, {0x1, 0xdeb8}}, 0x3, 0},
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{0,0x98, {{0x4, 0xdeb8}, {0x3, 0xdeb8}, {0x2, 0xdeb8}, {0x1, 0xdeb8}}, 0x4, 0},
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}
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};
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@ -0,0 +1,49 @@
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <device/pci_ops.h>
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#include <arch/io.h>
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#include <device/chip.h>
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#include "chip.h"
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void cpufixup(unsigned long mem)
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{
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printk_spew("Welcome to LinuxBIOS CPU fixup. done.\n");
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||||
}
|
||||
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static int mainboard_scan_bus(device_t root, int maxbus)
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{
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int retval;
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printk_spew("%s: root %p maxbus %d\n", __FUNCTION__, root, maxbus);
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retval = pci_scan_bus(root->bus, 0, 0xff, maxbus);
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printk_spew("DONE %s: return %d\n", __FUNCTION__, maxbus);
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return maxbus;
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||||
}
|
||||
|
||||
static struct device_operations mainboard_operations = {
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||||
.read_resources = root_dev_read_resources,
|
||||
.set_resources = root_dev_set_resources,
|
||||
.enable_resources = enable_childrens_resources,
|
||||
.init = 0,
|
||||
.scan_bus = mainboard_scan_bus,
|
||||
.enable = 0,
|
||||
};
|
||||
|
||||
static void enumerate(struct chip *chip)
|
||||
{
|
||||
struct chip *child;
|
||||
dev_root.ops = &mainboard_operations;
|
||||
chip->dev = &dev_root;
|
||||
chip->bus = 0;
|
||||
for(child = chip->children; child; child = child->next) {
|
||||
child->bus = &dev_root.link[0];
|
||||
}
|
||||
}
|
||||
|
||||
struct chip_control mainboard_emulation_qemu_i386_control = {
|
||||
.enumerate = enumerate,
|
||||
.name = "qemu mainboard ",
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue