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tools/firmware: use a canned config for seabios
The use of seabios defconfig kills boot performance of Windows guests because the default is for the int13 handler to use PIO when accessing the emulated IDE device. By instead using a canned configuration with the ATA settings overridden to enable DMA access (and also wider PIO) boot performance is markedly improved without the need to use a different (and possibly not supported) device model. This patch adds the canned configuration into tools/firmware and modifies the Makefile rule to copy it into place. Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Acked-by: Wei Liu <wei.liu2@citrix.com>
This commit is contained in:
Paul Durrant authored and Wei Liu committed
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commit
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@@ -21,7 +21,7 @@ ovmf-dir:
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seabios-dir:
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GIT=$(GIT) $(XEN_ROOT)/scripts/git-checkout.sh $(SEABIOS_UPSTREAM_URL) $(SEABIOS_UPSTREAM_REVISION) seabios-dir
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$(MAKE) -C seabios-dir defconfig
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cp seabios-config seabios-dir/.config;
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.PHONY: all
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all: $(SUBDIRS-y)
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@@ -0,0 +1,108 @@
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#
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# SeaBIOS Configuration
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#
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#
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# General Features
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#
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# CONFIG_COREBOOT is not set
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CONFIG_QEMU=y
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# CONFIG_CSM is not set
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CONFIG_QEMU_HARDWARE=y
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CONFIG_XEN=y
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CONFIG_THREADS=y
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CONFIG_RELOCATE_INIT=y
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CONFIG_BOOTMENU=y
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CONFIG_BOOTSPLASH=y
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CONFIG_BOOTORDER=y
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CONFIG_ENTRY_EXTRASTACK=y
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CONFIG_MALLOC_UPPERMEMORY=y
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CONFIG_ROM_SIZE=0
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#
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# Hardware support
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#
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CONFIG_ATA=y
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CONFIG_ATA_DMA=y
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CONFIG_ATA_PIO32=y
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CONFIG_AHCI=y
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CONFIG_SDCARD=y
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CONFIG_VIRTIO_BLK=y
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CONFIG_VIRTIO_SCSI=y
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CONFIG_PVSCSI=y
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CONFIG_ESP_SCSI=y
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CONFIG_LSI_SCSI=y
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CONFIG_MEGASAS=y
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CONFIG_MPT_SCSI=y
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CONFIG_FLOPPY=y
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CONFIG_FLASH_FLOPPY=y
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CONFIG_PS2PORT=y
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CONFIG_USB=y
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CONFIG_USB_UHCI=y
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CONFIG_USB_OHCI=y
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CONFIG_USB_EHCI=y
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CONFIG_USB_XHCI=y
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CONFIG_USB_MSC=y
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CONFIG_USB_UAS=y
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CONFIG_USB_HUB=y
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CONFIG_USB_KEYBOARD=y
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CONFIG_USB_MOUSE=y
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CONFIG_SERIAL=y
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CONFIG_LPT=y
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CONFIG_RTC_TIMER=y
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CONFIG_HARDWARE_IRQ=y
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CONFIG_USE_SMM=y
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CONFIG_CALL32_SMM=y
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CONFIG_MTRR_INIT=y
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CONFIG_PMTIMER=y
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CONFIG_TSC_TIMER=y
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#
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# BIOS interfaces
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#
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CONFIG_DRIVES=y
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CONFIG_CDROM_BOOT=y
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CONFIG_CDROM_EMU=y
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CONFIG_PCIBIOS=y
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CONFIG_APMBIOS=y
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CONFIG_PNPBIOS=y
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CONFIG_OPTIONROMS=y
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CONFIG_PMM=y
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CONFIG_BOOT=y
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CONFIG_KEYBOARD=y
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CONFIG_KBD_CALL_INT15_4F=y
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CONFIG_MOUSE=y
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CONFIG_S3_RESUME=y
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CONFIG_VGAHOOKS=y
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# CONFIG_DISABLE_A20 is not set
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# CONFIG_WRITABLE_UPPERMEMORY is not set
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CONFIG_TCGBIOS=y
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#
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# BIOS Tables
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#
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CONFIG_PIRTABLE=y
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CONFIG_MPTABLE=y
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CONFIG_SMBIOS=y
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CONFIG_ACPI=y
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CONFIG_ACPI_DSDT=y
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CONFIG_FW_ROMFILE_LOAD=y
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#
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# VGA ROM
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#
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CONFIG_NO_VGABIOS=y
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# CONFIG_VGA_STANDARD_VGA is not set
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# CONFIG_VGA_CIRRUS is not set
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# CONFIG_VGA_BOCHS is not set
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# CONFIG_VGA_GEODEGX2 is not set
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# CONFIG_VGA_GEODELX is not set
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# CONFIG_BUILD_VGABIOS is not set
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CONFIG_VGA_EXTRA_STACK_SIZE=512
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#
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# Debugging
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#
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CONFIG_DEBUG_LEVEL=1
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# CONFIG_DEBUG_SERIAL is not set
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CONFIG_DEBUG_IO=y
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