choice prompt "Type of boot firmware (BIOS) on the target platform" default PLATFORM_SBL help The boot firmware (BIOS) used on the target board. config PLATFORM_UEFI bool "UEFI" select EFI_STUB help Select this if the target board uses UEFI. config PLATFORM_SBL bool "SBL" help Select this if the target board uses Slim Bootloader. endchoice choice prompt "Hypervisor mode" default SHARING_MODE help Select the usage mode of the hypervisor. config SHARING_MODE bool "Sharing mode" help In sharing mode, the first VM (called Service OS or SOS) is capable of managing the other VMs (called User OS or UOS) and trap/mediate their I/O accesses to physical devices. config PARTITION_MODE bool "Partition mode" depends on PLATFORM_SBL help In partition mode, every VM owns part of the physical resources exclusively and runs with minimal interference from the others. The VM configurations are statically defined in the source. endchoice choice prompt "I/O emulation completion mode" default IOREQ_NOTIFICATION help Select the mode of I/O emulation completion config IOREQ_NOTIFICATION bool "Notification mode" help When I/O request is completed, SOS will mark the completion status and notify hypervisor via hypercall. Hypervisor will finish the post work when notification is received. config IOREQ_POLLING bool "Polling mode" help When I/O request is completed, SOS will only mark completion status without notifying hypervisor. Hypervisor will poll the completion status and finish the post work. endchoice config BOARD string "Target board" help The target board this build runs on top of. config DEFCONFIG_LIST string option defconfig_list default "arch/x86/configs/$BOARD.config" config RELEASE bool "Release build" default n help Whether to build a release version of the hypervisor. Logs, serial console and hypervisor shell are available only in non-release (i.e. debug) builds. Assertions are not effective in release builds. config MAX_VM_NUM int "Maximum number of VM" range 1 8 default 4 help The maximum number of virtual machines (VMs) the hypervisor can support. This is customizable per the use cases of the build. For general-purpose builds the maximum of physical cores can be used. config MAX_VCPUS_PER_VM int "Maximum number of VCPUs per VM" range 1 8 default 4 if PLATFORM_SBL default 8 if PLATFORM_UEFI help The maximum number of virtual CPUs the hypervisor can support in a single VM. config MAX_PCPU_NUM int "Maximum number of PCPU" range 1 8 default 8 config MAX_EMULATED_MMIO_REGIONS int "Maximum number of emulated MMIO regions" range 0 128 default 16 config MAX_PT_IRQ_ENTRIES int "Maximum number of interrupt source for PT devices" range 0 128 default 64 config MAX_IOMMU_NUM int "Maximum number of IOMMU devices" range 1 2 default 2 help The maximum number of physical IOMMUs the hypervisor can support. config STACK_SIZE hex "Capacity of one stack, in bytes" default 0x2000 help The size of stacks used by physical cores. Each core uses one stack for normal operations and another three for specific exceptions. config LOG_BUF_SIZE hex "Capacity of logbuf for each physical cpu" default 0x40000 config LOG_DESTINATION int "Bitmap of consoles where logs are printed" range 0 7 default 7 help A bitmap indicating the destinations of log messages. Currently there are 3 destinations available. Bit 0 represents the serial console, bit 1 the SOS ACRN log and bit 2 NPK log. Effective only in debug builds. config CPU_UP_TIMEOUT int "Timeout in ms when bringing up secondary CPUs" range 100 200 default 100 help A 32-bit integer specifying the timeout in millisecond when waiting for secondary CPUs to start up. choice prompt "Serial IO type" depends on !RELEASE optional help If selected, this configures whether the physical serial port shall be accessed via memory-mapped registers or I/O ports. If this is not selected, the serial port is disabled. This is the default. config SERIAL_PCI bool "PCI" help Select this if the serial port shall be accessed via PCI memory-mapped registers. config SERIAL_LEGACY bool "Legacy" help Select this if the serial port shall be accessed via legacy port in/out instructions. endchoice config SERIAL_PCI_BDF hex "BDF value of serial PCI device" depends on SERIAL_PCI default 0x00C2 help A 16-bit integer encoding bus, device and function of the serial PCI device. This integer consists of 8-bit bus ID, 5-bit device ID and 3-bit function ID. As an example,for PCI device 00:18.2, this BDF would be (0 << 8) | (0x18 << 3) | (2 << 0), it's 0x00C2. config SERIAL_PIO_BASE hex "Base address of serial PIO region" depends on SERIAL_LEGACY default 0x3f8 help The base address of the serial ports. This is logically 16-bit but used as a 64-bit integer. config COM_BASE hex "Base address of the vuart port" depends on !RELEASE default 0x3f8 help Base address of the vuart port. config COM_IRQ hex "IRQ of the vuart port" depends on !RELEASE default 4 help IRQ of the vuart port. config MALLOC_ALIGN int "Block size in the heap for malloc()" range 8 32 default 16 config HEAP_SIZE hex "Capacity of the heap for malloc()" default 0x100000 config CONSOLE_LOGLEVEL_DEFAULT int "Default loglevel on the serial console" depends on !RELEASE range 0 6 default 3 help This indicates the maximum debug level of logs that will be available on the the serial console. The higher the number, the more logs will be available. config MEM_LOGLEVEL_DEFAULT int "Default loglevel in memory" depends on !RELEASE range 0 6 default 5 help This indicates the maximum debug level of logs that will be available in the logbuf in memory which can be accessed by ACRN log in SOS. The higher the number, the more logs will be available. config NPK_LOGLEVEL_DEFAULT int "Default loglevel for the hypervisor NPK log" depends on !RELEASE range 0 6 default 5 help This indicates the maximum debug level of logs that will be available via NPK log. The higher the number, the more logs will be available. config LOW_RAM_SIZE hex "Size of the low RAM region" default 0x00010000 help A 32-bit integer indicating the size of RAM region below address 0x10000, starting from address 0x0. config HV_RAM_START hex "Start physical address of the RAM region used by the hypervisor" default 0x6e000000 if PLATFORM_SBL default 0x00100000 if PLATFORM_UEFI help A 64-bit integer indicating the base physical address where the hypervisor should be loaded. If RELOC is disabled, the bootloader is required to load the hypervisor to this specific address. Otherwise the hypervisor will not boot. With RELOC enabled the hypervisor may relocate its symbols to where it is placed, and thus the bootloader might not place the hypervisor at this specific address. config HV_RAM_SIZE hex "Size of the RAM region used by the hypervisor" default 0x07800000 if PLATFORM_SBL default 0x0b000000 if PLATFORM_UEFI help A 64-bit integer indicating the size of RAM used by the hypervisor. It is ensured at link time that the footprint of the hypervisor does not exceed this size. config PLATFORM_RAM_SIZE hex "Size of the physical platform RAM" default 0x200000000 if PLATFORM_SBL default 0x400000000 if PLATFORM_UEFI help A 64-bit integer indicating the size of the physical platform RAM (MMIO not included). config SOS_RAM_SIZE hex "Size of the vm0 (SOS) RAM" default 0x200000000 if PLATFORM_SBL default 0x400000000 if PLATFORM_UEFI help A 64-bit integer indicating the size of the vm0 (SOS) RAM (MMIO not included). config UOS_RAM_SIZE hex "Size of the User OS (UOS) RAM" default 0x100000000 if PLATFORM_SBL default 0x200000000 if PLATFORM_UEFI help A 64-bit integer indicating the size of the User OS RAM (MMIO not included). Now we assume each UOS uses same amount of RAM size. config CONSTANT_ACPI bool "The platform ACPI info is constant" default n help Whether constant ACPI tables shall be used. If selected, the built-in ACPI tables, usually generated on target platforms by an offline tool, will be used. If not a fixup subroutine will be invoked to update the built-in tables after parsing the real ACPI tables at runtime. config DMAR_PARSE_ENABLED bool "Enable ACPI DMA Remapping tables parsing" default n if PLATFORM_SBL default y if PLATFORM_UEFI help Whether to parse the ACPI DMA Remapping tables at runtime. config GPU_SBDF hex "Segment, Bus, Device, and function of the GPU" depends on DMAR_PARSE_ENABLED default 0x00000010 help A 32-bit integer encoding the segment, bus, device and function of the GPU. This integer consists of a 16-bit segment ID, 8-bit bus ID, 5-bit device ID and 3-bit function ID. As an example, for PCI device at 00:02.0 in DRHD segment 0, this SBDF would be (0 << 16) | (0 << 8) | (2 << 3) | (0 << 0), i.e. 0x00000010. config EFI_STUB bool "Enable EFI stub" depends on PLATFORM_UEFI default y config UEFI_OS_LOADER_NAME string "UEFI OS loader name" depends on PLATFORM_UEFI default "\\EFI\\org.clearlinux\\bootloaderx64.efi" config MTRR_ENABLED bool "Memory Type Range Registers (MTRR) enabled" default y config RELOC bool "Enable hypervisor relocation" default n help When selected, the hypervisor will relocate itself to where it is loaded. This allows the bootloader to put the hypervisor image to wherever appropriate. Without relocation the bootloader must put the image to RAM_START, otherwise the hypervisor will not start up. config IOMMU_BUS_NUM hex "Highest PCI bus ID used during IOMMU initialization" default 0x10 if PLATFORM_SBL default 0x100 if PLATFORM_UEFI help Any BDF with a bus ID smaller than this number is mapped to the IOMMU domain of the first VM. config MAX_PCI_DEV_NUM int "Maximum number of PCI devices" range 1 1024 default 96 config MAX_MSIX_TABLE_NUM int "Maximum number of MSI-X tables per device" range 1 2048 default 16 config ENFORCE_VALIDATED_ACPI_INFO bool "Enforce the use of validated ACPI info table" default n help When set, the use of validated ACPI info tables is enforced and using an offline tool to generate such data is required. Otherwise a warning will be printed when validated ACPI info is unavailable, but a binary can still be built with the ACPI info template. config L1D_FLUSH_VMENTRY_ENABLED bool "Enable L1 cache flush before VM entry" default n