Documentation
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Index ¶
- Constants
- type Serial16550MMIO
- func (s *Serial16550MMIO) Init(vm hv.VirtualMachine) error
- func (s *Serial16550MMIO) ReadMMIO(ctx hv.ExitContext, addr uint64, data []byte) error
- func (s *Serial16550MMIO) Reset() error
- func (s *Serial16550MMIO) SetIRQLine(line chipset.LineInterrupt)
- func (s *Serial16550MMIO) Start() error
- func (s *Serial16550MMIO) Stop() error
- func (s *Serial16550MMIO) SupportsMmio() *chipset.MmioIntercept
- func (s *Serial16550MMIO) SupportsPollDevice() *chipset.PollDevice
- func (s *Serial16550MMIO) SupportsPortIO() *chipset.PortIOIntercept
- func (s *Serial16550MMIO) WriteMMIO(ctx hv.ExitContext, addr uint64, data []byte) error
- type UART8250MMIO
- type UART8250Template
Constants ¶
const ( // UART8250DefaultClock is the reference clock used by the guest UART. UART8250DefaultClock = 1843200 // UART8250MMIOSize reserves a 4 KiB region for the UART registers. UART8250MMIOSize = 0x1000 )
const ( // Serial16550MMIOSize is the default MMIO region size for Serial16550. // This reserves space for the 8 registers with up to 4-byte stride. Serial16550MMIOSize = 0x1000 )
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Serial16550MMIO ¶
type Serial16550MMIO struct {
// contains filtered or unexported fields
}
Serial16550MMIO wraps a Serial16550 device and exposes it via MMIO instead of PIO. It supports configurable register stride (1, 2, or 4 bytes) to match different hardware implementations.
func NewSerial16550MMIO ¶
func NewSerial16550MMIO(base uint64, regShift uint32, irqLine chipset.LineInterrupt, out io.Writer, in io.Reader) *Serial16550MMIO
NewSerial16550MMIO creates a new Serial16550MMIO wrapper. base is the MMIO base address, regShift controls register spacing (stride = 1 << regShift), irqLine is the interrupt line, and out/in are the output/input streams.
func (*Serial16550MMIO) Init ¶
func (s *Serial16550MMIO) Init(vm hv.VirtualMachine) error
Init implements hv.Device.
func (*Serial16550MMIO) ReadMMIO ¶
func (s *Serial16550MMIO) ReadMMIO(ctx hv.ExitContext, addr uint64, data []byte) error
ReadMMIO implements chipset.MmioHandler.
func (*Serial16550MMIO) Reset ¶
func (s *Serial16550MMIO) Reset() error
Reset implements chipset.ChangeDeviceState.
func (*Serial16550MMIO) SetIRQLine ¶
func (s *Serial16550MMIO) SetIRQLine(line chipset.LineInterrupt)
SetIRQLine configures the LineInterrupt used for IRQ delivery.
func (*Serial16550MMIO) Start ¶
func (s *Serial16550MMIO) Start() error
Start implements chipset.ChangeDeviceState.
func (*Serial16550MMIO) Stop ¶
func (s *Serial16550MMIO) Stop() error
Stop implements chipset.ChangeDeviceState.
func (*Serial16550MMIO) SupportsMmio ¶
func (s *Serial16550MMIO) SupportsMmio() *chipset.MmioIntercept
SupportsMmio implements chipset.ChipsetDevice.
func (*Serial16550MMIO) SupportsPollDevice ¶
func (s *Serial16550MMIO) SupportsPollDevice() *chipset.PollDevice
SupportsPollDevice implements chipset.ChipsetDevice.
func (*Serial16550MMIO) SupportsPortIO ¶
func (s *Serial16550MMIO) SupportsPortIO() *chipset.PortIOIntercept
SupportsPortIO implements chipset.ChipsetDevice. Returns nil since this device only supports MMIO.
func (*Serial16550MMIO) WriteMMIO ¶
func (s *Serial16550MMIO) WriteMMIO(ctx hv.ExitContext, addr uint64, data []byte) error
WriteMMIO implements chipset.MmioHandler.
type UART8250MMIO ¶
type UART8250MMIO struct {
// contains filtered or unexported fields
}
UART8250MMIO implements a minimal 16550-compatible UART exposed via MMIO.
func NewUART8250MMIO ¶
NewUART8250MMIO builds a UART with the supplied base address. regShift controls the spacing of successive registers (stride = 1 << regShift).
func (*UART8250MMIO) Init ¶
func (s *UART8250MMIO) Init(vm hv.VirtualMachine) error
Init implements hv.Device.
func (*UART8250MMIO) MMIORegions ¶
func (s *UART8250MMIO) MMIORegions() []hv.MMIORegion
MMIORegions implements hv.MemoryMappedIODevice.
func (*UART8250MMIO) ReadMMIO ¶
func (s *UART8250MMIO) ReadMMIO(ctx hv.ExitContext, addr uint64, data []byte) error
ReadMMIO implements hv.MemoryMappedIODevice.
func (*UART8250MMIO) WriteMMIO ¶
func (s *UART8250MMIO) WriteMMIO(ctx hv.ExitContext, addr uint64, data []byte) error
WriteMMIO implements hv.MemoryMappedIODevice.
type UART8250Template ¶
UART8250Template is an hv.DeviceTemplate for the MMIO UART.
func (UART8250Template) Create ¶
func (t UART8250Template) Create(vm hv.VirtualMachine) (hv.Device, error)
Create implements hv.DeviceTemplate.
Source Files