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host_resource_owner Struct Reference

Dummy class to own all pre-allocated physical resources. More...

#include <host_resource_owner.hpp>

Inheritance diagram for host_resource_owner:

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Collaboration diagram for host_resource_owner:

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List of all members.

Public Member Functions

virtual uint32_t read_ioport (l4_port_t port, access_size access_size)
 Emulate a device's I/O space read access and return the value that should have been read.
virtual int write_ioport (l4_port_t port, uint32_t data, access_size access_size)
 Emulate a device's I/O space write access.
virtual l4_umword_t read_mmio (l4_gpa_t address, access_size access_size)
 Emulate a device's memory mapped I/O read access and return the value that should have been read.
virtual int write_mmio (l4_gpa_t address, l4_umword_t data, access_size access_size)
 Emulate a device's memory mapped I/O write access.
virtual l4_hva_t map_mmio_region (int flags, l4_gpa_t base, l4_gpa_t size=1)
 Maps the specified (guest) physical memory region to the hosts (virtual) address space.
virtual int unmap_mmio_region (l4_gpa_t base, l4_gpa_t size=1)
 Unmaps the specified (guest) physical memory region from the hosts (virtual) address space.
virtual void irq_moved (l4_irq_t from, l4_irq_t to)
 Called whenever the IRQ management chooses to assign this source annother IRQ than the requested one.


Detailed Description

Dummy class to own all pre-allocated physical resources.

Enters the kernel debugger, if one of its handler functions is ever called. This is a bug.


Member Function Documentation

virtual uint32_t host_resource_owner::read_ioport ( l4_port_t  port,
access_size  access_size 
) [inline, virtual]

Emulate a device's I/O space read access and return the value that should have been read.

This function is intended to be overridden.

Implements iospace_handler.

References iospace_handler::INVALID.

virtual int host_resource_owner::write_ioport ( l4_port_t  port,
uint32_t  data,
access_size  access_size 
) [inline, virtual]

Emulate a device's I/O space write access.

This function is intended to be overridden.

Implements iospace_handler.

virtual l4_umword_t host_resource_owner::read_mmio ( l4_gpa_t  address,
access_size  access_size 
) [inline, virtual]

Emulate a device's memory mapped I/O read access and return the value that should have been read.

This function is intended to be overridden.

Implements mmio_handler.

References mmio_handler::INVALID.

virtual int host_resource_owner::write_mmio ( l4_gpa_t  address,
l4_umword_t  data,
access_size  access_size 
) [inline, virtual]

Emulate a device's memory mapped I/O write access.

This function is intended to be overridden.

Implements mmio_handler.

virtual l4_hva_t host_resource_owner::map_mmio_region ( int  flags,
l4_gpa_t  base,
l4_gpa_t  size = 1 
) [inline, virtual]

Maps the specified (guest) physical memory region to the hosts (virtual) address space.

This function is intended to be overridden.

Implements mmio_handler.

virtual int host_resource_owner::unmap_mmio_region ( l4_gpa_t  base,
l4_gpa_t  size = 1 
) [inline, virtual]

Unmaps the specified (guest) physical memory region from the hosts (virtual) address space.

This function is intended to be overridden.

Implements mmio_handler.

virtual void host_resource_owner::irq_moved ( l4_irq_t  from,
l4_irq_t  to 
) [inline, virtual]

Called whenever the IRQ management chooses to assign this source annother IRQ than the requested one.

This function is intended to be overridden.

Implements irq_source.


The documentation for this struct was generated from the following file:

L4vmm Reference Manual, written by Mario Schwalbe  © 2006-2008