vancouver/model/directmem.cc File Reference

#include "nul/motherboard.h"

Classes
class	DirectMemDevice
	Direct IOIO access. More...
Functions
	PARAM (mio,{unsigned long size;unsigned long dest=(argv[2]==~0UL)?argv[0]:argv[2];if(argv[1]==~0UL) size=1;else size=Cpu::bsr(argv[1]|1);MessageHostOp msg(MessageHostOp::OP_ALLOC_IOMEM, argv[0], 1<< size);if(!mb.bus_hostop.send(msg)||!msg.ptr) Logging::panic("can not map IOMEM region %lx+%lx", msg.value, msg.len);Device *dev=new DirectMemDevice(msg.ptr, dest, 1<< size);mb.bus_memregion.add(dev, DirectMemDevice::receive_static< MessageMemRegion >);mb.bus_mem.add(dev, DirectMemDevice::receive_static< MessageMem >);},"mio:base,size,dest=base - map hostmemory directly into the VM.","Example: 'mio:0xa0000,0x10000'.")

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Function Documentation

PARAM

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mio

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