158 lines
3.0 KiB
C++
158 lines
3.0 KiB
C++
/*
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* \brief Simple Iso9660 test program
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* \author Sebastian Sumpf
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* \date 2010-07-26
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*/
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/*
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* Copyright (C) 2010-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#include <base/printf.h>
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#include <rom_session/connection.h>
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#include <dataspace/client.h>
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#include <rm_session/connection.h>
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#include <base/thread.h>
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using namespace Genode;
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void dump(uint8_t *ptr, unsigned long offset)
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{
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unsigned long *_ptr = (unsigned long *)(ptr + offset);
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for (int i = 0; i < 4; i++) {
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printf("%08lx: ", offset);
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int j;
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for (j = 0; j < 5; j++)
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printf("%08lx ", _ptr[(i * 8) + j]);
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offset += j * sizeof(unsigned long);
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printf("\n");
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}
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printf("\n");
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}
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class Pager : public Thread<8192>
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{
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private:
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Signal_receiver _receiver;
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Dataspace_capability _ds;
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Rm_connection *_rm;
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public:
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Pager() : Thread("pager") { }
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Signal_receiver *signal_receiver() { return &_receiver; }
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void entry()
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{
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while (true) {
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Signal signal = _receiver.wait_for_signal();
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for (unsigned i = 0; i < signal.num(); i++)
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handle_fault();
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}
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}
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void handle_fault()
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{
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Rm_session::State state = _rm->state();
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addr_t addr = state.addr & ~(0xfff);
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_rm->attach_at(_ds, addr, 0x1000, addr - 0x1000);
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}
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void dataspace(Dataspace_capability ds) { _ds = ds; }
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void rm(Rm_connection *rm) { _rm = rm; }
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static Pager* pager()
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{
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static Pager _pager;
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return &_pager;
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}
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static Pager* pager2()
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{
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static Pager _pager;
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return &_pager;
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}
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static Pager* pager3()
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{
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static Pager _pager;
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return &_pager;
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}
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};
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int main()
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{
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Dataspace_capability ds;
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uint8_t *ptr = 0;
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static Signal_context context;
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static Signal_context context2;
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try {
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Rom_connection rom("/test.txt");
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rom.on_destruction(Rom_connection::KEEP_OPEN);
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ds = rom.dataspace();
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Dataspace_client client(ds);
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ptr = env()->rm_session()->attach(ds);
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printf("File size is %zx at %p\n", client.size(), ptr);
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}
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catch (...) {
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PDBG("Rom error");
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return 1;
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}
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Rm_connection rm(0, Dataspace_client(ds).size());
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rm.fault_handler(Pager::pager()->signal_receiver()->manage(&context));
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Pager::pager()->dataspace(ds);
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Pager::pager()->rm(&rm);
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/* start pager thread */
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Pager::pager()->start();
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uint8_t *ptr_nest = env()->rm_session()->attach(rm.dataspace());
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Rm_connection rm2(0, Dataspace_client(ds).size());
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rm2.fault_handler(Pager::pager2()->signal_receiver()->manage(&context2));
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Pager::pager2()->dataspace(rm.dataspace());
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Pager::pager2()->rm(&rm2);
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Pager::pager2()->start();
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uint8_t *ptr_nest2 = env()->rm_session()->attach(rm2.dataspace());
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dump(ptr, 0x1000);
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dump(ptr_nest, 0x2000);
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dump(ptr_nest2, 0x3000);
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dump(ptr, 0x10000);
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dump(ptr, 0x20000);
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dump(ptr, 0x1000);
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dump(ptr_nest, 0x2000);
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dump(ptr_nest2, 0x3000);
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try {
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Rom_connection rom("/notavail.txt");
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PERR("found file where no file should be!");
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}
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catch (...) {
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PDBG("Expected ROM error occured");
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return 1;
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}
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return 0;
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}
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