mirror of
https://github.com/ksherlock/mpw.git
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610 lines
14 KiB
C++
610 lines
14 KiB
C++
/*
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* Copyright (c) 2013, Kelvin W Sherlock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <cerrno>
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#include <cassert>
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#include <cctype>
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#include <ctime>
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#include <algorithm>
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#include <chrono>
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#include <deque>
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#include <string>
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#include <cstring>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <sys/param.h>
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#include <strings.h>
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#include <cpu/defs.h>
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#include <cpu/CpuModule.h>
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#include <cpu/fmem.h>
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#include <macos/errors.h>
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#include "os.h"
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#include "os_internal.h"
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#include "toolbox.h"
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#include "stackframe.h"
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#include "fs_spec.h"
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#include <config.h>
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#include <native/native.h>
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using ToolBox::Log;
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using MacOS::macos_error_from_errno;
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namespace OS {
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uint16_t PBGetWDInfo(uint32_t parm)
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{
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enum { // WDPBRec
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_qLink = 0,
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_qType = 4,
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_ioTrap = 6,
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_ioCmdAddr = 8,
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_ioCompletion = 12,
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_ioResult = 16,
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_ioNamePtr = 18,
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_ioVRefNum = 22,
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_filler1 = 24,
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_ioWDIndex = 26,
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_ioWDProcID = 28,
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_ioWDVRefNum = 32,
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_filler2 = 34,
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_ioWDDirID = 48,
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};
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/*
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* TODO - this is a Massive hack.
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* MPW returns this: for a 0/0 entry.
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* PBGetWDInfo
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* 0
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* ioNamePtr: MacOS
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* ioVRefNum: -1
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* ioWDProcID: 0
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* ioWDVRefNum: -1
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* ioWDDirID: 2 << Root volume is always entry #2.
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*/
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uint16_t d0 = 0;
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uint32_t ioNamePtr = memoryReadLong(parm + _ioNamePtr);
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uint16_t ioVRefNum = memoryReadWord(parm + _ioVRefNum);
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uint16_t ioWDIndex = memoryReadWord(parm + _ioWDIndex);
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//uint32_t ioWDProcID = memoryReadLong(parm + _ioWDProcID);
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uint16_t ioWDVRefNum = memoryReadWord(parm + _ioWDVRefNum);
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Log(" PBGetWDInfo($%04x, $%04x, $%04x)\n", ioVRefNum, ioWDIndex, ioWDVRefNum);
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// todo -- need to expand the fsspec code to give a id #
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// to all filse and directories.
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// and move to common internal code.
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if (ioNamePtr) ToolBox::WritePString(ioNamePtr, std::string("MacOS"));
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memoryWriteWord(-1, parm + _ioVRefNum);
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memoryWriteLong(0, parm + _ioWDProcID);
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memoryWriteWord(-1, parm + _ioWDVRefNum);
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memoryWriteLong(2, parm + _ioWDDirID);
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d0 = 0;
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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}
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static uint16_t CatInfoByName(std::string &sname, uint32_t parm) {
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enum { // FileParam
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_qLink = 0,
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_qType = 4,
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_ioTrap = 6,
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_ioCmdAddr = 8,
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_ioCompletion = 12,
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_ioResult = 16,
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_ioNamePtr = 18,
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_ioVRefNum = 22,
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_ioFRefNum = 24,
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_ioFVersNum = 26,
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_filler1 = 27,
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_ioFDirIndex = 28,
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_ioFlAttrib = 30,
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_ioACUser = 31,
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/* HFileInfo */
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_ioFlFndrInfo = 32,
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_ioDirID = 48,
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_ioFlStBlk = 52,
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_ioFlLgLen = 54,
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_ioFlPyLen = 58,
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_ioFlRStBlk = 62,
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_ioFlRLgLen = 64,
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_ioFlRPyLen = 68,
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_ioFlCrDat = 72,
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_ioFlMdDat = 76,
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_ioFlBkDat = 80,
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_ioFlXFndrInfo = 84,
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_ioFlParID = 100,
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_ioFlClpSiz = 104,
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/* DirInfo */
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_ioDrUsrWds = 32,
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_ioDrDirID = 48,
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_ioDrNmFls = 52,
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_filler3 = 54,
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_ioDrCrDat = 72,
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_ioDrMdDat = 76,
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_ioDrBkDat = 80,
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_ioDrFndrInfo = 84,
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_ioDrParID = 100,
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};
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using namespace native;
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file_info fi;
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auto rv = get_file_info(sname, fi);
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if (rv) return rv;
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memoryWriteByte(0, parm + _ioACUser);
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if (fi.type == file_info::directory) {
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// bit 4 - is a directory.
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memoryWriteByte(1 << 4, parm + _ioFlAttrib);
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std::memset(memoryPointer(parm + _ioDrUsrWds), 0, 16); // DInfo
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uint32_t dirID = FSSpecManager::IDForPath(sname);
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memoryWriteLong(dirID, parm + _ioDrDirID);
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memoryWriteWord(fi.entry_count, parm + _ioDrNmFls); // ioDrNmFls - # of files in dir
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memoryWriteLong(fi.create_date, parm + _ioDrCrDat); // create
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memoryWriteLong(fi.modify_date, parm + _ioDrMdDat); // modify
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memoryWriteLong(fi.backup_date, parm + _ioDrBkDat); // backup
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std::memset(memoryPointer(parm + _ioDrFndrInfo), 0, 16); // DXInfo
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memoryWriteLong(0, parm + _ioDrParID);
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} else {
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memoryWriteByte(0, parm + _ioFlAttrib);
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std::memcpy(memoryPointer(parm + _ioFlFndrInfo), fi.finder_info , 16); // finder info
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std::memcpy(memoryPointer(parm + _ioFlXFndrInfo), fi.finder_info + 16, 16); // FXInfo
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memoryWriteLong(0, parm + _ioDirID);
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memoryWriteWord(0, parm + _ioFlStBlk);
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memoryWriteWord(0, parm + _ioFlRStBlk);
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memoryWriteLong(fi.create_date, parm + _ioFlCrDat); // create
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memoryWriteLong(fi.modify_date, parm + _ioFlMdDat); // modify
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memoryWriteLong(fi.backup_date, parm + _ioFlBkDat); // backup
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memoryWriteLong(fi.data_logical_size, parm + _ioFlLgLen);
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memoryWriteLong(fi.data_physical_size, parm + _ioFlPyLen);
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memoryWriteLong(fi.resource_logical_size, parm + _ioFlRLgLen);
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memoryWriteLong(fi.resource_physical_size, parm + _ioFlRPyLen);
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memoryWriteWord(0, parm + _ioFlParID);
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memoryWriteWord(0, parm + _ioFlClpSiz);
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}
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return 0;
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}
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uint16_t PBGetCatInfo(uint32_t parm)
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{
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enum { // FileParam
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_qLink = 0,
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_qType = 4,
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_ioTrap = 6,
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_ioCmdAddr = 8,
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_ioCompletion = 12,
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_ioResult = 16,
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_ioNamePtr = 18,
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_ioVRefNum = 22,
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_ioFRefNum = 24,
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_ioFVersNum = 26,
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_filler1 = 27,
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_ioFDirIndex = 28,
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_ioFlAttrib = 30,
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_ioACUser = 31,
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/* HFileInfo */
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_ioFlFndrInfo = 32,
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_ioDirID = 48,
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_ioFlStBlk = 52,
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_ioFlLgLen = 54,
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_ioFlPyLen = 58,
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_ioFlRStBlk = 62,
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_ioFlRLgLen = 64,
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_ioFlRPyLen = 68,
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_ioFlCrDat = 72,
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_ioFlMdDat = 76,
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_ioFlBkDat = 80,
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_ioFlXFndrInfo = 84,
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_ioFlParID = 100,
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_ioFlClpSiz = 104,
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/* DirInfo */
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_ioDrUsrWds = 32,
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_ioDrDirID = 48,
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_ioDrNmFls = 52,
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_filler3 = 54,
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_ioDrCrDat = 72,
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_ioDrMdDat = 76,
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_ioDrBkDat = 80,
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_ioDrFndrInfo = 84,
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_ioDrParID = 100,
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};
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uint16_t d0;
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// yuck. this is sort of a getdirent/stat call....
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//uint32_t ioCompletion = memoryReadLong(parm + _ioCompletion);
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uint32_t ioNamePtr = memoryReadLong(parm + _ioNamePtr);
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//uint16_t ioVRefNum = memoryReadWord(parm + _ioVRefNum);
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//uint8_t ioFVersNum = memoryReadByte(parm + _ioFVersNum);
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int16_t ioFDirIndex = memoryReadWord(parm + _ioFDirIndex);
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uint32_t ioDirID = memoryReadLong(parm + _ioDirID);
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if (ioFDirIndex == 0)
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{
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/*
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* If this field contains 0, PBGetCatInfo returns
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* information about the file or directory whose name is
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* specified in the ioNamePtr field and that is located in the
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* directory specified by the ioVRefNum field. (Once again, if
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* ioVRefNum contains a volume reference number, the specified
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* directory is that volume's root directory.)
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*/
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if (!ioNamePtr)
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{
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memoryWriteWord(MacOS::bdNamErr, parm + _ioResult);
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return MacOS::bdNamErr;
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}
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std::string sname = ToolBox::ReadPString(ioNamePtr, true);
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sname = FSSpecManager::ExpandPath(sname, ioDirID);
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Log(" PBGetCatInfo(%s)\n", sname.c_str());
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d0 = CatInfoByName(sname, parm);
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}
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else if (ioFDirIndex < 0) {
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/*
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* If this field contains a negative number, PBGetCatInfo ignores the
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* ioNamePtr field and returns information about the directory specified
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* in the ioDirID field. If both ioDirID and ioVRefNum are set to 0,
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* PBGetCatInfo returns information about the current default directory.
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*/
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Log(" PBGetCatInfo(%04x)\n", ioDirID);
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std::string sname = FSSpecManager::PathForID(ioDirID);
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if (sname.empty()) {
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char buffer[MAXPATHLEN];
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char *cp;
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cp = getcwd(buffer, sizeof(buffer));
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sname = cp ? cp : ".";
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}
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d0 = CatInfoByName(sname, parm);
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if (ioNamePtr) {
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std::string basename;
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auto pos = sname.rfind('/');
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if (pos == sname.npos) basename = std::move(sname);
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else basename = sname.substr(pos+1);
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ToolBox::WritePString(ioNamePtr, basename);
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}
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}
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else
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{
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/*
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* If this field contains a positive number, PBGetCatInfo returns
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* information about the file or directory having that directory index in
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* the directory specified by the ioVRefNum field. (If ioVRefNum contains a
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* volume reference number, the specified directory is that volume's root
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* directory.)
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*/
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Log(" PBGetCatInfo(%04x, %04x)\n", ioDirID, ioFDirIndex);
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std::string sname = FSSpecManager::PathForID(ioDirID);
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if (sname.empty()) sname = ".";
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sname = OS::realpath(sname);
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// if sname == "", error...
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DIR *dp;
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struct dirent *dir;
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dp = opendir(sname.c_str());
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if (!dp) {
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d0 = macos_error_from_errno();
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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}
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while ((dir = readdir(dp))) {
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if (dir->d_name[0] == '.') {
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if (!strcmp(dir->d_name, ".")) continue;
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if (!strcmp(dir->d_name, "..")) continue;
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}
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#ifdef HAVE_DIRENT_D_NAMLEN
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if (dir->d_namlen > 255) continue; // too long!
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#else
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if (strlen(dir->d_name) > 255) continue;
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#endif
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if (--ioFDirIndex == 0) break;
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}
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if (!dir) {
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closedir(dp);
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d0 = MacOS::fnfErr;
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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}
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if (ioNamePtr) {
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ToolBox::WritePString(ioNamePtr, dir->d_name);
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}
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sname.push_back('/');
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sname.append(dir->d_name);
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closedir(dp);
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d0 = CatInfoByName(sname, parm);
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}
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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return 0;
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}
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uint16_t PBSetCatInfo(uint32_t parm)
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{
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enum { // FileParam
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_qLink = 0,
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_qType = 4,
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_ioTrap = 6,
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_ioCmdAddr = 8,
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_ioCompletion = 12,
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_ioResult = 16,
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_ioNamePtr = 18,
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_ioVRefNum = 22,
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_ioFRefNum = 24,
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_ioFVersNum = 26,
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_filler1 = 27,
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_ioFDirIndex = 28,
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_ioFlAttrib = 30,
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_ioACUser = 31,
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/* HFileInfo */
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_ioFlFndrInfo = 32,
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_ioDirID = 48,
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_ioFlStBlk = 52,
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_ioFlLgLen = 54,
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_ioFlPyLen = 58,
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_ioFlRStBlk = 62,
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_ioFlRLgLen = 64,
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_ioFlRPyLen = 68,
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_ioFlCrDat = 72,
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_ioFlMdDat = 76,
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_ioFlBkDat = 80,
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_ioFlXFndrInfo = 84,
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_ioFlParID = 100,
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_ioFlClpSiz = 104,
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/* DirInfo */
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_ioDrUsrWds = 32,
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_ioDrDirID = 48,
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_ioDrNmFls = 52,
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_filler3 = 54,
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_ioDrCrDat = 72,
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_ioDrMdDat = 76,
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_ioDrBkDat = 80,
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_ioDrFndrInfo = 84,
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_ioDrParID = 100,
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};
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uint16_t d0;
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//uint32_t ioCompletion = memoryReadLong(parm + _ioCompletion);
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uint32_t ioNamePtr = memoryReadLong(parm + _ioNamePtr);
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//uint16_t ioVRefNum = memoryReadWord(parm + _ioVRefNum);
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//uint8_t ioFVersNum = memoryReadByte(parm + _ioFVersNum);
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//int16_t ioFDirIndex = memoryReadWord(parm + _ioFDirIndex);
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if (!ioNamePtr)
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{
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memoryWriteWord(MacOS::bdNamErr, parm + _ioResult);
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assert("PGSetCatInfo - no name.");
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return MacOS::bdNamErr;
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}
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std::string sname = ToolBox::ReadPString(ioNamePtr, true);
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{
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uint32_t ioDirID = memoryReadLong(parm + _ioDirID);
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sname = FSSpecManager::ExpandPath(sname, ioDirID);
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}
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Log(" PBSetCatInfo(%s)\n", sname.c_str());
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native::file_info fi;
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fi.create_date = memoryReadLong(parm + _ioFlCrDat);
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fi.modify_date = memoryReadLong(parm + _ioFlMdDat);
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fi.backup_date = memoryReadLong(parm + _ioFlBkDat);
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memcpy(fi.finder_info, memoryPointer(parm + _ioFlFndrInfo), 16);
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memcpy(fi.finder_info+16, memoryPointer(parm + _ioFlXFndrInfo), 16);
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d0 = native::set_file_info(sname, fi);
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memoryWriteWord(d0, parm + _ioResult);
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return d0;
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}
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uint16_t PBOpenDF(uint32_t paramBlock)
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{
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Log(" PBOpenDF\n");
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// same as Open but slightly different handling of . files.
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return OS::OpenCommon(paramBlock, false, false);
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}
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uint16_t PBHOpenDF(uint32_t paramBlock)
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{
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// PBHOpen... is identical to PBOpen... except
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// that it accepts a directory ID in ioDirID.
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Log(" PBHOpenDF\n");
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return OS::OpenCommon(paramBlock, true, false);
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}
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uint16_t PBHOpenDeny(uint32_t paramBlock)
|
|
{
|
|
// AccessParam.ioDenyModes short word matches
|
|
// up with the permission byte considering it's big-endian.
|
|
|
|
Log(" PBHOpenDeny\n");
|
|
return OS::OpenCommon(paramBlock, true, false);
|
|
}
|
|
|
|
uint16_t PBHOpenRFDeny(uint32_t paramBlock)
|
|
{
|
|
Log(" PBHOpenRFDeny\n");
|
|
return OS::OpenCommon(paramBlock, true, true);
|
|
}
|
|
|
|
uint16_t FSDispatch(uint16_t trap)
|
|
{
|
|
|
|
// TODO -- check new hfs bit ( (trap & 0x0200) == 0x0200)
|
|
// TODO -- check async bit ((trap & 0x0400) == 0x0400)
|
|
|
|
|
|
|
|
uint32_t selector = cpuGetDReg(0);
|
|
uint32_t paramBlock = cpuGetAReg(0);
|
|
|
|
Log("%04x FSDispatch(%08x, %08x)\n", trap, selector, paramBlock);
|
|
|
|
switch (selector)
|
|
{
|
|
|
|
case 0x001a:
|
|
return PBOpenDF(paramBlock);
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr, "FSDispatch: selector %08x not implemented\n",
|
|
selector);
|
|
exit(1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
uint16_t HFSDispatch(uint16_t trap)
|
|
{
|
|
|
|
uint32_t selector = cpuGetDReg(0);
|
|
uint32_t paramBlock = cpuGetAReg(0);
|
|
|
|
Log("%04x HFSDispatch(%08x, %08x)\n", trap, selector, paramBlock);
|
|
|
|
switch (selector)
|
|
{
|
|
case 0x0007:
|
|
return PBGetWDInfo(paramBlock);
|
|
break;
|
|
|
|
case 0x0009:
|
|
return PBGetCatInfo(paramBlock);
|
|
break;
|
|
|
|
case 0x000a:
|
|
return PBSetCatInfo(paramBlock);
|
|
break;
|
|
|
|
case 0x001a:
|
|
return PBHOpenDF(paramBlock);
|
|
|
|
case 0x0038:
|
|
return PBHOpenDeny(paramBlock);
|
|
|
|
case 0x0039:
|
|
return PBHOpenRFDeny(paramBlock);
|
|
|
|
default:
|
|
fprintf(stderr, "HFSDispatch: selector %08x not implemented\n",
|
|
selector);
|
|
exit(1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
}
|