mirror of https://github.com/ksherlock/mpw.git
157 lines
4.0 KiB
C++
157 lines
4.0 KiB
C++
/*
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* Copyright (c) 2014, Charles Lehner
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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 <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 <map>
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#include <sys/xattr.h>
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#include <sys/stat.h>
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#include <sys/paths.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 <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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using ToolBox::Log;
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namespace OS {
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enum
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{
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gestaltUndefSelectorErr = -5551,
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gestaltUnknownErr = -5550,
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gestaltDupSelectorErr = -5552,
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gestaltLocationErr = -5553,
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};
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std::map<uint32_t, uint32_t> GestaltMap = {
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{'alis', 1}, // Alias Manager
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{'tmgr', 2}, // Time Manager (2 = revised, 3 = extended.)
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};
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uint16_t Gestalt(uint16_t trap)
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{
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// FUNCTION Gestalt (selector: OSType; VAR response: LongInt): OSErr;
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/*
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* on entry:
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* D0 Selector code
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*
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* on exit:
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* A0 Response
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* D0 Result code
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*
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*/
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uint32_t selector = cpuGetDReg(0);
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uint32_t response;
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Log("%04x Gestalt('%s')\n", trap, ToolBox::TypeToString(selector).c_str());
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auto iter = GestaltMap.find(selector);
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if (iter == GestaltMap.end()) return gestaltUndefSelectorErr;
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response = iter->second;
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cpuSetAReg(0, response);
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return 0;
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}
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uint16_t SysEnvirons(uint16_t trap)
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{
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// FUNCTION SysEnvirons (versionRequested: Integer;
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// VAR theWorld: SysEnvRec): OSErr;
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/*
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* on entry:
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* D0 Version requested
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* A0 SysEnvRec pointer
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*
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* on exit:
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* D0 Result code
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*
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*/
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enum {
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/* SysEnvRec */
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_environsVersion = 0,
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_machineType = 2,
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_systemVersion = 4,
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_processor = 6,
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_hasFPU = 8,
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_hasColorQD = 9,
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_keyBoardType = 10,
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_atDrvrVersNum = 12,
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_sysVRefNum = 14,
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};
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uint16_t versionRequested = cpuGetDReg(0);
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uint32_t theWorld = cpuGetAReg(0);
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Log("%04x SysEnvirons(%04x, %08x)\n", trap, versionRequested, theWorld);
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memoryWriteWord(2, theWorld + _environsVersion);
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// negative version.
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if (versionRequested >= 0x8000)
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return MacOS::envBadVers;
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if (versionRequested > 2)
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return MacOS::envVersTooBig;
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memoryWriteWord(0, theWorld + _machineType); // 0 = unknown model newer than the IIci (v1) or IIfx (v2)
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memoryWriteWord(1 + cpuGetModelMajor(), theWorld + _processor);
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memoryWriteWord(0x0700, theWorld + _systemVersion); // system 7
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memoryWriteWord(0, theWorld + _hasFPU);
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memoryWriteWord(0, theWorld + _hasColorQD);
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memoryWriteWord(5, theWorld + _keyBoardType); // standard adb I guess
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memoryWriteWord(0, theWorld + _atDrvrVersNum); // no appletalk
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memoryWriteWord(-1, theWorld + _sysVRefNum); // System folder #
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return 0;
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}
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}
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