2013-02-12 01:59:15 +00:00
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#include <cstdint>
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#include <cstdio>
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#include <cerrno>
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2013-02-11 01:18:47 +00:00
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#include <cpu/defs.h>
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#include <cpu/fmem.h>
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#include <cpu/cpuModule.h>
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2013-02-13 03:34:56 +00:00
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#include <toolbox/os.h>
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2013-02-11 01:18:47 +00:00
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#include <memory>
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2013-02-12 01:59:15 +00:00
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#include <string>
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2013-02-11 01:18:47 +00:00
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#include <algorithm>
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2013-02-13 03:34:56 +00:00
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#include <vector>
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2013-02-11 01:18:47 +00:00
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdlib.h>
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2013-02-12 01:59:15 +00:00
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#include <sys/paths.h>
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2013-02-11 01:18:47 +00:00
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#include "mpw.h"
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2013-02-12 01:59:15 +00:00
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#include "mpw_errno.h"
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2013-02-11 01:18:47 +00:00
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namespace {
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using namespace MPW;
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2013-02-12 01:59:15 +00:00
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2013-02-13 03:34:56 +00:00
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// for dup counts, etc.
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std::vector<int> FDTable;
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int errno_to_errno(int xerrno)
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2013-02-12 01:59:15 +00:00
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{
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switch (xerrno)
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{
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case EPERM: return kEPERM;
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case ENOENT: return kENOENT;
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#ifdef ENORSRC
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case ENORSRC: return kENORSRC;
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#endif
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case EINTR: return kEINTR;
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case EIO: return kEIO;
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case ENXIO: return kENXIO;
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case E2BIG: return kE2BIG;
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case ENOEXEC: return kENOEXEC;
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case EBADF: return kEBADF;
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case ECHILD: return kECHILD;
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case EAGAIN: return kEAGAIN;
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case ENOMEM: return kENOMEM;
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case EACCES: return kEACCES;
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case EFAULT: return kEFAULT;
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case ENOTBLK: return kENOTBLK;
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case EBUSY: return kEBUSY;
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case EEXIST: return kEEXIST;
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case EXDEV: return kEXDEV;
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case ENODEV: return kENODEV;
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case ENOTDIR: return kENOTDIR;
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case EISDIR: return kEISDIR;
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case EINVAL: return kEINVAL;
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case ENFILE: return kENFILE;
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case EMFILE: return kEMFILE;
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case ENOTTY: return kENOTTY;
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case ETXTBSY: return kETXTBSY;
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case EFBIG: return kEFBIG;
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case ENOSPC: return kENOSPC;
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case ESPIPE: return kESPIPE;
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case EROFS: return kEROFS;
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case EMLINK: return kEMLINK;
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case EPIPE: return kEPIPE;
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case EDOM: return kEDOM;
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case ERANGE: return kERANGE;
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}
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return kEINVAL;
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}
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uint32_t ftrap_open(uint32_t name, uint32_t parm)
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{
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uint32_t d0;
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int fd;
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std::string sname;
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MPWFile f;
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int nativeFlags;
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std::memset(&f, 0, sizeof(f));
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f.flags = memoryReadWord(parm);
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nativeFlags = 0;
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switch (f.flags & 0x03)
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{
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case 0x01:
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nativeFlags = O_RDONLY;
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break;
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case 0x02:
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nativeFlags = O_WRONLY;
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break;
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case 0x00: // ????
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case 0x03:
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nativeFlags = O_RDWR;
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break;
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}
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if (f.flags & kO_APPEND) nativeFlags |= O_APPEND;
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if (f.flags & kO_CREAT) nativeFlags |= O_CREAT;
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if (f.flags & kO_TRUNC) nativeFlags |= O_TRUNC;
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if (f.flags & kO_EXCL) nativeFlags |= O_EXCL;
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const char *cp = (const char *)memoryPointer(name);
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sname.assign(cp);
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2013-02-16 00:03:53 +00:00
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fprintf(stderr, " open(%s, %04x)\n", sname.c_str(), f.flags);
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2013-02-16 18:33:09 +00:00
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// TODO -- can you create a resource file like this?
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2013-02-12 01:59:15 +00:00
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if (f.flags & kO_RSRC)
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sname.append(_PATH_RSRCFORKSPEC);
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2013-02-16 04:47:15 +00:00
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if (f.flags & kO_CREAT)
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fd = ::open(sname.c_str(), nativeFlags, 0666);
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else
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fd = ::open(sname.c_str(), nativeFlags);
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2013-02-12 01:59:15 +00:00
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if (fd < 0)
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{
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2013-02-13 03:34:56 +00:00
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// why the 0x40... ??
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d0 = 0x40000000 | errno_to_errno(errno);
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2013-02-12 01:59:15 +00:00
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f.error = -36; // ioErr ... whatever.
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f.cookie = 0;
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}
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else
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{
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d0 = 0;
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f.error = 0;
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f.cookie = fd;
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2013-02-13 03:34:56 +00:00
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if (FDTable.size() <= fd)
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FDTable.resize(fd + 1);
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FDTable[fd] = 1;
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2013-02-16 18:33:09 +00:00
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// adjust the binary flags...
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// most apps are good about this but dumpobj doesn't set O_BINARY (but should)
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// and MPW Assembler sets O_BINARY (but shouldn't)
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if (OS::IsTextFile(sname)) f.flags &= ~kO_BINARY;
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if (OS::IsBinaryFile(sname)) f.flags |= kO_BINARY;
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if (f.flags & kO_RSRC) f.flags |= kO_BINARY;
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2013-02-12 01:59:15 +00:00
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}
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2013-02-16 18:33:09 +00:00
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memoryWriteWord(f.flags, parm + 0);
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2013-02-12 01:59:15 +00:00
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memoryWriteWord(f.error, parm + 2);
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memoryWriteLong(f.cookie, parm + 8);
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return d0;
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}
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2013-02-11 01:18:47 +00:00
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void ftrap_access(uint16_t trap)
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{
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2013-02-11 23:44:25 +00:00
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// open a file, rename a file, or delete a file.
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2013-02-12 01:59:15 +00:00
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std::string sname;
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uint32_t d0;
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2013-02-11 23:44:25 +00:00
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uint32_t sp = cpuGetAReg(7);
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// hmmm not sure if 3 or 4 parameters.
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2013-02-12 01:59:15 +00:00
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uint32_t name = memoryReadLong(sp + 4);
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2013-02-11 23:44:25 +00:00
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uint32_t op = memoryReadLong(sp + 8);
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uint32_t parm = memoryReadLong(sp + 12);
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2013-02-12 01:59:15 +00:00
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fprintf(stderr, "%04x Access(%08x, %04x, %08x)\n", trap, name, op, parm);
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2013-02-11 23:44:25 +00:00
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2013-02-12 01:59:15 +00:00
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switch (op)
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{
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case kF_OPEN:
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d0 = ftrap_open(name, parm);
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break;
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default:
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d0 = 0x40000000 | kEINVAL;
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fprintf(stderr, "faccess - unsupported op %04x\n", op);
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}
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2013-02-11 23:44:25 +00:00
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2013-02-12 01:59:15 +00:00
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cpuSetDReg(0, d0);
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2013-02-11 01:18:47 +00:00
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}
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void ftrap_close(uint16_t trap)
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{
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2013-02-13 03:34:56 +00:00
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// returns an mpw_errno
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// close actually checks the error in the File Entry and converts that to unix.
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// (sigh)
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uint32_t d0;
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uint32_t sp = cpuGetAReg(7);
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uint32_t parm = memoryReadLong(sp + 4);
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MPWFile f;
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f.flags = memoryReadWord(parm);
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f.error = memoryReadWord(parm + 2);
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f.device = memoryReadLong(parm + 4);
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f.cookie = memoryReadLong(parm + 8);
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f.count = memoryReadLong(parm + 12);
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f.buffer = memoryReadLong(parm + 16);
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fprintf(stderr, "%04x Close(%08x)\n", trap, parm);
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if (!parm)
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{
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cpuSetDReg(0, kEINVAL);
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return;
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}
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2013-02-11 01:18:47 +00:00
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2013-02-13 03:34:56 +00:00
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int fd = f.cookie;
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if (fd < 0 || fd >= FDTable.size() || !FDTable[fd])
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{
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f.error = OS::notOpenErr;
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d0 = kEINVAL;
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}
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else
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{
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if (--FDTable[fd] == 0)
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{
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::close(fd);
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f.error = 0;
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d0 = 0;
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}
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}
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memoryWriteWord(f.error, parm + 2);
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cpuSetDReg(0, 0);
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2013-02-11 01:18:47 +00:00
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}
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void ftrap_read(uint16_t trap)
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{
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2013-02-13 03:34:56 +00:00
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uint32_t d0;
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uint32_t sp = cpuGetAReg(7);
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uint32_t parm = memoryReadLong(sp + 4);
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MPWFile f;
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f.flags = memoryReadWord(parm);
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f.error = memoryReadWord(parm + 2);
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f.device = memoryReadLong(parm + 4);
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f.cookie = memoryReadLong(parm + 8);
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f.count = memoryReadLong(parm + 12);
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f.buffer = memoryReadLong(parm + 16);
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fprintf(stderr, "%04x Read(%02x, %08x, %08x)\n", trap, f.cookie, f.buffer, f.count);
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d0 = 0;
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if (f.count)
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{
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ssize_t size;
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int fd = f.cookie;
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if (f.flags & kO_BINARY)
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{
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size = ::read(fd, memoryPointer(f.buffer), f.count);
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}
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else
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{
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std::unique_ptr<uint8_t[]> buffer(new uint8_t[f.count]);
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uint8_t *ptr = memoryPointer(f.buffer);
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size = ::read(fd, buffer.get(), f.count);
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if (size > 0)
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{
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std::transform(buffer.get(), buffer.get() + size, ptr,
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[](uint8_t c) { return c == '\n' ? '\r' : c; }
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);
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}
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}
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if (size < 0)
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{
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2013-02-14 01:00:12 +00:00
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//f.count = 0;
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2013-02-13 03:34:56 +00:00
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f.error = OS::ioErr; // ioErr
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d0 = 0x40000000 | errno_to_errno(errno);
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}
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else
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{
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2013-02-14 01:00:12 +00:00
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f.count -= size;
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2013-02-13 03:34:56 +00:00
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f.error = 0;
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}
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// write back...
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memoryWriteWord(f.error, parm + 2);
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memoryWriteLong(f.count, parm + 12);
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}
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cpuSetDReg(0, d0);
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2013-02-11 01:18:47 +00:00
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}
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void ftrap_write(uint16_t trap)
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{
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2013-02-12 01:59:15 +00:00
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uint32_t d0;
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2013-02-11 01:18:47 +00:00
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uint32_t sp = cpuGetAReg(7);
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uint32_t parm = memoryReadLong(sp + 4);
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MPWFile f;
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f.flags = memoryReadWord(parm);
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f.error = memoryReadWord(parm + 2);
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f.device = memoryReadLong(parm + 4);
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f.cookie = memoryReadLong(parm + 8);
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f.count = memoryReadLong(parm + 12);
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f.buffer = memoryReadLong(parm + 16);
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2013-02-13 03:34:56 +00:00
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fprintf(stderr, "%04x Write(%02x, %08x, %08x)\n", trap, f.cookie, f.buffer, f.count);
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2013-02-11 01:18:47 +00:00
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2013-02-12 01:59:15 +00:00
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d0 = 0;
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2013-02-11 01:18:47 +00:00
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if (f.count)
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{
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2013-02-12 01:59:15 +00:00
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ssize_t size;
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2013-02-11 01:18:47 +00:00
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int fd = f.cookie;
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2013-02-12 01:59:15 +00:00
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if (f.flags & kO_BINARY)
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{
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size = ::write(fd, memoryPointer(f.buffer), f.count);
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}
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else
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{
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std::unique_ptr<uint8_t[]> buffer(new uint8_t[f.count]);
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uint8_t *ptr = memoryPointer(f.buffer);
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std::transform(ptr, ptr + f.count, buffer.get(),
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[](uint8_t c) { return c == '\r' ? '\n' : c; }
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);
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size = ::write(fd, buffer.get(), f.count);
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}
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if (size < 0)
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{
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2013-02-14 01:00:12 +00:00
|
|
|
//f.count = 0;
|
2013-02-12 01:59:15 +00:00
|
|
|
f.error = -36; // ioErr
|
2013-02-13 03:34:56 +00:00
|
|
|
d0 = 0x40000000 | errno_to_errno(errno);
|
2013-02-12 01:59:15 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2013-02-14 01:00:12 +00:00
|
|
|
// this is, apparently, correct.
|
|
|
|
f.count -= size;
|
2013-02-12 01:59:15 +00:00
|
|
|
f.error = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// write back...
|
|
|
|
memoryWriteWord(f.error, parm + 2);
|
|
|
|
memoryWriteLong(f.count, parm + 12);
|
2013-02-11 01:18:47 +00:00
|
|
|
}
|
2013-02-12 01:59:15 +00:00
|
|
|
cpuSetDReg(0, d0);
|
2013-02-11 01:18:47 +00:00
|
|
|
}
|
|
|
|
|
2013-02-13 03:34:56 +00:00
|
|
|
uint32_t ftrap_dup(uint32_t parm, uint32_t arg)
|
|
|
|
{
|
|
|
|
uint32_t d0;
|
|
|
|
MPWFile f;
|
|
|
|
|
|
|
|
f.flags = memoryReadWord(parm);
|
|
|
|
f.error = memoryReadWord(parm + 2);
|
|
|
|
f.device = memoryReadLong(parm + 4);
|
|
|
|
f.cookie = memoryReadLong(parm + 8);
|
|
|
|
f.count = memoryReadLong(parm + 12);
|
|
|
|
f.buffer = memoryReadLong(parm + 16);
|
|
|
|
|
|
|
|
int fd = f.cookie;
|
|
|
|
if (fd < 0 || fd >= FDTable.size() || !FDTable[fd])
|
|
|
|
{
|
|
|
|
d0 = kEINVAL; // & 0x40000000 ?
|
|
|
|
f.error = 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FDTable[fd]++;
|
|
|
|
d0 = 0;
|
|
|
|
f.error = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
memoryWriteWord(f.error, parm + 2);
|
|
|
|
return d0;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t ftrap_bufsize(uint32_t parm, uint32_t arg)
|
|
|
|
{
|
|
|
|
// should return the preferred buffsize in *arg
|
|
|
|
// an error will use the default size (0x400 bytes).
|
|
|
|
|
|
|
|
MPWFile f;
|
|
|
|
|
|
|
|
f.flags = memoryReadWord(parm);
|
|
|
|
f.error = memoryReadWord(parm + 2);
|
|
|
|
f.device = memoryReadLong(parm + 4);
|
|
|
|
f.cookie = memoryReadLong(parm + 8);
|
|
|
|
f.count = memoryReadLong(parm + 12);
|
|
|
|
f.buffer = memoryReadLong(parm + 16);
|
|
|
|
|
|
|
|
f.error = 0;
|
|
|
|
|
|
|
|
memoryWriteWord(f.error, parm + 2);
|
|
|
|
return kEINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
uint32_t ftrap_interactive(uint32_t parm, uint32_t arg)
|
|
|
|
{
|
|
|
|
// return 0 if interactive, an error if
|
|
|
|
// non-interactive.
|
|
|
|
|
|
|
|
uint32_t d0;
|
|
|
|
|
|
|
|
MPWFile f;
|
|
|
|
|
|
|
|
f.flags = memoryReadWord(parm);
|
|
|
|
f.error = memoryReadWord(parm + 2);
|
|
|
|
f.device = memoryReadLong(parm + 4);
|
|
|
|
f.cookie = memoryReadLong(parm + 8);
|
|
|
|
f.count = memoryReadLong(parm + 12);
|
|
|
|
f.buffer = memoryReadLong(parm + 16);
|
|
|
|
|
|
|
|
f.error = 0;
|
|
|
|
|
|
|
|
int fd = f.cookie;
|
|
|
|
|
|
|
|
if (fd < 0 || fd >= FDTable.size() || !FDTable[fd])
|
|
|
|
{
|
|
|
|
d0 = kEINVAL;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
int tty = ::isatty(fd);
|
|
|
|
d0 = tty ? 0 : kEINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
memoryWriteWord(f.error, parm + 2);
|
|
|
|
return kEINVAL;
|
|
|
|
}
|
|
|
|
|
2013-02-16 00:03:53 +00:00
|
|
|
uint32_t ftrap_iofname(uint32_t parm, uint32_t arg)
|
|
|
|
{
|
|
|
|
// return file name.
|
|
|
|
// AsmIIgs uses this...
|
|
|
|
memoryWriteWord(0, parm + 2);
|
|
|
|
return kEINVAL;
|
|
|
|
}
|
|
|
|
|
2013-02-16 04:47:15 +00:00
|
|
|
uint32_t ftrap_lseek(uint32_t parm, uint32_t arg)
|
|
|
|
{
|
|
|
|
MPWFile f;
|
|
|
|
uint32_t d0;
|
|
|
|
|
|
|
|
uint32_t whence = memoryReadLong(arg);
|
|
|
|
int32_t offset =memoryReadLong(arg + 4);
|
|
|
|
int nativeWhence = 0;
|
|
|
|
|
|
|
|
f.flags = memoryReadWord(parm);
|
|
|
|
f.error = memoryReadWord(parm + 2);
|
|
|
|
f.device = memoryReadLong(parm + 4);
|
|
|
|
f.cookie = memoryReadLong(parm + 8);
|
|
|
|
f.count = memoryReadLong(parm + 12);
|
|
|
|
f.buffer = memoryReadLong(parm + 16);
|
|
|
|
|
|
|
|
|
|
|
|
int fd = f.cookie;
|
|
|
|
|
|
|
|
|
|
|
|
// TODO - MacOS returns eofERR and sets mark to eof
|
|
|
|
// if seeking past the eof.
|
|
|
|
// TODO - MacOS treats offset as a signed value, unix is unsigned [?]
|
|
|
|
switch (whence)
|
|
|
|
{
|
|
|
|
case kSEEK_CUR:
|
|
|
|
nativeWhence = SEEK_CUR;
|
|
|
|
break;
|
|
|
|
case kSEEK_END:
|
|
|
|
nativeWhence = SEEK_END;
|
|
|
|
break;
|
|
|
|
case kSEEK_SET:
|
|
|
|
nativeWhence = SEEK_SET;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
memoryWriteWord(0, parm + 2);
|
|
|
|
return kEINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
fprintf(stderr, " seek(%02x, %08x, %02x)\n", fd, offset, nativeWhence);
|
|
|
|
|
2013-02-16 05:11:12 +00:00
|
|
|
off_t rv = ::lseek(fd, offset, nativeWhence);
|
|
|
|
if (rv < 0)
|
2013-02-16 04:47:15 +00:00
|
|
|
{
|
|
|
|
d0 = errno_to_errno(errno);
|
|
|
|
f.error = 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
d0 = 0;
|
|
|
|
f.error = 0;
|
|
|
|
}
|
|
|
|
|
2013-02-16 05:11:12 +00:00
|
|
|
memoryWriteLong(rv, arg + 4);
|
2013-02-16 04:47:15 +00:00
|
|
|
memoryWriteWord(f.error, parm + 2);
|
|
|
|
return d0;
|
|
|
|
}
|
|
|
|
|
2013-02-16 00:03:53 +00:00
|
|
|
|
2013-02-11 01:18:47 +00:00
|
|
|
void ftrap_ioctl(uint16_t trap)
|
|
|
|
{
|
2013-02-13 03:34:56 +00:00
|
|
|
// returns an mpw_errno in d0 [???]
|
|
|
|
|
2013-02-11 01:18:47 +00:00
|
|
|
// int ioctl(int fildes, unsigned int cmd, long *arg);
|
2013-02-12 01:59:15 +00:00
|
|
|
uint32_t d0;
|
2013-02-11 01:18:47 +00:00
|
|
|
uint32_t sp = cpuGetAReg(7);
|
|
|
|
|
|
|
|
uint32_t fd = memoryReadLong(sp + 4);
|
|
|
|
uint32_t cmd = memoryReadLong(sp + 8);
|
|
|
|
uint32_t arg = memoryReadLong(sp + 12);
|
|
|
|
|
|
|
|
fprintf(stderr, "%04x IOCtl(%08x, %08x, %08x)\n", trap, fd, cmd, arg);
|
|
|
|
|
2013-02-13 03:34:56 +00:00
|
|
|
switch (cmd)
|
|
|
|
{
|
|
|
|
case kFIOLSEEK:
|
|
|
|
d0 = ftrap_lseek(fd, arg);
|
|
|
|
break;
|
2013-02-16 04:47:15 +00:00
|
|
|
|
2013-02-13 03:34:56 +00:00
|
|
|
case kFIODUPFD:
|
|
|
|
d0 = ftrap_dup(fd, arg);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case kFIOBUFSIZE:
|
|
|
|
d0 = ftrap_bufsize(fd, arg);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case kFIOINTERACTIVE:
|
|
|
|
d0 = ftrap_interactive(fd, arg);
|
|
|
|
break;
|
|
|
|
|
2013-02-16 00:03:53 +00:00
|
|
|
case kFIOFNAME:
|
|
|
|
d0 = ftrap_iofname(fd, arg);
|
|
|
|
break;
|
2013-02-13 03:34:56 +00:00
|
|
|
|
|
|
|
case kFIOREFNUM:
|
|
|
|
case kFIOSETEOF:
|
|
|
|
fprintf(stderr, "ioctl - unsupported op %04x\n", cmd);
|
|
|
|
exit(1);
|
|
|
|
break;
|
|
|
|
}
|
2013-02-12 01:59:15 +00:00
|
|
|
|
|
|
|
cpuSetDReg(0, d0);
|
2013-02-11 01:18:47 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void ftrap_quit(uint16_t trap)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "%04x Quit()\n", trap);
|
|
|
|
cpuSetStop(true);
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
namespace MPW
|
|
|
|
{
|
|
|
|
|
2013-02-13 03:34:56 +00:00
|
|
|
void Init()
|
|
|
|
{
|
|
|
|
FDTable.resize(16);
|
|
|
|
|
|
|
|
FDTable[STDIN_FILENO] = 1;
|
|
|
|
FDTable[STDOUT_FILENO] = 1;
|
|
|
|
FDTable[STDERR_FILENO] = 1;
|
|
|
|
|
|
|
|
// todo -- should eventually set up the mpw environment.
|
|
|
|
}
|
|
|
|
|
2013-02-11 01:18:47 +00:00
|
|
|
void dispatch(uint16_t trap)
|
|
|
|
{
|
|
|
|
switch (trap)
|
|
|
|
{
|
|
|
|
case fQuit:
|
2013-02-13 03:34:56 +00:00
|
|
|
case 0xffff:
|
2013-02-11 01:18:47 +00:00
|
|
|
ftrap_quit(trap);
|
|
|
|
break;
|
2013-02-13 03:34:56 +00:00
|
|
|
|
2013-02-11 01:18:47 +00:00
|
|
|
case fAccess:
|
|
|
|
ftrap_access(trap);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case fClose:
|
|
|
|
ftrap_close(trap);
|
|
|
|
break;
|
2013-02-13 03:34:56 +00:00
|
|
|
|
2013-02-11 01:18:47 +00:00
|
|
|
case fRead:
|
|
|
|
ftrap_read(trap);
|
|
|
|
break;
|
2013-02-13 03:34:56 +00:00
|
|
|
|
2013-02-11 01:18:47 +00:00
|
|
|
case fWrite:
|
|
|
|
ftrap_write(trap);
|
|
|
|
break;
|
2013-02-13 03:34:56 +00:00
|
|
|
|
2013-02-11 01:18:47 +00:00
|
|
|
case fIOCtl:
|
|
|
|
ftrap_ioctl(trap);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
fprintf(stderr, "Unsupported f trap: %04x\n", trap);
|
|
|
|
exit(1);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|