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/* |
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* macos_util.cpp - MacOS definitions/utility functions |
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* |
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* SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig |
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* SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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#include "xlowmem.h" |
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#include "emul_op.h" |
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#include "macos_util.h" |
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#include "thunks.h" |
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#define DEBUG 0 |
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#include "debug.h" |
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{ |
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return (int16)CallMacOS1(cc_ptr, cc_tvect, arg1); |
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} |
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typedef void *(*nps_ptr)(uint32); |
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static uint32 nps_tvect = 0; |
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static inline void *NewPtrSys(uint32 arg1) |
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{ |
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return (void *)CallMacOS1(nps_ptr, nps_tvect, arg1); |
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} |
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typedef void (*d_ptr)(void *); |
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static uint32 d_tvect = 0; |
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static inline void DisposePtr(void *arg1) |
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{ |
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CallMacOS1(d_ptr, d_tvect, arg1); |
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} |
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/* |
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* lib and sym must be Pascal strings! |
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*/ |
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void *FindLibSymbol(char *lib, char *sym) |
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void *FindLibSymbol(char *lib_str, char *sym_str) |
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{ |
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uint32 conn_id = 0; |
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void *main_addr = NULL; |
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char err[256] = ""; |
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uint32 *sym_addr = NULL; |
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uint32 sym_class = 0; |
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SheepVar32 conn_id = 0; |
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SheepVar32 main_addr = 0; |
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SheepArray<256> err; |
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WriteMacInt8(err.addr(), 0); |
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SheepVar32 sym_addr = 0; |
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SheepVar32 sym_class = 0; |
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|
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SheepString lib(lib_str); |
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SheepString sym(sym_str); |
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D(bug("FindLibSymbol %s in %s...\n", sym+1, lib+1)); |
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D(bug("FindLibSymbol %s in %s...\n", sym.value()+1, lib.value()+1)); |
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if (*(uint32 *)XLM_RUN_MODE == MODE_EMUL_OP) { |
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if (ReadMacInt32(XLM_RUN_MODE) == MODE_EMUL_OP) { |
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M68kRegisters r; |
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// Find shared library |
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static const uint16 proc1[] = { |
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0x558f, // subq.l #2,a7 |
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0x2f08, // move.l a0,-(a7) |
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0x2f3c, 0x7077, 0x7063, // move.l #'pwpc',-(a7) |
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0x2f3c, 0, 1, // move.l #kReferenceCFrag,-(a7) |
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0x2f09, // move.l a1,-(a7) |
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0x2f0a, // move.l a2,-(a7) |
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0x2f0b, // move.l a3,-(a7) |
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0x3f3c, 1, // (GetSharedLibrary) |
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0xaa5a, // CFMDispatch |
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0x301f, // move.w (a7)+,d0 |
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M68K_RTS |
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PW(0x558f), // subq.l #2,a7 |
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PW(0x2f08), // move.l a0,-(a7) |
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PW(0x2f3c), PW(0x7077), PW(0x7063), // move.l #'pwpc',-(a7) |
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PW(0x2f3c), PW(0x0000), PW(0x0001), // move.l #kReferenceCFrag,-(a7) |
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PW(0x2f09), // move.l a1,-(a7) |
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PW(0x2f0a), // move.l a2,-(a7) |
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PW(0x2f0b), // move.l a3,-(a7) |
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PW(0x3f3c), PW(0x0001), // (GetSharedLibrary) |
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PW(0xaa5a), // CFMDispatch |
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PW(0x301f), // move.w (a7)+,d0 |
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PW(M68K_RTS) |
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}; |
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r.a[0] = (uint32)lib; |
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r.a[1] = (uint32)&conn_id; |
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r.a[2] = (uint32)&main_addr; |
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r.a[3] = (uint32)err; |
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r.a[0] = lib.addr(); |
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r.a[1] = conn_id.addr(); |
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r.a[2] = main_addr.addr(); |
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r.a[3] = err.addr(); |
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Execute68k((uint32)proc1, &r); |
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D(bug(" GetSharedLibrary: ret %d, connection ID %ld, main %p\n", (int16)r.d[0], conn_id, main_addr)); |
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D(bug(" GetSharedLibrary: ret %d, connection ID %ld, main %p\n", (int16)r.d[0], conn_id.value(), main_addr.value())); |
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if (r.d[0]) |
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return NULL; |
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// Find symbol |
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static const uint16 proc2[] = { |
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0x558f, // subq.l #2,a7 |
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0x2f00, // move.l d0,-(a7) |
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0x2f08, // move.l a0,-(a7) |
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0x2f09, // move.l a1,-(a7) |
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0x2f0a, // move.l a2,-(a7) |
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0x3f3c, 5, // (FindSymbol) |
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0xaa5a, // CFMDispatch |
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0x301f, // move.w (a7)+,d0 |
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M68K_RTS |
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PW(0x558f), // subq.l #2,a7 |
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PW(0x2f00), // move.l d0,-(a7) |
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PW(0x2f08), // move.l a0,-(a7) |
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PW(0x2f09), // move.l a1,-(a7) |
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PW(0x2f0a), // move.l a2,-(a7) |
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PW(0x3f3c), PW(0x0005), // (FindSymbol) |
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PW(0xaa5a), // CFMDispatch |
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PW(0x301f), // move.w (a7)+,d0 |
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PW(M68K_RTS) |
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}; |
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r.d[0] = conn_id; |
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r.a[0] = (uint32)sym; |
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r.a[1] = (uint32)&sym_addr; |
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r.a[2] = (uint32)&sym_class; |
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r.d[0] = conn_id.value(); |
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r.a[0] = sym.addr(); |
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r.a[1] = sym_addr.addr(); |
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r.a[2] = sym_class.addr(); |
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Execute68k((uint32)proc2, &r); |
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D(bug(" FindSymbol: ret %d, sym_addr %p, sym_class %ld\n", (int16)r.d[0], sym_addr, sym_class)); |
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D(bug(" FindSymbol1: ret %d, sym_addr %p, sym_class %ld\n", (int16)r.d[0], sym_addr.value(), sym_class.value())); |
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//!! CloseConnection()? |
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if (r.d[0]) |
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return NULL; |
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else |
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return sym_addr; |
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return (void *)sym_addr.value(); |
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} else { |
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return 0; |
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} |
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int16 res; |
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res = GetSharedLibrary(lib, FOURCC('p','w','p','c'), 1, &conn_id, &main_addr, err); |
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D(bug(" GetSharedLibrary: ret %d, connection ID %ld, main %p\n", res, conn_id, main_addr)); |
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res = GetSharedLibrary(lib.value(), FOURCC('p','w','p','c'), 1, (uint32 *)conn_id.addr(), (void **)main_addr.addr(), (char *)err.addr()); |
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D(bug(" GetSharedLibrary: ret %d, connection ID %ld, main %p\n", res, conn_id.value(), main_addr.value())); |
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if (res) |
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return NULL; |
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res = FindSymbol(conn_id, sym, (void **)&sym_addr, &sym_class); |
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D(bug(" FindSymbol: ret %d, sym_addr %p, sym_class %ld\n", res, sym_addr, sym_class)); |
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res = FindSymbol(conn_id.value(), sym.value(), (void **)sym_addr.addr(), (uint32 *)sym_class.addr()); |
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D(bug(" FindSymbol: ret %d, sym_addr %p, sym_class %ld\n", res, sym_addr.value(), sym_class.value())); |
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//!!?? CloseConnection(&conn_id); |
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if (res) |
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return NULL; |
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else |
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return sym_addr; |
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return (void *)sym_addr.value(); |
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} |
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} |
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printf("FATAL: Can't find CloseConnection()\n"); |
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QuitEmulator(); |
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} |
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|
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nps_tvect = (uint32)FindLibSymbol("\014InterfaceLib", "\011NewPtrSys"); |
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D(bug("NewPtrSys TVECT at %08lx\n", nps_tvect)); |
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if (nps_tvect == 0) { |
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printf("FATAL: Can't find NewPtrSys()\n"); |
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QuitEmulator(); |
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} |
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|
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d_tvect = (uint32)FindLibSymbol("\014InterfaceLib", "\012DisposePtr"); |
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D(bug("DisposePtr TVECT at %08lx\n", d_tvect)); |
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if (d_tvect == 0) { |
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printf("FATAL: Can't find DisposePtr()\n"); |
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QuitEmulator(); |
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} |
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} |
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uint32 days = local->tm_yday + 365 * (local->tm_year - 4) + intervening_leap_days; |
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return local->tm_sec + 60 * (local->tm_min + 60 * (local->tm_hour + 24 * days)); |
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} |
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|
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/* |
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* Memory allocators in MacOS system heap zone |
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*/ |
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|
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void *Mac_sysalloc(uint32 size) |
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{ |
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return NewPtrSys(size); |
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} |
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|
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void Mac_sysfree(void *p) |
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{ |
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DisposePtr(p); |
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} |
