/[gxemul]/upstream/0.3.8/src/useremul.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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trunk/src/useremul.c revision 12 by dpavlin, Mon Oct 8 16:18:38 2007 UTC upstream/0.3.8/src/useremul.c revision 23 by dpavlin, Mon Oct 8 16:19:43 2007 UTC
# Line 1  Line 1 
1  /*  /*
2   *  Copyright (C) 2004-2005  Anders Gavare.  All rights reserved.   *  Copyright (C) 2004-2006  Anders Gavare.  All rights reserved.
3   *   *
4   *  Redistribution and use in source and binary forms, with or without   *  Redistribution and use in source and binary forms, with or without
5   *  modification, are permitted provided that the following conditions are met:   *  modification, are permitted provided that the following conditions are met:
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *   *
27   *   *
28   *  $Id: useremul.c,v 1.62 2005/08/16 06:49:26 debug Exp $   *  $Id: useremul.c,v 1.70 2006/01/14 12:51:59 debug Exp $
29   *   *
30   *  Userland (syscall) emulation.   *  Userland (syscall) emulation.
31   *   *
32   *  TODO:   *  TODO:
33   *   *
34   *      NetBSD/pmax:   *      environment passing for most emulation modes
35   *              environment passing   *
36   *              more syscalls   *      implement more syscalls
37   *   *
38   *      32-bit vs 64-bit problems? MIPS n32, o32, n64?   *      32-bit vs 64-bit problems? MIPS n32, o32, n64?
39   *   *
# Line 232  void useremul__netbsd_setup(struct cpu * Line 232  void useremul__netbsd_setup(struct cpu *
232                  }                  }
233                  break;                  break;
234    
235            case ARCH_ALPHA:
236                    debug("useremul__netbsd_setup(): ALPHA: TODO\n");
237                    break;
238    
239          case ARCH_ARM:          case ARCH_ARM:
240                  debug("useremul__netbsd_setup(): ARM: TODO\n");                  debug("useremul__netbsd_setup(): ARM: TODO\n");
241                  break;                  break;
# Line 360  static unsigned char *get_userland_buf(s Line 364  static unsigned char *get_userland_buf(s
364          uint64_t baseaddr, uint64_t len)          uint64_t baseaddr, uint64_t len)
365  {  {
366          unsigned char *charbuf;          unsigned char *charbuf;
367          ssize_t i;          size_t i;
368    
369          charbuf = malloc(len);          charbuf = malloc(len);
370          if (charbuf == NULL) {          if (charbuf == NULL) {
# Line 695  static void useremul__freebsd(struct cpu Line 699  static void useremul__freebsd(struct cpu
699          case 58:res = useremul_readlink(cpu, &err, arg0, arg1, arg2);          case 58:res = useremul_readlink(cpu, &err, arg0, arg1, arg2);
700                  break;                  break;
701    
702            case 73:/* munmap. TODO */
703                    res = 1;
704                    break;
705    
706          case 117:res = useremul_getrusage(cpu, &err, arg0, arg1);          case 117:res = useremul_getrusage(cpu, &err, arg0, arg1);
707                  break;                  break;
708    
# Line 828  static void useremul__netbsd(struct cpu Line 836  static void useremul__netbsd(struct cpu
836                  arg3 = cpu->cd.ppc.gpr[6];                  arg3 = cpu->cd.ppc.gpr[6];
837                  /*  TODO:  More arguments? Stack arguments?  */                  /*  TODO:  More arguments? Stack arguments?  */
838                  break;                  break;
839    
840            case ARCH_ARM:
841                    sysnr = code & 0xfffff;
842                    arg0 = cpu->cd.arm.r[0];
843                    arg1 = cpu->cd.arm.r[1];
844                    arg2 = cpu->cd.arm.r[2];
845                    arg3 = cpu->cd.arm.r[3];
846                    /*  TODO:  More arguments? Stack arguments?  */
847                    break;
848    
849            default:fatal("netbsd syscall for this arch: TODO\n");
850                    exit(1);
851          }          }
852    
853          /*          /*
854           *  NOTE: The following code should not be CPU arch dependant!           *  NOTE/TODO: The following code should not be CPU arch dependent!
          *  (TODO)  
855           */           */
856    
857          switch (sysnr) {          switch (sysnr) {
# Line 1187  static void useremul__netbsd(struct cpu Line 1206  static void useremul__netbsd(struct cpu
1206    
1207    
1208          switch (cpu->machine->arch) {          switch (cpu->machine->arch) {
1209            case ARCH_ARM:
1210                    /*  NetBSD/arm return values:  */
1211                    cpu->cd.arm.r[0] = result_low;
1212                    cpu->cd.arm.cpsr &= ~ARM_FLAG_C;
1213                    if (error_flag) {
1214                            cpu->cd.arm.cpsr |= ARM_FLAG_C;
1215                            cpu->cd.arm.r[0] = error_code;
1216                    }
1217                    if (result_high_set)
1218                            cpu->cd.arm.r[1] = result_high;
1219                    cpu->cd.arm.flags = cpu->cd.arm.cpsr >> 28;
1220                    break;
1221          case ARCH_MIPS:          case ARCH_MIPS:
1222                  /*                  /*
1223                   *  NetBSD/mips return values:                   *  NetBSD/mips return values:
# Line 1685  static void add_useremul(char *name, int Line 1716  static void add_useremul(char *name, int
1716  void useremul_list_emuls(void)  void useremul_list_emuls(void)
1717  {  {
1718          struct syscall_emul *sep;          struct syscall_emul *sep;
1719          int iadd = 8;          int iadd = DEBUG_INDENTATION * 2;
1720    
1721          sep = first_syscall_emul;          sep = first_syscall_emul;
1722    
# Line 1729  void useremul_init(void) Line 1760  void useremul_init(void)
1760          add_useremul("NetBSD/pmax", ARCH_MIPS, "R3000",          add_useremul("NetBSD/pmax", ARCH_MIPS, "R3000",
1761              useremul__netbsd, useremul__netbsd_setup);              useremul__netbsd, useremul__netbsd_setup);
1762    
1763          add_useremul("NetBSD/arm", ARCH_ARM, "ARM",          add_useremul("NetBSD/arm", ARCH_ARM, "SA1110",
1764              useremul__netbsd, useremul__netbsd_setup);              useremul__netbsd, useremul__netbsd_setup);
1765    
1766          add_useremul("NetBSD/amd64", ARCH_X86, "AMD64",          add_useremul("NetBSD/amd64", ARCH_X86, "AMD64",
1767              useremul__netbsd, useremul__netbsd_setup);              useremul__netbsd, useremul__netbsd_setup);
1768    
1769            add_useremul("NetBSD/alpha", ARCH_ALPHA, "Alpha",
1770                useremul__netbsd, useremul__netbsd_setup);
1771    
1772          add_useremul("Linux/PPC64", ARCH_PPC, "PPC970",          add_useremul("Linux/PPC64", ARCH_PPC, "PPC970",
1773              useremul__linux, useremul__linux_setup);              useremul__linux, useremul__linux_setup);
1774    
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