/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1993 NeXT Computer, Inc. * * Architecture computing functions. * * HISTORY * * 11 April 1997 * Update m98k to ppc and removed the never supported architectures (mips, * and vax). Apple Computer, Inc. * * 4 February 1993 Lennart Lovstrand * Redesigned to use NXArchInfo based names and signatures. * * Originally written at NeXT, Inc. * */ #ifndef RLD #include #include #include #include #include #include "mach/machine.h" #include "mach/mach.h" #include "stuff/openstep_mach.h" #include #include /* The array of all currently know architecture flags (terminated with an entry * with all zeros). Pointer to this returned with NXGetAllArchInfos(). */ static const NXArchInfo ArchInfoTable[] = { /* architecture families */ {"hppa", CPU_TYPE_HPPA, CPU_SUBTYPE_HPPA_ALL, NX_BigEndian, "HP-PA"}, {"i386", CPU_TYPE_I386, CPU_SUBTYPE_I386_ALL, NX_LittleEndian, "Intel 80x86"}, {"i860", CPU_TYPE_I860, CPU_SUBTYPE_I860_ALL, NX_BigEndian, "Intel 860"}, {"m68k", CPU_TYPE_MC680x0, CPU_SUBTYPE_MC680x0_ALL, NX_BigEndian, "Motorola 68K"}, {"m88k", CPU_TYPE_MC88000, CPU_SUBTYPE_MC88000_ALL, NX_BigEndian, "Motorola 88K"}, {"ppc", CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_ALL, NX_BigEndian, "PowerPC"}, {"ppc64", CPU_TYPE_POWERPC64, CPU_SUBTYPE_POWERPC_ALL, NX_BigEndian, "PowerPC 64-bit"}, {"sparc", CPU_TYPE_SPARC, CPU_SUBTYPE_SPARC_ALL, NX_BigEndian, "SPARC"}, {"any", CPU_TYPE_ANY, CPU_SUBTYPE_MULTIPLE, NX_UnknownByteOrder, "Architecture Independent"}, {"veo", CPU_TYPE_VEO, CPU_SUBTYPE_VEO_ALL, NX_BigEndian, "veo"}, /* specific architecture implementations */ {"hppa7100LC", CPU_TYPE_HPPA, CPU_SUBTYPE_HPPA_7100LC, NX_BigEndian, "HP-PA 7100LC"}, {"m68030", CPU_TYPE_MC680x0, CPU_SUBTYPE_MC68030_ONLY, NX_BigEndian, "Motorola 68030"}, {"m68040", CPU_TYPE_MC680x0, CPU_SUBTYPE_MC68040, NX_BigEndian, "Motorola 68040"}, {"i486", CPU_TYPE_I386, CPU_SUBTYPE_486, NX_LittleEndian, "Intel 80486"}, {"i486SX", CPU_TYPE_I386, CPU_SUBTYPE_486SX, NX_LittleEndian, "Intel 80486SX"}, {"pentium",CPU_TYPE_I386, CPU_SUBTYPE_PENT, NX_LittleEndian, "Intel Pentium"}, /* same as 586 */ {"i586", CPU_TYPE_I386, CPU_SUBTYPE_586, NX_LittleEndian, "Intel 80586"}, {"pentpro", CPU_TYPE_I386, CPU_SUBTYPE_PENTPRO, NX_LittleEndian, "Intel Pentium Pro"}, /* same as 686 */ {"i686", CPU_TYPE_I386, CPU_SUBTYPE_PENTPRO, NX_LittleEndian, "Intel Pentium Pro"}, {"pentIIm3", CPU_TYPE_I386, CPU_SUBTYPE_PENTII_M3, NX_LittleEndian, "Intel Pentium II Model 3" }, {"pentIIm5", CPU_TYPE_I386, CPU_SUBTYPE_PENTII_M5, NX_LittleEndian, "Intel Pentium II Model 5" }, {"ppc601", CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_601, NX_BigEndian, "PowerPC 601" }, {"ppc603", CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_603, NX_BigEndian, "PowerPC 603" }, {"ppc603e",CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_603e, NX_BigEndian, "PowerPC 603e" }, {"ppc603ev",CPU_TYPE_POWERPC,CPU_SUBTYPE_POWERPC_603ev,NX_BigEndian, "PowerPC 603ev" }, {"ppc604", CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_604, NX_BigEndian, "PowerPC 604" }, {"ppc604e",CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_604e, NX_BigEndian, "PowerPC 604e" }, {"ppc750", CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_750, NX_BigEndian, "PowerPC 750" }, {"ppc7400",CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_7400, NX_BigEndian, "PowerPC 7400" }, {"ppc7450",CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_7450, NX_BigEndian, "PowerPC 7450" }, {"ppc970", CPU_TYPE_POWERPC, CPU_SUBTYPE_POWERPC_970, NX_BigEndian, "PowerPC 970" }, {"ppc970-64", CPU_TYPE_POWERPC64, CPU_SUBTYPE_POWERPC_970, NX_BigEndian, "PowerPC 970 64-bit"}, {"little", CPU_TYPE_ANY, CPU_SUBTYPE_LITTLE_ENDIAN, NX_LittleEndian, "Little Endian"}, {"big", CPU_TYPE_ANY, CPU_SUBTYPE_BIG_ENDIAN, NX_BigEndian, "Big Endian"}, {"veo1",CPU_TYPE_VEO, CPU_SUBTYPE_VEO_1, NX_BigEndian, "veo 1" }, {"veo2",CPU_TYPE_VEO, CPU_SUBTYPE_VEO_2, NX_BigEndian, "veo 2" }, {NULL, 0, 0, 0, NULL} }; /* * NXGetAllArchInfos() returns a pointer to an array of all currently know * architecture flags (terminated with an entry with all zeros). */ const NXArchInfo * NXGetAllArchInfos(void) { return(ArchInfoTable); } /* * NXGetLocalArchInfo() returns the NXArchInfo matching the cputype and * cpusubtype of the local host. NULL is returned if there is no matching * entry in the ArchInfoTable. */ const NXArchInfo * NXGetLocalArchInfo(void) { struct host_basic_info hbi; kern_return_t ret; unsigned int count; mach_port_t my_mach_host_self; count = HOST_BASIC_INFO_COUNT; my_mach_host_self = mach_host_self(); ret = host_info(my_mach_host_self, HOST_BASIC_INFO, (host_info_t)&hbi, &count); mach_port_deallocate(mach_task_self(), my_mach_host_self); if(ret != KERN_SUCCESS) return(NULL); /* * There is a "bug" in the kernel for compatiblity that on * an 030 machine host_info() returns cpusubtype * CPU_SUBTYPE_MC680x0_ALL and not CPU_SUBTYPE_MC68030_ONLY. */ if(hbi.cpu_type == CPU_TYPE_MC680x0 && hbi.cpu_subtype == CPU_SUBTYPE_MC680x0_ALL) hbi.cpu_subtype = CPU_SUBTYPE_MC68030_ONLY; return(NXGetArchInfoFromCpuType(hbi.cpu_type, hbi.cpu_subtype)); } /* * NXGetArchInfoFromName() is passed an architecture name (like "m68k") * and returns the matching NXArchInfo struct, or NULL if none is found. */ const NXArchInfo * NXGetArchInfoFromName( const char *name) { const NXArchInfo *ai; for(ai = ArchInfoTable; ai->name != NULL; ai++) if(strcmp(ai->name, name) == 0) return(ai); return(NULL); } /* * NXGetArchInfoFromName() is passed a cputype and cpusubtype and returns * the matching NXArchInfo struct, or NULL if none is found. If the * cpusubtype is given as CPU_SUBTYPE_MULTIPLE, the first entry that * matches the given cputype is returned. This is the NXArchInfo struct * describing the CPU "family". */ const NXArchInfo * NXGetArchInfoFromCpuType( cpu_type_t cputype, cpu_subtype_t cpusubtype) { const NXArchInfo *ai; NXArchInfo *q; for(ai = ArchInfoTable; ai->name != NULL; ai++) if(ai->cputype == cputype && (cpusubtype == CPU_SUBTYPE_MULTIPLE || (ai->cpusubtype == cpusubtype))) return(ai); if(cputype == CPU_TYPE_I386){ q = malloc(sizeof(NXArchInfo)); for(ai = ArchInfoTable; ai->name != NULL; ai++){ if(ai->cputype == cputype){ *q = *ai; break; } } q->cpusubtype = cpusubtype; q->description = malloc(sizeof("Intel family model ") + 2 + 8); if(q->description == NULL) return(NULL); sprintf((char *)q->description, "Intel family %u model %u", CPU_SUBTYPE_INTEL_FAMILY(cpusubtype), CPU_SUBTYPE_INTEL_MODEL(cpusubtype)); return((const NXArchInfo *)q); } else if(cputype == CPU_TYPE_POWERPC){ q = malloc(sizeof(NXArchInfo)); for(ai = ArchInfoTable; ai->name != NULL; ai++){ if(ai->cputype == cputype){ *q = *ai; break; } } q->cpusubtype = cpusubtype; q->description = malloc(sizeof("PowerPC cpusubtype ") + 10); if(q->description == NULL) return(NULL); sprintf((char *)q->description, "PowerPC cpusubtype %u", cpusubtype); return((const NXArchInfo *)q); } return(NULL); } /* * NXFindBestFatArch() is passed a cputype and cpusubtype and a set of * fat_arch structs and selects the best one that matches (if any) and returns * a pointer to that fat_arch struct (or NULL). The fat_arch structs must be * in the host byte order and correct such that the fat_archs really points to * enough memory for nfat_arch structs. It is possible that this routine could * fail if new cputypes or cpusubtypes are added and an old version of this * routine is used. But if there is an exact match between the cputype and * cpusubtype and one of the fat_arch structs this routine will always succeed. */ struct fat_arch * NXFindBestFatArch( cpu_type_t cputype, cpu_subtype_t cpusubtype, struct fat_arch *fat_archs, uint32_t nfat_archs) { unsigned long i; long lowest_family, lowest_model, lowest_index; /* * Look for the first exact match. */ for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype == cputype && fat_archs[i].cpusubtype == cpusubtype) return(fat_archs + i); } /* * An exact match was not found so find the next best match which is * cputype dependent. */ switch(cputype){ case CPU_TYPE_I386: switch(cpusubtype){ default: /* * Intel cpusubtypes after the pentium (same as 586) are handled * such that they require an exact match or they can use the * pentium. If that is not found call into the loop for the * earilier subtypes. */ for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_PENT) return(fat_archs + i); } case CPU_SUBTYPE_PENT: case CPU_SUBTYPE_486SX: /* * Since an exact match as not found look for the i486 else * break into the loop to look for the i386_ALL. */ for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_486) return(fat_archs + i); } break; case CPU_SUBTYPE_I386_ALL: /* case CPU_SUBTYPE_I386: same as above */ case CPU_SUBTYPE_486: break; } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_I386_ALL) return(fat_archs + i); } /* * A match failed, promote as little as possible. */ for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_486) return(fat_archs + i); } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_486SX) return(fat_archs + i); } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_586) return(fat_archs + i); } /* * Now look for the lowest family and in that the lowest model. */ lowest_family = CPU_SUBTYPE_INTEL_FAMILY_MAX + 1; for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(CPU_SUBTYPE_INTEL_FAMILY(fat_archs[i].cpusubtype) < lowest_family) lowest_family = CPU_SUBTYPE_INTEL_FAMILY( fat_archs[i].cpusubtype); } /* if no intel cputypes found return NULL */ if(lowest_family == CPU_SUBTYPE_INTEL_FAMILY_MAX + 1) return(NULL); lowest_model = LONG_MAX; lowest_index = -1; for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(CPU_SUBTYPE_INTEL_FAMILY(fat_archs[i].cpusubtype) == lowest_family){ if(CPU_SUBTYPE_INTEL_MODEL(fat_archs[i].cpusubtype) < lowest_model){ lowest_model = CPU_SUBTYPE_INTEL_MODEL( fat_archs[i].cpusubtype); lowest_index = i; } } } return(fat_archs + lowest_index); case CPU_TYPE_MC680x0: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_MC680x0_ALL) return(fat_archs + i); } /* * Try to promote if starting from CPU_SUBTYPE_MC680x0_ALL and * favor the CPU_SUBTYPE_MC68040 over the CPU_SUBTYPE_MC68030_ONLY. */ if(cpusubtype == CPU_SUBTYPE_MC680x0_ALL){ for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_MC68040) return(fat_archs + i); } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_MC68030_ONLY) return(fat_archs + i); } } break; case CPU_TYPE_POWERPC: /* * An exact match as not found. So for all the PowerPC subtypes * pick the subtype from the following order starting from a subtype * that will work (contains 64-bit instructions or altivec if * needed): * 970, 7450, 7400, 750, 604e, 604, 603ev, 603e, 603, ALL * Note the 601 is NOT in the list above. It is only picked via * an exact match. For an unknown subtype pick only the ALL type if * it exists. */ switch(cpusubtype){ case CPU_SUBTYPE_POWERPC_ALL: /* * The CPU_SUBTYPE_POWERPC_ALL is only used by the development * environment tools when building a generic ALL type binary. * In the case of a non-exact match we pick the most current * processor. */ case CPU_SUBTYPE_POWERPC_970: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_970) return(fat_archs + i); } case CPU_SUBTYPE_POWERPC_7450: case CPU_SUBTYPE_POWERPC_7400: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_7450) return(fat_archs + i); } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_7400) return(fat_archs + i); } case CPU_SUBTYPE_POWERPC_750: case CPU_SUBTYPE_POWERPC_604e: case CPU_SUBTYPE_POWERPC_604: case CPU_SUBTYPE_POWERPC_603ev: case CPU_SUBTYPE_POWERPC_603e: case CPU_SUBTYPE_POWERPC_603: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_750) return(fat_archs + i); } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_604e) return(fat_archs + i); } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_604) return(fat_archs + i); } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_603ev) return(fat_archs + i); } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_603e) return(fat_archs + i); } for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_603) return(fat_archs + i); } default: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_ALL) return(fat_archs + i); } } break; case CPU_TYPE_POWERPC64: /* * An exact match as not found. So for all the PowerPC64 subtypes * pick the subtype from the following order starting from a subtype * that will work (contains 64-bit instructions or altivec if * needed): * 970 (currently only the one 64-bit subtype) * For an unknown subtype pick only the ALL type if it exists. */ switch(cpusubtype){ case CPU_SUBTYPE_POWERPC_ALL: /* * The CPU_SUBTYPE_POWERPC_ALL is only used by the development * environment tools when building a generic ALL type binary. * In the case of a non-exact match we pick the most current * processor. */ case CPU_SUBTYPE_POWERPC_970: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_970) return(fat_archs + i); } default: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_POWERPC_ALL) return(fat_archs + i); } } break; case CPU_TYPE_MC88000: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_MC88000_ALL) return(fat_archs + i); } break; case CPU_TYPE_I860: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_I860_ALL) return(fat_archs + i); } break; case CPU_TYPE_HPPA: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_HPPA_ALL) return(fat_archs + i); } break; case CPU_TYPE_SPARC: for(i = 0; i < nfat_archs; i++){ if(fat_archs[i].cputype != cputype) continue; if(fat_archs[i].cpusubtype == CPU_SUBTYPE_SPARC_ALL) return(fat_archs + i); } break; default: return(NULL); } return(NULL); } /* * NXCombineCpuSubtypes() returns the resulting cpusubtype when combining two * different cpusubtypes for the specified cputype. If the two cpusubtypes * can't be combined (the specific subtypes are mutually exclusive) -1 is * returned indicating it is an error to combine them. This can also fail and * return -1 if new cputypes or cpusubtypes are added and an old version of * this routine is used. But if the cpusubtypes are the same they can always * be combined and this routine will return the cpusubtype pass in. */ cpu_subtype_t NXCombineCpuSubtypes( cpu_type_t cputype, cpu_subtype_t cpusubtype1, cpu_subtype_t cpusubtype2) { if(cpusubtype1 == cpusubtype2) return(cpusubtype1); switch(cputype){ case CPU_TYPE_I386: /* * For compatiblity with pre-Rhapsody CR1 systems the subtypes that * previously existed are handled the same as before. So going in * we know we don't have an exact match because of the test done * at the beginning of the routine. */ if((cpusubtype1 == CPU_SUBTYPE_I386_ALL || /* cpusubtype1 == CPU_SUBTYPE_386 || same as above */ cpusubtype1 == CPU_SUBTYPE_486 || cpusubtype1 == CPU_SUBTYPE_486SX || cpusubtype1 == CPU_SUBTYPE_586) && (cpusubtype2 == CPU_SUBTYPE_I386_ALL || /* cpusubtype2 == CPU_SUBTYPE_386 || same as above */ cpusubtype2 == CPU_SUBTYPE_486 || cpusubtype2 == CPU_SUBTYPE_486SX || cpusubtype2 == CPU_SUBTYPE_586)){ /* return the highest subtype of the two */ if(cpusubtype1 == CPU_SUBTYPE_586 || cpusubtype2 == CPU_SUBTYPE_586) return(CPU_SUBTYPE_586); if(cpusubtype1 == CPU_SUBTYPE_486SX || cpusubtype2 == CPU_SUBTYPE_486SX) return(CPU_SUBTYPE_486SX); if(cpusubtype1 == CPU_SUBTYPE_486 || cpusubtype2 == CPU_SUBTYPE_486) return(CPU_SUBTYPE_486); break; /* logically can't get here */ } /* * If either is a MODEL_ALL type select the one with the highest * family type. Note that only the old group of subtypes (ALL, 386, * 486, 486SX, 586) can ever have MODEL_ALL (a model number of * zero). Since the cases both subtypes being in the old group are * handled above this makes the the highest family type the one that * is not MODEL_ALL. */ if(CPU_SUBTYPE_INTEL_MODEL(cpusubtype1) == CPU_SUBTYPE_INTEL_MODEL_ALL) return(cpusubtype2); if(CPU_SUBTYPE_INTEL_MODEL(cpusubtype2) == CPU_SUBTYPE_INTEL_MODEL_ALL) return(cpusubtype1); /* * For all other families and models they must match exactly to * combine and since that test was done at the start of this routine * we know these do not match and do not combine. */ return((cpu_subtype_t)-1); break; /* logically can't get here */ case CPU_TYPE_MC680x0: if(cpusubtype1 != CPU_SUBTYPE_MC680x0_ALL && cpusubtype1 != CPU_SUBTYPE_MC68030_ONLY && cpusubtype1 != CPU_SUBTYPE_MC68040) return((cpu_subtype_t)-1); if(cpusubtype2 != CPU_SUBTYPE_MC680x0_ALL && cpusubtype2 != CPU_SUBTYPE_MC68030_ONLY && cpusubtype2 != CPU_SUBTYPE_MC68040) return((cpu_subtype_t)-1); if(cpusubtype1 == CPU_SUBTYPE_MC68030_ONLY && cpusubtype2 == CPU_SUBTYPE_MC68040) return((cpu_subtype_t)-1); if(cpusubtype1 == CPU_SUBTYPE_MC68040 && cpusubtype2 == CPU_SUBTYPE_MC68030_ONLY) return((cpu_subtype_t)-1); if(cpusubtype1 == CPU_SUBTYPE_MC68030_ONLY || cpusubtype2 == CPU_SUBTYPE_MC68030_ONLY) return(CPU_SUBTYPE_MC68030_ONLY); if(cpusubtype1 == CPU_SUBTYPE_MC68040 || cpusubtype2 == CPU_SUBTYPE_MC68040) return(CPU_SUBTYPE_MC68040); break; /* logically can't get here */ case CPU_TYPE_POWERPC: /* * Combining with the ALL type becomes the other type. Combining * anything with the 601 becomes 601. All other non exact matches * combine to the higher value subtype. */ if(cpusubtype1 == CPU_SUBTYPE_POWERPC_ALL) return(cpusubtype2); if(cpusubtype2 == CPU_SUBTYPE_POWERPC_ALL) return(cpusubtype1); if(cpusubtype1 == CPU_SUBTYPE_POWERPC_601 || cpusubtype2 == CPU_SUBTYPE_POWERPC_601) return(CPU_SUBTYPE_POWERPC_601); if(cpusubtype1 > cpusubtype2) return(cpusubtype1); else return(cpusubtype2); break; /* logically can't get here */ case CPU_TYPE_MC88000: if(cpusubtype1 != CPU_SUBTYPE_MC88000_ALL && cpusubtype1 != CPU_SUBTYPE_MC88110) return((cpu_subtype_t)-1); if(cpusubtype2 != CPU_SUBTYPE_MC88000_ALL && cpusubtype2 != CPU_SUBTYPE_MC88110) return((cpu_subtype_t)-1); if(cpusubtype1 == CPU_SUBTYPE_MC88110 || cpusubtype2 == CPU_SUBTYPE_MC88110) return(CPU_SUBTYPE_MC88110); break; /* logically can't get here */ case CPU_TYPE_I860: if(cpusubtype1 != CPU_SUBTYPE_I860_ALL && cpusubtype1 != CPU_SUBTYPE_I860_860) return((cpu_subtype_t)-1); if(cpusubtype2 != CPU_SUBTYPE_I860_ALL && cpusubtype2 != CPU_SUBTYPE_I860_860) return((cpu_subtype_t)-1); if(cpusubtype1 == CPU_SUBTYPE_I860_860 || cpusubtype2 == CPU_SUBTYPE_I860_860) return(CPU_SUBTYPE_I860_860); break; /* logically can't get here */ case CPU_TYPE_HPPA: if(cpusubtype1 != CPU_SUBTYPE_HPPA_ALL && cpusubtype1 != CPU_SUBTYPE_HPPA_7100LC) return((cpu_subtype_t)-1); if(cpusubtype2 != CPU_SUBTYPE_HPPA_ALL && cpusubtype2 != CPU_SUBTYPE_HPPA_7100LC) return((cpu_subtype_t)-1); return(CPU_SUBTYPE_HPPA_7100LC); break; /* logically can't get here */ case CPU_TYPE_SPARC: if(cpusubtype1 != CPU_SUBTYPE_SPARC_ALL) return((cpu_subtype_t)-1); if(cpusubtype2 != CPU_SUBTYPE_SPARC_ALL) return((cpu_subtype_t)-1); break; /* logically can't get here */ default: return((cpu_subtype_t)-1); } return((cpu_subtype_t)-1); /* logically can't get here */ } #endif /* !defined(RLD) */