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Annotation of XNU/osfmk/i386/AT386/mp/mp_v1_1.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * @OSF_COPYRIGHT@
        !            24:  */
        !            25: 
        !            26: #include <cpus.h>
        !            27: #include <mach_rt.h>
        !            28: #include <mach_kdb.h>
        !            29: #include <mach_ldebug.h>
        !            30: 
        !            31: #include <i386/AT386/misc_protos.h>
        !            32: #include <i386/AT386/mp/mp_v1_1.h>
        !            33: #include <i386/AT386/mp/mp.h>
        !            34: #include <i386/AT386/mp/boot.h>
        !            35: #include <i386/apic.h>
        !            36: #include <i386/ipl.h>
        !            37: #include <i386/fpu.h>
        !            38: #include <i386/pio.h>
        !            39: #include <i386/cpuid.h>
        !            40: #include <i386/proc_reg.h>
        !            41: #include <i386/misc_protos.h>
        !            42: #include <mach/mach_types.h>
        !            43: #include <mach/kern_return.h>
        !            44: #include <vm/vm_kern.h>
        !            45: #include <kern/startup.h>
        !            46: #include <kern/cpu_number.h>
        !            47: #include <kern/cpu_data.h>
        !            48: 
        !            49: #define MP_DEBUG 1
        !            50: 
        !            51: #if    MP_DEBUG
        !            52: vm_offset_t    bios_start;
        !            53: #endif /* MP_DEBUG */
        !            54: 
        !            55: unsigned int   lapic_id_initdata = 0;
        !            56: int            lapic_id = (int)&lapic_id_initdata;
        !            57: vm_offset_t    lapic_start;
        !            58: 
        !            59: void           lapic_init(void);
        !            60: int            get_ncpus(void);
        !            61: void           validate_cpus(int ncpus);
        !            62: void           cpu_interrupt(int cpu);
        !            63: void           slave_boot(int cpu);
        !            64: 
        !            65: boolean_t      mp_v1_1_initialized = FALSE;
        !            66: 
        !            67: void
        !            68: mp_v1_1_init(void)
        !            69: {
        !            70:        /*WILL BE REMOVED IN FUTURE REVISION!!! !*/
        !            71:        /* SIMPLY COMMENTED OUT FOR THE MOMENT */
        !            72:        return;
        !            73: }
        !            74: 
        !            75: void
        !            76: lapic_init(void)
        !            77: {
        !            78: }
        !            79: 
        !            80: void
        !            81: cpu_interrupt(
        !            82:        int     cpu)
        !            83: {
        !            84: }
        !            85: 
        !            86: #if NCPUS > 1
        !            87: void
        !            88: slave_boot(
        !            89:        int     cpu)
        !            90: {
        !            91: }
        !            92: 
        !            93: void
        !            94: start_other_cpus(void)
        !            95: {
        !            96: }
        !            97: 
        !            98: void
        !            99: validate_cpus(int ncpus)
        !           100: {
        !           101:        int i;
        !           102:        for(i=0;i<NCPUS;i++)
        !           103:            machine_slot[i].is_cpu = TRUE;
        !           104: }
        !           105: 
        !           106: int
        !           107: get_ncpus(void)
        !           108: {
        !           109:        return 1;
        !           110: }
        !           111: 
        !           112: void
        !           113: slave_machine_init(void)
        !           114: {
        !           115: }
        !           116: 
        !           117: #endif /* NCPUS > 1 */
        !           118: 
        !           119: #if    MACH_KDB
        !           120: #include <ddb/db_output.h>
        !           121: 
        !           122: #define TRAP_DEBUG 0 /* Must match interrupt.s and spl.s */
        !           123: 
        !           124: 
        !           125: #if    TRAP_DEBUG
        !           126: #define MTRAPS 100
        !           127: struct mp_trap_hist_struct {
        !           128:        unsigned char type;
        !           129:        unsigned char data[5];
        !           130: } trap_hist[MTRAPS], *cur_trap_hist = trap_hist,
        !           131:     *max_trap_hist = &trap_hist[MTRAPS];
        !           132: 
        !           133: void db_trap_hist(void);
        !           134: 
        !           135: /*
        !           136:  * SPL:
        !           137:  *     1: new spl
        !           138:  *     2: old spl
        !           139:  *     3: new tpr
        !           140:  *     4: old tpr
        !           141:  * INT:
        !           142:  *     1: int vec
        !           143:  *     2: old spl
        !           144:  *     3: new spl
        !           145:  *     4: post eoi tpr
        !           146:  *     5: exit tpr
        !           147:  */
        !           148: 
        !           149: void
        !           150: db_trap_hist(void)
        !           151: {
        !           152:        int i,j;
        !           153:        for(i=0;i<MTRAPS;i++)
        !           154:            if (trap_hist[i].type == 1 || trap_hist[i].type == 2) {
        !           155:                    db_printf("%s%s",
        !           156:                              (&trap_hist[i]>=cur_trap_hist)?"*":" ",
        !           157:                              (trap_hist[i].type == 1)?"SPL":"INT");
        !           158:                    for(j=0;j<5;j++)
        !           159:                        db_printf(" %02x", trap_hist[i].data[j]);
        !           160:                    db_printf("\n");
        !           161:            }
        !           162:                
        !           163: }
        !           164: #endif /* TRAP_DEBUG */
        !           165: 
        !           166: void db_lapic(int cpu);
        !           167: unsigned int db_remote_read(int cpu, int reg);
        !           168: void db_ioapic(unsigned int);
        !           169: void kdb_console(void);
        !           170: 
        !           171: void
        !           172: kdb_console(void)
        !           173: {
        !           174: }
        !           175: 
        !           176: #define BOOLP(a) ((a)?' ':'!')
        !           177: 
        !           178: static char *DM[8] = {
        !           179:        "Fixed",
        !           180:        "Lowest Priority",
        !           181:        "Invalid",
        !           182:        "Invalid",
        !           183:        "NMI",
        !           184:        "Reset",
        !           185:        "Invalid",
        !           186:        "ExtINT"};
        !           187: 
        !           188: unsigned int
        !           189: db_remote_read(int cpu, int reg)
        !           190: {
        !           191:        return -1;
        !           192: }
        !           193: 
        !           194: void
        !           195: db_lapic(int cpu)
        !           196: {
        !           197: }
        !           198: 
        !           199: void
        !           200: db_ioapic(unsigned int ind)
        !           201: {
        !           202: }
        !           203: 
        !           204: #endif /* MACH_KDB */

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