+++ /dev/null
-/*
- * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_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. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * 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_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
- * @OSF_FREE_COPYRIGHT@
- */
-/*
- * @APPLE_FREE_COPYRIGHT@
- */
-
-/*
- * Author: Bill Angell, Apple
- * Date: 6/97
- *
- * exceptions and certain C functions write into a trace table which
- * can be examined via the machine 'lt' command under kdb
- */
-
-
-#include <string.h> /* For strcpy() */
-#include <mach/boolean.h>
-#include <machine/db_machdep.h>
-
-#include <ddb/db_access.h>
-#include <ddb/db_lex.h>
-#include <ddb/db_output.h>
-#include <ddb/db_command.h>
-#include <ddb/db_sym.h>
-#include <ddb/db_task_thread.h>
-#include <ddb/db_command.h> /* For db_option() */
-#include <ddb/db_examine.h>
-#include <ddb/db_expr.h>
-#include <kern/thread.h>
-#include <kern/task.h>
-#include <mach/vm_param.h>
-#include <mach/kmod.h>
-#include <ppc/Firmware.h>
-#include <ppc/low_trace.h>
-#include <ppc/db_low_trace.h>
-#include <ppc/mappings.h>
-#include <ppc/pmap.h>
-#include <ppc/mem.h>
-#include <ppc/savearea.h>
-#include <ppc/vmachmon.h>
-
-void db_dumppca(unsigned int ptegindex);
-void db_dumpmapping(struct mapping *mp); /* Dump out a mapping */
-extern kmod_info_t *kmod; /* Find the kmods */
-
-db_addr_t db_low_trace_prev = 0;
-
-/*
- * Print out the low level trace table:
- *
- * Displays the entry and 15 before it in newest to oldest order
- *
- * lt [entaddr]
-
- * If entaddr is omitted, it starts with the most current
- * If entaddr = 0, it starts with the most current and does the whole table
- */
-void
-db_low_trace(db_expr_t addr, boolean_t have_addr, db_expr_t count, char *modif)
-{
- int c, i;
- unsigned int tempx, cnt;
- unsigned int xTraceCurr, xTraceStart, xTraceEnd, cxltr;
- db_addr_t next_addr;
- LowTraceRecord xltr;
- unsigned char cmark;
- addr64_t xxltr;
-
- cnt = 16; /* Default to 16 entries */
-
- xTraceCurr = trcWork.traceCurr; /* Transfer current pointer */
- xTraceStart = trcWork.traceStart; /* Transfer start of table */
- xTraceEnd = trcWork.traceEnd; /* Transfer end of table */
-
- if(addr == -1) cnt = 0x7FFFFFFF; /* Max the count */
-
- if(!addr || (addr == -1)) {
- addr=xTraceCurr-sizeof(LowTraceRecord); /* Start at the newest */
- if((unsigned int)addr<xTraceStart) addr=xTraceEnd-sizeof(LowTraceRecord); /* Wrap low back to high */
- }
-
- if((unsigned int)addr<xTraceStart||(unsigned int)addr>=xTraceEnd) { /* In the table? */
- db_printf("address not in low memory trace table\n"); /* Tell the fool */
- return; /* Leave... */
- }
-
- if((unsigned int)addr&0x0000007F) { /* Proper alignment? */
- db_printf("address not aligned on trace entry boundary (0x80)\n"); /* Tell 'em */
- return; /* Leave... */
- }
-
- xxltr = addr; /* Set the start */
- cxltr = ((xTraceCurr == xTraceStart ? xTraceEnd : xTraceCurr) - sizeof(LowTraceRecord)); /* Get address of newest entry */
-
- db_low_trace_prev = addr; /* Starting point */
-
- for(i=0; i < cnt; i++) { /* Dump the 16 (or all) entries */
-
- ReadReal((addr64_t)xxltr, (unsigned int *)&xltr); /* Get the first half */
- ReadReal((addr64_t)xxltr + 32, &(((unsigned int *)&xltr)[8])); /* Get the second half */
- ReadReal((addr64_t)xxltr + 64, &(((unsigned int *)&xltr)[16])); /* Get the second half */
- ReadReal((addr64_t)xxltr + 96, &(((unsigned int *)&xltr)[24])); /* Get the second half */
-
- db_printf("\n%s%08llX %1X %08X %08X - %04X", (xxltr != cxltr ? " " : "*"),
- xxltr,
- (xltr.LTR_cpu & 0xFF), xltr.LTR_timeHi, xltr.LTR_timeLo,
- (xltr.LTR_excpt & 0x8000 ? 0xFFFF : xltr.LTR_excpt * 64)); /* Print the first line */
-
- if(xltr.LTR_cpu & 0xFF00) db_printf(", sflgs = %02X\n", ((xltr.LTR_cpu >> 8) & 0xFF));
- else db_printf("\n");
-
- db_printf(" DAR/DSR/CR: %016llX %08X %08X\n", xltr.LTR_dar, xltr.LTR_dsisr, xltr.LTR_cr);
-
- db_printf(" SRR0/SRR1 %016llX %016llX\n", xltr.LTR_srr0, xltr.LTR_srr1);
- db_printf(" LR/CTR %016llX %016llX\n", xltr.LTR_lr, xltr.LTR_ctr);
-
- db_printf(" R0/R1/R2 %016llX %016llX %016llX\n", xltr.LTR_r0, xltr.LTR_r1, xltr.LTR_r2);
- db_printf(" R3/R4/R5 %016llX %016llX %016llX\n", xltr.LTR_r3, xltr.LTR_r4, xltr.LTR_r5);
- db_printf(" R6/sv/rsv %016llX %016llX %08X\n", xltr.LTR_r6, xltr.LTR_save, xltr.LTR_rsvd0);
-
- if((cnt != 16) && (xxltr == xTraceCurr)) break; /* If whole table dump, exit when we hit start again... */
-
- xxltr-=sizeof(LowTraceRecord); /* Back it on up */
- if(xxltr<xTraceStart)
- xxltr=(xTraceEnd-sizeof(LowTraceRecord)); /* Wrap low back to high */
-
- }
- db_next = (db_expr_t)(xxltr);
-}
-
-
-/*
- * Print out 256 bytes
- *
- *
- * dl [entaddr]
- */
-void
-db_display_long(db_expr_t addr, __unused boolean_t have_addr,
- db_expr_t count, char * modif)
-{
- int i;
-
- for(i=0; i<8; i++) { /* Print 256 bytes */
- db_printf("%016llX %08X %08X %08X %08X %08X %08X %08X %08X\n", addr, /* Print a line */
- ((unsigned long *)addr)[0], ((unsigned long *)addr)[1], ((unsigned long *)addr)[2], ((unsigned long *)addr)[3],
- ((unsigned long *)addr)[4], ((unsigned long *)addr)[5], ((unsigned long *)addr)[6], ((unsigned long *)addr)[7]);
- addr=(db_expr_t)(addr+0x00000020); /* Point to next address */
- }
- db_next = addr;
-
-
-}
-
-unsigned char xtran[256] = {
-/* x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* 0x */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* 1x */
- ' ', '!', '"', '#', '$', '%', '&',0x27, '(', ')', '*', '+', ',', '-', '.', '/', /* 2x */
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', /* 3x */
- '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', /* 4x */
- 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[',0x5C, ']', '^', '_', /* 5x */
- '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', /* 6x */
- 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~', '.', /* 7x */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* 8x */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* 9x */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Ax */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Bx */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Cx */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Dx */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Ex */
- '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Fx */
-};
-
-/*
- * Print out 256 bytes in characters
- *
- *
- * dc [entaddr]
- */
-void
-db_display_char(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char * modif)
-{
-
- int i, j, k;
- unsigned char xlt[256], *xaddr;
-
- xaddr = (unsigned char *)addr;
-
-
- for(i = 0; i < 8; i++) { /* Print 256 bytes */
- j = 0;
- for(k = 0; k < 32; k++) {
- xlt[j] = xtran[*xaddr];
- xaddr++;
- j++;
- if((k & 3) == 3) {
- xlt[j] = ' ';
- j++;
- }
- }
- xlt[j] = 0;
-
- db_printf("%016llX %s\n", (addr64_t)(xaddr - 32), xlt); /* Print a line */
- }
-
- db_next = (db_expr_t)xaddr;
-
-
-}
-
-/*
- * Print out 256 bytes of real storage
- *
- * Displays the entry and 15 before it in newest to oldest order
- *
- * dr [entaddr]
- */
-void
-db_display_real(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
- int i;
- unsigned int xbuf[8];
-
- for(i=0; i<8; i++) { /* Print 256 bytes */
- ReadReal(addr, &xbuf[0]); /* Get the real storage data */
- db_printf("%016llX %08X %08X %08X %08X %08X %08X %08X %08X\n", addr, /* Print a line */
- xbuf[0], xbuf[1], xbuf[2], xbuf[3],
- xbuf[4], xbuf[5], xbuf[6], xbuf[7]);
- addr = addr + 0x00000020; /* Point to next address */
- }
- db_next = addr;
-}
-
-unsigned int dvspace = 0;
-
-/*
- * Print out virtual to real translation information
- *
- *
- * dm vaddr [space] (defaults to last entered)
- */
-void
-db_display_mappings(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
- db_expr_t xspace;
- pmap_t pmap;
- addr64_t lnextva;
-
- mapping_t *mp;
-
- if (db_expression(&xspace)) { /* Get the address space requested */
- if(xspace >= maxAdrSp) {
- db_printf("requested address space (%llX) larger than max (%X)\n", xspace, maxAdrSp - 1);
- return;
- }
- dvspace = xspace; /* Get the space or set default */
- }
-
- db_printf("mapping information for %016llX in space %8X:\n", addr, dvspace);
-
- pmap = pmapTrans[dvspace].pmapVAddr; /* Find the pmap address */
- if(!pmap) { /* The pmap is not in use */
- db_printf("The space %X is not assigned to a pmap\n", dvspace); /* Say we are wrong */
- return;
- }
-
- mp = hw_find_map(pmap, (addr64_t)addr, &lnextva); /* Try to find the mapping for this address */
- if((unsigned int)mp == mapRtBadLk) { /* Did we lock up ok? */
- db_printf("Timeout locking physical entry for virtual address %016ll8X\n", addr);
- return;
- }
-
- if(!mp) { /* Did we find one? */
- db_printf("Not mapped\n");
- return; /* Didn't find any, return FALSE... */
- }
-
- mapping_drop_busy(mp); /* The mapping shouldn't be changing */
-
- db_dumpmapping(mp); /* Dump it all out */
-
- /* Tell them we did it */
-}
-
-/*
- * Print out hash table data
- *
- *
- * dh vaddr [space] (defaults to last entered)
- */
-void
-db_display_hash(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
- db_expr_t xspace;
- unsigned int seg, vsid, ptegindex, htsize;
- pmap_t pmap;
- addr64_t lnextva, llva, vpn, esid;
- uint64_t hash;
- int s4bit;
-
- llva = (addr64_t)((unsigned int)addr); /* Make sure we are 64-bit now */
-
- s4bit = !((PerProcTable[0].ppe_vaddr->pf.Available & pf64Bit) == 0); /* Are we a big guy? */
- if (db_expression(&xspace)) { /* Get the address space requested */
- if(xspace >= maxAdrSp) {
- db_printf("requested address space (%llX) larger than max (%X)\n", xspace, maxAdrSp - 1);
- return;
- }
- dvspace = xspace; /* Get the space or set default */
- }
-
- pmap = pmapTrans[dvspace].pmapVAddr; /* Find the pmap address */
- if(!pmap) { /* The pmap is not in use */
- db_printf("The space %X is not assigned to a pmap\n", dvspace); /* Say we are wrong */
- return;
- }
-
- hash = (uint64_t)pmap->space | ((uint64_t)pmap->space << maxAdrSpb) | ((uint64_t)pmap->space << (2 * maxAdrSpb)); /* Get hash value */
- hash = hash & 0x0000001FFFFFFFFF; /* Make sure we stay within supported ranges */
-
- esid = ((llva >> 14) & -maxAdrSp) ^ hash; /* Get ESID */
- llva = ((llva >> 12) & 0xFFFF) ^ esid; /* Get index into hash table */
-
- if(s4bit) htsize = hash_table_size >> 7; /* Get number of entries in hash table for 64-bit */
- else htsize = hash_table_size >> 6; /* get number of entries in hash table for 32-bit */
-
- ptegindex = llva & (htsize - 1); /* Get the index to the pteg and pca */
- db_dumppca(ptegindex); /* dump the info */
-
- /* Tell them we did it */
-}
-
-/*
- * Displays all of the in-use pmaps in the system.
- *
- * dp
- */
-void
-db_display_pmap(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
- pmap_t pmap;
- int i;
- unsigned int v0, v1, st0, st1;
-
- pmap = (pmap_t)addr;
- if(!have_addr) pmap = kernel_pmap; /* Start at the beginning */
-
- db_printf("PMAP (real) Next Prev Space Flags Ref spaceNum Resident Wired\n");
-// xxxxxxxx rrrrrrrrrrrrrrrr xxxxxxxx pppppppp ssssssss cccccccc vvvvvvvv nnnnnnnn rrrrrrrr wwwwwwwww
- while(1) { /* Do them all */
- db_printf("%08X %016llX %08X %08X %08X %08X %08X %08X %08X %08X\n",
- pmap, (addr64_t)pmap ^ pmap->pmapvr,
- pmap->pmap_link.next, pmap->pmap_link.prev,
- pmap->space, pmap->pmapFlags, pmap->ref_count, pmap->spaceNum,
- pmap->stats.resident_count,
- pmap->stats.wired_count);
-
- db_printf("lists = %d, rand = %08X, visits = %016llX, searches = %08X\n",
- pmap->pmapCurLists, pmap->pmapRandNum,
- pmap->pmapSearchVisits, pmap->pmapSearchCnt);
-
- db_printf("cctl = %08X, SCSubTag = %016llX\n",
- pmap->pmapCCtl, pmap->pmapSCSubTag);
-
- for(i = 0; i < 16; i +=2) {
- v0 = (pmap->pmapCCtl >> (31 - i) & 1); /* Get high order bit */
- v1 = (pmap->pmapCCtl >> (30 - i) & 1); /* Get high order bit */
- st0 = (pmap->pmapSCSubTag >> (60 - (4 * i))) & 0xF; /* Get the sub-tag */
- st1 = (pmap->pmapSCSubTag >> (56 - (4 * i))) & 0xF; /* Get the sub-tag */
-
- db_printf(" %01X %01X %016llX/%016llX %01X %01X %016llX/%016llX\n",
- v0, st0, pmap->pmapSegCache[i].sgcESID, pmap->pmapSegCache[i].sgcVSID,
- v1, st1, pmap->pmapSegCache[i+1].sgcESID, pmap->pmapSegCache[i+1].sgcVSID);
- }
-
- db_printf("\n");
- if(have_addr) break; /* Do only one if address supplied */
- pmap = (pmap_t)pmap->pmap_link.next; /* Skip to the next */
- if(pmap == kernel_pmap) break; /* We've wrapped, we're done */
- }
-}
-
-
-/*
- * Checks the pmap skip lists
- *
- *
- * cp pmap
- */
-void
-db_check_pmaps(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
- int i;
- unsigned int ret;
- uint64_t dumpa[32];
- pmap_t pmap;
-
- pmap = (pmap_t)addr;
- if(!have_addr) pmap = kernel_pmap; /* If no map supplied, start with kernel */
-
- while(1) { /* Do them all */
- ret = mapSkipListVerifyC(pmap, &dumpa); /* Check out the map */
- if(!ret) db_printf("Skiplists verified ok, pmap = %08X\n", pmap);
- else {
- db_printf("Verification failure at %08X, pmap = %08X\n", ret, pmap);
- for(i = 0; i < 32; i += 4) {
- db_printf("R%02d %016llX %016llX %016llX %016llX\n", i,
- dumpa[i], dumpa[i + 1], dumpa[i + 2], dumpa[i + 3]);
- }
- }
- if(have_addr) break; /* Do only one if address supplied */
- pmap = (pmap_t)pmap->pmap_link.next; /* Skip to the next */
- if(pmap == kernel_pmap) break; /* We've wrapped, we're done */
- }
-}
-
-
-/*
- * Displays iokit junk
- *
- * di
- */
-
-void db_piokjunk(void);
-
-void
-db_display_iokit(__unused db_expr_t addr, __unused boolean_t have_addr,
- __unused db_expr_t count, __unused char *modif)
-{
- db_piokjunk();
-}
-
-/*
- * Prints out a mapping control block
- *
- */
-
-void db_dumpmapping(struct mapping *mp) { /* Dump out a mapping */
-
- pmap_t pmap;
- int i;
-
- db_printf("Dump of mapping block: %08X, pmap: %08X (%016llX)\n", mp, pmapTrans[mp->mpSpace].pmapVAddr,
- pmapTrans[mp->mpSpace].pmapPAddr); /* Header */
- db_printf(" mpFlags: %08X\n", mp->mpFlags);
- db_printf(" mpSpace: %04X\n", mp->mpSpace);
- db_printf(" mpBSize: %04X\n", mp->u.mpBSize);
- db_printf(" mpPte: %08X\n", mp->mpPte);
- db_printf(" mpPAddr: %08X\n", mp->mpPAddr);
- db_printf(" mpVAddr: %016llX\n", mp->mpVAddr);
- db_printf(" mpAlias: %016llX\n", mp->mpAlias);
- db_printf(" mpList00: %016llX\n", mp->mpList0);
-
- for(i = 1; i < (mp->mpFlags & mpLists); i++) { /* Dump out secondary physical skip lists */
- db_printf(" mpList%02d: %016llX\n", i, mp->mpList[i - 1]);
- }
-}
-
-/*
- * Prints out a PTEG and PCA
- *
- */
-
-void db_dumppca(unsigned int ptegindex) {
-
- addr64_t pteg, pca, llva;
- unsigned int xpteg[32], xpca[8], space, hash, pva, seg, api, va;
- int i, s4bit;
- unsigned long long llslot, llseg, llhash;
-
- s4bit = !((PerProcTable[0].ppe_vaddr->pf.Available & pf64Bit) == 0); /* Are we a big guy? */
-
- pteg = hash_table_base + (ptegindex << 6); /* Point to the PTEG */
- if(s4bit) pteg = hash_table_base + (ptegindex << 7); /* Point to the PTEG */
- pca = hash_table_base - ((ptegindex + 1) * 4); /* Point to the PCA */
- db_printf("PTEG = %016llX, PCA = %016llX (index = %08X)\n", pteg, pca, ptegindex);
-
- ReadReal(pteg, &xpteg[0]); /* Get first half of the pteg */
- ReadReal(pteg + 0x20, &xpteg[8]); /* Get second half of the pteg */
- ReadReal(pca, &xpca[0]); /* Get pca */
-
- db_printf("PCA: free = %02X, steal = %02X, auto = %02X, misc = %02X\n",
- ((xpca[0] >> 24) & 255), ((xpca[0] >> 16) & 255), ((xpca[0] >> 8) & 255), xpca[0] & 255);
-
- if(!s4bit) { /* Little guy? */
-
- for(i = 0; i < 16; i += 2) { /* Step through pteg */
- db_printf("%08X %08X - ", xpteg[i], xpteg[i + 1]); /* Dump the pteg slot */
-
- if(xpteg[i] & 0x80000000) db_printf(" valid - "); /* Is it valid? */
- else db_printf("invalid - "); /* Nope, invalid */
-
- space = (xpteg[i] >> 7) & (maxAdrSp - 1); /* Extract the space */
- hash = space | (space << maxAdrSpb) | (space << (2 * maxAdrSpb)); /* Get the hash */
- pva = ptegindex ^ hash; /* Get part of the vaddr */
- seg = (xpteg[i] >> 7) ^ hash; /* Get the segment number */
- api = (xpteg[i] & 0x3F); /* Get the API */
- va = ((seg << (28 - maxAdrSpb)) & 0xF0000000) | (api << 22) | ((pva << 12) & 0x003FF000); /* Get the vaddr */
- db_printf("va = %08X\n", va);
- }
- }
- else {
- ReadReal(pteg + 0x40, &xpteg[16]); /* Get third half of the pteg */
- ReadReal(pteg + 0x60, &xpteg[24]); /* Get fourth half of the pteg */
-
- for(i = 0; i < 32; i += 4) { /* Step through pteg */
- db_printf("%08X%08X %08X%08X - ", xpteg[i], xpteg[i + 1], xpteg[i + 2], xpteg[i + 3]); /* Dump the pteg slot */
-
- if(xpteg[i + 1] & 1) db_printf(" valid - "); /* Is it valid? */
- else db_printf("invalid - "); /* Nope, invalid */
-
- llslot = ((long long)xpteg[i] << 32) | (long long)xpteg[i + 1]; /* Make a long long version of this */
- space = (llslot >> 12) & (maxAdrSp - 1); /* Extract the space */
- llhash = (unsigned long long)space | ((unsigned long long)space << maxAdrSpb) | ((unsigned long long)space << (2 * maxAdrSpb)); /* Get the hash */
- llhash = llhash & 0x0000001FFFFFFFFFULL; /* Make sure we stay within supported ranges */
- pva = (unsigned long long)ptegindex ^ llhash; /* Get part of the vaddr */
- llseg = (llslot >> 12) ^ llhash; /* Get the segment number */
- api = (llslot >> 7) & 0x1F; /* Get the API */
- llva = ((llseg << (28 - maxAdrSpb)) & 0xFFFFFFFFF0000000ULL) | (api << 23) | ((pva << 12) & 0x007FF000); /* Get the vaddr */
- db_printf("va = %016llX\n", llva);
- }
- }
-}
-
-
-/*
- * Print out 256 bytes of virtual storage
- *
- *
- * dv [entaddr] [space]
- * address must be on 32-byte boundary. It will be rounded down if not
- */
-void
-db_display_virtual(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
-
- int i, size, lines, rlines;
- unsigned int xbuf[8];
- db_expr_t xspace;
- pmap_t pmap;
-
- mapping_t *mp, *mpv;
- addr64_t pa;
- ppnum_t pnum;
-
- if (db_expression(&xspace)) { /* Parse the space ID */
- if(xspace >= (1 << maxAdrSpb)) { /* Check if they gave us a sane space number */
- db_printf("Invalid space ID: %llX - max is %X\n", xspace, (1 << maxAdrSpb) - 1);
- return;
- }
- dvspace = xspace; /* Get the space or set default */
- }
-
- pmap = (pmap_t)pmapTrans[dvspace].pmapVAddr; /* Find the pmap address */
- if((unsigned int)pmap == 0) { /* Is there actually a pmap here? */
- db_printf("Address space not found: %X\n", dvspace); /* Complain */
- return;
- }
-
- addr &= -32;
-
- size = 4096 - (addr & 0x00000FFF); /* Bytes left on page */
- lines = size / 32; /* Number of lines in first or only part */
- if(lines > 8) lines = 8;
- rlines = 8 - lines;
- if(rlines < 0) lines = 0;
-
- db_printf("Dumping %016llX (pmap = %08X, space = %X); ", addr, pmap, dvspace);
-
- pnum = pmap_find_phys(pmap, (addr64_t)addr); /* Phynd the Physical */
- if(!pnum) { /* Did we find one? */
- db_printf("Not mapped\n");
- return; /* Didn't find any, return FALSE... */
- }
-
- pa = (addr64_t)(pnum << 12) | (addr64_t)(addr & 0xFFF); /* Get the physical address */
- db_printf("phys = %016llX\n", pa);
-
- for(i=0; i<lines; i++) { /* Print n bytes */
- ReadReal(pa, &xbuf[0]); /* Get the real storage data */
- db_printf("%016llX %08X %08X %08X %08X %08X %08X %08X %08X\n", addr, /* Print a line */
- xbuf[0], xbuf[1], xbuf[2], xbuf[3],
- xbuf[4], xbuf[5], xbuf[6], xbuf[7]);
- addr = (db_expr_t)(addr + 0x00000020); /* Point to next address */
- pa = pa + 0x00000020; /* Point to next address */
- }
- db_next = addr;
-
- if(!rlines) return;
-
- db_printf("Dumping %016llX (pmap = %08X, space = %X); ", addr, pmap, dvspace);
-
- pnum = pmap_find_phys(pmap, (addr64_t)((unsigned int)addr)); /* Phynd the Physical */
- if(!pnum) { /* Did we find one? */
- db_printf("Not mapped\n");
- return; /* Didn't find any, return FALSE... */
- }
-
- pa = (addr64_t)(pnum << 12) | (addr64_t)((unsigned int)addr & 0xFFF); /* Get the physical address */
- db_printf("phys = %016llX\n", pa);
-
- for(i=0; i<rlines; i++) { /* Print n bytes */
- ReadReal(pa, &xbuf[0]); /* Get the real storage data */
- db_printf("%016llX %08X %08X %08X %08X %08X %08X %08X %08X\n", addr, /* Print a line */
- xbuf[0], xbuf[1], xbuf[2], xbuf[3],
- xbuf[4], xbuf[5], xbuf[6], xbuf[7]);
- addr = (db_expr_t)(addr + 0x00000020); /* Point to next address */
- pa = pa + 0x00000020; /* Point to next address */
- }
- db_next = addr;
-
-
-}
-
-
-/*
- * Print out savearea stuff
- *
- *
- * ds
- */
-
-#define chainmax 32
-
-void
-db_display_save(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
- int i, j, totsaves, tottasks, taskact, chainsize, vmid, didvmhead;
- task_t task;
- thread_act_t act;
- struct savearea *save;
- vmmCntrlTable *CTable;
-
- tottasks = 0;
- totsaves = 0;
-
- for(task = (task_t)tasks.next; task != (task_t)&tasks.next; task = (task_t)task->tasks.next) { /* Go through the tasks */
- taskact = 0; /* Reset activation count */
- db_printf("\nTask %4d @%08X:\n", tottasks, task); /* Show where we're at */
- for(act = (thread_act_t)task->threads.next; act != (thread_act_t)&task->threads; act = (thread_act_t)act->task_threads.next) { /* Go through activations */
- db_printf(" Act %4d @%08X - p: %08X current context: %08X\n",
- taskact, act, act->machine.pcb, act->machine.curctx);
-
- save = (struct savearea *)act->machine.pcb; /* Set the start of the normal chain */
- chainsize = 0;
-
- db_printf(" General context - fp: %08X fl: %08X fc: %d vp: %08X vl: %08X vp: %d\n",
- act->machine.facctx.FPUsave, act->machine.facctx.FPUlevel, act->machine.facctx.FPUcpu,
- act->machine.facctx.VMXsave, act->machine.facctx.VMXlevel, act->machine.facctx.VMXcpu);
-
- while(save) { /* Do them all */
- totsaves++; /* Count savearea */
- db_printf(" Norm %08X: %016llX %016llX - tot = %d\n", save, save->save_srr0, save->save_srr1, totsaves);
- save = (struct savearea *)save->save_hdr.save_prev; /* Next one */
- if(chainsize++ > chainmax) { /* See if we might be in a loop */
- db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
- break;
- }
- }
-
- save = (struct savearea *)act->machine.facctx.FPUsave; /* Set the start of the floating point chain */
- chainsize = 0;
- while(save) { /* Do them all */
- totsaves++; /* Count savearea */
- db_printf(" FPU %08X: %08X - tot = %d\n", save, save->save_hdr.save_level, totsaves);
- save = (struct savearea *)save->save_hdr.save_prev; /* Next one */
- if(chainsize++ > chainmax) { /* See if we might be in a loop */
- db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
- break;
- }
- }
-
- save = (struct savearea *)act->machine.facctx.VMXsave; /* Set the start of the floating point chain */
- chainsize = 0;
- while(save) { /* Do them all */
- totsaves++; /* Count savearea */
- db_printf(" Vec %08X: %08X - tot = %d\n", save, save->save_hdr.save_level, totsaves);
- save = (struct savearea *)save->save_hdr.save_prev; /* Next one */
- if(chainsize++ > chainmax) { /* See if we might be in a loop */
- db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
- break;
- }
- }
-
- if(CTable = act->machine.vmmControl) { /* Are there virtual machines? */
-
- for(vmid = 0; vmid < kVmmMaxContexts; vmid++) {
-
- if(!(CTable->vmmc[vmid].vmmFlags & vmmInUse)) continue; /* Skip if vm is not in use */
-
- if(!CTable->vmmc[vmid].vmmFacCtx.FPUsave && !CTable->vmmc[vmid].vmmFacCtx.VMXsave) continue; /* If neither types, skip this vm */
-
- db_printf(" VMachine ID %3d - fp: %08X fl: %08X fc: %d vp: %08X vl: %08X vp: %d\n", vmid, /* Title it */
- CTable->vmmc[vmid].vmmFacCtx.FPUsave, CTable->vmmc[vmid].vmmFacCtx.FPUlevel, CTable->vmmc[vmid].vmmFacCtx.FPUcpu,
- CTable->vmmc[vmid].vmmFacCtx.VMXsave, CTable->vmmc[vmid].vmmFacCtx.VMXlevel, CTable->vmmc[vmid].vmmFacCtx.VMXcpu
- );
-
- save = (struct savearea *)CTable->vmmc[vmid].vmmFacCtx.FPUsave; /* Set the start of the floating point chain */
- chainsize = 0;
- while(save) { /* Do them all */
- totsaves++; /* Count savearea */
- db_printf(" FPU %08X: %08X - tot = %d\n", save, save->save_hdr.save_level, totsaves);
- save = (struct savearea *)save->save_hdr.save_prev; /* Next one */
- if(chainsize++ > chainmax) { /* See if we might be in a loop */
- db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
- break;
- }
- }
-
- save = (struct savearea *)CTable->vmmc[vmid].vmmFacCtx.VMXsave; /* Set the start of the floating point chain */
- chainsize = 0;
- while(save) { /* Do them all */
- totsaves++; /* Count savearea */
- db_printf(" Vec %08X: %08X - tot = %d\n", save, save->save_hdr.save_level, totsaves);
- save = (struct savearea *)save->save_hdr.save_prev; /* Next one */
- if(chainsize++ > chainmax) { /* See if we might be in a loop */
- db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
- break;
- }
- }
- }
- }
- taskact++;
- }
- tottasks++;
- }
-
- db_printf("Total saveareas accounted for: %d\n", totsaves);
-}
-
-/*
- * Print out extra registers
- *
- *
- * dx
- */
-
-extern unsigned int dbfloats[33][2];
-extern unsigned int dbvecs[33][4];
-extern unsigned int dbspecrs[336];
-
-void
-db_display_xregs(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
- int i, j, pents;
-
- stSpecrs(dbspecrs); /* Save special registers */
- if(PerProcTable[0].ppe_vaddr->pf.Available & pf64Bit) {
- db_printf("PIR: %08X\n", dbspecrs[0]);
- db_printf("PVR: %08X\n", dbspecrs[1]);
- db_printf("SDR1: %08X.%08X\n", dbspecrs[26], dbspecrs[27]);
- db_printf("HID0: %08X.%08X\n", dbspecrs[28], dbspecrs[29]);
- db_printf("HID1: %08X.%08X\n", dbspecrs[30], dbspecrs[31]);
- db_printf("HID4: %08X.%08X\n", dbspecrs[32], dbspecrs[33]);
- db_printf("HID5: %08X.%08X\n", dbspecrs[34], dbspecrs[35]);
- db_printf("SPRG0: %08X.%08X %08X.%08X\n", dbspecrs[18], dbspecrs[19], dbspecrs[20], dbspecrs[21]);
- db_printf("SPRG2: %08X.%08X %08X.%08X\n", dbspecrs[22], dbspecrs[23], dbspecrs[24], dbspecrs[25]);
- db_printf("\n");
- for(i = 0; i < (64 * 4); i += 4) {
- db_printf("SLB %02d: %08X.%08X %08X.%08X\n", i / 4, dbspecrs[80 + i], dbspecrs[81 + i], dbspecrs[82 + i], dbspecrs[83 + i]);
- }
- }
- else {
- db_printf("PIR: %08X\n", dbspecrs[0]);
- db_printf("PVR: %08X\n", dbspecrs[1]);
- db_printf("SDR1: %08X\n", dbspecrs[22]);
- db_printf("HID0: %08X\n", dbspecrs[39]);
- db_printf("HID1: %08X\n", dbspecrs[40]);
- db_printf("L2CR: %08X\n", dbspecrs[41]);
- db_printf("MSSCR0: %08X\n", dbspecrs[42]);
- db_printf("MSSCR1: %08X\n", dbspecrs[43]);
- db_printf("THRM1: %08X\n", dbspecrs[44]);
- db_printf("THRM2: %08X\n", dbspecrs[45]);
- db_printf("THRM3: %08X\n", dbspecrs[46]);
- db_printf("ICTC: %08X\n", dbspecrs[47]);
- db_printf("L2CR2: %08X\n", dbspecrs[48]);
- db_printf("DABR: %08X\n", dbspecrs[49]);
-
- db_printf("DBAT: %08X %08X %08X %08X\n", dbspecrs[2], dbspecrs[3], dbspecrs[4], dbspecrs[5]);
- db_printf(" %08X %08X %08X %08X\n", dbspecrs[6], dbspecrs[7], dbspecrs[8], dbspecrs[9]);
- db_printf("IBAT: %08X %08X %08X %08X\n", dbspecrs[10], dbspecrs[11], dbspecrs[12], dbspecrs[13]);
- db_printf(" %08X %08X %08X %08X\n", dbspecrs[14], dbspecrs[15], dbspecrs[16], dbspecrs[17]);
- db_printf("SPRG: %08X %08X %08X %08X\n", dbspecrs[18], dbspecrs[19], dbspecrs[20], dbspecrs[21]);
- db_printf("\n");
- for(i = 0; i < 16; i += 8) { /* Print 8 at a time */
- db_printf("SR%02d: %08X %08X %08X %08X %08X %08X %08X %08X\n", i,
- dbspecrs[23+i], dbspecrs[24+i], dbspecrs[25+i], dbspecrs[26+i],
- dbspecrs[27+i], dbspecrs[28+i], dbspecrs[29+i], dbspecrs[30+i]);
- }
- }
-
- db_printf("\n");
-
- stFloat(dbfloats); /* Save floating point registers */
- for(i = 0; i < 32; i += 4) { /* Print 4 at a time */
- db_printf("F%02d: %08X %08X %08X %08X %08X %08X %08X %08X\n", i,
- dbfloats[i][0], dbfloats[i][1], dbfloats[i+1][0], dbfloats[i+1][1],
- dbfloats[i+2][0], dbfloats[i+2][1], dbfloats[i+3][0], dbfloats[i+3][1]);
- }
- db_printf("FCR: %08X %08X\n", dbfloats[32][0], dbfloats[32][1]); /* Print FSCR */
-
- if(!stVectors(dbvecs)) return; /* Return if not Altivec capable */
-
- db_printf("\n");
-
- for(i = 0; i < 32; i += 2) { /* Print 2 at a time */
- db_printf("V%02d: %08X %08X %08X %08X %08X %08X %08X %08X\n", i,
- dbvecs[i][0], dbvecs[i][1], dbvecs[i][2], dbvecs[i][3],
- dbvecs[i+1][0], dbvecs[i+1][1], dbvecs[i+1][2], dbvecs[i+1][3]);
- }
- db_printf("VCR: %08X %08X %08X %08X\n", dbvecs[32][0], dbvecs[32][1], dbvecs[32][2], dbvecs[32][3]); /* Print VSCR */
-
- /* Tell them we did it */
-}
-
-/*
- * Check check mappings and hash table for consistency
- *
- * cm
- */
-void
-db_check_mappings(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
- addr64_t pteg, pca, llva, lnextva;
- unsigned int xpteg[32], xpca[8], space, hash, pva, seg, api, va, free, free2, xauto, PTEGcnt, wimgkk, wimgxx, slotoff;
- int i, j, fnderr, slot, slot2, k, s4bit;
- pmap_t pmap;
- mapping_t *mp;
- ppnum_t ppn, pa, aoff;
- unsigned long long llslot, llseg, llhash;
-
- s4bit = 0; /* Assume dinky? */
- if(PerProcTable[0].ppe_vaddr->pf.Available & pf64Bit) s4bit = 1; /* Are we a big guy? */
-
- PTEGcnt = hash_table_size / 64; /* Get the number of PTEGS */
- if(s4bit) PTEGcnt = PTEGcnt / 2; /* PTEGs are twice as big */
-
- pteg = hash_table_base; /* Start of hash table */
- pca = hash_table_base - 4; /* Start of PCA */
-
- for(i = 0; i < PTEGcnt; i++) { /* Step through them all */
-
- fnderr = 0;
-
- ReadReal(pteg, &xpteg[0]); /* Get first half of the pteg */
- ReadReal(pteg + 0x20, &xpteg[8]); /* Get second half of the pteg */
- if(s4bit) { /* See if we need the other half */
- ReadReal(pteg + 0x40, &xpteg[16]); /* Get third half of the pteg */
- ReadReal(pteg + 0x60, &xpteg[24]); /* Get fourth half of the pteg */
- }
- ReadReal(pca, &xpca[0]); /* Get pca */
-
- if(xpca[0] & 0x00000001) { /* Is PCA locked? */
- db_printf("Unexpected locked PCA\n"); /* Yeah, this may be bad */
- fnderr = 1; /* Remember to print the pca/pteg pair later */
- }
-
- free = 0x80000000;
-
- for(j = 0; j < 7; j++) { /* Search for duplicates */
- slot = j * 2; /* Point to the slot */
- if(s4bit) slot = slot * 2; /* Adjust for bigger slots */
- if(!(xpca[0] & free)) { /* Check more if slot is allocated */
- for(k = j + 1; k < 8; k++) { /* Search remaining slots */
- slot2 = k * 2; /* Point to the slot */
- if(s4bit) slot2 = slot2 * 2; /* Adjust for bigger slots */
- if((xpteg[slot] == xpteg[slot2])
- && (!s4bit || (xpteg[slot + 1] == xpteg[slot2 + 1]))) { /* Do we have duplicates? */
- db_printf("Duplicate tags in pteg, slot %d and slot %d\n", j, k);
- fnderr = 1;
- }
- }
- }
- free = free >> 1; /* Move slot over */
- }
-
- free = 0x80000000;
- xauto = 0x00008000;
-
- for(j = 0; j < 8; j++) { /* Step through the slots */
-
- slot = j * 2; /* Point to the slot */
- if(s4bit) slot = slot * 2; /* Hagfish? */
- if(xpca[0] & free) { /* Check if marked free */
- if((!s4bit && (xpteg[slot] & 0x80000000)) /* Is a supposedly free slot valid? */
- || (s4bit && (xpteg[slot + 1] & 1))) {
- db_printf("Free slot still valid - %d\n", j);
- fnderr = 1;
- }
- }
- else { /* We have an in use slot here */
-
- if(!(!s4bit && (xpteg[slot] & 0x80000000)) /* Is a supposedly in use slot valid? */
- && !(s4bit && (xpteg[slot + 1] & 1))) {
- db_printf("Inuse slot not valid - %d\n", j);
- fnderr = 1;
- }
- else { /* Slot is valid, check mapping */
- if(!s4bit) { /* Not Hagfish? */
- space = (xpteg[slot] >> 7) & (maxAdrSp - 1); /* Extract the space */
- hash = space | (space << maxAdrSpb) | (space << (2 * maxAdrSpb)); /* Get the hash */
- pva = i ^ hash; /* Get part of the vaddr */
- seg = (xpteg[slot] >> 7) ^ hash; /* Get the segment number */
- api = (xpteg[slot] & 0x3F); /* Get the API */
- va = ((seg << (28 - maxAdrSpb)) & 0xF0000000) | (api << 22) | ((pva << 12) & 0x003FF000); /* Get the vaddr */
- llva = (addr64_t)va; /* Make this a long long */
- wimgxx = xpteg[slot + 1] & 0x7F; /* Get the wimg and pp */
- ppn = xpteg[slot + 1] >> 12; /* Get physical page number */
- slotoff = (i * 64) + (j * 8) | 1; /* Get offset to slot and valid bit */
- }
- else { /* Yes, Hagfish */
- llslot = ((long long)xpteg[slot] << 32) | (long long)xpteg[slot + 1]; /* Make a long long version of this */
- space = (llslot >> 12) & (maxAdrSp - 1); /* Extract the space */
- llhash = (unsigned long long)space | ((unsigned long long)space << maxAdrSpb) | ((unsigned long long)space << (2 * maxAdrSpb)); /* Get the hash */
- llhash = llhash & 0x0000001FFFFFFFFFULL; /* Make sure we stay within supported ranges */
- pva = i ^ llhash; /* Get part of the vaddr */
- llseg = ((llslot >> 12) ^ llhash); /* Get the segment number */
- api = (llslot >> 7) & 0x1F; /* Get the API */
- llva = ((llseg << (28 - maxAdrSpb)) & 0xFFFFFFFFF0000000ULL) | (api << 23) | ((pva << 12) & 0x007FF000); /* Get the vaddr */
- wimgxx = xpteg[slot + 3] & 0x7F; /* Get the wimg and pp */
- ppn = (xpteg[slot + 2] << 20) | (xpteg[slot + 3] >> 12); /* Get physical page number */
- slotoff = (i * 128) + (j * 16) | 1; /* Get offset to slot and valid bit */
- }
-
- pmap = pmapTrans[space].pmapVAddr; /* Find the pmap address */
- if(!pmap) { /* The pmap is not in use */
- db_printf("The space %08X is not assigned to a pmap, slot = %d\n", space, slot); /* Say we are wrong */
- fnderr = 1;
- goto dcmout;
- }
-
- if (pmap->pmapFlags & pmapVMgsaa) {
- unsigned int ret;
- mapping_t mpcopy;
- ret = hw_find_map_gv(pmap, llva, &mpcopy);
- } else {
- mp = hw_find_map(pmap, llva, &lnextva); /* Try to find the mapping for this address */
- // db_printf("%08X - %017llX\n", mp, llva);
- if((unsigned int)mp == mapRtBadLk) { /* Did we lock up ok? */
- db_printf("Timeout locking mapping for for virtual address %016ll8X, slot = %d\n", llva, j);
- return;
- }
-
- if(!mp) { /* Did we find one? */
- db_printf("Not mapped, slot = %d, va = %08X\n", j, (unsigned int)llva);
- fnderr = 1;
- goto dcmout;
- }
-
- if((mp->mpFlags & 0xFF000000) > 0x01000000) { /* Is busy count too high? */
- db_printf("Busy count too high, slot = %d\n", j);
- fnderr = 1;
- }
-
- if((mp->mpFlags & mpType) == mpBlock) { /* Is this a block map? */
- if(!(xpca[0] & xauto)) { /* Is it marked as such? */
- db_printf("mapping marked as block, PCA is not, slot = %d\n", j);
- fnderr = 1;
- }
- }
- else { /* Is a block */
- if(xpca[0] & xauto) { /* Is it marked as such? */
- db_printf("mapping not marked as block, PCA is, slot = %d\n", j);
- fnderr = 1;
- }
- if(mp->mpPte != slotoff) { /* See if mapping PTEG offset is us */
- db_printf("mapping does not point to PTE, slot = %d\n", j);
- fnderr = 1;
- }
- }
-
- wimgkk = (unsigned int)mp->mpVAddr; /* Get last half of vaddr where keys, etc are */
- wimgkk = (wimgkk ^ wimgxx) & 0x7F; /* XOR to find differences from PTE */
- if(wimgkk) { /* See if key in PTE is what we want */
- db_printf("key or WIMG does not match, slot = %d\n", j);
- fnderr = 1;
- }
-
- aoff = (ppnum_t)((llva >> 12) - (mp->mpVAddr >> 12)); /* Get the offset from vaddr */
- pa = aoff + mp->mpPAddr; /* Get the physical page number we expect */
- if(pa != ppn) { /* Is physical address expected? */
- db_printf("Physical address does not match, slot = %d\n", j);
- fnderr = 1;
- }
-
- mapping_drop_busy(mp); /* We're done with the mapping */
- }
- }
-
- }
-dcmout:
- free = free >> 1;
- xauto = xauto >> 1;
- }
-
-
- if(fnderr)db_dumppca(i); /* Print if error */
-
- pteg = pteg + 64; /* Go to the next one */
- if(s4bit) pteg = pteg + 64; /* Hagfish? */
- pca = pca - 4; /* Go to the next one */
-
-
- }
-}
-
-/*
- * Displays all of the kmods in the system.
- *
- * dp
- */
-void
-db_display_kmod(db_expr_t addr, boolean_t have_addr, db_expr_t count,
- char *modif)
-{
- kmod_info_t *kmd;
- unsigned int strt, end;
-
- kmd = kmod; /* Start at the start */
-
- db_printf("info addr start - end name ver\n");
-
- while(kmd) { /* Dump 'em all */
- strt = (unsigned int)kmd->address + kmd->hdr_size; /* Get start of kmod text */
- end = (unsigned int)kmd->address + kmd->size; /* Get end of kmod */
- db_printf("%08X %08X %08X - %08X: %s, %s\n", kmd, kmd->address, strt, end,
- kmd->name, kmd->version);
- kmd = kmd->next; /* Step to it */
- }
-}
-
-/*
- * Displays stuff
- *
- * gs
- */
-unsigned char xxgpo[36] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
-
-void
-db_gsnoop(db_expr_t addr, boolean_t have_addr, db_expr_t count, char *modif)
-{
- int i, j;
- unsigned char *gp, gpn[36];
-#define ngpr 34
-
- gp = (unsigned char *)0x8000005C;
-
- for(i = 0; i < ngpr; i++) gpn[i] = gp[i]; /* Copy 'em */
-
- for(i = 0; i < ngpr; i++) {
- db_printf("%02X ", gpn[i]);
- }
- db_printf("\n");
-
- for(i = 0; i < ngpr; i++) {
- if(gpn[i] != xxgpo[i]) db_printf("^^ ");
- else db_printf(" ");
- }
- db_printf("\n");
-
- for(i = 0; i < ngpr; i++) xxgpo[i] = gpn[i]; /* Save 'em */
-}
-
-
-void Dumbo(void);
-void Dumbo(void){
-}