X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/378393581903b274cb7a4d18e0d978071a6b592d..2a1bd2d3eef5c7a7bb14f4bb9fdbca9a96ee4752:/osfmk/kdp/kdp.c diff --git a/osfmk/kdp/kdp.c b/osfmk/kdp/kdp.c index 695b356c6..1a5459468 100644 --- a/osfmk/kdp/kdp.c +++ b/osfmk/kdp/kdp.c @@ -1,86 +1,118 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2012 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. - * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. - * - * @APPLE_LICENSE_HEADER_END@ + * 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@ */ #include +#include +#include #include +#include #include #include +#include #include +#include +#include #include /* bcopy */ -int kdp_vm_read( caddr_t, caddr_t, unsigned int); -int kdp_vm_write( caddr_t, caddr_t, unsigned int); +#include +#include +#include +#include +#include +#include +#include +#include -#define DO_ALIGN 1 /* align all packet data accesses */ +#define DO_ALIGN 1 /* align all packet data accesses */ #define KDP_TEST_HARNESS 0 -#if KDP_TEST_HARNESS -#define dprintf(x) kprintf x +#if KDP_TEST_HARNESS +#define dprintf(x) kprintf x #else #define dprintf(x) #endif -static kdp_dispatch_t - dispatch_table[KDP_HOSTREBOOT - KDP_CONNECT +1] = - { -/* 0 */ kdp_connect, -/* 1 */ kdp_disconnect, -/* 2 */ kdp_hostinfo, -/* 3 */ kdp_version, -/* 4 */ kdp_maxbytes, -/* 5 */ kdp_readmem, -/* 6 */ kdp_writemem, -/* 7 */ kdp_readregs, -/* 8 */ kdp_writeregs, +SECURITY_READ_ONLY_EARLY(static kdp_dispatch_t) +dispatch_table[KDP_INVALID_REQUEST - KDP_CONNECT] = +{ +/* 0 */ kdp_connect, +/* 1 */ kdp_disconnect, +/* 2 */ kdp_hostinfo, +/* 3 */ kdp_version, +/* 4 */ kdp_maxbytes, +/* 5 */ kdp_readmem, +/* 6 */ kdp_writemem, +/* 7 */ kdp_readregs, +/* 8 */ kdp_writeregs, /* 9 */ kdp_unknown, /* A */ kdp_unknown, -/* B */ kdp_suspend, -/* C */ kdp_resumecpus, -/* D */ kdp_unknown, +/* B */ kdp_suspend, +/* C */ kdp_resumecpus, +/* D */ kdp_unknown, /* E */ kdp_unknown, /* F */ kdp_breakpoint_set, /*10 */ kdp_breakpoint_remove, -/*11 */ kdp_regions, +/*11 */ kdp_regions, /*12 */ kdp_reattach, -/*13 */ kdp_reboot - }; - -kdp_glob_t kdp; - +/*13 */ kdp_reboot, +/*14 */ kdp_readmem64, +/*15 */ kdp_writemem64, +/*16 */ kdp_breakpoint64_set, +/*17 */ kdp_breakpoint64_remove, +/*18 */ kdp_kernelversion, +/*19 */ kdp_readphysmem64, +/*1A */ kdp_writephysmem64, +/*1B */ kdp_readioport, +/*1C */ kdp_writeioport, +/*1D */ kdp_readmsr64, +/*1E */ kdp_writemsr64, +/*1F */ kdp_dumpinfo, +}; + +kdp_glob_t kdp; #define MAX_BREAKPOINTS 100 -#define KDP_MAX_BREAKPOINTS 100 - -#define BREAKPOINT_NOT_FOUND 101 -#define BREAKPOINT_ALREADY_SET 102 -#define KDP_VERSION 10 +/* + * Version 11 of the KDP Protocol adds support for 64-bit wide memory + * addresses (read/write and breakpoints) as well as a dedicated + * kernelversion request. Version 12 adds read/writing of physical + * memory with 64-bit wide memory addresses. + */ +#define KDP_VERSION 12 typedef struct{ - unsigned int address; - unsigned int old_instruction; + mach_vm_address_t address; + uint32_t bytesused; + uint8_t oldbytes[MAX_BREAKINSN_BYTES]; } kdp_breakpoint_record_t; static kdp_breakpoint_record_t breakpoint_list[MAX_BREAKPOINTS]; @@ -89,590 +121,1069 @@ static unsigned int breakpoints_initialized = 0; int reattach_wait = 0; int noresume_on_disconnect = 0; +kdp_error_t +kdp_set_breakpoint_internal( + mach_vm_address_t address + ); + +kdp_error_t +kdp_remove_breakpoint_internal( + mach_vm_address_t address + ); + boolean_t kdp_packet( - unsigned char *pkt, - int *len, - unsigned short *reply_port -) -{ - static unsigned aligned_pkt[1538/sizeof(unsigned)+1]; // max ether pkt - kdp_pkt_t *rd = (kdp_pkt_t *)&aligned_pkt; - int plen = *len; - unsigned int req; - boolean_t ret; - + unsigned char *pkt, + int *len, + unsigned short *reply_port + ) +{ + static unsigned aligned_pkt[1538 / sizeof(unsigned) + 1];// max ether pkt + kdp_pkt_t *rd = (kdp_pkt_t *)&aligned_pkt; + size_t plen = *len; + kdp_req_t req; + boolean_t ret; + #if DO_ALIGN - bcopy((char *)pkt, (char *)rd, sizeof(aligned_pkt)); + if (plen > sizeof(aligned_pkt)) { + printf("kdp_packet bad len %lu\n", plen); + return FALSE; + } + bcopy((char *)pkt, (char *)rd, plen); #else - rd = (kdp_pkt_t *)pkt; + rd = (kdp_pkt_t *)pkt; #endif - if (plen < sizeof (rd->hdr) || rd->hdr.len != plen) { - printf("kdp_packet bad len pkt %d hdr %d\n", plen, rd->hdr.len); - - return (FALSE); - } - - if (rd->hdr.is_reply) { - printf("kdp_packet reply recvd req %x seq %x\n", - rd->hdr.request, rd->hdr.seq); - - return (FALSE); - } - - req = rd->hdr.request; - if ((req < KDP_CONNECT) || (req > KDP_HOSTREBOOT)) { - printf("kdp_packet bad request %x len %d seq %x key %x\n", - rd->hdr.request, rd->hdr.len, rd->hdr.seq, rd->hdr.key); + if (plen < sizeof(rd->hdr) || rd->hdr.len != plen) { + printf("kdp_packet bad len pkt %lu hdr %d\n", plen, rd->hdr.len); + + return FALSE; + } + + if (rd->hdr.is_reply) { + printf("kdp_packet reply recvd req %x seq %x\n", + rd->hdr.request, rd->hdr.seq); - return (FALSE); - } - - ret = ((*dispatch_table[req - KDP_CONNECT])(rd, len, reply_port)); + return FALSE; + } + + req = rd->hdr.request; + if (req >= KDP_INVALID_REQUEST) { + printf("kdp_packet bad request %x len %d seq %x key %x\n", + rd->hdr.request, rd->hdr.len, rd->hdr.seq, rd->hdr.key); + + return FALSE; + } + + ret = ((*dispatch_table[req - KDP_CONNECT])(rd, len, reply_port)); #if DO_ALIGN - bcopy((char *)rd, (char *) pkt, *len); + bcopy((char *)rd, (char *) pkt, *len); #endif - return ret; + return ret; } static boolean_t kdp_unknown( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) + kdp_pkt_t *pkt, + __unused int *len, + __unused unsigned short *reply_port + ) { - kdp_pkt_t *rd = (kdp_pkt_t *)pkt; + kdp_pkt_t *rd = (kdp_pkt_t *)pkt; - printf("kdp_unknown request %x len %d seq %x key %x\n", - rd->hdr.request, rd->hdr.len, rd->hdr.seq, rd->hdr.key); + printf("kdp_unknown request %x len %d seq %x key %x\n", + rd->hdr.request, rd->hdr.len, rd->hdr.seq, rd->hdr.key); - return (FALSE); + return FALSE; } static boolean_t kdp_connect( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) -{ - kdp_connect_req_t *rq = &pkt->connect_req; - int plen = *len; - kdp_connect_reply_t *rp = &pkt->connect_reply; - - if (plen < sizeof (*rq)) - return (FALSE); - - dprintf(("kdp_connect seq %x greeting %s\n", rq->hdr.seq, rq->greeting)); - - if (kdp.is_conn) { - if (rq->hdr.seq == kdp.conn_seq) /* duplicate request */ - rp->error = KDPERR_NO_ERROR; - else - rp->error = KDPERR_ALREADY_CONNECTED; - } - else { - kdp.reply_port = rq->req_reply_port; - kdp.exception_port = rq->exc_note_port; - kdp.is_conn = TRUE; - kdp.conn_seq = rq->hdr.seq; - - rp->error = KDPERR_NO_ERROR; - } + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_connect_req_t *rq = &pkt->connect_req; + size_t plen = *len; + kdp_connect_reply_t *rp = &pkt->connect_reply; + uint16_t rport, eport; + uint32_t key; + uint8_t seq; + + if (plen < sizeof(*rq)) { + return FALSE; + } - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - if (current_debugger == KDP_CUR_DB) - active_debugger=1; + dprintf(("kdp_connect seq %x greeting %s\n", rq->hdr.seq, rq->greeting)); + + rport = rq->req_reply_port; + eport = rq->exc_note_port; + key = rq->hdr.key; + seq = rq->hdr.seq; + if (kdp.is_conn) { + if ((seq == kdp.conn_seq) && /* duplicate request */ + (rport == kdp.reply_port) && + (eport == kdp.exception_port) && + (key == kdp.session_key)) { + rp->error = KDPERR_NO_ERROR; + } else { + rp->error = KDPERR_ALREADY_CONNECTED; + } + } else { + kdp.reply_port = rport; + kdp.exception_port = eport; + kdp.is_conn = TRUE; + kdp.conn_seq = seq; + kdp.session_key = key; + + rp->error = KDPERR_NO_ERROR; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + *reply_port = rport; + *len = rp->hdr.len; + + if (current_debugger == KDP_CUR_DB) { + active_debugger = 1; + } - return (TRUE); + return TRUE; } static boolean_t kdp_disconnect( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) -{ - kdp_disconnect_req_t *rq = &pkt->disconnect_req; - int plen = *len; - kdp_disconnect_reply_t *rp = &pkt->disconnect_reply; - - if (plen < sizeof (*rq)) - return (FALSE); - - if (!kdp.is_conn) - return (FALSE); - - dprintf(("kdp_disconnect\n")); - - *reply_port = kdp.reply_port; - - kdp.reply_port = kdp.exception_port = 0; - kdp.is_halted = kdp.is_conn = FALSE; - kdp.exception_seq = kdp.conn_seq = 0; - - if (noresume_on_disconnect == 1) { - reattach_wait = 1; - noresume_on_disconnect = 0; - } + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_disconnect_req_t *rq = &pkt->disconnect_req; + size_t plen = *len; + kdp_disconnect_reply_t *rp = &pkt->disconnect_reply; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + if (!kdp.is_conn) { + return FALSE; + } + + dprintf(("kdp_disconnect\n")); + + *reply_port = kdp.reply_port; + + kdp.reply_port = kdp.exception_port = 0; + kdp.is_halted = kdp.is_conn = FALSE; + kdp.exception_seq = kdp.conn_seq = 0; + kdp.session_key = 0; + + if (debugger_panic_str != NULL) { + reattach_wait = 1; + } + + if (noresume_on_disconnect == 1) { + reattach_wait = 1; + noresume_on_disconnect = 0; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - - *len = rp->hdr.len; - - if (current_debugger == KDP_CUR_DB) - active_debugger=0; + *len = rp->hdr.len; - return (TRUE); + if (current_debugger == KDP_CUR_DB) { + active_debugger = 0; + } + + return TRUE; } static boolean_t kdp_reattach( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) { - kdp_reattach_req_t *rq = &pkt->reattach_req; - kdp_disconnect_reply_t *rp = &pkt->disconnect_reply; + kdp_reattach_req_t *rq = &pkt->reattach_req; - kdp.is_conn = TRUE; - kdp_disconnect(pkt, len, reply_port); - *reply_port = rq->req_reply_port; - reattach_wait = 1; - return (TRUE); + kdp.is_conn = TRUE; + kdp_disconnect(pkt, len, reply_port); + *reply_port = rq->req_reply_port; + reattach_wait = 1; + return TRUE; } static boolean_t kdp_hostinfo( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) { - kdp_hostinfo_req_t *rq = &pkt->hostinfo_req; - int plen = *len; - kdp_hostinfo_reply_t *rp = &pkt->hostinfo_reply; + kdp_hostinfo_req_t *rq = &pkt->hostinfo_req; + size_t plen = *len; + kdp_hostinfo_reply_t *rp = &pkt->hostinfo_reply; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + dprintf(("kdp_hostinfo\n")); - if (plen < sizeof (*rq)) - return (FALSE); + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); + kdp_machine_hostinfo(&rp->hostinfo); - kdp_machine_hostinfo(&rp->hostinfo); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + return TRUE; +} + +static boolean_t +kdp_kernelversion( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_kernelversion_req_t *rq = &pkt->kernelversion_req; + size_t plen = *len; + kdp_kernelversion_reply_t *rp = &pkt->kernelversion_reply; + size_t slen; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + dprintf(("kdp_kernelversion\n")); + slen = strlcpy(rp->version, kdp_kernelversion_string, MAX_KDP_DATA_SIZE); + + rp->hdr.len += slen + 1; /* strlcpy returns the amount copied with NUL */ + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; } static boolean_t kdp_suspend( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) { - kdp_suspend_req_t *rq = &pkt->suspend_req; - int plen = *len; - kdp_suspend_reply_t *rp = &pkt->suspend_reply; + kdp_suspend_req_t *rq = &pkt->suspend_req; + size_t plen = *len; + kdp_suspend_reply_t *rp = &pkt->suspend_reply; + + if (plen < sizeof(*rq)) { + return FALSE; + } - if (plen < sizeof (*rq)) - return (FALSE); + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); + dprintf(("kdp_suspend\n")); - dprintf(("kdp_suspend\n")); + kdp.is_halted = TRUE; - kdp.is_halted = TRUE; - - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; } static boolean_t kdp_resumecpus( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) { - kdp_resumecpus_req_t *rq = &pkt->resumecpus_req; - int plen = *len; - kdp_resumecpus_reply_t *rp = &pkt->resumecpus_reply; + kdp_resumecpus_req_t *rq = &pkt->resumecpus_req; + size_t plen = *len; + kdp_resumecpus_reply_t *rp = &pkt->resumecpus_reply; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); - if (plen < sizeof (*rq)) - return (FALSE); + dprintf(("kdp_resumecpus %x\n", rq->cpu_mask)); - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); + kdp.is_halted = FALSE; - dprintf(("kdp_resumecpus %x\n", rq->cpu_mask)); - - kdp.is_halted = FALSE; - - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; } static boolean_t kdp_writemem( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_writemem_req_t *rq = &pkt->writemem_req; + size_t plen = *len; + kdp_writemem_reply_t *rp = &pkt->writemem_reply; + mach_vm_size_t cnt; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + if (rq->nbytes > MAX_KDP_DATA_SIZE) { + rp->error = KDPERR_BAD_NBYTES; + } else { + dprintf(("kdp_writemem addr %x size %d\n", rq->address, rq->nbytes)); + cnt = kdp_machine_vm_write((caddr_t)rq->data, (mach_vm_address_t)rq->address, rq->nbytes); + rp->error = KDPERR_ACCESS(rq->nbytes, cnt); + dprintf((" cnt %lld error %d\n", cnt, rp->error)); + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + +static boolean_t +kdp_writemem64( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) { - kdp_writemem_req_t *rq = &pkt->writemem_req; - int plen = *len; - kdp_writemem_reply_t *rp = &pkt->writemem_reply; - int cnt; + kdp_writemem64_req_t *rq = &pkt->writemem64_req; + size_t plen = *len; + kdp_writemem64_reply_t *rp = &pkt->writemem64_reply; + mach_vm_size_t cnt; - if (plen < sizeof (*rq)) - return (FALSE); + if (plen < sizeof(*rq)) { + return FALSE; + } - if (rq->nbytes > MAX_KDP_DATA_SIZE) - rp->error = KDPERR_BAD_NBYTES; - else { - dprintf(("kdp_writemem addr %x size %d\n", rq->address, rq->nbytes)); + if (rq->nbytes > MAX_KDP_DATA_SIZE) { + rp->error = KDPERR_BAD_NBYTES; + } else { + dprintf(("kdp_writemem64 addr %llx size %d\n", rq->address, rq->nbytes)); + cnt = kdp_machine_vm_write((caddr_t)rq->data, (mach_vm_address_t)rq->address, (mach_vm_size_t)rq->nbytes); + rp->error = KDPERR_ACCESS(rq->nbytes, cnt); + dprintf((" cnt %lld error %d\n", cnt, rp->error)); + } - cnt = kdp_vm_write((caddr_t)rq->data, (caddr_t)rq->address, rq->nbytes); - rp->error = KDPERR_NO_ERROR; - } + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + return TRUE; +} + +static boolean_t +kdp_writephysmem64( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_writephysmem64_req_t *rq = &pkt->writephysmem64_req; + size_t plen = *len; + kdp_writephysmem64_reply_t *rp = &pkt->writephysmem64_reply; + mach_vm_size_t cnt; + unsigned int size; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + size = rq->nbytes; + if (size > MAX_KDP_DATA_SIZE) { + rp->error = KDPERR_BAD_NBYTES; + } else { + dprintf(("kdp_writephysmem64 addr %llx size %d\n", rq->address, size)); + cnt = kdp_machine_phys_write(rq, rq->data, rq->lcpu); + rp->error = KDPERR_ACCESS(size, cnt); + dprintf((" cnt %lld error %d\n", cnt, rp->error)); + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; } static boolean_t kdp_readmem( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_readmem_req_t *rq = &pkt->readmem_req; + size_t plen = *len; + kdp_readmem_reply_t *rp = &pkt->readmem_reply; + mach_vm_size_t cnt; + unsigned int size; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + size = rq->nbytes; + if (size > MAX_KDP_DATA_SIZE) { + rp->error = KDPERR_BAD_NBYTES; + } else { + dprintf(("kdp_readmem addr %x size %d\n", rq->address, size)); + cnt = kdp_machine_vm_read((mach_vm_address_t)rq->address, (caddr_t)rp->data, rq->nbytes); + rp->error = KDPERR_ACCESS(size, cnt); + dprintf((" cnt %lld error %d\n", cnt, rp->error)); + + rp->hdr.len += cnt; + } + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + +static boolean_t +kdp_readmem64( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) { - kdp_readmem_req_t *rq = &pkt->readmem_req; - int plen = *len; - kdp_readmem_reply_t *rp = &pkt->readmem_reply; - int cnt; + kdp_readmem64_req_t *rq = &pkt->readmem64_req; + size_t plen = *len; + kdp_readmem64_reply_t *rp = &pkt->readmem64_reply; + mach_vm_size_t cnt; + unsigned int size; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + size = rq->nbytes; + if (size > MAX_KDP_DATA_SIZE) { + rp->error = KDPERR_BAD_NBYTES; + } else { + dprintf(("kdp_readmem64 addr %llx size %d\n", rq->address, size)); + cnt = kdp_machine_vm_read((mach_vm_address_t)rq->address, (caddr_t)rp->data, rq->nbytes); + rp->error = KDPERR_ACCESS(size, cnt); + dprintf((" cnt %lld error %d\n", cnt, rp->error)); + + rp->hdr.len += cnt; + } - if (plen < sizeof (*rq)) - return (FALSE); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); + return TRUE; +} + +static boolean_t +kdp_readphysmem64( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_readphysmem64_req_t *rq = &pkt->readphysmem64_req; + size_t plen = *len; + kdp_readphysmem64_reply_t *rp = &pkt->readphysmem64_reply; + mach_vm_size_t cnt; + unsigned int size; + + if (plen < sizeof(*rq)) { + return FALSE; + } - if (rq->nbytes > MAX_KDP_DATA_SIZE) - rp->error = KDPERR_BAD_NBYTES; - else { - unsigned int n = rq->nbytes; + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); - dprintf(("kdp_readmem addr %x size %d\n", rq->address, rq->nbytes)); + size = rq->nbytes; + if (size > MAX_KDP_DATA_SIZE) { + rp->error = KDPERR_BAD_NBYTES; + } else { + dprintf(("kdp_readphysmem64 addr %llx size %d\n", rq->address, size)); + cnt = kdp_machine_phys_read(rq, rp->data, rq->lcpu); + rp->error = KDPERR_ACCESS(size, cnt); + dprintf((" cnt %lld error %d\n", cnt, rp->error)); - cnt = kdp_vm_read((caddr_t)rq->address, (caddr_t)rp->data, rq->nbytes); - rp->error = KDPERR_NO_ERROR; + rp->hdr.len += cnt; + } - rp->hdr.len += cnt; - } + *reply_port = kdp.reply_port; + *len = rp->hdr.len; - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + return TRUE; } static boolean_t kdp_maxbytes( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) { - kdp_maxbytes_req_t *rq = &pkt->maxbytes_req; - int plen = *len; - kdp_maxbytes_reply_t *rp = &pkt->maxbytes_reply; + kdp_maxbytes_req_t *rq = &pkt->maxbytes_req; + size_t plen = *len; + kdp_maxbytes_reply_t *rp = &pkt->maxbytes_reply; - if (plen < sizeof (*rq)) - return (FALSE); + if (plen < sizeof(*rq)) { + return FALSE; + } - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); - dprintf(("kdp_maxbytes\n")); + dprintf(("kdp_maxbytes\n")); - rp->max_bytes = MAX_KDP_DATA_SIZE; + rp->max_bytes = MAX_KDP_DATA_SIZE; - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; } static boolean_t kdp_version( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) -{ - kdp_version_req_t *rq = &pkt->version_req; - int plen = *len; - kdp_version_reply_t *rp = &pkt->version_reply; - kdp_region_t *r; - - if (plen < sizeof (*rq)) - return (FALSE); - - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - - dprintf(("kdp_version\n")); - - rp->version = KDP_VERSION; -#ifdef __ppc__ - if (!(kdp_flag & KDP_BP_DIS)) - rp->feature = KDP_FEATURE_BP; - else - rp->feature = 0; -#else - rp->feature = 0; -#endif + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_version_req_t *rq = &pkt->version_req; + size_t plen = *len; + kdp_version_reply_t *rp = &pkt->version_reply; + + if (plen < sizeof(*rq)) { + return FALSE; + } - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + dprintf(("kdp_version\n")); + + rp->version = KDP_VERSION; + if (!(kdp_flag & KDP_BP_DIS)) { + rp->feature = KDP_FEATURE_BP; + } else { + rp->feature = 0; + } + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; } static boolean_t kdp_regions( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) { - kdp_regions_req_t *rq = &pkt->regions_req; - int plen = *len; - kdp_regions_reply_t *rp = &pkt->regions_reply; - kdp_region_t *r; + kdp_regions_req_t *rq = &pkt->regions_req; + size_t plen = *len; + kdp_regions_reply_t *rp = &pkt->regions_reply; + kdp_region_t *r; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + dprintf(("kdp_regions\n")); - if (plen < sizeof (*rq)) - return (FALSE); + r = rp->regions; + rp->nregions = 0; - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); + r->address = 0; + r->nbytes = 0xffffffff; - dprintf(("kdp_regions\n")); + r->protection = VM_PROT_ALL; r++; rp->nregions++; - r = rp->regions; - rp->nregions = 0; + rp->hdr.len += rp->nregions * sizeof(kdp_region_t); - (vm_offset_t)r->address = 0; - r->nbytes = 0xffffffff; + *reply_port = kdp.reply_port; + *len = rp->hdr.len; - r->protection = VM_PROT_ALL; r++; rp->nregions++; - - rp->hdr.len += rp->nregions * sizeof (kdp_region_t); - - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + return TRUE; } static boolean_t kdp_writeregs( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) -{ - kdp_writeregs_req_t *rq = &pkt->writeregs_req; - int plen = *len; - int size; - kdp_writeregs_reply_t *rp = &pkt->writeregs_reply; - - if (plen < sizeof (*rq)) - return (FALSE); - - size = rq->hdr.len - sizeof(kdp_hdr_t) - sizeof(unsigned int); - rp->error = kdp_machine_write_regs(rq->cpu, rq->flavor, rq->data, &size); - - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_writeregs_req_t *rq = &pkt->writeregs_req; + size_t plen = *len; + int size; + kdp_writeregs_reply_t *rp = &pkt->writeregs_reply; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + size = rq->hdr.len - (unsigned)sizeof(kdp_hdr_t) - (unsigned)sizeof(unsigned int); + rp->error = kdp_machine_write_regs(rq->cpu, rq->flavor, rq->data, &size); + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; } static boolean_t kdp_readregs( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) -{ - kdp_readregs_req_t *rq = &pkt->readregs_req; - int plen = *len; - kdp_readregs_reply_t *rp = &pkt->readregs_reply; - int size; - - if (plen < sizeof (*rq)) - return (FALSE); - - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - - rp->error = kdp_machine_read_regs(rq->cpu, rq->flavor, rp->data, &size); - rp->hdr.len += size; - - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); -} - -static boolean_t + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_readregs_req_t *rq = &pkt->readregs_req; + size_t plen = *len; + kdp_readregs_reply_t *rp = &pkt->readregs_reply; + int size; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + rp->error = kdp_machine_read_regs(rq->cpu, rq->flavor, rp->data, &size); + rp->hdr.len += size; + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + + +boolean_t kdp_breakpoint_set( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) -{ - kdp_breakpoint_req_t *rq = &pkt->breakpoint_req; - kdp_breakpoint_reply_t *rp = &pkt->breakpoint_reply; - int plen = *len; - int cnt, i; - unsigned int old_instruction = 0; - unsigned int breakinstr = kdp_ml_get_breakinsn(); - - if(breakpoints_initialized == 0) - { - for(i=0;(i < MAX_BREAKPOINTS); breakpoint_list[i].address=0, i++); - breakpoints_initialized++; - } - if (plen < sizeof (*rq)) - return (FALSE); - cnt = kdp_vm_read((caddr_t)rq->address, (caddr_t)(&old_instruction), sizeof(int)); - - if (old_instruction==breakinstr) - { - printf("A trap was already set at that address, not setting new breakpoint\n"); - rp->error = BREAKPOINT_ALREADY_SET; - - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); - } - - for(i=0;(i < MAX_BREAKPOINTS) && (breakpoint_list[i].address != 0); i++); - - if (i == MAX_BREAKPOINTS) - { - rp->error = KDP_MAX_BREAKPOINTS; - - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); - } - breakpoint_list[i].address = rq->address; - breakpoint_list[i].old_instruction = old_instruction; - - cnt = kdp_vm_write((caddr_t)&breakinstr, (caddr_t)rq->address, sizeof(&breakinstr)); - - rp->error = KDPERR_NO_ERROR; - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_breakpoint_req_t *rq = &pkt->breakpoint_req; + kdp_breakpoint_reply_t *rp = &pkt->breakpoint_reply; + size_t plen = *len; + kdp_error_t kerr; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + dprintf(("kdp_breakpoint_set %x\n", rq->address)); + + kerr = kdp_set_breakpoint_internal((mach_vm_address_t)rq->address); + + rp->error = kerr; + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; } -static boolean_t +boolean_t +kdp_breakpoint64_set( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_breakpoint64_req_t *rq = &pkt->breakpoint64_req; + kdp_breakpoint64_reply_t *rp = &pkt->breakpoint64_reply; + size_t plen = *len; + kdp_error_t kerr; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + dprintf(("kdp_breakpoint64_set %llx\n", rq->address)); + + kerr = kdp_set_breakpoint_internal((mach_vm_address_t)rq->address); + + rp->error = kerr; + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + +boolean_t kdp_breakpoint_remove( - kdp_pkt_t *pkt, - int *len, - unsigned short *reply_port -) -{ - kdp_breakpoint_req_t *rq = &pkt->breakpoint_req; - kdp_breakpoint_reply_t *rp = &pkt->breakpoint_reply; - int plen = *len; - int cnt,i; - - if (plen < sizeof (*rq)) - return (FALSE); - - for(i=0;(i < MAX_BREAKPOINTS) && (breakpoint_list[i].address != rq->address); i++); - if (i == MAX_BREAKPOINTS) - { - rp->error = BREAKPOINT_NOT_FOUND; - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); /* Check if it needs to be FALSE in case of error */ - } - - breakpoint_list[i].address = 0; - cnt = kdp_vm_write((caddr_t)&(breakpoint_list[i].old_instruction), (caddr_t)rq->address, sizeof(int)); - rp->error = KDPERR_NO_ERROR; - rp->hdr.is_reply = 1; - rp->hdr.len = sizeof (*rp); - *reply_port = kdp.reply_port; - *len = rp->hdr.len; - - return (TRUE); + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_breakpoint_req_t *rq = &pkt->breakpoint_req; + kdp_breakpoint_reply_t *rp = &pkt->breakpoint_reply; + size_t plen = *len; + kdp_error_t kerr; + if (plen < sizeof(*rq)) { + return FALSE; + } + + dprintf(("kdp_breakpoint_remove %x\n", rq->address)); + + kerr = kdp_remove_breakpoint_internal((mach_vm_address_t)rq->address); + + rp->error = kerr; + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + +boolean_t +kdp_breakpoint64_remove( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_breakpoint64_req_t *rq = &pkt->breakpoint64_req; + kdp_breakpoint64_reply_t *rp = &pkt->breakpoint64_reply; + size_t plen = *len; + kdp_error_t kerr; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + dprintf(("kdp_breakpoint64_remove %llx\n", rq->address)); + + kerr = kdp_remove_breakpoint_internal((mach_vm_address_t)rq->address); + + rp->error = kerr; + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + + +kdp_error_t +kdp_set_breakpoint_internal( + mach_vm_address_t address + ) +{ + uint8_t breakinstr[MAX_BREAKINSN_BYTES], oldinstr[MAX_BREAKINSN_BYTES]; + uint32_t breakinstrsize = sizeof(breakinstr); + mach_vm_size_t cnt; + int i; + + kdp_machine_get_breakinsn(breakinstr, &breakinstrsize); + + if (breakpoints_initialized == 0) { + for (i = 0; (i < MAX_BREAKPOINTS); breakpoint_list[i].address = 0, i++) { + ; + } + breakpoints_initialized++; + } + + cnt = kdp_machine_vm_read(address, (caddr_t)&oldinstr, (mach_vm_size_t)breakinstrsize); + + if (0 == memcmp(oldinstr, breakinstr, breakinstrsize)) { + printf("A trap was already set at that address, not setting new breakpoint\n"); + + return KDPERR_BREAKPOINT_ALREADY_SET; + } + + for (i = 0; (i < MAX_BREAKPOINTS) && (breakpoint_list[i].address != 0); i++) { + ; + } + + if (i == MAX_BREAKPOINTS) { + return KDPERR_MAX_BREAKPOINTS; + } + + breakpoint_list[i].address = address; + memcpy(breakpoint_list[i].oldbytes, oldinstr, breakinstrsize); + breakpoint_list[i].bytesused = breakinstrsize; + + cnt = kdp_machine_vm_write((caddr_t)&breakinstr, address, breakinstrsize); + + return KDPERR_NO_ERROR; +} + +kdp_error_t +kdp_remove_breakpoint_internal( + mach_vm_address_t address + ) +{ + mach_vm_size_t cnt; + int i; + + for (i = 0; (i < MAX_BREAKPOINTS) && (breakpoint_list[i].address != address); i++) { + ; + } + + if (i == MAX_BREAKPOINTS) { + return KDPERR_BREAKPOINT_NOT_FOUND; + } + + breakpoint_list[i].address = 0; + cnt = kdp_machine_vm_write((caddr_t)&breakpoint_list[i].oldbytes, address, breakpoint_list[i].bytesused); + + return KDPERR_NO_ERROR; +} + +boolean_t +kdp_remove_all_breakpoints(void) +{ + int i; + boolean_t breakpoint_found = FALSE; + + if (breakpoints_initialized) { + for (i = 0; i < MAX_BREAKPOINTS; i++) { + if (breakpoint_list[i].address) { + kdp_machine_vm_write((caddr_t)&(breakpoint_list[i].oldbytes), (mach_vm_address_t)breakpoint_list[i].address, (mach_vm_size_t)breakpoint_list[i].bytesused); + breakpoint_found = TRUE; + breakpoint_list[i].address = 0; + } + } + + if (breakpoint_found) { + printf("kdp_remove_all_breakpoints: found extant breakpoints, removing them.\n"); + } + } + return breakpoint_found; } boolean_t -kdp_remove_all_breakpoints() -{ - int i; - boolean_t breakpoint_found = FALSE; - - if (breakpoints_initialized) - { - for(i=0;i < MAX_BREAKPOINTS; i++) - { - if (breakpoint_list[i].address) - { - kdp_vm_write((caddr_t)&(breakpoint_list[i].old_instruction), (caddr_t)breakpoint_list[i].address, sizeof(int)); - breakpoint_found = TRUE; - breakpoint_list[i].address = 0; - } - } - if (breakpoint_found) - printf("kdp_remove_all_breakpoints: found extant breakpoints, removing them.\n"); - } - return breakpoint_found; +kdp_reboot( + __unused kdp_pkt_t *pkt, + __unused int *len, + __unused unsigned short *reply_port + ) +{ + dprintf(("kdp_reboot\n")); + + kdp_machine_reboot(); + + return TRUE; // no, not really, we won't return +} + +static boolean_t +kdp_readioport( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_readioport_req_t *rq = &pkt->readioport_req; + kdp_readioport_reply_t *rp = &pkt->readioport_reply; + size_t plen = *len; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + if (rq->nbytes > MAX_KDP_DATA_SIZE) { + rp->error = KDPERR_BAD_NBYTES; + } else { +#if KDP_TEST_HARNESS + uint16_t addr = rq->address; +#endif + uint16_t size = rq->nbytes; + dprintf(("kdp_readioport addr %x size %d\n", addr, size)); + + rp->error = kdp_machine_ioport_read(rq, rp->data, rq->lcpu); + if (rp->error == KDPERR_NO_ERROR) { + rp->hdr.len += size; + } + } + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + +static boolean_t +kdp_writeioport( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_writeioport_req_t *rq = &pkt->writeioport_req; + kdp_writeioport_reply_t *rp = &pkt->writeioport_reply; + size_t plen = *len; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + if (rq->nbytes > MAX_KDP_DATA_SIZE) { + rp->error = KDPERR_BAD_NBYTES; + } else { + dprintf(("kdp_writeioport addr %x size %d\n", rq->address, + rq->nbytes)); + + rp->error = kdp_machine_ioport_write(rq, rq->data, rq->lcpu); + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + +static boolean_t +kdp_readmsr64( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_readmsr64_req_t *rq = &pkt->readmsr64_req; + kdp_readmsr64_reply_t *rp = &pkt->readmsr64_reply; + size_t plen = *len; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + dprintf(("kdp_readmsr64 lcpu %x addr %x\n", rq->lcpu, rq->address)); + rp->error = kdp_machine_msr64_read(rq, rp->data, rq->lcpu); + if (rp->error == KDPERR_NO_ERROR) { + rp->hdr.len += sizeof(uint64_t); + } + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + +static boolean_t +kdp_writemsr64( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_writemsr64_req_t *rq = &pkt->writemsr64_req; + kdp_writemsr64_reply_t *rp = &pkt->writemsr64_reply; + size_t plen = *len; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + dprintf(("kdp_writemsr64 lcpu %x addr %x\n", rq->lcpu, rq->address)); + rp->error = kdp_machine_msr64_write(rq, rq->data, rq->lcpu); + + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; +} + +static boolean_t +kdp_dumpinfo( + kdp_pkt_t *pkt, + int *len, + unsigned short *reply_port + ) +{ + kdp_dumpinfo_req_t *rq = &pkt->dumpinfo_req; + kdp_dumpinfo_reply_t *rp = &pkt->dumpinfo_reply; + size_t plen = *len; + + if (plen < sizeof(*rq)) { + return FALSE; + } + + dprintf(("kdp_dumpinfo file=%s destip=%s routerip=%s\n", rq->name, rq->destip, rq->routerip)); + rp->hdr.is_reply = 1; + rp->hdr.len = sizeof(*rp); + + if ((rq->type & KDP_DUMPINFO_MASK) != KDP_DUMPINFO_GETINFO) { + kdp_set_dump_info(rq->type, rq->name, rq->destip, rq->routerip, + rq->port); + } + + /* gather some stats for reply */ + kdp_get_dump_info(rp); + + *reply_port = kdp.reply_port; + *len = rp->hdr.len; + + return TRUE; }