#include <vm/vm_kern.h> /* kernel_map */
#include <mach/memory_object_types.h>
+#include <machine/pal_routines.h>
#include <sys/msgbuf.h>
+/* we just want the link status flags, so undef KERNEL_PRIVATE for this
+ * header file. */
+#undef KERNEL_PRIVATE
+#include <net/if_media.h>
+#define KERNEL_PRIVATE
+
#include <string.h>
-#define DO_ALIGN 1 /* align all packet data accesses */
+#include <IOKit/IOPlatformExpert.h>
+#include <libkern/version.h>
+
+#define DO_ALIGN 1 /* align all packet data accesses */
+#define KDP_SERIAL_IPADDR 0xABADBABE /* IP address used for serial KDP */
+#define LINK_UP_STATUS (IFM_AVALID | IFM_ACTIVE)
extern int kdp_getc(void);
extern int reattach_wait;
-extern int serial_getc(void);
-extern void serial_putc(char);
-extern int serial_init(void);
+/* only used by IONetworkingFamily */
+typedef uint32_t (*kdp_link_t)(void);
+typedef boolean_t (*kdp_mode_t)(boolean_t);
+void kdp_register_link(kdp_link_t link, kdp_mode_t mode);
+void kdp_unregister_link(kdp_link_t link, kdp_mode_t mode);
static u_short ip_id; /* ip packet ctr, for ids */
volatile int kdp_flag = 0;
-static kdp_send_t kdp_en_send_pkt;
+static kdp_send_t kdp_en_send_pkt;
static kdp_receive_t kdp_en_recv_pkt;
+static kdp_link_t kdp_en_linkstatus;
+static kdp_mode_t kdp_en_setmode;
+#if CONFIG_SERIAL_KDP
+static void kdp_serial_send(void *rpkt, unsigned int rpkt_len);
+#define KDP_SERIAL_ENABLED() (kdp_en_send_pkt == kdp_serial_send)
+#else
+#define KDP_SERIAL_ENABLED() (0)
+#endif
static uint32_t kdp_current_ip_address = 0;
static struct ether_addr kdp_current_mac_address = {{0, 0, 0, 0, 0, 0}};
static uint32_t router_ip = 0;
static uint32_t target_ip = 0;
+static boolean_t save_ip_in_nvram = FALSE;
+
static volatile boolean_t panicd_specified = FALSE;
static boolean_t router_specified = FALSE;
static boolean_t corename_specified = FALSE;
static unsigned int panic_timeout = 100000;
static unsigned int last_panic_port = CORE_REMOTE_PORT;
-unsigned int SEGSIZE = 512;
+#define KDP_THROTTLE_VALUE (10ULL * NSEC_PER_SEC)
+uint32_t kdp_crashdump_pkt_size = 512;
+#define KDP_LARGE_CRASHDUMP_PKT_SIZE (1440 - 6 - sizeof(struct udpiphdr))
static char panicd_ip_str[20];
static char router_ip_str[20];
static char corename_str[50];
extern boolean_t kdp_call_kdb(void);
extern int kern_dump(void);
+extern int inet_aton(const char *cp, struct in_addr *pin);
+extern int inet_ntoa2(struct in_addr * pin, char * cp, const int len);
+
void * kdp_get_interface(void);
-void kdp_set_gateway_mac(void *);
-void kdp_set_ip_and_mac_addresses(struct in_addr *, struct ether_addr *);
-void kdp_set_interface(void *);
+void kdp_set_gateway_mac(void *gatewaymac);
+void kdp_set_ip_and_mac_addresses(struct in_addr *ipaddr, struct ether_addr *);
+void kdp_set_interface(void *interface, const struct ether_addr *macaddr);
void kdp_disable_arp(void);
static void kdp_arp_reply(struct ether_arp *);
static boolean_t kdp_arp_resolve(uint32_t, struct ether_addr *);
static volatile unsigned kdp_reentry_deadline;
-#if defined(__LP64__)
-uint32_t kdp_crashdump_feature_mask = KDP_FEATURE_LARGE_CRASHDUMPS;
-static uint32_t kdp_feature_large_crashdumps;
-#endif
+
+static uint32_t kdp_crashdump_feature_mask = KDP_FEATURE_LARGE_CRASHDUMPS | KDP_FEATURE_LARGE_PKT_SIZE;
+uint32_t kdp_feature_large_crashdumps, kdp_feature_large_pkt_size;
+
+char kdp_kernelversion_string[256];
static boolean_t gKDPDebug = FALSE;
#define KDP_DEBUG(...) if (gKDPDebug) printf(__VA_ARGS__);
static unsigned int old_debugger;
+#define SBLOCKSZ (2048)
+uint64_t kdp_dump_start_time = 0;
+uint64_t kdp_min_superblock_dump_time = ~1ULL;
+uint64_t kdp_max_superblock_dump_time = 0;
+uint64_t kdp_superblock_dump_time = 0;
+uint64_t kdp_superblock_dump_start_time = 0;
+
void
kdp_snapshot_preflight(int pid, void * tracebuf, uint32_t tracebuf_size,
uint32_t flags, uint32_t dispatch_offset);
}
+/* only send/receive data if the link is up */
+inline static void wait_for_link(void)
+{
+ static int first = 0;
+
+ if (!kdp_en_linkstatus)
+ return;
+
+ while (((*kdp_en_linkstatus)() & LINK_UP_STATUS) != LINK_UP_STATUS) {
+ if (first)
+ continue;
+
+ first = 1;
+ printf("Waiting for link to become available.\n");
+ kprintf("Waiting for link to become available.\n");
+ }
+}
+
+
+inline static void kdp_send_data(void *packet, unsigned int len)
+{
+ wait_for_link();
+ (*kdp_en_send_pkt)(packet, len);
+}
+
+
+inline static void kdp_receive_data(void *packet, unsigned int *len,
+ unsigned int timeout)
+{
+ wait_for_link();
+ (*kdp_en_recv_pkt)(packet, len, timeout);
+}
+
+
+
+void kdp_register_link(kdp_link_t link, kdp_mode_t mode)
+{
+ kdp_en_linkstatus = link;
+ kdp_en_setmode = mode;
+}
+
+void kdp_unregister_link(__unused kdp_link_t link, __unused kdp_mode_t mode)
+{
+ kdp_en_linkstatus = NULL;
+ kdp_en_setmode = NULL;
+}
+
void
kdp_register_send_receive(
kdp_send_t send,
kdp_timer_callout_init();
PE_parse_boot_argn("debug", &debug, sizeof (debug));
-#if defined(__LP64__)
kdp_crashdump_feature_mask = htonl(kdp_crashdump_feature_mask);
-#endif
+
if (!debug)
return;
- kdp_en_send_pkt = send;
- kdp_en_recv_pkt = receive;
+ kdp_en_send_pkt = send;
+ kdp_en_recv_pkt = receive;
if (debug & DB_KDP_BP_DIS)
kdp_flag |= KDP_BP_DIS;
if (current_debugger == KDP_CUR_DB)
current_debugger = NO_CUR_DB;
kdp_flag &= ~KDP_READY;
- kdp_en_send_pkt = NULL;
- kdp_en_recv_pkt = NULL;
+ kdp_en_send_pkt = NULL;
+ kdp_en_recv_pkt = NULL;
}
/* Cache stack snapshot parameters in preparation for a trace */
pkt.len += (unsigned int)sizeof (struct ether_header);
// save reply for possible retransmission
+ assert(pkt.len <= KDP_MAXPACKET);
if (!sideband)
- bcopy((char *)&pkt, (char *)&saved_reply, sizeof(pkt));
+ bcopy((char *)&pkt, (char *)&saved_reply, sizeof(saved_reply));
- (*kdp_en_send_pkt)(&pkt.data[pkt.off], pkt.len);
+ kdp_send_data(&pkt.data[pkt.off], pkt.len);
// increment expected sequence number
if (!sideband)
eh->ether_type = htons(ETHERTYPE_IP);
pkt.len += (unsigned int)sizeof (struct ether_header);
- (*kdp_en_send_pkt)(&pkt.data[pkt.off], pkt.len);
+ kdp_send_data(&pkt.data[pkt.off], pkt.len);
}
-/* We don't interpret this pointer, we just give it to the
-bsd stack so it can decide when to set the MAC and IP info. */
+
+inline static void debugger_if_necessary(void)
+{
+ if ((current_debugger == KDP_CUR_DB) && halt_in_debugger) {
+ kdp_call();
+ halt_in_debugger=0;
+ }
+}
+
+
+/* We don't interpret this pointer, we just give it to the bsd stack
+ so it can decide when to set the MAC and IP info. We'll
+ early initialize the MAC/IP info if we can so that we can use
+ KDP early in boot. These values may subsequently get over-written
+ when the interface gets initialized for real.
+*/
void
-kdp_set_interface(void *ifp)
+kdp_set_interface(void *ifp, const struct ether_addr *macaddr)
{
+ char kdpstr[80];
+ struct in_addr addr = { 0 };
+ unsigned int len;
+
kdp_current_ifp = ifp;
+
+ if (PE_parse_boot_argn("kdp_ip_addr", kdpstr, sizeof(kdpstr))) {
+ /* look for a static ip address */
+ if (inet_aton(kdpstr, &addr) == FALSE)
+ goto done;
+
+ goto config_network;
+ }
+
+ /* use saved ip address */
+ save_ip_in_nvram = TRUE;
+
+ len = sizeof(kdpstr);
+ if (PEReadNVRAMProperty("_kdp_ipstr", kdpstr, &len) == FALSE)
+ goto done;
+
+ kdpstr[len < sizeof(kdpstr) ? len : sizeof(kdpstr) - 1] = '\0';
+ if (inet_aton(kdpstr, &addr) == FALSE)
+ goto done;
+
+config_network:
+ kdp_current_ip_address = addr.s_addr;
+ if (macaddr)
+ kdp_current_mac_address = *macaddr;
+
+ /* we can't drop into the debugger at this point because the
+ link will likely not be up. when getDebuggerLinkStatus() support gets
+ added to the appropriate network drivers, adding the
+ following will enable this capability:
+ debugger_if_necessary();
+ */
+done:
+ return;
}
void *
struct in_addr *ipaddr,
struct ether_addr *macaddr)
{
- kdp_current_ip_address = ipaddr->s_addr;
- kdp_current_mac_address = *macaddr;
- if ((current_debugger == KDP_CUR_DB) && halt_in_debugger) {
- kdp_call();
- halt_in_debugger=0;
- }
+ static uint64_t last_time = (uint64_t) -1;
+ static uint64_t throttle_val = 0;
+ uint64_t cur_time;
+ char addr[16];
+
+ if (kdp_current_ip_address == ipaddr->s_addr)
+ goto done;
+
+ /* don't replace if serial debugging is configured */
+ if (!KDP_SERIAL_ENABLED() ||
+ (kdp_current_ip_address != KDP_SERIAL_IPADDR)) {
+ kdp_current_mac_address = *macaddr;
+ kdp_current_ip_address = ipaddr->s_addr;
+ }
+
+ if (save_ip_in_nvram == FALSE)
+ goto done;
+
+ if (inet_ntoa2(ipaddr, addr, sizeof(addr)) == FALSE)
+ goto done;
+
+ /* throttle writes if needed */
+ if (!throttle_val)
+ nanoseconds_to_absolutetime(KDP_THROTTLE_VALUE, &throttle_val);
+
+ cur_time = mach_absolute_time();
+ if (last_time == (uint64_t) -1 ||
+ ((cur_time - last_time) > throttle_val)) {
+ PEWriteNVRAMProperty("_kdp_ipstr", addr,
+ (const unsigned int) strlen(addr));
+ }
+ last_time = cur_time;
+
+done:
+ debugger_if_necessary();
}
void
kdp_set_gateway_mac(void *gatewaymac)
{
- router_mac = *(struct ether_addr *)gatewaymac;
- flag_router_mac_initialized = TRUE;
+ router_mac = *(struct ether_addr *)gatewaymac;
+ flag_router_mac_initialized = TRUE;
}
struct ether_addr
(void)memcpy(&pkt.data[pkt.off], ea, sizeof(*ea));
pkt.off -= (unsigned int)sizeof (struct ether_header);
/* pkt.len is still the length we want, ether_header+ether_arp */
- (*kdp_en_send_pkt)(&pkt.data[pkt.off], pkt.len);
+ kdp_send_data(&pkt.data[pkt.off], pkt.len);
}
}
}
pkt.off = pkt.len = 0;
- (*kdp_en_recv_pkt)(pkt.data, &pkt.len, 3/* ms */);
+ kdp_receive_data(pkt.data, &pkt.len, 3/* ms */);
if (pkt.len == 0)
return;
pkt.off = 0;
pkt.len = sizeof(struct ether_header) + sizeof(struct ether_arp);
/* Transmit */
- (*kdp_en_send_pkt)(&pkt.data[pkt.off], pkt.len);
+ kdp_send_data(&pkt.data[pkt.off], pkt.len);
}
static boolean_t
// check for retransmitted request
if (hdr->seq == (exception_seq - 1)) {
/* retransmit last reply */
- (*kdp_en_send_pkt)(&saved_reply.data[saved_reply.off],
- saved_reply.len);
+ kdp_send_data(&saved_reply.data[saved_reply.off],
+ saved_reply.len);
goto again;
} else if ((hdr->seq != exception_seq) &&
(hdr->request != KDP_CONNECT)) {
* the panic.log
*/
- printf( "ethernet MAC address: %02x:%02x:%02x:%02x:%02x:%02x\n",
- kdp_mac_addr.ether_addr_octet[0] & 0xff,
- kdp_mac_addr.ether_addr_octet[1] & 0xff,
- kdp_mac_addr.ether_addr_octet[2] & 0xff,
- kdp_mac_addr.ether_addr_octet[3] & 0xff,
- kdp_mac_addr.ether_addr_octet[4] & 0xff,
- kdp_mac_addr.ether_addr_octet[5] & 0xff);
+ if (KDP_SERIAL_ENABLED()) {
+ printf("Using serial KDP.\n");
+ kprintf("Using serial KDP.\n");
+ } else {
+ printf( "ethernet MAC address: %02x:%02x:%02x:%02x:%02x:%02x\n",
+ kdp_mac_addr.ether_addr_octet[0] & 0xff,
+ kdp_mac_addr.ether_addr_octet[1] & 0xff,
+ kdp_mac_addr.ether_addr_octet[2] & 0xff,
+ kdp_mac_addr.ether_addr_octet[3] & 0xff,
+ kdp_mac_addr.ether_addr_octet[4] & 0xff,
+ kdp_mac_addr.ether_addr_octet[5] & 0xff);
- kprintf( "ethernet MAC address: %02x:%02x:%02x:%02x:%02x:%02x\n",
- kdp_mac_addr.ether_addr_octet[0] & 0xff,
- kdp_mac_addr.ether_addr_octet[1] & 0xff,
- kdp_mac_addr.ether_addr_octet[2] & 0xff,
- kdp_mac_addr.ether_addr_octet[3] & 0xff,
- kdp_mac_addr.ether_addr_octet[4] & 0xff,
- kdp_mac_addr.ether_addr_octet[5] & 0xff);
+ kprintf( "ethernet MAC address: %02x:%02x:%02x:%02x:%02x:%02x\n",
+ kdp_mac_addr.ether_addr_octet[0] & 0xff,
+ kdp_mac_addr.ether_addr_octet[1] & 0xff,
+ kdp_mac_addr.ether_addr_octet[2] & 0xff,
+ kdp_mac_addr.ether_addr_octet[3] & 0xff,
+ kdp_mac_addr.ether_addr_octet[4] & 0xff,
+ kdp_mac_addr.ether_addr_octet[5] & 0xff);
- printf( "ip address: %d.%d.%d.%d\n",
- (ip_addr & 0xff000000) >> 24,
- (ip_addr & 0xff0000) >> 16,
- (ip_addr & 0xff00) >> 8,
- (ip_addr & 0xff));
+ printf( "ip address: %d.%d.%d.%d\n",
+ (ip_addr & 0xff000000) >> 24,
+ (ip_addr & 0xff0000) >> 16,
+ (ip_addr & 0xff00) >> 8,
+ (ip_addr & 0xff));
- kprintf( "ip address: %d.%d.%d.%d\n",
- (ip_addr & 0xff000000) >> 24,
- (ip_addr & 0xff0000) >> 16,
- (ip_addr & 0xff00) >> 8,
- (ip_addr & 0xff));
+ kprintf( "ip address: %d.%d.%d.%d\n",
+ (ip_addr & 0xff000000) >> 24,
+ (ip_addr & 0xff0000) >> 16,
+ (ip_addr & 0xff00) >> 8,
+ (ip_addr & 0xff));
+ }
printf("\nWaiting for remote debugger connection.\n");
kdp.kdp_cpu = cpu_number();
kdp.kdp_thread = current_thread();
+ if (kdp_en_setmode)
+ (*kdp_en_setmode)(TRUE); /* enabling link mode */
+
if (pkt.input)
kdp_panic("kdp_raise_exception");
-
if (((kdp_flag & KDP_PANIC_DUMP_ENABLED) || (kdp_flag & PANIC_LOG_DUMP))
&& (panicstr != (char *) 0)) {
kdp_panic_dump();
goto again;
exit_raise_exception:
+ if (kdp_en_setmode)
+ (*kdp_en_setmode)(FALSE); /* link cleanup */
enable_preemption();
}
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;
+ kdp.session_key = 0;
+ pkt.input = manual_pkt.input = FALSE;
+ pkt.len = pkt.off = manual_pkt.len = 0;
}
struct corehdr *
struct corehdr *coreh;
const char *mode = "octet";
char modelen = strlen(mode);
-#if defined(__LP64__)
+
size_t fmask_size = sizeof(KDP_FEATURE_MASK_STRING) + sizeof(kdp_crashdump_feature_mask);
-#else
- size_t fmask_size = 0;
-#endif
+
pkt.off = sizeof (struct ether_header);
pkt.len = (unsigned int)(length + ((request == KDP_WRQ) ? modelen + fmask_size : 0) +
(corename ? strlen(corename): 0) + sizeof(struct corehdr));
*cp++ = '\0';
cp += strlcpy (cp, mode, KDP_MAXPACKET - strlen(corename));
*cp++ = '\0';
-#if defined(__LP64__)
cp += strlcpy(cp, KDP_FEATURE_MASK_STRING, sizeof(KDP_FEATURE_MASK_STRING));
*cp++ = '\0'; /* Redundant */
bcopy(&kdp_crashdump_feature_mask, cp, sizeof(kdp_crashdump_feature_mask));
-#endif
+ kdp_crashdump_pkt_size = KDP_LARGE_CRASHDUMP_PKT_SIZE;
+ PE_parse_boot_argn("kdp_crashdump_pkt_size", &kdp_crashdump_pkt_size, sizeof(kdp_crashdump_pkt_size));
+ cp += sizeof(kdp_crashdump_feature_mask);
+ *(uint32_t *)cp = htonl(kdp_crashdump_pkt_size);
}
else
{
{
int panic_error;
-#if defined(__LP64__)
if (kdp_feature_large_crashdumps) {
panic_error = kdp_send_crashdump_pkt(KDP_SEEK, corename,
sizeof(seek_off),
&seek_off);
- } else
-#endif
- {
+ } else {
uint32_t off = (uint32_t) seek_off;
panic_error = kdp_send_crashdump_pkt(KDP_SEEK, corename,
sizeof(off), &off);
}
int kdp_send_crashdump_data(unsigned int request, char *corename,
- uint64_t length, caddr_t txstart)
+ int64_t length, caddr_t txstart)
{
int panic_error = 0;
while (length > 0) {
- uint64_t chunk = MIN(SEGSIZE, length);
-
+ uint64_t chunk = MIN(kdp_crashdump_pkt_size, length);
+
panic_error = kdp_send_crashdump_pkt(request, corename, chunk,
- (caddr_t) txstart);
+ txstart);
if (panic_error < 0) {
printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
return panic_error;
}
- if (!(panic_block % 2000))
- kdb_printf_unbuffered(".");
-
txstart += chunk;
length -= chunk;
}
return 0;
}
+uint32_t kdp_crashdump_short_pkt;
+
int
kdp_send_crashdump_pkt(unsigned int request, char *corename,
uint64_t length, void *panic_data)
{
+ int poll_count;
struct corehdr *th = NULL;
- int poll_count = 2500;
-
- char rretries = 0, tretries = 0;
+ char rretries, tretries;
+ if (kdp_dump_start_time == 0) {
+ kdp_dump_start_time = mach_absolute_time();
+ kdp_superblock_dump_start_time = kdp_dump_start_time;
+ }
+
+ tretries = rretries = 0;
+ poll_count = KDP_CRASHDUMP_POLL_COUNT;
pkt.off = pkt.len = 0;
-
if (request == KDP_WRQ) /* longer timeout for initial request */
poll_count += 1000;
th = create_panic_header(request, corename, (unsigned)length, panic_block);
if (request == KDP_DATA) {
- /* as all packets are SEGSIZE in length, the last packet
+ /* as all packets are kdp_crashdump_pkt_size in length, the last packet
* may end up with trailing bits. make sure that those
* bits aren't confusing. */
- if (length < SEGSIZE)
- memset(th->th_data + length, 'X',
- SEGSIZE - (uint32_t) length);
+ if (length < kdp_crashdump_pkt_size) {
+ kdp_crashdump_short_pkt++;
+ memset(th->th_data + length, 'Y',
+ kdp_crashdump_pkt_size - (uint32_t) length);
+ }
- if (!kdp_machine_vm_read((mach_vm_address_t)(intptr_t)panic_data, (caddr_t) th->th_data, length)) {
- memset ((caddr_t) th->th_data, 'X', (size_t)length);
+ if (!kdp_machine_vm_read((mach_vm_address_t)(uintptr_t)panic_data, (caddr_t) th->th_data, length)) {
+ uintptr_t next_page = round_page((uintptr_t)panic_data);
+ memset((caddr_t) th->th_data, 'X', (size_t)length);
+ if ((next_page - ((uintptr_t) panic_data)) < length) {
+ uint64_t resid = length - (next_page - (intptr_t) panic_data);
+ if (!kdp_machine_vm_read((mach_vm_address_t)(uintptr_t)next_page, (caddr_t) th->th_data + (length - resid), resid)) {
+ memset((caddr_t) th->th_data + (length - resid), 'X', (size_t)resid);
+ }
+ }
}
}
else if (request == KDP_SEEK) {
-#if defined(__LP64__)
if (kdp_feature_large_crashdumps)
*(uint64_t *) th->th_data = OSSwapHostToBigInt64((*(uint64_t *) panic_data));
else
-#endif
- *(unsigned int *) th->th_data = htonl(*(unsigned int *) panic_data);
+ *(unsigned int *) th->th_data = htonl(*(unsigned int *) panic_data);
}
- (*kdp_en_send_pkt)(&pkt.data[pkt.off], pkt.len);
+ kdp_send_data(&pkt.data[pkt.off], pkt.len);
/* Listen for the ACK */
RECEIVE_RETRY:
pkt.input = FALSE;
th = (struct corehdr *) &pkt.data[pkt.off];
-#if defined(__LP64__)
if (request == KDP_WRQ) {
uint16_t opcode64 = ntohs(th->th_opcode);
uint16_t features64 = (opcode64 & 0xFF00)>>8;
if ((opcode64 & 0xFF) == KDP_ACK) {
kdp_feature_large_crashdumps = features64 & KDP_FEATURE_LARGE_CRASHDUMPS;
+ if (features64 & KDP_FEATURE_LARGE_PKT_SIZE) {
+ kdp_feature_large_pkt_size = 1;
+ }
+ else {
+ kdp_feature_large_pkt_size = 0;
+ kdp_crashdump_pkt_size = 512;
+ }
printf("Protocol features: 0x%x\n", (uint32_t) features64);
th->th_opcode = htons(KDP_ACK);
}
}
-#endif
if (ntohs(th->th_opcode) == KDP_ACK && ntohl(th->th_block) == panic_block) {
}
else
kdp_us_spin ((tretries%4) * panic_timeout); /* capped linear backoff */
goto TRANSMIT_RETRY;
}
-
- panic_block++;
-
- if (request == KDP_EOF)
+
+ if (!(++panic_block % SBLOCKSZ)) {
+ uint64_t ctime;
+ kdb_printf_unbuffered(".");
+ ctime = mach_absolute_time();
+ kdp_superblock_dump_time = ctime - kdp_superblock_dump_start_time;
+ kdp_superblock_dump_start_time = ctime;
+ if (kdp_superblock_dump_time > kdp_max_superblock_dump_time)
+ kdp_max_superblock_dump_time = kdp_superblock_dump_time;
+ if (kdp_superblock_dump_time < kdp_min_superblock_dump_time)
+ kdp_min_superblock_dump_time = kdp_superblock_dump_time;
+ }
+
+ if (request == KDP_EOF) {
printf("\nTotal number of packets transmitted: %d\n", panic_block);
-
+ printf("Avg. superblock transfer abstime 0x%llx\n", ((mach_absolute_time() - kdp_dump_start_time) / panic_block) * SBLOCKSZ);
+ printf("Minimum superblock transfer abstime: 0x%llx\n", kdp_min_superblock_dump_time);
+ printf("Maximum superblock transfer abstime: 0x%llx\n", kdp_max_superblock_dump_time);
+ }
return 1;
}
return (s);
}
-extern char version[];
-
/* Horrid hack to extract xnu version if possible - a much cleaner approach
* would be to have the integrator run a script which would copy the
* xnu version into a string or an int somewhere at project submission
char *vptr;
strlcpy(vstr, "custom", 10);
-
if (kdp_machine_vm_read((mach_vm_address_t)(uintptr_t)version, versionbuf, 128)) {
- versionbuf[127] = '\0';
- versionpos = strnstr(versionbuf, "xnu-", 115);
+ versionbuf[127] = '\0';
+ versionpos = strnstr(versionbuf, "xnu-", 115);
if (versionpos) {
strncpy(vstr, versionpos, sizeof(vstr));
vstr[sizeof(vstr)-1] = '\0';
return retval;
}
-extern char *inet_aton(const char *cp, struct in_addr *pin);
-
void
kdp_set_dump_info(const uint32_t flags, const char *filename,
const char *destipstr, const char *routeripstr,
char coreprefix[10];
int panic_error;
- uint64_t abstime;
+ uint64_t abstime;
uint32_t current_ip = ntohl((uint32_t)kdp_current_ip_address);
if (flag_panic_dump_in_progress) {
- printf("System dump aborted.\n");
+ kdb_printf("System dump aborted.\n");
goto panic_dump_exit;
}
printf("Entering system dump routine\n");
if (!kdp_en_recv_pkt || !kdp_en_send_pkt) {
- printf("Error: No transport device registered for kernel crashdump\n");
- return;
+ kdb_printf("Error: No transport device registered for kernel crashdump\n");
+ return;
}
if (!panicd_specified) {
- printf("A dump server was not specified in the boot-args, terminating kernel core dump.\n");
+ kdb_printf("A dump server was not specified in the boot-args, terminating kernel core dump.\n");
goto panic_dump_exit;
}
}
if (0 == inet_aton(panicd_ip_str, (struct in_addr *) &panic_server_ip)) {
- printf("inet_aton() failed interpreting %s as a panic server IP\n", panicd_ip_str);
+ kdb_printf("inet_aton() failed interpreting %s as a panic server IP\n", panicd_ip_str);
}
else
- printf("Attempting connection to panic server configured at IP %s, port %d\n", panicd_ip_str, panicd_port);
+ kdb_printf("Attempting connection to panic server configured at IP %s, port %d\n", panicd_ip_str, panicd_port);
destination_mac = router_mac;
if (kdp_arp_resolve(panic_server_ip, &temp_mac)) {
- printf("Resolved %s's (or proxy's) link level address\n", panicd_ip_str);
+ kdb_printf("Resolved %s's (or proxy's) link level address\n", panicd_ip_str);
destination_mac = temp_mac;
}
else {
if (!flag_panic_dump_in_progress) goto panic_dump_exit;
if (router_specified) {
if (0 == inet_aton(router_ip_str, (struct in_addr *) &parsed_router_ip))
- printf("inet_aton() failed interpreting %s as an IP\n", router_ip_str);
+ kdb_printf("inet_aton() failed interpreting %s as an IP\n", router_ip_str);
else {
router_ip = parsed_router_ip;
if (kdp_arp_resolve(router_ip, &temp_mac)) {
destination_mac = temp_mac;
- printf("Routing through specified router IP %s (%d)\n", router_ip_str, router_ip);
+ kdb_printf("Routing through specified router IP %s (%d)\n", router_ip_str, router_ip);
}
}
}
if (!flag_panic_dump_in_progress) goto panic_dump_exit;
- printf("Transmitting packets to link level address: %02x:%02x:%02x:%02x:%02x:%02x\n",
+ kdb_printf("Transmitting packets to link level address: %02x:%02x:%02x:%02x:%02x:%02x\n",
destination_mac.ether_addr_octet[0] & 0xff,
destination_mac.ether_addr_octet[1] & 0xff,
destination_mac.ether_addr_octet[2] & 0xff,
destination_mac.ether_addr_octet[4] & 0xff,
destination_mac.ether_addr_octet[5] & 0xff);
- printf("Kernel map size is %llu\n", (unsigned long long) get_vmmap_size(kernel_map));
- printf("Sending write request for %s\n", corename_str);
+ kdb_printf("Kernel map size is %llu\n", (unsigned long long) get_vmmap_size(kernel_map));
+ kdb_printf("Sending write request for %s\n", corename_str);
if ((panic_error = kdp_send_crashdump_pkt(KDP_WRQ, corename_str, 0 , NULL)) < 0) {
- printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
+ kdb_printf ("kdp_send_crashdump_pkt failed with error %d\n", panic_error);
goto panic_dump_exit;
}
/* Just the panic log requested */
if ((panicstr != (char *) 0) && (kdp_flag & PANIC_LOG_DUMP)) {
- printf("Transmitting panic log, please wait: ");
+ kdb_printf_unbuffered("Transmitting panic log, please wait: ");
kdp_send_crashdump_data(KDP_DATA, corename_str,
debug_buf_ptr - debug_buf,
debug_buf);
long start_off = msgbufp->msg_bufx;
long len;
- printf("Transmitting system log, please wait: ");
+ kdb_printf_unbuffered("Transmitting system log, please wait: ");
if (start_off >= msgbufp->msg_bufr) {
len = msgbufp->msg_size - start_off;
kdp_send_crashdump_data(KDP_DATA, corename_str, len,
msgbufp->msg_bufc + start_off);
-
/* seek to remove trailing bytes */
- if (len & (SEGSIZE - 1))
- kdp_send_crashdump_seek(corename_str, len);
+ kdp_send_crashdump_seek(corename_str, len);
start_off = 0;
}
panic_dump_exit:
abort_panic_transfer();
- pkt.input = FALSE;
- pkt.len = 0;
kdp_reset();
return;
}
static void
kdp_serial_send(void *rpkt, unsigned int rpkt_len)
{
- if (needs_serial_init)
- {
- serial_init();
- needs_serial_init = FALSE;
- }
-
// printf("tx\n");
- kdp_serialize_packet((unsigned char *)rpkt, rpkt_len, serial_putc);
+ kdp_serialize_packet((unsigned char *)rpkt, rpkt_len, pal_serial_putc);
}
static void
int readkar;
uint64_t now, deadline;
- if (needs_serial_init)
- {
- serial_init();
- needs_serial_init = FALSE;
- }
-
clock_interval_to_deadline(timeout, 1000 * 1000 /* milliseconds */, &deadline);
// printf("rx\n");
for(clock_get_uptime(&now); now < deadline; clock_get_uptime(&now))
{
- readkar = serial_getc();
+ readkar = pal_serial_getc();
if(readkar >= 0)
{
unsigned char *packet;
*rpkt_len = 0;
}
+static boolean_t
+kdp_serial_setmode(boolean_t active)
+{
+ if (active == FALSE) /* leaving KDP */
+ return TRUE;
+
+ if (!needs_serial_init)
+ return TRUE;
+
+ pal_serial_init();
+ needs_serial_init = FALSE;
+ return TRUE;
+}
+
+
static void kdp_serial_callout(__unused void *arg, kdp_event_t event)
{
/* When we stop KDP, set the bit to re-initialize the console serial port
void
kdp_init(void)
{
+ strlcpy(kdp_kernelversion_string, version, sizeof(kdp_kernelversion_string));
+
+ /* Relies on platform layer calling panic_init() before kdp_init() */
+ if (kernel_uuid[0] != '\0') {
+ /*
+ * Update kdp_kernelversion_string with our UUID
+ * generated at link time.
+ */
+
+ strlcat(kdp_kernelversion_string, "; UUID=", sizeof(kdp_kernelversion_string));
+ strlcat(kdp_kernelversion_string, kernel_uuid, sizeof(kdp_kernelversion_string));
+ }
+
+ if (debug_boot_arg & DB_REBOOT_POST_CORE)
+ kdp_flag |= REBOOT_POST_CORE;
+#if defined(__x86_64__)
+ kdp_machine_init();
+#endif
#if CONFIG_SERIAL_KDP
char kdpname[80];
struct in_addr ipaddr;
return;
#endif
- kprintf("Intializing serial KDP\n");
+ kprintf("Initializing serial KDP\n");
kdp_register_callout(kdp_serial_callout, NULL);
+ kdp_register_link(NULL, kdp_serial_setmode);
kdp_register_send_receive(kdp_serial_send, kdp_serial_receive);
/* fake up an ip and mac for early serial debugging */
macaddr.ether_addr_octet[3] = 'i';
macaddr.ether_addr_octet[4] = 'a';
macaddr.ether_addr_octet[5] = 'l';
- ipaddr.s_addr = 0xABADBABE;
+ ipaddr.s_addr = KDP_SERIAL_IPADDR;
kdp_set_ip_and_mac_addresses(&ipaddr, &macaddr);
+
#endif /* CONFIG_SERIAL_KDP */
}
projects / apple / xnu.git / blobdiff