/*
- * Copyright (c) 2000-2010 Apple, Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <i386/mp.h> /* mp_rendezvous_break_lock */
#include <i386/cpuid.h>
#include <i386/fpu.h>
-#include <i386/ipl.h>
+#include <i386/machine_cpu.h>
+#include <i386/pmap.h>
+#if CONFIG_MTRR
#include <i386/mtrr.h>
+#endif
+#include <i386/ucode.h>
#include <i386/pmCPU.h>
#include <architecture/i386/pio.h> /* inb() */
#include <pexpert/i386/boot.h>
#include <mach-o/nlist.h>
#include <libkern/kernel_mach_header.h>
+#include <libkern/OSKextLibPrivate.h>
+
+#define DPRINTF(x...)
+//#define DPRINTF(x...) kprintf(x)
static void machine_conf(void);
hw_lock_data_t pbtlock; /* backtrace print lock */
uint32_t pbtcnt = 0;
+volatile int panic_double_fault_cpu = -1;
+
#if defined (__i386__)
#define PRINT_ARGS_FROM_STACK_FRAME 1
#elif defined (__x86_64__)
#endif
if (PE_parse_boot_argn("debug", &debug_boot_arg, sizeof (debug_boot_arg))) {
+ panicDebugging = TRUE;
if (debug_boot_arg & DB_HALT) halt_in_debugger=1;
if (debug_boot_arg & DB_PRT) disable_debug_output=FALSE;
if (debug_boot_arg & DB_SLOG) systemLogDiags=TRUE;
- if (debug_boot_arg & DB_NMI) panicDebugging=TRUE;
if (debug_boot_arg & DB_LOG_PI_SCRN) logPanicDataToScreen=TRUE;
} else {
debug_boot_arg = 0;
uint32_t hdr_cksum;
uint32_t cksum;
- kprintf("Processing 64-bit EFI tables at %p\n", system_table);
+ DPRINTF("Processing 64-bit EFI tables at %p\n", system_table);
do {
+ DPRINTF("Header:\n");
+ DPRINTF(" Signature: 0x%016llx\n", system_table->Hdr.Signature);
+ DPRINTF(" Revision: 0x%08x\n", system_table->Hdr.Revision);
+ DPRINTF(" HeaderSize: 0x%08x\n", system_table->Hdr.HeaderSize);
+ DPRINTF(" CRC32: 0x%08x\n", system_table->Hdr.CRC32);
+ DPRINTF("RuntimeServices: 0x%016llx\n", system_table->RuntimeServices);
if (system_table->Hdr.Signature != EFI_SYSTEM_TABLE_SIGNATURE) {
kprintf("Bad EFI system table signature\n");
break;
system_table->Hdr.CRC32 = 0;
cksum = crc32(0L, system_table, system_table->Hdr.HeaderSize);
- //kprintf("System table calculated CRC32 = 0x%x, header = 0x%x\n", cksum, hdr_cksum);
+ DPRINTF("System table calculated CRC32 = 0x%x, header = 0x%x\n", cksum, hdr_cksum);
system_table->Hdr.CRC32 = hdr_cksum;
if (cksum != hdr_cksum) {
kprintf("Bad EFI system table checksum\n");
gPEEFISystemTable = system_table;
-
if (!cpu_mode_is64bit()) {
kprintf("Skipping 64-bit EFI runtime services for 32-bit legacy mode\n");
break;
kprintf("No runtime table present\n");
break;
}
- kprintf("RuntimeServices table at 0x%qx\n", system_table->RuntimeServices);
+ DPRINTF("RuntimeServices table at 0x%qx\n", system_table->RuntimeServices);
// 64-bit virtual address is OK for 64-bit EFI and 64/32-bit kernel.
runtime = (EFI_RUNTIME_SERVICES_64 *) (uintptr_t)system_table->RuntimeServices;
- kprintf("Checking runtime services table %p\n", runtime);
+ DPRINTF("Checking runtime services table %p\n", runtime);
if (runtime->Hdr.Signature != EFI_RUNTIME_SERVICES_SIGNATURE) {
kprintf("Bad EFI runtime table signature\n");
break;
runtime->Hdr.CRC32 = 0;
cksum = crc32(0L, runtime, runtime->Hdr.HeaderSize);
- //kprintf("Runtime table calculated CRC32 = 0x%x, header = 0x%x\n", cksum, hdr_cksum);
+ DPRINTF("Runtime table calculated CRC32 = 0x%x, header = 0x%x\n", cksum, hdr_cksum);
runtime->Hdr.CRC32 = hdr_cksum;
if (cksum != hdr_cksum) {
kprintf("Bad EFI runtime table checksum\n");
uint32_t hdr_cksum;
uint32_t cksum;
- kprintf("Processing 32-bit EFI tables at %p\n", system_table);
+ DPRINTF("Processing 32-bit EFI tables at %p\n", system_table);
do {
+ DPRINTF("Header:\n");
+ DPRINTF(" Signature: 0x%016llx\n", system_table->Hdr.Signature);
+ DPRINTF(" Revision: 0x%08x\n", system_table->Hdr.Revision);
+ DPRINTF(" HeaderSize: 0x%08x\n", system_table->Hdr.HeaderSize);
+ DPRINTF(" CRC32: 0x%08x\n", system_table->Hdr.CRC32);
+ DPRINTF("RuntimeServices: 0x%08x\n", system_table->RuntimeServices);
if (system_table->Hdr.Signature != EFI_SYSTEM_TABLE_SIGNATURE) {
kprintf("Bad EFI system table signature\n");
break;
// Verify signature of the system table
hdr_cksum = system_table->Hdr.CRC32;
system_table->Hdr.CRC32 = 0;
+ DPRINTF("System table at %p HeaderSize 0x%x\n", system_table, system_table->Hdr.HeaderSize);
cksum = crc32(0L, system_table, system_table->Hdr.HeaderSize);
- //kprintf("System table calculated CRC32 = 0x%x, header = 0x%x\n", cksum, hdr_cksum);
+ DPRINTF("System table calculated CRC32 = 0x%x, header = 0x%x\n", cksum, hdr_cksum);
system_table->Hdr.CRC32 = hdr_cksum;
if (cksum != hdr_cksum) {
kprintf("Bad EFI system table checksum\n");
gPEEFISystemTable = system_table;
-
if(system_table->RuntimeServices == 0) {
kprintf("No runtime table present\n");
break;
}
- kprintf("RuntimeServices table at 0x%x\n", system_table->RuntimeServices);
+ DPRINTF("RuntimeServices table at 0x%x\n", system_table->RuntimeServices);
// 32-bit virtual address is OK for 32-bit EFI and 32-bit kernel.
- // For a 64-bit kernel, booter will ensure pointer is zeroed out
- runtime = (EFI_RUNTIME_SERVICES_32 *) (intptr_t)system_table->RuntimeServices;
+ // For a 64-bit kernel, booter provides a virtual address mod 4G
+ runtime = (EFI_RUNTIME_SERVICES_32 *)
+#ifdef __x86_64__
+ (system_table->RuntimeServices | VM_MIN_KERNEL_ADDRESS);
+#else
+ system_table->RuntimeServices;
+#endif
+ DPRINTF("Runtime table addressed at %p\n", runtime);
if (runtime->Hdr.Signature != EFI_RUNTIME_SERVICES_SIGNATURE) {
kprintf("Bad EFI runtime table signature\n");
break;
runtime->Hdr.CRC32 = 0;
cksum = crc32(0L, runtime, runtime->Hdr.HeaderSize);
- //kprintf("Runtime table calculated CRC32 = 0x%x, header = 0x%x\n", cksum, hdr_cksum);
+ DPRINTF("Runtime table calculated CRC32 = 0x%x, header = 0x%x\n", cksum, hdr_cksum);
runtime->Hdr.CRC32 = hdr_cksum;
if (cksum != hdr_cksum) {
kprintf("Bad EFI runtime table checksum\n");
break;
}
+ DPRINTF("Runtime functions\n");
+ DPRINTF(" GetTime : 0x%x\n", runtime->GetTime);
+ DPRINTF(" SetTime : 0x%x\n", runtime->SetTime);
+ DPRINTF(" GetWakeupTime : 0x%x\n", runtime->GetWakeupTime);
+ DPRINTF(" SetWakeupTime : 0x%x\n", runtime->SetWakeupTime);
+ DPRINTF(" SetVirtualAddressMap : 0x%x\n", runtime->SetVirtualAddressMap);
+ DPRINTF(" ConvertPointer : 0x%x\n", runtime->ConvertPointer);
+ DPRINTF(" GetVariable : 0x%x\n", runtime->GetVariable);
+ DPRINTF(" GetNextVariableName : 0x%x\n", runtime->GetNextVariableName);
+ DPRINTF(" SetVariable : 0x%x\n", runtime->SetVariable);
+ DPRINTF(" GetNextHighMonotonicCount: 0x%x\n", runtime->GetNextHighMonotonicCount);
+ DPRINTF(" ResetSystem : 0x%x\n", runtime->ResetSystem);
+
gPEEFIRuntimeServices = runtime;
}
while (FALSE);
msize = args->MemoryMapDescriptorSize;
mcount = args->MemoryMapSize / msize;
+ DPRINTF("efi_init() kernel base: 0x%x size: 0x%x\n",
+ args->kaddr, args->ksize);
+ DPRINTF(" efiSystemTable physical: 0x%x virtual: %p\n",
+ args->efiSystemTable,
+ (void *) ml_static_ptovirt(args->efiSystemTable));
+ DPRINTF(" efiRuntimeServicesPageStart: 0x%x\n",
+ args->efiRuntimeServicesPageStart);
+ DPRINTF(" efiRuntimeServicesPageCount: 0x%x\n",
+ args->efiRuntimeServicesPageCount);
+ DPRINTF(" efiRuntimeServicesVirtualPageStart: 0x%016llx\n",
+ args->efiRuntimeServicesVirtualPageStart);
mptr = (EfiMemoryRange *)ml_static_ptovirt(args->MemoryMap);
for (i=0; i < mcount; i++, mptr = (EfiMemoryRange *)(((vm_offset_t)mptr) + msize)) {
if (((mptr->Attribute & EFI_MEMORY_RUNTIME) == EFI_MEMORY_RUNTIME) ) {
vm_size = (vm_offset_t)i386_ptob((uint32_t)mptr->NumberOfPages);
vm_addr = (vm_offset_t) mptr->VirtualStart;
- phys_addr = (vm_map_offset_t) mptr->PhysicalStart;
-#if defined(__i386__)
- pmap_map
-#elif defined(__x86_64__)
- pmap_map_bd /* K64todo resolve pmap layer inconsistency */
+#ifdef __x86_64__
+ /* For K64 on EFI32, shadow-map into high KVA */
+ if (vm_addr < VM_MIN_KERNEL_ADDRESS)
+ vm_addr |= VM_MIN_KERNEL_ADDRESS;
#endif
- (vm_addr, phys_addr, phys_addr + round_page(vm_size),
+ phys_addr = (vm_map_offset_t) mptr->PhysicalStart;
+ DPRINTF(" Type: %x phys: %p EFIv: %p kv: %p size: %p\n",
+ mptr->Type,
+ (void *) (uintptr_t) phys_addr,
+ (void *) (uintptr_t) mptr->VirtualStart,
+ (void *) vm_addr,
+ (void *) vm_size);
+ pmap_map(vm_addr, phys_addr, phys_addr + round_page(vm_size),
(mptr->Type == kEfiRuntimeServicesCode) ? VM_PROT_READ | VM_PROT_EXECUTE : VM_PROT_READ|VM_PROT_WRITE,
(mptr->Type == EfiMemoryMappedIO) ? VM_WIMG_IO : VM_WIMG_USE_DEFAULT);
}
}
- if ((args->Version != kBootArgsVersion1) || (args->Version == kBootArgsVersion1 && args->Revision < kBootArgsRevision1_5 ))
+ if (args->Version != kBootArgsVersion2)
panic("Incompatible boot args version %d revision %d\n", args->Version, args->Revision);
kprintf("Boot args version %d revision %d mode %d\n", args->Version, args->Revision, args->efiMode);
kprintf("Reinitializing EFI runtime services\n");
- if (args->Version != kBootArgsVersion1)
- return;
do
{
vm_offset_t vm_size, vm_addr;
vm_size = (vm_offset_t)i386_ptob((uint32_t)mptr->NumberOfPages);
vm_addr = (vm_offset_t) mptr->VirtualStart;
+#ifdef __x86_64__
+ /* K64 on EFI32 */
+ if (vm_addr < VM_MIN_KERNEL_ADDRESS)
+ vm_addr |= VM_MIN_KERNEL_ADDRESS;
+#endif
phys_addr = (vm_map_offset_t) mptr->PhysicalStart;
kprintf("mapping[%u] %qx @ %lx, %llu\n", mptr->Type, phys_addr, (unsigned long)vm_addr, mptr->NumberOfPages);
vm_size = (vm_offset_t)i386_ptob((uint32_t)mptr->NumberOfPages);
vm_addr = (vm_offset_t) mptr->VirtualStart;
+#ifdef __x86_64__
+ if (vm_addr < VM_MIN_KERNEL_ADDRESS)
+ vm_addr |= VM_MIN_KERNEL_ADDRESS;
+#endif
phys_addr = (vm_map_offset_t) mptr->PhysicalStart;
kprintf("mapping[%u] %qx @ %lx, %llu\n", mptr->Type, phys_addr, (unsigned long)vm_addr, mptr->NumberOfPages);
-#if defined(__i386__)
- pmap_map
-#elif defined(__x86_64__)
- pmap_map_bd /* K64todo resolve pmap layer inconsistency */
-#endif
- (vm_addr, phys_addr, phys_addr + round_page(vm_size),
+ pmap_map(vm_addr, phys_addr, phys_addr + round_page(vm_size),
(mptr->Type == kEfiRuntimeServicesCode) ? VM_PROT_READ | VM_PROT_EXECUTE : VM_PROT_READ|VM_PROT_WRITE,
(mptr->Type == EfiMemoryMappedIO) ? VM_WIMG_IO : VM_WIMG_USE_DEFAULT);
}
}
- if ((args->Version != kBootArgsVersion1) || (args->Version == kBootArgsVersion1 && args->Revision < kBootArgsRevision1_5 ))
+ if (args->Version != kBootArgsVersion2)
panic("Incompatible boot args version %d revision %d\n", args->Version, args->Revision);
kprintf("Boot args version %d revision %d mode %d\n", args->Version, args->Revision, args->efiMode);
*/
clock_config();
+#if CONFIG_MTRR
/*
* Initialize MTRR from boot processor.
*/
* Set up PAT for boot processor.
*/
pat_init();
+#endif
/*
* Free lowmem pages and complete other setup
/* For use with the MP rendezvous mechanism
*/
+uint64_t panic_restart_timeout = ~(0ULL);
+
static void
-machine_halt_cpu(__unused void *arg) {
+machine_halt_cpu(void) {
panic_io_port_read();
+
+ if (panic_restart_timeout != ~(0ULL)) {
+ uint64_t deadline = mach_absolute_time() + panic_restart_timeout;
+ while (mach_absolute_time() < deadline) {
+ cpu_pause();
+ }
+ kprintf("Invoking PE_halt_restart\n");
+ /* Attempt restart via ACPI RESET_REG; at the time of this
+ * writing, this is routine is chained through AppleSMC->
+ * AppleACPIPlatform
+ */
+ if (PE_halt_restart)
+ (*PE_halt_restart)(kPERestartCPU);
+ }
pmCPUHalt(PM_HALT_DEBUG);
}
{
unsigned long pi_size = 0;
void *stackptr;
+ int cn = cpu_number();
hw_atomic_add(&debug_mode, 1);
if (!panic_is_inited) {
asm("hlt");
}
-
printf("Debugger called: <%s>\n", message);
kprintf("Debugger called: <%s>\n", message);
#endif
/* Print backtrace - callee is internally synchronized */
- panic_i386_backtrace(stackptr, 32, NULL, FALSE, NULL);
+ panic_i386_backtrace(stackptr, ((panic_double_fault_cpu == cn) ? 80: 48), NULL, FALSE, NULL);
/* everything should be printed now so copy to NVRAM
*/
* since we can subsequently halt the system.
*/
- kprintf("Attempting to commit panic log to NVRAM\n");
+
/* The following sequence is a workaround for:
* <rdar://problem/5915669> SnowLeopard10A67: AppleEFINVRAM should not invoke
* any routines that use floating point (MMX in this case) when saving panic
*/
cr0 = get_cr0();
clear_ts();
-
+
+ kprintf("Attempting to commit panic log to NVRAM\n");
pi_size = PESavePanicInfo((unsigned char *)debug_buf,
(uint32_t)pi_size );
set_cr0(cr0);
+
/* Uncompress in-place, to permit examination of
* the panic log by debuggers.
*/
draw_panic_dialog();
if (!panicDebugging) {
+ unsigned cnum;
/* Clear the MP rendezvous function lock, in the event
* that a panic occurred while in that codepath.
*/
mp_rendezvous_break_lock();
if (PE_reboot_on_panic()) {
- PEHaltRestart(kPEPanicRestartCPU);
+ if (PE_halt_restart)
+ (*PE_halt_restart)(kPERestartCPU);
}
- /* Force all CPUs to disable interrupts and HLT.
- * We've panicked, and shouldn't depend on the
- * PEHaltRestart() mechanism, which relies on several
- * bits of infrastructure.
+ /* Non-maskably interrupt all other processors
+ * If a restart timeout is specified, this processor
+ * will attempt a restart.
*/
- mp_rendezvous_no_intrs(machine_halt_cpu, NULL);
+ kprintf("Invoking machine_halt_cpu on CPU %d\n", cn);
+ for (cnum = 0; cnum < real_ncpus; cnum++) {
+ if (cnum != (unsigned) cn) {
+ cpu_NMI_interrupt(cnum);
+ }
+ }
+ machine_halt_cpu();
/* NOT REACHED */
}
}
return buf;
}
-
-struct pasc {
- unsigned a: 7;
- unsigned b: 7;
- unsigned c: 7;
- unsigned d: 7;
- unsigned e: 7;
- unsigned f: 7;
- unsigned g: 7;
- unsigned h: 7;
-} __attribute__((packed));
-
-typedef struct pasc pasc_t;
-
/* Routines for address - symbol translation. Not called unless the "keepsyms"
* boot-arg is supplied.
*/
static int
-panic_print_macho_symbol_name(kernel_mach_header_t *mh, vm_address_t search)
+panic_print_macho_symbol_name(kernel_mach_header_t *mh, vm_address_t search, const char *module_name)
{
kernel_nlist_t *sym = NULL;
struct load_command *cmd;
orig_le = orig_sg;
else if (strncmp("", orig_sg->segname,
sizeof(orig_sg->segname)) == 0)
- orig_ts = orig_sg; /* kexts have a single unnamed segment */
+ orig_ts = orig_sg; /* pre-Lion i386 kexts have a single unnamed segment */
}
else if (cmd->cmd == LC_SYMTAB)
orig_st = (struct symtab_command *) cmd;
if ((orig_ts == NULL) || (orig_st == NULL) || (orig_le == NULL))
return 0;
- /* kexts don't have a LINKEDIT segment for now, so we'll never get this far for kexts */
-
- vm_offset_t slide = ((vm_address_t)mh) - orig_ts->vmaddr;
- if (slide != 0)
- search -= slide; /* adjusting search since the binary has slid */
-
if ((search < orig_ts->vmaddr) ||
(search >= orig_ts->vmaddr + orig_ts->vmsize)) {
/* search out of range for this mach header */
if (bestsym != NULL) {
if (diff != 0) {
- kdb_printf("%s + 0x%lx", bestsym, (unsigned long)diff);
+ kdb_printf("%s : %s + 0x%lx", module_name, bestsym, (unsigned long)diff);
} else {
- kdb_printf("%s", bestsym);
+ kdb_printf("%s : %s", module_name, bestsym);
}
return 1;
}
static void
panic_print_kmod_symbol_name(vm_address_t search)
{
- kmod_info_t * current_kmod = kmod;
-
- while (current_kmod != NULL) {
- if ((current_kmod->address <= search) &&
- (current_kmod->address + current_kmod->size > search))
+ u_int i;
+
+ if (gLoadedKextSummaries == NULL)
+ return;
+ for (i = 0; i < gLoadedKextSummaries->numSummaries; ++i) {
+ OSKextLoadedKextSummary *summary = gLoadedKextSummaries->summaries + i;
+
+ if ((search >= summary->address) &&
+ (search < (summary->address + summary->size)))
+ {
+ kernel_mach_header_t *header = (kernel_mach_header_t *)(uintptr_t) summary->address;
+ if (panic_print_macho_symbol_name(header, search, summary->name) == 0) {
+ kdb_printf("%s + %llu", summary->name, (unsigned long)search - summary->address);
+ }
break;
- current_kmod = current_kmod->next;
- }
- if (current_kmod != NULL) {
- /* if kexts had symbol table loaded, we'd call search_symbol_name again; alas, they don't */
- kdb_printf("%s + %lu \n", current_kmod->name, (unsigned long)search - current_kmod->address);
+ }
}
}
panic_print_symbol_name(vm_address_t search)
{
/* try searching in the kernel */
- if (panic_print_macho_symbol_name(&_mh_execute_header, search) == 0) {
+ if (panic_print_macho_symbol_name(&_mh_execute_header, search, "mach_kernel") == 0) {
/* that failed, now try to search for the right kext */
panic_print_kmod_symbol_name(search);
}
volatile uint32_t *ppbtcnt = &pbtcnt;
uint64_t bt_tsc_timeout;
boolean_t keepsyms = FALSE;
+ int cn = cpu_number();
- if(pbtcpu != cpu_number()) {
+ if(pbtcpu != cn) {
hw_atomic_add(&pbtcnt, 1);
/* Spin on print backtrace lock, which serializes output
* Continue anyway if a timeout occurs.
*/
- hw_lock_to(&pbtlock, LockTimeOutTSC);
- pbtcpu = cpu_number();
+ hw_lock_to(&pbtlock, LockTimeOutTSC*2);
+ pbtcpu = cn;
}
PE_parse_boot_argn("keepsyms", &keepsyms, sizeof (keepsyms));
kdb_printf("Backtrace (CPU %d), "
#if PRINT_ARGS_FROM_STACK_FRAME
- "Frame : Return Address (4 potential args on stack)\n", cpu_number());
+ "Frame : Return Address (4 potential args on stack)\n", cn);
#else
- "Frame : Return Address\n", cpu_number());
+ "Frame : Return Address\n", cn);
#endif
for (frame_index = 0; frame_index < nframes; frame_index++) {
}
if (!kvtophys(curframep) ||
- !kvtophys(curframep + sizeof(cframe_t))) {
+ !kvtophys(curframep + sizeof(cframe_t) - 1)) {
kdb_printf("No mapping exists for frame pointer\n");
goto invalid;
}
bt_tsc_timeout = rdtsc64() + PBT_TIMEOUT_CYCLES;
while(*ppbtcnt && (rdtsc64() < bt_tsc_timeout));
}
-
-void *apic_table = NULL;
projects / apple / xnu.git / blobdiff