/*
- * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* Flags used in the following assortment of snapshots.
*/
enum generic_snapshot_flags {
- kUser64_p = 0x1,
- kKernel64_p = 0x2
+ kUser64_p = 0x1, /* Userspace uses 64 bit pointers */
+ kKernel64_p = 0x2 /* The kernel uses 64 bit pointers */
};
#define VM_PRESSURE_TIME_WINDOW 5 /* seconds */
#define KF_MATV_OVRD (0x8)
#define KF_STACKSHOT_OVRD (0x10)
#define KF_COMPRSV_OVRD (0x20)
+#define KF_INTERRUPT_MASKED_DEBUG_OVRD (0x40)
+#define KF_TRAPTRACE_OVRD (0x80)
+#define KF_IOTRACE_OVRD (0x100)
boolean_t kern_feature_override(uint32_t fmask);
#define MACOS_PANIC_HEADER_FLAG_COREDUMP_FAILED 0x200
#define MACOS_PANIC_HEADER_FLAG_STACKSHOT_KERNEL_ONLY 0x400
+/*
+ * Any change to the below structure should mirror the structure defined in MacEFIFirmware
+ * (and vice versa)
+ */
+
+struct efi_aurr_panic_header {
+ uint32_t efi_aurr_magic;
+ uint32_t efi_aurr_crc;
+ uint32_t efi_aurr_version;
+ uint32_t efi_aurr_reset_cause;
+ uint32_t efi_aurr_reset_log_offset;
+ uint32_t efi_aurr_reset_log_len;
+ char efi_aurr_panic_data[];
+} __attribute__((packed));
+
+/*
+ * EXTENDED_/DEBUG_BUF_SIZE can't grow without updates to SMC and iBoot to store larger panic logs on co-processor systems
+ */
+#define EXTENDED_DEBUG_BUF_SIZE 0x0013ff80
+
+#define EFI_AURR_PANIC_STRING_MAX_LEN 112
+#define EFI_AURR_EXTENDED_LOG_SIZE (EXTENDED_DEBUG_BUF_SIZE - sizeof(struct efi_aurr_panic_header) - EFI_AURR_PANIC_STRING_MAX_LEN)
+
+struct efi_aurr_extended_panic_log {
+ char efi_aurr_extended_log_buf[EFI_AURR_EXTENDED_LOG_SIZE];
+ uint32_t efi_aurr_log_tail; /* Circular buffer indices */
+ uint32_t efi_aurr_log_head; /* ditto.. */
+} __attribute__((packed));
+
#endif /* __APPLE_API_UNSTABLE */
#endif /* __APPLE_API_PRIVATE */
__BEGIN_DECLS
-extern void panic(const char *string, ...) __printflike(1, 2);
+__abortlike __printflike(1, 2)
+extern void panic(const char *string, ...);
__END_DECLS
* release bridgeOS.
*/
#define DB_REBOOT_ALWAYS 0x100000 /* Don't wait for debugger connection */
+#define DB_DISABLE_STACKSHOT_TO_DISK 0x200000 /* Disable writing stackshot to local disk */
/*
* Values for a 64-bit mask that's passed to the debugger.
#define DEBUGGER_OPTION_SKIP_LOCAL_COREDUMP 0x80ULL /* don't try to save local coredumps for this panic */
#define DEBUGGER_OPTION_ATTEMPTCOREDUMPANDREBOOT 0x100ULL /* attempt to save coredump. always reboot */
#define DEBUGGER_INTERNAL_OPTION_THREAD_BACKTRACE 0x200ULL /* backtrace the specified thread in the paniclog (x86 only) */
+#define DEBUGGER_OPTION_PRINT_CPU_USAGE_PANICLOG 0x400ULL /* print extra CPU usage data in the panic log */
+#define DEBUGGER_OPTION_SKIP_PANICEND_CALLOUTS 0x800ULL /* (bridgeOS) skip the kPEPanicEnd callouts -- don't wait for x86 to finish sending panic data */
#define DEBUGGER_INTERNAL_OPTIONS_MASK (DEBUGGER_INTERNAL_OPTION_THREAD_BACKTRACE)
#define PANIC_LOCATION __FILE__ ":" LINE_NUMBER(__LINE__)
#if CONFIG_EMBEDDED
-#define panic(ex, ...) (panic)(# ex, ## __VA_ARGS__)
+#define panic(ex, ...) ({ \
+ __asm__("" ::: "memory"); \
+ (panic)(# ex, ## __VA_ARGS__); \
+ })
#else
-#define panic(ex, ...) (panic)(# ex "@" PANIC_LOCATION, ## __VA_ARGS__)
+#define panic(ex, ...) ({ \
+ __asm__("" ::: "memory"); \
+ (panic)(# ex "@" PANIC_LOCATION, ## __VA_ARGS__); \
+ })
#endif
-void panic_with_options(unsigned int reason, void *ctx, uint64_t debugger_options_mask, const char *str, ...);
+__abortlike __printflike(4, 5)
+void panic_with_options(unsigned int reason, void *ctx,
+ uint64_t debugger_options_mask, const char *str, ...);
void Debugger(const char * message);
void populate_model_name(char *);
#if defined (__x86_64__)
struct thread;
-void panic_with_thread_context(unsigned int reason, void *ctx, uint64_t debugger_options_mask, struct thread* th, const char *str, ...);
+__abortlike __printflike(5, 6)
+void panic_with_thread_context(unsigned int reason, void *ctx,
+ uint64_t debugger_options_mask, struct thread* th, const char *str, ...);
#endif
/* limit the max size to a reasonable length */
kern_return_t
stack_snapshot_from_kernel(int pid, void *buf, uint32_t size, uint32_t flags,
uint64_t delta_since_timestamp, unsigned *bytes_traced);
+
+/*
+ * Returns whether on device corefiles are enabled based on the build
+ * and boot configuration.
+ */
+boolean_t on_device_corefile_enabled(void);
+
+/*
+ * Returns whether panic stackshot to disk is enabled based on the build
+ * and boot configuration.
+ */
+boolean_t panic_stackshot_to_disk_enabled(void);
+
#ifdef __cplusplus
}
#endif
#if !CONFIG_EMBEDDED
extern char debug_buf[];
extern boolean_t coprocessor_paniclog_flush;
-extern boolean_t extended_debug_log_enabled;;
+extern boolean_t extended_debug_log_enabled;
#endif /* !CONFIG_EMBEDDED */
extern char *debug_buf_base;
+#if defined(XNU_TARGET_OS_BRIDGE)
+extern uint64_t macos_panic_base;
+extern unsigned int macos_panic_size;
+#endif /* defined(XNU_TARGET_OS_BRIDGE) */
+
extern char kernel_uuid_string[];
extern char panic_disk_error_description[];
extern size_t panic_disk_error_description_size;
extern char *debug_buf_ptr;
extern unsigned int debug_buf_size;
-extern void debug_log_init(void);
-extern void debug_putc(char);
+extern void debug_log_init(void);
+extern void debug_putc(char);
+
+extern void panic_init(void);
+
+/*
+ * Initialize the physical carveout requested with the `phys_carveout_mb`
+ * boot-arg. This should only be called at kernel startup, when physically
+ * contiguous pages are plentiful.
+ */
+extern void phys_carveout_init(void);
+
+extern uintptr_t phys_carveout_pa;
+extern size_t phys_carveout_size;
+
-extern void panic_init(void);
#if defined (__x86_64__)
extern void extended_debug_log_init(void);
int packA(char *inbuf, uint32_t length, uint32_t buflen);
void unpackA(char *inbuf, uint32_t length);
-#if DEVELOPMENT || DEBUG
#define PANIC_STACKSHOT_BUFSIZE (1024 * 1024)
extern uintptr_t panic_stackshot_buf;
+extern size_t panic_stackshot_buf_len;
+
extern size_t panic_stackshot_len;
-#endif /* DEVELOPMENT || DEBUG */
#endif /* defined (__x86_64__) */
void SavePanicInfo(const char *message, void *panic_data, uint64_t panic_options);
projects / apple / xnu.git / blobdiff