* file: pe_init.c
* i386 platform expert initialization.
*/
+
#include <sys/types.h>
#include <mach/vm_param.h>
+#include <machine/machine_routines.h>
#include <pexpert/protos.h>
#include <pexpert/pexpert.h>
#include <pexpert/boot.h>
#include <kern/sched_prim.h>
#include <kern/debug.h>
+#if CONFIG_CSR
+#include <sys/csr.h>
+#endif
+
#include "boot_images.h"
/* extern references */
extern void pe_identify_machine(void * args);
-
+extern int kdb_printf(const char *format, ...) __printflike(1,2);
/* private globals */
PE_state_t PE_state;
void *gPEEFISystemTable;
void *gPEEFIRuntimeServices;
+static boot_icon_element* norootIcon_lzss;
+static const uint8_t* norootClut_lzss;
+
int PE_initialize_console( PE_Video * info, int op )
{
static int last_console = -1;
case kPEEnableScreen:
initialize_screen(info, op);
+ if (info) PE_state.video = *info;
kprintf("kPEEnableScreen %d\n", last_console);
if( last_console != -1)
switch_to_old_console( last_console);
break;
+ case kPEBaseAddressChange:
+ if (info) PE_state.video = *info;
+ /* fall thru */
+
default:
initialize_screen(info, op);
break;
{
enum { kMaxBootVar = 128 };
- typedef struct {
- char name[32];
- unsigned long length;
- unsigned long value[2];
- } DriversPackageProp;
-
boolean_t bootClutInitialized = FALSE;
- boolean_t norootInitialized = FALSE;
+ boolean_t noroot_rle_Initialized = FALSE;
+
DTEntry entry;
unsigned int size;
- void ** map;
+ uint32_t *map;
boot_progress_element *bootPict;
+ norootIcon_lzss = NULL;
+ norootClut_lzss = NULL;
+
PE_init_kprintf(TRUE);
PE_init_printf(TRUE);
*/
if( kSuccess == DTLookupEntry(NULL, "/chosen/memory-map", &entry)) {
- if( kSuccess == DTGetProperty(entry, "BootCLUT", (void **) &map, &size)) {
- bcopy( map[0], appleClut8, sizeof(appleClut8) );
- bootClutInitialized = TRUE;
+ if( kSuccess == DTGetProperty(entry, "BootCLUT", (void **) &map, &size)) {
+ if (sizeof(appleClut8) <= map[1]) {
+ bcopy( (void *)ml_static_ptovirt(map[0]), appleClut8, sizeof(appleClut8) );
+ bootClutInitialized = TRUE;
+ }
}
- if( kSuccess == DTGetProperty(entry, "Pict-FailedBoot", (void **) &map, &size)) {
- bootPict = (boot_progress_element *) map[0];
- default_noroot.width = bootPict->width;
- default_noroot.height = bootPict->height;
- default_noroot.dx = 0;
- default_noroot.dy = bootPict->yOffset;
- default_noroot_data = &bootPict->data[0];
- norootInitialized = TRUE;
- }
+ if( kSuccess == DTGetProperty(entry, "Pict-FailedBoot", (void **) &map, &size)) {
+ bootPict = (boot_progress_element *) ml_static_ptovirt(map[0]);
+ default_noroot.width = bootPict->width;
+ default_noroot.height = bootPict->height;
+ default_noroot.dx = 0;
+ default_noroot.dy = bootPict->yOffset;
+ default_noroot_data = &bootPict->data[0];
+ noroot_rle_Initialized = TRUE;
+ }
+
+ if( kSuccess == DTGetProperty(entry, "FailedCLUT", (void **) &map, &size)) {
+ norootClut_lzss = (uint8_t*) ml_static_ptovirt(map[0]);
+ }
+
+ if( kSuccess == DTGetProperty(entry, "FailedImage", (void **) &map, &size)) {
+ norootIcon_lzss = (boot_icon_element *) ml_static_ptovirt(map[0]);
+ if (norootClut_lzss == NULL) {
+ printf("ERROR: No FailedCLUT provided for noroot icon!\n");
+ }
+ }
}
if (!bootClutInitialized) {
- bcopy( (void *) (uintptr_t) bootClut, (void *) appleClut8, sizeof(appleClut8) );
+ bcopy( (void *) (uintptr_t) bootClut, (void *) appleClut8, sizeof(appleClut8) );
}
- if (!norootInitialized) {
- default_noroot.width = kFailedBootWidth;
- default_noroot.height = kFailedBootHeight;
- default_noroot.dx = 0;
- default_noroot.dy = kFailedBootOffset;
- default_noroot_data = failedBootPict;
+ if (!noroot_rle_Initialized) {
+ default_noroot.width = kFailedBootWidth;
+ default_noroot.height = kFailedBootHeight;
+ default_noroot.dx = 0;
+ default_noroot.dy = kFailedBootOffset;
+ default_noroot_data = failedBootPict;
}
- /*
- * Initialize the panic UI
- */
- panic_ui_initialize( (unsigned char *) appleClut8 );
-
/*
* Initialize the spinning wheel (progress indicator).
*/
- vc_progress_initialize( &default_progress, default_progress_data,
- (unsigned char *) appleClut8 );
+ vc_progress_initialize(&default_progress,
+ default_progress_data1x,
+ default_progress_data2x,
+ default_progress_data3x,
+ (unsigned char *) appleClut8);
- (void) StartIOKit( PE_state.deviceTreeHead, PE_state.bootArgs, gPEEFIRuntimeServices, NULL);
+ StartIOKit( PE_state.deviceTreeHead, PE_state.bootArgs, gPEEFIRuntimeServices, NULL);
}
void PE_init_platform(boolean_t vm_initialized, void * _args)
// New EFI-style
PE_state.bootArgs = _args;
- PE_state.deviceTreeHead = (void *) args->deviceTreeP;
- PE_state.video.v_baseAddr = args->Video.v_baseAddr;
- PE_state.video.v_rowBytes = args->Video.v_rowBytes;
- PE_state.video.v_width = args->Video.v_width;
- PE_state.video.v_height = args->Video.v_height;
- PE_state.video.v_depth = args->Video.v_depth;
- PE_state.video.v_display = args->Video.v_display;
- strlcpy(PE_state.video.v_pixelFormat, "PPPPPPPP",
- sizeof(PE_state.video.v_pixelFormat));
+ PE_state.deviceTreeHead = (void *) ml_static_ptovirt(args->deviceTreeP);
+ if (args->Video.v_baseAddr) {
+ PE_state.video.v_baseAddr = args->Video.v_baseAddr; // remains physical address
+ PE_state.video.v_rowBytes = args->Video.v_rowBytes;
+ PE_state.video.v_width = args->Video.v_width;
+ PE_state.video.v_height = args->Video.v_height;
+ PE_state.video.v_depth = args->Video.v_depth;
+ PE_state.video.v_display = args->Video.v_display;
+ strlcpy(PE_state.video.v_pixelFormat, "PPPPPPPP",
+ sizeof(PE_state.video.v_pixelFormat));
+ } else {
+ PE_state.video.v_baseAddr = args->VideoV1.v_baseAddr; // remains physical address
+ PE_state.video.v_rowBytes = args->VideoV1.v_rowBytes;
+ PE_state.video.v_width = args->VideoV1.v_width;
+ PE_state.video.v_height = args->VideoV1.v_height;
+ PE_state.video.v_depth = args->VideoV1.v_depth;
+ PE_state.video.v_display = args->VideoV1.v_display;
+ strlcpy(PE_state.video.v_pixelFormat, "PPPPPPPP",
+ sizeof(PE_state.video.v_pixelFormat));
+ }
+
+#ifdef kBootArgsFlagHiDPI
+ if (args->flags & kBootArgsFlagHiDPI)
+ PE_state.video.v_scale = kPEScaleFactor2x;
+ else
+ PE_state.video.v_scale = kPEScaleFactor1x;
+#else
+ PE_state.video.v_scale = kPEScaleFactor1x;
+#endif
}
if (!vm_initialized) {
- /* Hack! FIXME.. */
- outb(0x21, 0xff); /* Maskout all interrupts Pic1 */
- outb(0xa1, 0xff); /* Maskout all interrupts Pic2 */
-
+
if (PE_state.deviceTreeHead) {
DTInit(PE_state.deviceTreeHead);
- }
+ }
pe_identify_machine(args);
- } else {
pe_init_debug();
}
+
}
void PE_create_console( void )
void PE_display_icon( __unused unsigned int flags, __unused const char * name )
{
- if ( default_noroot_data )
+ if ( norootIcon_lzss && norootClut_lzss ) {
+ uint32_t width = norootIcon_lzss->width;
+ uint32_t height = norootIcon_lzss->height;
+ uint32_t x = ((PE_state.video.v_width - width) / 2);
+ uint32_t y = ((PE_state.video.v_height - height) / 2) + norootIcon_lzss->y_offset_from_center;
+
+ vc_display_lzss_icon(x, y, width, height,
+ &norootIcon_lzss->data[0],
+ norootIcon_lzss->data_size,
+ norootClut_lzss);
+ }
+ else if ( default_noroot_data ) {
vc_display_icon( &default_noroot, default_noroot_data );
+ } else {
+ printf("ERROR: No data found for noroot icon!\n");
+ }
}
boolean_t
int (*PE_poll_input)(unsigned int options, char * c)
= PE_stub_poll_input;
+boolean_t
+PE_reboot_on_panic(void)
+{
+ boot_args *args = (boot_args *)PE_state.bootArgs;
+
+ if (args->flags & kBootArgsFlagRebootOnPanic)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+void
+PE_sync_panic_buffers(void)
+{
+}
+
+/* rdar://problem/21244753 */
+uint32_t
+PE_i_can_has_debugger(uint32_t *debug_flags)
+{
+#if DEVELOPMENT || DEBUG
+ if (debug_flags) {
+ assert(debug_boot_arg_inited);
+ }
+#endif
+
+#if CONFIG_CSR
+ if (csr_check(CSR_ALLOW_KERNEL_DEBUGGER) != 0) {
+ if (debug_flags)
+ *debug_flags = 0;
+ return FALSE;
+ }
+#endif
+ if (debug_flags) {
+ *debug_flags = debug_boot_arg;
+ }
+ return TRUE;
+}
+
+uint32_t
+PE_get_offset_into_panic_region(char *location)
+{
+ assert(panic_info != NULL);
+ assert(location > (char *) panic_info);
+
+ return (uint32_t) (location - (char *) panic_info);
+}
+
+void
+PE_init_panicheader()
+{
+ bzero(panic_info, offsetof(struct macos_panic_header, mph_data));
+ panic_info->mph_panic_log_offset = PE_get_offset_into_panic_region(debug_buf_base);
+ panic_info->mph_magic = MACOS_PANIC_MAGIC;
+ panic_info->mph_version = MACOS_PANIC_HEADER_CURRENT_VERSION;
+ return;
+}
+
+/*
+ * Tries to update the panic header to keep it consistent on nested panics.
+ *
+ * NOTE: The purpose of this function is NOT to detect/correct corruption in the panic region,
+ * it is to update the panic header to make it consistent when we nest panics.
+ *
+ * We try to avoid nested panics/asserts on x86 because they are difficult to debug, so log any
+ * inconsistencies we find.
+ */
+void
+PE_update_panicheader_nestedpanic()
+{
+ /* If the panic log offset is not set, re-init the panic header */
+ if (panic_info->mph_panic_log_offset == 0) {
+ PE_init_panicheader();
+ panic_info->mph_panic_flags |= MACOS_PANIC_HEADER_FLAG_NESTED_PANIC;
+ return;
+ }
+
+ panic_info->mph_panic_flags |= MACOS_PANIC_HEADER_FLAG_NESTED_PANIC;
+
+ /* Usually indicative of corruption in the panic region */
+ if(!(((panic_info->mph_stackshot_offset == 0) && (panic_info->mph_stackshot_len == 0)) ||
+ ((panic_info->mph_stackshot_offset != 0) && (panic_info->mph_stackshot_len != 0)))) {
+ kdb_printf("panic_info contains invalid stackshot metadata: mph_stackshot_offset 0x%x mph_stackshot_len 0x%x\n",
+ panic_info->mph_stackshot_offset, panic_info->mph_stackshot_len);
+ }
+
+ /*
+ * macOS panic logs contain nested panic data, if we've already closed the panic log,
+ * begin the other log.
+ */
+ if ((panic_info->mph_panic_log_len != 0) && (panic_info->mph_other_log_offset == 0)) {
+ panic_info->mph_other_log_offset = PE_get_offset_into_panic_region(debug_buf_ptr);
+
+ /* Usually indicative of corruption in the panic region */
+ if (panic_info->mph_other_log_len != 0) {
+ kdb_printf("panic_info contains invalid other log metadata (zero offset but non-zero length), length was 0x%x, zeroing value\n",
+ panic_info->mph_other_log_len);
+ panic_info->mph_other_log_len = 0;
+ }
+ }
+
+ return;
+}
projects / apple / xnu.git / blobdiff