xnu-3248.60.10.tar.gz

[apple/xnu.git] / pexpert / i386 / pe_init.c

diff --git a/pexpert/i386/pe_init.c b/pexpert/i386/pe_init.c
index 6e8001e6fc30b1a7325ced4815e5d12a42d6427b..35d44a25c20c746a37937392a1a6f34a5c731452 100644 (file)
--- a/pexpert/i386/pe_init.c
+++ b/pexpert/i386/pe_init.c
@@ -1,103 +1,100 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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 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.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
  * 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.
+ * 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_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  * file: pe_init.c
  *    i386 platform expert initialization.
  */
  */
 /*
  * file: pe_init.c
  *    i386 platform expert initialization.
  */

+

 #include <sys/types.h>
 #include <mach/vm_param.h>
 #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 <pexpert/device_tree.h>
 #include <pexpert/pe_images.h>
 #include <kern/sched_prim.h>
 #include <pexpert/protos.h>
 #include <pexpert/pexpert.h>
 #include <pexpert/boot.h>
 #include <pexpert/device_tree.h>
 #include <pexpert/pe_images.h>
 #include <kern/sched_prim.h>

+#include <kern/debug.h>
+
+#if CONFIG_CSR
+#include <sys/csr.h>
+#endif

 
 

-#include "fakePPCStructs.h"
-#include "fakePPCDeviceTree.h"

 #include "boot_images.h"
 
 /* extern references */
 extern void pe_identify_machine(void * args);
 #include "boot_images.h"
 
 /* extern references */
 extern void pe_identify_machine(void * args);

-extern void initialize_screen(void *, unsigned int);
-
-/* Local references */
-static vm_offset_t mapframebuffer(caddr_t,int);
-static vm_offset_t PE_fb_vaddr = 0;
-static int         PE_fb_mode  = TEXT_MODE;
-static KERNBOOTSTRUCT * PE_kbp = 0;

 
 /* private globals */
 PE_state_t  PE_state;
 
 /* private globals */
 PE_state_t  PE_state;

-dt_data     gMemoryMapNode;
-dt_data     gDriversProp;

 
 /* Clock Frequency Info */
 clock_frequency_info_t gPEClockFrequencyInfo;
 
 
 /* Clock Frequency Info */
 clock_frequency_info_t gPEClockFrequencyInfo;
 

+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;
 int PE_initialize_console( PE_Video * info, int op )
 {
     static int   last_console = -1;

-    Boot_Video   bootInfo;
-    Boot_Video * bInfo;

 
 

-    /*
-     * Refuse changes from outside pexpert.
-     * The video mode setup by the booter cannot be changed.
-     */
-    if ( info && (info == &PE_state.video) )
-    {
-        bootInfo.v_baseAddr     = PE_fb_vaddr;
-        bootInfo.v_rowBytes     = info->v_rowBytes;
-        bootInfo.v_width     = info->v_width;
-        bootInfo.v_height    = info->v_height;
-        bootInfo.v_depth     = info->v_depth;
-        bootInfo.v_display   = PE_fb_mode;
-        bInfo = &bootInfo;
+    if (info) {
+       info->v_offset  = 0;
+       info->v_length  = 0;
+       info->v_display = GRAPHICS_MODE;

     }
     }

-    else
-        bInfo = 0;

 
     switch ( op ) {
 
         case kPEDisableScreen:
 
     switch ( op ) {
 
         case kPEDisableScreen:

-            initialize_screen((void *) bInfo, op);
-#ifdef FIXME
-            last_console = switch_to_serial_console();
-#endif
+            initialize_screen(info, op);

             kprintf("kPEDisableScreen %d\n", last_console);
             kprintf("kPEDisableScreen %d\n", last_console);

+           if (!console_is_serial())
+               last_console = switch_to_serial_console();

             break;
 
         case kPEEnableScreen:
             break;
 
         case kPEEnableScreen:

-            initialize_screen((void *) bInfo, op);
+            initialize_screen(info, op);
+            if (info) PE_state.video = *info;

             kprintf("kPEEnableScreen %d\n", last_console);
             kprintf("kPEEnableScreen %d\n", last_console);

-#ifdef FIXME

             if( last_console != -1)
                 switch_to_old_console( last_console);
             if( last_console != -1)
                 switch_to_old_console( last_console);

-#endif

             break;
        
             break;
        

+        case kPEBaseAddressChange:
+            if (info) PE_state.video = *info;
+            /* fall thru */
+

         default:
         default:

-            initialize_screen((void *) bInfo, op);
+            initialize_screen(info, op);

             break;
     }
 
             break;
     }
 


@@ -106,145 +103,127 @@ int PE_initialize_console( PE_Video * info, int op )
 
 void PE_init_iokit(void)
 {
 
 void PE_init_iokit(void)
 {

-    long * dt;
-    int    i;
+    enum { kMaxBootVar = 128 };

         
         

-    typedef struct {
-        char            name[32];
-        unsigned long   length;
-        unsigned long   value[2];
-    } DriversPackageProp;
+    boolean_t bootClutInitialized = FALSE;
+    boolean_t noroot_rle_Initialized = FALSE;
+
+    DTEntry             entry;
+    unsigned int       size;
+    uint32_t           *map;
+       boot_progress_element *bootPict;
+
+    norootIcon_lzss = NULL;
+    norootClut_lzss = NULL;
+
+    PE_init_kprintf(TRUE);
+    PE_init_printf(TRUE);
+
+    kprintf("Kernel boot args: '%s'\n", PE_boot_args());

 
     /*
 
     /*

-     * Update the fake device tree with the driver information provided by
-     * the booter.
+     * Fetch the CLUT and the noroot image.

      */
 
      */
 

-       gDriversProp.length   = PE_kbp->numBootDrivers * sizeof(DriversPackageProp);
-    gMemoryMapNode.length = 2 * sizeof(long);
-
-    dt = (long *) createdt( fakePPCDeviceTree,
-                 &((boot_args*)PE_state.fakePPCBootArgs)->deviceTreeLength );
-
-    if ( dt )
-    {
-        DriversPackageProp * prop = (DriversPackageProp *) gDriversProp.address;
-
-        /* Copy driver info in kernBootStruct to fake device tree */
-
-        for ( i = 0; i < PE_kbp->numBootDrivers; i++, prop++ )
-        {
-            switch ( PE_kbp->driverConfig[i].type )
-            {
-                case kBootDriverTypeKEXT:
-                    sprintf(prop->name, "Driver-%lx", PE_kbp->driverConfig[i].address);
-                    break;
-                
-                 case kBootDriverTypeMKEXT:
-                    sprintf(prop->name, "DriversPackage-%lx", PE_kbp->driverConfig[i].address);
-                    break;
-
-                default:
-                    sprintf(prop->name, "DriverBogus-%lx", PE_kbp->driverConfig[i].address);
-                    break;
+    if( kSuccess == DTLookupEntry(NULL, "/chosen/memory-map", &entry)) {
+        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;

             }
             }

-            prop->length   = sizeof(prop->value);
-            prop->value[0] = PE_kbp->driverConfig[i].address;
-            prop->value[1] = PE_kbp->driverConfig[i].size;

         }
 
         }
 

-        *gMemoryMapNode.address = PE_kbp->numBootDrivers + 1;
-    }
-
-    /* Setup powermac_info and powermac_machine_info structures */
-
-    ((boot_args*)PE_state.fakePPCBootArgs)->deviceTreeP        = (unsigned long *) dt;
-    ((boot_args*)PE_state.fakePPCBootArgs)->topOfKernelData    = (unsigned int) kalloc(0x2000);
+        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;
+        }

 
 

-    /* 
-     * Setup the OpenFirmware Device Tree routines
-     * so the console can be found and the right I/O space 
-     * can be used..
-     */
-    DTInit(dt);
+        if( kSuccess == DTGetProperty(entry, "FailedCLUT", (void **) &map, &size)) {
+               norootClut_lzss = (uint8_t*) ml_static_ptovirt(map[0]);
+        }

 
 

-    /*
-     * Fetch the CLUT and the noroot image.
-     */
-    bcopy( bootClut, appleClut8, sizeof(appleClut8) );
+        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");
+            }
+        }
+    }

 
 

-    default_noroot.width  = kFailedBootWidth;
-    default_noroot.height = kFailedBootHeight;
-    default_noroot.dx     = 0;
-    default_noroot.dy     = kFailedBootOffset;
-    default_noroot_data   = failedBootPict;
+    if (!bootClutInitialized) {
+        bcopy( (void *) (uintptr_t) bootClut, (void *) appleClut8, sizeof(appleClut8) );
+    }

 
 

+    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 spinning wheel (progress indicator).
      */
     /*
      * Initialize the spinning wheel (progress indicator).
      */

-    vc_progress_initialize( &default_progress, default_progress_data,
-                            (unsigned char *) appleClut8 );
-
-    PE_initialize_console( (PE_Video *) 0, kPEAcquireScreen );
+    vc_progress_initialize(&default_progress, 
+                           default_progress_data1x,
+                           default_progress_data2x, 
+                           default_progress_data3x, 
+                           (unsigned char *) appleClut8);

 
 

-    (void) StartIOKit( (void*)dt, (void*)PE_state.fakePPCBootArgs, 0, 0);
+    StartIOKit( PE_state.deviceTreeHead, PE_state.bootArgs, gPEEFIRuntimeServices, NULL);

 }
 
 }
 

-void PE_init_platform(boolean_t vm_initialized, void * args)
+void PE_init_platform(boolean_t vm_initialized, void * _args)

 {
 {

-       if (PE_state.initialized == FALSE)
-       {
-        PE_kbp = (KERNBOOTSTRUCT *) args;
+    boot_args *args = (boot_args *)_args;

 
 

+    if (PE_state.initialized == FALSE) {

            PE_state.initialized        = TRUE;
            PE_state.initialized        = TRUE;

-           PE_state.bootArgs           = args;
-           PE_state.video.v_baseAddr   = PE_kbp->video.v_baseAddr;
-           PE_state.video.v_rowBytes   = PE_kbp->video.v_rowBytes;
-           PE_state.video.v_height     = PE_kbp->video.v_height;
-           PE_state.video.v_width      = PE_kbp->video.v_width;
-           PE_state.video.v_depth      = PE_kbp->video.v_depth;
-        PE_state.video.v_display    = PE_kbp->video.v_display;
-        PE_fb_mode                  = PE_kbp->graphicsMode;
-           PE_state.fakePPCBootArgs    = (boot_args *)&fakePPCBootArgs;
-           ((boot_args *)PE_state.fakePPCBootArgs)->machineType        = 386;
-
-        if (PE_fb_mode == TEXT_MODE)
-        {
-            /* Force a text display if the booter did not setup a
-             * VESA frame buffer.
-             */
-            PE_state.video.v_display = 0;
-        }
+
+        // New EFI-style
+        PE_state.bootArgs           = _args;
+        PE_state.deviceTreeHead            = (void *) ml_static_ptovirt(args->deviceTreeP);
+        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));
+
+#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 (!vm_initialized) {
+
+        if (PE_state.deviceTreeHead) {
+            DTInit(PE_state.deviceTreeHead);
+        }
+

         pe_identify_machine(args);
         pe_identify_machine(args);

-       }
-       else
-       {
+    } else {

         pe_init_debug();
         pe_init_debug();

+    }

 
 

-        PE_create_console();
-       }

 }
 
 void PE_create_console( void )
 {
 }
 
 void PE_create_console( void )
 {

-    if ( (PE_fb_vaddr == 0) && (PE_state.video.v_baseAddr != 0) )
-    {
-        PE_fb_vaddr = mapframebuffer((caddr_t) PE_state.video.v_baseAddr,
-                                     (PE_fb_mode == TEXT_MODE)  ?
-                      /* text mode */  PE_state.video.v_rowBytes :
-                      /* grfx mode */  PE_state.video.v_rowBytes *
-                                        PE_state.video.v_height);
-    }
-
-       if (PE_state.video.v_display)
+    if ( PE_state.video.v_display == GRAPHICS_MODE )

         PE_initialize_console( &PE_state.video, kPEGraphicsMode );
     else
         PE_initialize_console( &PE_state.video, kPETextMode );
         PE_initialize_console( &PE_state.video, kPEGraphicsMode );
     else
         PE_initialize_console( &PE_state.video, kPETextMode );


@@ -254,32 +233,31 @@ int PE_current_console( PE_Video * info )
 {
     *info = PE_state.video;
 
 {
     *info = PE_state.video;
 

-    if ( PE_fb_mode == TEXT_MODE )
-    {
-        /*
-         * FIXME: Prevent the IOBootFrameBuffer from starting up
-         * when we are in Text mode.
-         */
-        info->v_baseAddr = 0;
-        
-        /*
-         * Scale the size of the text screen from characters
-         * to pixels.
-         */
-        info->v_width  *= 8;   // CHARWIDTH
-        info->v_height *= 16;  // CHARHEIGHT
-    }
-

     return (0);
 }
 
     return (0);
 }
 

-void PE_display_icon( unsigned int flags, const char * name )
+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 );
         vc_display_icon( &default_noroot, default_noroot_data );

+    } else {
+        printf("ERROR: No data found for noroot icon!\n");
+    }

 }
 
 }
 

-extern boolean_t PE_get_hotkey( unsigned char key )
+boolean_t
+PE_get_hotkey(__unused unsigned char key)

 {
     return (FALSE);
 }
 {
     return (FALSE);
 }


@@ -318,31 +296,11 @@ void PE_call_timebase_callback(void)
   if (gTimebaseCallback) gTimebaseCallback(&timebase_freq);
 }
 
   if (gTimebaseCallback) gTimebaseCallback(&timebase_freq);
 }
 

-/*
- * map the framebuffer into kernel vm and return the (virtual)
- * address.
- */
-static vm_offset_t
-mapframebuffer( caddr_t physaddr,  /* start of framebuffer */
-                int     length)    /* num bytes to map */
-{
-    vm_offset_t vmaddr;
-
-       if (physaddr != (caddr_t)trunc_page(physaddr))
-        panic("Framebuffer not on page boundary");
-
-       vmaddr = io_map((vm_offset_t)physaddr, length);
-       if (vmaddr == 0)
-        panic("can't alloc VM for framebuffer");
-
-    return vmaddr;
-}
-

 /*
  * The default (non-functional) PE_poll_input handler.
  */
 static int
 /*
  * The default (non-functional) PE_poll_input handler.
  */
 static int

-PE_stub_poll_input(unsigned int options, char * c)
+PE_stub_poll_input(__unused unsigned int options, char * c)

 {
     *c = 0xff;
     return 1;  /* 0 for success, 1 for unsupported */
 {
     *c = 0xff;
     return 1;  /* 0 for success, 1 for unsupported */


@@ -355,3 +313,32 @@ PE_stub_poll_input(unsigned int options, char * c)
  */
 int (*PE_poll_input)(unsigned int options, char * c)
        = PE_stub_poll_input;
  */
 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;
+}
+
+/* rdar://problem/21244753 */
+uint32_t
+PE_i_can_has_debugger(uint32_t *debug_flags)
+{
+#if CONFIG_CSR
+       if (csr_check(CSR_ALLOW_KERNEL_DEBUGGER) != 0 &&
+           csr_check(CSR_ALLOW_APPLE_INTERNAL) != 0) {
+               if (debug_flags)
+                       *debug_flags = 0;
+               return FALSE;
+       }
+#endif
+       if (debug_flags) {
+               *debug_flags = debug_boot_arg;
+       }
+       return TRUE;
+}