X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/55e303ae13a4cf49d70f2294092726f2fffb9ef2..89b3af67bb32e691275bf6fa803d1834b2284115:/pexpert/i386/pe_init.c diff --git a/pexpert/i386/pe_init.c b/pexpert/i386/pe_init.c index be649de98..f85167df9 100644 --- a/pexpert/i386/pe_init.c +++ b/pexpert/i386/pe_init.c @@ -1,16 +1,19 @@ /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * 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. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * 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. + * + * 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 @@ -20,7 +23,7 @@ * 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 @@ -34,6 +37,7 @@ #include #include #include +#include #include "fakePPCStructs.h" #include "fakePPCDeviceTree.h" @@ -43,19 +47,19 @@ 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; - /* private globals */ PE_state_t PE_state; dt_data gMemoryMapNode; dt_data gDriversProp; +dt_data gRootpathProp; +dt_data gCompatibleProp; /* Clock Frequency Info */ clock_frequency_info_t gPEClockFrequencyInfo; +void *gPEEFISystemTable = 0; +void *gPEEFIRuntimeServices = 0; + int PE_initialize_console( PE_Video * info, int op ) { static int last_console = -1; @@ -66,15 +70,19 @@ int PE_initialize_console( PE_Video * info, int op ) * Refuse changes from outside pexpert. * The video mode setup by the booter cannot be changed. */ - if ( info && (info == &PE_state.video) ) + if ( info ) { - bootInfo.v_baseAddr = PE_fb_vaddr; + bootInfo.v_baseAddr = info->v_baseAddr; 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 == &PE_state.video) { + bootInfo.v_display = info->v_display; + } else { + bootInfo.v_display = GRAPHICS_MODE; + } } else bInfo = 0; @@ -83,19 +91,16 @@ int PE_initialize_console( PE_Video * info, int op ) case kPEDisableScreen: initialize_screen((void *) bInfo, op); -#ifdef FIXME - last_console = switch_to_serial_console(); -#endif kprintf("kPEDisableScreen %d\n", last_console); + if (!console_is_serial()) + last_console = switch_to_serial_console(); break; case kPEEnableScreen: initialize_screen((void *) bInfo, op); kprintf("kPEEnableScreen %d\n", last_console); -#ifdef FIXME if( last_console != -1) switch_to_old_console( last_console); -#endif break; default: @@ -108,9 +113,7 @@ int PE_initialize_console( PE_Video * info, int op ) void PE_init_iokit(void) { - long * dt; - int i; - KernelBootArgs_t *kap = (KernelBootArgs_t *)PE_state.bootArgs; + enum { kMaxBootVar = 128 }; typedef struct { char name[32]; @@ -118,72 +121,50 @@ void PE_init_iokit(void) unsigned long value[2]; } DriversPackageProp; + boolean_t bootClutInitialized = FALSE; + boolean_t norootInitialized = FALSE; + DTEntry entry; + int size; + void ** map; + 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. */ + boot_progress_element * bootPict; - gDriversProp.length = kap->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 < kap->numBootDrivers; i++, prop++ ) - { - switch ( kap->driverConfig[i].type ) - { - case kBootDriverTypeKEXT: - sprintf(prop->name, "Driver-%lx", kap->driverConfig[i].address); - break; - - case kBootDriverTypeMKEXT: - sprintf(prop->name, "DriversPackage-%lx", kap->driverConfig[i].address); - break; - - default: - sprintf(prop->name, "DriverBogus-%lx", kap->driverConfig[i].address); - break; - } - prop->length = sizeof(prop->value); - prop->value[0] = kap->driverConfig[i].address; - prop->value[1] = kap->driverConfig[i].size; + if( kSuccess == DTLookupEntry(0, "/chosen/memory-map", &entry)) { + if( kSuccess == DTGetProperty(entry, "BootCLUT", (void **) &map, &size)) { + bcopy( map[0], appleClut8, sizeof(appleClut8) ); + bootClutInitialized = TRUE; } - *gMemoryMapNode.address = kap->numBootDrivers + 1; + 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; + } } - /* 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); - - /* - * Setup the OpenFirmware Device Tree routines - * so the console can be found and the right I/O space - * can be used.. - */ - DTInit(dt); - - /* - * Fetch the CLUT and the noroot image. - */ - bcopy( (void *) bootClut, appleClut8, sizeof(appleClut8) ); + if (!bootClutInitialized) { + 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; + } /* * Initialize the panic UI @@ -196,62 +177,50 @@ void PE_init_iokit(void) vc_progress_initialize( &default_progress, default_progress_data, (unsigned char *) appleClut8 ); - (void) StartIOKit( (void*)dt, PE_state.bootArgs, 0, 0); + (void) StartIOKit( PE_state.deviceTreeHead, PE_state.bootArgs, gPEEFIRuntimeServices, 0); } -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) - { - KernelBootArgs_t *kap = (KernelBootArgs_t *) args; + boot_args *args = (boot_args *)_args; + if (PE_state.initialized == FALSE) { PE_state.initialized = TRUE; - PE_state.bootArgs = args; - PE_state.video.v_baseAddr = kap->video.v_baseAddr; - PE_state.video.v_rowBytes = kap->video.v_rowBytes; - PE_state.video.v_height = kap->video.v_height; - PE_state.video.v_width = kap->video.v_width; - PE_state.video.v_depth = kap->video.v_depth; - PE_state.video.v_display = kap->video.v_display; - PE_fb_mode = kap->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 = 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; + strcpy( PE_state.video.v_pixelFormat, "PPPPPPPP"); } - if (!vm_initialized) - { + if (!vm_initialized) { /* Hack! FIXME.. */ outb(0x21, 0xff); /* Maskout all interrupts Pic1 */ outb(0xa1, 0xff); /* Maskout all interrupts Pic2 */ - pe_identify_machine(args); + if (PE_state.deviceTreeHead) { + DTInit(PE_state.deviceTreeHead); } - else - { + + pe_identify_machine(args); + } else { + DTEntry entry; + void *ptr; + uint32_t size; + pe_init_debug(); } } 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 ); @@ -261,32 +230,16 @@ int PE_current_console( PE_Video * info ) { *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); } -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 ) vc_display_icon( &default_noroot, default_noroot_data ); } -extern boolean_t PE_get_hotkey( unsigned char key ) +extern boolean_t PE_get_hotkey( __unused unsigned char key ) { return (FALSE); } @@ -325,30 +278,11 @@ void PE_call_timebase_callback(void) 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 -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 */