X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/c0fea4742e91338fffdcf79f86a7c1d5e2b97eb1..8ad349bb6ed4a0be06e34c92be0d98b92e078db4:/pexpert/i386/pe_init.c diff --git a/pexpert/i386/pe_init.c b/pexpert/i386/pe_init.c index 82247037d..4c22bf8e8 100644 --- a/pexpert/i386/pe_init.c +++ b/pexpert/i386/pe_init.c @@ -1,23 +1,31 @@ /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_LICENSE_OSREFERENCE_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 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, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. - * - * @APPLE_LICENSE_HEADER_END@ + * 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. + * + * 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, + * 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_OSREFERENCE_HEADER_END@ */ /* * file: pe_init.c @@ -31,7 +39,6 @@ #include #include #include -#include #include "fakePPCStructs.h" #include "fakePPCDeviceTree.h" @@ -41,6 +48,9 @@ extern void pe_identify_machine(void * args); extern void initialize_screen(void *, unsigned int); +/* Local references */ +static int PE_fb_mode = TEXT_MODE; + /* private globals */ PE_state_t PE_state; dt_data gMemoryMapNode; @@ -51,9 +61,6 @@ 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; @@ -73,7 +80,7 @@ int PE_initialize_console( PE_Video * info, int op ) bootInfo.v_depth = info->v_depth; bInfo = &bootInfo; if (info == &PE_state.video) { - bootInfo.v_display = info->v_display; + bootInfo.v_display = PE_fb_mode; } else { bootInfo.v_display = GRAPHICS_MODE; } @@ -85,16 +92,19 @@ 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: @@ -107,7 +117,11 @@ 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 }; + char *rdValue, *platformValue; typedef struct { char name[32]; @@ -115,50 +129,98 @@ 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()); - /* - * Fetch the CLUT and the noroot image. + * Update the fake device tree with the driver information provided by + * the booter. */ - boot_progress_element * bootPict; - if( kSuccess == DTLookupEntry(0, "/chosen/memory-map", &entry)) { - if( kSuccess == DTGetProperty(entry, "BootCLUT", (void **) &map, &size)) { - bcopy( map[0], appleClut8, sizeof(appleClut8) ); - bootClutInitialized = TRUE; + gDriversProp.length = kap->numBootDrivers * sizeof(DriversPackageProp); + gMemoryMapNode.length = 2 * sizeof(long); + + rdValue = kalloc(kMaxBootVar); + if ( PE_parse_boot_arg("rd", rdValue) ) { + if (*rdValue == '*') { + gRootpathProp.address = (rdValue + 1); + } else { + gRootpathProp.address = rdValue; } + strcat(rdValue, ","); + } else { + gRootpathProp.address = rdValue; + rdValue[0] = '\0'; + } + strcat(rdValue, kap->bootFile); + gRootpathProp.length = strlen(rdValue) + 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; - } + platformValue = kalloc(kMaxBootVar); + if ( ! PE_parse_boot_arg("platform", platformValue) ) { + strcpy(platformValue, kDefaultPlatformName); } + gCompatibleProp.address = platformValue; + gCompatibleProp.length = strlen(platformValue) + 1; - if (!bootClutInitialized) { - bcopy( (void *) (uintptr_t) bootClut, (void *) appleClut8, sizeof(appleClut8) ); + dt = (long *) createdt( fakePPCDeviceTree, + &((boot_args*)PE_state.fakePPCBootArgs)->deviceTreeLength ); + + kfree(rdValue, kMaxBootVar); + kfree(platformValue, kMaxBootVar); + + + 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; + } + + *((long *)gMemoryMapNode.address) = kap->numBootDrivers + 1; } - if (!norootInitialized) { + /* Setup powermac_info and powermac_machine_info structures */ + + ((boot_args*)PE_state.fakePPCBootArgs)->deviceTreeP = (unsigned long *) dt; + ((boot_args*)PE_state.fakePPCBootArgs)->topOfKernelData = (unsigned long) 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 *) (uintptr_t) bootClut, (void *) appleClut8, sizeof(appleClut8) ); + default_noroot.width = kFailedBootWidth; default_noroot.height = kFailedBootHeight; default_noroot.dx = 0; default_noroot.dy = kFailedBootOffset; default_noroot_data = failedBootPict; - } /* * Initialize the panic UI @@ -171,50 +233,53 @@ void PE_init_iokit(void) vc_progress_initialize( &default_progress, default_progress_data, (unsigned char *) appleClut8 ); - (void) StartIOKit( PE_state.deviceTreeHead, PE_state.bootArgs, gPEEFIRuntimeServices, 0); + (void) StartIOKit( (void*)dt, PE_state.bootArgs, 0, 0); } -void PE_init_platform(boolean_t vm_initialized, void * _args) +void PE_init_platform(boolean_t vm_initialized, void * args) { - boot_args *args = (boot_args *)_args; + if (PE_state.initialized == FALSE) + { + KernelBootArgs_t *kap = (KernelBootArgs_t *) args; - if (PE_state.initialized == FALSE) { PE_state.initialized = TRUE; - - // 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"); + 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; + } } - if (!vm_initialized) { + 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 { - DTEntry entry; - void *ptr; - uint32_t size; - + } + else + { pe_init_debug(); } } void PE_create_console( void ) { - if ( PE_state.video.v_display == GRAPHICS_MODE ) + if ( PE_state.video.v_display ) PE_initialize_console( &PE_state.video, kPEGraphicsMode ); else PE_initialize_console( &PE_state.video, kPETextMode ); @@ -224,6 +289,22 @@ 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); }