00001 /* 00002 * Copyright (C) 2006 Martin Decky 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 00009 * - Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * - Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * - The name of the author may not be used to endorse or promote products 00015 * derived from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 00018 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00019 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 00020 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 00021 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 00022 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00023 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00024 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00025 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00026 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 */ 00028 00035 #include <arch.h> 00036 #include <arch/boot/boot.h> 00037 #include <arch/mm/memory_init.h> 00038 #include <arch/interrupt.h> 00039 #include <genarch/fb/fb.h> 00040 #include <userspace.h> 00041 #include <proc/uarg.h> 00042 #include <console/console.h> 00043 00044 bootinfo_t bootinfo; 00045 00046 void arch_pre_main(void) 00047 { 00048 /* Setup usermode */ 00049 init.cnt = bootinfo.taskmap.count; 00050 00051 __u32 i; 00052 00053 for (i = 0; i < bootinfo.taskmap.count; i++) { 00054 init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); 00055 init.tasks[i].size = bootinfo.taskmap.tasks[i].size; 00056 } 00057 } 00058 00059 void arch_pre_mm_init(void) 00060 { 00061 /* Initialize dispatch table */ 00062 interrupt_init(); 00063 00064 /* Start decrementer */ 00065 start_decrementer(); 00066 } 00067 00068 void arch_post_mm_init(void) 00069 { 00070 if (config.cpu_active == 1) { 00071 fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); 00072 00073 /* Merge all zones to 1 big zone */ 00074 zone_merge_all(); 00075 } 00076 } 00077 00078 void arch_pre_smp_init(void) 00079 { 00080 memory_print_map(); 00081 } 00082 00083 void arch_post_smp_init(void) 00084 { 00085 } 00086 00087 void calibrate_delay_loop(void) 00088 { 00089 } 00090 00091 void userspace(uspace_arg_t *kernel_uarg) 00092 { 00093 userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry); 00094 00095 /* Unreachable */ 00096 for (;;) 00097 ; 00098 } 00099 00103 void arch_grab_console(void) 00104 { 00105 } 00109 void arch_release_console(void) 00110 { 00111 } 00112