ppc64.c

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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 

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