00001 /* 00002 * Copyright (C) 2001-2004 Jakub Jermar 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 00037 #include <arch/types.h> 00038 #include <typedefs.h> 00039 00040 #include <arch/pm.h> 00041 00042 #include <arch/drivers/ega.h> 00043 #include <arch/drivers/vesa.h> 00044 #include <genarch/i8042/i8042.h> 00045 #include <arch/drivers/i8254.h> 00046 #include <arch/drivers/i8259.h> 00047 00048 #include <arch/context.h> 00049 00050 #include <config.h> 00051 00052 #include <arch/interrupt.h> 00053 #include <arch/asm.h> 00054 #include <genarch/acpi/acpi.h> 00055 00056 #include <arch/bios/bios.h> 00057 00058 #include <arch/mm/memory_init.h> 00059 #include <interrupt.h> 00060 #include <arch/debugger.h> 00061 #include <proc/thread.h> 00062 #include <syscall/syscall.h> 00063 #include <console/console.h> 00064 00065 void arch_pre_mm_init(void) 00066 { 00067 pm_init(); 00068 00069 if (config.cpu_active == 1) { 00070 bios_init(); 00071 i8259_init(); /* PIC */ 00072 i8254_init(); /* hard clock */ 00073 00074 exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); 00075 00076 #ifdef CONFIG_SMP 00077 exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", 00078 (iroutine) tlb_shootdown_ipi); 00079 #endif /* CONFIG_SMP */ 00080 } 00081 } 00082 00083 void arch_post_mm_init(void) 00084 { 00085 if (config.cpu_active == 1) { 00086 00087 #ifdef CONFIG_FB 00088 if (vesa_present()) 00089 vesa_init(); 00090 else 00091 #endif 00092 ega_init(); /* video */ 00093 00094 00095 /* Enable debugger */ 00096 debugger_init(); 00097 /* Merge all memory zones to 1 big zone */ 00098 zone_merge_all(); 00099 } 00100 } 00101 00102 void arch_pre_smp_init(void) 00103 { 00104 if (config.cpu_active == 1) { 00105 memory_print_map(); 00106 00107 #ifdef CONFIG_SMP 00108 acpi_init(); 00109 #endif /* CONFIG_SMP */ 00110 } 00111 } 00112 00113 void arch_post_smp_init(void) 00114 { 00115 i8042_init(); /* keyboard controller */ 00116 } 00117 00118 void calibrate_delay_loop(void) 00119 { 00120 i8254_calibrate_delay_loop(); 00121 if (config.cpu_active == 1) { 00122 /* 00123 * This has to be done only on UP. 00124 * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. 00125 */ 00126 i8254_normal_operation(); 00127 } 00128 } 00129 00135 __native sys_tls_set(__native addr) 00136 { 00137 THREAD->arch.tls = addr; 00138 set_tls_desc(addr); 00139 00140 return 0; 00141 } 00142 00146 void arch_grab_console(void) 00147 { 00148 i8042_grab(); 00149 } 00153 void arch_release_console(void) 00154 { 00155 i8042_release(); 00156 } 00157