| 0,0 → 1,159 |
|---|
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup xen32 |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #include <arch.h> |
| |
| #include <arch/types.h> |
| #include <typedefs.h> |
| |
| #include <arch/pm.h> |
| |
| #include <arch/drivers/ega.h> |
| #include <arch/drivers/vesa.h> |
| #include <genarch/i8042/i8042.h> |
| #include <arch/drivers/i8254.h> |
| #include <arch/drivers/i8259.h> |
| |
| #include <arch/context.h> |
| |
| #include <config.h> |
| |
| #include <arch/interrupt.h> |
| #include <arch/asm.h> |
| #include <genarch/acpi/acpi.h> |
| |
| #include <arch/bios/bios.h> |
| |
| #include <arch/mm/memory_init.h> |
| #include <interrupt.h> |
| #include <arch/debugger.h> |
| #include <proc/thread.h> |
| #include <syscall/syscall.h> |
| #include <console/console.h> |
| |
| void arch_pre_mm_init(void) |
| { |
| // pm_init(); |
| |
| if (config.cpu_active == 1) { |
| // bios_init(); |
| // i8259_init(); /* PIC */ |
| // i8254_init(); /* hard clock */ |
| |
| // exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
| |
| #ifdef CONFIG_SMP |
| // exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
| // (iroutine) tlb_shootdown_ipi); |
| #endif /* CONFIG_SMP */ |
| } |
| } |
| |
| void arch_post_mm_init(void) |
| { |
| if (config.cpu_active == 1) { |
| |
| #ifdef CONFIG_FB |
| if (vesa_present()) |
| vesa_init(); |
| else |
| #endif |
| ega_init(); /* video */ |
| |
| |
| /* Enable debugger */ |
| debugger_init(); |
| /* Merge all memory zones to 1 big zone */ |
| zone_merge_all(); |
| } |
| } |
| |
| void arch_pre_smp_init(void) |
| { |
| if (config.cpu_active == 1) { |
| memory_print_map(); |
| |
| #ifdef CONFIG_SMP |
| acpi_init(); |
| #endif /* CONFIG_SMP */ |
| } |
| } |
| |
| void arch_post_smp_init(void) |
| { |
| i8042_init(); /* keyboard controller */ |
| } |
| |
| void calibrate_delay_loop(void) |
| { |
| i8254_calibrate_delay_loop(); |
| if (config.cpu_active == 1) { |
| /* |
| * This has to be done only on UP. |
| * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
| */ |
| i8254_normal_operation(); |
| } |
| } |
| |
| /** Set thread-local-storage pointer |
| * |
| * TLS pointer is set in GS register. That means, the GS contains |
| * selector, and the descriptor->base is the correct address. |
| */ |
| unative_t sys_tls_set(unative_t addr) |
| { |
| THREAD->arch.tls = addr; |
| set_tls_desc(addr); |
| |
| return 0; |
| } |
| |
| /** Acquire console back for kernel |
| * |
| */ |
| void arch_grab_console(void) |
| { |
| i8042_grab(); |
| } |
| /** Return console to userspace |
| * |
| */ |
| void arch_release_console(void) |
| { |
| i8042_release(); |
| } |
| |
| /** @} |
| */ |