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1 jermar 1 
/*
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 * Copyright (C) 2001-2004 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1705 cejka 29 
 /** @addtogroup ia32
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 * @{
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 */
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/** @file
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 */
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1 jermar 35 
#include <arch.h>
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#include <arch/types.h>
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#include <typedefs.h>
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#include <arch/pm.h>
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1473 decky 42 
#include <arch/drivers/ega.h>
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#include <arch/drivers/vesa.h>
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#include <genarch/i8042/i8042.h>
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#include <arch/drivers/i8254.h>
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#include <arch/drivers/i8259.h>
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#include <arch/context.h>
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#include <config.h>
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#include <arch/interrupt.h>
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#include <arch/asm.h>
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#include <genarch/acpi/acpi.h>
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#include <arch/bios/bios.h>
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187 cejka 58 
#include <arch/mm/memory_init.h>
576 palkovsky 59 
#include <interrupt.h>
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#include <arch/debugger.h>
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#include <proc/thread.h>
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#include <syscall/syscall.h>
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#include <console/console.h>
1 jermar 64 
 
26 jermar 65 
void arch_pre_mm_init(void)
1 jermar 66 
{
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	pm_init();
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	if (config.cpu_active == 1) {
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		bios_init();
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		i8259_init();	/* PIC */
1 jermar 72 
		i8254_init();	/* hard clock */
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958 jermar 74 
		exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall);
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458 decky 76 
		#ifdef CONFIG_SMP
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		exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
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			     (iroutine) tlb_shootdown_ipi);
458 decky 79 
		#endif /* CONFIG_SMP */
1 jermar 80 
	}
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}
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72 decky 83 
void arch_post_mm_init(void)
23 jermar 84 
{
24 jermar 85 
	if (config.cpu_active == 1) {
1287 vana 86 
 
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#ifdef CONFIG_FB
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		if (vesa_present())
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			vesa_init();
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		else
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#endif
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			ega_init();	/* video */
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		/* Enable debugger */
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		debugger_init();
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		/* Merge all memory zones to 1 big zone */
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		zone_merge_all();
32 jermar 99 
	}
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}
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503 jermar 102 
void arch_pre_smp_init(void)
32 jermar 103 
{
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	if (config.cpu_active == 1) {
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		memory_print_map();
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458 decky 107 
		#ifdef CONFIG_SMP
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		acpi_init();
458 decky 109 
		#endif /* CONFIG_SMP */
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	}
23 jermar 111 
}
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503 jermar 113 
void arch_post_smp_init(void)
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{
512 jermar 115 
	i8042_init();	/* keyboard controller */
503 jermar 116 
}
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1 jermar 118 
void calibrate_delay_loop(void)
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{
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	i8254_calibrate_delay_loop();
514 jermar 121 
	if (config.cpu_active == 1) {
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		/*
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		 * This has to be done only on UP.
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		 * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
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		 */
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		i8254_normal_operation();
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	}
1 jermar 128 
}
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1121 jermar 130 
/** Set thread-local-storage pointer
1112 palkovsky 131 
 *
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 * TLS pointer is set in GS register. That means, the GS contains
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 * selector, and the descriptor->base is the correct address.
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 */
1780 jermar 135 
unative_t sys_tls_set(unative_t addr)
1112 palkovsky 136 
{
1184 jermar 137 
	THREAD->arch.tls = addr;
1112 palkovsky 138 
	set_tls_desc(addr);
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	return 0;
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}
1474 palkovsky 142 
 
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/** Acquire console back for kernel
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 *
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 */
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void arch_grab_console(void)
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{
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	i8042_grab();
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}
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/** Return console to userspace
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 *
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 */
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void arch_release_console(void)
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{
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	i8042_release();
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}
1702 cejka 157 
 
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 /** @}
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 */
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