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1ebb5df920
This flag indicates that something has already gone wrong and least amount of code should be used to do reboot or shutdown. This means not running non-critical reset handlers. Note that the handler itself needs to decide whethere it is critical or not.
76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
/*
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Copyright (C) 1995-2017, The AROS Development Team. All rights reserved.
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Desc: default x86 power state handlers
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*/
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#include <exec/interrupts.h>
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#include <asm/io.h>
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#include <proto/exec.h>
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#define __AROS_KERNEL__
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#include "exec_intern.h"
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/* Call the kernel to perform a Cold Reset */
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AROS_INTH1(Exec_X86ColdResetHandler, struct Interrupt *, handler)
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{
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AROS_INTFUNC_INIT
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UBYTE action = handler->is_Node.ln_Type & SD_ACTION_MASK;
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if (action == SD_ACTION_COLDREBOOT)
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{
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krnSysCallChangePMState(0xFF);
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}
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return FALSE;
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AROS_INTFUNC_EXIT
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}
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/* Call the kernel to perform a Warm Reset */
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AROS_INTH1(Exec_X86WarmResetHandler, struct Interrupt *, handler)
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{
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AROS_INTFUNC_INIT
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UBYTE action = handler->is_Node.ln_Type & SD_ACTION_MASK;
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if (action == SD_ACTION_WARMREBOOT)
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{
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/* Tell kernel to reboot */
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__asm__ __volatile__ ("int $0xfe"::"a"(0x100));
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}
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/* We really should not return from that */
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return FALSE;
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AROS_INTFUNC_EXIT
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}
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/* This reset handler is called at the end of the shut down
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* chain (after the power-off screen), and calls the kernel
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* provided routine to power off the hardware if possible.
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*/
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AROS_INTH1(Exec_X86ShutdownHandler, struct Interrupt *, handler)
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{
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AROS_INTFUNC_INIT
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SuperState();
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while (TRUE)
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{
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/*
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* Either we will forever loop looking for a
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* syscall shutdown handler, or call an appropriate one =)
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*/
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krnSysCallChangePMState(0);
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};
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/* We really should not return from that */
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return FALSE;
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AROS_INTFUNC_EXIT
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}
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