40 lines
1 KiB
C
40 lines
1 KiB
C
/*
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* Copyright 2014, General Dynamics C4 Systems
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*
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* This software may be distributed and modified according to the terms of
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* the GNU General Public License version 2. Note that NO WARRANTY is provided.
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* See "LICENSE_GPLv2.txt" for details.
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*
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* @TAG(GD_GPL)
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*/
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#ifndef __API_SYSCALL_H
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#define __API_SYSCALL_H
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#include <machine.h>
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#include <api/failures.h>
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#include <model/statedata.h>
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#include <kernel/vspace.h>
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#include <arch/api/syscall.h>
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#include <api/debug.h>
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exception_t handleSyscall(syscall_t syscall) VISIBLE;
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exception_t handleInterruptEntry(void) VISIBLE;
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exception_t handleUnknownSyscall(word_t w) VISIBLE;
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exception_t handleUserLevelFault(word_t w_a, word_t w_b) VISIBLE;
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exception_t handleVMFaultEvent(vm_fault_type_t vm_faultType) VISIBLE;
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static inline word_t PURE
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getSyscallArg(word_t i, word_t* ipc_buffer)
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{
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if (i < n_msgRegisters) {
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return getRegister(ksCurThread, msgRegisters[i]);
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}
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assert(ipc_buffer != NULL);
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return ipc_buffer[i + 1];
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}
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extern extra_caps_t current_extra_caps;
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#endif
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