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/*
* Copyright (c) 2023 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
*/
#ifndef _AMD64_TRAP_H_
#define _AMD64_TRAP_H_
#if !defined(__ASSEMBLER__)
#include <sys/types.h>
#include <machine/frame.h>
#endif /* !defined(__ASSEMBLER__) */
#define TRAP_NONE 0 /* Used for general interrupts */
#define TRAP_BREAKPOINT 1 /* Breakpoint */
#define TRAP_ARITH_ERR 2 /* Arithmetic error (e.g division by 0) */
#define TRAP_OVERFLOW 3 /* Overflow */
#define TRAP_BOUND_RANGE 4 /* BOUND range exceeded */
#define TRAP_INVLOP 5 /* Invalid opcode */
#define TRAP_DOUBLE_FAULT 6 /* Double fault */
#define TRAP_INVLTSS 7 /* Invalid TSS */
#define TRAP_SEGNP 8 /* Segment not present */
#define TRAP_PROTFLT 9 /* General protection */
#define TRAP_PAGEFLT 10 /* Page fault */
#define TRAP_NMI 11 /* Non-maskable interrupt */
/* Trap is coming from user mode */
#define TRAP_USER 0x100
#if !defined(__ASSEMBLER__)
typedef void(*ftrap_handler_t)(void);
void breakpoint_handler(void *sf);
void arith_err(void *sf);
void overflow(void *sf);
void bound_range(void *sf);
void invl_op(void *sf);
void double_fault(void *sf);
void invl_tss(void *sf);
void segnp(void *sf);
void general_prot(void *sf);
void page_fault(void *sf);
void nmi(void *sf);
void register_ftrap_handler(ftrap_handler_t handler);
void trap_handler(struct trapframe *tf);
#else
.macro handle_trap
mov %rsp, %rdi
call trap_handler
.endm
#endif /* !defined(__ASSEMBLER__) */
#endif /* !_AMD64_TRAP_H_ */
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