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#include "exceptions.h"
#include "interrupt.h"
.macro EXCEPTION_BEGIN vec:req, code=0
// just in case something tried to be clever before
cld
// push param registers
ISR_STORE_PARAM_REGS
// store certain parameters
movb $\vec,%dil
.if \code
movq ISR_PARAM_REGS_SIZE(%rsp), %rsi
.else
xor %rsi, %rsi
.endif
// caller-saved registers
ISR_STORE_CALLER_REGS
// callee-saved registers
ISR_STORE_CALLEE_REGS
.endm
.macro EXCEPTION_END vec:req, code=0
// restore all the registers
ISR_RESTORE_CALLEE_REGS
ISR_RESTORE_CALLER_REGS
ISR_RESTORE_PARAM_REGS
.if \code
add $8, %rsp
.endif
iretq
.endm
.macro EXCEPTION_DEFINE name:req, vec:req
\name\()_isr:
.if \vec > 9 && \vec < 15 || \vec == 17 || \vec == 21 || \vec > 28 && \vec < 31
EXCEPTION_BEGIN \vec, 1
.else
EXCEPTION_BEGIN \vec
.endif
ISR_CALL \name\()_handler
.if \vec > 9 && \vec < 15 || \vec == 17 || \vec == 21 || \vec > 28 && \vec < 31
EXCEPTION_END \vec, 1
.else
EXCEPTION_END \vec
.endif
.size \name\()_isr, . - \name\()_isr
.endm
EXCEPTION_DECLARE page_fault PAGE_FAULT_EXCEPTION
EXCEPTION_DECLARE general_protection GENERAL_PROTECTION_EXCEPTION
EXCEPTION_DEFINE page_fault, PAGE_FAULT_EXCEPTION
EXCEPTION_DEFINE general_protection, GENERAL_PROTECTION_EXCEPTION
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