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#include "exceptions.h"
#include "interrupt.h"
.macro EXCEPTION_BEGIN vec:req, code
// just in case something tried to be clever before
pushq $\vec
.ifb \code
pushq $0
.endif
// push param registers
ISR_STORE_PARAM_REGS
// caller-saved registers
ISR_STORE_CALLER_REGS
// callee-saved registers
ISR_STORE_CALLEE_REGS
.endm
.macro EXCEPTION_END vec:req, code
// restore all the registers
ISR_RESTORE_CALLEE_REGS
ISR_RESTORE_CALLER_REGS
ISR_RESTORE_PARAM_REGS
add $16, %rsp
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
movq %rsp, %rdi
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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