Chloe M.
197 lines
2.8 KiB
ArmAsm
197 lines
2.8 KiB
ArmAsm
/*
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* Copyright (c) 2026, Chloe M.
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* Provided under the BSD-3 clause.
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*
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* Description: Interrupt Vector entries
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* Author: Chloe M.
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*/
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#include <machine/idt.h>
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#include <machine/kfence.h>
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#include <machine/frame.h>
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.macro SetTrap, Vector, Isr, Ist
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mov $\Vector, %rdi
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lea \Isr(%rip), %rsi
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mov $IDT_TRAP_GATE, %rdx
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mov $\Ist, %rcx
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call MdIdtSetEntry
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.endm
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.text
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.globl MdVectorInit
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MdVectorInit:
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push %r12
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push %r13
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push %r14
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push %r15
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push %rbx
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push %rbp
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SetTrap 0x00, DivErr, 0
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SetTrap 0x01, DebugExcept, 0
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SetTrap 0x02, Nmi, 0
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SetTrap 0x03, Breakpoint, 0
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SetTrap 0x04, Overflow, 0
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SetTrap 0x05, BoundRange, 0
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SetTrap 0x06, InvalidOpcode, 0
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SetTrap 0x07, NoCoproc, 0
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SetTrap 0x08, DoubleFault, 0
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SetTrap 0x0A, InvalidTss, 0
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SetTrap 0x0B, SegNp, 0
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SetTrap 0x0C, StackSegFault, 0
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SetTrap 0x0D, Gpf, 0
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SetTrap 0x0E, PageFault, 0
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pop %rbp
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pop %rbx
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pop %r15
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pop %r14
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pop %r13
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pop %r12
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retq
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.text
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.extern MdTrapDispatch
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.align 8
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DivErr:
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KFENCE
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PushFrame 0x00
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE
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1: cli
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hlt
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jmp 1b
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DebugExcept:
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KFENCE
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PushFrame 0x1
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE
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1: cli
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hlt
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jmp 1b
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Nmi:
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KFENCE
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PushFrame 0x2
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE
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1: cli
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hlt
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jmp 1b
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Breakpoint:
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KFENCE
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PushFrame 0x3
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE
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1: cli
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hlt
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jmp 1b
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Overflow:
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KFENCE
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PushFrame 0x4
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE
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1: cli
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hlt
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jmp 1b
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BoundRange:
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KFENCE
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PushFrame 0x5
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE
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1: cli
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hlt
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jmp 1b
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InvalidOpcode:
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KFENCE
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PushFrame 0x6
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE
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1: cli
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hlt
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jmp 1b
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NoCoproc:
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KFENCE
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PushFrame 0x7
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE
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1: cli
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hlt
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jmp 1b
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DoubleFault:
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KFENCE_EC
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PushFrame 0x8
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE_EC
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1: cli
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hlt
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jmp 1b
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InvalidTss:
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KFENCE_EC
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PushFrame 0xA
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE_EC
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1: cli
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hlt
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jmp 1b
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SegNp:
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KFENCE_EC
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PushFrame 0xB
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE_EC
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1: cli
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hlt
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jmp 1b
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StackSegFault:
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KFENCE_EC
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PushFrame 0xC
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE_EC
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1: cli
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hlt
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jmp 1b
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Gpf:
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KFENCE_EC
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PushFrame 0xD
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE_EC
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1: cli
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hlt
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jmp 1b
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PageFault:
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KFENCE_EC
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PushFrame 0xE
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mov %rsp, %rdi
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call MdTrapDispatch
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KFENCE_EC
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1: cli
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hlt
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jmp 1b
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hlt
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