forked from PoliEcho-holding-org/kern
Tom-on
50a1d6198e
* We did loose tasking and only have a paging skeleton, but hey it took like 4 months so i'm happy that there's something :p
130 lines
1.8 KiB
ArmAsm
130 lines
1.8 KiB
ArmAsm
[bits 64]
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[section .text]
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isr_common:
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push rax
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push rbx
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push rcx
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push rdx
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push rsi
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push rdi
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push rbp
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push r8
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push r9
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push r10
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push r11
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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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mov rbp, ds
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push rbp
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mov rdi, rsp
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[extern isr_handle_interrupt]
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call isr_handle_interrupt
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[global isr_return]
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isr_return:
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pop rbp
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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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pop r11
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pop r10
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pop r9
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pop r8
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pop rbp
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pop rdi
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pop rsi
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pop rdx
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pop rcx
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pop rbx
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pop rax
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add rsp, 16 ; Pop errno and int number
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iretq
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%macro ISR_WITH_ERRNO 1
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[global isr%1]
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isr%1:
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push %1
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jmp isr_common
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%endmacro
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%macro ISR_WITHOUT_ERRNO 1
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[global isr%1]
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isr%1:
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push 0
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push %1
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jmp isr_common
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%endmacro
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;; Exceptions
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ISR_WITHOUT_ERRNO 0
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ISR_WITHOUT_ERRNO 1
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ISR_WITHOUT_ERRNO 2
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ISR_WITHOUT_ERRNO 3
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ISR_WITHOUT_ERRNO 4
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ISR_WITHOUT_ERRNO 5
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ISR_WITHOUT_ERRNO 6
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ISR_WITHOUT_ERRNO 7
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ISR_WITH_ERRNO 8
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ISR_WITHOUT_ERRNO 9
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ISR_WITH_ERRNO 10
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ISR_WITH_ERRNO 11
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ISR_WITH_ERRNO 12
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ISR_WITH_ERRNO 13
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ISR_WITH_ERRNO 14
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ISR_WITHOUT_ERRNO 15
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ISR_WITHOUT_ERRNO 16
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ISR_WITHOUT_ERRNO 17
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ISR_WITHOUT_ERRNO 18
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ISR_WITHOUT_ERRNO 19
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ISR_WITHOUT_ERRNO 20
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ISR_WITHOUT_ERRNO 21
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ISR_WITHOUT_ERRNO 22
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ISR_WITHOUT_ERRNO 23
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ISR_WITHOUT_ERRNO 24
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ISR_WITHOUT_ERRNO 25
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ISR_WITHOUT_ERRNO 26
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ISR_WITHOUT_ERRNO 27
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ISR_WITHOUT_ERRNO 28
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ISR_WITHOUT_ERRNO 29
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ISR_WITHOUT_ERRNO 30
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ISR_WITHOUT_ERRNO 31
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;; IRQs
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ISR_WITHOUT_ERRNO 32
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ISR_WITHOUT_ERRNO 33
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ISR_WITHOUT_ERRNO 34
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ISR_WITHOUT_ERRNO 35
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ISR_WITHOUT_ERRNO 36
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ISR_WITHOUT_ERRNO 37
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ISR_WITHOUT_ERRNO 38
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ISR_WITHOUT_ERRNO 39
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ISR_WITHOUT_ERRNO 40
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ISR_WITHOUT_ERRNO 41
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ISR_WITHOUT_ERRNO 42
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ISR_WITHOUT_ERRNO 43
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ISR_WITHOUT_ERRNO 44
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ISR_WITHOUT_ERRNO 45
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ISR_WITHOUT_ERRNO 46
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ISR_WITHOUT_ERRNO 47
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; Syscall
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ISR_WITHOUT_ERRNO 128
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ISR_WITHOUT_ERRNO 255
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[section .data]
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[global isr_redirect_table]
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isr_redirect_table:
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%assign i 0
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%rep 48
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dq isr%+i
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%assign i i+1
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%endrep
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