89 lines
1.2 KiB
ArmAsm
89 lines
1.2 KiB
ArmAsm
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.macro intr_stub nr
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.global intr_stub_\nr
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intr_stub_\nr:
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pushl $0
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pushl $\nr
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jmp intr_common_handler
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.endm
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.macro intr_stub_error_code nr
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.global intr_stub_\nr
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intr_stub_\nr:
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pushl $\nr
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jmp intr_common_handler
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.endm
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// Exceptions
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intr_stub 0
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intr_stub 1
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intr_stub 2
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intr_stub 3
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intr_stub 4
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intr_stub 5
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intr_stub 6
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intr_stub 7
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intr_stub_error_code 8
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intr_stub 9
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intr_stub_error_code 10
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intr_stub_error_code 11
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intr_stub_error_code 12
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intr_stub_error_code 13
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intr_stub_error_code 14
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intr_stub 15
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intr_stub 16
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intr_stub_error_code 17
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intr_stub 18
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// IRQs
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intr_stub 32
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intr_stub 33
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intr_stub 34
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intr_stub 35
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intr_stub 36
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intr_stub 37
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intr_stub 38
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intr_stub 39
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intr_stub 40
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intr_stub 41
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intr_stub 42
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intr_stub 43
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intr_stub 44
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intr_stub 45
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intr_stub 46
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intr_stub 47
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// System call
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intr_stub 48
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intr_stub 80
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.extern intr_routine
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intr_common_handler:
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// Save additional cpu state
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push %ebp
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push %edi
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push %esi
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push %edx
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push %ecx
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push %ebx
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push %eax
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// Call interrupt handler
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push %esp
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call intr_routine
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add $4, %esp
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// Restore cpu state
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pop %eax
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pop %ebx
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pop %ecx
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pop %edx
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pop %esi
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pop %edi
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pop %ebp
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// Fehlercode und Interruptnummer vom Stack nehmen
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add $8, %esp
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iret
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