56 lines
635 B
ArmAsm
56 lines
635 B
ArmAsm
.globl irq0
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.macro IRQ NAME, VECTOR
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.globl irq\NAME
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irq\NAME:
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cli
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push $0
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push \VECTOR
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jmp irq_common
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.endm
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IRQ 0 $0
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IRQ 1 $1
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IRQ 2 $2
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IRQ 3 $3
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IRQ 4 $4
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IRQ 5 $5
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IRQ 6 $6
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IRQ 7 $7
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IRQ 8 $8
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IRQ 9 $9
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IRQ 10 $10
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IRQ 11 $11
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IRQ 12 $12
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IRQ 13 $13
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IRQ 14 $14
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IRQ 15 $15
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irq_common:
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pusha
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mov %ds, %ax
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push %eax
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mov $0x10, %ax
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mov %ax, %ds
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mov %ax, %es
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mov %ax, %fs
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mov %ax, %gs
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call irq_handler
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pop %eax
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mov %ax, %ds
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mov %ax, %es
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mov %ax, %fs
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mov %ax, %gs
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popa
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add $8, %esp # cleans push error and irs code
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sti
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iret # pops 5 things at once: CS, EIP, EFLAGS, SS, and ESP
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