2015-05-20 10:12:20 +03:00
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.section .text
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.align 4
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.macro ISR_NOERR index
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.global _isr\index
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_isr\index:
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cli
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push $0
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push $\index
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jmp isr_common
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.endm
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.macro ISR_ERR index
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.global _isr\index
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_isr\index:
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cli
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push $\index
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jmp isr_common
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.endm
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/* Standard X86 interrupt service routines */
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ISR_NOERR 0
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ISR_NOERR 1
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ISR_NOERR 2
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ISR_NOERR 3
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ISR_NOERR 4
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ISR_NOERR 5
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ISR_NOERR 6
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ISR_NOERR 7
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ISR_ERR 8
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ISR_NOERR 9
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ISR_ERR 10
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ISR_ERR 11
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ISR_ERR 12
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ISR_ERR 13
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ISR_ERR 14
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ISR_NOERR 15
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ISR_NOERR 16
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ISR_NOERR 17
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ISR_NOERR 18
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ISR_NOERR 19
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ISR_NOERR 20
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ISR_NOERR 21
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ISR_NOERR 22
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ISR_NOERR 23
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ISR_NOERR 24
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ISR_NOERR 25
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ISR_NOERR 26
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ISR_NOERR 27
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ISR_NOERR 28
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ISR_NOERR 29
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ISR_NOERR 30
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ISR_NOERR 31
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ISR_NOERR 127
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.extern fault_handler
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.type fault_handler, @function
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isr_common:
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/* Push all registers */
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pusha
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/* Save segment registers */
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push %ds
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push %es
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push %fs
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push %gs
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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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2017-02-19 18:19:38 +03:00
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cld
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2015-05-20 10:12:20 +03:00
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/* Call fault handler */
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2015-05-21 06:32:21 +03:00
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push %esp
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call fault_handler
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add $4, %esp
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2015-05-20 10:12:20 +03:00
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/* Restore segment registers */
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pop %gs
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pop %fs
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pop %es
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pop %ds
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/* Restore registers */
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popa
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/* Cleanup error code and ISR # */
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add $8, %esp
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/* pop CS, EIP, EFLAGS, SS and ESP */
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iret
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