2021-07-14 22:37:44 +00:00
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.section .text
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isr:
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pushal // save registers
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pushl %esp
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2021-07-16 12:07:04 +00:00
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add $32, (%esp)
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2021-07-15 02:42:11 +00:00
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call handle_interrupt
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2021-07-14 22:37:44 +00:00
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add $4, %esp
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popal // restore registers
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add $8, %esp
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iret
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#define ISR_ERRCODE(ISR_NAME, INT_CODE) \
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.global ISR_NAME; \
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ISR_NAME:; \
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pushl $INT_CODE; \
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jmp isr; \
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#define ISR_NO_ERRCODE(ISR_NAME, INT_CODE) \
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.global ISR_NAME; \
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ISR_NAME:; \
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pushl $0; \
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pushl $INT_CODE; \
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jmp isr; \
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2021-07-15 14:47:56 +00:00
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// intel-defined
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2021-07-14 22:37:44 +00:00
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ISR_NO_ERRCODE(int_de, 0)
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ISR_NO_ERRCODE(int_db, 1)
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ISR_NO_ERRCODE(int_nmi, 2)
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ISR_NO_ERRCODE(int_bp, 3)
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ISR_NO_ERRCODE(int_of, 4)
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ISR_NO_ERRCODE(int_br, 5)
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ISR_NO_ERRCODE(int_ud, 6)
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ISR_NO_ERRCODE(int_nm, 7)
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ISR_ERRCODE(int_df, 8)
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ISR_ERRCODE(int_ts, 10)
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ISR_ERRCODE(int_np, 11)
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ISR_ERRCODE(int_ss, 12)
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ISR_ERRCODE(int_gp, 13)
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ISR_ERRCODE(int_pf, 14)
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ISR_NO_ERRCODE(int_mf, 16)
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ISR_ERRCODE(int_ac, 17)
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ISR_NO_ERRCODE(int_mc, 18)
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ISR_NO_ERRCODE(int_xm, 19)
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ISR_NO_ERRCODE(int_ve, 20)
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2021-07-15 14:47:56 +00:00
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// user-defined
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ISR_NO_ERRCODE(pic_keyboard, 33)
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