From 09cf6b4ca8799990b9c01db04c5f4ffbef798773 Mon Sep 17 00:00:00 2001 From: Aqua-sama Date: Sun, 28 Feb 2021 14:53:13 +0200 Subject: Fix interrupts causing exception 0xd --- src/cpu/exceptions.s | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 src/cpu/exceptions.s (limited to 'src/cpu/exceptions.s') diff --git a/src/cpu/exceptions.s b/src/cpu/exceptions.s new file mode 100644 index 0000000..9736be1 --- /dev/null +++ b/src/cpu/exceptions.s @@ -0,0 +1,51 @@ +.section .text +.extern print_exception + +.macro exception num +.global exception\num +exception\num: + movb $\num, (exc) + jmp exception_common +.endm + +exception 0x00 +exception 0x01 +exception 0x02 +exception 0x03 +exception 0x04 +exception 0x05 +exception 0x06 +exception 0x07 +exception 0x08 +exception 0x09 +exception 0x0a +exception 0x0b +exception 0x0c +exception 0x0d +exception 0x0e +exception 0x0f +exception 0x10 +exception 0x11 +exception 0x12 +exception 0x13 + +exception_common: + pusha + pushl %ds + pushl %es + pushl %fs + pushl %gs + + push (exc) + call print_exception + + popl %gs + popl %fs + popl %es + popl %ds + popa + iret + +.data + exc: .byte 0 + -- cgit v1.2.1