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err handler copy-paste
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/*This is just some code to copy-paste, to make exception handler coding easier. By: me, Killaship. | |
Probably going to be obsolete by the time I make a function to semi-automate the IDTentry-making.*/ | |
div0_address = (unsigned long)div0_handler; | |
IDT[0x00].offset_lowerbits = div0_address & 0xffff; | |
IDT[0x00].selector = KERNEL_CODE_SEGMENT_OFFSET; | |
IDT[0x00].zero = 0; | |
IDT[0x00].type_attr = INTERRUPT_GATE; | |
IDT[0x00].offset_higherbits = (div0_address & 0xffff0000) >> 16; | |
void div0_handler() { | |
//kprint_newline(); | |
unsigned int i = 0; | |
while (i < SCREENSIZE) { | |
vidptr[i++] = ' '; | |
vidptr[i++] = 0x44; | |
} | |
kprint("err: kernel panic!",0x40); | |
kprint_newline(); | |
kprint("err type:",0x40); | |
kprint_newline(); | |
kprint("fault: divide-by-zero (0x00)",0x40); | |
kprint_newline(); | |
kprint_newline(); | |
asm volatile( | |
"1:\n\t" | |
"cli\n\t" | |
"hlt\n\t" | |
"jmp 1b\n\t" | |
); | |
} |
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