x86-bare-metal-examples/interrupt.S

/* https://github.com/cirosantilli/x86-bare-metal-examples#interrupts */

#include "common.h"
BEGIN
    CLEAR
    DBG
    /* Set address of the handler for interrupt 0. */
    movw $handler, 0x00
    /* Set code segment of the handler for interrupt 0. */
    mov %cs, 0x02
    int $0
    PUTC $'b
    hlt
handler:
    PUTC $'a
    iret
link all examples to header 2018-12-04 09:46:27 +00:00			`/* https://github.com/cirosantilli/x86-bare-metal-examples#interrupts */`

reboot 2015-09-21 09:43:03 +02:00			`#include "common.h"`
			`BEGIN`
			`CLEAR`
Move all documentation to README.adoc This includes both separate .md files, and documentation that was on the head of the .S source files. Retest everything as this was done, and fix a few easy things. 2018-05-06 14:33:33 +01:00			`DBG`
			`/* Set address of the handler for interrupt 0. */`
reboot 2015-09-21 09:43:03 +02:00			`movw $handler, 0x00`
Move all documentation to README.adoc This includes both separate .md files, and documentation that was on the head of the .S source files. Retest everything as this was done, and fix a few easy things. 2018-05-06 14:33:33 +01:00			`/* Set code segment of the handler for interrupt 0. */`
bios_disk_load works 2015-10-04 19:59:15 +02:00			`mov %cs, 0x02`
Keyboard input, hex printer 2015-09-24 10:17:28 +02:00			`int $0`
Uniformized macros: push save all registers, and use only GAS macros, no CPP 2015-10-21 15:55:27 +02:00			`PUTC $'b`
Protected mode works but is ugly, CS, SS work, failed lidt real mode attempt 2015-10-17 00:03:05 +02:00			`hlt`
reboot 2015-09-21 09:43:03 +02:00			`handler:`
Uniformized macros: push save all registers, and use only GAS macros, no CPP 2015-10-21 15:55:27 +02:00			`PUTC $'a`
Keyboard input, hex printer 2015-09-24 10:17:28 +02:00			`iret`