x86-bare-metal-examples/lidt.S

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

#include "common.h"
BEGIN
    CLEAR
    cli
    movw $handler, idt_start
    mov %cs, idt_start + 2
    lidt idt_descriptor
    int $0
    PUTC $'b
    hlt
idt_start:
    .word handler
    .word
idt_end:
idt_descriptor:
    .word idt_end - idt_start
    .long idt_start
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#lidt */`

Protected mode works but is ugly, CS, SS work, failed lidt real mode attempt 2015-10-17 00:03:05 +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			`cli`
			`movw $handler, idt_start`
			`mov %cs, idt_start + 2`
Protected mode works but is ugly, CS, SS work, failed lidt real mode attempt 2015-10-17 00:03:05 +02:00			`lidt idt_descriptor`
			`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`
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			`idt_start:`
			`.word handler`
			`.word`
Protected mode works but is ugly, CS, SS work, failed lidt real mode attempt 2015-10-17 00:03:05 +02:00			`idt_end:`
			`idt_descriptor:`
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			`.word idt_end - idt_start`
			`.long idt_start`
Protected mode works but is ugly, CS, SS work, failed lidt real mode attempt 2015-10-17 00:03:05 +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`
Protected mode works but is ugly, CS, SS work, failed lidt real mode attempt 2015-10-17 00:03:05 +02:00			`iret`