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Drop obsolete klib16.S

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The 16-bit poweroff16() function is not called any more.
This commit is contained in:
Antoine Leca 2013-01-08 15:12:37 +00:00 committed by Ben Gras
parent 715aecd7e8
commit ffdb12bc9b
2 changed files with 1 additions and 101 deletions
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2
kernel/arch/i386/Makefile.inc
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@ -34,7 +34,7 @@ CLEANFILES+= $(ORIG_UNPAGED_OBJS)
SRCS+= mpx.S arch_clock.c arch_do_vmctl.c arch_system.c \
do_iopenable.c do_readbios.c do_sdevio.c exception.c i8259.c io_inb.S \
io_inl.S io_intr.S io_inw.S io_outb.S io_outl.S io_outw.S klib.S klib16.S memory.c \
io_inl.S io_intr.S io_inw.S io_outb.S io_outl.S io_outw.S klib.S memory.c \
oxpcie.c protect.c direct_tty_utils.c arch_reset.c \
pg_utils.c usermapped_glo_ipc.S usermapped_data_arch.c

100
kernel/arch/i386/klib16.S
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@ -1,100 +0,0 @@
/* sections */
#include <minix/config.h>
#include <minix/const.h>
#include <machine/asm.h>
#include <machine/interrupt.h>
#include "archconst.h"
#include "kernel/const.h"
#include "sconst.h"
#include <machine/multiboot.h>
/*
* This file contains a number of 16-bit assembly code utility routines needed by the
* kernel.
*/
.text
.code16
/*===========================================================================*/
/* poweroff16 */
/*===========================================================================*/
/* PUBLIC void poweroff16(); */
/* Power down system */
ENTRY(poweroff16)
/* Assume eax is already set to required value of cr0*/
.byte 0x0F,0x22,0xC0 /* mov %cr0,%eax */
ljmp $0,$(BIOS_POWEROFF_ENTRY + real_mode - _C_LABEL(poweroff16))
real_mode:
mov $((BIOS_POWEROFF_ENTRY >> 4) + 0x200),%ax
mov %ax, %ds
mov %ax, %es
mov %ax, %ss
mov $0x1000, %sp
xorb %ah, %ah
/* Close gate A20 */
gate_A20:
call kb_wait
movb $0xD1,%al
outb $0x64
call kb_wait
movb $0xDD,%al
orb %ah,%al
outb $0x60
call kb_wait
movb $0xFF,%al
outb $0x64
call kb_wait
/* Connect to APM */
mov $0x5301,%ax
mov $0x0,%bx
int $0x15
jc apm_err
/* Enable power management */
mov $0x5308,%ax
mov $0x1,%bx
mov $0x1,%cx
int $0x15
jc apm_err
/* Set power state to off */
mov $0x5307,%ax
mov $0x01,%bx
mov $0x3,%cx
int $0x15
jc apm_err
0: hlt
jmp 0b
poweroff_msg:
.ascii "You can poweroff the machine safely now"
poweroff_msg_end:
#define POWEROFF_MSG_LEN (poweroff_msg_end-poweroff_msg)
apm_err:
/* If APM can't perform the shutdown, print something to inform */
mov $0x02, %ax /* clear screen */
int $0x10
mov $(BIOS_POWEROFF_ENTRY >> 4), %ax
mov %ax, %es
mov $0x1301, %ax
mov $0x07, %bx
mov $POWEROFF_MSG_LEN, %cx
mov $0x0300, %dx
mov $(poweroff_msg - _C_LABEL(poweroff16)), %bp
int $0x10
0: hlt
jmp 0b
kb_wait:
inb $0x64
testb $0x02,%al
jnz kb_wait
ret
/*mark the end for copy*/
LABEL(poweroff16_end)