| btx.S (76927) | btx.S (78650) |
|---|---|
| 1# 2# Copyright (c) 1998 Robert Nordier 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms are freely 6# permitted provided that the above copyright notice and this 7# paragraph and the following disclaimer are duplicated in all 8# such forms. 9# 10# This software is provided "AS IS" and without any express or 11# implied warranties, including, without limitation, the implied 12# warranties of merchantability and fitness for a particular 13# purpose. 14# 15 | 1# 2# Copyright (c) 1998 Robert Nordier 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms are freely 6# permitted provided that the above copyright notice and this 7# paragraph and the following disclaimer are duplicated in all 8# such forms. 9# 10# This software is provided "AS IS" and without any express or 11# implied warranties, including, without limitation, the implied 12# warranties of merchantability and fitness for a particular 13# purpose. 14# 15 |
| 16# $FreeBSD: head/sys/boot/pc98/btx/btx/btx.S 76927 2001-05-21 11:49:21Z nyan $ | 16# $FreeBSD: head/sys/boot/pc98/btx/btx/btx.S 78650 2001-06-23 08:04:14Z kato $ |
| 17 18# 19# Memory layout. 20# 21 .set MEM_BTX,0x1000 # Start of BTX memory 22 .set MEM_ESP0,0x1800 # Supervisor stack 23 .set MEM_BUF,0x1800 # Scratch buffer 24 .set MEM_ESP1,0x1e00 # Link stack --- 938 unchanged lines hidden (view full) --- 963 movl %cr0,%eax # Turn 964 andl $~0x80000000,%eax # off 965 movl %eax,%cr0 # paging 966 xorl %eax,%eax # Flush 967 movl %eax,%cr3 # TLB 968') 969 popl %eax # Call 970 call *%eax # program | 17 18# 19# Memory layout. 20# 21 .set MEM_BTX,0x1000 # Start of BTX memory 22 .set MEM_ESP0,0x1800 # Supervisor stack 23 .set MEM_BUF,0x1800 # Scratch buffer 24 .set MEM_ESP1,0x1e00 # Link stack --- 938 unchanged lines hidden (view full) --- 963 movl %cr0,%eax # Turn 964 andl $~0x80000000,%eax # off 965 movl %eax,%cr0 # paging 966 xorl %eax,%eax # Flush 967 movl %eax,%cr3 # TLB 968') 969 popl %eax # Call 970 call *%eax # program |
| 971intx30.1: incb %ss:btx_hdr+0x7 # Flag reboot | 971intx30.1: orb $0x1,%ss:btx_hdr+0x7 # Flag reboot |
| 972 jmp exit # Exit 973# 974# Dump structure [EBX] to [EDI], using format string [ESI]. 975# 976dump.0: stosb # Save char 977dump: lodsb # Load char 978 testb %al,%al # End of string? 979 jz dump.10 # Yes --- 234 unchanged lines hidden --- | 972 jmp exit # Exit 973# 974# Dump structure [EBX] to [EDI], using format string [ESI]. 975# 976dump.0: stosb # Save char 977dump: lodsb # Load char 978 testb %al,%al # End of string? 979 jz dump.10 # Yes --- 234 unchanged lines hidden --- |