318 lines
10 KiB
NASM
318 lines
10 KiB
NASM
; Copyright (c) 2008-2009, <Lrz>
|
||
; All rights reserved.
|
||
;
|
||
; Redistribution and use in source and binary forms, with or without
|
||
; modification, are permitted provided that the following conditions are met:
|
||
; * Redistributions of source code must retain the above copyright
|
||
; notice, this list of conditions and the following disclaimer.
|
||
; * Redistributions in binary form must reproduce the above copyright
|
||
; notice, this list of conditions and the following disclaimer in the
|
||
; documentation and/or other materials provided with the distribution.
|
||
; * Neither the name of the <organization> nor the
|
||
; names of its contributors may be used to endorse or promote products
|
||
; derived from this software without specific prior written permission.
|
||
;
|
||
; THIS SOFTWARE IS PROVIDED BY Alexey Teplov nickname <Lrz> ''AS IS'' AND ANY
|
||
; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
; DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
|
||
; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||
; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
;*****************************************************************************
|
||
|
||
;start of the project 13.02.2008 year.
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;Secondary Loader copyright Alexey Teplov nickname <Lrz>
|
||
;if you need log preproc
|
||
;/////////////
|
||
;include 'listing.inc'
|
||
;enable listing
|
||
;////////////
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;start of code: ;
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
use16
|
||
org 0x0
|
||
jmp start
|
||
include 'sl_equ.inc' ; <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> equ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
include 'boot_st.inc'
|
||
include 'debug_msg.inc' ;here is message from debug
|
||
include 'parse_dat.inc'
|
||
include 'sl_proc.inc'
|
||
include 'parse.inc'
|
||
include 'parse_loader.inc'
|
||
include 'parse_any.inc'
|
||
include 'parse_def_sect.inc'
|
||
include 'parse_err.inc'
|
||
|
||
file_data dw 0x0,ini_data_ ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>.<2E>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> les
|
||
size_data dw 16 ;16 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> 4 <20><> <20>.<2E> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> 64 <20><>
|
||
name_ini_f db 'kord/startos.ini',0
|
||
|
||
;////////////
|
||
loader_callback dd ?
|
||
load_drive dw ?
|
||
load_ft dw ?
|
||
;Start code
|
||
|
||
start:
|
||
; Save far pointer to callback procedure, ds:si is point
|
||
mov word [cs:loader_callback], si
|
||
mov word [cs:loader_callback+2], ds
|
||
; Save type of drive
|
||
mov word [cs:load_drive], ax
|
||
; Save type of FT
|
||
mov word [cs:load_ft], bx
|
||
; set up stack
|
||
mov ax, cs
|
||
mov ss, ax
|
||
xor sp, sp
|
||
; set up segment registers
|
||
mov ds, ax
|
||
mov es, ax
|
||
; just to be sure: force DF=0, IF=1
|
||
cld
|
||
sti
|
||
|
||
; set videomode
|
||
mov ax, 3
|
||
int 0x10
|
||
|
||
mov si, version
|
||
call printplain
|
||
mov al, '#'
|
||
mov cx, 80
|
||
;input cx=size al=char <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> cx
|
||
@@:
|
||
call putchar
|
||
loop @b
|
||
|
||
if DEBUG
|
||
pushad
|
||
mov ax, cs
|
||
shl eax, 4 ; <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
mov cx, 0xa
|
||
mov di, cseg_msg
|
||
call decode
|
||
;***************
|
||
mov si, cseg_msg
|
||
call printplain
|
||
popad
|
||
end if
|
||
|
||
|
||
if DEBUG
|
||
mov si, stack_msg
|
||
call printplain
|
||
end if
|
||
|
||
; Require 586 or higher processor (cpuid and rdtsc,rdmsr/wrmsr commands)
|
||
; install int 6 (#UD) handler
|
||
xor bx, bx
|
||
mov ds, bx
|
||
push word [bx+6*4+2]
|
||
push word [bx+6*4]
|
||
mov word [bx+6*4], ud16
|
||
mov word [bx+6*4+2], cs
|
||
; issue CPUID command
|
||
xor eax, eax ; N.B.: will cause #UD before 386
|
||
cpuid ; N.B.: will cause #UD before later 486s
|
||
test eax, eax
|
||
jz cpubad
|
||
; get processor features
|
||
xor eax, eax
|
||
inc ax
|
||
cpuid
|
||
test dl, 10h ; CPUID[1].edx[4] - TSC support
|
||
jz cpubad
|
||
test dl, 20h ; CPUID[1].edx[5] - MSR support
|
||
jnz cpugood
|
||
|
||
ud16: ; #UD handler, called if processor did not recognize some commands
|
||
cpubad:
|
||
; restore int 6 (#UD) handler
|
||
pop word [6*4]
|
||
pop word [6*4+2]
|
||
; say error
|
||
push cs
|
||
pop ds
|
||
mov si, badprocessor
|
||
sayerr:
|
||
call printplain
|
||
jmp $
|
||
|
||
cpugood:
|
||
; restore int 6 (#UD) handler
|
||
pop dword [6*4]
|
||
push cs
|
||
pop ds
|
||
|
||
; set up esp
|
||
movzx esp, sp
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
; init memory
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
|
||
|
||
|
||
; Load startos.ini
|
||
mov cx, loop_read_startos_file ;<3B><><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> startos.ini
|
||
align 4
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
; Load startos.ini ;
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
load_startos_file:
|
||
|
||
xor ax, ax
|
||
mov di, file_data
|
||
inc ax ;function 1 - read file
|
||
push cx
|
||
call far dword [loader_callback]
|
||
pop cx
|
||
push cs
|
||
push cs
|
||
pop ds
|
||
pop es
|
||
|
||
test bx, bx
|
||
jz check_conf_file
|
||
dec cx
|
||
jnz load_startos_file
|
||
|
||
;SET DEFAULT Not use ini file
|
||
error_ini:
|
||
mov si, error_ini_f1 ;Error: cannot load ini file, buffer is full
|
||
dec bx
|
||
jz err_show_ini
|
||
mov si, error_ini_f2 ;Error: ini file not found
|
||
dec bx
|
||
jz err_show_ini
|
||
mov si, error_ini_f3 ;Error: cannot read ini file
|
||
dec bx
|
||
jz err_show_ini
|
||
|
||
mov si, error_ini_nf ;Error: unrecognized error when loading ini file
|
||
err_show_ini:
|
||
call printplain
|
||
mov si, error_ini_common
|
||
call printplain
|
||
; wait for keypress
|
||
xor ax, ax
|
||
int 16h
|
||
|
||
ini_loaded:
|
||
|
||
jmp $
|
||
|
||
align 4
|
||
check_conf_file:
|
||
;Check config file in current dir
|
||
push ax ;save size file
|
||
if DEBUG
|
||
mov cx, 0x0a
|
||
mov di, show_decode
|
||
call decode
|
||
;Show size
|
||
mov si, show_string
|
||
call printplain
|
||
end if
|
||
|
||
|
||
;Show message
|
||
mov si, load_ini
|
||
call printplain
|
||
|
||
pop cx ;restore size file
|
||
use_parse ;parsing startos.ini
|
||
;
|
||
jmp ini_loaded
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;DATA
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
; table for move to extended memory (int 15h, ah=87h)
|
||
align 4
|
||
table_15_87:
|
||
db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0
|
||
db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0
|
||
|
||
db 0xff,0xff
|
||
db 0x0,0x10
|
||
db 0x00,0x93,0x0,0x0
|
||
|
||
db 0xff,0xff,0x0,0x00,0x10,0x93,0x0,0x0
|
||
|
||
db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0
|
||
db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0
|
||
db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0
|
||
db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0
|
||
|
||
fat12_buffer:
|
||
.BS_jmpBoot db 0x90,0x90,0x90 ;3 <20><><EFBFBD><EFBFBD><EFBFBD> NOP <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
.BS_OEMName db 'K SyS 64' ;8 <20><><EFBFBD><EFBFBD>
|
||
.BPB_BytsPerSec dw 512 ;<3B><><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> 512 1024 2048 4096 2 <20><><EFBFBD><EFBFBD><EFBFBD>
|
||
.BPB_SecPerClus db 0x1 ;<3B><><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
.BPB_RsvdSecCnt dw 0x1 ;<3B><><EFBFBD> FAt12/16 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1, <20><><EFBFBD> FAT32 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 32
|
||
.BPB_NumFATs db 0x1 ;<3B><><EFBFBD>-<2D><> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||
.BPB_RootEntCnt dw 512 ;<3B><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> fat16
|
||
.BPB_TotSec16 dw 0x0 ;<3B><>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
.BPB_Media db 0xF0
|
||
.BPB_FATSz16 dw 0x0
|
||
.BPB_SecPerTrk dw 0x0 ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> RAMFS <20><> <20><><EFBFBD> <20><> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
|
||
.BPB_NumHeads dw 0x0
|
||
.BPB_HiddSec dd 0x0 ;<3B><><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
.BPB_TotSec32 dd 0x0
|
||
.BS_DrvNum db 'R' ;<3B><> <20><><EFBFBD><EFBFBD><EFBFBD> RAM
|
||
.BS_Reserved1 db 0x0
|
||
.BS_BootSig db 0x29
|
||
.BS_VolID db 'RFKS'
|
||
.BS_VolLab db 'RAM DISK FS' ;11 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
.BS_FilSysType db 'FAT12 ' ;8 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;62 <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> fat12.
|
||
db (512-($-fat12_buffer))dup(0x90)
|
||
|
||
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> fat
|
||
struc FAT_32_entry ;Byte Directory Entry Structure
|
||
{
|
||
.DIR_Name rb 11
|
||
.DIR_Attr db ?
|
||
.DIR_NTRes db ?
|
||
.DIR_CrtTimeTenth db ?
|
||
.DIR_CrtTime dw ?
|
||
.DIR_CrtDate dw ?
|
||
.DIR_LstAccDate dw ?
|
||
.DIR_FstClusHI dw ?
|
||
.DIR_WrtTime dw ?
|
||
.DIR_WrtDate dw ?
|
||
.DIR_FstClusLO dw ?
|
||
.DIR_FileSize dd ?
|
||
|
||
|
||
}
|
||
;<3B><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>....
|
||
;;;
|
||
;timer
|
||
shot_name_fat rb 11 ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> fat12, <20> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> FAT /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD>
|
||
|
||
if DEBUG
|
||
rb 1 ;<3B><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
dest_name_fat db 24 dup('_');12
|
||
db 0x0
|
||
end if
|
||
|
||
value_timeout rw 1 ;value to timeout
|
||
old_timer rd 1 ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
start_timer rd 1 ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
timer_ rd 1 ;<3B><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>.<2E>. SL
|
||
start_stack rw 1 ;save stack
|
||
save_bp_from_timer rw 1 ;save bp from timer
|
||
|