source: trunk/install/dos/airboot.asm@ 57

Last change on this file since 57 was 57, checked in by Ben Rietbroek, 10 years ago

All source-files lowercased [v1.1.1-testing]

Some standard files like 'COPYING', 'LICENSE', etc. have not been
converted to lower case because they are usually distributed uppercased.
File size: 10.0 KB
Line 
1; AiR-BOOT (c) Copyright 1998-2009 M. Kiewitz
2;
3; This file is part of AiR-BOOT
4;
5; AiR-BOOT is free software: you can redistribute it and/or modify it under
6; the terms of the GNU General Public License as published by the Free
7; Software Foundation, either version 3 of the License, or (at your option)
8; any later version.
9;
10; AiR-BOOT is distributed in the hope that it will be useful, but WITHOUT ANY
11; WARRANTY: without even the implied warranty of MERCHANTABILITY or FITNESS
12; FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13; details.
14;
15; You should have received a copy of the GNU General Public License along with
16; AiR-BOOT. If not, see <http://www.gnu.org/licenses/>.
17;
18
19;JUMPS
20
21;
22; THIS SOURCE IS OBSOLETE AND IS REPLACED BY THE C-EQUIVALENT.
23;
24
25Include ../../INCLUDE/ASM.INC
26
27 .386p
28 .model small, basic
29
30airboot group code_seg,bss_data
31
32code_seg segment public use16
33 ;assume cs:code_seg, ds:code_seg, es:nothing, ss:nothing
34 assume cs:airboot, ds:airboot, es:nothing, ss:nothing
35
36 org 100h
37COM_StartUp: jmp COM_Init
38
39COM_Copyright db 'AiR-BOOT Installer for DOS v1.0.8', 13, 10
40 db ' - (c) Copyright 2008-2012 by M. Kiewitz.', 13, 10
41 db 13, 10
42 db '-> ...Please wait... <-', 13, 10, 0
43
44COM_LoadFile db ' - Loading bootcode from file...', 0
45
46COM_ImageName db 'airboot.bin', 0
47
48COM_FailedOpen db 'airboot.bin not found', 13, 10, 0
49COM_FailedRead db 'Read airboot.bin failed', 13, 10, 0
50COM_FailedRead2 db 'Invalid airboot.bin', 13, 10, 0
51COM_FailedAlloc db 'Not enough memory!', 13, 10, 0
52
53COM_LockFailed db 'Unable to lock harddrive', 13, 10, 0
54
55COM_CmdForceCode db 'forcecode'
56COM_CmdForceCodeLen equ 9
57COM_CmdForceConfig db 'forceconfig'
58COM_CmdForceConfigLen equ 11
59COM_CmdSilent db 'silent'
60COM_CmdSilentLen equ 6
61
62TXT_AfterAdd db 13, 10, 'Please hit ENTER to reboot your system...', 0
63TXT_AfterDelete:
64TXT_AfterQuit db 13, 10, 'Please hit ENTER to quit AiR-BOOT Installer for DOS', 0
65
66COM_Init: mov ax, cs
67 mov ds, ax
68 mov es, ax ; CS==DS==ES
69 mov si, offset COM_Copyright
70 call APIShowMessage
71
72 ; Resize our own memory block
73 mov bx, 1000h
74 mov ah, 4Ah
75 int 21h ; DOS: RESIZE MEMORY BLOCK
76
77 ; We now analyse the commandline...
78 mov ah, 62h
79 int 21h ; GET CURRENT PSP (into BX)
80 push es
81 mov es, bx ; ES points now to PSP-Segment
82 xor dh,dh
83 mov byte ptr dl, es:[80h] ; CX - Length of Command-Line
84 or dx, dx
85 jz COM_CmdLineDone
86 mov cx, dx
87 mov si, 81h
88COM_CmdLineLowcaseLoop:
89 or bptr [si], 20h
90 inc si
91 dec cx
92 jnz COM_CmdLineLowcaseLoop
93 mov di, 81h ; Start at that position
94 COM_CmdLineLoop:
95 cmp bptr es:[di], '/'
96 jne COM_CmdLineNextChar
97 ; Found a delimiter
98 inc di
99 dec dx
100 jz COM_CmdLineDone
101 mov cx, COM_CmdSilentLen
102 mov si, offset COM_CmdSilent
103 call COM_CheckCmdParm
104 jne COM_CmdLineNextParm
105 mov Option_Silent, 1
106 COM_CmdLineNextParm:
107 mov cx, COM_CmdForceCodeLen
108 mov si, offset COM_CmdForceCode
109 call COM_CheckCmdParm
110 jne COM_CmdLineNextParm2
111 mov Option_ForceCode, 1
112 COM_CmdLineNextParm2:
113 mov cx, COM_CmdForceConfigLen
114 mov si, offset COM_CmdForceConfig
115 call COM_CheckCmdParm
116 jne COM_CmdLineLoop
117 mov Option_ForceConfig, 1
118 jmp COM_CmdLineLoop
119 COM_CmdLineNextChar:
120 inc di
121 dec dx
122 jnz COM_CmdLineLoop
123 jmp COM_CmdLineDone
124
125COM_CheckCmdParm:
126 push cx
127 push si
128 push di
129 repe cmpsb
130 pop di
131 pop si
132 pop cx
133 retn
134
135COM_CmdLineDone:; Now read airboot.bin into memory at DS:
136 mov si, offset COM_LoadFile
137 call APIShowMessage
138 mov ax, 3D00h
139 mov dx, offset COM_ImageName
140 xor cl, cl
141 int 21h ; DOS: OPEN EXISTING FILE
142 jnc COM_DoneOpen
143 mov si, offset COM_FailedOpen
144 call APIShowError
145
146COM_DoneOpen: mov bx, ax ; BX = Filehandle
147
148 mov ah, 3Fh
149 mov cx, image_size ; Image size
150 mov dx, offset BootImage
151 int 21h ; DOS: READ FILE
152 jnc COM_DoneRead
153 mov si, offset COM_FailedRead
154 call APIShowError
155
156COM_DoneRead: cmp ax, image_size
157 je COM_DoneRead2
158COM_InvalidFile:mov si, offset COM_FailedRead2
159 call APIShowError
160
161COM_DoneRead2: mov ah, 3Fh
162 mov cx, 1
163 mov dx, offset BootImage
164 int 21h ; DOS: READ FILE
165 jc COM_DoneRead3
166 or ax, ax
167 jz COM_DoneRead3 ; EOF -> is now expected
168 jmp COM_InvalidFile
169
170COM_DoneRead3: mov ah, 3Eh
171 int 21h ; DOS: CLOSE FILE
172
173 mov si, offset TXT_Okay
174 call APIShowMessage
175
176 ; And allocate space for reading in track 0 (generic code)
177 mov ah, 48h
178 mov bx, 800h ; 32768 Bytes
179 int 21h ; DOS: ALLOCATE MEMORY
180 jnc COM_DoneAlloc
181 mov si, offset COM_FailedAlloc
182 call APIShowError
183
184COM_DoneAlloc: mov es, ax ; ES = memory space for track 0
185 jmp RunInstaller
186
187; =============================================================================
188APIExitProgram: mov ax, ds
189 mov bx, es
190 cmp ax, bx
191 je AEP_SkipFree
192 mov ah, 49h
193 int 21h ; DOS: FREE MEMORY
194AEP_SkipFree: mov ax, 4C00h
195 int 21h ; DOS: TERMINATE PROGRAM
196
197; =============================================================================
198APIAfterAdd: ; Reboot system
199 mov ax, 8600h
200 mov cx, 65
201 xor dx, dx
202 int 15h ; Wait a little bit...
203 db 0EAh ; Jump to eternity
204 dw 0FFF0h
205 dw 0F000h
206
207APIAfterDelete:
208APIAfterQuit: jmp APIExitProgram
209
210; =============================================================================
211; DS:SI - NUL-terminated message to display to console
212APIShowMessage: push ax
213 push dx
214 push si
215 mov ah, 02h
216ASM_Loop: lodsb
217 or al, al
218 jz ASM_Done
219 mov dl, al
220 int 21h ; DOS: WRITE CHARACTER TO CONSOLE
221 jmp ASM_Loop
222ASM_Done: pop si
223 pop dx
224 pop ax
225 retn
226
227; =============================================================================
228APIShowChar: push ax
229 push dx
230 mov ah, 02h
231 mov dl, al
232 int 21h ; DOS: WRITE CHARACTER TO CONSOLE
233 pop dx
234 pop ax
235 retn
236
237; =============================================================================
238APIShowError: call APIShowMessage
239 call APIExitProgram
240
241; =============================================================================
242; Returns AL - Keyboard character that was pressed
243APIReadKeyboard:mov ah, 07h
244 int 21h ; DOS: DIRECT CONSOLE INPUT
245 ; Result in AL
246 retn
247
248APILockVolume: push ax
249 push bx
250 push cx
251 push dx
252 mov ax, 3000h
253 int 21h ; DOS: GET DOS VERSION
254 cmp ax, 0700h
255 jne ALV_SkipLock
256 mov ax, 440Bh
257 mov cx, 084Bh
258 mov bx, 0303h
259 xor dx, dx
260 int 21h ; DOS 7.0: LOCK PHYSICAL DRIVE
261ALV_SkipLock:
262 pop dx
263 pop cx
264 pop bx
265 pop ax
266 jc ALV_Error
267 retn
268ALV_Error: mov si, offset COM_LockFailed
269 call APIShowError
270
271 Include ../INST_X86/INSTALL.INC ; Execute generic code
272COM_EndOfSegment:
273
274code_seg ends
275
276bss_data segment public use16 'BSS'
277; Space for bootcode-image
278BootImage db 31744 dup (?)
279bss_data ends
280
281 end COM_StartUp
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