?? swi.lst
字號(hào):
ARM Macro Assembler Page 1
1 00000000 ;/******************************************************
***********************/
2 00000000 ;/* SWI.S: SWI Handler
*/
3 00000000 ;/******************************************************
***********************/
4 00000000 ;/* This file is part of the uVision/ARM development too
ls. */
5 00000000 ;/* Copyright (c) 2005-2006 Keil Software. All rights re
served. */
6 00000000 ;/* This software may only be used under the terms of a
valid, current, */
7 00000000 ;/* end user licence from KEIL for a compatible version
of KEIL software */
8 00000000 ;/* development tools. Nothing else gives you the right
to use this software. */
9 00000000 ;/******************************************************
***********************/
10 00000000
11 00000000 00000020
T_Bit EQU 0x20
12 00000000
13 00000000 PRESERVE8 ; 8-Byte aligned St
ack
14 00000000 AREA SWI_Area, CODE, READONLY
15 00000000 ARM
16 00000000
17 00000000 EXPORT SWI_Handler
18 00000000 SWI_Handler
19 00000000
20 00000000 E92D5000 STMFD SP!, {R12, LR} ; Store R12, LR
21 00000004 E14FC000 MRS R12, SPSR ; Get SPSR
22 00000008 E92D1100 STMFD SP!, {R8, R12} ; Store R8, SPSR
23 0000000C E31C0020 TST R12, #T_Bit ; Check Thumb Bit
24 00000010 115EC0B2 LDRNEH R12, [LR,#-2] ; Thumb: Load Hal
fword
25 00000014 13CCCCFF BICNE R12, R12, #0xFF00 ; Extr
act SWI Number
26 00000018 051EC004 LDREQ R12, [LR,#-4]
; ARM: Load Word
27 0000001C 03CCC4FF BICEQ R12, R12, #0xFF000000 ;
Extract SWI Number
28 00000020
29 00000020 E59F8024 LDR R8, SWI_Count
30 00000024 E15C0008 CMP R12, R8
31 00000028 2A000006 BHS SWI_Dead ; Overflow
32 0000002C E28F801C ADR R8, SWI_Table
33 00000030 E798C10C LDR R12, [R8,R12,LSL #2] ; Load SWI
Function Address
34 00000034 E1A0E00F MOV LR, PC ; Return Address
35 00000038 E12FFF1C BX R12 ; Call SWI Function
36 0000003C
37 0000003C E8BD1100 LDMFD SP!, {R8, R12} ; Load R8, SPSR
38 00000040 E16FF00C MSR SPSR_cxsf, R12 ; Set SPSR
39 00000044 E8FD9000 LDMFD SP!, {R12, PC}^ ; Restore R12 a
nd Return
40 00000048
ARM Macro Assembler Page 2
41 00000048 EAFFFFFE
SWI_Dead
B SWI_Dead ; None Existing SWI
42 0000004C
43 0000004C 00000000
SWI_Cnt EQU (SWI_End-SWI_Table)/4
44 0000004C 00000000
SWI_Count
DCD SWI_Cnt
45 00000050
46 00000050 ; Import user SWI functions here.
47 00000050 ; IMPORT __SWI_0
48 00000050 ; IMPORT __SWI_1
49 00000050 ; IMPORT __SWI_2
50 00000050 ; ...
51 00000050
52 00000050 SWI_Table
53 00000050 ; Insert user SWI functions here
54 00000050 ; DCD __SWI_0 ; SWI 0 F
unction Entry
55 00000050 ; DCD __SWI_1 ; SWI 1 F
unction Entry
56 00000050 ; DCD __SWI_2 ; SWI 2 F
unction Entry
57 00000050 ; ...
58 00000050 SWI_End
59 00000050
60 00000050
61 00000050 END
Command Line: --debug --xref --device=DARMP --apcs=interwork -o.\SWI.o -I"C:\Pr
ogram Files\Keil\ARM\INC\Philips" --list=.\SWI.lst "C:\Program Files\Keil\ARM\R
V30\Startup\SWI.s"
ARM Macro Assembler Page 1 Alphabetic symbol ordering
Relocatable symbols
SWI_Area 00000000
Symbol: SWI_Area
Definitions
At line 14 in file C:\Program
Uses
None
Comment: SWI_Area unused
SWI_Count 0000004C
Symbol: SWI_Count
Definitions
At line 44 in file C:\Program
Uses
At line 29 in file C:\Program
Comment: SWI_Count used once
SWI_Dead 00000048
Symbol: SWI_Dead
Definitions
At line 41 in file C:\Program
Uses
At line 31 in file C:\Program
At line 41 in file C:\Program
SWI_End 00000050
Symbol: SWI_End
Definitions
At line 58 in file C:\Program
Uses
At line 43 in file C:\Program
Comment: SWI_End used once
SWI_Handler 00000000
Symbol: SWI_Handler
Definitions
At line 18 in file C:\Program
Uses
At line 17 in file C:\Program
Comment: SWI_Handler used once
SWI_Table 00000050
Symbol: SWI_Table
Definitions
At line 52 in file C:\Program
Uses
At line 32 in file C:\Program
At line 43 in file C:\Program
6 symbols
ARM Macro Assembler Page 1 Alphabetic symbol ordering
Absolute symbols
SWI_Cnt 00000000
Symbol: SWI_Cnt
Definitions
At line 43 in file C:\Program
Uses
At line 44 in file C:\Program
Comment: SWI_Cnt used once
T_Bit 00000020
Symbol: T_Bit
Definitions
At line 11 in file C:\Program
Uses
At line 23 in file C:\Program
Comment: T_Bit used once
2 symbols
323 symbols in table
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