Да, курсор в дизассемблере встает на 0 адрес. А далее вот что. Вот листинг дизасемблера по шагам:
Код
50: LDR PC, Reset_Addr ddr
0x00000000 E59FF018 LDR PC,[PC,#0x0018]
137: SaveContext r0,r3 ; Save the workspace plus the current
138: ; return address lr_ und.
0x00000050 E1A00000 NOP PC,[PC,#0x0018]
140: ldr r0,=Undefined_Handler PC}00080
0x00000054 E1A00000 NOP PC,[PC,#0x0018]
141: ldr lr,=Undefined_Handler_end 0
0x00000058 E1A00000 NOP PC,[PC,#0x0018]
144: Undefined_Handler_end ; Reserved vector
0x0000005C E1A00000 NOP R0,R0,R0000000
148:;****************************************************************************
***
149:;* Function Name : SWIHandler Save the workspace plus the current
150:;* Description : This function is called when SWI instruction executed.
151:;* Input : none ined_Addr
152:;* Output : none C,[PC,#0x0018]
153:;****************************************************************************
***
154: 4 E1A00000 NOP PC,[PC,#0x0018]
155: SWIHandler lr,=Undefined_Handler_end 0
0x00000060 E59F0110 LDR R0,[PC,#0x0110]
156: SaveContext r0,r3 ; Save the workspace plus the current
157: ; return address lr_ svc. ssed */
158:
0x00000064 E59F1110 LDR R1,[PC,#0x0110]
159: ldr r0,=SWI_Handler
0x00000068 E5801034 STR R1,[R0,#0x0034]
160: ldr lr,=SWI_Handler_end
0x0000006C E3A00315 MOV R0,#0x54000000
161: bx r0 ; Branch to SWI_Handler.
162:
163: SWI_Handler_end
0x00000070 E3A01004 MOV R1,#0x00000004
164: RestoreContext r0,r3; Return to the instruction following...
165: ; ...the SWI instruction.
166:;****************************************************************************
***
167:;* Function Name : PrefetchAbortHandler SWI_Handler
168:;* Description : This function is called when Prefetch Abort
169:; exception is entered
170:;* Input : none
171:;* Output : none
172:;****************************************************************************
***
173:
174: PrefetchAbortHandler
0x00000074 E5801000 STR R1,[R0]
175: SUB lr,lr,#4 ; Update the link register.
0x00000078 E3A01002 MOV R1,#0x00000002
176: SaveContext r0,r3 ; Save the workspace plus the current ..
177: ; return address lr_abt.
178:
0x0000007C E5801004 STR R1,[R0,#0x0004]
179: ldr r0,=Prefetch_Handler
0x00000080 E3A01000 MOV R1,#0x00000000
180: ldr lr,=Prefetch_Handler_end
0x00000084 E580100C STR R1,[R0,#0x000C]
181: bx r0 ; Branch to Prefetch_Handler.
182:
183:
0x00000088 E3A02802 MOV R2,#0x00020000
0x54000000 00000004 ANDEQ R0,R0,R4
0x54000004 00000002 ANDEQ R0,R0,R2
0x54000008 00000000 ANDEQ R0,R0,R0
и т. д.