出现在retarget_.s这个文件，在VIC_MODE那一行。已用标记标出。
GET option.inc
AREA |C$$code|, CODE, READONLY
Mode_USR EQU 0x10
Mode_FIQ EQU 0x11
Mode_IRQ EQU 0x12
Mode_SVC EQU 0x13
Mode_ABT EQU 0x17
Mode_UND EQU 0x1b
Mode_SYS EQU 0x1f
I_Bit EQU 0x80
F_Bit EQU 0x40
Size_FIQ_Stack EQU 256
Size_IRQ_Stack EQU 256
Size_ABT_Stack EQU 256
Size_UND_Stack EQU 256
Size_SVC_Stack EQU 8192
Offset_FIQ_Stack EQU 0
Offset_IRQ_Stack EQU Offset_FIQ_Stack + Size_FIQ_Stack
Offset_ABT_Stack EQU Offset_IRQ_Stack + Size_IRQ_Stack
Offset_UND_Stack EQU Offset_ABT_Stack + Size_ABT_Stack
Offset_SVC_Stack EQU Offset_UND_Stack + Size_UND_Stack
EXPORT __user_initial_stackheap
__user_initial_stackheap
ldr r0,=top_of_stacks
msr CPSR_c,#Mode_FIQ:OR:I_Bit:OR:F_Bit
sub sp,r0,#Offset_FIQ_Stack
msr CPSR_c,#Mode_IRQ:OR:I_Bit:OR:F_Bit
sub sp,r0,#Offset_IRQ_Stack
msr CPSR_c,#Mode_ABT:OR:I_Bit:OR:F_Bit
sub sp,r0,#Offset_ABT_Stack
msr CPSR_c,#Mode_UND:OR:I_Bit:OR:F_Bit
sub sp,r0,#Offset_UND_Stack
msr CPSR_c,#Mode_SVC:OR:I_Bit:OR:F_Bit
sub r1,r0,#Offset_SVC_Stack
;IMPORT |Image$$ZI$$Limit|
;LDR r0, =|Image$$ZI$$Limit|
ldr r0, =base_of_heap
mov r2,#0
mov r3,#0
mov pc,lr
;-------------------------------------------------------
[ (VIC_MODE = 0) ;出错在这一行
IMPORT IntHandlerTable
EXPORT IsrIRQ
IsrIRQ
sub sp,sp,#4 ; reserved for PC
stmfd sp!,{r8-r9}
ldr r9,=0x71200f00 ; rVIC0ADDR
ldr r9,[r9]
ldr r8,=IntHandlerTable
add r8,r8,r9,lsl #2
ldr r8,[r8]
str r8,[sp,#8]
ldmfd sp!,{r8-r9,pc}
]
LTORG
END
