的入口地址在哪里定义的。请问下代码段的入口地址是在哪定义的

Question

用的是FL2440的开发板里的2440init.s代码。请问下代码段的入口地址是在哪定义的
GET option.inc
GET memcfg.inc
GET 2440addr.inc

BIT_SELFREFRESH EQU (1<<22)

;Pre-defined constants
USERMODE EQU 0x10
FIQMODE EQU 0x11
IRQMODE EQU 0x12
SVCMODE EQU 0x13
ABORTMODE EQU 0x17
UNDEFMODE EQU 0x1b
MODEMASK EQU 0x1f
NOINT EQU 0xc0

;The location of stacks
UserStack EQU (_STACK_BASEADDRESS-0x3800) ;0x33ff4800 ~
SVCStack EQU (_STACK_BASEADDRESS-0x2800) ;0x33ff5800 ~
UndefStack EQU (_STACK_BASEADDRESS-0x2400) ;0x33ff5c00 ~
AbortStack EQU (_STACK_BASEADDRESS-0x2000) ;0x33ff6000 ~
IRQStack EQU (_STACK_BASEADDRESS-0x1000) ;0x33ff7000 ~
FIQStack EQU (_STACK_BASEADDRESS-0x0) ;0x33ff8000 ~

;Check if tasm.exe(armasm -16 ...@ADS 1.0) is used.
GBLL THUMBCODE
[ {CONFIG} = 16
THUMBCODE SETL {TRUE}
CODE32
|
THUMBCODE SETL {FALSE}
]

    MACRO
MOV_PC_LR
    [ THUMBCODE
    bx lr
    |
    mov pc,lr
    ]
MEND

    MACRO
MOVEQ_PC_LR
    [ THUMBCODE
    bxeq lr
    |
    moveq pc,lr
    ]
MEND

    MACRO

$HandlerLabel HANDLER $HandleLabel