【文章內容簡介】 */.macro HANDLER HandleLabel stmdb sp!, {r0r11, ip, lr} /* push r0r11, ip, lr */ ldr r0, =\HandleLabel ldr r1, [r0] mov lr, pc bx r1 /* call interrupt routine */ ldmia sp!, {r0r11, ip, lr} /* pop r0r11, ip, lr */ subs pc, r14, 4 /* interrupt ret */.endm.equ DON, (16).equ DOFF, (06).macro LCD_DOFF OPT ldr r1, =0x01d2001c ldr r2, =0x9aaa str r2, [r1] ldr r2, =0x0 str r2, [r1, 8] @ GPUPD ldr r2, [r1, 4] bic r2,r2,DON @ change the GPD6 orr r2,r2,\OPT str r2, [r1, 4] @ GPDATD.endm.equ LED1, (18).equ LED2, (19).macro LED_ON NUM ldr r1, =0x01d20010 @ GPCONC ldr r2, =0x0FF5FF55 str r2, [r1] ldr r2, =0x30ff str r2, [r1, 8] @ GPUPC ldr r2, [r1, 4] bic r2,r2,\NUM str r2, [r1, 4] @ GPDATC.endm/**//* extern symbol *//**/ .extern Image_RO_Base /* start of rom code */ .extern Image_RO_Limit /* End of ROM code (=start of ROM data) */ .extern Image_RW_Base /* Base of RAM to initialise */ .extern Image_ZI_Base /* Base and limit of area */ .extern Image_ZI_Limit /* to zero initialise */ .extern Main /* The main entry of mon program *//**//* code *//**/ .textENTRY: b ResetHandler /* for debug */ b HandlerUndef /* handlerUndef */ b HandlerSWI /* SWI interrupt handler*/ b HandlerPabort /* handlerPAbort */ b HandlerDabort /* handlerDAbort */ b . /* handlerReserved */ ldr pc, =HandlerIRQ b HandlerFIQ ***IMPORTANT NOTE*** If the H/W vectored interrutp mode is enabled, The above two instructions should be changed like below, to workaround with H/W bug of S3C44B0X interrupt controller. b HandlerIRQ subs pc,lr, 4 b HandlerIRQ subs pc,lr, 4VECTOR_BRANCH: ldr pc, =HandlerEINT0 /*mGA H/W interrupt vector table */ ldr pc, =HandlerEINT1 /* */ ldr pc, =HandlerEINT2 /* */ ldr pc, =HandlerEINT3 /* */ ldr pc, =HandlerEINT4567 /* */ ldr pc, =HandlerTICK /*mGA */ b . b . ldr pc, =HandlerZDMA0 /*mGB */ ldr pc, =HandlerZDMA1 /* */ ldr pc, =HandlerBDMA0 /* */ ldr pc, =HandlerBDMA1 /* */ ldr pc, =HandlerWDT /* */ ldr pc, =HandlerUERR01 /*mGB */ b . b . ldr pc, =HandlerTIMER0 /*mGC */ ldr pc, =HandlerTIMER1 /* */ ldr pc, =HandlerTIMER2 /* */ ldr pc, =HandlerTIMER3 /* */ ldr pc, =HandlerTIMER4 /* */ ldr pc, =HandlerTIMER5 /*mGC */ b . b . ldr pc, =HandlerURXD0 /*mGD */ ldr pc, =HandlerURXD1 /* */ ldr pc, =HandlerIIC /* */ ldr pc, =HandlerSIO /* */ ldr pc, =HandlerUTXD0 /* */ ldr pc, =HandlerUTXD1 /*mGD */ b . b . ldr pc, =HandlerRTC /*mGKA */ b . /* */ b . /* */ b . /* */ b . /* */ b . /*mGKA */ b . b . ldr pc,=HandlerADC /*mGKB */ b . /* */ b . /* */ b . /* */ b . /* */ b . /*mGKB */ b . b . ldr pc, =EnterPWDN the current contents of the literal pool to be dumped into the current section (which is assumed to be the .text section) at the current location (aligned to a word boundary). .alignHandlerFIQ: HANDLER HandleFIQHandlerIRQ: HANDLER HandleIRQHandlerUndef: HANDLER HandleUndefHandlerSWI: HANDLER HandleSWIHandlerDabort: HANDLER HandleDabortHandlerPabort: HANDLER HandlePabo