新手提问:
类似于
.equ USERMODE, 0x10
.equ FIQMODE, 0x11
.equ IRQMODE, 0x12
.equ SVCMODE, 0x13
.equ ABORTMODE, 0x17
.equ UNDEFMODE, 0x1b
.equ MODEMASK, 0x1f
.equ NOINT, 0xc0
.equ CPSR_IRQ_EN, 0x80 /* */
.equ CPSR_IRQ_MASK, 0x40 /* disable Interrupt Mode (IRQ) */
.equ CPSR_FIQ_MASK, 0x80 /* disable Fast Interrupt Mode (FIQ) */
.macro HANDLER HandleLabel
...
.endm
.macro LCD_DOFF OPT
.....
.endm
.extern Image_RO_Base
.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 */
这种带“.”的汇编语言的语法知识,需要看什么资料或书! 忘大家指点下!先谢了! |