option.a

来自「一个移植了UCOS 2.51的程序,全部都是源码,没有任何库文件,方便学习者研究」· A 代码 · 共 33 行

#**********OPTIONS*******************************
.equ 	_ISR_STARTADDRESS,	0xc7fff00		/* GCS6:64M DRAM/SDRAM 	*/


#BUSWIDTH; 16,32
    		.global		BUSWIDTH
.equ 		BUSWIDTH,	16


#"DRAM","SDRAM"
    		.data
    		.global		BDRAMTYPE
BDRAMTYPE:	.string		"SDRAM"


#This value has to be TRUE on ROM program.
#This value has to be FALSE in RAM program.
    		.global    	PLLONSTART
.equ		PLLONSTART, 	1

		.global 	PLLCLK
.equ 		PLLCLK,		64000000


		.ifeq PLLCLK-64000000	
.equ 		M_DIV,		56		/* Fin=8MHz Fout=64MHz */
.equ 		P_DIV,		2
.equ 		S_DIV,		1
		.endif

#************************************************
#		.end