slavedspa.asm

来自「TS201 HOSTBOOT源代码 学习TS201 HOSTHOOT」· 汇编 代码 · 共 46 行

/***********************************************************************
       Slave code for MP Boot    
       SlaveDSPB.asm
************************************************************************/

#include "defTS201.h"
#include "TSEZKitDef.h"

/************************************************************************/
.section reset;

	jump _mpslave;;

/************************************** Start of code *****************************************/
.section program;

_mpslave:
//************************* Init System Registers ***********************

	xr0 = 	SYSCON_MP_WID64 | SYSCON_MEM_WID64 | 
			SYSCON_MSH_SLOW | SYSCON_MSH_WT3 | SYSCON_MSH_IDLE |
			SYSCON_MS1_SLOW | SYSCON_MS1_WT3 | SYSCON_MS1_IDLE |
			SYSCON_MS0_SLOW | SYSCON_MS0_WT3 | SYSCON_MS0_IDLE;;
	SYSCON = xr0;;

	SQCTLST = SQCTL_GIE;;				// enable global ints						

	xr0 = IMASKH;;
	xr0 = bset r0 by INT_DMA12_P;;
	IMASKH = xr0;;						// enable AUTODMA0 interrupt
	
	xr0 = 0x00000000;;					// destination = 0
	xr2 = 0x00000000;;
	xr1 = (256 << 16) | 1;;				// count = 256, modify = 1
	xr3 = TCB_INTMEM | TCB_HPRIORITY | TCB_DMAR | TCB_NORMAL | TCB_INT;;	// int mem,prio=norm, dmar, 2D=no,word=norm,int=yes,RQ=enbl,chain=no
	DC12 = xr3:0;;

	nop;;	
	nop;;
	nop;;	
	idle;;
	nop;;
	nop;;
	nop;;
	nop;;