/*! \file monitor.c
\author Travis Goodspeed
-
- This is an implementation of the SPI protocol
- for the GoodFET project.
+ \brief Local debug monitor.
*/
#include "command.h"
#include "platform.h"
#include "monitor.h"
+//! Call a function by address.
+int fncall(unsigned int adr){
+ int (*machfn)() = 0;
+ machfn= (int (*)()) adr;
+ return machfn();
+}
+
//! Handles a monitor command.
void monitorhandle(unsigned char app,
unsigned char verb,
- unsigned char len){
+ unsigned long len){
switch(verb){
+ default:
+ debugstr("ERROR: Command unsupported by debug monitor.");
+ break;
case PEEK:
cmddata[0]=memorybyte[cmddataword[0]];
txdata(app,verb,1);
cmddata[0]=memorybyte[cmddataword[0]];
txdata(app,verb,1);
break;
+ case CALL:
+ //Set the program counter to cmdword[0];
+ cmddataword[0]=fncall(cmddataword[0]);
+ txdata(app,verb,2);
+ break;
+ case EXEC:
+ //Execute the argument as code from RAM.
+ cmddataword[0]=fncall((u16) cmddataword);
+ txdata(app,verb,2);
+ break;
+ case MONITOR_SIZEBUF:
+ //TODO make the data length target-specific, varying by ram.
+ cmddataword[0]=0x100;
+ txdata(app,verb,2);
+ break;
case MONITOR_CHANGE_BAUD:
//This command, and ONLY this command, does not reply.
setbaud(cmddata[0]);
P5OUT=cmddata[0];
txdata(app,verb,1);
break;
+ case MONITOR_SILENT:
+ silent=cmddata[0];
+ txdata(app,verb,1);
+ break;
}
}