X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=firmware%2Fapps%2Fmonitor%2Fmonitor.c;h=218afca6efa799a1db5935932575fe0b4b98bdcb;hb=e7d76e189ef558244ef414244d288645f998125b;hp=a678bbc1f0343a7e20b4eb428dc89f16dc7b9145;hpb=6c9b0c0ee024ae117e2b99698fab53556a25eda1;p=goodfet diff --git a/firmware/apps/monitor/monitor.c b/firmware/apps/monitor/monitor.c index a678bbc..218afca 100644 --- a/firmware/apps/monitor/monitor.c +++ b/firmware/apps/monitor/monitor.c @@ -7,11 +7,25 @@ #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 MONITOR_ECHO: + //Echo back the same buffer. + txdata(app,verb,len); + break; case PEEK: cmddata[0]=memorybyte[cmddataword[0]]; txdata(app,verb,1); @@ -22,6 +36,16 @@ void monitorhandle(unsigned char app, 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; @@ -55,6 +79,10 @@ void monitorhandle(unsigned char app, silent=cmddata[0]; txdata(app,verb,1); break; + case MONITOR_CONNECTED: + msp430_init_dco_done(); + txdata(app,verb,0); + break; } } @@ -69,7 +97,9 @@ void monitor_ram_pattern(){ txdata(0x00,0x90,0); //Reboot + #ifdef MSP430 asm("br &0xfffe"); + #endif } //! Return the number of contiguous bytes 0xBEEF, to measure RAM usage.