| 39,6 → 39,15 |
|---|
| |
| #include "rmodcore.h" /* rmod binary inside a BUFFER array */ |
| |
| /* this version byte is used to tag RMOD so I can easily make sure that |
| * the RMOD struct I find in memory is one that I know. Should the version |
| * mismatch, then it would likely mean that SvarCOM has been upgraded and |
| * RMOD should not be accessed as its structure might no longer be in sync |
| * with what I think it is. |
| * *** INCREMENT THIS AT EACH NEW SVARCOM RELEASE! *** */ |
| #define BYTE_VERSION 3 |
| |
| |
| struct config { |
| unsigned char flags; /* command.com flags, as defined in rmodinit.h */ |
| char *execcmd; |
| 738,6 → 747,7 |
|---|
| /* copy flags to rmod's storage (and enable ECHO) */ |
| rmod->flags = cfg.flags | FLAG_ECHOFLAG; |
| /* printf("rmod installed at %Fp\r\n", rmod); */ |
| rmod->version = BYTE_VERSION; |
| } else { |
| /* printf("rmod found at %Fp\r\n", rmod); */ |
| /* if I was spawned by rmod and FLAG_EXEC_AND_QUIT is set, then I should |
| 744,6 → 754,15 |
|---|
| * die asap, because the command has been executed already, so I no longer |
| * have a purpose in life */ |
| if (rmod->flags & FLAG_EXEC_AND_QUIT) sayonara(rmod); |
| /* */ |
| if (rmod->version != BYTE_VERSION) { |
| outputnl("SVARCOM VERSION CHANGED. SYSTEM HALTED. PLEASE REBOOT YOUR COMPUTER."); |
| _asm { |
| HALT: |
| hlt |
| jmp HALT |
| } |
| } |
| } |
| |
| /* install a few guardvals in memory to detect some cases of overflows */ |