The pic14 bugs are a bit backed up.
See bug ID 3521376 for more info on _sdcc_gsinit_startup.
http://sourceforge.net/tracker/?func=detail&aid=3521376&group_id=599&atid=100599
If the pointers there are bad, probably other pointers are also not working.
- Don
On Jun 11, V. Bargsten propounded certain bytes, to wit:
> Subject: [Sdcc-user] pic14 problem: program does not work with _sdcc_gsini
>
> Hi,
>
> I am trying to use sdcc (pic14) with a pic16f876a. The compilation works
> but the program does not.
>
> Here is the source, test.c:
> #################
> #define __16f876a
> #include "pic14/pic16f876a.h"
>
> // Setup chip configuration
> __code unsigned short __at(0x2007) _conf = (_CP_OFF &
> _WDT_OFF &
> _BODEN_OFF &
> _PWRTE_ON &
> _HS_OSC &
> _LVP_OFF);
>
> void main(void)
> {
> TRISB = 0x00; // PORT B all output
> PORTB = 0xFF; // Enable all
> while(1) {
> }
> }
> #################
>
> These are the commands I use to compile:
> /opt/cross/bin/sdcc -c -mpic14 -p16f876a -I
> /opt/cross/share/sdcc/non-free/include/ --use-non-free test.c
> gpasm -c test.asm
> gplink test.o /opt/cross/share/sdcc/non-free/lib/pic14/pic16f876a.lib
> /opt/cross/share/sdcc/lib/pic14/libsdcc.lib
> -I/opt/cross/share/sdcc/include/ -a inhx8m -O 1 -o test.hex
>
> Hardware: Just two LEDs at RB2 and RB3 (which stay off).
>
> > sdcc --version
> SDCC :
> mcs51/gbz80/z80/z180/r2k/r3ka/ds390/pic16/pic14/TININative/ds400/hc08/s08
> 3.1.5
> #7873 (Jun 10 2012) (Linux)
>
> I use a bootloader, but the program also does not work when flashed
> directly.
>
> Changing
> STARTUP code 0x0000
> nop
> pagesel __sdcc_gsinit_startup
> goto __sdcc_gsinit_startup
>
> to
>
> STARTUP code 0x0000
> nop
> pagesel _main
> goto _main
>
> in test.asm gives a working program (the leds are on). Another asm
> program compiled with gputils also works.
> What may be the problem here?
>
> Kind Regards,
> Vinzenz
>
>
> ------------------------------------------------------------------------------
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>-- End of excerpt from V. Bargsten'
------------------------------------------------------------------------------
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threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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