Except that the value passed in as is will have to be between 0 and 65535( max range for a 16bit type ).
On Sat, Aug 2, 2014 at 3:28 PM, William Hermans <[email protected]> wrote: > Manish, > > I have no idea how the underlying code uses this value so I could not give > an 100% accurate answer. > > > On Sat, Aug 2, 2014 at 8:59 AM, manish <[email protected]> wrote: > >> So, what value I should use to enable privileged mode of BeagleBoneBlack? >> >> void CPUSwitchToPrivilegedMode(void) >> { >> asm(" SWI ??????"); >> } >> >> On Saturday, August 2, 2014 6:01:30 PM UTC+5:30, William Hermans wrote: >> >>> *Can anyone help me to fix this problem? Is it a gcc compiler issue or >>>> issue with the code.* >>>> >>> >>> Aside from 458752 being about 7 times to big to fit in a 16 bit field ? >>> >>> >>> On Sat, Aug 2, 2014 at 4:00 AM, manish <[email protected]> wrote: >>> >>>> >>>> Hi, >>>> >>>> I am trying to compile the uart code comes >>>> with AM335X_StarterWare_02_00_01_01 for BeagleBoneBlack. >>>> But I get below error : >>>> >>>> /tmp/ccKSsL5N.s:43: Error: invalid swi expression >>>> /tmp/ccKSsL5N.s:43: Error: value of 0000000000070000 too large for >>>> field of 2 bytes at 0000000000000004 >>>> >>>> >>>> this error comes for the below code: >>>> >>>> ************************************************************ >>>> ******************/ >>>> /** >>>> * \brief This API can be used to switch from user mode to >>>> privileged mode >>>> * The priviledge mode will be system mode. System mode will >>>> share >>>> * the same resources as user mode, but with privileges. >>>> * >>>> * \param None. >>>> * >>>> * \return None. >>>> * >>>> * Note : All the access to system configuration which needs privileged >>>> access >>>> * can be done after calling this API. >>>> **/ >>>> void CPUSwitchToPrivilegedMode(void) >>>> { >>>> asm(" SWI 458752"); >>>> } >>>> >>>> I do not see any issue with this instructions as the last bits should >>>> be set to 1 to operate in privileged mode. >>>> Please refer http://www.riscos.com/support/developers/prm/swis. >>>> html#57602 >>>> >>>> Can anyone help me to fix this problem? Is it a gcc compiler issue or >>>> issue with the code. >>>> >>>> Thanks & Regards, >>>> Manish >>>> >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "BeagleBoard" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
