setpsr(2)                         SDK R4.11                        setpsr(2)


NAME
       setpsr - set the processor status register (88K Only)

SYNOPSIS
       #include <sys/m88kbcs.h>

       unsigned int  setpsr (newpsr)
       unsigned int  newpsr;

   where:
       newpsr   The bits to be set or cleared in the calling process's psr

DESCRIPTION
       This system call sets several bits in the Processor Status Register
       of the calling process.  These bits control certain aspects of the
       execution of the process.  The bits that may be set are the SER, C,
       and MXM bits.

       Setting the SER bit turns on serial mode.  Clearing this bit allows
       concurrent operation.  Setting the C bit sets the carry bit to one.
       Clearing this bit sets the carry to zero.  Setting the MXM bit
       disables misaligned access exceptions.  Clearing this bit enables
       misaligned access exceptions; in this mode a misaligned access causes
       the system to deliver a SIGBUS signal to the process.  All other bits
       are ignored.

       This call returns the previous setting of the Processor Status
       Register.

ACCESS CONTROL
       No access checking is performed.

RETURN VALUE
       processor status register
                 The processor status register of the calling process.

DIAGNOSTICS
       None.

SEE ALSO
       getpsr(2).


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