sim/testsuite/bfin/e0.s

   1 // assert that we can issue a software exception
   2 // and that the expt number is passed correctly through
   3 // SEQSTAT.
   4 # mach: bfin
   5 # sim: --environment operating
   6
   7         .include "testutils.inc"
   8
   9         start
  10 .ifndef BFIN_HOST
  11         imm32 p0, 0xFFE02000;   /* EVT0 */
  12         P1 = re (Z);            // load a pointer to ihandler interrupt 1
  13         P1.H = re;
  14         [ P0 + (4*3) ] = P1;
  15
  16         R0 = -1;        /* unmask all interrupts */
  17         imm32 p1, 0xFFE02104;
  18         [P1] = R0;
  19
  20         R0 = start_uspace (Z);
  21         R0.H = start_uspace;
  22         RETI = R0;
  23         RTI;
  24 start_uspace:
  25         EXCPT 10;
  26
  27         DBGA ( R1.L , 0x1238 );
  28
  29         dbg_pass;
  30
  31         // ihandler
  32 re:
  33         R0 = SEQSTAT;
  34         R0 <<= (32-6);
  35         R0 >>= (32-6);
  36         R2 = 0x20;
  37         CC = R0 < R2;
  38         IF !CC JUMP _error;
  39         DBGA ( R0.L , 0xa );
  40         R1 = 0x1234 (X);
  41         R1 += 1;
  42         R1 += 1;
  43         R1 += 1;
  44         R1 += 1;
  45         RTX;
  46
  47 _error:
  48         DBGA ( R0.L , EXCPT_PROTVIOL );
  49         dbg_fail;
  50
  51 .endif