sim/testsuite/sim/bfin/c_except_illopcode.S

   1 //Original:/proj/frio/dv/testcases/core/c_except_illopcode/c_except_illopcode.dsp
   2 // Spec Reference: c_exception illegal opcode
   3 # mach: bfin
   4 # sim: --environment operating
   5
   6 #include "test.h"
   7 .include "testutils.inc"
   8 start
   9
  10 include(std.inc)
  11 include(selfcheck.inc)
  12 INIT_R_REGS(0);
  13 INIT_P_REGS(0);
  14 //CHECK_INIT(p5, 0xe0000000);
  15 include(symtable.inc)
  16 CHECK_INIT_DEF(p5);
  17
  18 // load address of exception handler
  19
  20 P0 = 0x200C (Z);              // 0xFFE0200C EVT3 EXCEPTION
  21 P0.H = 0xFFE0;
  22 R0 = exception_handler (Z);   // wr address of exception handler to MMR EVT3
  23 R0.H = exception_handler;
  24 [ P0 ] = R0;
  25
  26 //  Jump to User mode and enable exceptions
  27
  28 R0 = MidUserCode (Z);
  29 R0.H = MidUserCode;
  30 RETI = R0;
  31 RTI;            // cause it to go to Midusercode, .dd cause exception
  32
  33 BeginUserCode:
  34 P1 = 1;
  35 P2 = 2;
  36 P3 = 3;
  37 P4 = 4;
  38
  39 CHECKREG(r0, 0x00000000);
  40 CHECKREG(r1, 0x00000001);
  41 CHECKREG(r2, 0x00000002);
  42 CHECKREG(r3, 0x00000003);
  43 // CHECKREG(r4, 0x00000098);
  44 CHECKREG(r5, 0x00000005);
  45 CHECKREG(r6, 0x00000006);
  46 CHECKREG(r7, 0x00000007);
  47 CHECKREG(p1, 0x00000001);
  48 CHECKREG(p2, 0x00000002);
  49 CHECKREG(p3, 0x00000003);
  50 CHECKREG(p4, 0x00000004);
  51
  52 dbg_pass;
  53 //jump 2;
  54 //jump -2;
  55 .dd 0xFFFFFFFF
  56 .dd 0xFFFFFFFF
  57 .dd 0xFFFFFFFF
  58 .dd 0xFFFFFFFF
  59 .dd 0xFFFFFFFF
  60 .dd 0xFFFFFFFF
  61 .dd 0xFFFFFFFF
  62 .dd 0xFFFFFFFF
  63
  64 //dbg_pass;
  65
  66 MidUserCode:
  67 .dd 0xFFFFFFFF
  68 R0 = 0;
  69 R1 = 1;
  70 R2 = 2;
  71 R3 = 3;
  72 CC = R0;
  73 IF !CC JUMP BeginUserCode;
  74
  75 .dd 0xFFFFFFFF
  76 .dd 0xFFFFFFFF
  77 .dd 0xFFFFFFFF
  78 .dd 0xFFFFFFFF
  79 .dd 0xFFFFFFFF
  80 .dd 0xFFFFFFFF
  81 .dd 0xFFFFFFFF
  82 .dd 0xFFFFFFFF
  83
  84 //.code 0x800
  85
  86 exception_handler:
  87 R4 = RETX;   // error handler: RETX has the address of the same Illegal instr
  88 R5 = 5;
  89 R6 = 6;
  90 R7 = 7;
  91 R4 += 4;     // we have to add 4 to point to next instr after return
  92 RETX = R4;
  93
  94 RTX;  // return from exception
  95   //nop;
  96
  97 .section MEM_DATA_ADDR_1,"aw"
  98 .dd 0xDEADBEEF
  99 .dd 0xBAD00BAD