diff options
Diffstat (limited to 'sim/testsuite/bfin/se_bug_ui.S')
| -rw-r--r-- | sim/testsuite/bfin/se_bug_ui.S | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/sim/testsuite/bfin/se_bug_ui.S b/sim/testsuite/bfin/se_bug_ui.S new file mode 100644 index 0000000..4922d97 --- /dev/null +++ b/sim/testsuite/bfin/se_bug_ui.S @@ -0,0 +1,296 @@ +//Original:/proj/frio/dv/testcases/seq/se_bug_ui/se_bug_ui.dsp +// Description: 16 bit special cases Undefined Instructions in Supervisor Mode +# mach: bfin +# sim: --environment operating + +#include "test.h" +.include "testutils.inc" +start + +// +// Constants and Defines +// + +include(gen_int.inc) +include(selfcheck.inc) +include(std.inc) +include(mmrs.inc) +include(symtable.inc) + +#ifndef STACKSIZE +#define STACKSIZE 0x10 // change for how much stack you need +#endif +#ifndef ITABLE +#define ITABLE 0xF0000000 +#endif + +GEN_INT_INIT(ITABLE) // set location for interrupt table + +// +// Reset/Bootstrap Code +// (Here we should set the processor operating modes, initialize registers, +// etc.) +// + +BOOT: +INIT_R_REGS(0); // initialize general purpose regs + +INIT_P_REGS(0); // initialize the pointers + +INIT_I_REGS(0); // initialize the dsp address regs +INIT_M_REGS(0); +INIT_L_REGS(0); +INIT_B_REGS(0); + +CLI R1; // inhibit events during MMR writes + +LD32_LABEL(sp, USTACK); // setup the user stack pointer +USP = SP; + +LD32_LABEL(sp, KSTACK); // setup the kernel stack pointer +FP = SP; // and frame pointer + +LD32(p0, EVT0); // Setup Event Vectors and Handlers + + P0 += 4; // EVT0 not used (Emulation) + + P0 += 4; // EVT1 not used (Reset) + +LD32_LABEL(r0, NHANDLE); // NMI Handler (Int2) + [ P0 ++ ] = R0; + +LD32_LABEL(r0, XHANDLE); // Exception Handler (Int3) + [ P0 ++ ] = R0; + + P0 += 4; // EVT4 not used (Global Interrupt Enable) + +LD32_LABEL(r0, HWHANDLE); // HW Error Handler (Int5) + [ P0 ++ ] = R0; + +LD32_LABEL(r0, THANDLE); // Timer Handler (Int6) + [ P0 ++ ] = R0; + +LD32_LABEL(r0, I7HANDLE); // IVG7 Handler + [ P0 ++ ] = R0; + +LD32_LABEL(r0, I8HANDLE); // IVG8 Handler + [ P0 ++ ] = R0; + +LD32_LABEL(r0, I9HANDLE); // IVG9 Handler + [ P0 ++ ] = R0; + +LD32_LABEL(r0, I10HANDLE);// IVG10 Handler + [ P0 ++ ] = R0; + +LD32_LABEL(r0, I11HANDLE);// IVG11 Handler + [ P0 ++ ] = R0; + +LD32_LABEL(r0, I12HANDLE);// IVG12 Handler + [ P0 ++ ] = R0; + +LD32_LABEL(r0, I13HANDLE);// IVG13 Handler + [ P0 ++ ] = R0; + +LD32_LABEL(r0, I14HANDLE);// IVG14 Handler + [ P0 ++ ] = R0; + +LD32_LABEL(r0, I15HANDLE);// IVG15 Handler + [ P0 ++ ] = R0; + +LD32(p0, EVT_OVERRIDE); + R0 = 0; + [ P0 ++ ] = R0; + + R1 = -1; // Change this to mask interrupts (*) +CSYNC; // wait for MMR writes to finish +STI R1; // sync and reenable events (implicit write to IMASK) + +DUMMY: + + R0 = 0 (Z); + +LT0 = r0; // set loop counters to something deterministic +LB0 = r0; +LC0 = r0; +LT1 = r0; +LB1 = r0; +LC1 = r0; + +ASTAT = r0; // reset other internal regs +SYSCFG = r0; +RETS = r0; // prevent X's breaking LINK instruction + +// The following code sets up the test for running in USER mode + +LD32_LABEL(r0, STARTUSER);// One gets to user mode by doing a + // ReturnFromInterrupt (RTI) +RETI = r0; // We need to load the return address + +// Comment the following line for a USER Mode test + +JUMP STARTSUP; // jump to code start for SUPERVISOR mode + +RTI; + +STARTSUP: +LD32_LABEL(p1, BEGIN); + +LD32(p0, EVT15); + +CLI R1; // inhibit events during write to MMR + [ P0 ] = P1; // IVG15 (General) handler (Int 15) load with start +CSYNC; // wait for it +STI R1; // reenable events with proper imask + +RAISE 15; // after we RTI, INT 15 should be taken + +RTI; + +// +// The Main Program +// + +STARTUSER: + +LINK 0; // change for how much stack frame space you need. + +JUMP BEGIN; + +//********************************************************************* + +BEGIN: + + // COMMENT the following line for USER MODE tests + [ -- SP ] = RETI; // enable interrupts in supervisor mode + + // **** YOUR CODE GOES HERE **** + + // count of UI's will be in r5, which was initialized to 0 by header + + .dw 0x41FD ; + .dw 0x41FE ; + .dw 0x41FF ; + .dw 0x9040 ; + .dw 0x9049 ; + .dw 0x9052 ; + .dw 0x905B ; + .dw 0x9064 ; + .dw 0x906D ; + .dw 0x9076 ; + .dw 0x907F ; + .dw 0x90C0 ; + .dw 0x90C9 ; + .dw 0x90D2 ; + .dw 0x90DB ; + .dw 0x90E4 ; + .dw 0x90ED ; + .dw 0x90F6 ; + .dw 0x90FF ; + .dw 0x9180 ; + + +CHECK_INIT_DEF(p0); //CHECK_INIT(p0, 0xFF7FFFFC); + // Xhandler counts all EXCAUSE = 0x21; +CHECKREG(r5, 20); // count of all 16 bit UI's. + +END: +dbg_pass; // End the test + +//********************************************************************* + +// +// Handlers for Events +// + +NHANDLE: // NMI Handler 2 +RTN; + +XHANDLE: // Exception Handler 3 + // 16 bit illegal opcode handler - skips bad instruction + + // handler MADE LEAN and destructive so test runs more quckly + // se_undefinedinstruction1.dsp tests using a "nice" handler + +// [--sp] = ASTAT; // save what we damage +// [--sp] = (r7 - r6); + R7 = SEQSTAT; + R7 <<= 26; + R7 >>= 26; // only want EXCAUSE + R6 = 0x21; // EXCAUSE 0x21 means I-Fetch Undefined Instruction +CC = r7 == r6; +IF CC JUMP UNDEFINEDINSTRUCTION; // If EXCAUSE != 0x21 then leave + + R6 = 0x22; // Also accept illegal insn combo +CC = r7 == r6; +IF CC JUMP UNDEFINEDINSTRUCTION; // If EXCAUSE != 0x21 then leave + +dbg_fail; + +UNDEFINEDINSTRUCTION: + R7 = RETX; // Fix up return address + + R7 += 2; // skip offending 16 bit instruction + +RETX = r7; // and put back in RETX + + R5 += 1; // Increment global counter + +OUT: +// (r7 - r6) = [sp++]; +// ASTAT = [sp++]; + +RTX; + +HWHANDLE: // HW Error Handler 5 +RTI; + +THANDLE: // Timer Handler 6 +RTI; + +I7HANDLE: // IVG 7 Handler +RTI; + +I8HANDLE: // IVG 8 Handler +RTI; + +I9HANDLE: // IVG 9 Handler +RTI; + +I10HANDLE: // IVG 10 Handler +RTI; + +I11HANDLE: // IVG 11 Handler +RTI; + +I12HANDLE: // IVG 12 Handler +RTI; + +I13HANDLE: // IVG 13 Handler +RTI; + +I14HANDLE: // IVG 14 Handler +RTI; + +I15HANDLE: // IVG 15 Handler +RTI; + + + // padding for the icache + +EXCPT 0; EXCPT 0; EXCPT 0; EXCPT 0; EXCPT 0; EXCPT 0; EXCPT 0; + +// +// Data Segment +// + +.data +DATA: + .space (0x10); + +// Stack Segments (Both Kernel and User) + + .space (STACKSIZE); +KSTACK: + + .space (STACKSIZE); +USTACK: |