diff options
Diffstat (limited to 'sim/testsuite/bfin/c_except_user_mode.S')
| -rw-r--r-- | sim/testsuite/bfin/c_except_user_mode.S | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/sim/testsuite/bfin/c_except_user_mode.S b/sim/testsuite/bfin/c_except_user_mode.S new file mode 100644 index 00000000000..8c71bd7f3a9 --- /dev/null +++ b/sim/testsuite/bfin/c_except_user_mode.S @@ -0,0 +1,349 @@ +//Original:/proj/frio/dv/testcases/core/c_except_user_mode/c_except_user_mode.dsp +// Spec Reference: except_mode_user +# mach: bfin +# sim: --environment operating + +#include "test.h" +.include "testutils.inc" +start + +include(std.inc) +include(selfcheck.inc) +include(gen_int.inc) +INIT_R_REGS(0); +INIT_P_REGS(0); +INIT_I_REGS(0); // initialize the dsp address regs +INIT_M_REGS(0); +INIT_L_REGS(0); +INIT_B_REGS(0); +//CHECK_INIT(p5, 0xe0000000); +include(symtable.inc) +CHECK_INIT_DEF(p5); + +#ifndef STACKSIZE +#define STACKSIZE 0x10 +#endif +#ifndef EVT +#define EVT 0xFFE02000 +#endif +#ifndef EVT15 +#define EVT15 0xFFE0203C +#endif +#ifndef EVT_OVERRIDE +#define EVT_OVERRIDE 0xFFE02100 +#endif +// + +////MY_GEN_INT_INIT(0xF0000000) // set location for interrupt table + +// +// Reset/Bootstrap Code +// (Here we should set the processor operating modes, initialize registers, +// etc.) +// + +BOOT: + + // in reset mode now +LD32_LABEL(sp, KSTACK); // setup the stack pointer +FP = SP; // and frame pointer + +LD32(p0, EVT); // Setup Event Vectors and Handlers +LD32_LABEL(r0, EHANDLE); // Emulation Handler (Int0) + [ P0 ++ ] = R0; + +LD32_LABEL(r0, RHANDLE); // Reset Handler (Int1) + [ P0 ++ ] = R0; + +LD32_LABEL(r0, NHANDLE); // NMI Handler (Int2) + [ P0 ++ ] = R0; + +LD32_LABEL(r0, XHANDLE); // Exception Handler (Int3) + [ P0 ++ ] = R0; + + [ P0 ++ ] = R0; // IVT4 not used + +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; + R0 = -1; // Change this to mask interrupts (*) + [ P0 ] = R0; // 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 + +// 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; // execute this instr put us in USER mode + +STARTSUP: +LD32_LABEL(p1, BEGIN); + +LD32(p0, EVT15); + [ P0 ] = P1; // IVG15 (General) handler (Int 15) load with start + +RAISE 15; // after we RTI, INT 15 should be taken,& return to BEGIN in + // USER MODE & go to different RAISE in USER mode + // until the end of the test. + +NOP; // Workaround for Bug 217 +RTI; + +// +// The Main Program +// +STARTUSER: +LD32_LABEL(sp, USTACK); // setup the stack pointer +FP = SP; // set frame pointer +JUMP BEGIN; + +//********************************************************************* + +BEGIN: + + // COMMENT the following line for USER MODE tests + [ -- SP ] = RETI; // enable interrupts in supervisor mode + + // **** YOUR CODE GOES HERE **** + + + + // PUT YOUR TEST HERE! + // Can't Raise 0, 3, or 4 + // Raise 1 requires some intelligence so the test + // doesn't loop forever - use SFTRESET bit in SEQSTAT (TBD) +RAISE 2; // RTN // exception because we execute this in USER mode +RAISE 5; // RTI +RAISE 6; // RTI +RAISE 7; // RTI +RAISE 8; // RTI +RAISE 9; // RTI +RAISE 10; // RTI +RAISE 11; // RTI +RAISE 12; // RTI +RAISE 13; // RTI +RAISE 14; // RTI + +R0 = I0; +R1 = I1; +R2 = I2; +R3 = I3; +R4 = M0; +R5 = M1; +R6 = M2; +R7 = M3; + + +CHECKREG(r0, 0x00000018); +CHECKREG(r2, 0x00000000); +CHECKREG(r3, 0x00000000); +CHECKREG(r4, 0x00000000); +CHECKREG(r5, 0x00000000); +CHECKREG(r6, 0x00000000); +CHECKREG(r7, 0x00000000); + + +END: +dbg_pass; // End the test + +//********************************************************************* + +// +// Handlers for Events +// + +EHANDLE: // Emulation Handler 0 +RTE; + +RHANDLE: // Reset Handler 1 +RTI; + +NHANDLE: // NMI Handler 2 + R0 = RETN; + R0 += 2; + I0 += 2; + I1 += 2; + I2 += 2; + I3 += 2; +RETN = r0; +RTN; + +XHANDLE: // Exception Handler 3 + R1 = RETX; + I0 += 2; + R1 += 2; // for return address +RETX = r1; +RTX; + +HWHANDLE: // HW Error Handler 5 + R2 = RETI; + R2 += 2; + I0 += 2; + I1 += 2; +RETI = r2; +RTI; + +THANDLE: // Timer Handler 6 + R3 = RETI; + I0 += 2; + I1 += 2; + I2 += 2; + R3 += 2; +RETI = r3; +RTI; + +I7HANDLE: // IVG 7 Handler + R4 = RETI; + I0 += 2; + I1 += 2; + I3 += 2; + R4 += 2; +RETI = r4; +RTI; + +I8HANDLE: // IVG 8 Handler + R5 = RETI; + I0 += 2; + I1 += 2; + I2 += 2; + I3 += 2; + R5 += 2; +RETI = r5; +RTI; + +I9HANDLE: // IVG 9 Handler + R6 = RETI; + I0 += 2; + I1 += 2; + I2 += 2; + I3 += 2; + R6 += 2; +RETI = r6; +RTI; + +I10HANDLE: // IVG 10 Handler + R7 = RETI; + I0 += 2; + I1 += 2; + I2 += 2; + I3 += 2; + R7 += 2; +RETI = r7; +RTI; + +I11HANDLE: // IVG 11 Handler + R0 = RETI; + R0 += 2; + M0 = I0; + M1 = I1; + M2 = I2; + M3 = I3; +RETI = r0; +RTI; + +I12HANDLE: // IVG 12 Handler + R1 = RETI; + I0 += 2; + I1 += 2; + I2 += 2; + I3 += 2; + R1 += 2; +RETI = r1; +RTI; + +I13HANDLE: // IVG 13 Handler + R2 = RETI; + I0 += 2; + I1 += 2; + I2 += 2; + I3 += 2; + R2 += 2; +RETI = r2; +RTI; + +I14HANDLE: // IVG 14 Handler + R3 = RETI; + I0 += 2; + I1 += 2; + I2 += 2; + I3 += 2; + R3 += 2; +RETI = r3; +RTI; + +I15HANDLE: // IVG 15 Handler + I0 += 2; + I1 += 2; + I2 += 2; + I3 += 2; +RTI; + +// nop;nop;nop;nop;nop;nop;nop; // needed for icache bug + +// +// Data Segment +// + +.data +DATA: + .space (0x10); + +// Stack Segments (Both Kernel and User) + + .space (STACKSIZE); +KSTACK: + + .space (STACKSIZE); +USTACK: +// .space (STACKSIZE); // adding this may solve the problem |