blob: 8c71bd7f3a9750aefcaabf82fff128a6c5a18685 [file] [log] [blame]
//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