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https://sourceware.org/git/binutils-gdb.git
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100 lines
1.8 KiB
ArmAsm
100 lines
1.8 KiB
ArmAsm
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//Original:/proj/frio/dv/testcases/core/c_except_illopcode/c_except_illopcode.dsp
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// Spec Reference: c_exception illegal opcode
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# mach: bfin
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# sim: --environment operating
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#include "test.h"
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.include "testutils.inc"
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start
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include(std.inc)
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include(selfcheck.inc)
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INIT_R_REGS(0);
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INIT_P_REGS(0);
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//CHECK_INIT(p5, 0xe0000000);
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include(symtable.inc)
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CHECK_INIT_DEF(p5);
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// load address of exception handler
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P0 = 0x200C (Z); // 0xFFE0200C EVT3 EXCEPTION
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P0.H = 0xFFE0;
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R0 = exception_handler (Z); // wr address of exception handler to MMR EVT3
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R0.H = exception_handler;
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[ P0 ] = R0;
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// Jump to User mode and enable exceptions
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R0 = MidUserCode (Z);
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R0.H = MidUserCode;
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RETI = R0;
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RTI; // cause it to go to Midusercode, .dd cause exception
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BeginUserCode:
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P1 = 1;
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P2 = 2;
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P3 = 3;
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P4 = 4;
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CHECKREG(r0, 0x00000000);
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CHECKREG(r1, 0x00000001);
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CHECKREG(r2, 0x00000002);
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CHECKREG(r3, 0x00000003);
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// CHECKREG(r4, 0x00000098);
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CHECKREG(r5, 0x00000005);
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CHECKREG(r6, 0x00000006);
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CHECKREG(r7, 0x00000007);
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CHECKREG(p1, 0x00000001);
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CHECKREG(p2, 0x00000002);
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CHECKREG(p3, 0x00000003);
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CHECKREG(p4, 0x00000004);
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dbg_pass;
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//jump 2;
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//jump -2;
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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//dbg_pass;
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MidUserCode:
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.dd 0xFFFFFFFF
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R0 = 0;
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R1 = 1;
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R2 = 2;
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R3 = 3;
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CC = R0;
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IF !CC JUMP BeginUserCode;
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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.dd 0xFFFFFFFF
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//.code 0x800
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exception_handler:
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R4 = RETX; // error handler: RETX has the address of the same Illegal instr
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R5 = 5;
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R6 = 6;
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R7 = 7;
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R4 += 4; // we have to add 4 to point to next instr after return
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RETX = R4;
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RTX; // return from exception
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//nop;
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.section MEM_DATA_ADDR_1,"aw"
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.dd 0xDEADBEEF
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.dd 0xBAD00BAD
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