Subversion Repositories lxp32

/*

 * This test verifies non-returnable interrupt handling

 * Note: "iret" is never called here

 */

        lc r100, 0x10000000 // test result output pointer

        lcs r101, halt

        lc r102, failure

        lc r103, 0x20000000 // timer: number of pulses (0xFFFFFFFF - infinite)

        lc r104, 0x20000004 // timer: delay between pulses (in cycles)

        lcs r105, success

        lcs r32, 0 // counter

        lcs iv0, test_loop@1 // set IRF to mark the interrupt as non-returnable

        mov cr, 1 // enable timer interrupt

        sw r104, 100 // delay between interrupts

        sw r103, 100 // generate 100 interrupts

        hlt // wait for a non-returnable interrupt

test_loop:

        add r32, r32, 1

        cjmpuge r105, r32, 100 // success

        hlt // wait for a non-returnable interrupt

failure:

        sw r100, 2 // should never reach here

        jmp r101 // halt

success:

        sw r100, 1 // success

halt:

        hlt

        jmp r101 // halt