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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [frv/] [interrupts/] [privileged_instruction.cgs] - Rev 157

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# frv testcase to generate privileged_instruction interrupt
# mach: frv

        .include "testutils.inc"

        start

        .global dsr
dsr:
        and_spr_immed   -4081,tbr               ; clear tbr.tt
        set_gr_spr      tbr,gr17
        inc_gr_immed    0x060,gr17              ; address of exception handler
        set_bctrlr_0_0  gr17
        set_spr_immed   128,lcr
        set_psr_et      1
        and_spr_immed   0xfffffffb,psr          ; clear psr.s

        set_spr_addr    handler,lr
        set_gr_immed    0,gr16

        set_gr_addr     bad1,gr17
bad1:   rett            0                ; cause interrupt
        test_gr_immed   1,gr16
        set_gr_addr     bad2,gr17
bad2:   rei             0                ; cause interrupt
        test_gr_immed   2,gr16
        set_gr_addr     bad3,gr17
bad3:   witlb           gr0,@(gr0,gr0)  ; cause interrupt
        test_gr_immed   3,gr16
        set_gr_addr     bad4,gr17
bad4:   wdtlb           gr0,@(gr0,gr0)  ; cause interrupt
        test_gr_immed   4,gr16
        set_gr_addr     bad5,gr17
bad5:   itlbi           @(gr0,gr0)      ; cause interrupt
        test_gr_immed   5,gr16
        set_gr_addr     bad6,gr17
bad6:   dtlbi           @(gr0,gr0)      ; cause interrupt
        test_gr_immed   6,gr16

        pass
handler:
        ; check interrupts
        test_spr_immed  0x1,esfr1               ; esr0 is active
        test_spr_gr     epcr0,gr17
        test_spr_bits   0x0001,0,0x1,esr0       ; esr0 is valid
        test_spr_bits   0x003e,1,0x4,esr0       ; esr0.ec is set
        test_spr_bits   0x0800,11,0x0,esr0      ; esr0.eav is not set

        addi            gr16,1,gr16
        movsg           pcsr,gr8
        addi            gr8,4,gr8
        movgs           gr8,pcsr
        rett            0
        fail

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