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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [frv/] [interrupts/] [shadow_regs.cgs] - Rev 450

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# FRV testcase for handling of shadow registers SR0-SR4
# mach: frv

        .include "testutils.inc"

        start

        .global tra
tra:
        test_spr_bits   0x800,11,1,psr  ; PSR.ESR set
        test_spr_bits   0x4,2,1,psr     ; PSR.S set

        ; Set up exception handler for later
        and_spr_immed   -4081,tbr               ; clear tbr.tt
        set_gr_spr      tbr,gr7
        inc_gr_immed    2112,gr7                ; address of exception handler
        set_bctrlr_0_0  gr7     ; bctrlr 0,0
        set_spr_immed   128,lcr
        set_psr_et      1

        set_gr_immed    0x11111111,gr4  ; SGR4-7
        set_gr_immed    0x22222222,gr5
        set_gr_immed    0x33333333,gr6
        set_gr_immed    0x44444444,gr7
        set_spr_immed   0x55555555,sr0  ; UGR4-7
        set_spr_immed   0x66666666,sr1
        set_spr_immed   0x77777777,sr2
        set_spr_immed   0x88888888,sr3

        and_spr_immed   0xfffff7ff,psr  ; turn off PSR.ESR
        test_gr_immed   0x11111111,gr4  ; SGR4-7
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7
        test_spr_immed  0x11111111,sr0  ; SGR4-7
        test_spr_immed  0x22222222,sr1
        test_spr_immed  0x33333333,sr2
        test_spr_immed  0x44444444,sr3

        set_spr_immed   0x55555555,sr0  ; SGR4-7
        set_spr_immed   0x66666666,sr1
        set_spr_immed   0x77777777,sr2
        set_spr_immed   0x88888888,sr3
        test_gr_immed   0x55555555,gr4  ; SGR4-7
        test_gr_immed   0x66666666,gr5
        test_gr_immed   0x77777777,gr6
        test_gr_immed   0x88888888,gr7
        test_spr_immed  0x55555555,sr0  ; SGR4-7
        test_spr_immed  0x66666666,sr1
        test_spr_immed  0x77777777,sr2
        test_spr_immed  0x88888888,sr3

        set_gr_immed    0x11111111,gr4  ; SGR4-7
        set_gr_immed    0x22222222,gr5
        set_gr_immed    0x33333333,gr6
        set_gr_immed    0x44444444,gr7
        test_gr_immed   0x11111111,gr4  ; SGR4-7
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7
        test_spr_immed  0x11111111,sr0  ; SGR4-7
        test_spr_immed  0x22222222,sr1
        test_spr_immed  0x33333333,sr2
        test_spr_immed  0x44444444,sr3

        or_spr_immed    0x00000800,psr  ; turn on PSR.ESR
        test_gr_immed   0x11111111,gr4  ; SGR4-7 -- SR0-3 (UGR4-7) are undefined
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7

        set_spr_immed   0x55555555,sr0  ; UGR4-7
        set_spr_immed   0x66666666,sr1
        set_spr_immed   0x77777777,sr2
        set_spr_immed   0x88888888,sr3
        test_gr_immed   0x11111111,gr4  ; SGR4-7
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7
        test_spr_immed  0x55555555,sr0  ; UGR4-7
        test_spr_immed  0x66666666,sr1
        test_spr_immed  0x77777777,sr2
        test_spr_immed  0x88888888,sr3

        and_spr_immed   0xfffffffb,psr  ; turn off PSR.S
        test_spr_immed  0x11111111,sr0  ; SGR4-7
        test_spr_immed  0x22222222,sr1
        test_spr_immed  0x33333333,sr2
        test_spr_immed  0x44444444,sr3
        test_gr_immed   0x55555555,gr4  ; UGR4-7
        test_gr_immed   0x66666666,gr5
        test_gr_immed   0x77777777,gr6
        test_gr_immed   0x88888888,gr7

        ; need to generate a trap to return to supervisor mode
        set_spr_addr    ok0,lr
        tira            gr0,4           ; should branch to tbr + (128 + 4)*16

        test_spr_bits   0x800,11,0,psr  ; PSR.ESR clear
        test_spr_bits   0x4,2,0,psr     ; PSR.S clear
        test_gr_immed   0x11111111,gr4  ; SGR4-7
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7
        test_spr_immed  0x11111111,sr0  ; SGR4-7
        test_spr_immed  0x22222222,sr1
        test_spr_immed  0x33333333,sr2
        test_spr_immed  0x44444444,sr3

        set_gr_immed    0x55555555,gr4  ; SGR4-7
        set_gr_immed    0x66666666,gr5
        set_gr_immed    0x77777777,gr6
        set_gr_immed    0x88888888,gr7
        test_gr_immed   0x55555555,gr4  ; SGR4-7
        test_gr_immed   0x66666666,gr5
        test_gr_immed   0x77777777,gr6
        test_gr_immed   0x88888888,gr7
        test_spr_immed  0x55555555,sr0  ; SGR4-7
        test_spr_immed  0x66666666,sr1
        test_spr_immed  0x77777777,sr2
        test_spr_immed  0x88888888,sr3

        set_gr_immed    0x11111111,gr4  ; SGR4-7
        set_gr_immed    0x22222222,gr5
        set_gr_immed    0x33333333,gr6
        set_gr_immed    0x44444444,gr7
        test_gr_immed   0x11111111,gr4  ; SGR4-7
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7
        test_spr_immed  0x11111111,sr0  ; SGR4-7
        test_spr_immed  0x22222222,sr1
        test_spr_immed  0x33333333,sr2
        test_spr_immed  0x44444444,sr3

        ; need to generate a trap to return to supervisor mode
        set_spr_addr    ok1,lr
        tira            gr0,4           ; should branch to tbr + (128 + 4)*16

        pass

ok0:    ; exception handler should branch here the first time
        test_spr_bits   0x800,11,1,psr  ; PSR.ESR set
        test_spr_bits   0x4,2,1,psr     ; PSR.S set
        test_gr_immed   0x11111111,gr4  ; SGR4-7
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7
        test_spr_immed  0x55555555,sr0  ; UGR4-7
        test_spr_immed  0x66666666,sr1
        test_spr_immed  0x77777777,sr2
        test_spr_immed  0x88888888,sr3

        and_spr_immed   0xfffff7ff,psr  ; turn off PSR.ESR
        test_gr_immed   0x11111111,gr4  ; SGR4-7
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7
        test_spr_immed  0x11111111,sr0  ; SGR4-7
        test_spr_immed  0x22222222,sr1
        test_spr_immed  0x33333333,sr2
        test_spr_immed  0x44444444,sr3
        rett            0
        fail

ok1:    ; exception handler should branch here the second time
        test_spr_bits   0x800,11,0,psr  ; PSR.ESR clear
        test_spr_bits   0x4,2,1,psr     ; PSR.S set

        test_gr_immed   0x11111111,gr4  ; SGR4-7
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7
        test_spr_immed  0x11111111,sr0  ; SGR4-7
        test_spr_immed  0x22222222,sr1
        test_spr_immed  0x33333333,sr2
        test_spr_immed  0x44444444,sr3

        set_spr_immed   0x55555555,sr0  ; SGR4-7
        set_spr_immed   0x66666666,sr1
        set_spr_immed   0x77777777,sr2
        set_spr_immed   0x88888888,sr3
        test_gr_immed   0x55555555,gr4  ; SGR4-7
        test_gr_immed   0x66666666,gr5
        test_gr_immed   0x77777777,gr6
        test_gr_immed   0x88888888,gr7
        test_spr_immed  0x55555555,sr0  ; SGR4-7
        test_spr_immed  0x66666666,sr1
        test_spr_immed  0x77777777,sr2
        test_spr_immed  0x88888888,sr3

        set_gr_immed    0x11111111,gr4  ; SGR4-7
        set_gr_immed    0x22222222,gr5
        set_gr_immed    0x33333333,gr6
        set_gr_immed    0x44444444,gr7
        test_gr_immed   0x11111111,gr4  ; SGR4-7
        test_gr_immed   0x22222222,gr5
        test_gr_immed   0x33333333,gr6
        test_gr_immed   0x44444444,gr7
        test_spr_immed  0x11111111,sr0  ; SGR4-7
        test_spr_immed  0x22222222,sr1
        test_spr_immed  0x33333333,sr2
        test_spr_immed  0x44444444,sr3
        rett            0
        fail

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