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# frv testcase to generate interrupt for st $GRk,@($GRi,$GRj)
# mach: fr500 frv
        .include "testutils.inc"
 
        start
 
        .global align
align:
        and_spr_immed   -4081,tbr               ; clear tbr.tt
        set_gr_spr      tbr,gr17
        inc_gr_immed    0x100,gr17              ; address of exception handler
        set_bctrlr_0_0  gr17
        set_spr_immed   128,lcr
        set_spr_addr    ok1,lr
        set_psr_et      1
        set_gr_immed    0xdeadbeef,gr17
        set_gr_immed    0,gr15
        inc_gr_immed    2,sp            ; out of alignment
 
        test_spr_bits   1,0,1,isr       ; mem_address_not_aligned is masked
        sti             gr17,@(sp,0)    ; no exception
        ldi             @(sp,-2),gr18   ; stored at aligned address
        test_gr_immed   0xdeadbeef,gr18
        ldi             @(sp,0),gr19    ; no exception
        test_gr_immed   0xdeadbeef,gr19
 
        and_spr_immed   0xfffffffe,isr  ; turn off ISR.EMAM
        set_gr_addr     bad1,gr16
bad1:   sti             gr17,@(sp,0)    ; misaligned write in slot I1
        test_gr_immed   1,gr15
 
        set_gr_addr     bad3,gr16
        set_gr_gr       sp,gr20
        set_gr_immed    1,gr21
        set_gr_immed    0x10101010,gr10
bad2:   nop.p
bad3:   ldu             @(sp,gr21),gr10 ; misaligned read in slot I2
        test_gr_immed   2,gr15          ; handler was called
        test_gr_immed   0x10101010,gr10 ; gr10 not updated
        test_gr_immed   1,gr21          ; gr21 not updated
        inc_gr_immed    1,gr20
        test_gr_gr      gr20,sp         ; sp updated
 
        pass
 
; exception handler
ok1:
        cmpi            gr15,0,icc0
        bne             icc0,0,load
        ; handle interrupt on store
        test_spr_immed  0x100,esfr1             ; esr8 is active
        test_spr_gr     epcr8,gr16
        test_spr_bits   0x0001,0,0x1,esr8       ; esr8 is valid
        test_spr_bits   0x003e,1,0xb,esr8       ; esr8.ec is set
        test_spr_bits   0x0800,11,0x1,esr8      ; esr8.eav is set
        test_spr_gr     ear8,sp
        test_spr_bits   0x01000,12,0x1,esr8     ; esr8.edv is set
        test_spr_bits   0x1e000,13,0x3,esr8     ; esr8.edn is 3
        test_spr_gr     edr3,gr17               ; edr3 is set
        bra             ret
load:
        ; handle interrupt on load
        test_spr_immed  0x200,esfr1             ; esr9 is active
        test_spr_gr     epcr9,gr16
        test_spr_bits   0x0001,0,0x1,esr9       ; esr9 is valid
        test_spr_bits   0x003e,1,0xb,esr9       ; esr9.ec is set
        test_spr_bits   0x0800,11,0x1,esr9      ; esr9.eav is set
        test_spr_gr     ear9,sp
        test_spr_bits   0x1000,12,0x0,esr9      ; esr9.edv is not set
ret:
        inc_gr_immed    1,gr15
        rett            0
        fail

Line No.	Rev	Author	Line
1	24	jeremybenn	`# frv testcase to generate interrupt for st $GRk,@($GRi,$GRj)`
2			`# mach: fr500 frv`
3			`.include "testutils.inc"`
4
5			`start`
6
7			`.global align`
8			`align:`
9			`and_spr_immed -4081,tbr ; clear tbr.tt`
10			`set_gr_spr tbr,gr17`
11			`inc_gr_immed 0x100,gr17 ; address of exception handler`
12			`set_bctrlr_0_0 gr17`
13			`set_spr_immed 128,lcr`
14			`set_spr_addr ok1,lr`
15			`set_psr_et 1`
16			`set_gr_immed 0xdeadbeef,gr17`
17			`set_gr_immed 0,gr15`
18			`inc_gr_immed 2,sp ; out of alignment`
19
20			`test_spr_bits 1,0,1,isr ; mem_address_not_aligned is masked`
21			`sti gr17,@(sp,0) ; no exception`
22			`ldi @(sp,-2),gr18 ; stored at aligned address`
23			`test_gr_immed 0xdeadbeef,gr18`
24			`ldi @(sp,0),gr19 ; no exception`
25			`test_gr_immed 0xdeadbeef,gr19`
26
27			`and_spr_immed 0xfffffffe,isr ; turn off ISR.EMAM`
28			`set_gr_addr bad1,gr16`
29			`bad1: sti gr17,@(sp,0) ; misaligned write in slot I1`
30			`test_gr_immed 1,gr15`
31
32			`set_gr_addr bad3,gr16`
33			`set_gr_gr sp,gr20`
34			`set_gr_immed 1,gr21`
35			`set_gr_immed 0x10101010,gr10`
36			`bad2: nop.p`
37			`bad3: ldu @(sp,gr21),gr10 ; misaligned read in slot I2`
38			`test_gr_immed 2,gr15 ; handler was called`
39			`test_gr_immed 0x10101010,gr10 ; gr10 not updated`
40			`test_gr_immed 1,gr21 ; gr21 not updated`
41			`inc_gr_immed 1,gr20`
42			`test_gr_gr gr20,sp ; sp updated`
43
44			`pass`
45
46			`; exception handler`
47			`ok1:`
48			`cmpi gr15,0,icc0`
49			`bne icc0,0,load`
50			`; handle interrupt on store`
51			`test_spr_immed 0x100,esfr1 ; esr8 is active`
52			`test_spr_gr epcr8,gr16`
53			`test_spr_bits 0x0001,0,0x1,esr8 ; esr8 is valid`
54			`test_spr_bits 0x003e,1,0xb,esr8 ; esr8.ec is set`
55			`test_spr_bits 0x0800,11,0x1,esr8 ; esr8.eav is set`
56			`test_spr_gr ear8,sp`
57			`test_spr_bits 0x01000,12,0x1,esr8 ; esr8.edv is set`
58			`test_spr_bits 0x1e000,13,0x3,esr8 ; esr8.edn is 3`
59			`test_spr_gr edr3,gr17 ; edr3 is set`
60			`bra ret`
61			`load:`
62			`; handle interrupt on load`
63			`test_spr_immed 0x200,esfr1 ; esr9 is active`
64			`test_spr_gr epcr9,gr16`
65			`test_spr_bits 0x0001,0,0x1,esr9 ; esr9 is valid`
66			`test_spr_bits 0x003e,1,0xb,esr9 ; esr9.ec is set`
67			`test_spr_bits 0x0800,11,0x1,esr9 ; esr9.eav is set`
68			`test_spr_gr ear9,sp`
69			`test_spr_bits 0x1000,12,0x0,esr9 ; esr9.edv is not set`
70			`ret:`
71			`inc_gr_immed 1,gr15`
72			`rett 0`
73			`fail`

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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [frv/] [interrupts/] [badalign.cgs] - Blame information for rev 856