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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [machine/] [or32/] [setjmp.S] - Blame information for rev 1765

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1 53 lampret 
/* Simple setjmp/longjmp for the OpenRISC 1000 (OR32 ISA).
2 
   Damjan Lampret, OpenCores.org, Aug 15 2000.  */
3 
 
4 70 lampret 
/* Until OR1K Arch is fixed, we just save entire register file. Should be fixed eventually. */
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6 53 lampret 
        .align  4
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        .proc   setjmp
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        .global setjmp
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        .extern setjmp
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setjmp:
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        l.sw    0(r3),r1
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        l.sw    4(r3),r2
13 70 lampret 
        l.sw    8(r3),r3
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        l.sw    12(r3),r4
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        l.sw    16(r3),r5
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        l.sw    20(r3),r6
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        l.sw    24(r3),r7
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        l.sw    28(r3),r8
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        l.sw    32(r3),r9
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        l.sw    36(r3),r10
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        l.sw    40(r3),r11
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        l.sw    44(r3),r12
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        l.sw    48(r3),r13
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        l.sw    52(r3),r14
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        l.sw    56(r3),r15
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        l.sw    60(r3),r16
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        l.sw    64(r3),r17
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        l.sw    68(r3),r18
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        l.sw    72(r3),r19
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        l.sw    76(r3),r20
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        l.sw    80(r3),r21
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        l.sw    84(r3),r22
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        l.sw    88(r3),r23
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        l.sw    92(r3),r24
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        l.sw    96(r3),r25
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        l.sw    100(r3),r26
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        l.sw    104(r3),r27
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        l.sw    108(r3),r28
39 71 lampret 
        l.sw    112(r3),r29
40 70 lampret 
        l.sw    116(r3),r30
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        l.sw    120(r3),r31
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/*
43 71 lampret 
        l.addi  r4,r0,SPR_SR
44 70 lampret 
        l.mfsr  r4,r4
45 71 lampret 
        l.sw    124(r3),r4
46 70 lampret 
*/
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        l.jr    r11
48 53 lampret 
        l.addi  r3,r0,0
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.endproc setjmp
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        .align  4
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        .proc   longjmp
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        .global longjmp
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longjmp:
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        l.lw    r1,0(r3)
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        l.lw    r2,4(r3)
57 70 lampret 
        l.lw    r5,16(r3)
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        l.lw    r6,20(r3)
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        l.lw    r7,24(r3)
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        l.lw    r8,28(r3)
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        l.lw    r9,32(r3)
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        l.lw    r10,36(r3)
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        l.lw    r11,40(r3)
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        l.lw    r12,44(r3)
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        l.lw    r13,48(r3)
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        l.lw    r14,52(r3)
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        l.lw    r15,56(r3)
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        l.lw    r16,60(r3)
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        l.lw    r17,64(r3)
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        l.lw    r18,68(r3)
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        l.lw    r19,72(r3)
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        l.lw    r20,76(r3)
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        l.lw    r21,80(r3)
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        l.lw    r22,84(r3)
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        l.lw    r23,88(r3)
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        l.lw    r24,92(r3)
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        l.lw    r25,96(r3)
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        l.lw    r26,100(r3)
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        l.lw    r27,104(r3)
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        l.lw    r28,108(r3)
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        l.lw    r29,112(r3)
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        l.lw    r30,116(r3)
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        l.lw    r31,120(r3)
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/*
85 71 lampret 
        l.lw    r5,124(r3)
86 70 lampret 
        l.addi  r3,r0,SPR_ESR_BASE
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        l.mtsr  r3,r5
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*/
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        l.lw    r5,16(r3)
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        l.sfne  r4,r0
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        l.bf    1f
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        l.nop
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        l.addi  r3,r0,1
95 53 lampret 
 
96 70 lampret 
1:      l.addi  r3,r4,0
97 53 lampret 
        l.jr    r11
98 70 lampret 
        l.nop
99 53 lampret 
.endproc longjmp

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