Subversion Repositories openrisc_2011-10-31

/* Simple setjmp/longjmp for the OpenRISC 1000 (OR32 ISA).
   Damjan Lampret, OpenCores.org, Aug 15 2000.  */

/* Until OR1K Arch is fixed, we just save entire register file. Should be fixed eventually. */

        .align  4
        .proc   setjmp
        .global setjmp
        .extern setjmp
setjmp:
        l.sw    0(r3),r1
        l.sw    4(r3),r2
        l.sw    8(r3),r3
        l.sw    12(r3),r4
        l.sw    16(r3),r5
        l.sw    20(r3),r6
        l.sw    24(r3),r7
        l.sw    28(r3),r8
        l.sw    32(r3),r9
        l.sw    36(r3),r10
        l.sw    40(r3),r11
        l.sw    44(r3),r12
        l.sw    48(r3),r13
        l.sw    52(r3),r14
        l.sw    56(r3),r15
        l.sw    60(r3),r16
        l.sw    64(r3),r17
        l.sw    68(r3),r18
        l.sw    72(r3),r19
        l.sw    76(r3),r20
        l.sw    80(r3),r21
        l.sw    84(r3),r22
        l.sw    88(r3),r23
        l.sw    92(r3),r24
        l.sw    96(r3),r25
        l.sw    100(r3),r26
        l.sw    104(r3),r27
        l.sw    108(r3),r28
        l.sw    112(r3),r29
        l.sw    116(r3),r30
        l.sw    120(r3),r31
/*
        l.addi  r4,r0,SPR_SR
        l.mfsr  r4,r4
        l.sw    124(r3),r4
*/      
        l.jr    r11
        l.addi  r3,r0,0
.endproc setjmp

        .align  4
        .proc   longjmp
        .global longjmp
longjmp:
        l.lwz   r1,0(r3)
        l.lwz   r2,4(r3)
        l.lwz   r5,16(r3)
        l.lwz   r6,20(r3)
        l.lwz   r7,24(r3)
        l.lwz   r8,28(r3)
        l.lwz   r9,32(r3)
        l.lwz   r10,36(r3)
        l.lwz   r11,40(r3)
        l.lwz   r12,44(r3)
        l.lwz   r13,48(r3)
        l.lwz   r14,52(r3)
        l.lwz   r15,56(r3)
        l.lwz   r16,60(r3)
        l.lwz   r17,64(r3)
        l.lwz   r18,68(r3)
        l.lwz   r19,72(r3)
        l.lwz   r20,76(r3)
        l.lwz   r21,80(r3)
        l.lwz   r22,84(r3)
        l.lwz   r23,88(r3)
        l.lwz   r24,92(r3)
        l.lwz   r25,96(r3)
        l.lwz   r26,100(r3)
        l.lwz   r27,104(r3)
        l.lwz   r28,108(r3)
        l.lwz   r29,112(r3)
        l.lwz   r30,116(r3)
        l.lwz   r31,120(r3)
/*
        l.lwz    r5,124(r3)
        l.addi  r3,r0,SPR_ESR_BASE
        l.mtsr  r3,r5
*/      
        l.lwz   r5,16(r3)
        l.sfne  r4,r0
        l.bf    1f
        l.nop

        l.addi  r3,r0,1
        
1:      l.addi  r3,r4,0
        l.jr    r11
        l.nop
.endproc longjmp