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[/] [or1k/] [trunk/] [mp3/] [sw/] [support/] [reset-dc.S] - Rev 1774

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#include "spr_defs.h"
 
        .extern _main
        .global _reset_except

_reset_except:
        l.movhi r0, 0x0
        l.slli  r0,r0,16
        l.addi  r1,r0,0x0
        l.addi  r2,r0,0x0
        l.addi  r3,r0,0x0
        l.addi  r4,r0,0x0
        l.addi  r5,r0,0x0
        l.addi  r6,r0,0x0
        l.addi  r7,r0,0x0
        l.addi  r8,r0,0x0
        l.addi  r9,r0,0x1234
        l.addi  r10,r0,0x0
        l.addi  r11,r0,0x0
        l.addi  r12,r0,0x0
        l.addi  r13,r0,0x0
        l.addi  r14,r0,0x0
        l.addi  r15,r0,0x0
        l.addi  r16,r0,0x0
        l.addi  r17,r0,0x0
        l.addi  r18,r0,0x0
        l.addi  r19,r0,0x0
        l.addi  r20,r0,0x0
        l.addi  r21,r0,0x0
        l.addi  r22,r0,0x0
        l.addi  r23,r0,0x0
        l.addi  r24,r0,0x0
        l.addi  r25,r0,0x0
        l.addi  r26,r0,0x0
        l.addi  r27,r0,0x0
        l.addi  r28,r0,0x0
        l.addi  r29,r0,0x0
        l.addi  r30,r0,0x0
        l.addi  r31,r0,0x0

        /* Flush DC */
        l.addi  r10,r0,0
        l.addi  r11,r0,8192
loop:
        l.mtspr r0,r10,SPR_DCBIR
        l.sfne  r10,r11
        l.bf    loop
        l.addi  r10,r10,16

        /* Enable DC */
        l.addi  r10,r0,(SPR_SR_DCE|SPR_SR_SUPV)
        l.mtspr r0,r10,SPR_SR
        l.nop
        l.nop
        l.nop
        l.nop
        l.nop

        /* Set stack pointer */
        l.movhi r1,hi(0x801fff00)
        l.addi  r1,r1,lo(0x801fff00)
        l.addi  r1,r1,-4

        /* Jump to main */
        l.movhi r2,hi(_main)
        l.ori   r2,r2,lo(_main)
        l.jr    r2
        l.addi  r2,r0,0

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