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[/] [minsoc/] [trunk/] [sw/] [support/] [reset.S] - Blame information for rev 18

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Line No. Rev Author Line
1 2 rfajardo 
/* Support file for c based tests */
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#include "spr_defs.h"
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#include "board.h"
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#include "mc.h"
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        .section .stack
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        .space STACK_SIZE
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_stack:
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        .section .reset, "ax"
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        .org    0x100
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_reset_vector:
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        l.nop
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        l.nop
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        l.addi  r2,r0,0x0
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        l.addi  r3,r0,0x0
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        l.addi  r4,r0,0x0
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        l.addi  r5,r0,0x0
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        l.addi  r6,r0,0x0
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        l.addi  r7,r0,0x0
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        l.addi  r8,r0,0x0
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        l.addi  r9,r0,0x0
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        l.addi  r10,r0,0x0
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        l.addi  r11,r0,0x0
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        l.addi  r12,r0,0x0
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        l.addi  r13,r0,0x0
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        l.addi  r14,r0,0x0
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        l.addi  r15,r0,0x0
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        l.addi  r16,r0,0x0
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        l.addi  r17,r0,0x0
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        l.addi  r18,r0,0x0
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        l.addi  r19,r0,0x0
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        l.addi  r20,r0,0x0
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        l.addi  r21,r0,0x0
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        l.addi  r22,r0,0x0
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        l.addi  r23,r0,0x0
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        l.addi  r24,r0,0x0
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        l.addi  r25,r0,0x0
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        l.addi  r26,r0,0x0
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        l.addi  r27,r0,0x0
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        l.addi  r28,r0,0x0
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        l.addi  r29,r0,0x0
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        l.addi  r30,r0,0x0
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        l.addi  r31,r0,0x0
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/*
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        l.movhi r3,hi(MC_BASE_ADDR)
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        l.ori   r3,r3,MC_BA_MASK
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        l.addi  r5,r0,0x00
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        l.sw    0(r3),r5
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        */
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        l.movhi r3,hi(_start)
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        l.ori   r3,r3,lo(_start)
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        l.jr    r3
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        l.nop
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        .section .text
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_start:
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.if IC | DC
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        /* Flush IC and/or DC */
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        l.addi  r10,r0,0
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        l.addi  r11,r0,0
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        l.addi  r12,r0,0
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.if IC
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        l.addi  r11,r0,IC_SIZE
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.endif
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.if DC
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        l.addi  r12,r0,DC_SIZE
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.endif
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        l.sfleu r12,r11
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        l.bf    loop
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        l.nop
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        l.add   r11,r0,r12
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loop:
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.if IC
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        l.mtspr r0,r10,SPR_ICBIR
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.endif
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.if DC
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        l.mtspr r0,r10,SPR_DCBIR
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.endif
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        l.sfne  r10,r11
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        l.bf    loop
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        l.addi  r10,r10,16
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        /* Enable IC and/or DC */
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        l.addi  r10,r0,(SPR_SR_SM)
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.if IC
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        l.ori   r10,r10,(SPR_SR_ICE)
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.endif
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.if DC
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        l.ori   r10,r10,(SPR_SR_DCE)
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.endif
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        l.mtspr r0,r10,SPR_SR
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        l.nop
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        l.nop
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        l.nop
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        l.nop
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        l.nop
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.endif
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        /* Set stack pointer */
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        l.movhi r1,hi(_stack)
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        l.ori   r1,r1,lo(_stack)
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        /* Jump to main */
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        l.movhi r2,hi(_reset)
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        l.ori   r2,r2,lo(_reset)
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        l.jr    r2
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        l.nop
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