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[/] [openrisc/] [trunk/] [or1ksim/] [testsuite/] [test-code-or1k/] [int-test/] [int-test.S] - Diff between revs 93 and 458

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Rev 93 Rev 458
Line 50... Line 50...
#include "spr-defs.h"
#include "spr-defs.h"
#include "board.h"
#include "board.h"
 
 
#define  RAM_START 0x00000000
#define  RAM_START 0x00000000
 
 
#define MC_CSR          (0x00)
 
#define MC_POC          (0x04)
 
#define MC_BA_MASK      (0x08)
 
#define MC_CSC(i)       (0x10 + (i) * 8)
 
#define MC_TMS(i)       (0x14 + (i) * 8)
 
 
 
.section  .reset, "ax"
.section  .except,"ax"
 
 
.org 0x100
.org 0x100
 
 
_reset_vector:
_reset_vector:
  l.addi  r2,r0,0x0
  l.addi  r2,r0,0x0
Line 92... Line 87...
  l.addi  r28,r0,0x0
  l.addi  r28,r0,0x0
  l.addi  r29,r0,0x0
  l.addi  r29,r0,0x0
  l.addi  r30,r0,0x0
  l.addi  r30,r0,0x0
  l.addi  r31,r0,0x0
  l.addi  r31,r0,0x0
 
 
  l.movhi r3,hi(start)
  l.movhi r3,hi(_start)
  l.ori   r3,r3,lo(start)
  l.ori   r3,r3,lo(_start)
  l.jr    r3
  l.jr    r3
  l.nop
  l.nop
start:
 
  l.jal   _init_mc
 
  l.nop
 
 
 
  /* Setup exception wrapper */
 
  l.movhi r3,hi(_src_beg)
 
  l.ori   r3,r3,lo(_src_beg)
 
  l.movhi r4,hi(_dst_beg)
 
  l.ori   r4,r4,lo(_dst_beg)
 
  l.movhi r5,hi(_dst_end)
 
  l.ori   r5,r5,lo(_dst_end)
 
  l.sub   r5,r5,r4
 
  l.sfeqi r5,0
 
  l.bf    2f
 
  l.nop
 
1:
 
  l.lwz   r6,0(r3)
 
  l.sw    0(r4),r6
 
  l.addi  r3,r3,4
 
  l.addi  r4,r4,4
 
  l.addi  r5,r5,-4
 
  l.sfgtsi r5,0
 
  l.bf          1b
 
  l.nop
 
2:
 
  l.movhi r2,hi(_main)
 
  l.ori   r2,r2,lo(_main)
 
  l.jr    r2
 
  l.nop
 
 
 
_init_mc:
 
 
 
  l.movhi r3,hi(MC_BASE_ADDR)
 
  l.ori   r3,r3,lo(MC_BASE_ADDR)
 
 
 
  l.addi  r4,r3,MC_CSC(0)
 
  l.movhi r5,hi(FLASH_BASE_ADDR)
 
  l.srai  r5,r5,6
 
  l.ori   r5,r5,0x0025
 
  l.sw    0(r4),r5
 
 
 
  l.addi  r4,r3,MC_TMS(0)
 
  l.movhi r5,hi(FLASH_TMS_VAL)
 
  l.ori   r5,r5,lo(FLASH_TMS_VAL)
 
  l.sw    0(r4),r5
 
 
 
  l.addi  r4,r3,MC_BA_MASK
 
  l.addi  r5,r0,MC_MASK_VAL
 
  l.sw    0(r4),r5
 
 
 
  l.addi  r4,r3,MC_CSR
 
  l.movhi r5,hi(MC_CSR_VAL)
 
  l.ori   r5,r5,lo(MC_CSR_VAL)
 
  l.sw    0(r4),r5
 
 
 
  l.addi  r4,r3,MC_TMS(1)
 
  l.movhi r5,hi(SDRAM_TMS_VAL)
 
  l.ori   r5,r5,lo(SDRAM_TMS_VAL)
 
  l.sw    0(r4),r5
 
 
 
  l.addi  r4,r3,MC_CSC(1)
 
  l.movhi r5,hi(SDRAM_BASE_ADDR)
 
  l.srai  r5,r5,6
 
  l.ori   r5,r5,0x0411
 
  l.sw    0(r4),r5
 
 
 
  l.jr    r9
 
  l.nop
 
 
 
.section .text
 
 
 
 
        .org 0x500
 
_tick_handler:
#
#
# Tick timer exception handler
# Tick timer exception handler
#
#
 
 
  l.addi  r31,r3,0
  l.addi  r31,r3,0
Line 230... Line 157...
1:
1:
  l.j     1b
  l.j     1b
  l.nop
  l.nop
 
 
 
 
 
.section .text
 
 
 
_start:
 
 
 
  l.movhi r3,hi(_main)
 
  l.ori   r3,r3,lo(_main)
 
  l.jr    r3
 
  l.nop
 
 
 
 
_main:
_main:
        l.nop
        l.nop
  l.addi  r3,r0,SPR_SR_SM
  l.addi  r3,r0,SPR_SR_SM
  l.mtspr r0,r3,SPR_SR
  l.mtspr r0,r3,SPR_SR
        l.nop
        l.nop

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