Re: NEWS5000 doesn't boot

[Jeff Smith <jeffs%geocast.com@localhost>]

Jeff Smith wrote:
> Can you try this Wayne?

Here is the patch I had in mind.

jeffs

*** locore_mips3.S      2000/07/25 18:06:49     1.43
--- locore_mips3.S      2000/07/27 23:06:36
***************
*** 1564,1570 ****
   *            vaddr_t addr; vsize_t len;
   *
   *    Flush instruction cache for range of addr to addr + len - 1.
!  *    The address can be any valid address so long as no TLB misses
occur.
   *    Assumes a cache line size of 16 bytes for speed.
   *
   * Results:
--- 1564,1570 ----
   *            vaddr_t addr; vsize_t len;
   *
   *    Flush instruction cache for range of addr to addr + len - 1.
!  *    The address is reduced to a kseg0 index.
   *    Assumes a cache line size of 16 bytes for speed.
   *
   * Results:
***************
*** 1577,1583 ****
--- 1577,1588 ----
  
*----------------------------------------------------------------------------  
*/
  LEAF(mips3_FlushICache)
+       lw      a2, mips_L1ICacheSize
+       addu    a2, -1
+       and     a0, a0, a2      # get index into primary cache
        addu    a1, 127         # Align
+       li      a2, MIPS_KSEG0_START
+       addu    a0, a0, a2
        srl     a1, a1, 7       # Number of unrolled loops
  1:
        cache   C_IINV_I, 0(a0)