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Do not relocate the kernel to TT-Ram by default. Some TT's choke on this. You 

can now opt for relocation by either setting the RELOC_KERNEL config option
or patching 'reloc_kernel' to something other than zero.
This commit is contained in:
leo 1997-10-23 11:26:19 +00:00
parent 3aa9af7caf
commit e1adcbe609
1 changed files with 13 additions and 3 deletions
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16
sys/arch/atari/atari/atari_init.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: atari_init.c,v 1.33 1997/07/30 15:37:48 leo Exp $ */
/* $NetBSD: atari_init.c,v 1.34 1997/10/23 11:26:19 leo Exp $ */
/*
* Copyright (c) 1995 Leo Weppelman
@ -127,6 +127,15 @@ vm_offset_t page_zero;
u_long st_pool_size = ST_POOL_SIZE * NBPG; /* Patchable */
u_long st_pool_virt, st_pool_phys;
/*
* Are we relocating the kernel to TT-Ram if possible? It is faster, but
* it is also reported not to work on all TT's. So the default is NO.
*/
#ifndef RELOC_KERNEL
#define RELOC_KERNEL 0
#endif
int reloc_kernel = RELOC_KERNEL; /* Patchable */
/*
* this is the C-level entry function, it's called from locore.s.
* Preconditions:
@ -196,9 +205,10 @@ char *esym_addr; /* Address of kernel '_esym' symbol */
else end_loaded = (u_int)esym;
/*
* If we have enough fast-memory to put the kernel in, do it!
* If we have enough fast-memory to put the kernel in and the
* RELOC_KERNEL option is set, do it!
*/
if(ttphysize >= end_loaded)
if((reloc_kernel != 0) && (ttphysize >= end_loaded))
kbase = ttphystart;
else kbase = 0;