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Disable use of BTLB mappings as BTLB handling is broken.

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This commit is contained in:
jkunz 2005-01-31 18:22:24 +00:00
parent e4bed1ee79
commit 5d47a0a676
1 changed files with 11 additions and 5 deletions
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16
sys/arch/hp700/hp700/mainbus.c
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@ -1,4 +1,4 @@
/* $NetBSD: mainbus.c,v 1.23 2005/01/28 17:38:51 jkunz Exp $ */
/* $NetBSD: mainbus.c,v 1.24 2005/01/31 18:22:24 jkunz Exp $ */
/*-
* Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.23 2005/01/28 17:38:51 jkunz Exp $");
__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.24 2005/01/31 18:22:24 jkunz Exp $");
#include "locators.h"
#include "opt_power_switch.h"
@ -186,10 +186,10 @@ mbus_add_mapping(bus_addr_t bpa, bus_size_t size, int flags,
bus_space_handle_t *bshp)
{
u_int frames;
/*
#ifdef USE_BTLB
vsize_t btlb_size;
int error;
*/
#endif /* USE_BTLB */
/*
* We must be called with a page-aligned address in
@ -213,6 +213,8 @@ mbus_add_mapping(bus_addr_t bpa, bus_size_t size, int flags,
/*
* If this mapping is more than eight pages long,
* try to add a BTLB entry.
*/
#ifdef USE_BTLB
if (frames > 8 &&
frames >= hppa_btlb_size_min) {
btlb_size = frames;
@ -233,7 +235,7 @@ mbus_add_mapping(bus_addr_t bpa, bus_size_t size, int flags,
else if (error != ENOMEM)
return error;
}
*/
#endif /* USE_BTLB */
/*
* Enter another single-page mapping.
@ -255,8 +257,10 @@ mbus_remove_mapping(bus_space_handle_t bsh, bus_size_t size, bus_addr_t *bpap)
{
bus_addr_t bpa;
u_int frames;
#ifdef USE_BTLB
vsize_t btlb_size;
int error;
#endif /* USE_BTLB */
/*
* We must be called with a page-aligned address in
@ -277,6 +281,7 @@ mbus_remove_mapping(bus_space_handle_t bsh, bus_size_t size, bus_addr_t *bpap)
* If this mapping is more than eight pages long,
* try to remove a BTLB entry.
*/
#ifdef USE_BTLB
if (frames > 8 &&
frames >= hppa_btlb_size_min) {
btlb_size = frames;
@ -293,6 +298,7 @@ mbus_remove_mapping(bus_space_handle_t bsh, bus_size_t size, bus_addr_t *bpap)
else if (error != ENOENT)
return error;
}
#endif /* USE_BTLB */
/*
* Remove another single-page mapping.