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Move the start of the user stack down a little to account for the

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virtual address checking done by the R8000 and some QED CPUs.

From Jeff Smith.
This commit is contained in:
soren 2000-04-07 21:50:08 +00:00
parent 8e8e291c78
commit aa4c70110e
1 changed files with 7 additions and 3 deletions
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10
sys/arch/mips/include/vmparam.h
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@ -1,4 +1,4 @@
/* $NetBSD: vmparam.h,v 1.20 2000/02/11 19:25:16 thorpej Exp $ */
/* $NetBSD: vmparam.h,v 1.21 2000/04/07 21:50:08 soren Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -52,9 +52,13 @@
/*
* USRTEXT is the start of the user text/data space, while USRSTACK
* is the top (end) of the user stack.
*
* USRSTACK needs to start a little below 0x8000000 because the R8000
* and some QED CPUs perform some virtual address checks before the
* offset is calculated.
*/
#define USRTEXT 0x00001000 /* Start of user text */
#define USRSTACK 0x80000000 /* Start of user stack */
#define USRTEXT 0x00001000 /* Start of user text */
#define USRSTACK 0x7fff0000 /* Start of user stack */
/*
* Virtual memory related constants, all in bytes