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Use the new information about per-cpu mappings. Gdb now can examine 

the interrupt stack.
This commit is contained in:
martin 2008-01-18 16:26:09 +00:00
parent 633ac5fa86
commit 3049bc6660
1 changed files with 16 additions and 3 deletions
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19
lib/libkvm/kvm_sparc64.c
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@ -1,4 +1,4 @@
/* $NetBSD: kvm_sparc64.c,v 1.12 2008/01/15 13:57:42 ad Exp $ */
/* $NetBSD: kvm_sparc64.c,v 1.13 2008/01/18 16:26:09 martin Exp $ */
/*-
* Copyright (c) 1992, 1993
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)kvm_sparc.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: kvm_sparc64.c,v 1.12 2008/01/15 13:57:42 ad Exp $");
__RCSID("$NetBSD: kvm_sparc64.c,v 1.13 2008/01/18 16:26:09 martin Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@ -119,7 +119,7 @@ _kvm_kvatop(kd, va, pa)
if (va < kernbase)
goto lose;
/* Handle the wired 4MB TTEs */
/* Handle the wired 4MB TTEs and per-CPU mappings */
if (cpup->memsegoffset > sizeof(cpu_kcore_hdr_t) &&
cpup->newmagic == SPARC64_KCORE_NEWMAGIC) {
/*
@ -135,6 +135,19 @@ _kvm_kvatop(kd, va, pa)
return (int)(start+PAGE_SIZE_4M - va);
}
if (cpup->numcpuinfos > 0) {
/* we have per-CPU mapping info */
uint64_t start, base;
base = cpup->cpubase - 32*1024;
if (va >= base && va < (base + cpup->percpusz)) {
start = va - base;
*pa = cpup->cpusp
+ cpup->thiscpu*cpup->percpusz
+ start;
return cpup->percpusz - start;
}
}
} else {
/*
* old format: just a textbase/size and database/size