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| author | grehan <grehan@FreeBSD.org> | 2004-07-27 03:46:34 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2004-07-27 03:46:34 +0000 |
| commit | a745685147cf8bdd139918b29529822fc40acdf6 (patch) | |
| tree | e1495e09e390d6e6770c55d22933fb675041276d | |
| parent | 1c3958ce8889b6f1132d0eb839e7597d051cba31 (diff) | |
| download | FreeBSD-src-a745685147cf8bdd139918b29529822fc40acdf6.zip FreeBSD-src-a745685147cf8bdd139918b29529822fc40acdf6.tar.gz | |
Save DAR/DSISR in DDB regsave area when stack overflow detected. It's
hard to work out where the problem was without these.
| -rw-r--r-- | sys/powerpc/aim/trap_subr.S | 4 | ||||
| -rw-r--r-- | sys/powerpc/powerpc/trap_subr.S | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/sys/powerpc/aim/trap_subr.S b/sys/powerpc/aim/trap_subr.S index 828192e..cc5cd8d 100644 --- a/sys/powerpc/aim/trap_subr.S +++ b/sys/powerpc/aim/trap_subr.S @@ -373,6 +373,10 @@ disitrap: /* Now convert this DSI into a DDB trap. */ GET_CPUINFO(%r1) + lwz %r30,(PC_TEMPSAVE+CPUSAVE_DAR)(%r1) /* get DAR */ + stw %r30,(PC_DBSAVE +CPUSAVE_DAR)(%r1) /* save DAR */ + lwz %r30,(PC_TEMPSAVE+CPUSAVE_DSISR)(%r1) /* get DSISR */ + lwz %r30,(PC_DBSAVE +CPUSAVE_DSISR)(%r1) /* save DSISR */ lwz %r30,(PC_DISISAVE+CPUSAVE_R28)(%r1) /* get r28 */ stw %r30,(PC_DBSAVE +CPUSAVE_R28)(%r1) /* save r28 */ lwz %r31,(PC_DISISAVE+CPUSAVE_R29)(%r1) /* get r29 */ diff --git a/sys/powerpc/powerpc/trap_subr.S b/sys/powerpc/powerpc/trap_subr.S index 828192e..cc5cd8d 100644 --- a/sys/powerpc/powerpc/trap_subr.S +++ b/sys/powerpc/powerpc/trap_subr.S @@ -373,6 +373,10 @@ disitrap: /* Now convert this DSI into a DDB trap. */ GET_CPUINFO(%r1) + lwz %r30,(PC_TEMPSAVE+CPUSAVE_DAR)(%r1) /* get DAR */ + stw %r30,(PC_DBSAVE +CPUSAVE_DAR)(%r1) /* save DAR */ + lwz %r30,(PC_TEMPSAVE+CPUSAVE_DSISR)(%r1) /* get DSISR */ + lwz %r30,(PC_DBSAVE +CPUSAVE_DSISR)(%r1) /* save DSISR */ lwz %r30,(PC_DISISAVE+CPUSAVE_R28)(%r1) /* get r28 */ stw %r30,(PC_DBSAVE +CPUSAVE_R28)(%r1) /* save r28 */ lwz %r31,(PC_DISISAVE+CPUSAVE_R29)(%r1) /* get r29 */ |
