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authorGabe Black <gblack@eecs.umich.edu>2012-01-29 02:04:34 -0800
committerGabe Black <gblack@eecs.umich.edu>2012-01-29 02:04:34 -0800
commitdc0e629ea1f074691d307cde3ab7dd51a5e2102f (patch)
tree9ce01152dc0c5231748a2da03199096a87ec34f5 /src/arch/alpha/remote_gdb.cc
parent22a076a6d5b949db5595bbca530fe7db927f6367 (diff)
downloadgem5-dc0e629ea1f074691d307cde3ab7dd51a5e2102f.tar.xz
Implement Ali's review feedback.
Try to decrease indentation, and remove some redundant FullSystem checks.
Diffstat (limited to 'src/arch/alpha/remote_gdb.cc')
-rw-r--r--src/arch/alpha/remote_gdb.cc77
1 files changed, 38 insertions, 39 deletions
diff --git a/src/arch/alpha/remote_gdb.cc b/src/arch/alpha/remote_gdb.cc
index aaf9ecb3c..aa120686c 100644
--- a/src/arch/alpha/remote_gdb.cc
+++ b/src/arch/alpha/remote_gdb.cc
@@ -156,51 +156,50 @@ RemoteGDB::RemoteGDB(System *_system, ThreadContext *tc)
bool
RemoteGDB::acc(Addr va, size_t len)
{
- if (FullSystem) {
- Addr last_va;
-
- va = TruncPage(va);
- last_va = RoundPage(va + len);
-
- do {
- if (IsK0Seg(va)) {
- if (va < (K0SegBase + pmem->size())) {
- DPRINTF(GDBAcc, "acc: Mapping is valid K0SEG <= "
- "%#x < K0SEG + size\n", va);
- return true;
- } else {
- DPRINTF(GDBAcc, "acc: Mapping invalid %#x "
- "> K0SEG + size\n", va);
- return false;
- }
- }
+ if (!FullSystem)
+ panic("acc function needs to be rewritten for SE mode\n");
- /**
- * This code says that all accesses to palcode (instruction
- * and data) are valid since there isn't a va->pa mapping
- * because palcode is accessed physically. At some point this
- * should probably be cleaned up but there is no easy way to
- * do it.
- */
+ Addr last_va;
- if (PcPAL(va) || va < 0x10000)
- return true;
+ va = TruncPage(va);
+ last_va = RoundPage(va + len);
- Addr ptbr = context->readMiscRegNoEffect(IPR_PALtemp20);
- PageTableEntry pte =
- kernel_pte_lookup(context->getPhysProxy(), ptbr, va);
- if (!pte.valid()) {
- DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va);
+ do {
+ if (IsK0Seg(va)) {
+ if (va < (K0SegBase + pmem->size())) {
+ DPRINTF(GDBAcc, "acc: Mapping is valid K0SEG <= "
+ "%#x < K0SEG + size\n", va);
+ return true;
+ } else {
+ DPRINTF(GDBAcc, "acc: Mapping invalid %#x "
+ "> K0SEG + size\n", va);
return false;
}
- va += PageBytes;
- } while (va < last_va);
+ }
- DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va);
- return true;
- } else {
- panic("acc function needs to be rewritten for SE mode\n");
- }
+ /**
+ * This code says that all accesses to palcode (instruction
+ * and data) are valid since there isn't a va->pa mapping
+ * because palcode is accessed physically. At some point this
+ * should probably be cleaned up but there is no easy way to
+ * do it.
+ */
+
+ if (PcPAL(va) || va < 0x10000)
+ return true;
+
+ Addr ptbr = context->readMiscRegNoEffect(IPR_PALtemp20);
+ PageTableEntry pte =
+ kernel_pte_lookup(context->getPhysProxy(), ptbr, va);
+ if (!pte.valid()) {
+ DPRINTF(GDBAcc, "acc: %#x pte is invalid\n", va);
+ return false;
+ }
+ va += PageBytes;
+ } while (va < last_va);
+
+ DPRINTF(GDBAcc, "acc: %#x mapping is valid\n", va);
+ return true;
}
/*