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-rw-r--r--src/arch/sparc/pagetable.hh12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/arch/sparc/pagetable.hh b/src/arch/sparc/pagetable.hh
index aba17e505..727727f95 100644
--- a/src/arch/sparc/pagetable.hh
+++ b/src/arch/sparc/pagetable.hh
@@ -230,14 +230,18 @@ struct TlbEntry
TlbEntry()
{}
- TlbEntry(Addr asn, Addr vaddr, Addr paddr)
+ TlbEntry(Addr asn, Addr vaddr, Addr paddr,
+ bool uncacheable, bool read_only)
{
uint64_t entry = 0;
- entry |= 1ULL << 1; // Writable
+ if (!read_only)
+ entry |= 1ULL << 1; // Writable
entry |= 0ULL << 2; // Available in nonpriveleged mode
entry |= 0ULL << 3; // No side effects
- entry |= 1ULL << 4; // Virtually cachable
- entry |= 1ULL << 5; // Physically cachable
+ if (!uncacheable) {
+ entry |= 1ULL << 4; // Virtually cachable
+ entry |= 1ULL << 5; // Physically cachable
+ }
entry |= 0ULL << 6; // Not locked
entry |= mbits(paddr, 39, 13); // Physical address
entry |= 0ULL << 48; // size = 8k