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-rw-r--r--include/exec/memory_ldst_cached.inc.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/include/exec/memory_ldst_cached.inc.h b/include/exec/memory_ldst_cached.inc.h
new file mode 100644
index 0000000000..fd4bbb40e7
--- /dev/null
+++ b/include/exec/memory_ldst_cached.inc.h
@@ -0,0 +1,108 @@
+/*
+ * Memory access templates for MemoryRegionCache
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define ADDRESS_SPACE_LD_CACHED(size) \
+ glue(glue(address_space_ld, size), glue(ENDIANNESS, _cached))
+#define ADDRESS_SPACE_LD_CACHED_SLOW(size) \
+ glue(glue(address_space_ld, size), glue(ENDIANNESS, _cached_slow))
+#define LD_P(size) \
+ glue(glue(ld, size), glue(ENDIANNESS, _p))
+
+static inline uint32_t ADDRESS_SPACE_LD_CACHED(l)(MemoryRegionCache *cache,
+ hwaddr addr, MemTxAttrs attrs, MemTxResult *result)
+{
+ assert(addr < cache->len && 4 <= cache->len - addr);
+ if (likely(cache->ptr)) {
+ return LD_P(l)(cache->ptr + addr);
+ } else {
+ return ADDRESS_SPACE_LD_CACHED_SLOW(l)(cache, addr, attrs, result);
+ }
+}
+
+static inline uint64_t ADDRESS_SPACE_LD_CACHED(q)(MemoryRegionCache *cache,
+ hwaddr addr, MemTxAttrs attrs, MemTxResult *result)
+{
+ assert(addr < cache->len && 8 <= cache->len - addr);
+ if (likely(cache->ptr)) {
+ return LD_P(q)(cache->ptr + addr);
+ } else {
+ return ADDRESS_SPACE_LD_CACHED_SLOW(q)(cache, addr, attrs, result);
+ }
+}
+
+static inline uint32_t ADDRESS_SPACE_LD_CACHED(uw)(MemoryRegionCache *cache,
+ hwaddr addr, MemTxAttrs attrs, MemTxResult *result)
+{
+ assert(addr < cache->len && 2 <= cache->len - addr);
+ if (likely(cache->ptr)) {
+ return LD_P(uw)(cache->ptr + addr);
+ } else {
+ return ADDRESS_SPACE_LD_CACHED_SLOW(uw)(cache, addr, attrs, result);
+ }
+}
+
+#undef ADDRESS_SPACE_LD_CACHED
+#undef ADDRESS_SPACE_LD_CACHED_SLOW
+#undef LD_P
+
+#define ADDRESS_SPACE_ST_CACHED(size) \
+ glue(glue(address_space_st, size), glue(ENDIANNESS, _cached))
+#define ADDRESS_SPACE_ST_CACHED_SLOW(size) \
+ glue(glue(address_space_st, size), glue(ENDIANNESS, _cached_slow))
+#define ST_P(size) \
+ glue(glue(st, size), glue(ENDIANNESS, _p))
+
+static inline void ADDRESS_SPACE_ST_CACHED(l)(MemoryRegionCache *cache,
+ hwaddr addr, uint32_t val, MemTxAttrs attrs, MemTxResult *result)
+{
+ assert(addr < cache->len && 4 <= cache->len - addr);
+ if (likely(cache->ptr)) {
+ ST_P(l)(cache->ptr + addr, val);
+ } else {
+ ADDRESS_SPACE_ST_CACHED_SLOW(l)(cache, addr, val, attrs, result);
+ }
+}
+
+static inline void ADDRESS_SPACE_ST_CACHED(w)(MemoryRegionCache *cache,
+ hwaddr addr, uint32_t val, MemTxAttrs attrs, MemTxResult *result)
+{
+ assert(addr < cache->len && 2 <= cache->len - addr);
+ if (likely(cache->ptr)) {
+ ST_P(w)(cache->ptr + addr, val);
+ } else {
+ ADDRESS_SPACE_ST_CACHED_SLOW(w)(cache, addr, val, attrs, result);
+ }
+}
+
+static inline void ADDRESS_SPACE_ST_CACHED(q)(MemoryRegionCache *cache,
+ hwaddr addr, uint64_t val, MemTxAttrs attrs, MemTxResult *result)
+{
+ assert(addr < cache->len && 8 <= cache->len - addr);
+ if (likely(cache->ptr)) {
+ ST_P(q)(cache->ptr + addr, val);
+ } else {
+ ADDRESS_SPACE_ST_CACHED_SLOW(q)(cache, addr, val, attrs, result);
+ }
+}
+
+#undef ADDRESS_SPACE_ST_CACHED
+#undef ADDRESS_SPACE_ST_CACHED_SLOW
+#undef ST_P
+
+#undef ENDIANNESS