unify len and addr type for memory/address APIs

[qemu.git] / include / exec / cpu-all.h

diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 7fa726b8e36c6c9ed440a3b99fb3e60df0cdfd6b..b16c9ec513fd5787c94a7b732e121c741c218e05 100644 (file)
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -330,18 +330,44 @@ CPUArchState *cpu_copy(CPUArchState *env);
 #define TLB_NOTDIRTY        (1 << (TARGET_PAGE_BITS - 2))
 /* Set if TLB entry is an IO callback.  */
 #define TLB_MMIO            (1 << (TARGET_PAGE_BITS - 3))
+/* Set if TLB entry must have MMU lookup repeated for every access */
+#define TLB_RECHECK         (1 << (TARGET_PAGE_BITS - 4))
 
 /* Use this mask to check interception with an alignment mask
  * in a TCG backend.
  */
-#define TLB_FLAGS_MASK  (TLB_INVALID_MASK | TLB_NOTDIRTY | TLB_MMIO)
+#define TLB_FLAGS_MASK  (TLB_INVALID_MASK | TLB_NOTDIRTY | TLB_MMIO \
+                         | TLB_RECHECK)
+
+/**
+ * tlb_hit_page: return true if page aligned @addr is a hit against the
+ * TLB entry @tlb_addr
+ *
+ * @addr: virtual address to test (must be page aligned)
+ * @tlb_addr: TLB entry address (a CPUTLBEntry addr_read/write/code value)
+ */
+static inline bool tlb_hit_page(target_ulong tlb_addr, target_ulong addr)
+{
+    return addr == (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK));
+}
+
+/**
+ * tlb_hit: return true if @addr is a hit against the TLB entry @tlb_addr
+ *
+ * @addr: virtual address to test (need not be page aligned)
+ * @tlb_addr: TLB entry address (a CPUTLBEntry addr_read/write/code value)
+ */
+static inline bool tlb_hit(target_ulong tlb_addr, target_ulong addr)
+{
+    return tlb_hit_page(tlb_addr, addr & TARGET_PAGE_MASK);
+}
 
 void dump_exec_info(FILE *f, fprintf_function cpu_fprintf);
 void dump_opcount_info(FILE *f, fprintf_function cpu_fprintf);
 #endif /* !CONFIG_USER_ONLY */
 
 int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
-                        uint8_t *buf, int len, int is_write);
+                        uint8_t *buf, target_ulong len, int is_write);
 
 int cpu_exec(CPUState *cpu);