Remove unnecessary trailing newlines

[qemu] / cpu-all.h

diff --git a/cpu-all.h b/cpu-all.h
index bd65061..648264c 100644 (file)
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -234,7 +234,7 @@ static inline int lduw_le_p(const void *ptr)
     __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
     return val;
 #else
-    uint8_t *p = ptr;
+    const uint8_t *p = ptr;
     return p[0] | (p[1] << 8);
 #endif
 }
@@ -246,7 +246,7 @@ static inline int ldsw_le_p(const void *ptr)
     __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (ptr));
     return (int16_t)val;
 #else
-    uint8_t *p = ptr;
+    const uint8_t *p = ptr;
     return (int16_t)(p[0] | (p[1] << 8));
 #endif
 }
@@ -258,14 +258,14 @@ static inline int ldl_le_p(const void *ptr)
     __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (ptr));
     return val;
 #else
-    uint8_t *p = ptr;
+    const uint8_t *p = ptr;
     return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
 #endif
 }
 
 static inline uint64_t ldq_le_p(const void *ptr)
 {
-    uint8_t *p = ptr;
+    const uint8_t *p = ptr;
     uint32_t v1, v2;
     v1 = ldl_le_p(p);
     v2 = ldl_le_p(p + 4);
@@ -413,7 +413,7 @@ static inline int lduw_be_p(const void *ptr)
                   : "m" (*(uint16_t *)ptr));
     return val;
 #else
-    uint8_t *b = (uint8_t *) ptr;
+    const uint8_t *b = ptr;
     return ((b[0] << 8) | b[1]);
 #endif
 }
@@ -428,7 +428,7 @@ static inline int ldsw_be_p(const void *ptr)
                   : "m" (*(uint16_t *)ptr));
     return (int16_t)val;
 #else
-    uint8_t *b = (uint8_t *) ptr;
+    const uint8_t *b = ptr;
     return (int16_t)((b[0] << 8) | b[1]);
 #endif
 }
@@ -443,7 +443,7 @@ static inline int ldl_be_p(const void *ptr)
                   : "m" (*(uint32_t *)ptr));
     return val;
 #else
-    uint8_t *b = (uint8_t *) ptr;
+    const uint8_t *b = ptr;
     return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];
 #endif
 }
@@ -621,6 +621,9 @@ static inline void stfq_be_p(void *ptr, float64 v)
 /* MMU memory access macros */
 
 #if defined(CONFIG_USER_ONLY)
+#include <assert.h>
+#include "qemu-types.h"
+
 /* On some host systems the guest address space is reserved on the host.
  * This allows the guest address space to be offset to a convenient location.
  */
@@ -629,7 +632,16 @@ static inline void stfq_be_p(void *ptr, float64 v)
 
 /* All direct uses of g2h and h2g need to go away for usermode softmmu.  */
 #define g2h(x) ((void *)((unsigned long)(x) + GUEST_BASE))
-#define h2g(x) ((target_ulong)((unsigned long)(x) - GUEST_BASE))
+#define h2g(x) ({ \
+    unsigned long __ret = (unsigned long)(x) - GUEST_BASE; \
+    /* Check if given address fits target address space */ \
+    assert(__ret == (abi_ulong)__ret); \
+    (abi_ulong)__ret; \
+})
+#define h2g_valid(x) ({ \
+    unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \
+    (__guest == (abi_ulong)__guest); \
+})
 
 #define saddr(x) g2h(x)
 #define laddr(x) g2h(x)
@@ -961,6 +973,15 @@ void cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_a
 void dump_exec_info(FILE *f,
                     int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
 
+/* Coalesced MMIO regions are areas where write operations can be reordered.
+ * This usually implies that write operations are side-effect free.  This allows
+ * batching which can make a major impact on performance when using
+ * virtualization.
+ */
+void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
+
+void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size);
+
 /*******************************************/
 /* host CPU ticks (if available) */