aboutsummaryrefslogtreecommitdiff
path: root/cpu-defs.h
diff options
context:
space:
mode:
Diffstat (limited to 'cpu-defs.h')
-rw-r--r--cpu-defs.h26
1 files changed, 17 insertions, 9 deletions
diff --git a/cpu-defs.h b/cpu-defs.h
index 2e643e6e2a..388d4abdbb 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -29,8 +29,18 @@
#error TARGET_LONG_BITS must be defined before including this header
#endif
+#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
+#define HOST_LONG_BITS 64
+#else
+#define HOST_LONG_BITS 32
+#endif
+
#ifndef TARGET_PHYS_ADDR_BITS
+#if TARGET_LONG_BITS >= HOST_LONG_BITS
#define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS
+#else
+#define TARGET_PHYS_ADDR_BITS HOST_LONG_BITS
+#endif
#endif
#define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8)
@@ -47,7 +57,11 @@ typedef uint64_t target_ulong;
#endif
/* target_phys_addr_t is the type of a physical address (its size can
- be different from 'target_ulong') */
+ be different from 'target_ulong'). We have sizeof(target_phys_addr)
+ = max(sizeof(unsigned long),
+ sizeof(size_of_target_physical_address)) because we must pass a
+ host pointer to memory operations in some cases */
+
#if TARGET_PHYS_ADDR_BITS == 32
typedef uint32_t target_phys_addr_t;
#elif TARGET_PHYS_ADDR_BITS == 64
@@ -56,12 +70,6 @@ typedef uint64_t target_phys_addr_t;
#error TARGET_PHYS_ADDR_BITS undefined
#endif
-#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
-#define HOST_LONG_BITS 64
-#else
-#define HOST_LONG_BITS 32
-#endif
-
#define HOST_LONG_SIZE (HOST_LONG_BITS / 8)
#define EXCP_INTERRUPT 256 /* async interruption */
@@ -79,9 +87,9 @@ typedef struct CPUTLBEntry {
bit 3 : indicates that the entry is invalid
bit 2..0 : zero
*/
- uint32_t address;
+ target_ulong address;
/* addend to virtual address to get physical address */
- uint32_t addend;
+ target_phys_addr_t addend;
} CPUTLBEntry;
#endif