#define __SIM_BYTE_SWAP_HH__
#include "base/bigint.hh"
-#include "base/misc.hh"
-#include "sim/host.hh"
+#include "base/types.hh"
// This lets us figure out what the byte order of the host system is
-#if defined(linux)
+#if defined(__linux__)
#include <endian.h>
// If this is a linux system, lets used the optimized definitions if they exist.
// If one doesn't exist, we pretty much get what is listed below, so it all
#include <libkern/OSByteOrder.h>
#endif
-enum ByteOrder {BigEndianByteOrder, LittleEndianByteOrder};
-
//These functions actually perform the swapping for parameters
//of various bit lengths
-static inline uint64_t
+inline uint64_t
swap_byte64(uint64_t x)
{
-#if defined(linux)
+#if defined(__linux__)
return bswap_64(x);
#elif defined(__APPLE__)
return OSSwapInt64(x);
#endif
}
-static inline uint32_t
+inline uint32_t
swap_byte32(uint32_t x)
{
-#if defined(linux)
+#if defined(__linux__)
return bswap_32(x);
#elif defined(__APPLE__)
return OSSwapInt32(x);
#endif
}
-static inline uint16_t
+inline uint16_t
swap_byte16(uint16_t x)
{
-#if defined(linux)
+#if defined(__linux__)
return bswap_16(x);
#elif defined(__APPLE__)
return OSSwapInt16(x);
// sizeof() values are known at compile time, it should inline to a
// direct call to the right swap_byteNN() function.
template <typename T>
-static inline T swap_byte(T x) {
+inline T swap_byte(T x) {
if (sizeof(T) == 8)
return swap_byte64((uint64_t)x);
else if (sizeof(T) == 4)
}
template<>
-static inline Twin64_t swap_byte<Twin64_t>(Twin64_t x)
+inline Twin64_t swap_byte<Twin64_t>(Twin64_t x)
{
x.a = swap_byte(x.a);
x.b = swap_byte(x.b);
}
template<>
-static inline Twin32_t swap_byte<Twin32_t>(Twin32_t x)
+inline Twin32_t swap_byte<Twin32_t>(Twin32_t x)
{
x.a = swap_byte(x.a);
x.b = swap_byte(x.b);
return x;
}
+template <typename T, size_t N>
+inline std::array<T, N>
+swap_byte(std::array<T, N> a)
+{
+ for (T &v: a)
+ v = swap_byte(v);
+ return a;
+}
+
//The conversion functions with fixed endianness on both ends don't need to
//be in a namespace
-template <typename T> static inline T betole(T value) {return swap_byte(value);}
-template <typename T> static inline T letobe(T value) {return swap_byte(value);}
+template <typename T> inline T betole(T value) {return swap_byte(value);}
+template <typename T> inline T letobe(T value) {return swap_byte(value);}
//For conversions not involving the guest system, we can define the functions
//conditionally based on the BYTE_ORDER macro and outside of the namespaces
-#if defined(_BIG_ENDIAN) || !defined(_LITTLE_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
+#if (defined(_BIG_ENDIAN) || !defined(_LITTLE_ENDIAN)) && BYTE_ORDER == BIG_ENDIAN
const ByteOrder HostByteOrder = BigEndianByteOrder;
-template <typename T> static inline T htole(T value) {return swap_byte(value);}
-template <typename T> static inline T letoh(T value) {return swap_byte(value);}
-template <typename T> static inline T htobe(T value) {return value;}
-template <typename T> static inline T betoh(T value) {return value;}
+template <typename T> inline T htole(T value) {return swap_byte(value);}
+template <typename T> inline T letoh(T value) {return swap_byte(value);}
+template <typename T> inline T htobe(T value) {return value;}
+template <typename T> inline T betoh(T value) {return value;}
#elif defined(_LITTLE_ENDIAN) || BYTE_ORDER == LITTLE_ENDIAN
const ByteOrder HostByteOrder = LittleEndianByteOrder;
-template <typename T> static inline T htole(T value) {return value;}
-template <typename T> static inline T letoh(T value) {return value;}
-template <typename T> static inline T htobe(T value) {return swap_byte(value);}
-template <typename T> static inline T betoh(T value) {return swap_byte(value);}
+template <typename T> inline T htole(T value) {return value;}
+template <typename T> inline T letoh(T value) {return value;}
+template <typename T> inline T htobe(T value) {return swap_byte(value);}
+template <typename T> inline T betoh(T value) {return swap_byte(value);}
#else
#error Invalid Endianess
#endif
namespace BigEndianGuest
{
- const bool ByteOrderDiffers = (HostByteOrder != BigEndianByteOrder);
+ const ByteOrder GuestByteOrder = BigEndianByteOrder;
template <typename T>
- static inline T gtole(T value) {return betole(value);}
+ inline T gtole(T value) {return betole(value);}
template <typename T>
- static inline T letog(T value) {return letobe(value);}
+ inline T letog(T value) {return letobe(value);}
template <typename T>
- static inline T gtobe(T value) {return value;}
+ inline T gtobe(T value) {return value;}
template <typename T>
- static inline T betog(T value) {return value;}
+ inline T betog(T value) {return value;}
template <typename T>
- static inline T htog(T value) {return htobe(value);}
+ inline T htog(T value) {return htobe(value);}
template <typename T>
- static inline T gtoh(T value) {return betoh(value);}
+ inline T gtoh(T value) {return betoh(value);}
}
namespace LittleEndianGuest
{
- const bool ByteOrderDiffers = (HostByteOrder != LittleEndianByteOrder);
+ const ByteOrder GuestByteOrder = LittleEndianByteOrder;
template <typename T>
- static inline T gtole(T value) {return value;}
+ inline T gtole(T value) {return value;}
template <typename T>
- static inline T letog(T value) {return value;}
+ inline T letog(T value) {return value;}
template <typename T>
- static inline T gtobe(T value) {return letobe(value);}
+ inline T gtobe(T value) {return letobe(value);}
template <typename T>
- static inline T betog(T value) {return betole(value);}
+ inline T betog(T value) {return betole(value);}
template <typename T>
- static inline T htog(T value) {return htole(value);}
+ inline T htog(T value) {return htole(value);}
template <typename T>
- static inline T gtoh(T value) {return letoh(value);}
+ inline T gtoh(T value) {return letoh(value);}
}
#endif // __SIM_BYTE_SWAP_HH__
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