Commit e2c2b2d9 authored by oharboe's avatar oharboe
Browse files

Dick Hollenbeck <dick@softplc.com> convert macros to inline fn's.

git-svn-id: svn://svn.berlios.de/openocd/trunk@1259 b42882b7-edfa-0310-969c-e2dbd0fdcd60
parent 063f4c18
......@@ -45,37 +45,68 @@ typedef unsigned long long u64;
typedef struct jtag_tap_s jtag_tap_t;
/* DANGER!!!! here be dragons! Note that the pointer in
* memory might be unaligned. On some CPU's, i.e. ARM7,
* the 2 lsb are ignored for 32 bit access, on others
* it will cause an exception and on e.g. x86, it works
* the same as if aligned.
/* DANGER!!!! here be dragons!
*
* Leave these fn's as byte accesses because it is safe
* across architectures. Clever usage of 32 bit access
* will create problems on some hosts.
*
* Note that the pointer in memory might be unaligned.
*
* On some CPU's, i.e. ARM7, the 2 lsb are ignored for 32
* bit access, on others it will cause an exception and
* on e.g. x86, it works the same as if aligned.
*
*/
#define le_to_h_u32(x) ((u32)((x)[0] | (x)[1] << 8 | (x)[2] << 16 | (x)[3] << 24))
#define le_to_h_u16(x) ((u16)((x)[0] | (x)[1] << 8))
#define be_to_h_u32(x) ((u32)((x)[3] | (x)[2] << 8 | (x)[1] << 16 | (x)[0] << 24))
#define be_to_h_u16(x) ((u16)((x)[1] | (x)[0] << 8))
#define h_u32_to_le(buf, val) do {\
(buf)[3] = ((val) & 0xff000000) >> 24;\
(buf)[2] = ((val) & 0x00ff0000) >> 16;\
(buf)[1] = ((val) & 0x0000ff00) >> 8;\
(buf)[0] = ((val) & 0x000000ff);\
} while (0)
#define h_u32_to_be(buf, val) do {\
(buf)[0] = ((val) & 0xff000000) >> 24;\
(buf)[1] = ((val) & 0x00ff0000) >> 16;\
(buf)[2] = ((val) & 0x0000ff00) >> 8;\
(buf)[3] = ((val) & 0x000000ff);\
} while (0)
#define h_u16_to_le(buf, val) do {\
(buf)[1] = ((val) & 0xff00) >> 8;\
(buf)[0] = ((val) & 0x00ff) >> 0;\
} while (0)
#define h_u16_to_be(buf, val) do {\
(buf)[0] = ((val) & 0xff00) >> 8;\
(buf)[1] = ((val) & 0x00ff) >> 0;\
} while (0)
static inline u32 le_to_h_u32(const u8* buf)
{
return (u32)(buf[0] | buf[1] << 8 | buf[2] << 16 | buf[3] << 24);
}
static inline u16 le_to_h_u16(const u8* buf)
{
return (u16)(buf[0] | buf[1] << 8);
}
static inline u32 be_to_h_u32(const u8* buf)
{
return (u32)(buf[3] | buf[2] << 8 | buf[1] << 16 | buf[0] << 24);
}
static inline u16 be_to_h_u16(const u8* buf)
{
return (u16)(buf[1] | buf[0] << 8);
}
static inline void h_u32_to_le(u8* buf, int val)
{
buf[3] = (u8) (val >> 24);
buf[2] = (u8) (val >> 16);
buf[1] = (u8) (val >> 8);
buf[0] = (u8) (val >> 0);
}
static inline void h_u32_to_be(u8* buf, int val)
{
buf[0] = (u8) (val >> 24);
buf[1] = (u8) (val >> 16);
buf[2] = (u8) (val >> 8);
buf[3] = (u8) (val >> 0);
}
static inline void h_u16_to_le(u8* buf, int val)
{
buf[1] = (u8) (val >> 8);
buf[0] = (u8) (val >> 0);
}
static inline void h_u16_to_be(u8* buf, int val)
{
buf[0] = (u8) (val >> 8);
buf[1] = (u8) (val >> 0);
}
#endif /* TYPES_H */
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