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authormalc <av1474@comtv.ru>2010-10-30 01:41:01 +0400
committermalc <av1474@comtv.ru>2010-10-30 01:41:01 +0400
commit338b922edd88440ef555f08d6924609915c6f00c (patch)
tree8775069b5c6f2ede5529e53b4ad1df76ff130ef4
parent174b2877b0f6a607f994f7a5b9b9a36caaff5d75 (diff)
Mov muldiv64 to qemu-common.h (Thus unbreaking gus)
Signed-off-by: malc <av1474@comtv.ru>
-rw-r--r--hw/omap_clk.c1
-rw-r--r--qemu-common.h24
-rw-r--r--qemu-timer.h24
3 files changed, 24 insertions, 25 deletions
diff --git a/hw/omap_clk.c b/hw/omap_clk.c
index 10c9c4308c..6bcabef8ac 100644
--- a/hw/omap_clk.c
+++ b/hw/omap_clk.c
@@ -20,7 +20,6 @@
*/
#include "hw.h"
#include "omap.h"
-#include "qemu-timer.h" /* for muldiv64() */
struct clk {
const char *name;
diff --git a/qemu-common.h b/qemu-common.h
index 2fbc27f9f0..d31f3661d2 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -309,6 +309,30 @@ static inline uint8_t from_bcd(uint8_t val)
return ((val >> 4) * 10) + (val & 0x0f);
}
+/* compute with 96 bit intermediate result: (a*b)/c */
+static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
+{
+ union {
+ uint64_t ll;
+ struct {
+#ifdef HOST_WORDS_BIGENDIAN
+ uint32_t high, low;
+#else
+ uint32_t low, high;
+#endif
+ } l;
+ } u, res;
+ uint64_t rl, rh;
+
+ u.ll = a;
+ rl = (uint64_t)u.l.low * (uint64_t)b;
+ rh = (uint64_t)u.l.high * (uint64_t)b;
+ rh += (rl >> 32);
+ res.l.high = rh / c;
+ res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
+ return res.ll;
+}
+
#include "module.h"
#endif
diff --git a/qemu-timer.h b/qemu-timer.h
index 299e387768..8cd8f8368a 100644
--- a/qemu-timer.h
+++ b/qemu-timer.h
@@ -59,30 +59,6 @@ static inline int64_t get_ticks_per_sec(void)
return 1000000000LL;
}
-/* compute with 96 bit intermediate result: (a*b)/c */
-static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
-{
- union {
- uint64_t ll;
- struct {
-#ifdef HOST_WORDS_BIGENDIAN
- uint32_t high, low;
-#else
- uint32_t low, high;
-#endif
- } l;
- } u, res;
- uint64_t rl, rh;
-
- u.ll = a;
- rl = (uint64_t)u.l.low * (uint64_t)b;
- rh = (uint64_t)u.l.high * (uint64_t)b;
- rh += (rl >> 32);
- res.l.high = rh / c;
- res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
- return res.ll;
-}
-
/* real time host monotonic timer */
static inline int64_t get_clock_realtime(void)
{