diff options
| -rw-r--r-- | hw/omap_clk.c | 1 | ||||
| -rw-r--r-- | qemu-common.h | 24 | ||||
| -rw-r--r-- | qemu-timer.h | 24 |
3 files changed, 24 insertions, 25 deletions
diff --git a/hw/omap_clk.c b/hw/omap_clk.c index 10c9c43..6bcabef 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 2fbc27f..d31f366 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 299e387..8cd8f83 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) { |