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author | Peter Maydell | 2015-04-30 16:18:30 +0200 |
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committer | Peter Maydell | 2015-04-30 16:18:30 +0200 |
commit | f90f5b9a9aa41e5ea47dc7a0f3e1f99196f485c3 (patch) | |
tree | f0420a3eb6f094bb9c988867e8f428b84980d52a /include/qemu/bitops.h | |
parent | Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20150430' into staging (diff) | |
parent | openrisc: cpu: Remove unused cpu_get_pc (diff) | |
download | qemu-f90f5b9a9aa41e5ea47dc7a0f3e1f99196f485c3.tar.gz qemu-f90f5b9a9aa41e5ea47dc7a0f3e1f99196f485c3.tar.xz qemu-f90f5b9a9aa41e5ea47dc7a0f3e1f99196f485c3.zip |
Merge remote-tracking branch 'remotes/mjt/tags/pull-trivial-patches-2015-04-30' into staging
trivial patches for 2015-04-30
# gpg: Signature made Thu Apr 30 14:07:50 2015 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg: aka "Michael Tokarev <mjt@corpit.ru>"
# gpg: aka "Michael Tokarev <mjt@debian.org>"
* remotes/mjt/tags/pull-trivial-patches-2015-04-30: (42 commits)
openrisc: cpu: Remove unused cpu_get_pc
microblaze: fix memory leak
tcg: Delete unused cpu_pc_from_tb()
kvm: Silence warning from valgrind
vhost-user: remove superfluous '\n' around error_report()
target-mips: fix memory leak
qmp-commands: Fix typo
linux-user/elfload: use QTAILQ_FOREACH instead of open-coding it
coroutine: remove unnecessary parentheses in qemu_co_queue_empty
qemu-char: remove unused list node from FDCharDriver
input: remove unused mouse_handlers list
cpus: use first_cpu macro instead of QTAILQ_FIRST(&cpus)
microblaze: cpu: delete unused cpu_interrupts_enabled
microblaze: cpu: Renumber EXCP_* constants to close gap
microblaze: cpu: Delete EXCP_NMI
microblaze: cpu: Remove unused CC_OP enum
microblaze: cpu: Remote unused cpu_get_pc
microblaze: mmu: Delete flip_um fn prototype
defconfigs: Piggyback microblazeel on microblaze
libcacard: do not use full paths for include files in the same dir
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/qemu/bitops.h')
-rw-r--r-- | include/qemu/bitops.h | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h index 90ca8df4e2..8abdcf9077 100644 --- a/include/qemu/bitops.h +++ b/include/qemu/bitops.h @@ -20,10 +20,10 @@ #define BITS_PER_BYTE CHAR_BIT #define BITS_PER_LONG (sizeof (unsigned long) * BITS_PER_BYTE) -#define BIT(nr) (1UL << (nr)) -#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) -#define BIT_WORD(nr) ((nr) / BITS_PER_LONG) -#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) +#define BIT(nr) (1UL << (nr)) +#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) +#define BIT_WORD(nr) ((nr) / BITS_PER_LONG) +#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) /** * set_bit - Set a bit in memory @@ -32,10 +32,10 @@ */ static inline void set_bit(long nr, unsigned long *addr) { - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = addr + BIT_WORD(nr); - *p |= mask; + *p |= mask; } /** @@ -45,10 +45,10 @@ static inline void set_bit(long nr, unsigned long *addr) */ static inline void clear_bit(long nr, unsigned long *addr) { - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = addr + BIT_WORD(nr); - *p &= ~mask; + *p &= ~mask; } /** @@ -58,10 +58,10 @@ static inline void clear_bit(long nr, unsigned long *addr) */ static inline void change_bit(long nr, unsigned long *addr) { - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = addr + BIT_WORD(nr); - *p ^= mask; + *p ^= mask; } /** @@ -71,12 +71,12 @@ static inline void change_bit(long nr, unsigned long *addr) */ static inline int test_and_set_bit(long nr, unsigned long *addr) { - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); - unsigned long old = *p; + unsigned long mask = BIT_MASK(nr); + unsigned long *p = addr + BIT_WORD(nr); + unsigned long old = *p; - *p = old | mask; - return (old & mask) != 0; + *p = old | mask; + return (old & mask) != 0; } /** @@ -86,12 +86,12 @@ static inline int test_and_set_bit(long nr, unsigned long *addr) */ static inline int test_and_clear_bit(long nr, unsigned long *addr) { - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); - unsigned long old = *p; + unsigned long mask = BIT_MASK(nr); + unsigned long *p = addr + BIT_WORD(nr); + unsigned long old = *p; - *p = old & ~mask; - return (old & mask) != 0; + *p = old & ~mask; + return (old & mask) != 0; } /** @@ -101,12 +101,12 @@ static inline int test_and_clear_bit(long nr, unsigned long *addr) */ static inline int test_and_change_bit(long nr, unsigned long *addr) { - unsigned long mask = BIT_MASK(nr); - unsigned long *p = addr + BIT_WORD(nr); - unsigned long old = *p; + unsigned long mask = BIT_MASK(nr); + unsigned long *p = addr + BIT_WORD(nr); + unsigned long old = *p; - *p = old ^ mask; - return (old & mask) != 0; + *p = old ^ mask; + return (old & mask) != 0; } /** @@ -116,7 +116,7 @@ static inline int test_and_change_bit(long nr, unsigned long *addr) */ static inline int test_bit(long nr, const unsigned long *addr) { - return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1))); + return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1))); } /** @@ -136,7 +136,8 @@ unsigned long find_last_bit(const unsigned long *addr, * @size: The bitmap size in bits */ unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset); + unsigned long size, + unsigned long offset); /** * find_next_zero_bit - find the next cleared bit in a memory region |