diff options
Diffstat (limited to 'include/qemu')
| -rw-r--r-- | include/qemu/atomic.h | 36 | ||||
| -rw-r--r-- | include/qemu/atomic128.h | 153 | ||||
| -rw-r--r-- | include/qemu/compiler.h | 35 | ||||
| -rw-r--r-- | include/qemu/cutils.h | 12 | ||||
| -rw-r--r-- | include/qemu/hbitmap.h | 25 | ||||
| -rw-r--r-- | include/qemu/memfd.h | 18 | ||||
| -rw-r--r-- | include/qemu/osdep.h | 17 | ||||
| -rw-r--r-- | include/qemu/thread.h | 17 | ||||
| -rw-r--r-- | include/qemu/timer.h | 118 | ||||
| -rw-r--r-- | include/qemu/win_dump_defs.h | 179 |
10 files changed, 542 insertions, 68 deletions
diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h index 9ed39effd3..f6993a8fb1 100644 --- a/include/qemu/atomic.h +++ b/include/qemu/atomic.h @@ -98,7 +98,7 @@ * We'd prefer not want to pull in everything else TCG related, so handle * those few cases by hand. * - * Note that x32 is fully detected with __x64_64__ + _ILP32, and that for + * Note that x32 is fully detected with __x86_64__ + _ILP32, and that for * Sparc we always force the use of sparcv9 in configure. */ #if defined(__x86_64__) || defined(__sparc__) @@ -450,4 +450,38 @@ _oldn; \ }) +/* Abstractions to access atomically (i.e. "once") i64/u64 variables */ +#ifdef CONFIG_ATOMIC64 +static inline int64_t atomic_read_i64(const int64_t *ptr) +{ + /* use __nocheck because sizeof(void *) might be < sizeof(u64) */ + return atomic_read__nocheck(ptr); +} + +static inline uint64_t atomic_read_u64(const uint64_t *ptr) +{ + return atomic_read__nocheck(ptr); +} + +static inline void atomic_set_i64(int64_t *ptr, int64_t val) +{ + atomic_set__nocheck(ptr, val); +} + +static inline void atomic_set_u64(uint64_t *ptr, uint64_t val) +{ + atomic_set__nocheck(ptr, val); +} + +static inline void atomic64_init(void) +{ +} +#else /* !CONFIG_ATOMIC64 */ +int64_t atomic_read_i64(const int64_t *ptr); +uint64_t atomic_read_u64(const uint64_t *ptr); +void atomic_set_i64(int64_t *ptr, int64_t val); +void atomic_set_u64(uint64_t *ptr, uint64_t val); +void atomic64_init(void); +#endif /* !CONFIG_ATOMIC64 */ + #endif /* QEMU_ATOMIC_H */ diff --git a/include/qemu/atomic128.h b/include/qemu/atomic128.h new file mode 100644 index 0000000000..a6af22ff10 --- /dev/null +++ b/include/qemu/atomic128.h @@ -0,0 +1,153 @@ +/* + * Simple interface for 128-bit atomic operations. + * + * Copyright (C) 2018 Linaro, Ltd. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + * See docs/devel/atomics.txt for discussion about the guarantees each + * atomic primitive is meant to provide. + */ + +#ifndef QEMU_ATOMIC128_H +#define QEMU_ATOMIC128_H + +/* + * GCC is a house divided about supporting large atomic operations. + * + * For hosts that only have large compare-and-swap, a legalistic reading + * of the C++ standard means that one cannot implement __atomic_read on + * read-only memory, and thus all atomic operations must synchronize + * through libatomic. + * + * See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878 + * + * This interpretation is not especially helpful for QEMU. + * For softmmu, all RAM is always read/write from the hypervisor. + * For user-only, if the guest doesn't implement such an __atomic_read + * then the host need not worry about it either. + * + * Moreover, using libatomic is not an option, because its interface is + * built for std::atomic<T>, and requires that *all* accesses to such an + * object go through the library. In our case we do not have an object + * in the C/C++ sense, but a view of memory as seen by the guest. + * The guest may issue a large atomic operation and then access those + * pieces using word-sized accesses. From the hypervisor, we have no + * way to connect those two actions. + * + * Therefore, special case each platform. + */ + +#if defined(CONFIG_ATOMIC128) +static inline Int128 atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new) +{ + return atomic_cmpxchg__nocheck(ptr, cmp, new); +} +# define HAVE_CMPXCHG128 1 +#elif defined(CONFIG_CMPXCHG128) +static inline Int128 atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new) +{ + return __sync_val_compare_and_swap_16(ptr, cmp, new); +} +# define HAVE_CMPXCHG128 1 +#elif defined(__aarch64__) +/* Through gcc 8, aarch64 has no support for 128-bit at all. */ +static inline Int128 atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new) +{ + uint64_t cmpl = int128_getlo(cmp), cmph = int128_gethi(cmp); + uint64_t newl = int128_getlo(new), newh = int128_gethi(new); + uint64_t oldl, oldh; + uint32_t tmp; + + asm("0: ldaxp %[oldl], %[oldh], %[mem]\n\t" + "cmp %[oldl], %[cmpl]\n\t" + "ccmp %[oldh], %[cmph], #0, eq\n\t" + "b.ne 1f\n\t" + "stlxp %w[tmp], %[newl], %[newh], %[mem]\n\t" + "cbnz %w[tmp], 0b\n" + "1:" + : [mem] "+m"(*ptr), [tmp] "=&r"(tmp), + [oldl] "=&r"(oldl), [oldh] "=r"(oldh) + : [cmpl] "r"(cmpl), [cmph] "r"(cmph), + [newl] "r"(newl), [newh] "r"(newh) + : "memory", "cc"); + + return int128_make128(oldl, oldh); +} +# define HAVE_CMPXCHG128 1 +#else +/* Fallback definition that must be optimized away, or error. */ +Int128 QEMU_ERROR("unsupported atomic") + atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new); +# define HAVE_CMPXCHG128 0 +#endif /* Some definition for HAVE_CMPXCHG128 */ + + +#if defined(CONFIG_ATOMIC128) +static inline Int128 atomic16_read(Int128 *ptr) +{ + return atomic_read__nocheck(ptr); +} + +static inline void atomic16_set(Int128 *ptr, Int128 val) +{ + atomic_set__nocheck(ptr, val); +} + +# define HAVE_ATOMIC128 1 +#elif !defined(CONFIG_USER_ONLY) && defined(__aarch64__) +/* We can do better than cmpxchg for AArch64. */ +static inline Int128 atomic16_read(Int128 *ptr) +{ + uint64_t l, h; + uint32_t tmp; + + /* The load must be paired with the store to guarantee not tearing. */ + asm("0: ldxp %[l], %[h], %[mem]\n\t" + "stxp %w[tmp], %[l], %[h], %[mem]\n\t" + "cbnz %w[tmp], 0b" + : [mem] "+m"(*ptr), [tmp] "=r"(tmp), [l] "=r"(l), [h] "=r"(h)); + + return int128_make128(l, h); +} + +static inline void atomic16_set(Int128 *ptr, Int128 val) +{ + uint64_t l = int128_getlo(val), h = int128_gethi(val); + uint64_t t1, t2; + + /* Load into temporaries to acquire the exclusive access lock. */ + asm("0: ldxp %[t1], %[t2], %[mem]\n\t" + "stxp %w[t1], %[l], %[h], %[mem]\n\t" + "cbnz %w[t1], 0b" + : [mem] "+m"(*ptr), [t1] "=&r"(t1), [t2] "=&r"(t2) + : [l] "r"(l), [h] "r"(h)); +} + +# define HAVE_ATOMIC128 1 +#elif !defined(CONFIG_USER_ONLY) && HAVE_CMPXCHG128 +static inline Int128 atomic16_read(Int128 *ptr) +{ + /* Maybe replace 0 with 0, returning the old value. */ + return atomic16_cmpxchg(ptr, 0, 0); +} + +static inline void atomic16_set(Int128 *ptr, Int128 val) +{ + Int128 old = *ptr, cmp; + do { + cmp = old; + old = atomic16_cmpxchg(ptr, cmp, val); + } while (old != cmp); +} + +# define HAVE_ATOMIC128 1 +#else +/* Fallback definitions that must be optimized away, or error. */ +Int128 QEMU_ERROR("unsupported atomic") atomic16_read(Int128 *ptr); +void QEMU_ERROR("unsupported atomic") atomic16_set(Int128 *ptr, Int128 val); +# define HAVE_ATOMIC128 0 +#endif /* Some definition for HAVE_ATOMIC128 */ + +#endif /* QEMU_ATOMIC128_H */ diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index 5843812710..6b92710487 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -122,6 +122,41 @@ #ifndef __has_feature #define __has_feature(x) 0 /* compatibility with non-clang compilers */ #endif + +#ifndef __has_builtin +#define __has_builtin(x) 0 /* compatibility with non-clang compilers */ +#endif + +#if __has_builtin(__builtin_assume_aligned) || QEMU_GNUC_PREREQ(4, 7) +#define HAS_ASSUME_ALIGNED +#endif + +#ifndef __has_attribute +#define __has_attribute(x) 0 /* compatibility with older GCC */ +#endif + +/* + * GCC doesn't provide __has_attribute() until GCC 5, but we know all the GCC + * versions we support have the "flatten" attribute. Clang may not have the + * "flatten" attribute but always has __has_attribute() to check for it. + */ +#if __has_attribute(flatten) || !defined(__clang__) +# define QEMU_FLATTEN __attribute__((flatten)) +#else +# define QEMU_FLATTEN +#endif + +/* + * If __attribute__((error)) is present, use it to produce an error at + * compile time. Otherwise, one must wait for the linker to diagnose + * the missing symbol. + */ +#if __has_attribute(error) +# define QEMU_ERROR(X) __attribute__((error(X))) +#else +# define QEMU_ERROR(X) +#endif + /* Implement C11 _Generic via GCC builtins. Example: * * QEMU_GENERIC(x, (float, sinf), (long double, sinl), sin) (x) diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h index 47aaa3b0b9..7071bfe2d4 100644 --- a/include/qemu/cutils.h +++ b/include/qemu/cutils.h @@ -169,4 +169,16 @@ bool test_buffer_is_zero_next_accel(void); int uleb128_encode_small(uint8_t *out, uint32_t n); int uleb128_decode_small(const uint8_t *in, uint32_t *n); +/** + * qemu_pstrcmp0: + * @str1: a non-NULL pointer to a C string (*str1 can be NULL) + * @str2: a non-NULL pointer to a C string (*str2 can be NULL) + * + * Compares *str1 and *str2 with g_strcmp0(). + * + * Returns: an integer less than, equal to, or greater than zero, if + * *str1 is <, == or > than *str2. + */ +int qemu_pstrcmp0(const char **str1, const char **str2); + #endif diff --git a/include/qemu/hbitmap.h b/include/qemu/hbitmap.h index ddca52c48e..a7cb780592 100644 --- a/include/qemu/hbitmap.h +++ b/include/qemu/hbitmap.h @@ -73,16 +73,23 @@ void hbitmap_truncate(HBitmap *hb, uint64_t size); /** * hbitmap_merge: - * @a: The bitmap to store the result in. - * @b: The bitmap to merge into @a. - * @return true if the merge was successful, - * false if it was not attempted. - * - * Merge two bitmaps together. - * A := A (BITOR) B. - * B is left unmodified. + * + * Store result of merging @a and @b into @result. + * @result is allowed to be equal to @a or @b. + * + * Return true if the merge was successful, + * false if it was not attempted. + */ +bool hbitmap_merge(const HBitmap *a, const HBitmap *b, HBitmap *result); + +/** + * hbitmap_can_merge: + * + * hbitmap_can_merge(a, b) && hbitmap_can_merge(a, result) is sufficient and + * necessary for hbitmap_merge will not fail. + * */ -bool hbitmap_merge(HBitmap *a, const HBitmap *b); +bool hbitmap_can_merge(const HBitmap *a, const HBitmap *b); /** * hbitmap_empty: diff --git a/include/qemu/memfd.h b/include/qemu/memfd.h index 49e79634da..d551c28b68 100644 --- a/include/qemu/memfd.h +++ b/include/qemu/memfd.h @@ -16,12 +16,28 @@ #define F_SEAL_WRITE 0x0008 /* prevent writes */ #endif +#ifndef MFD_CLOEXEC +#define MFD_CLOEXEC 0x0001U +#endif + +#ifndef MFD_ALLOW_SEALING +#define MFD_ALLOW_SEALING 0x0002U +#endif + +#ifndef MFD_HUGETLB +#define MFD_HUGETLB 0x0004U +#endif + +#ifndef MFD_HUGE_SHIFT +#define MFD_HUGE_SHIFT 26 +#endif + int qemu_memfd_create(const char *name, size_t size, bool hugetlb, uint64_t hugetlbsize, unsigned int seals, Error **errp); bool qemu_memfd_alloc_check(void); void *qemu_memfd_alloc(const char *name, size_t size, unsigned int seals, int *fd, Error **errp); void qemu_memfd_free(void *ptr, size_t size, int fd); -bool qemu_memfd_check(void); +bool qemu_memfd_check(unsigned int flags); #endif /* QEMU_MEMFD_H */ diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index a91068df0e..3bf48bcdec 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -123,6 +123,18 @@ extern int daemon(int, int); #include "qemu/typedefs.h" /* + * For mingw, as of v6.0.0, the function implementing the assert macro is + * not marked as noreturn, so the compiler cannot delete code following an + * assert(false) as unused. We rely on this within the code base to delete + * code that is unreachable when features are disabled. + * All supported versions of Glib's g_assert() satisfy this requirement. + */ +#ifdef __MINGW32__ +#undef assert +#define assert(x) g_assert(x) +#endif + +/* * According to waitpid man page: * WCOREDUMP * This macro is not specified in POSIX.1-2001 and is not @@ -448,7 +460,8 @@ bool qemu_has_ofd_lock(void); #define FMT_pid "%d" #endif -int qemu_create_pidfile(const char *filename); +bool qemu_write_pidfile(const char *pidfile, Error **errp); + int qemu_get_thread_id(void); #ifndef CONFIG_IOVEC @@ -570,6 +583,8 @@ extern uintptr_t qemu_real_host_page_size; extern intptr_t qemu_real_host_page_mask; extern int qemu_icache_linesize; +extern int qemu_icache_linesize_log; extern int qemu_dcache_linesize; +extern int qemu_dcache_linesize_log; #endif diff --git a/include/qemu/thread.h b/include/qemu/thread.h index dacebcfff0..b2661b6672 100644 --- a/include/qemu/thread.h +++ b/include/qemu/thread.h @@ -48,6 +48,22 @@ extern QemuCondWaitFunc qemu_cond_wait_func; #define qemu_mutex_trylock__raw(m) \ qemu_mutex_trylock_impl(m, __FILE__, __LINE__) +#ifdef __COVERITY__ +/* + * Coverity is severely confused by the indirect function calls, + * hide them. + */ +#define qemu_mutex_lock(m) \ + qemu_mutex_lock_impl(m, __FILE__, __LINE__); +#define qemu_mutex_trylock(m) \ + qemu_mutex_trylock_impl(m, __FILE__, __LINE__); +#define qemu_rec_mutex_lock(m) \ + qemu_rec_mutex_lock_impl(m, __FILE__, __LINE__); +#define qemu_rec_mutex_trylock(m) \ + qemu_rec_mutex_trylock_impl(m, __FILE__, __LINE__); +#define qemu_cond_wait(c, m) \ + qemu_cond_wait_impl(c, m, __FILE__, __LINE__); +#else #define qemu_mutex_lock(m) ({ \ QemuMutexLockFunc _f = atomic_read(&qemu_mutex_lock_func); \ _f(m, __FILE__, __LINE__); \ @@ -73,6 +89,7 @@ extern QemuCondWaitFunc qemu_cond_wait_func; QemuCondWaitFunc _f = atomic_read(&qemu_cond_wait_func); \ _f(c, m, __FILE__, __LINE__); \ }) +#endif #define qemu_mutex_unlock(mutex) \ qemu_mutex_unlock_impl(mutex, __FILE__, __LINE__) diff --git a/include/qemu/timer.h b/include/qemu/timer.h index 39ea907e65..a86330c987 100644 --- a/include/qemu/timer.h +++ b/include/qemu/timer.h @@ -2,6 +2,7 @@ #define QEMU_TIMER_H #include "qemu-common.h" +#include "qemu/bitops.h" #include "qemu/notify.h" #include "qemu/host-utils.h" @@ -52,6 +53,24 @@ typedef enum { QEMU_CLOCK_MAX } QEMUClockType; +/** + * QEMU Timer attributes: + * + * An individual timer may be given one or multiple attributes when initialized. + * Each attribute corresponds to one bit. Attributes modify the processing + * of timers when they fire. + * + * The following attributes are available: + * + * QEMU_TIMER_ATTR_EXTERNAL: drives external subsystem + * + * Timers with this attribute do not recorded in rr mode, therefore it could be + * used for the subsystems that operate outside the guest core. Applicable only + * with virtual clock type. + */ + +#define QEMU_TIMER_ATTR_EXTERNAL BIT(0) + typedef struct QEMUTimerList QEMUTimerList; struct QEMUTimerListGroup { @@ -67,6 +86,7 @@ struct QEMUTimer { QEMUTimerCB *cb; void *opaque; QEMUTimer *next; + int attributes; int scale; }; @@ -418,22 +438,27 @@ int64_t timerlistgroup_deadline_ns(QEMUTimerListGroup *tlg); */ /** - * timer_init_tl: + * timer_init_full: * @ts: the timer to be initialised - * @timer_list: the timer list to attach the timer to + * @timer_list_group: (optional) the timer list group to attach the timer to + * @type: the clock type to use * @scale: the scale value for the timer + * @attributes: 0, or one or more OR'ed QEMU_TIMER_ATTR_<id> values * @cb: the callback to be called when the timer expires * @opaque: the opaque pointer to be passed to the callback * - * Initialise a new timer and associate it with @timer_list. + * Initialise a timer with the given scale and attributes, + * and associate it with timer list for given clock @type in @timer_list_group + * (or default timer list group, if NULL). * The caller is responsible for allocating the memory. * * You need not call an explicit deinit call. Simply make * sure it is not on a list with timer_del. */ -void timer_init_tl(QEMUTimer *ts, - QEMUTimerList *timer_list, int scale, - QEMUTimerCB *cb, void *opaque); +void timer_init_full(QEMUTimer *ts, + QEMUTimerListGroup *timer_list_group, QEMUClockType type, + int scale, int attributes, + QEMUTimerCB *cb, void *opaque); /** * timer_init: @@ -445,14 +470,12 @@ void timer_init_tl(QEMUTimer *ts, * * Initialize a timer with the given scale on the default timer list * associated with the clock. - * - * You need not call an explicit deinit call. Simply make - * sure it is not on a list with timer_del. + * See timer_init_full for details. */ static inline void timer_init(QEMUTimer *ts, QEMUClockType type, int scale, QEMUTimerCB *cb, void *opaque) { - timer_init_tl(ts, main_loop_tlg.tl[type], scale, cb, opaque); + timer_init_full(ts, NULL, type, scale, 0, cb, opaque); } /** @@ -464,9 +487,7 @@ static inline void timer_init(QEMUTimer *ts, QEMUClockType type, int scale, * * Initialize a timer with nanosecond scale on the default timer list * associated with the clock. - * - * You need not call an explicit deinit call. Simply make - * sure it is not on a list with timer_del. + * See timer_init_full for details. */ static inline void timer_init_ns(QEMUTimer *ts, QEMUClockType type, QEMUTimerCB *cb, void *opaque) @@ -483,9 +504,7 @@ static inline void timer_init_ns(QEMUTimer *ts, QEMUClockType type, * * Initialize a timer with microsecond scale on the default timer list * associated with the clock. - * - * You need not call an explicit deinit call. Simply make - * sure it is not on a list with timer_del. + * See timer_init_full for details. */ static inline void timer_init_us(QEMUTimer *ts, QEMUClockType type, QEMUTimerCB *cb, void *opaque) @@ -502,9 +521,7 @@ static inline void timer_init_us(QEMUTimer *ts, QEMUClockType type, * * Initialize a timer with millisecond scale on the default timer list * associated with the clock. - * - * You need not call an explicit deinit call. Simply make - * sure it is not on a list with timer_del. + * See timer_init_full for details. */ static inline void timer_init_ms(QEMUTimer *ts, QEMUClockType type, QEMUTimerCB *cb, void *opaque) @@ -513,27 +530,37 @@ static inline void timer_init_ms(QEMUTimer *ts, QEMUClockType type, } /** - * timer_new_tl: - * @timer_list: the timer list to attach the timer to + * timer_new_full: + * @timer_list_group: (optional) the timer list group to attach the timer to + * @type: the clock type to use * @scale: the scale value for the timer + * @attributes: 0, or one or more OR'ed QEMU_TIMER_ATTR_<id> values * @cb: the callback to be called when the timer expires * @opaque: the opaque pointer to be passed to the callback * - * Create a new timer and associate it with @timer_list. + * Create a new timer with the given scale and attributes, + * and associate it with timer list for given clock @type in @timer_list_group + * (or default timer list group, if NULL). * The memory is allocated by the function. * * This is not the preferred interface unless you know you - * are going to call timer_free. Use timer_init instead. + * are going to call timer_free. Use timer_init or timer_init_full instead. + * + * The default timer list has one special feature: in icount mode, + * %QEMU_CLOCK_VIRTUAL timers are run in the vCPU thread. This is + * not true of other timer lists, which are typically associated + * with an AioContext---each of them runs its timer callbacks in its own + * AioContext thread. * * Returns: a pointer to the timer */ -static inline QEMUTimer *timer_new_tl(QEMUTimerList *timer_list, - int scale, - QEMUTimerCB *cb, - void *opaque) +static inline QEMUTimer *timer_new_full(QEMUTimerListGroup *timer_list_group, + QEMUClockType type, + int scale, int attributes, + QEMUTimerCB *cb, void *opaque) { QEMUTimer *ts = g_malloc0(sizeof(QEMUTimer)); - timer_init_tl(ts, timer_list, scale, cb, opaque); + timer_init_full(ts, timer_list_group, type, scale, attributes, cb, opaque); return ts; } @@ -544,21 +571,16 @@ static inline QEMUTimer *timer_new_tl(QEMUTimerList *timer_list, * @cb: the callback to be called when the timer expires * @opaque: the opaque pointer to be passed to the callback * - * Create a new timer and associate it with the default - * timer list for the clock type @type. - * - * The default timer list has one special feature: in icount mode, - * %QEMU_CLOCK_VIRTUAL timers are run in the vCPU thread. This is - * not true of other timer lists, which are typically associated - * with an AioContext---each of them runs its timer callbacks in its own - * AioContext thread. + * Create a new timer with the given scale, + * and associate it with the default timer list for the clock type @type. + * See timer_new_full for details. * * Returns: a pointer to the timer */ static inline QEMUTimer *timer_new(QEMUClockType type, int scale, QEMUTimerCB *cb, void *opaque) { - return timer_new_tl(main_loop_tlg.tl[type], scale, cb, opaque); + return timer_new_full(NULL, type, scale, 0, cb, opaque); } /** @@ -569,12 +591,7 @@ static inline QEMUTimer *timer_new(QEMUClockType type, int scale, * * Create a new timer with nanosecond scale on the default timer list * associated with the clock. - * - * The default timer list has one special feature: in icount mode, - * %QEMU_CLOCK_VIRTUAL timers are run in the vCPU thread. This is - * not true of other timer lists, which are typically associated - * with an AioContext---each of them runs its timer callbacks in its own - * AioContext thread. + * See timer_new_full for details. * * Returns: a pointer to the newly created timer */ @@ -590,14 +607,9 @@ static inline QEMUTimer *timer_new_ns(QEMUClockType type, QEMUTimerCB *cb, * @cb: the callback to call when the timer expires * @opaque: the opaque pointer to pass to the callback * - * The default timer list has one special feature: in icount mode, - * %QEMU_CLOCK_VIRTUAL timers are run in the vCPU thread. This is - * not true of other timer lists, which are typically associated - * with an AioContext---each of them runs its timer callbacks in its own - * AioContext thread. - * * Create a new timer with microsecond scale on the default timer list * associated with the clock. + * See timer_new_full for details. * * Returns: a pointer to the newly created timer */ @@ -613,14 +625,9 @@ static inline QEMUTimer *timer_new_us(QEMUClockType type, QEMUTimerCB *cb, * @cb: the callback to call when the timer expires * @opaque: the opaque pointer to pass to the callback * - * The default timer list has one special feature: in icount mode, - * %QEMU_CLOCK_VIRTUAL timers are run in the vCPU thread. This is - * not true of other timer lists, which are typically associated - * with an AioContext---each of them runs its timer callbacks in its own - * AioContext thread. - * * Create a new timer with millisecond scale on the default timer list * associated with the clock. + * See timer_new_full for details. * * Returns: a pointer to the newly created timer */ @@ -1037,7 +1044,6 @@ static inline int64_t profile_getclock(void) return get_clock(); } -extern int64_t tcg_time; extern int64_t dev_time; #endif diff --git a/include/qemu/win_dump_defs.h b/include/qemu/win_dump_defs.h new file mode 100644 index 0000000000..145096e8ee --- /dev/null +++ b/include/qemu/win_dump_defs.h @@ -0,0 +1,179 @@ +/* + * Windows crashdump definitions + * + * Copyright (c) 2018 Virtuozzo International GmbH + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef QEMU_WIN_DUMP_DEFS_H +#define QEMU_WIN_DUMP_DEFS_H + +typedef struct WinDumpPhyMemRun64 { + uint64_t BasePage; + uint64_t PageCount; +} QEMU_PACKED WinDumpPhyMemRun64; + +typedef struct WinDumpPhyMemDesc64 { + uint32_t NumberOfRuns; + uint32_t unused; + uint64_t NumberOfPages; + WinDumpPhyMemRun64 Run[43]; +} QEMU_PACKED WinDumpPhyMemDesc64; + +typedef struct WinDumpExceptionRecord { + uint32_t ExceptionCode; + uint32_t ExceptionFlags; + uint64_t ExceptionRecord; + uint64_t ExceptionAddress; + uint32_t NumberParameters; + uint32_t unused; + uint64_t ExceptionInformation[15]; +} QEMU_PACKED WinDumpExceptionRecord; + +typedef struct WinDumpHeader64 { + char Signature[4]; + char ValidDump[4]; + uint32_t MajorVersion; + uint32_t MinorVersion; + uint64_t DirectoryTableBase; + uint64_t PfnDatabase; + uint64_t PsLoadedModuleList; + uint64_t PsActiveProcessHead; + uint32_t MachineImageType; + uint32_t NumberProcessors; + union { + struct { + uint32_t BugcheckCode; + uint32_t unused0; + uint64_t BugcheckParameter1; + uint64_t BugcheckParameter2; + uint64_t BugcheckParameter3; + uint64_t BugcheckParameter4; + }; + uint8_t BugcheckData[40]; + }; + uint8_t VersionUser[32]; + uint64_t KdDebuggerDataBlock; + union { + WinDumpPhyMemDesc64 PhysicalMemoryBlock; + uint8_t PhysicalMemoryBlockBuffer[704]; + }; + union { + uint8_t ContextBuffer[3000]; + }; + WinDumpExceptionRecord Exception; + uint32_t DumpType; + uint32_t unused1; + uint64_t RequiredDumpSpace; + uint64_t SystemTime; + char Comment[128]; + uint64_t SystemUpTime; + uint32_t MiniDumpFields; + uint32_t SecondaryDataState; + uint32_t ProductType; + uint32_t SuiteMask; + uint32_t WriterStatus; + uint8_t unused2; + uint8_t KdSecondaryVersion; + uint8_t reserved[4018]; +} QEMU_PACKED WinDumpHeader64; + +#define KDBG_OWNER_TAG_OFFSET64 0x10 +#define KDBG_MM_PFN_DATABASE_OFFSET64 0xC0 +#define KDBG_KI_BUGCHECK_DATA_OFFSET64 0x88 +#define KDBG_KI_PROCESSOR_BLOCK_OFFSET64 0x218 +#define KDBG_OFFSET_PRCB_CONTEXT_OFFSET64 0x338 + +#define VMCOREINFO_ELF_NOTE_HDR_SIZE 24 + +#define WIN_CTX_X64 0x00100000L + +#define WIN_CTX_CTL 0x00000001L +#define WIN_CTX_INT 0x00000002L +#define WIN_CTX_SEG 0x00000004L +#define WIN_CTX_FP 0x00000008L +#define WIN_CTX_DBG 0x00000010L + +#define WIN_CTX_FULL (WIN_CTX_X64 | WIN_CTX_CTL | WIN_CTX_INT | WIN_CTX_FP) +#define WIN_CTX_ALL (WIN_CTX_FULL | WIN_CTX_SEG | WIN_CTX_DBG) + +#define LIVE_SYSTEM_DUMP 0x00000161 + +typedef struct WinM128A { + uint64_t low; + int64_t high; +} QEMU_ALIGNED(16) WinM128A; + +typedef struct WinContext { + uint64_t PHome[6]; + + uint32_t ContextFlags; + uint32_t MxCsr; + + uint16_t SegCs; + uint16_t SegDs; + uint16_t SegEs; + uint16_t SegFs; + uint16_t SegGs; + uint16_t SegSs; + uint32_t EFlags; + + uint64_t Dr0; + uint64_t Dr1; + uint64_t Dr2; + uint64_t Dr3; + uint64_t Dr6; + uint64_t Dr7; + + uint64_t Rax; + uint64_t Rcx; + uint64_t Rdx; + uint64_t Rbx; + uint64_t Rsp; + uint64_t Rbp; + uint64_t Rsi; + uint64_t Rdi; + uint64_t R8; + uint64_t R9; + uint64_t R10; + uint64_t R11; + uint64_t R12; + uint64_t R13; + uint64_t R14; + uint64_t R15; + + uint64_t Rip; + + struct { + uint16_t ControlWord; + uint16_t StatusWord; + uint8_t TagWord; + uint8_t Reserved1; + uint16_t ErrorOpcode; + uint32_t ErrorOffset; + uint16_t ErrorSelector; + uint16_t Reserved2; + uint32_t DataOffset; + uint16_t DataSelector; + uint16_t Reserved3; + uint32_t MxCsr; + uint32_t MxCsr_Mask; + WinM128A FloatRegisters[8]; + WinM128A XmmRegisters[16]; + uint8_t Reserved4[96]; + } FltSave; + + WinM128A VectorRegister[26]; + uint64_t VectorControl; + + uint64_t DebugControl; + uint64_t LastBranchToRip; + uint64_t LastBranchFromRip; + uint64_t LastExceptionToRip; + uint64_t LastExceptionFromRip; +} QEMU_ALIGNED(16) WinContext; + +#endif /* QEMU_WIN_DUMP_DEFS_H */ |