Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Add cpu0-id to query-sev-capabilities
* whpx support for breakpoints and stepping
* initial support for Hyper-V Synthetic Debugging
* use monotonic clock for QemuCond and QemuSemaphore
* Remove qemu-common.h include from most units and lots of other clenaups
* do not include headers for all virtio devices in virtio-ccw.h

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# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 13 Apr 2022 10:31:44 AM PDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (53 commits)
  target/i386: Remove unused XMMReg, YMMReg types and CPUState fields
  target/i386: do not access beyond the low 128 bits of SSE registers
  virtio-ccw: do not include headers for all virtio devices
  virtio-ccw: move device type declarations to .c files
  virtio-ccw: move vhost_ccw_scsi to a separate file
  s390x: follow qdev tree to detect SCSI device on a CCW bus
  hw: hyperv: Initial commit for Synthetic Debugging device
  hyperv: Add support to process syndbg commands
  hyperv: Add definitions for syndbg
  hyperv: SControl is optional to enable SynIc
  thread-posix: optimize qemu_sem_timedwait with zero timeout
  thread-posix: implement Semaphore with QemuCond and QemuMutex
  thread-posix: use monotonic clock for QemuCond and QemuSemaphore
  thread-posix: remove the posix semaphore support
  whpx: Added support for breakpoints and stepping
  build-sys: simplify AF_VSOCK check
  build-sys: drop ntddscsi.h check
  Remove qemu-common.h include from most units
  qga: remove explicit environ argument from exec/spawn
  Move fcntl_setfl() to oslib-posix
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

43 files changed, 368 insertions, 216 deletions

diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index c0f0fab..5d5290d 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -34,13 +34,13 @@
 
 /* some important defines:
  *
- * HOST_WORDS_BIGENDIAN : if defined, the host cpu is big endian and
+ * HOST_BIG_ENDIAN : whether the host cpu is big endian and
  * otherwise little endian.
  *
- * TARGET_WORDS_BIGENDIAN : same for target cpu
+ * TARGET_BIG_ENDIAN : same for the target cpu
  */
 
-#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
+#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN
 #define BSWAP_NEEDED
 #endif
 
@@ -120,7 +120,7 @@ static inline void tswap64s(uint64_t *s)
 /* Target-endianness CPU memory access functions. These fit into the
  * {ld,st}{type}{sign}{size}{endian}_p naming scheme described in bswap.h.
  */
-#if defined(TARGET_WORDS_BIGENDIAN)
+#if TARGET_BIG_ENDIAN
 #define lduw_p(p) lduw_be_p(p)
 #define ldsw_p(p) ldsw_be_p(p)
 #define ldl_p(p) ldl_be_p(p)
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index 50a7d29..5968551 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -19,6 +19,9 @@ typedef uint64_t vaddr;
 #define VADDR_PRIX PRIX64
 #define VADDR_MAX UINT64_MAX
 
+void cpu_exec_init_all(void);
+void cpu_exec_step_atomic(CPUState *cpu);
+
 /* Using intptr_t ensures that qemu_*_page_mask is sign-extended even
  * when intptr_t is 32-bit and we are aligning a long long.
  */
@@ -26,7 +29,7 @@ extern uintptr_t qemu_host_page_size;
 extern intptr_t qemu_host_page_mask;
 
 #define HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_host_page_size)
-#define REAL_HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_real_host_page_size)
+#define REAL_HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_real_host_page_size())
 
 /* The CPU list lock nests outside page_(un)lock or mmap_(un)lock */
 void qemu_init_cpu_list(void);
@@ -46,7 +49,7 @@ enum device_endian {
     DEVICE_LITTLE_ENDIAN,
 };
 
-#if defined(HOST_WORDS_BIGENDIAN)
+#if HOST_BIG_ENDIAN
 #define DEVICE_HOST_ENDIAN DEVICE_BIG_ENDIAN
 #else
 #define DEVICE_HOST_ENDIAN DEVICE_LITTLE_ENDIAN
diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h
index 6adacf8..d0c7c0d 100644
--- a/include/exec/cpu_ldst.h
+++ b/include/exec/cpu_ldst.h
@@ -377,7 +377,7 @@ static inline CPUTLBEntry *tlb_entry(CPUArchState *env, uintptr_t mmu_idx,
 
 #endif /* defined(CONFIG_USER_ONLY) */
 
-#ifdef TARGET_WORDS_BIGENDIAN
+#if TARGET_BIG_ENDIAN
 # define cpu_lduw_data        cpu_lduw_be_data
 # define cpu_ldsw_data        cpu_ldsw_be_data
 # define cpu_ldl_data         cpu_ldl_be_data
diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h
index 89edf94..c35d733 100644
--- a/include/exec/gdbstub.h
+++ b/include/exec/gdbstub.h
@@ -110,7 +110,7 @@ static inline int gdb_get_reg128(GByteArray *buf, uint64_t val_hi,
                                  uint64_t val_lo)
 {
     uint64_t to_quad;
-#ifdef TARGET_WORDS_BIGENDIAN
+#if TARGET_BIG_ENDIAN
     to_quad = tswap64(val_hi);
     g_byte_array_append(buf, (uint8_t *) &to_quad, 8);
     to_quad = tswap64(val_lo);
diff --git a/include/exec/memop.h b/include/exec/memop.h
index 2a885f3..25d0274 100644
--- a/include/exec/memop.h
+++ b/include/exec/memop.h
@@ -28,7 +28,7 @@ typedef enum MemOp {
     MO_SIGN  = 0x08,   /* Sign-extended, otherwise zero-extended.  */
 
     MO_BSWAP = 0x10,   /* Host reverse endian.  */
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     MO_LE    = MO_BSWAP,
     MO_BE    = 0,
 #else
@@ -36,7 +36,7 @@ typedef enum MemOp {
     MO_BE    = MO_BSWAP,
 #endif
 #ifdef NEED_CPU_H
-#ifdef TARGET_WORDS_BIGENDIAN
+#if TARGET_BIG_ENDIAN
     MO_TE    = MO_BE,
 #else
     MO_TE    = MO_LE,
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 4d5997e..f1c1945 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -2931,7 +2931,7 @@ static inline MemOp devend_memop(enum device_endian end)
     QEMU_BUILD_BUG_ON(DEVICE_HOST_ENDIAN != DEVICE_LITTLE_ENDIAN &&
                       DEVICE_HOST_ENDIAN != DEVICE_BIG_ENDIAN);
 
-#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
+#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN
     /* Swap if non-host endianness or native (target) endianness */
     return (end == DEVICE_HOST_ENDIAN) ? 0 : MO_BSWAP;
 #else
diff --git a/include/exec/page-vary.h b/include/exec/page-vary.h
index c22a7a7..ebbe9b1 100644
--- a/include/exec/page-vary.h
+++ b/include/exec/page-vary.h
@@ -31,4 +31,22 @@ extern bool set_preferred_target_page_bits_common(int bits);
 extern void finalize_target_page_bits_common(int min);
 #endif
 
+/**
+ * set_preferred_target_page_bits:
+ * @bits: number of bits needed to represent an address within the page
+ *
+ * Set the preferred target page size (the actual target page
+ * size may be smaller than any given CPU's preference).
+ * Returns true on success, false on failure (which can only happen
+ * if this is called after the system has already finalized its
+ * choice of page size and the requested page size is smaller than that).
+ */
+bool set_preferred_target_page_bits(int bits);
+
+/**
+ * finalize_target_page_bits:
+ * Commit the final value set by set_preferred_target_page_bits.
+ */
+void finalize_target_page_bits(void);
+
 #endif /* EXEC_PAGE_VARY_H */
diff --git a/include/exec/poison.h b/include/exec/poison.h
index 7c5c02f..9f1ca34 100644
--- a/include/exec/poison.h
+++ b/include/exec/poison.h
@@ -38,7 +38,7 @@
 #pragma GCC poison TARGET_HAS_BFLT
 #pragma GCC poison TARGET_NAME
 #pragma GCC poison TARGET_SUPPORTS_MTTCG
-#pragma GCC poison TARGET_WORDS_BIGENDIAN
+#pragma GCC poison TARGET_BIG_ENDIAN
 #pragma GCC poison BSWAP_NEEDED
 
 #pragma GCC poison TARGET_LONG_BITS
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 64fb936..f3e0c78 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -343,7 +343,7 @@ static inline void cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap,
     hwaddr addr;
     ram_addr_t ram_addr;
     unsigned long len = (pages + HOST_LONG_BITS - 1) / HOST_LONG_BITS;
-    unsigned long hpratio = qemu_real_host_page_size / TARGET_PAGE_SIZE;
+    unsigned long hpratio = qemu_real_host_page_size() / TARGET_PAGE_SIZE;
     unsigned long page = BIT_WORD(start >> TARGET_PAGE_BITS);
 
     /* start address is aligned at the start of a word? */
diff --git a/include/fpu/softfloat-types.h b/include/fpu/softfloat-types.h
index 8abd9ab..7a6ea88 100644
--- a/include/fpu/softfloat-types.h
+++ b/include/fpu/softfloat-types.h
@@ -103,7 +103,7 @@ typedef struct {
 #define make_floatx80(exp, mant) ((floatx80) { mant, exp })
 #define make_floatx80_init(exp, mant) { .low = mant, .high = exp }
 typedef struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     uint64_t high, low;
 #else
     uint64_t low, high;
diff --git a/include/glib-compat.h b/include/glib-compat.h
index 3113a7d..dc14d3e 100644
--- a/include/glib-compat.h
+++ b/include/glib-compat.h
@@ -145,6 +145,16 @@ qemu_g_test_slow(void)
 #define g_test_thorough() qemu_g_test_slow()
 #define g_test_quick() (!qemu_g_test_slow())
 
+#if GLIB_CHECK_VERSION(2,62,0)
+static inline gchar *
+g_date_time_format_iso8601_compat(GDateTime *datetime)
+{
+    return g_date_time_format_iso8601(datetime);
+}
+
+#define g_date_time_format_iso8601 g_date_time_format_iso8601_compat
+#endif
+
 #pragma GCC diagnostic pop
 
 #endif
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 1369736..466bed6 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -187,7 +187,7 @@ struct CPUClass {
 typedef union IcountDecr {
     uint32_t u32;
     struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
         uint16_t high;
         uint16_t low;
 #else
@@ -1028,13 +1028,15 @@ void cpu_exec_unrealizefn(CPUState *cpu);
  * target_words_bigendian:
  * Returns true if the (default) endianness of the target is big endian,
  * false otherwise. Note that in target-specific code, you can use
- * TARGET_WORDS_BIGENDIAN directly instead. On the other hand, common
+ * TARGET_BIG_ENDIAN directly instead. On the other hand, common
  * code should normally never need to know about the endianness of the
  * target, so please do *not* use this function unless you know very well
  * what you are doing!
  */
 bool target_words_bigendian(void);
 
+void page_size_init(void);
+
 #ifdef NEED_CPU_H
 
 #ifdef CONFIG_SOFTMMU
diff --git a/include/hw/hyperv/hyperv-proto.h b/include/hw/hyperv/hyperv-proto.h
index 21dc28a..4a22973 100644
--- a/include/hw/hyperv/hyperv-proto.h
+++ b/include/hw/hyperv/hyperv-proto.h
@@ -24,12 +24,17 @@
 #define HV_STATUS_INVALID_PORT_ID             17
 #define HV_STATUS_INVALID_CONNECTION_ID       18
 #define HV_STATUS_INSUFFICIENT_BUFFERS        19
+#define HV_STATUS_NOT_ACKNOWLEDGED            20
+#define HV_STATUS_NO_DATA                     27
 
 /*
  * Hypercall numbers
  */
 #define HV_POST_MESSAGE                       0x005c
 #define HV_SIGNAL_EVENT                       0x005d
+#define HV_POST_DEBUG_DATA                    0x0069
+#define HV_RETRIEVE_DEBUG_DATA                0x006a
+#define HV_RESET_DEBUG_SESSION                0x006b
 #define HV_HYPERCALL_FAST                     (1u << 16)
 
 /*
@@ -127,4 +132,51 @@ struct hyperv_event_flags_page {
     struct hyperv_event_flags slot[HV_SINT_COUNT];
 };
 
+/*
+ * Kernel debugger structures
+ */
+
+/* Options flags for hyperv_reset_debug_session */
+#define HV_DEBUG_PURGE_INCOMING_DATA        0x00000001
+#define HV_DEBUG_PURGE_OUTGOING_DATA        0x00000002
+struct hyperv_reset_debug_session_input {
+    uint32_t options;
+} __attribute__ ((__packed__));
+
+struct hyperv_reset_debug_session_output {
+    uint32_t host_ip;
+    uint32_t target_ip;
+    uint16_t host_port;
+    uint16_t target_port;
+    uint8_t host_mac[6];
+    uint8_t target_mac[6];
+} __attribute__ ((__packed__));
+
+/* Options for hyperv_post_debug_data */
+#define HV_DEBUG_POST_LOOP                  0x00000001
+
+struct hyperv_post_debug_data_input {
+    uint32_t count;
+    uint32_t options;
+    /*uint8_t data[HV_HYP_PAGE_SIZE - 2 * sizeof(uint32_t)];*/
+} __attribute__ ((__packed__));
+
+struct hyperv_post_debug_data_output {
+    uint32_t pending_count;
+} __attribute__ ((__packed__));
+
+/* Options for hyperv_retrieve_debug_data */
+#define HV_DEBUG_RETRIEVE_LOOP              0x00000001
+#define HV_DEBUG_RETRIEVE_TEST_ACTIVITY     0x00000002
+
+struct hyperv_retrieve_debug_data_input {
+    uint32_t count;
+    uint32_t options;
+    uint64_t timeout;
+} __attribute__ ((__packed__));
+
+struct hyperv_retrieve_debug_data_output {
+    uint32_t retrieved_count;
+    uint32_t remaining_count;
+} __attribute__ ((__packed__));
 #endif
diff --git a/include/hw/hyperv/hyperv.h b/include/hw/hyperv/hyperv.h
index a63ee00..015c352 100644
--- a/include/hw/hyperv/hyperv.h
+++ b/include/hw/hyperv/hyperv.h
@@ -81,4 +81,62 @@ void hyperv_synic_update(CPUState *cs, bool enable,
                          hwaddr msg_page_addr, hwaddr event_page_addr);
 bool hyperv_is_synic_enabled(void);
 
+/*
+ * Process HVCALL_RESET_DEBUG_SESSION hypercall.
+ */
+uint16_t hyperv_hcall_reset_dbg_session(uint64_t outgpa);
+/*
+ * Process HVCALL_RETREIVE_DEBUG_DATA hypercall.
+ */
+uint16_t hyperv_hcall_retreive_dbg_data(uint64_t ingpa, uint64_t outgpa,
+                                        bool fast);
+/*
+ * Process HVCALL_POST_DEBUG_DATA hypercall.
+ */
+uint16_t hyperv_hcall_post_dbg_data(uint64_t ingpa, uint64_t outgpa, bool fast);
+
+uint32_t hyperv_syndbg_send(uint64_t ingpa, uint32_t count);
+uint32_t hyperv_syndbg_recv(uint64_t ingpa, uint32_t count);
+void hyperv_syndbg_set_pending_page(uint64_t ingpa);
+uint64_t hyperv_syndbg_query_options(void);
+
+typedef enum HvSynthDbgMsgType {
+    HV_SYNDBG_MSG_CONNECTION_INFO,
+    HV_SYNDBG_MSG_SEND,
+    HV_SYNDBG_MSG_RECV,
+    HV_SYNDBG_MSG_SET_PENDING_PAGE,
+    HV_SYNDBG_MSG_QUERY_OPTIONS
+} HvDbgSynthMsgType;
+
+typedef struct HvSynDbgMsg {
+    HvDbgSynthMsgType type;
+    union {
+        struct {
+            uint32_t host_ip;
+            uint16_t host_port;
+        } connection_info;
+        struct {
+            uint64_t buf_gpa;
+            uint32_t count;
+            uint32_t pending_count;
+            bool is_raw;
+        } send;
+        struct {
+            uint64_t buf_gpa;
+            uint32_t count;
+            uint32_t options;
+            uint64_t timeout;
+            uint32_t retrieved_count;
+            bool is_raw;
+        } recv;
+        struct {
+            uint64_t buf_gpa;
+        } pending_page;
+        struct {
+            uint64_t options;
+        } query_options;
+    } u;
+} HvSynDbgMsg;
+typedef uint16_t (*HvSynDbgHandler)(void *context, HvSynDbgMsg *msg);
+void hyperv_set_syndbg_handler(HvSynDbgHandler handler, void *context);
 #endif
diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h
index 3b5ac86..bfa982a 100644
--- a/include/hw/i386/intel_iommu.h
+++ b/include/hw/i386/intel_iommu.h
@@ -145,7 +145,7 @@ enum {
 /* Interrupt Remapping Table Entry Definition */
 union VTD_IR_TableEntry {
     struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
         uint32_t __reserved_1:8;     /* Reserved 1 */
         uint32_t vector:8;           /* Interrupt Vector */
         uint32_t irte_mode:1;        /* IRTE Mode */
@@ -172,7 +172,7 @@ union VTD_IR_TableEntry {
 #endif
         uint32_t dest_id;            /* Destination ID */
         uint16_t source_id;          /* Source-ID */
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
         uint64_t __reserved_2:44;    /* Reserved 2 */
         uint64_t sid_vtype:2;        /* Source-ID Validation Type */
         uint64_t sid_q:2;            /* Source-ID Qualifier */
@@ -191,7 +191,7 @@ union VTD_IR_TableEntry {
 /* Programming format for MSI/MSI-X addresses */
 union VTD_IR_MSIAddress {
     struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
         uint32_t __head:12;          /* Should always be: 0x0fee */
         uint32_t index_l:15;         /* Interrupt index bit 14-0 */
         uint32_t int_mode:1;         /* Interrupt format */
diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h
index 5ba0c05..7637edb 100644
--- a/include/hw/i386/x86-iommu.h
+++ b/include/hw/i386/x86-iommu.h
@@ -87,7 +87,7 @@ struct X86IOMMUIrq {
 struct X86IOMMU_MSIMessage {
     union {
         struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
             uint32_t __addr_head:12; /* 0xfee */
             uint32_t dest:8;
             uint32_t __reserved:8;
@@ -108,7 +108,7 @@ struct X86IOMMU_MSIMessage {
     };
     union {
         struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
             uint16_t trigger_mode:1;
             uint16_t level:1;
             uint16_t __resved:3;
diff --git a/include/hw/mips/bios.h b/include/hw/mips/bios.h
index c030079..44acb68 100644
--- a/include/hw/mips/bios.h
+++ b/include/hw/mips/bios.h
@@ -5,7 +5,7 @@
 #include "cpu.h"
 
 #define BIOS_SIZE (4 * MiB)
-#ifdef TARGET_WORDS_BIGENDIAN
+#if TARGET_BIG_ENDIAN
 #define BIOS_FILENAME "mips_bios.bin"
 #else
 #define BIOS_FILENAME "mipsel_bios.bin"
diff --git a/include/hw/virtio/virtio-access.h b/include/hw/virtio/virtio-access.h
index 6818a23..07aae69 100644
--- a/include/hw/virtio/virtio-access.h
+++ b/include/hw/virtio/virtio-access.h
@@ -28,7 +28,7 @@ static inline bool virtio_access_is_big_endian(VirtIODevice *vdev)
 {
 #if defined(LEGACY_VIRTIO_IS_BIENDIAN)
     return virtio_is_big_endian(vdev);
-#elif defined(TARGET_WORDS_BIGENDIAN)
+#elif TARGET_BIG_ENDIAN
     if (virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1)) {
         /* Devices conforming to VIRTIO 1.0 or later are always LE. */
         return false;
@@ -149,7 +149,7 @@ static inline uint64_t virtio_ldq_p(VirtIODevice *vdev, const void *ptr)
 
 static inline uint16_t virtio_tswap16(VirtIODevice *vdev, uint16_t s)
 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     return virtio_access_is_big_endian(vdev) ? s : bswap16(s);
 #else
     return virtio_access_is_big_endian(vdev) ? bswap16(s) : s;
@@ -215,7 +215,7 @@ static inline void virtio_tswap16s(VirtIODevice *vdev, uint16_t *s)
 
 static inline uint32_t virtio_tswap32(VirtIODevice *vdev, uint32_t s)
 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     return virtio_access_is_big_endian(vdev) ? s : bswap32(s);
 #else
     return virtio_access_is_big_endian(vdev) ? bswap32(s) : s;
@@ -229,7 +229,7 @@ static inline void virtio_tswap32s(VirtIODevice *vdev, uint32_t *s)
 
 static inline uint64_t virtio_tswap64(VirtIODevice *vdev, uint64_t s)
 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     return virtio_access_is_big_endian(vdev) ? s : bswap64(s);
 #else
     return virtio_access_is_big_endian(vdev) ? bswap64(s) : s;
diff --git a/include/hw/virtio/virtio-gpu-bswap.h b/include/hw/virtio/virtio-gpu-bswap.h
index 5faac0d..9124108 100644
--- a/include/hw/virtio/virtio-gpu-bswap.h
+++ b/include/hw/virtio/virtio-gpu-bswap.h
@@ -29,7 +29,7 @@ virtio_gpu_ctrl_hdr_bswap(struct virtio_gpu_ctrl_hdr *hdr)
 static inline void
 virtio_gpu_bswap_32(void *ptr, size_t size)
 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
 
     size_t i;
     struct virtio_gpu_ctrl_hdr *hdr = (struct virtio_gpu_ctrl_hdr *) ptr;
diff --git a/include/libdecnumber/dconfig.h b/include/libdecnumber/dconfig.h
index 0f7dcce..2bc0ba7f 100644
--- a/include/libdecnumber/dconfig.h
+++ b/include/libdecnumber/dconfig.h
@@ -28,7 +28,7 @@
    02110-1301, USA.  */
 
 
-#if defined(HOST_WORDS_BIGENDIAN)
+#if HOST_BIG_ENDIAN
 #define WORDS_BIGENDIAN 1
 #else
 #define WORDS_BIGENDIAN 0
diff --git a/include/net/eth.h b/include/net/eth.h
index 7767ae8..6e699b0 100644
--- a/include/net/eth.h
+++ b/include/net/eth.h
@@ -159,7 +159,7 @@ struct tcp_hdr {
     u_short     th_dport;   /* destination port */
     uint32_t    th_seq;     /* sequence number */
     uint32_t    th_ack;     /* acknowledgment number */
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     u_char  th_off : 4,     /* data offset */
         th_x2:4;            /* (unused) */
 #else
diff --git a/include/qapi/qmp/qbool.h b/include/qapi/qmp/qbool.h
index 2f888d1..0d09726 100644
--- a/include/qapi/qmp/qbool.h
+++ b/include/qapi/qmp/qbool.h
@@ -21,6 +21,10 @@ struct QBool {
     bool value;
 };
 
+void qbool_unref(QBool *q);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(QBool, qbool_unref)
+
 QBool *qbool_from_bool(bool value);
 bool qbool_get_bool(const QBool *qb);
 
diff --git a/include/qapi/qmp/qdict.h b/include/qapi/qmp/qdict.h
index d5b5430..882d950 100644
--- a/include/qapi/qmp/qdict.h
+++ b/include/qapi/qmp/qdict.h
@@ -30,6 +30,10 @@ struct QDict {
     QLIST_HEAD(,QDictEntry) table[QDICT_BUCKET_MAX];
 };
 
+void qdict_unref(QDict *q);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(QDict, qdict_unref)
+
 /* Object API */
 QDict *qdict_new(void);
 const char *qdict_entry_key(const QDictEntry *entry);
diff --git a/include/qapi/qmp/qlist.h b/include/qapi/qmp/qlist.h
index 06e98ad..e4e985d 100644
--- a/include/qapi/qmp/qlist.h
+++ b/include/qapi/qmp/qlist.h
@@ -26,6 +26,10 @@ struct QList {
     QTAILQ_HEAD(,QListEntry) head;
 };
 
+void qlist_unref(QList *q);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(QList, qlist_unref)
+
 #define qlist_append(qlist, obj) \
         qlist_append_obj(qlist, QOBJECT(obj))
 
diff --git a/include/qapi/qmp/qnull.h b/include/qapi/qmp/qnull.h
index e84ecce..7feb7c7 100644
--- a/include/qapi/qmp/qnull.h
+++ b/include/qapi/qmp/qnull.h
@@ -26,4 +26,8 @@ static inline QNull *qnull(void)
     return qobject_ref(&qnull_);
 }
 
+void qnull_unref(QNull *q);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(QNull, qnull_unref)
+
 #endif /* QNULL_H */
diff --git a/include/qapi/qmp/qnum.h b/include/qapi/qmp/qnum.h
index 7f84e20..e86788d 100644
--- a/include/qapi/qmp/qnum.h
+++ b/include/qapi/qmp/qnum.h
@@ -54,6 +54,10 @@ struct QNum {
     } u;
 };
 
+void qnum_unref(QNum *q);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(QNum, qnum_unref)
+
 QNum *qnum_from_int(int64_t value);
 QNum *qnum_from_uint(uint64_t value);
 QNum *qnum_from_double(double value);
diff --git a/include/qapi/qmp/qstring.h b/include/qapi/qmp/qstring.h
index 1d8ba46..318d815 100644
--- a/include/qapi/qmp/qstring.h
+++ b/include/qapi/qmp/qstring.h
@@ -20,6 +20,10 @@ struct QString {
     const char *string;
 };
 
+void qstring_unref(QString *q);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(QString, qstring_unref)
+
 QString *qstring_new(void);
 QString *qstring_from_str(const char *str);
 QString *qstring_from_substr(const char *str, size_t start, size_t end);
diff --git a/include/qemu-common.h b/include/qemu-common.h
index f0fe07c..a923ed2 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -1,17 +1,6 @@
-/*
- * This file is supposed to be included only by .c files. No header file should
- * depend on qemu-common.h, as this would easily lead to circular header
- * dependencies.
- *
- * If a header file uses a definition from qemu-common.h, that definition
- * must be moved to a separate header file, and the header that uses it
- * must include that header.
- */
 #ifndef QEMU_COMMON_H
 #define QEMU_COMMON_H
 
-#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
-
 /* Copyright string for -version arguments, About dialogs, etc */
 #define QEMU_COPYRIGHT "Copyright (c) 2003-2022 " \
     "Fabrice Bellard and the QEMU Project developers"
@@ -26,92 +15,4 @@
 int qemu_main(int argc, char **argv, char **envp);
 #endif
 
-ssize_t qemu_write_full(int fd, const void *buf, size_t count)
-    G_GNUC_WARN_UNUSED_RESULT;
-
-#ifndef _WIN32
-int qemu_pipe(int pipefd[2]);
-/* like openpty() but also makes it raw; return master fd */
-int qemu_openpty_raw(int *aslave, char *pty_name);
-#endif
-
-void cpu_exec_init_all(void);
-void cpu_exec_step_atomic(CPUState *cpu);
-
-/**
- * set_preferred_target_page_bits:
- * @bits: number of bits needed to represent an address within the page
- *
- * Set the preferred target page size (the actual target page
- * size may be smaller than any given CPU's preference).
- * Returns true on success, false on failure (which can only happen
- * if this is called after the system has already finalized its
- * choice of page size and the requested page size is smaller than that).
- */
-bool set_preferred_target_page_bits(int bits);
-
-/**
- * finalize_target_page_bits:
- * Commit the final value set by set_preferred_target_page_bits.
- */
-void finalize_target_page_bits(void);
-
-/**
- * Sends a (part of) iovec down a socket, yielding when the socket is full, or
- * Receives data into a (part of) iovec from a socket,
- * yielding when there is no data in the socket.
- * The same interface as qemu_sendv_recvv(), with added yielding.
- * XXX should mark these as coroutine_fn
- */
-ssize_t qemu_co_sendv_recvv(int sockfd, struct iovec *iov, unsigned iov_cnt,
-                            size_t offset, size_t bytes, bool do_send);
-#define qemu_co_recvv(sockfd, iov, iov_cnt, offset, bytes) \
-  qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, false)
-#define qemu_co_sendv(sockfd, iov, iov_cnt, offset, bytes) \
-  qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, true)
-
-/**
- * The same as above, but with just a single buffer
- */
-ssize_t qemu_co_send_recv(int sockfd, void *buf, size_t bytes, bool do_send);
-#define qemu_co_recv(sockfd, buf, bytes) \
-  qemu_co_send_recv(sockfd, buf, bytes, false)
-#define qemu_co_send(sockfd, buf, bytes) \
-  qemu_co_send_recv(sockfd, buf, bytes, true)
-
-void qemu_progress_init(int enabled, float min_skip);
-void qemu_progress_end(void);
-void qemu_progress_print(float delta, int max);
-const char *qemu_get_vm_name(void);
-
-/* OS specific functions */
-void os_setup_early_signal_handling(void);
-int os_parse_cmd_args(int index, const char *optarg);
-
-/*
- * Hexdump a line of a byte buffer into a hexadecimal/ASCII buffer
- */
-#define QEMU_HEXDUMP_LINE_BYTES 16 /* Number of bytes to dump */
-#define QEMU_HEXDUMP_LINE_LEN 75   /* Number of characters in line */
-void qemu_hexdump_line(char *line, unsigned int b, const void *bufptr,
-                       unsigned int len, bool ascii);
-
-/*
- * Hexdump a buffer to a file. An optional string prefix is added to every line
- */
-
-void qemu_hexdump(FILE *fp, const char *prefix,
-                  const void *bufptr, size_t size);
-
-/*
- * helper to parse debug environment variables
- */
-int parse_debug_env(const char *name, int max, int initial);
-
-void page_size_init(void);
-
-/* returns non-zero if dump is in progress, otherwise zero is
- * returned. */
-bool dump_in_progress(void);
-
 #endif
diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h
index 2d3bb8b..346d05f 100644
--- a/include/qemu/bswap.h
+++ b/include/qemu/bswap.h
@@ -19,8 +19,6 @@
 extern "C" {
 #endif
 
-#include "fpu/softfloat-types.h"
-
 #ifdef BSWAP_FROM_BYTESWAP
 static inline uint16_t bswap16(uint16_t x)
 {
@@ -84,7 +82,7 @@ static inline void bswap64s(uint64_t *s)
     *s = bswap64(*s);
 }
 
-#if defined(HOST_WORDS_BIGENDIAN)
+#if HOST_BIG_ENDIAN
 #define be_bswap(v, size) (v)
 #define le_bswap(v, size) glue(bswap, size)(v)
 #define be_bswaps(v, size)
@@ -188,7 +186,7 @@ CPU_CONVERT(le, 64, uint64_t)
  * a compile-time constant if you pass in a constant.  So this can be
  * used to initialize static variables.
  */
-#if defined(HOST_WORDS_BIGENDIAN)
+#if HOST_BIG_ENDIAN
 # define const_le32(_x)                          \
     ((((_x) & 0x000000ffU) << 24) |              \
      (((_x) & 0x0000ff00U) <<  8) |              \
@@ -202,64 +200,6 @@ CPU_CONVERT(le, 64, uint64_t)
 # define const_le16(_x) (_x)
 #endif
 
-/* Unions for reinterpreting between floats and integers.  */
-
-typedef union {
-    float32 f;
-    uint32_t l;
-} CPU_FloatU;
-
-typedef union {
-    float64 d;
-#if defined(HOST_WORDS_BIGENDIAN)
-    struct {
-        uint32_t upper;
-        uint32_t lower;
-    } l;
-#else
-    struct {
-        uint32_t lower;
-        uint32_t upper;
-    } l;
-#endif
-    uint64_t ll;
-} CPU_DoubleU;
-
-typedef union {
-     floatx80 d;
-     struct {
-         uint64_t lower;
-         uint16_t upper;
-     } l;
-} CPU_LDoubleU;
-
-typedef union {
-    float128 q;
-#if defined(HOST_WORDS_BIGENDIAN)
-    struct {
-        uint32_t upmost;
-        uint32_t upper;
-        uint32_t lower;
-        uint32_t lowest;
-    } l;
-    struct {
-        uint64_t upper;
-        uint64_t lower;
-    } ll;
-#else
-    struct {
-        uint32_t lowest;
-        uint32_t lower;
-        uint32_t upper;
-        uint32_t upmost;
-    } l;
-    struct {
-        uint64_t lower;
-        uint64_t upper;
-    } ll;
-#endif
-} CPU_QuadU;
-
 /* unaligned/endian-independent pointer access */
 
 /*
diff --git a/include/qemu/coroutine.h b/include/qemu/coroutine.h
index c828a95..284571b 100644
--- a/include/qemu/coroutine.h
+++ b/include/qemu/coroutine.h
@@ -343,4 +343,27 @@ void qemu_coroutine_decrease_pool_batch_size(unsigned int additional_pool_size);
 
 #include "qemu/lockable.h"
 
+/**
+ * Sends a (part of) iovec down a socket, yielding when the socket is full, or
+ * Receives data into a (part of) iovec from a socket,
+ * yielding when there is no data in the socket.
+ * The same interface as qemu_sendv_recvv(), with added yielding.
+ * XXX should mark these as coroutine_fn
+ */
+ssize_t qemu_co_sendv_recvv(int sockfd, struct iovec *iov, unsigned iov_cnt,
+                            size_t offset, size_t bytes, bool do_send);
+#define qemu_co_recvv(sockfd, iov, iov_cnt, offset, bytes) \
+  qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, false)
+#define qemu_co_sendv(sockfd, iov, iov_cnt, offset, bytes) \
+  qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, true)
+
+/**
+ * The same as above, but with just a single buffer
+ */
+ssize_t qemu_co_send_recv(int sockfd, void *buf, size_t bytes, bool do_send);
+#define qemu_co_recv(sockfd, buf, bytes) \
+  qemu_co_send_recv(sockfd, buf, bytes, false)
+#define qemu_co_send(sockfd, buf, bytes) \
+  qemu_co_send_recv(sockfd, buf, bytes, true)
+
 #endif /* QEMU_COROUTINE_H */
diff --git a/include/qemu/cpu-float.h b/include/qemu/cpu-float.h
new file mode 100644
index 0000000..9110994
--- /dev/null
+++ b/include/qemu/cpu-float.h
@@ -0,0 +1,64 @@
+#ifndef QEMU_CPU_FLOAT_H_
+#define QEMU_CPU_FLOAT_H_
+
+#include "fpu/softfloat-types.h"
+
+/* Unions for reinterpreting between floats and integers.  */
+
+typedef union {
+    float32 f;
+    uint32_t l;
+} CPU_FloatU;
+
+typedef union {
+    float64 d;
+#if HOST_BIG_ENDIAN
+    struct {
+        uint32_t upper;
+        uint32_t lower;
+    } l;
+#else
+    struct {
+        uint32_t lower;
+        uint32_t upper;
+    } l;
+#endif
+    uint64_t ll;
+} CPU_DoubleU;
+
+typedef union {
+     floatx80 d;
+     struct {
+         uint64_t lower;
+         uint16_t upper;
+     } l;
+} CPU_LDoubleU;
+
+typedef union {
+    float128 q;
+#if HOST_BIG_ENDIAN
+    struct {
+        uint32_t upmost;
+        uint32_t upper;
+        uint32_t lower;
+        uint32_t lowest;
+    } l;
+    struct {
+        uint64_t upper;
+        uint64_t lower;
+    } ll;
+#else
+    struct {
+        uint32_t lowest;
+        uint32_t lower;
+        uint32_t upper;
+        uint32_t upmost;
+    } l;
+    struct {
+        uint64_t lower;
+        uint64_t upper;
+    } ll;
+#endif
+} CPU_QuadU;
+
+#endif /* QEMU_CPU_FLOAT_H_ */
diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h
index 3205439..e873bad 100644
--- a/include/qemu/cutils.h
+++ b/include/qemu/cutils.h
@@ -131,7 +131,6 @@ const char *qemu_strchrnul(const char *s, int c);
 time_t mktimegm(struct tm *tm);
 int qemu_fdatasync(int fd);
 int qemu_msync(void *addr, size_t length, int fd);
-int fcntl_setfl(int fd, int flag);
 int qemu_parse_fd(const char *param);
 int qemu_strtoi(const char *nptr, const char **endptr, int base,
                 int *result);
@@ -214,4 +213,24 @@ static inline const char *yes_no(bool b)
      return b ? "yes" : "no";
 }
 
+/*
+ * helper to parse debug environment variables
+ */
+int parse_debug_env(const char *name, int max, int initial);
+
+/*
+ * Hexdump a line of a byte buffer into a hexadecimal/ASCII buffer
+ */
+#define QEMU_HEXDUMP_LINE_BYTES 16 /* Number of bytes to dump */
+#define QEMU_HEXDUMP_LINE_LEN 75   /* Number of characters in line */
+void qemu_hexdump_line(char *line, unsigned int b, const void *bufptr,
+                       unsigned int len, bool ascii);
+
+/*
+ * Hexdump a buffer to a file. An optional string prefix is added to every line
+ */
+
+void qemu_hexdump(FILE *fp, const char *prefix,
+                  const void *bufptr, size_t size);
+
 #endif
diff --git a/include/qemu/host-utils.h b/include/qemu/host-utils.h
index ca979dc..f19bd29 100644
--- a/include/qemu/host-utils.h
+++ b/include/qemu/host-utils.h
@@ -88,7 +88,7 @@ static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
     union {
         uint64_t ll;
         struct {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
             uint32_t high, low;
 #else
             uint32_t low, high;
diff --git a/include/qemu/int128.h b/include/qemu/int128.h
index 2c40642..37e07fd 100644
--- a/include/qemu/int128.h
+++ b/include/qemu/int128.h
@@ -205,7 +205,7 @@ typedef struct Int128 Int128;
  * a union with other integer types).
  */
 struct Int128 {
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
     int64_t hi;
     uint64_t lo;
 #else
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 9f06bf5..a733294 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -34,6 +34,18 @@
 #include "exec/poison.h"
 #endif
 
+/*
+ * HOST_WORDS_BIGENDIAN was replaced with HOST_BIG_ENDIAN. Prevent it from
+ * creeping back in.
+ */
+#pragma GCC poison HOST_WORDS_BIGENDIAN
+
+/*
+ * TARGET_WORDS_BIGENDIAN was replaced with TARGET_BIG_ENDIAN. Prevent it from
+ * creeping back in.
+ */
+#pragma GCC poison TARGET_WORDS_BIGENDIAN
+
 #include "qemu/compiler.h"
 
 /* Older versions of C++ don't get definitions of various macros from
@@ -214,6 +226,8 @@ extern "C" {
 #define ESHUTDOWN 4099
 #endif
 
+#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
+
 /* time_t may be either 32 or 64 bits depending on the host OS, and
  * can be either signed or unsigned, so we can't just hardcode a
  * specific maximum value. This is not a C preprocessor constant,
@@ -419,9 +433,9 @@ extern int madvise(char *, size_t, int);
    /* Use 1 MiB (segment size) alignment so gmap can be used by KVM. */
 #  define QEMU_VMALLOC_ALIGN (256 * 4096)
 #elif defined(__linux__) && defined(__sparc__)
-#  define QEMU_VMALLOC_ALIGN MAX(qemu_real_host_page_size, SHMLBA)
+#  define QEMU_VMALLOC_ALIGN MAX(qemu_real_host_page_size(), SHMLBA)
 #else
-#  define QEMU_VMALLOC_ALIGN qemu_real_host_page_size
+#  define QEMU_VMALLOC_ALIGN qemu_real_host_page_size()
 #endif
 
 #ifdef CONFIG_POSIX
@@ -513,6 +527,13 @@ static inline void qemu_timersub(const struct timeval *val1,
 #define qemu_timersub timersub
 #endif
 
+ssize_t qemu_write_full(int fd, const void *buf, size_t count)
+    G_GNUC_WARN_UNUSED_RESULT;
+
+#ifndef _WIN32
+int qemu_pipe(int pipefd[2]);
+#endif
+
 void qemu_set_cloexec(int fd);
 
 void fips_set_state(bool requested);
@@ -578,8 +599,15 @@ pid_t qemu_fork(Error **errp);
 /* Using intptr_t ensures that qemu_*_page_mask is sign-extended even
  * when intptr_t is 32-bit and we are aligning a long long.
  */
-extern uintptr_t qemu_real_host_page_size;
-extern intptr_t qemu_real_host_page_mask;
+static inline uintptr_t qemu_real_host_page_size(void)
+{
+    return getpagesize();
+}
+
+static inline intptr_t qemu_real_host_page_mask(void)
+{
+    return -(intptr_t)qemu_real_host_page_size();
+}
 
 /*
  * After using getopt or getopt_long, if you need to parse another set
diff --git a/include/qemu/qemu-progress.h b/include/qemu/qemu-progress.h
new file mode 100644
index 0000000..137e1c3
--- /dev/null
+++ b/include/qemu/qemu-progress.h
@@ -0,0 +1,8 @@
+#ifndef QEMU_PROGRESS_H
+#define QEMU_PROGRESS_H
+
+void qemu_progress_init(int enabled, float min_skip);
+void qemu_progress_end(void);
+void qemu_progress_print(float delta, int max);
+
+#endif /* QEMU_PROGRESS_H */
diff --git a/include/qemu/thread-posix.h b/include/qemu/thread-posix.h
index b792e6e..5f2f3d1 100644
--- a/include/qemu/thread-posix.h
+++ b/include/qemu/thread-posix.h
@@ -27,14 +27,9 @@ struct QemuCond {
 };
 
 struct QemuSemaphore {
-#ifndef CONFIG_SEM_TIMEDWAIT
-    pthread_mutex_t lock;
-    pthread_cond_t cond;
+    QemuMutex mutex;
+    QemuCond cond;
     unsigned int count;
-#else
-    sem_t sem;
-#endif
-    bool initialized;
 };
 
 struct QemuEvent {
diff --git a/include/sysemu/accel-ops.h b/include/sysemu/accel-ops.h
index 6013c94..a0572ea 100644
--- a/include/sysemu/accel-ops.h
+++ b/include/sysemu/accel-ops.h
@@ -38,6 +38,7 @@ struct AccelOpsClass {
     void (*synchronize_post_init)(CPUState *cpu);
     void (*synchronize_state)(CPUState *cpu);
     void (*synchronize_pre_loadvm)(CPUState *cpu);
+    void (*synchronize_pre_resume)(bool step_pending);
 
     void (*handle_interrupt)(CPUState *cpu, int mask);
 
diff --git a/include/sysemu/os-posix.h b/include/sysemu/os-posix.h
index dd64fb4..adbe19d 100644
--- a/include/sysemu/os-posix.h
+++ b/include/sysemu/os-posix.h
@@ -42,7 +42,9 @@
 extern "C" {
 #endif
 
+int os_parse_cmd_args(int index, const char *optarg);
 void os_set_line_buffering(void);
+void os_setup_early_signal_handling(void);
 void os_set_proc_name(const char *s);
 void os_setup_signal_handling(void);
 void os_daemonize(void);
@@ -52,9 +54,6 @@ int os_mlock(void);
 #define closesocket(s) close(s)
 #define ioctlsocket(s, r, v) ioctl(s, r, v)
 
-typedef struct timeval qemu_timeval;
-#define qemu_gettimeofday(tp) gettimeofday(tp, NULL)
-
 int os_set_daemonize(bool d);
 bool is_daemonized(void);
 
@@ -97,6 +96,8 @@ static inline void qemu_funlockfile(FILE *f)
     funlockfile(f);
 }
 
+int fcntl_setfl(int fd, int flag);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/sysemu/os-win32.h b/include/sysemu/os-win32.h
index 7707522..3c74a78 100644
--- a/include/sysemu/os-win32.h
+++ b/include/sysemu/os-win32.h
@@ -62,8 +62,10 @@ struct tm *localtime_r(const time_t *timep, struct tm *result);
 static inline void os_setup_signal_handling(void) {}
 static inline void os_daemonize(void) {}
 static inline void os_setup_post(void) {}
-void os_set_line_buffering(void);
 static inline void os_set_proc_name(const char *dummy) {}
+static inline int os_parse_cmd_args(int index, const char *optarg) { return -1; }
+void os_set_line_buffering(void);
+void os_setup_early_signal_handling(void);
 
 int getpagesize(void);
 
@@ -71,12 +73,6 @@ int getpagesize(void);
 # define EPROTONOSUPPORT EINVAL
 #endif
 
-typedef struct {
-    long tv_sec;
-    long tv_usec;
-} qemu_timeval;
-int qemu_gettimeofday(qemu_timeval *tp);
-
 static inline int os_set_daemonize(bool d)
 {
     if (d) {
diff --git a/include/sysemu/runstate.h b/include/sysemu/runstate.h
index a535691..f3ed525 100644
--- a/include/sysemu/runstate.h
+++ b/include/sysemu/runstate.h
@@ -34,7 +34,13 @@ static inline bool shutdown_caused_by_guest(ShutdownCause cause)
 }
 
 void vm_start(void);
-int vm_prepare_start(void);
+
+/**
+ * vm_prepare_start: Prepare for starting/resuming the VM
+ *
+ * @step_pending: whether any of the CPUs is about to be single-stepped by gdb
+ */
+int vm_prepare_start(bool step_pending);
 int vm_stop(RunState state);
 int vm_stop_force_state(RunState state);
 int vm_shutdown(void);
@@ -69,6 +75,7 @@ void qemu_system_killed(int signal, pid_t pid);
 void qemu_system_reset(ShutdownCause reason);
 void qemu_system_guest_panicked(GuestPanicInformation *info);
 void qemu_system_guest_crashloaded(GuestPanicInformation *info);
+bool qemu_system_dump_in_progress(void);
 
 #endif
 
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index b9421e0..10e283c 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -13,6 +13,8 @@ extern const char *qemu_name;
 extern QemuUUID qemu_uuid;
 extern bool qemu_uuid_set;
 
+const char *qemu_get_vm_name(void);
+
 void qemu_add_exit_notifier(Notifier *notify);
 void qemu_remove_exit_notifier(Notifier *notify);
 
diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h
index 806ddcd..0c77560 100644
--- a/include/ui/qemu-pixman.h
+++ b/include/ui/qemu-pixman.h
@@ -19,7 +19,7 @@
  * feeding libjpeg / libpng and writing screenshots.
  */
 
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
 # define PIXMAN_BE_r8g8b8     PIXMAN_r8g8b8
 # define PIXMAN_BE_x8r8g8b8   PIXMAN_x8r8g8b8
 # define PIXMAN_BE_a8r8g8b8   PIXMAN_a8r8g8b8