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Pull request trivial-patches 20201214 

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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-6.0-pull-request' into staging

Pull request trivial-patches 20201214

# gpg: Signature made Mon 14 Dec 2020 15:52:07 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-for-6.0-pull-request:
  configure / meson: Move check for linux/btrfs.h to meson.build
  configure / meson: Move check for sys/kcov.h to meson.build
  configure / meson: Move check for sys/signal.h to meson.build
  configure / meson: Move check for drm.h to meson.build
  configure / meson: Move check for pty.h to meson.build
  configure: Remove the obsolete check for ifaddrs.h
  blockdev: Fix a memleak in drive_backup_prepare()
  block/file-posix: fix a possible undefined behavior
  elf2dmp/pdb: Plug memleak in pdb_init_from_file
  elf2dmp/qemu_elf: Plug memleak in QEMU_Elf_init
  configure: Test if $make actually exists
  ads7846: moves from the hw/display folder to the hw/input folder.
  CODING_STYLE.rst: Be less strict about 80 character limit
  fsdev: open brace '{' following struct go on the same line
  hw/pci-host/pam: Replace magic number by PAM_REGIONS_COUNT definition
  hw/xen: Don't use '#' flag of printf format
  MAINTAINERS: update my email address
  qemu-options.hx: Fix minor issues in icount documentation
  target/i386: tracing: format length values as hex

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-12-14 20:32:38 +00:00
parent aa14de0866 48f670ecfc
commit 5bfbd8170c
29 changed files with 85 additions and 123 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
CODING_STYLE.rst
View File

@ -85,8 +85,13 @@ Line width
Lines should be 80 characters; try not to make them longer.
Sometimes it is hard to do, especially when dealing with QEMU subsystems
that use long function or symbol names. Even in that case, do not make
lines much longer than 80 characters.
that use long function or symbol names. If wrapping the line at 80 columns
is obviously less readable and more awkward, prefer not to wrap it; better
to have an 85 character line than one which is awkwardly wrapped.
Even in that case, try not to make lines much longer than 80 characters.
(The checkpatch script will warn at 100 characters, but this is intended
as a guard against obviously-overlength lines, not a target.)
Rationale:

4
MAINTAINERS
View File

@ -2442,7 +2442,7 @@ F: scripts/simplebench/
QAPI
M: Markus Armbruster <armbru@redhat.com>
M: Michael Roth <mdroth@linux.vnet.ibm.com>
M: Michael Roth <michael.roth@amd.com>
S: Supported
F: qapi/
X: qapi/*.json
@ -2486,7 +2486,7 @@ F: tests/data/qobject/qdict.txt
T: git https://repo.or.cz/qemu/armbru.git qapi-next
QEMU Guest Agent
M: Michael Roth <mdroth@linux.vnet.ibm.com>
M: Michael Roth <michael.roth@amd.com>
S: Maintained
F: qga/
F: docs/interop/qemu-ga.rst

2
block/file-posix.c
View File

@ -2111,7 +2111,7 @@ static void raw_aio_attach_aio_context(BlockDriverState *bs,
#endif
#ifdef CONFIG_LINUX_IO_URING
if (s->use_linux_io_uring) {
Error *local_err;
Error *local_err = NULL;
if (!aio_setup_linux_io_uring(new_context, &local_err)) {
error_reportf_err(local_err, "Unable to use linux io_uring, "
"falling back to thread pool: ");

1
blockdev.c
View File

@ -1827,6 +1827,7 @@ static void drive_backup_prepare(BlkActionState *common, Error **errp)
if (set_backing_hd) {
bdrv_set_backing_hd(target_bs, source, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto unref;
}
}

62
configure vendored
View File

@ -1875,6 +1875,10 @@ if test -z "$python"
then
error_exit "Python not found. Use --python=/path/to/python"
fi
if ! has "$make"
then
error_exit "GNU make ($make) not found"
fi
# Note that if the Python conditional here evaluates True we will exit
# with status 1 which is a shell 'false' value.
@ -2328,12 +2332,6 @@ else
l2tpv3=no
fi
if check_include "pty.h" ; then
pty_h=yes
else
pty_h=no
fi
cat > $TMPC <<EOF
#include <sys/mman.h>
int main(int argc, char *argv[]) {
@ -3103,28 +3101,6 @@ EOF
fi
fi
##########################################
# getifaddrs (for tests/test-io-channel-socket )
have_ifaddrs_h=yes
if ! check_include "ifaddrs.h" ; then
have_ifaddrs_h=no
fi
#########################################
# libdrm check
have_drm_h=no
if check_include "libdrm/drm.h" ; then
have_drm_h=yes
fi
#########################################
# sys/signal.h check
have_sys_signal_h=no
if check_include "sys/signal.h" ; then
have_sys_signal_h=yes
fi
##########################################
# VTE probe
@ -4426,18 +4402,6 @@ if compile_prog "" "" ; then
syncfs=yes
fi
# check for kcov support (kernel must be 4.4+, compiled with certain options)
kcov=no
if check_include sys/kcov.h ; then
kcov=yes
fi
# check for btrfs filesystem support (kernel must be 3.9+)
btrfs=no
if check_include linux/btrfs.h ; then
btrfs=yes
fi
# Search for bswap_32 function
byteswap_h=no
cat > $TMPC << EOF
@ -6136,12 +6100,6 @@ fi
if test "$syncfs" = "yes" ; then
echo "CONFIG_SYNCFS=y" >> $config_host_mak
fi
if test "$kcov" = "yes" ; then
echo "CONFIG_KCOV=y" >> $config_host_mak
fi
if test "$btrfs" = "yes" ; then
echo "CONFIG_BTRFS=y" >> $config_host_mak
fi
if test "$inotify" = "yes" ; then
echo "CONFIG_INOTIFY=y" >> $config_host_mak
fi
@ -6215,21 +6173,12 @@ fi
if test "$auth_pam" = "yes" ; then
echo "CONFIG_AUTH_PAM=y" >> $config_host_mak
fi
if test "$have_ifaddrs_h" = "yes" ; then
echo "HAVE_IFADDRS_H=y" >> $config_host_mak
fi
if test "$have_drm_h" = "yes" ; then
echo "HAVE_DRM_H=y" >> $config_host_mak
fi
if test "$have_broken_size_max" = "yes" ; then
echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
fi
if test "$have_openpty" = "yes" ; then
echo "HAVE_OPENPTY=y" >> $config_host_mak
fi
if test "$have_sys_signal_h" = "yes" ; then
echo "HAVE_SYS_SIGNAL_H=y" >> $config_host_mak
fi
# Work around a system header bug with some kernel/XFS header
# versions where they both try to define 'struct fsxattr':
@ -6694,9 +6643,6 @@ if test "$sheepdog" = "yes" ; then
add_to deprecated_features "sheepdog"
echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
fi
if test "$pty_h" = "yes" ; then
echo "HAVE_PTY_H=y" >> $config_host_mak
fi
if test "$have_mlockall" = "yes" ; then
echo "HAVE_MLOCKALL=y" >> $config_host_mak
fi

1
contrib/elf2dmp/pdb.c
View File

@ -285,6 +285,7 @@ int pdb_init_from_file(const char *name, struct pdb_reader *reader)
reader->gmf = g_mapped_file_new(name, TRUE, &gerr);
if (gerr) {
eprintf("Failed to map PDB file \'%s\'\n", name);
g_error_free(gerr);
return 1;
}

1
contrib/elf2dmp/qemu_elf.c
View File

@ -126,6 +126,7 @@ int QEMU_Elf_init(QEMU_Elf *qe, const char *filename)
qe->gmf = g_mapped_file_new(filename, TRUE, &gerr);
if (gerr) {
eprintf("Failed to map ELF dump file \'%s\'\n", filename);
g_error_free(gerr);
return 1;
}

12
fsdev/9p-marshal.h
View File

@ -1,21 +1,18 @@
#ifndef QEMU_9P_MARSHAL_H
#define QEMU_9P_MARSHAL_H
typedef struct V9fsString
{
typedef struct V9fsString {
uint16_t size;
char *data;
} V9fsString;
typedef struct V9fsQID
{
typedef struct V9fsQID {
uint8_t type;
uint32_t version;
uint64_t path;
} V9fsQID;
typedef struct V9fsStat
{
typedef struct V9fsStat {
int16_t size;
int16_t type;
int32_t dev;
@ -35,8 +32,7 @@ typedef struct V9fsStat
int32_t n_muid;
} V9fsStat;
typedef struct V9fsIattr
{
typedef struct V9fsIattr {
int32_t valid;
int32_t mode;
int32_t uid;

3
fsdev/file-op-9p.h
View File

@ -110,8 +110,7 @@ typedef union V9fsFidOpenState V9fsFidOpenState;
void cred_init(FsCred *);
struct FileOperations
{
struct FileOperations {
int (*parse_opts)(QemuOpts *, FsDriverEntry *, Error **errp);
int (*init)(FsContext *, Error **errp);
void (*cleanup)(FsContext *);

2
hw/arm/Kconfig
View File

@ -156,7 +156,7 @@ config TOSA
config SPITZ
bool
select ADS7846 # display
select ADS7846 # touch-screen controller
select MAX111X # A/D converter
select WM8750 # audio codec
select MAX7310 # GPIO expander

3
hw/display/Kconfig
View File

@ -9,9 +9,6 @@ config EDID
config FW_CFG_DMA
bool
config ADS7846
bool
config VGA_CIRRUS
bool
default y if PCI_DEVICES

1
hw/display/meson.build
View File

@ -6,7 +6,6 @@ softmmu_ss.add(when: 'CONFIG_EDID', if_true: files('edid-generate.c', 'edid-regi
softmmu_ss.add(when: 'CONFIG_FW_CFG_DMA', if_true: files('ramfb.c'))
softmmu_ss.add(when: 'CONFIG_FW_CFG_DMA', if_true: files('ramfb-standalone.c'))
softmmu_ss.add(when: 'CONFIG_ADS7846', if_true: files('ads7846.c'))
softmmu_ss.add(when: 'CONFIG_VGA_CIRRUS', if_true: files('cirrus_vga.c'))
softmmu_ss.add(when: ['CONFIG_VGA_CIRRUS', 'CONFIG_VGA_ISA'], if_true: files('cirrus_vga_isa.c'))
softmmu_ss.add(when: 'CONFIG_G364FB', if_true: files('g364fb.c'))

3
hw/input/Kconfig
View File

@ -1,6 +1,9 @@
config ADB
bool
config ADS7846
bool
config LM832X
bool
depends on I2C

0
hw/display/ads7846.c → hw/input/ads7846.c
View File

1
hw/input/meson.build
View File

@ -1,5 +1,6 @@
softmmu_ss.add(files('hid.c'))
softmmu_ss.add(when: 'CONFIG_ADB', if_true: files('adb.c', 'adb-mouse.c', 'adb-kbd.c'))
softmmu_ss.add(when: 'CONFIG_ADS7846', if_true: files('ads7846.c'))
softmmu_ss.add(when: 'CONFIG_LM832X', if_true: files('lm832x.c'))
softmmu_ss.add(when: 'CONFIG_PCKBD', if_true: files('pckbd.c'))
softmmu_ss.add(when: 'CONFIG_PL050', if_true: files('pl050.c'))

2
hw/pci-host/pam.c
View File

@ -62,7 +62,7 @@ void init_pam(DeviceState *dev, MemoryRegion *ram_memory,
void pam_update(PAMMemoryRegion *pam, int idx, uint8_t val)
{
assert(0 <= idx && idx <= 12);
assert(0 <= idx && idx < PAM_REGIONS_COUNT);
memory_region_set_enabled(&pam->alias[pam->current], false);
pam->current = (val >> ((!(idx & 1)) * 4)) & PAM_ATTR_MASK;

2
hw/pci-host/q35.c
View File

@ -641,7 +641,7 @@ static void mch_realize(PCIDevice *d, Error **errp)
init_pam(DEVICE(mch), mch->ram_memory, mch->system_memory,
mch->pci_address_space, &mch->pam_regions[0],
PAM_BIOS_BASE, PAM_BIOS_SIZE);
for (i = 0; i < 12; ++i) {
for (i = 0; i < ARRAY_SIZE(mch->pam_regions) - 1; ++i) {
init_pam(DEVICE(mch), mch->ram_memory, mch->system_memory,
mch->pci_address_space, &mch->pam_regions[i+1],
PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE, PAM_EXPAN_SIZE);

10
hw/xen/xen_pt.c
View File

@ -489,7 +489,7 @@ static int xen_pt_register_regions(XenPCIPassthroughState *s, uint16_t *cmd)
pci_register_bar(&s->dev, i, type, &s->bar[i]);
XEN_PT_LOG(&s->dev, "IO region %i registered (size=0x%08"PRIx64
" base_addr=0x%08"PRIx64" type: %#x)\n",
" base_addr=0x%08"PRIx64" type: 0x%x)\n",
i, r->size, r->base_addr, type);
}
@ -578,7 +578,7 @@ static void xen_pt_check_bar_overlap(PCIBus *bus, PCIDevice *d, void *opaque)
if (ranges_overlap(arg->addr, arg->size, r->addr, r->size)) {
XEN_PT_WARN(&s->dev,
"Overlapped to device [%02x:%02x.%d] Region: %i"
" (addr: %#"FMT_PCIBUS", len: %#"FMT_PCIBUS")\n",
" (addr: 0x%"FMT_PCIBUS", len: 0x%"FMT_PCIBUS")\n",
pci_bus_num(bus), PCI_SLOT(d->devfn),
PCI_FUNC(d->devfn), i, r->addr, r->size);
arg->rc = true;
@ -618,8 +618,8 @@ static void xen_pt_region_update(XenPCIPassthroughState *s,
pci_for_each_device(pci_get_bus(d), pci_dev_bus_num(d),
xen_pt_check_bar_overlap, &args);
if (args.rc) {
XEN_PT_WARN(d, "Region: %d (addr: %#"FMT_PCIBUS
", len: %#"FMT_PCIBUS") is overlapped.\n",
XEN_PT_WARN(d, "Region: %d (addr: 0x%"FMT_PCIBUS
", len: 0x%"FMT_PCIBUS") is overlapped.\n",
bar, sec->offset_within_address_space,
int128_get64(sec->size));
}
@ -786,7 +786,7 @@ static void xen_pt_realize(PCIDevice *d, Error **errp)
/* register real device */
XEN_PT_LOG(d, "Assigning real physical device %02x:%02x.%d"
" to devfn %#x\n",
" to devfn 0x%x\n",
s->hostaddr.bus, s->hostaddr.slot, s->hostaddr.function,
s->dev.devfn);

6
hw/xen/xen_pt_config_init.c
View File

@ -1622,7 +1622,7 @@ static int xen_pt_pcie_size_init(XenPCIPassthroughState *s,
case PCI_EXP_TYPE_PCIE_BRIDGE:
case PCI_EXP_TYPE_RC_EC:
default:
XEN_PT_ERR(d, "Unsupported device/port type %#x.\n", type);
XEN_PT_ERR(d, "Unsupported device/port type 0x%x.\n", type);
return -1;
}
}
@ -1645,11 +1645,11 @@ static int xen_pt_pcie_size_init(XenPCIPassthroughState *s,
case PCI_EXP_TYPE_PCIE_BRIDGE:
case PCI_EXP_TYPE_RC_EC:
default:
XEN_PT_ERR(d, "Unsupported device/port type %#x.\n", type);
XEN_PT_ERR(d, "Unsupported device/port type 0x%x.\n", type);
return -1;
}
} else {
XEN_PT_ERR(d, "Unsupported capability version %#x.\n", version);
XEN_PT_ERR(d, "Unsupported capability version 0x%x.\n", version);
return -1;
}

16
hw/xen/xen_pt_msi.c
View File

@ -123,7 +123,7 @@ static int msi_msix_setup(XenPCIPassthroughState *s,
*ppirq = XEN_PT_UNASSIGNED_PIRQ;
} else {
XEN_PT_LOG(&s->dev, "requested pirq %d for MSI%s"
" (vec: %#x, entry: %#x)\n",
" (vec: 0x%x, entry: 0x%x)\n",
*ppirq, is_msix ? "-X" : "", gvec, msix_entry);
}
}
@ -142,7 +142,7 @@ static int msi_msix_setup(XenPCIPassthroughState *s,
msix_entry, table_base);
if (rc) {
XEN_PT_ERR(&s->dev,
"Mapping of MSI%s (err: %i, vec: %#x, entry %#x)\n",
"Mapping of MSI%s (err: %i, vec: 0x%x, entry 0x%x)\n",
is_msix ? "-X" : "", errno, gvec, msix_entry);
return rc;
}
@ -165,8 +165,8 @@ static int msi_msix_update(XenPCIPassthroughState *s,
int rc = 0;
uint64_t table_addr = 0;
XEN_PT_LOG(d, "Updating MSI%s with pirq %d gvec %#x gflags %#x"
" (entry: %#x)\n",
XEN_PT_LOG(d, "Updating MSI%s with pirq %d gvec 0x%x gflags 0x%x"
" (entry: 0x%x)\n",
is_msix ? "-X" : "", pirq, gvec, gflags, msix_entry);
if (is_msix) {
@ -208,11 +208,11 @@ static int msi_msix_disable(XenPCIPassthroughState *s,
}
if (is_binded) {
XEN_PT_LOG(d, "Unbind MSI%s with pirq %d, gvec %#x\n",
XEN_PT_LOG(d, "Unbind MSI%s with pirq %d, gvec 0x%x\n",
is_msix ? "-X" : "", pirq, gvec);
rc = xc_domain_unbind_msi_irq(xen_xc, xen_domid, gvec, pirq, gflags);
if (rc) {
XEN_PT_ERR(d, "Unbinding of MSI%s failed. (err: %d, pirq: %d, gvec: %#x)\n",
XEN_PT_ERR(d, "Unbinding of MSI%s failed. (err: %d, pirq: %d, gvec: 0x%x)\n",
is_msix ? "-X" : "", errno, pirq, gvec);
return rc;
}
@ -539,7 +539,7 @@ int xen_pt_msix_init(XenPCIPassthroughState *s, uint32_t base)
}
if (id != PCI_CAP_ID_MSIX) {
XEN_PT_ERR(d, "Invalid id %#x base %#x\n", id, base);
XEN_PT_ERR(d, "Invalid id 0x%x base 0x%x\n", id, base);
return -1;
}
@ -582,7 +582,7 @@ int xen_pt_msix_init(XenPCIPassthroughState *s, uint32_t base)
XEN_PT_ERR(d, "Can't open /dev/mem: %s\n", strerror(errno));
goto error_out;
}
XEN_PT_LOG(d, "table_off = %#x, total_entries = %d\n",
XEN_PT_LOG(d, "table_off = 0x%x, total_entries = %d\n",
table_off, total_entries);
msix->table_offset_adjust = table_off & 0x0fff;
msix->phys_iomem_base =

2
include/hw/pci-host/i440fx.h
View File

@ -29,7 +29,7 @@ struct PCII440FXState {
MemoryRegion *system_memory;
MemoryRegion *pci_address_space;
MemoryRegion *ram_memory;
PAMMemoryRegion pam_regions[13];
PAMMemoryRegion pam_regions[PAM_REGIONS_COUNT];
MemoryRegion smram_region;
MemoryRegion smram, low_smram;
};

2
include/hw/pci-host/pam.h
View File

@ -80,6 +80,8 @@
#define SMRAM_C_BASE_SEG_MASK ((uint8_t)0x7)
#define SMRAM_C_BASE_SEG ((uint8_t)0x2) /* hardwired to b010 */
#define PAM_REGIONS_COUNT 13
typedef struct PAMMemoryRegion {
MemoryRegion alias[4]; /* index = PAM value */
unsigned current;

2
include/hw/pci-host/q35.h
View File

@ -44,7 +44,7 @@ struct MCHPCIState {
MemoryRegion *pci_address_space;
MemoryRegion *system_memory;
MemoryRegion *address_space_io;
PAMMemoryRegion pam_regions[13];
PAMMemoryRegion pam_regions[PAM_REGIONS_COUNT];
MemoryRegion smram_region, open_high_smram;
MemoryRegion smram, low_smram, high_smram;
MemoryRegion tseg_blackhole, tseg_window;

2
linux-user/ioctls.h
View File

@ -715,7 +715,7 @@
IOCTL_IGNORE(TIOCSTOP)
#endif
#ifdef CONFIG_KCOV
#ifdef HAVE_SYS_KCOV_H
IOCTL(KCOV_ENABLE, 0, TYPE_NULL)
IOCTL(KCOV_DISABLE, 0, TYPE_NULL)
IOCTL(KCOV_INIT_TRACE, IOC_R, TYPE_ULONG)

4
linux-user/syscall.c
View File

@ -73,7 +73,7 @@
#ifdef CONFIG_SENDFILE
#include <sys/sendfile.h>
#endif
#ifdef CONFIG_KCOV
#ifdef HAVE_SYS_KCOV_H
#include <sys/kcov.h>
#endif
@ -112,7 +112,7 @@
#include <linux/if_alg.h>
#include <linux/rtc.h>
#include <sound/asound.h>
#ifdef CONFIG_BTRFS
#ifdef HAVE_BTRFS_H
#include <linux/btrfs.h>
#endif
#ifdef HAVE_DRM_H

2
linux-user/syscall_defs.h
View File

@ -1006,7 +1006,7 @@ struct target_rtc_pll_info {
#define TARGET_FS_IOC32_SETVERSION TARGET_IOW('v', 2, int)
/* btrfs ioctls */
#ifdef CONFIG_BTRFS
#ifdef HAVE_BTRFS_H
#define TARGET_BTRFS_IOC_SNAP_CREATE TARGET_IOWU(BTRFS_IOCTL_MAGIC, 1)
#define TARGET_BTRFS_IOC_SCAN_DEV TARGET_IOWU(BTRFS_IOCTL_MAGIC, 4)
#define TARGET_BTRFS_IOC_FORGET_DEV TARGET_IOWU(BTRFS_IOCTL_MAGIC, 5)

5
meson.build
View File

@ -836,7 +836,12 @@ config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0]
config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
config_host_data.set('HAVE_SYS_SIGNAL_H', cc.has_header('sys/signal.h'))
ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target
arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']

42
qemu-options.hx
View File

@ -3958,30 +3958,34 @@ SRST
ERST
DEF("icount", HAS_ARG, QEMU_OPTION_icount, \
"-icount [shift=N|auto][,align=on|off][,sleep=on|off,rr=record|replay,rrfile=<filename>,rrsnapshot=<snapshot>]\n" \
"-icount [shift=N|auto][,align=on|off][,sleep=on|off][,rr=record|replay,rrfile=<filename>[,rrsnapshot=<snapshot>]]\n" \
" enable virtual instruction counter with 2^N clock ticks per\n" \
" instruction, enable aligning the host and virtual clocks\n" \
" or disable real time cpu sleeping\n", QEMU_ARCH_ALL)
" or disable real time cpu sleeping, and optionally enable\n" \
" record-and-replay mode\n", QEMU_ARCH_ALL)
SRST
``-icount [shift=N|auto][,rr=record|replay,rrfile=filename,rrsnapshot=snapshot]``
``-icount [shift=N|auto][,align=on|off][,sleep=on|off][,rr=record|replay,rrfile=filename[,rrsnapshot=snapshot]]``
Enable virtual instruction counter. The virtual cpu will execute one
instruction every 2^N ns of virtual time. If ``auto`` is specified
then the virtual cpu speed will be automatically adjusted to keep
virtual time within a few seconds of real time.
When the virtual cpu is sleeping, the virtual time will advance at
default speed unless ``sleep=on|off`` is specified. With
``sleep=on|off``, the virtual time will jump to the next timer
deadline instantly whenever the virtual cpu goes to sleep mode and
will not advance if no timer is enabled. This behavior give
deterministic execution times from the guest point of view.
Note that while this option can give deterministic behavior, it does
not provide cycle accurate emulation. Modern CPUs contain
superscalar out of order cores with complex cache hierarchies. The
number of instructions executed often has little or no correlation
with actual performance.
When the virtual cpu is sleeping, the virtual time will advance at
default speed unless ``sleep=on`` is specified. With
``sleep=on``, the virtual time will jump to the next timer
deadline instantly whenever the virtual cpu goes to sleep mode and
will not advance if no timer is enabled. This behavior gives
deterministic execution times from the guest point of view.
The default if icount is enabled is ``sleep=off``.
``sleep=on`` cannot be used together with either ``shift=auto``
or ``align=on``.
``align=on`` will activate the delay algorithm which will try to
synchronise the host clock and the virtual clock. The goal is to
have a guest running at the real frequency imposed by the shift
@ -3991,15 +3995,17 @@ SRST
``shift`` is ``auto``. Note: The sync algorithm will work for those
shift values for which the guest clock runs ahead of the host clock.
Typically this happens when the shift value is high (how high
depends on the host machine).
depends on the host machine). The default if icount is enabled
is ``align=off``.
When ``rr`` option is specified deterministic record/replay is
enabled. Replay log is written into filename file in record mode and
read from this file in replay mode.
Option rrsnapshot is used to create new vm snapshot named snapshot
at the start of execution recording. In replay mode this option is
used to load the initial VM state.
When the ``rr`` option is specified deterministic record/replay is
enabled. The ``rrfile=`` option must also be provided to
specify the path to the replay log. In record mode data is written
to this file, and in replay mode it is read back.
If the ``rrsnapshot`` option is given then it specifies a VM snapshot
name. In record mode, a new VM snapshot with the given name is created
at the start of execution recording. In replay mode this option
specifies the snapshot name used to load the initial VM state.
ERST
DEF("watchdog", HAS_ARG, QEMU_OPTION_watchdog, \

6
target/i386/trace-events
View File

@ -8,11 +8,11 @@ kvm_x86_update_msi_routes(int num) "Updated %d MSI routes"
# sev.c
kvm_sev_init(void) ""
kvm_memcrypt_register_region(void *addr, size_t len) "addr %p len 0x%zu"
kvm_memcrypt_unregister_region(void *addr, size_t len) "addr %p len 0x%zu"
kvm_memcrypt_register_region(void *addr, size_t len) "addr %p len 0x%zx"
kvm_memcrypt_unregister_region(void *addr, size_t len) "addr %p len 0x%zx"
kvm_sev_change_state(const char *old, const char *new) "%s -> %s"
kvm_sev_launch_start(int policy, void *session, void *pdh) "policy 0x%x session %p pdh %p"
kvm_sev_launch_update_data(void *addr, uint64_t len) "addr %p len 0x%" PRIu64
kvm_sev_launch_update_data(void *addr, uint64_t len) "addr %p len 0x%" PRIx64
kvm_sev_launch_measurement(const char *value) "data %s"
kvm_sev_launch_finish(void) ""
kvm_sev_launch_secret(uint64_t hpa, uint64_t hva, uint64_t secret, int len) "hpa 0x%" PRIx64 " hva 0x%" PRIx64 " data 0x%" PRIx64 " len %d"