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Original Xbox Emulator for Windows, macOS, and Linux (Active Development)
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Peter Crosthwaite ae1f36f12b cpus: Don't kick un-realized cpus. 
following a464982499, it's now possible for
there to be attempts to take the BQL before CPUs have been realized in
cases where a machine model inits peripherals before the first CPU.

BQL lock aquisition kicks the first_cpu, leading to a segfault if this
happens pre-realize. Guard the CPU kick routine to perform no action for
a CPU that doesn't exist or doesn't have a thread yet.

There was a fix to this with commit
6b49809c59, but the check there misses
the case where the CPU has been inited and not realized. Strengthen the
check to make sure that the first_cpu has a thread (i.e. it is
realized) before allowing the kick.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-Id: <1427107689-6946-1-git-send-email-peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 		2015-06-21 14:46:20 +10:00
audio ossaudio: check for oss support in oss_audio_init 2013-11-07 12:26:00 +01:00
backends rng-egd: offset the point when repeatedly read from the buffer 2013-11-21 17:39:17 +01:00
block bdrv_open changed 2015-06-21 04:10:41 +10:00
bsd-user *-user: Improve documentation for lock_user function 2013-09-20 20:09:24 +04:00
default-configs Merge tag 'v1.7.0' into xbox17 2015-06-21 00:56:44 +10:00
disas disas/ppc.c: Fix little endian disassembly 2013-09-02 10:06:41 +02:00
docs savevm: Ignore minimum_version_id_old if there is no load_state_old 2014-06-26 14:26:28 -05:00
dtc@bc895d6d09 dtc: add submodule 2013-04-18 13:50:53 +02:00
fpu softfloat: Fix shift128Right for shift counts 64..127 2013-06-10 11:36:12 -05:00
fsdev fsdev: Fix potential memory leak 2013-07-09 13:38:56 -05:00
gdb-xml target-arm: Add AArch64 gdbstub support 2013-09-10 19:11:28 +01:00
gl Removed EGL support for Linux (was untested) 2015-05-15 18:53:05 +02:00
hw dont busywait for surface flip 2015-06-21 11:50:53 +10:00
include Merge tag 'v1.7.2' into xbox 2015-06-21 04:07:41 +10:00
libcacard Merge remote-tracking branch 'stefanha/block' into staging 2013-09-23 11:53:05 -05:00
linux-headers linux-headers: update to 3.12-rc1 2013-09-20 12:38:48 +02:00
linux-user linux-user: Don't overrun guest buffer in sched_getaffinity 2014-07-03 16:31:30 -05:00
net tap: avoid deadlocking rx 2014-06-25 15:17:15 -05:00
pc-bios Update OpenBIOS images 2014-02-21 00:34:41 -06:00
pixman@97336fad32 qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
po po/Makefile: fix $SRC_PATH reference 2014-06-25 17:09:33 -05:00
qapi qapi: fix memleak by adding implict struct functions in dealloc visitor 2013-11-05 19:58:38 -08:00
qga qga: Fix handle fd leak in acquire_privilege() 2014-07-15 19:28:00 -05:00
qobject Merge tag 'v1.7.0' into xbox17 2015-06-21 00:56:44 +10:00
qom qom: Avoid leaking str and bool properties on failure 2014-06-25 15:11:17 -05:00
roms Update OpenBIOS images 2014-02-21 00:34:41 -06:00
scripts Merge tag 'v1.7.2' into xbox 2015-06-21 04:07:41 +10:00
slirp misc: Spelling and grammar fixes in comments 2013-10-26 13:06:45 +04:00
stubs Merge remote-tracking branch 'kiszka/queues/slirp' into staging 2013-09-17 10:01:24 -05:00
sysconfigs/target Eliminate cpus-x86_64.conf file 2012-09-21 15:12:58 +02:00
target-alpha misc: New spelling fixes in comments 2013-10-26 13:01:57 +04:00
target-arm target-arm: Fix errors in writes to generic timer control registers 2014-07-03 16:31:30 -05:00
target-cris tcg: Remove stray semi-colons from target-*/helper.h 2013-10-10 11:43:37 -07:00
target-i386 target-i386: Filter FEAT_7_0_EBX TCG features too 2014-07-15 19:28:01 -05:00
target-lm32 target: Include softmmu_exec.h where forgotten 2013-09-02 09:08:30 -07:00
target-m68k Merge remote-tracking branch 'rth/tcg-pull' into staging 2013-10-11 09:36:52 -07:00
target-microblaze microblaze: At swx, check that the reserved word is unmodified 2013-10-24 22:32:56 +02:00
target-mips target-mips: fix 64-bit FPU config for user-mode emulation 2014-02-20 21:59:18 -06:00
target-moxie cpu: Drop cpu_model_str from CPU_COMMON 2013-10-07 11:48:47 +02:00
target-openrisc target-openrisc: Correct memory bounds checking for the tlb buffers 2013-11-20 21:47:17 +08:00
target-ppc spapr: Use DeviceClass::fw_name for device tree CPU node 2013-10-25 23:25:48 +02:00
target-s390x s390x: empty function stubs in preparation for __KVM_HAVE_GUEST_DEBUG 2014-06-25 16:43:05 -05:00
target-sh4 Merge remote-tracking branch 'rth/tcg-pull' into staging 2013-10-11 09:36:52 -07:00
target-sparc Merge remote-tracking branch 'rth/tcg-pull' into staging 2013-10-11 09:36:52 -07:00
target-unicore32 Merge remote-tracking branch 'rth/tcg-pull' into staging 2013-10-11 09:36:52 -07:00
target-xtensa target-xtensa: fix cross-page jumps/calls at the end of TB 2014-07-03 16:31:29 -05:00
tcg tcg-i386: Fix win64 qemu store 2014-07-03 16:31:30 -05:00
tests qcow1: Stricter backing file length check 2014-07-03 16:31:28 -05:00
trace trace: Add ftrace tracing backend 2013-05-03 13:58:09 +02:00
ui Merge tag 'v1.7.2' into xbox 2015-06-21 04:07:41 +10:00
util qmp: access the local QemuOptsLists for drive option 2013-11-14 13:09:07 +01:00
.exrc qemu: add .exrc 2012-09-07 09:02:44 +03:00
.gitignore .gitignore: ignore qmp-commands.txt 2013-10-26 13:01:57 +04:00
.gitmodules Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
.mailmap Update mailmap 2013-09-05 09:40:31 -05:00
.travis.yml .travis.yml: basic compile and check recipes 2013-11-13 15:48:38 +04:00
CODING_STYLE Replace Qemu by QEMU in internal documentation 2012-04-07 13:58:25 +00:00
COPYING COPYING: update from FSF 2008-10-12 17:54:42 +00:00
COPYING.LIB Update FSF address in GPL/LGPL boilerplate 2009-01-04 22:05:52 +00:00
Changelog Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
HACKING HACKING: Document vaddr type usage 2013-07-23 02:41:31 +02:00
LICENSE LICENSE: clarify 2013-08-12 09:15:12 -05:00
MAINTAINERS MAINTAINERS: add block driver sub-maintainers 2013-11-15 13:37:48 +01:00
Makefile sun4m: Add FCode ROM for TCX framebuffer 2013-11-21 17:38:52 +01:00
Makefile.objs qemu-ga: Add Windows VSS provider and requester as DLL 2013-09-09 14:17:57 -05:00
Makefile.target Merge tag 'v1.7.0' into xbox17 2015-06-21 00:56:44 +10:00
README Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
README.md Update propaganda 2013-02-24 11:59:39 +11:00
VERSION Update VERSION for 1.7.2 release 2014-07-21 17:42:15 -05:00
aio-posix.c aio / timers: Convert aio_poll to use AioContext timers' deadline 2013-08-22 19:10:28 +02:00
aio-win32.c aio-win32: replace incorrect AioHandler->opaque usage with ->e 2013-08-22 22:04:54 +02:00
arch_init.c migration: catch unknown flags in ram_load 2014-07-01 11:11:36 -05:00
async.c aio: fix qemu_bh_schedule() bh->ctx race condition 2014-07-03 16:31:30 -05:00
balloon.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
block-migration.c migration: omit drive ref as we have bdrv_ref now 2013-09-06 15:25:08 +02:00
block.c block: Limit request size (CVE-2014-0143) 2014-07-03 16:18:13 -05:00
blockdev-nbd.c nbd: Shutdown socket before closing. 2014-07-15 19:28:02 -05:00
blockdev.c Merge tag 'v1.7.2' into xbox 2015-06-21 04:07:41 +10:00
blockjob.c qapi: make use of new BlockJobType 2013-10-11 10:52:54 +02:00
bt-host.c sysemu: avoid proliferation of include/ subdirectories 2013-04-15 18:19:25 +02:00
bt-vhci.c sysemu: avoid proliferation of include/ subdirectories 2013-04-15 18:19:25 +02:00
configure Merge tag 'v1.7.2' into xbox 2015-06-21 04:07:41 +10:00
coroutine-gthread.c block: move include files to include/block/ 2012-12-19 08:31:31 +01:00
coroutine-sigaltstack.c Merge remote-tracking branch 'kwolf/for-anthony' into staging 2013-02-26 07:44:39 -06:00
coroutine-ucontext.c Fix warnings suppressors to honor --disable-werror 2013-04-17 10:28:04 -05:00
coroutine-win32.c coroutine-win32.c: Add noinline attribute to work around gcc bug 2014-07-15 19:28:01 -05:00
cpu-exec.c cpu-exec: Also reload CPUClass *cc after longjmp return in cpu_exec() 2013-10-07 11:46:58 +02:00
cpus.c cpus: Don't kick un-realized cpus. 2015-06-21 14:46:20 +10:00
cputlb.c cputlb: Fix regression with TCG interpreter (bug 1310324) 2014-07-03 16:31:29 -05:00
device-hotplug.c hw: move device-hotplug.o to toplevel, compile it once 2013-03-01 13:57:13 +01:00
device_tree.c device_tree: Add qemu_devtree_setprop_sized_cells() utility functions 2013-07-19 12:58:46 +01:00
disas.c disas: Implement fallback to dump object code as hex 2013-08-24 07:26:45 +02:00
dma-helpers.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
dump.c dump-guest-memory: Check for the correct return value 2013-10-25 23:25:48 +02:00
exec.c memory: fix limiting of translation at a page boundary 2014-02-21 00:36:00 -06:00
gdbstub.c vl: allow "cont" from panicked state 2013-11-04 15:39:41 +02:00
hmp-commands.hx hmp: add interface hmp_snapshot_delete_blkdev_internal 2013-09-12 10:12:47 +02:00
hmp.c hmp: drop bogus "[not inserted]" 2013-10-17 10:10:14 +02:00
hmp.h hmp: add interface hmp_snapshot_delete_blkdev_internal 2013-09-12 10:12:47 +02:00
iohandler.c iohandler: switch to GPollFD 2013-02-21 16:17:31 -06:00
ioport.c portio: Allow to mark portio lists as coalesced MMIO flushing 2013-10-17 17:24:15 +02:00
kvm-all.c KVM: Fix GSI number space limit 2014-07-15 19:28:01 -05:00
kvm-stub.c kvm irqfd: support direct msimessage to irq translation 2013-09-20 12:37:52 +02:00
main-loop.c Merge tag 'v1.7.0' into xbox17 2015-06-21 00:56:44 +10:00
memory.c Merge tag 'v1.7.2' into xbox 2015-06-21 04:07:41 +10:00
memory_mapping.c cpu: Use QTAILQ for CPU list 2013-09-03 12:25:55 +02:00
migration-exec.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration-fd.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration-rdma.c rdma: bug fixes 2014-07-15 19:28:00 -05:00
migration-tcp.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration-unix.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration.c migration: catch unknown flags in ram_load 2014-07-01 11:11:36 -05:00
monitor.c Merge remote-tracking branch 'agraf/ppc-for-upstream' into staging 2013-10-31 17:01:12 +01:00
nbd.c nbd: Don't validate from and len in NBD_CMD_DISC. 2014-07-15 19:28:01 -05:00
os-posix.c Add option to mlock qemu and guest memory 2013-04-22 08:52:23 -05:00
os-win32.c qemu-timer: move timeBeginPeriod/timeEndPeriod to os-win32 2013-04-12 18:27:16 +02:00
page_cache.c remove some double-includes 2013-05-18 16:35:12 +04:00
qapi-schema.json qapi-schema: Update description for NewImageMode 2013-11-14 13:09:06 +01:00
qdev-monitor.c qdev-monitor: Avoid device_add crashing on non-device driver name 2014-02-20 21:59:18 -06:00
qdict-test-data.txt Introduce QDict test data file 2009-09-04 09:37:34 -05:00
qemu-bridge-helper.c qemu-bridge-helper: force usage of a very high MAC address for the bridge 2013-03-28 12:58:52 -05:00
qemu-char.c char: restore read callback on a reattached (hotplug) chardev 2014-06-20 08:19:49 -05:00
qemu-coroutine-io.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
qemu-coroutine-lock.c block: Repair the throttling code. 2013-07-29 17:07:37 +02:00
qemu-coroutine-sleep.c coroutine: add co_aio_sleep_ns() to allow sleep in block drivers 2013-10-30 12:22:09 +01:00
qemu-coroutine.c coroutine: add ./configure --disable-coroutine-pool 2013-09-12 10:12:48 +02:00
qemu-doc.texi doc: we use seabios, not bochs bios 2013-06-28 22:10:34 +04:00
qemu-img-cmds.hx block: Image file option amendment 2013-09-12 10:12:46 +02:00
qemu-img.c qemu-img: Plug memory leak in convert command 2014-07-03 16:31:29 -05:00
qemu-img.texi block: Image file option amendment 2013-09-12 10:12:46 +02:00
qemu-io-cmds.c block/qapi: Human-readable ImageInfoSpecific dump 2013-10-11 10:52:54 +02:00
qemu-io.c qemu-io: Let "open" pass options to block driver 2013-10-11 16:50:02 +02:00
qemu-log.c qemu-log: default to stderr for logging output 2013-02-26 13:31:47 -06:00
qemu-nbd.c nbd: Shutdown socket before closing. 2014-07-15 19:28:02 -05:00
qemu-nbd.texi Add -f FMT / --format FMT arg to qemu-nbd 2013-04-15 14:29:20 -05:00
qemu-options-wrapper.h vl.c: In qemu -h output, only print options for the arch we are running as 2011-12-19 10:27:33 -06:00
qemu-options.h vl.c: Move option generation logic into a wrapper file 2011-12-19 10:27:33 -06:00
qemu-options.hx doc: fix hardcoded helper path 2013-11-18 13:45:10 +02:00
qemu-seccomp.c seccomp: exit if seccomp_init() fails 2014-02-21 00:34:40 -06:00
qemu-tech.texi qemu-tech.texi: update implemented xtensa features list 2012-11-29 13:00:52 -06:00
qemu-timer.c timer: add timer_mod_anticipate and timer_mod_anticipate_ns 2013-10-17 17:31:00 +02:00
qemu.nsi nsis: Improved support for parallel installation of 32 and 64 bit code 2013-11-07 07:02:44 +01:00
qemu.sasl Fix command example in qemu.sasl 2013-07-19 12:52:03 +04:00
qmp-commands.hx blockdev: 'blockdev-add' QMP command 2013-10-11 16:50:01 +02:00
qmp.c QMP: Add cpu-add command 2013-05-01 13:06:07 +02:00
qtest.c qtest: Fix FMT_timeval vs time_t 2013-09-02 09:08:29 -07:00
readline.c monitor: avoid use of global *cur_mon in readline_completion() 2013-08-30 07:41:14 -04:00
rules.mak rules.mak: New string testing functions 2013-10-16 18:21:00 +02:00
savevm.c savevm: Ignore minimum_version_id_old if there is no load_state_old 2014-06-26 14:26:28 -05:00
spice-qemu-char.c qemu-char: don't issue CHR_EVENT_OPEN in a BH 2013-06-10 11:38:37 -05:00
tcg-runtime.c tcg: Implement multiword multiply helpers 2013-02-23 17:25:28 +00:00
tci.c misc: Use new rotate functions 2013-09-25 21:23:05 +02:00
thread-pool.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
thunk.c exec: move include files to include/exec/ 2012-12-19 08:31:31 +01:00
tpm.c tpm.c: Don't try to put -1 in a variable of type TpmModel 2013-07-29 10:37:10 -05:00
trace-events megasas: Implement LD_LIST_QUERY 2014-06-25 16:02:25 -05:00
translate-all.c split definitions for exec.c and translate-all.c radix trees 2014-02-20 21:59:18 -06:00
translate-all.h split definitions for exec.c and translate-all.c radix trees 2014-02-20 21:59:18 -06:00
user-exec.c linux-user: fix segmentation fault passing with h2g(x) != x 2013-07-23 17:28:28 +03:00
version.rc Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
vl.c Merge tag 'v1.7.2' into xbox 2015-06-21 04:07:41 +10:00
xbzrle.c Move XBZRLE encoding code to a separate file to allow testing 2013-02-01 08:32:20 +01:00
xen-all.c qemu/xen: make use of xenstore relative paths 2013-10-10 14:25:52 +00:00
xen-mapcache.c hw: move headers to include/ 2013-04-08 18:13:10 +02:00
xen-stub.c pc: Initializing ram_memory under Xen. 2013-09-09 16:22:19 +00:00

README.md

It boots Cromwell!

Cromwell Screenshot

And now the bios, for the most part!

Bios Screenshot