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adding Irix (and, to a lesser extent, Solaris) userland emulation to QEMU
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Brad Smith 0c70b5ad59 configure: Don't fall back to gthread coroutine backend 
This is a back port of 7c2acc7062 to the
1.4 stable branch without needing the new error_exit() function.

configure: Don't fall back to gthread coroutine backend

The gthread coroutine backend is broken and does not produce a working
QEMU; it is only useful for some very limited debugging situations.
Clean up the backend selection logic in configure so that it now runs
"if on windows use windows; else prefer ucontext; else sigaltstack".

To do this we refactor the configure code to separate out "test
whether we have a working ucontext", "pick a default if user didn't
specify" and "validate that user didn't specify something invalid",
rather than having all three of these run together. We also simplify
the Makefile logic so it just links in the backend the configure
script selects.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1365419487-19867-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
 		2013-05-16 14:35:48 -05:00
QMP
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audio audio: Replace non-portable asprintf in debug code by g_strdup_printf 2013-01-16 12:03:26 -06:00
backends rng random backend: check for -EAGAIN errors on read 2013-05-13 11:50:35 -05:00
block nbd: unlock mutex in nbd_co_send_request() error path 2013-05-13 11:47:07 -05:00
bsd-user linux-user: bsd-user: Don't reset X86CPU twice 2013-02-01 01:35:43 +01:00
default-configs Add TEWS TPCI200 IndustryPack emulation 2013-01-14 13:26:12 -06:00
disas build: remove universal-obj-y 2013-01-26 13:15:35 +00:00
docs trace: Fix location of simpletrace.py in docs 2013-02-05 21:52:55 +01:00
fpu softfloat: Handle float_muladd_negate_c when product is zero 2013-01-26 13:22:09 +00:00
fsdev virtfs-proxy-helper: Fix unchecked strdup() by conv. to g_strdup() 2013-01-30 11:14:46 +01:00
gdb-xml
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hw usb-redir: Fix crash on migration with no client connected 2013-05-16 12:06:36 -05:00
include Handle CPU interrupts by inline checking of a flag 2013-05-14 15:48:21 -05:00
ldscripts build: create ldscripts/ 2012-12-19 08:29:06 +01:00
libcacard libcacard: Fix unchecked strdup() by converting to g_strdup() 2013-01-30 11:14:46 +01:00
linux-headers Update Linux kernel headers 2013-01-18 19:06:57 +01:00
linux-user linux-user/syscall.c: Don't warn about unimplemented get_robust_list 2013-04-02 16:28:53 -05:00
net tap: properly initialize vhostfds 2013-05-13 11:52:06 -05:00
pc-bios update seabios to 1.7.2.1 2013-04-02 16:34:06 -05:00
pixman@97336fad32 qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
qapi qapi: Fix unchecked strdup() by converting to g_strdup() 2013-01-30 11:14:46 +01:00
qga qga: unlink just created guest-file if fchmod() or fdopen() fails on it 2013-05-14 16:18:25 -05:00
qobject build: move qobject files to qobject/ and libqemuutil.a 2013-01-12 18:42:50 +01:00
qom qom: remove object_delete 2013-02-01 15:53:11 -06:00
roms update seabios to 1.7.2.1 2013-04-02 16:34:06 -05:00
scripts Merge remote-tracking branch 'qemu-kvm/uq/master' into staging 2013-01-29 16:57:41 -06:00
slirp oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock() 2013-04-04 15:17:32 -05:00
stubs stubs: fully replace qemu-tool.c and qemu-user.c 2013-01-12 17:19:08 +01:00
sysconfigs/target
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target-alpha target-alpha: Catch attempt to instantiate abstract type in cpu_init() 2013-01-27 23:33:34 +01:00
target-arm target-arm: Rename CPU types 2013-01-30 16:03:57 +00:00
target-cris target-cris: Build fix for debug output 2013-02-04 16:12:57 +01:00
target-i386 target-i386: Check for host features before filter_features_for_kvm() 2013-04-05 14:01:33 -05:00
target-lm32 cpu: Move cpu_index field to CPUState 2013-01-15 04:09:13 +01:00
target-m68k target-m68k: Fix comment 2013-02-06 15:52:07 +01:00
target-microblaze target-microblaze: Mark as unmigratable 2013-02-01 01:35:21 +01:00
target-mips target-mips: Fix accumulator arguments to gen_helper_dmult(u) 2013-05-14 13:01:34 -05:00
target-openrisc target-openrisc: Rename CPU subtypes 2013-02-01 01:35:43 +01:00
target-ppc target-ppc: Fix CPU_POWERPC_MPC8547E 2013-04-02 11:53:18 -05:00
target-s390x s390: Fix handling of iscs. 2013-02-13 11:56:02 -06:00
target-sh4 target-sh4: Mark as unmigratable 2013-02-01 01:35:22 +01:00
target-sparc cpu: do not use object_delete 2013-02-01 15:53:11 -06:00
target-unicore32 target-unicore32: Rename CPU subtypes 2013-02-01 01:35:43 +01:00
target-xtensa target-xtensa: Mark as unmigratable 2013-02-01 01:35:21 +01:00
tcg Handle CPU interrupts by inline checking of a flag 2013-05-14 15:48:21 -05:00
tests configure: Don't fall back to gthread coroutine backend 2013-05-16 14:35:48 -05:00
trace trace: deal with deprecated glib thread functions 2013-02-12 16:26:44 -06:00
ui oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock() 2013-04-04 15:17:32 -05:00
util Allow clock_gettime() monotonic clock to be utilized on more OS's 2013-04-06 16:38:15 -05:00
.exrc
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.gitignore Add libcacard/trace/generated-tracers.c to .gitignore 2013-01-15 10:34:54 +01:00
.gitmodules pixman: add submodule 2012-11-01 13:10:06 +01:00
.mailmap
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CODING_STYLE
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COPYING
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COPYING.LIB
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Changelog
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HACKING HACKING: List areas where we may rely on impdef C behaviour 2012-12-08 14:27:40 +00:00
LICENSE
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MAINTAINERS prep: Move PReP machine to hw/ppc/ 2013-01-30 10:42:29 +01:00
Makefile build: remove *.lo, *.a, *.la files from all subdirectories on make clean 2013-01-26 13:30:00 +00:00
Makefile.objs configure: Don't fall back to gthread coroutine backend 2013-05-16 14:35:48 -05:00
Makefile.target build: remove universal-obj-y 2013-01-26 13:15:35 +00:00
README
…
TODO
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VERSION update VERSION for 1.4.1 2013-04-15 14:18:25 -05:00
aio-posix.c aio: Fix return value of aio_poll() 2013-01-17 10:51:42 +01:00
aio-win32.c aio: Fix return value of aio_poll() 2013-01-17 10:51:42 +01:00
arch_init.c Allow XBZRLE decoding without enabling the capability 2013-02-01 08:32:21 +01:00
async.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
balloon.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
block-migration.c block-migration: fix pending() and iterate() return values 2013-02-12 16:26:44 -06:00
block.c Revert "block: complete all IOs before .bdrv_truncate" 2013-04-04 17:35:43 -05:00
blockdev-nbd.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
blockdev.c block: complete all IOs before resizing a device 2013-04-04 17:36:43 -05:00
blockjob.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
bt-host.c softmmu: move remaining include files to include/ subdirectories 2012-12-19 08:32:46 +01:00
bt-vhci.c softmmu: move remaining include files to include/ subdirectories 2012-12-19 08:32:46 +01:00
cmd.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
cmd.h
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configure configure: Don't fall back to gthread coroutine backend 2013-05-16 14:35:48 -05:00
coroutine-gthread.c block: move include files to include/block/ 2012-12-19 08:31:31 +01:00
coroutine-sigaltstack.c block: move include files to include/block/ 2012-12-19 08:31:31 +01:00
coroutine-ucontext.c gcc: rename CONFIG_PRAGMA_DISABLE_UNUSED_BUT_SET to CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE 2013-01-12 12:42:53 +00:00
coroutine-win32.c block: move include files to include/block/ 2012-12-19 08:31:31 +01:00
cpu-exec.c Handle CPU interrupts by inline checking of a flag 2013-05-14 15:48:21 -05:00
cpus.c kvm: Pass CPUState to kvm_on_sigbus_vcpu() 2013-01-28 16:57:56 +01:00
cputlb.c exec: move include files to include/exec/ 2012-12-19 08:31:31 +01:00
device_tree.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
disas.c monitor: move include files to include/monitor/ 2012-12-19 08:31:32 +01:00
dma-helpers.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
dump-stub.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
dump.c exec: change RAM list to a TAILQ 2012-12-20 23:08:47 +01:00
exec.c Handle CPU interrupts by inline checking of a flag 2013-05-14 15:48:21 -05:00
gdbstub.c cpu: Move cpu_index field to CPUState 2013-01-15 04:09:13 +01:00
hmp-commands.hx hmp: Disable chardev-add and chardev-remove 2013-02-06 16:35:43 -06:00
hmp.c error: Strip trailing '\n' from error string arguments (again) 2013-02-11 08:13:19 -06:00
hmp.h qemu-char: Saner naming of memchar stuff & doc fixes 2013-02-06 16:35:19 -06:00
iohandler.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
ioport.c exec: move include files to include/exec/ 2012-12-19 08:31:31 +01:00
kvm-all.c kvm: Pass CPUState to kvm_on_sigbus_vcpu() 2013-01-28 16:57:56 +01:00
kvm-stub.c kvm: Pass CPUState to kvm_on_sigbus_vcpu() 2013-01-28 16:57:56 +01:00
main-loop.c Check return values from g_poll and select 2013-01-09 11:03:05 -06:00
memory.c bitops: unify bitops_ffsl with the one in host-utils.h, call it bitops_ctzl 2013-02-02 20:16:00 +00:00
memory_mapping-stub.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
memory_mapping.c exec: change RAM list to a TAILQ 2012-12-20 23:08:47 +01:00
migration-exec.c migration: make writes blocking 2012-12-20 23:09:25 +01:00
migration-fd.c migration: make writes blocking 2012-12-20 23:09:25 +01:00
migration-tcp.c oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock() 2013-04-04 15:17:32 -05:00
migration-unix.c oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock() 2013-04-04 15:17:32 -05:00
migration.c oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock() 2013-04-04 15:17:32 -05:00
monitor.c HMP: add sub command table to info 2013-01-17 10:24:52 -02:00
nbd.c oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock() 2013-04-04 15:17:32 -05:00
os-posix.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
os-win32.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
page_cache.c page_cache: fix memory leak 2013-04-02 15:44:43 -05:00
qapi-schema-test.json
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qapi-schema.json help: add docs for missing 'queues' option of tap 2013-04-05 13:57:17 -05:00
qdict-test-data.txt
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qemu-bridge-helper.c qemu-bridge-helper: force usage of a very high MAC address for the bridge 2013-04-02 11:31:58 -05:00
qemu-char.c chardev: clear O_NONBLOCK on SCM_RIGHTS file descriptors 2013-04-04 15:17:32 -05:00
qemu-coroutine-io.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
qemu-coroutine-lock.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
qemu-coroutine-sleep.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
qemu-coroutine.c block: move include files to include/block/ 2012-12-19 08:31:31 +01:00
qemu-doc.texi Documentation: Update image format information 2012-11-30 11:33:24 +01:00
qemu-img-cmds.hx
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qemu-img.c qemu-img: report size overflow error message 2013-01-02 16:08:56 +01:00
qemu-img.texi Documentation: Update image format information 2012-11-30 11:33:24 +01:00
qemu-io.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
qemu-log.c qemu-log: Plug trivial memory leak in cpu_set_log_filename() 2013-01-30 11:14:46 +01:00
qemu-nbd.c Add -f FMT / --format FMT arg to qemu-nbd 2013-04-09 10:00:20 -05:00
qemu-nbd.texi Add -f FMT / --format FMT arg to qemu-nbd 2013-04-09 10:00:20 -05:00
qemu-options-wrapper.h
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qemu-options.h
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qemu-options.hx docs: Fix generating qemu-doc.html with texinfo 5 2013-05-16 12:04:13 -05:00
qemu-seccomp.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
qemu-tech.texi qemu-tech.texi: update implemented xtensa features list 2012-11-29 13:00:52 -06:00
qemu-timer.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
qemu.sasl
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qmp-commands.hx qmp: netdev_add is like -netdev, not -net, fix documentation 2013-04-02 10:43:46 -05:00
qmp.c softmmu: move remaining include files to include/ subdirectories 2012-12-19 08:32:46 +01:00
qtest.c qtest: Use strtoull() for uint64_t 2013-02-11 13:22:39 -06:00
readline.c readline: Fix unchecked strdup() by converting to g_strdup() 2013-01-30 11:14:46 +01:00
rules.mak rules/mak: make clean should blow away timestamp files 2013-01-30 01:31:08 +02:00
savevm.c migration: make qemu_ftell() public and support writable files 2013-02-12 16:26:44 -06:00
spice-qemu-char.c Merge remote-tracking branch 'bonzini/header-dirs' into staging 2012-12-19 17:15:39 -06:00
tcg-runtime.c
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tci.c exec: move include files to include/exec/ 2012-12-19 08:31:31 +01:00
thread-pool.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
thunk.c exec: move include files to include/exec/ 2012-12-19 08:31:31 +01:00
trace-events scsi: do not call scsi_read_data/scsi_write_data for a canceled request 2013-04-02 10:53:33 -05:00
translate-all.c translate-all.c: Remove cpu_unlink_tb() 2013-05-14 15:48:38 -05:00
translate-all.h exec: move TB handling to translate-all.c 2012-12-16 08:28:41 +00:00
user-exec.c Merge remote-tracking branch 'bonzini/header-dirs' into staging 2012-12-19 17:15:39 -06:00
version.rc
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vl.c vl: Exit unsuccessfully on option argument syntax error 2013-02-11 08:13:19 -06:00
xbzrle.c Move XBZRLE encoding code to a separate file to allow testing 2013-02-01 08:32:20 +01:00
xen-all.c xen: Simplify halting of first CPU 2013-01-15 04:09:14 +01:00
xen-mapcache.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
xen-stub.c exec: move include files to include/exec/ 2012-12-19 08:31:31 +01:00

README 

Read the documentation in qemu-doc.html or on http://wiki.qemu.org

- QEMU team