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Peter Maydell 2ebcebe262 target-arm: avoid undefined behaviour when writing TTBCR 
LPAE CPUs have more potentially valid bits in the TTBCR, and so the
simple masking out of invalid bits is no longer sufficient to obtain
the base address width field of the register, which is what we use to
precalculate c2_mask and c2_base_mask.  Explicitly extract the
relevant register field rather than simply shifting by the register
value.

This bug would have had no ill effects in practice, since if the
EAE bit (TTBCR bit 31) is set then we don't use the precalculated
masks, and if EAE is zero then bits 30..3 are all UNK/SBZP, so
well-behaved guests won't set them. However the shift is undefined
behaviour, so we should avoid it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1372347527-4428-1-git-send-email-peter.maydell@linaro.org
2013-07-15 17:13:51 +01:00
audio audio: Replace static functions in header file by macros, remove GCC_ATTR 2013-06-21 22:52:50 +04:00
backends rng-random: use error_setg_file_open() 2013-06-17 11:01:14 -04:00
block curl: refuse to open URL from HTTP server without range support 2013-07-05 09:40:18 +02:00
bsd-user bsd-user: Change thread_env to CPUState 2013-07-09 21:33:01 +02:00
default-configs pseries: move interrupt controllers to hw/intc/ 2013-07-11 18:51:23 +02:00
disas tcg-arm: Implement division instructions 2013-04-27 02:16:44 +02:00
docs add a header file for atomic operations 2013-07-04 17:42:49 +02:00
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
hw PPC: dbdma: Support more multi-issue DMA requests 2013-07-11 18:51:25 +02:00
include PPC: dbdma: Support unaligned DMA access 2013-07-11 18:51:25 +02:00
ldscripts build: create ldscripts/ 2012-12-19 08:29:06 +01:00
libcacard libcacard: Fix cppcheck warning and remove unneeded code 2013-06-21 22:52:50 +04:00
linux-headers linux-headers: Update to v3.10-rc5 2013-06-12 13:19:10 +04:00
linux-user QOM CPUState refactorings 2013-07-10 10:54:16 -05:00
net fix -net user checks by reordering checks 2013-06-19 12:44:38 +02:00
pc-bios multiboot: Updated ROM binary 2013-06-28 14:01:52 -05:00
pixman@97336fad32 qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
po po/hu.po: Hungarian translation for the GTK+ interface 2013-06-03 08:39:11 -05:00
qapi qapi: Fix unchecked strdup() by converting to g_strdup() 2013-01-30 11:14:46 +01:00
qga qga: save state directory in ga_install_service() 2013-05-30 11:37:37 -05:00
QMP correct RTC_CHANGE_EVENT description (v2) 2013-06-07 17:01:00 -04:00
qobject json-parser: fix handling of large whole number values 2013-05-23 09:44:20 -04:00
qom QOM CPUState refactorings 2013-07-10 10:54:16 -05:00
roms update seabios to release 1.7.2.2 2013-05-28 12:19:02 +02:00
scripts qapi.py: Allow top-level type reference for command definitions 2013-07-10 13:39:37 -04:00
slirp make user networking hostfwd work with restrict=y 2013-06-19 12:44:38 +02:00
stubs cpu: Change qemu_init_vcpu() argument to CPUState 2013-06-28 13:25:13 +02:00
sysconfigs/target Eliminate cpus-x86_64.conf file 2012-09-21 15:12:58 +02:00
target-alpha target-alpha: Change gen_intermediate_code_internal() argument to AlphaCPU 2013-07-09 21:33:03 +02:00
target-arm target-arm: avoid undefined behaviour when writing TTBCR 2013-07-15 17:13:51 +01:00
target-cris cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-i386 QOM CPUState refactorings 2013-07-10 10:54:16 -05:00
target-lm32 cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-m68k cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-microblaze cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-mips cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-moxie cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-openrisc cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-ppc target-ppc: Add POWER8 v1.0 CPU model 2013-07-11 18:51:23 +02:00
target-s390x cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-sh4 cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-sparc cpu: Move reset logging to CPUState 2013-07-09 21:33:04 +02:00
target-unicore32 target-unicore32: Change gen_intermediate_code_internal() signature 2013-07-09 21:33:04 +02:00
target-xtensa target-xtensa: Change gen_intermediate_code_internal() arg to XtensaCPU 2013-07-09 21:33:04 +02:00
tcg tcg-arm: Implement tcg_register_jit 2013-07-09 07:15:25 -07:00
tests add a header file for atomic operations 2013-07-04 17:42:49 +02:00
trace trace: Add ftrace tracing backend 2013-05-03 13:58:09 +02:00
ui console: Hook QemuConsoles into qom tree 2013-06-28 14:03:22 -05:00
util add timestamp to error_report() 2013-07-10 13:42:09 -04:00
.exrc qemu: add .exrc 2012-09-07 09:02:44 +03:00
.gitignore gitignore: unignore *.patch 2013-06-11 23:45:43 +04:00
.gitmodules dtc: add submodule 2013-04-18 13:50:53 +02:00
.mailmap Add a .mailmap to map pre-git-conversion authors to friendly names 2011-12-12 17:06:21 -06:00
aio-posix.c aio: support G_IO_HUP and G_IO_ERR 2013-02-21 16:17:31 -06:00
aio-win32.c aio: Fix return value of aio_poll() 2013-01-17 10:51:42 +01:00
arch_init.c Graphics: Switch to 800x600x32 as default mode 2013-07-01 01:11:16 +02:00
async.c aio: add a ThreadPool instance to AioContext 2013-03-15 16:07:50 +01:00
balloon.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
block-migration.c migration: run setup callbacks out of big lock 2013-03-11 13:32:01 +01:00
block.c block: fix bdrv_flush() ordering in bdrv_close() 2013-07-05 10:52:23 +02:00
blockdev-nbd.c hw: move headers to include/ 2013-04-08 18:13:10 +02:00
blockdev.c blockdev: add Abort transaction 2013-06-28 09:20:27 +02:00
blockjob.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
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
Changelog fix some common typos 2012-05-14 07:27:24 +02:00
CODING_STYLE Replace Qemu by QEMU in internal documentation 2012-04-07 13:58:25 +00:00
configure configure: Simplify alternate .text segment 2013-07-09 13:13:20 -05:00
COPYING
COPYING.LIB
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 block: move include files to include/block/ 2012-12-19 08:31:31 +01:00
cpu-exec.c log: Change log_cpu_state[_mask]() argument to CPUState 2013-07-09 21:33:04 +02:00
cpus.c cpu: Make first_cpu and next_cpu CPUState 2013-07-09 21:32:54 +02:00
cputlb.c cpu: Make first_cpu and next_cpu CPUState 2013-07-09 21:32:54 +02:00
device-hotplug.c hw: move device-hotplug.o to toplevel, compile it once 2013-03-01 13:57:13 +01:00
device_tree.c vl: Tighten parsing of -machine option phandle_start 2013-07-09 13:38:58 -05:00
disas.c disas: Disassemble all ppc insns for the guest 2013-04-26 23:02:42 +02:00
dma-helpers.c dma: keep a device alive while it has SGLists 2013-07-04 17:42:30 +02:00
dump.c cpu: Make first_cpu and next_cpu CPUState 2013-07-09 21:32:54 +02:00
exec.c QOM CPUState refactorings 2013-07-10 10:54:16 -05:00
gdbstub.c cpu: Make first_cpu and next_cpu CPUState 2013-07-09 21:32:54 +02:00
HACKING osdep, kvm: rename low-level RAM allocation functions 2013-05-14 08:53:31 -05:00
hmp-commands.hx pci: Cleanup configuration for pci-hotplug.c 2013-07-04 10:45:31 +03:00
hmp.c hmp: Make "info block" output more readable 2013-06-28 16:14:39 -04:00
hmp.h Make qemu-io commands available in HMP 2013-06-06 11:27:05 +02:00
iohandler.c iohandler: switch to GPollFD 2013-02-21 16:17:31 -06:00
ioport.c ioport: remove LITTLE_ENDIAN mark for portio 2013-07-12 14:37:47 -05:00
kvm-all.c QOM CPUState refactorings 2013-07-10 10:54:16 -05:00
kvm-stub.c kvm: Change kvm_remove_all_breakpoints() argument to CPUState 2013-07-09 21:20:28 +02:00
LICENSE
main-loop.c main-loop: do not include slirp/slirp.h, use libslirp.h instead 2013-06-12 18:43:08 +04:00
MAINTAINERS tcg: Add myself to general TCG maintainership 2013-07-08 22:03:59 -07:00
Makefile Makefile: pass include directives to dtc via CPPFLAGS, not CFLAGS 2013-06-21 22:52:50 +04:00
Makefile.objs Make qemu-io commands available in HMP 2013-06-06 11:27:05 +02:00
Makefile.target build: do not use TARGET_ARCH 2013-06-14 15:33:10 +01:00
memory.c cpu: Replace cpu_single_env with CPUState current_cpu 2013-07-09 21:20:28 +02:00
memory_mapping.c cpu: Make first_cpu and next_cpu CPUState 2013-07-09 21:32:54 +02:00
migration-exec.c migration: eliminate s->migration_file 2013-03-11 13:32:03 +01:00
migration-fd.c migration: eliminate s->migration_file 2013-03-11 13:32:03 +01:00
migration-tcp.c migration: eliminate s->migration_file 2013-03-11 13:32:03 +01:00
migration-unix.c migration: eliminate s->migration_file 2013-03-11 13:32:03 +01:00
migration.c add a header file for atomic operations 2013-07-04 17:42:49 +02:00
monitor.c cpu: Make first_cpu and next_cpu CPUState 2013-07-09 21:32:54 +02:00
nbd.c nbd: support large NBD requests 2013-05-03 13:05:49 +02:00
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-test.json qapi: add native list coverage for QMP output visitor tests 2013-05-23 09:44:21 -04:00
qapi-schema.json qapi-schema: Use existing type for drive-backup arguments 2013-07-10 13:39:38 -04:00
qdev-monitor.c qdev: Let qdev_prop_parse() pass through Error 2013-05-06 19:40:44 +02:00
qdict-test-data.txt
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 qemu-char: Fix ringbuf option size 2013-07-10 13:39:37 -04:00
qemu-coroutine-io.c rdma: export yield_until_fd_readable() 2013-06-27 02:38:36 +02:00
qemu-coroutine-lock.c coroutine: stop using AioContext in CoQueue 2013-05-24 16:17:56 +02:00
qemu-coroutine-sleep.c misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
qemu-coroutine.c coroutine: stop using AioContext in CoQueue 2013-05-24 16:17:56 +02:00
qemu-doc.texi doc: we use seabios, not bochs bios 2013-06-28 22:10:34 +04:00
qemu-img-cmds.hx qemu-img: Add compare subcommand 2013-02-22 21:21:10 +01:00
qemu-img.c qemu-img: Add missing GCC_FMT_ATTR 2013-06-21 22:52:50 +04:00
qemu-img.texi qemu-img: Add compare subcommand 2013-02-22 21:21:10 +01:00
qemu-io-cmds.c qemu-io: Interface cleanup 2013-06-06 11:27:05 +02:00
qemu-io.c qemu-io: Use the qemu version for -V 2013-06-06 11:27:05 +02:00
qemu-log.c qemu-log: default to stderr for logging output 2013-02-26 13:31:47 -06:00
qemu-nbd.c Add -f FMT / --format FMT arg to qemu-nbd 2013-04-15 14:29:20 -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 add timestamp to error_report() 2013-07-10 13:42:09 -04:00
qemu-seccomp.c seccomp: add the asynchronous I/O syscalls to the whitelist 2013-05-30 11:46:07 -05:00
qemu-tech.texi qemu-tech.texi: update implemented xtensa features list 2012-11-29 13:00:52 -06:00
qemu-timer.c qemu-timer: move timeBeginPeriod/timeEndPeriod to os-win32 2013-04-12 18:27:16 +02:00
qemu.sasl
qmp-commands.hx block: add drive-backup QMP command 2013-06-28 09:20:26 +02:00
qmp.c QMP: Add cpu-add command 2013-05-01 13:06:07 +02:00
qtest.c qtest: Handle addresses and values for {in, out}[bwl] as unsigned 2013-04-22 09:11:50 -05:00
readline.c readline: Handle xterm escape sequences for Home/End keys 2013-05-14 08:53:22 -05:00
README Update README 2011-12-11 17:50:43 -06:00
rules.mak win32: fix compilation again 2013-05-03 12:04:40 -05:00
savevm.c rdma: new QEMUFileOps hooks 2013-06-27 02:38:36 +02:00
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 tci: Make tcg temporaries local to tcg_qemu_tb_exec 2013-04-11 19:58:21 +02:00
thread-pool.c threadpool: drop global thread pool 2013-03-15 16:07:51 +01:00
thunk.c exec: move include files to include/exec/ 2012-12-19 08:31:31 +01:00
tpm.c Move TPM passthrough specific command line options to backend structure 2013-04-23 10:40:40 -05:00
trace-events block: add basic backup support to block driver 2013-06-28 09:20:26 +02:00
translate-all.c cpu: Make first_cpu and next_cpu CPUState 2013-07-09 21:32:54 +02:00
translate-all.h cputlb: Pass CPUState to cpu_unlink_tb() 2013-02-16 14:51:00 +01:00
user-exec.c QOM CPUState refactorings 2013-07-10 10:54:16 -05:00
VERSION Open up 1.6 development 2013-05-20 10:55:18 -05:00
version.rc
vl.c add timestamp to error_report() 2013-07-10 13:42:09 -04:00
xbzrle.c Move XBZRLE encoding code to a separate file to allow testing 2013-02-01 08:32:20 +01:00
xen-all.c memory: add ref/unref calls 2013-07-04 17:42:45 +02:00
xen-mapcache.c hw: move headers to include/ 2013-04-08 18:13:10 +02:00
xen-stub.c Allow use of pc machine type (accel=xen) for Xen HVM domains. 2013-06-25 12:00:48 +00:00

README 

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

- QEMU team