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author | Peter Maydell | 2015-06-22 12:50:07 +0200 |
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committer | Peter Maydell | 2015-06-22 12:50:08 +0200 |
commit | cb4e0f9ddf7d45de7e4716cbab661ea568bd0b6c (patch) | |
tree | 0d733527bb76eede5c0c0dfd8bfbee8bd539c0e5 /hw | |
parent | target-microblaze: Remove dead code (diff) | |
parent | exec: clamp accesses against the MemoryRegionSection (diff) | |
download | qemu-cb4e0f9ddf7d45de7e4716cbab661ea568bd0b6c.tar.gz qemu-cb4e0f9ddf7d45de7e4716cbab661ea568bd0b6c.tar.xz qemu-cb4e0f9ddf7d45de7e4716cbab661ea568bd0b6c.zip |
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* i8254 security fix
* Avoid long 100% CPU wait after restarting guests that use the periodic timer
* Fixes for access clamping (WinXP, MIPS)
* wixl/.msi support for qemu-ga on Windows
# gpg: Signature made Fri Jun 19 11:30:53 2015 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain 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
* remotes/bonzini/tags/for-upstream:
exec: clamp accesses against the MemoryRegionSection
exec: do not clamp accesses to MMIO regions
mc146818rtc: Reset the periodic timer on load
qemu-timer: Call clock reset notifiers on forward jumps
tests: virtio-scsi: Add test for unaligned WRITE SAME
tests: virtio-scsi: Move start/stop to individual test functions
libqos: Complete virtio device ID definition list
libqos: Allow calling guest_free on NULL pointer
tests: Link libqos virtio object to virtio-scsi-test
i8254: fix out-of-bounds memory access in pit_ioport_read()
qemu-ga: Building Windows MSI installation with configure/Makefile
qemu-ga: Introduce Windows MSI script
qemu-ga: debug printouts to help troubleshoot installation
qemu-ga: adding vss-[un]install options
qemu-log: Open file for logging when specified
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/timer/i8254.c | 6 | ||||
-rw-r--r-- | hw/timer/mc146818rtc.c | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/hw/timer/i8254.c b/hw/timer/i8254.c index 3450c98637..9b65a33692 100644 --- a/hw/timer/i8254.c +++ b/hw/timer/i8254.c @@ -196,6 +196,12 @@ static uint64_t pit_ioport_read(void *opaque, hwaddr addr, PITChannelState *s; addr &= 3; + + if (addr == 3) { + /* Mode/Command register is write only, read is ignored */ + return 0; + } + s = &pit->channels[addr]; if (s->status_latched) { s->status_latched = 0; diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c index 32048258c9..2e3ffc8c07 100644 --- a/hw/timer/mc146818rtc.c +++ b/hw/timer/mc146818rtc.c @@ -723,6 +723,12 @@ static int rtc_post_load(void *opaque, int version_id) check_update_timer(s); } + uint64_t now = qemu_clock_get_ns(rtc_clock); + if (now < s->next_periodic_time || + now > (s->next_periodic_time + get_max_clock_jump())) { + periodic_timer_update(s, qemu_clock_get_ns(rtc_clock)); + } + #ifdef TARGET_I386 if (version_id >= 2) { if (s->lost_tick_policy == LOST_TICK_POLICY_SLEW) { |