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change all other clock references to use nanosecond resolution accessors
This was done with:
sed -i 's/qemu_get_clock\>/qemu_get_clock_ns/' \ $(git grep -l 'qemu_get_clock\>' ) sed -i 's/qemu_new_timer\>/qemu_new_timer_ns/' \ $(git grep -l 'qemu_new_timer\>' )...
serial: refactor device creation
Turn serial_init into an inline function.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Keep track of ISA ports ISA device is using in qdev.
Store all io ports used by device in ISADevice structure.
Signed-off-by: Gleb Natapov <gleb@redhat.com>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Add endianness as io mem parameter
As stated before, devices can be little, big or native endian. Thetarget endianness is not of their concern, so we need to push thingsdown a level.
This patch adds a parameter to cpu_register_io_memory that allows adevice to choose its endianness. For now, all devices simply choose...
serial: Update parameters after load
This is the patch to update serial port parameters after guest isalready loaded.
Signed-off-by: Michal Novotny <minovotn@redhat.com>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Remove wrong semicolon in macro definition
Macros normally should not end with a semicolon,otherwise their usage results in two statementswhere only one statement was expected.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
serial: Wrap debug prints around a DPRINTF macro
savevm: Add DeviceState param
When available, we'd like to be able to access the DeviceStatewhen registering a savevm. For buses with a get_dev_path()function, this will allow us to create more unique savevmid strings.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>...
blockdev: Collect block device code in new blockdev.c
Anything that moves hundreds of lines out of vl.c can't be all bad.
Signed-off-by: Markus Armbruster <armbru@redhat.com>Signed-off-by: Kevin Wolf <kwolf@redhat.com>
serial: Register vmstate via qdev
At least for isa-serial, we can already let qdev do the vmstateregistration for us. It just takes wrapping vmstate for theencapsulating ISASerialState and defining the proper instance IDaliases.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>...
Compile serial only once
Push TARGET_WORDS_BIGENDIAN dependency to board level.
hw/serial.c: fix THRE interrupt clearing
UART_IIR_THRI is not a mask, but a possible value for the IIR ID.Use UART_IIR_ID to extract this value.
Broken by commit 71e605f80313a632cc6714cde7bd240042dbdd95.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
hw/serial.c: fix indentation
Fix lost serial TX interrupts. Report receive overruns.
o Implement receive overrun status. The FreeBSD uart driver relies on this status in it's probe routine to determine the size of the FIFO supported. o As per the 16550 spec, do not overwrite the RX FIFO on an RX overrun....
Fix qdev property type definition for isa serial/parallel devices
Use the correct qdev property type for these devices.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
serial: Add interface to set reference oscillator frequency
Many (most?) serial interfaces have a programmableclock which provides the reference frequency ("baudbase").So a fixed baudbase which is only set once can be wrong.
omap1.c is an example which could use the new interface...
v3: don't call reset functions on cpu initialization
There is absolutely no need to call reset functions when initializingdevices. Since we are already registering them, calling qemu_system_reset()should suffice. Actually, it is what happens when we reboot the machine,...
serial: Add missing bit
Serial frames always start with a start bit.This bit was missing in frame size calculation.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
serial: use post_load version_id field and remove pre_load function
Signed-off-by: Juan Quintela <quintela@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
isa: configure serial+parallel by index.
This patch adds a 'index' property to the isa-parallel and isa-serialdevices. This can be used to create devices with the default isa irqsand ioports by simply specifying the index, i.e.
-device isa-serial,index=1...
Clean up test for qdev_init() failure
Some callers test for != 0, some for < 0. Normalize to < 0.
Patchworks-ID: 35171Signed-off-by: Markus Armbruster <armbru@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
serial: convert isa to qdev
Everything using standard isa I/O ports and IRQ windup is considerdbeing an actual isa device. That are all serial_init() users exceptmips_mipssim() which seems to have a non-standard IRQ windup.
baud rate is fixed at 115200 now as no caller passed in something else....
vmstate: remove const from pre_save() functions
vmstate: add version_id argument to post_load
Revert "Get rid of _t suffix"
In the very least, a change like this requires discussion on the list.
The naming convention is goofy and it causes a massive merge problem. Somethinglike this must be presented on the list first so people can provide input...
Get rid of _t suffix
Some not so obvious bits, slirp and Xen were left alone for the timebeing.
Signed-off-by: malc <av1474@comtv.ru>
Use proper typedef syntax
Why this ever compiled is a mistery to me.
Signed-off-by: Juan Quintela <quintela@redhat.com>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
qemu serial: lost tx irqs (affecting FreeBSD's new uart(4) driver)
Well one problem seems to be the rx condition, ... if ((s->ier & UART_IER_RDI) && (s->lsr & UART_LSR_DR))is not enough to trigger an irq, yet still causes the followingconditions not to be checked anymore at all....
hw/serial: don't create a char device if none is specified
When creating null devices, there is no way to ensure the unicity ofthe labels. Bail out with an error message instead.
vmstate: port serial device
Unexport ticks_per_sec variable. Create get_ticks_per_sec() function
Make CPURead/WriteFunc structure 'const'
PPC: clean up ppc405
Rely on the subpage system instead of the local version.Make most functions "static".Fix wrong parameter passed to ppc4xx_pob_reset.
Revert "Introduce reset notifier order"
This reverts commit 8217606e6edb49591b4a6fd5a0d1229cebe470a9 (andupdates later added users of qemu_register_reset), we solved theproblem it originally addressed less invasively.
Remove io_index argument from cpu_register_io_memory()
The parameter is always zero except when registering the three internalio regions (ROM, unassigned, notdirty). Remove the parameter to reducethe API's power, thus facilitating future change.
Signed-off-by: Avi Kivity <avi@redhat.com>...
serial: fix lost character after sysrq
After creating an automated regression test to test the sysrqresponses while running a linux image in qemu, I found that thesimulated uart was eating the character right after the sysrq about75% of the time.
The problem is that the qemu sets the LSR_DR (data ready) bit on a...
Introduce reset notifier order
Add the parameter 'order' to qemu_register_reset and sort callbacks onregistration. On system reset, callbacks with lower order will beinvoked before those with higher order. Update all existing users to thestandard order 0....
hw: remove error handling from qemu_malloc() callers (Avi Kivity)
Signed-off-by: Avi Kivity <avi@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6529 c046a42c-6fe2-441c-8c8c-71466251a162
serial: open a null device if the CharDriverState argument is null
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6366 c046a42c-6fe2-441c-8c8c-71466251a162
Change MMIO callbacks to use offsets, not absolute addresses.
Signed-off-by: Paul Brook <paul@codesourcery.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5849 c046a42c-6fe2-441c-8c8c-71466251a162
Add a comment about masking of CTI interrupt in 16550A UART.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5264 c046a42c-6fe2-441c-8c8c-71466251a162
16550A UART: RHR irq enable bit also masks the Rx timeout irq.
The "Rx timeout" (aka. Character Timeout Indication) has no separate maskbit in the IER register and according to the specs reading RHR is the onlyway to reset the irq. However on the hardware (tested on OMAP2 UART which...
serial: Always update iir, even when ier is empty (Samuel Thibault)
This fixes installation of Windows XP.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4995 c046a42c-6fe2-441c-8c8c-71466251a162
Upgrade emulated UART to 16550A (Stefano Stabellini)
This patch upgrades the emulated UART to 16550A, the code comes fromxen-unstable. The main improvement was introduced with the following patch andsubsequent email thread:
http://lists.xensource.com/archives/html/xen-devel/2007-12/msg00129.html...
8250: Customized base baudrate
(Jan Kiszka)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4336 c046a42c-6fe2-441c-8c8c-71466251a162
8250: throttle TX-completion IRQs
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4335 c046a42c-6fe2-441c-8c8c-71466251a162
Add serial loopback mode (patch from Hervé Poussineau).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3973 c046a42c-6fe2-441c-8c8c-71466251a162
Add input buffer to mux chr (patch by Tristan Gingold).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3735 c046a42c-6fe2-441c-8c8c-71466251a162
Break up vl.h.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3674 c046a42c-6fe2-441c-8c8c-71466251a162
find -type f | xargs sed -i 's/[\t ]*$//g' # Yes, again. Note the star in the regex.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3177 c046a42c-6fe2-441c-8c8c-71466251a162
find -type f | xargs sed -i 's/[\t ]$//g' # on most files
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
Fix incorrect target_ulong use in hw devices
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2962 c046a42c-6fe2-441c-8c8c-71466251a162
Big endian byte swap for serial mmapped interface.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2946 c046a42c-6fe2-441c-8c8c-71466251a162
Unify IRQ handling.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2635 c046a42c-6fe2-441c-8c8c-71466251a162
Malta CBUS UART support.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2557 c046a42c-6fe2-441c-8c8c-71466251a162
Rearrange char event handlers to fix CHR_EVENT_RESET.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2361 c046a42c-6fe2-441c-8c8c-71466251a162
16 bit divider
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2138 c046a42c-6fe2-441c-8c8c-71466251a162
simulate a null modem cable
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1808 c046a42c-6fe2-441c-8c8c-71466251a162
more generic serial port (initial patch by Jocelyn Mayer)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1654 c046a42c-6fe2-441c-8c8c-71466251a162
char dev ioctls
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1610 c046a42c-6fe2-441c-8c8c-71466251a162
use host serial port
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1609 c046a42c-6fe2-441c-8c8c-71466251a162
serial load/save VM support (Vincent Pelletier)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1602 c046a42c-6fe2-441c-8c8c-71466251a162
serial interrupt fix (Hampa Hug)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1049 c046a42c-6fe2-441c-8c8c-71466251a162
char device support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1023 c046a42c-6fe2-441c-8c8c-71466251a162
fix the no device case
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@715 c046a42c-6fe2-441c-8c8c-71466251a162
win32 port (initial patch by kazu)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@692 c046a42c-6fe2-441c-8c8c-71466251a162
use new timer API
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@689 c046a42c-6fe2-441c-8c8c-71466251a162
io port API change
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@664 c046a42c-6fe2-441c-8c8c-71466251a162
separated more devices from emulator
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@656 c046a42c-6fe2-441c-8c8c-71466251a162