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portio: Allow to mark portio lists as coalesced MMIO flushing
This will enable us to remove all remaining explicit calls ofqemu_flush_coalesced_mmio_buffer in IO handlers.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
memory: Provide separate handling of unassigned io ports accesses
Accesses to unassigned io ports shall return -1 on read and be ignoredon write. Ensure these properties via dedicated ops, decoupling us fromthe memory core's handling of unassigned accesses....
Revert "ioport: remove LITTLE_ENDIAN mark for portio"
This reverts commit c3cb8e77804313e1be99b5f28a34a346736707a5.
The scenario where I/O ports are accessed with DEVICE_LITTLE_ENDIANendianness now works and will soon be unit tested. Since the PortioList...
ioport: remove LITTLE_ENDIAN mark for portio
Setting it to LE forces a byte swap when host != guest endian butthis makes no sense at all.
Herve made the suggestion upon observing that word writes/readswere broken into byte writes/reads in such a way as to assume...
piolist: add owner argument to initialization functions and pass devices
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
ioport: Switch dispatching to memory core layer
The current ioport dispatcher is a complex beast, mostly due to theneed to deal with old portio interface users. But we can overcome itwithout converting all portio users by embedding the required baseaddress of a MemoryRegionPortio access into that data structure. That...
ioport: Remove unused old dispatching services
Remove unused ioport_register and isa_unassign_ioport along witheverything that only those services used.
memory: add owner argument to initialization functions
Privatize register_ioport_read/write
No more users outside of ioport.c.
isa: implement isa_is_ioport_assigned via memory_region_find
Open-code isa_is_ioport_assigned via a memory region lookup. As all IOports are now directly or indirectly registered via the memory API, thisbecomes possible and will finally allow us to drop the ioport tables....
exec: move include files to include/exec/
ioport: use INT64_MAX for IO ranges
Expression UINT64_MAX + 1 will make the range bigger thanwhat can be represented with a 64 bit type. This wouldtrigger an assert in int128_get64() after the next patch.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>...
ioport: add destructor method to IORange
Previously all callers had a containing object with a destructor thatcould be used to trigger cleanup of the IORange objects (typicallyjust freeing the containing object), but a forthcoming memory APIchange doesn't fit this pattern. Rather than setting up a new global...
ioport: change portio_list not to use memory_region_set_offset()
memory_region_set_offset() will be going away soon, so don't use it.Use an alias instead.
Signed-off-by: Avi Kivity <avi@redhat.com>Reviewed-by: Richard Henderson <rth@twiddle.net>
Introduce PortioList
Add a type and methods for manipulating a list of disjoint I/O ports,used in some older hardware devices.
Based on original patch by Richard Henderson.
Signed-off-by: Richard Henderson <rth@twiddle.net>Signed-off-by: Avi Kivity <avi@redhat.com>
ioport: register ranges by byte aligned addresses always
The I/O port space is byte addressable, even for word and long accesses.
An example is the VMware svga card, which has long ports on offsets 0,1, and 2.
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>...
report serial devices created with -device in the PIIX4 config space
Serial and parallel devices created with -device are not reported inthe PIIX4 configuration space, and are hence not picked up by the DSDT.This upsets Windows, which hides them altogether from the guest....
ioport: Improve error output
When failing due to conflicting I/O port registrations,include the offending I/O port address in the message.
Cc: Aurelien Jarno <aurelien@aurel32.net>Signed-off-by: Andreas Färber <andreas.faerber@web.de>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Type-safe ioport callbacks
The current ioport callbacks are not type-safe, in that they accept an "opaque" pointer as an argument whose type must match the argument to the registrationfunction; this is not checked by the compiler.
This patch adds an alternative that is type-safe. Instead of an opaque...
trace: Trace port IO
Signed-off-by: Prerna Saxena
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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>
ioports: remove unused env parameter and compile only once
The CPU state parameter is not used, remove it and adjust callers. Now wecan compile ioport.c once for all targets.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Make ioport default tables const
Unbreak large mem support by removing kqemu
kqemu introduces a number of restrictions on the i386 target. The worst is thatit prevents large memory from working in the default build.
Furthermore, kqemu is fundamentally flawed in a number of ways. It relies on...
ioport: use uint{32, 16, 8}_t for ioport value and pio_addr_t for ioport address.
Using int for cpu_{in, out}[bwl] is inconsistent with other partbecause for address or value, uintN_t is used by other qemu part.At least, softmmu, CPU{Read, Write}MemoryFunc, pci, target_phys_addr_t...
ioport: remove some #ifdef DEBUG_UNUSED_IOPORT.
remove some #ifdef DEBUG_UNUSED_IOPORT in ioport.cand use PRIx32 where appropriate
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>Cc: Anthony Liguori <anthony@codemonkey.ws>Cc: Paolo Bonzini <pbonzini@redhat.com>...
use constant IOPORTS_MASK instead of 0xffff.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
ioport: consolidate duplicated logic in register_ioport_{read, write}().
split out ioport related stuffs from vl.c into ioport.c.