This unifies quite a few duplicate code fragments.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Doing this instead of saving the raw PS_PRIV and TL. This means
that all nucleus mode TBs (TL > 0) can be shared. This fixes a
bug in that we didn't include HS_PRIV in the TB flags, and so could
produce incorrect TB matches for hypervisor state.
The LSU and DMMU states were unused by the translator. Including
them in TB flags meant unnecessary mismatches from tb_find_fast.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
The global is only ever read for one insn; we can just as well
use a load from env instead and generate the same code. This
also allows us to indicate the the associated helpers do not
touch TCG globals.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Quite a few helpers do not modify tcg globals but did not so indicate.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
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Merge remote-tracking branch 'remotes/armbru/tags/pull-include-2016-07-12' into staging
Clean up #include "..." vs <...> and header guards
# gpg: Signature made Tue 12 Jul 2016 15:23:43 BST
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-include-2016-07-12:
cris: Fix broken header guard in hw/cris/boot.h
Clean up decorations and whitespace around header guards
Clean up ill-advised or unusual header guards
libdecnumber: Don't error out on decNumberLocal.h re-inclusion
libdecnumber: Don't fool around with guards to avoid #include
Clean up header guards that don't match their file name
Drop Emacs local variables lists redundant with .dir-locals.el
spapr_pci: Include spapr.h instead of playing games with #error
tcg: Clean up tcg-target.h header guards
linux-user: Fix broken header guard in syscall_defs.h
linux-user: Clean up hostdep.h header guards
linux-user: Clean up target_structs.h header guards
linux-user: Clean up target_signal.h header guards
linux-user: Clean up target_cpu.h header guards
linux-user: Clean up target_syscall.h header guards
target-*: Clean up cpu.h header guards
scripts: New clean-header-guards.pl
Use #include "..." for our own headers, <...> for others
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
decNumberLocal.h errors out when it's included with its header guard
defined. This catches multiple inclusions.
Drop that. Including it multiple times is safe, and the compiler can
do it efficiently.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Some libdecnumber headers avoid including decNumber.h or decContext.h
again by checking their header guards. Don't. Including them
multiple times is safe, and the compiler can do it efficiently.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Header guard symbols should match their file name to make guard
collisions less likely. Offenders found with
scripts/clean-header-guards.pl -vn.
Cleaned up with scripts/clean-header-guards.pl, followed by some
renaming of new guard symbols picked by the script to better ones.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
include/hw/pci-host/spapr.h needs hw/ppc/spapr.h. It checks whether
its header guard is defined, and errors out if it isn't.
Playing games with some other header's guard symbol is not a good
idea. Just include the frackin' header already.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
These use guard symbols like TCG_TARGET_$target.
scripts/clean-header-guards.pl doesn't like them because they don't
match their file name (they should, to make guard collisions less
likely).
Clean them up: use guard symbol $target_TCG_TARGET_H for
tcg/$target/tcg-target.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
These headers all use QEMU_HOSTDEP_H as header guard symbol. Reuse of
the same guard symbol in multiple headers is okay as long as they
cannot be included together.
Since we can avoid guard symbol reuse easily, do so: use guard symbol
$target_HOSTDEP_H for linux-user/host/$target/hostdep.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
These headers all use TARGET_STRUCTS_H as header guard symbol. Reuse
of the same guard symbol in multiple headers is okay as long as they
cannot be included together.
Since we can avoid guard symbol reuse easily, do so: use guard symbol
$target_TARGET_STRUCTS_H for linux-user/$target/target_structs.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
These headers all use TARGET_SIGNAL_H as header guard symbol. Reuse
of the same guard symbol in multiple headers is okay as long as they
cannot be included together.
Since we can avoid guard symbol reuse easily, do so: use guard symbol
$target_TARGET_SIGNAL_H for linux-user/$target/target_signal.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
These headers all use TARGET_CPU_H as header guard symbol. Reuse of
the same guard symbol in multiple headers is okay as long as they
cannot be included together.
Since we can avoid guard symbol reuse easily, do so: use guard symbol
$target_TARGET_CPU_H for linux-user/$target/target_cpu.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Some of them use guard symbol TARGET_SYSCALL_H, but we also have
CRIS_SYSCALL_H, MICROBLAZE_SYSCALLS_H, TILEGX_SYSCALLS_H and
__UC32_SYSCALL_H__. They all upset scripts/clean-header-guards.pl.
Reuse of the same guard symbol TARGET_SYSCALL_H in multiple headers is
okay as long as they cannot be included together. The script can't
tell, so it warns.
The script dislikes the other guard symbols, too. They don't match
their file name (they should, to make guard collisions less likely),
and __UC32_SYSCALL_H__ is a reserved identifier.
Clean them all up: use guard symbol $target_TARGET_SYSCALL_H for
linux-user/$target/target_sycall.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Most of them use guard symbols like CPU_$target_H, but we also have
__MIPS_CPU_H__ and __TRICORE_CPU_H__. They all upset
scripts/clean-header-guards.pl.
The script dislikes CPU_$target_H because they don't match their file
name (they should, to make guard collisions less likely). The others
are reserved identifiers.
Clean them all up: use guard symbol $target_CPU_H for
target-$target/cpu.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
The conventional way to ensure a header can be included multiple times
is to bracket it like this:
#ifndef HEADER_NAME_H
#define HEADER_NAME_H
...
#endif
where HEADER_NAME_H is a symbol unique to this header.
The endif may be optionally decorated like this:
#endif /* HEADER_NAME_H */
Unconventional ways present in our code:
* Identifiers reserved for any use:
#define _FILEOP_H
* Lowercase (bad idea for object-like macros):
#define __linux_video_vga_h__
* Roundabout ways to say the same thing (and hide from grep):
#if !defined(__PPC_MAC_H__)
#endif /* !defined(__PPC_MAC_H__) */
* Redundant values:
#define HW_ALPHA_H 1
* Funny redundant values:
# define PXA_H "pxa.h"
* Decorations with bangs:
#endif /* !QEMU_ARM_GIC_INTERNAL_H */
The negation actually makes sense, but almost all our header guard
#endif decorations don't negate.
* Useless decorations:
#endif /* audio.h */
Header guards are not the place to show off creativity. This script
normalizes them to the conventional way, and cleans up whitespace
while there. It warns when it renames guard symbols, and explains how
to find occurences of these symbols that may have to be updated
manually.
Another issue is use of the same guard symbol in multiple headers.
That's okay only for headers that cannot be used together, such as the
*-user/*/target_syscall.h. This script can't tell, so it warns when
it sees a reuse.
The script also warns when preprocessing a header with its guard
symbol defined produces anything but whitespace.
The next commits will put the script to use.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Tracked down with an ugly, brittle and probably buggy Perl script.
Also move includes converted to <...> up so they get included before
ours where that's obviously okay.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Add a documentation comment describing the functions for
converting between the cpu and little or bigendian formats.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1467908460-27048-6-git-send-email-peter.maydell@linaro.org
Now that all uses of cpu_to_*w() and *_to_cpup() have been replaced
with either ld*_p()/st*_p() or by doing direct dereferences and
using the cpu_to_*()/*_to_cpu() byteswap functions, we can remove
the unused implementations.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1467908460-27048-4-git-send-email-peter.maydell@linaro.org
Don't use cpu_to_*w() and *_to_cpup() to do byte-swapped loads
and stores; instead use ld*_p() and st*_p() which correctly handle
misaligned accesses.
Bring the HNDL() macro into line with how we deal with
PARAMHANDLE(), by using cpu_to_le16() rather than an ifdef
HOST_WORDS_BIGENDIAN.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1467908460-27048-3-git-send-email-peter.maydell@linaro.org
Don't use the cpu_to_*w() functions, which we are trying to deprecate.
Instead just use cpu_to_*() to do the byteswap, which brings the
code in the marshal function in line with that in the unmarshal.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1467908460-27048-2-git-send-email-peter.maydell@linaro.org
There are functions tlb_fill(), cpu_unaligned_access() and
do_unaligned_access() that are called with access type and mmu index
arguments. But these arguments are named 'is_write' and 'is_user' in their
declarations. The patches fix the arguments to avoid a confusion.
Signed-off-by: Sergey Sorokin <afarallax@yandex.ru>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-id: 1465907177-1399402-1-git-send-email-afarallax@yandex.ru
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Changes:
* support 10-bit ASIDs
* MIPS64R6-generic renamed to I6400
* initial GIC support
* implement RESET_BASE register in CM GCR
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Merge remote-tracking branch 'remotes/lalrae/tags/mips-20160712' into staging
MIPS patches 2016-07-12
Changes:
* support 10-bit ASIDs
* MIPS64R6-generic renamed to I6400
* initial GIC support
* implement RESET_BASE register in CM GCR
# gpg: Signature made Tue 12 Jul 2016 11:49:50 BST
# gpg: using RSA key 0x52118E3C0B29DA6B
# gpg: Good signature from "Leon Alrae <leon.alrae@imgtec.com>"
# Primary key fingerprint: 8DD3 2F98 5495 9D66 35D4 4FC0 5211 8E3C 0B29 DA6B
* remotes/lalrae/tags/mips-20160712:
target-mips: enable 10-bit ASIDs in I6400 CPU
target-mips: support CP0.Config4.AE bit
target-mips: change ASID type to hold more than 8 bits
target-mips: add ASID mask field and replace magic values
target-mips: replace MIPS64R6-generic with the real I6400 CPU model
hw/mips_cmgcr: implement RESET_BASE register in CM GCR
hw/mips_cpc: make VP correctly start from the reset vector
target-mips: add exception base to MIPS CPU
hw/mips/cps: create GIC block inside CPS
hw/mips: implement Global Interrupt Controller
hw/mips: implement GIC Interval Timer
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch is a rough fix to "hw/usb/core.c:401: usb_handle_packet:
Assertion `dev->state == 3' failed.". Qemu will crash when a usb3
device redirect to Windows7 VM via nec-usb-xhci.
In extensible-host-controler-interface-usb-xhci.pdf P94(4.6.5
Address Device):
• If the Block Set Address Request (BSR) flag = ‘1’
• If the slot is in the Enabled state:
...
• Set the Slot State in the Output Slot Context to Default.
BSR = ‘1’: Enabled state to Default state; BSR = ‘0’: Default state
to Addressed state. Try to call usb_device_reset to set device state
to USB_STATE_DEFAULT in xhci_address_slot wether bsr is zero.
Signed-off-by: Zhang Shuaiyi <zhang_syi@massclouds.com>
Message-id: 1467258640-11921-1-git-send-email-zhang_syi@massclouds.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The read-only Config4.AE bit set denotes extended 10 bits ASID.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
ASID currently has uint8_t type which is too small since some processors
support more than 8 bits ASID. Therefore change its type to uint16_t.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
MIPS64R6-generic gradually gets closer to I6400 CPU, feature-wise. Rename
it to make it clear which MIPS processor it is supposed to emulate.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Implement RESET_BASE register which is local to each VP and a write to
it changes VP's reset exception base. Also, add OTHER register to
allow a software running on one VP to access other VP's local registers.
Guest can use this mechanism to specify custom address from which a VP
will start execution.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
When VP enters the Run state it starts execution from the reset vector.
Currently used CPU_INTERRUPT_WAKE does not do that if reset exception
base has been modified. Therefore fix that by simply resetting given VP.
Drop the usage of CPU_INTERRUPT_WAKE also in VP_STOP and instead raise
the CPU_INTERRUPT_HALT to halt a VP.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Replace hardcoded 0xbfc00000 with exception_base which is initialized with
this default address so there is no functional change here.
However, it is now exposed and consequently it will be possible to modify
it from outside of the CPU.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
The Global Interrupt Controller (GIC) is responsible for mapping each
internal and external interrupt to the correct location for servicing.
The internal representation of registers is different from the specification
in order to consolidate information for each GIC Interrupt Sources and Virtual
Processors with same functionalities. For example SH_MAP00_VP00 registers are
defined like each bit represents a VP but in this implementation the equivalent
map_vp contains VP number in integer form for ease accesses. When it is being
accessed via read write functions an internal data is converted back into the
original format as the specification.
Limitations:
Level triggering only
GIC CounterHi not implemented (Countbits = 32bits)
DINT not implemented
Local WatchDog, Fast Debug Channel, Perf Counter not implemented
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
The interval timer is similar to the CP0 Count/Compare timer within
each processor. The difference is the GIC_SH_COUNTER register is global
to the system so that all processors have the same time reference.
To ease implementation, all VPs are having its own QEMU timer but sharing
global settings and registers such as GIC_SH_CONFIG.COUTNSTOP and
GIC_SH_COUNTER.
MIPS GIC Interval Timer does support upto 64 bits of Count register but
in this implementation it is limited to 32 bits only.
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Improve capability checks (count keys and buttons), store results.
Merge the input_linux_event_mouse and input_linux_event_keyboard
functions into one, dispatch into input_linux_handle_mouse and
input_linux_handle_keyboard depending on device capabilities.
Allow calling both handle functions, so we can handle mice which
also send key events, by routing those key events to the keyboard.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1466067800-25434-4-git-send-email-kraxel@redhat.com
