Paolo Bonzini [Fri, 5 Oct 2012 16:29:21 +0000 (18:29 +0200)]
target-i386: factor gen_op_set_cc_op/tcg_gen_discard_tl around computing flags
Before computing flags we need to store the cc_op to memory. Move this
to gen_compute_eflags_c and gen_compute_eflags rather than doing it all
over the place.
Alo, after computing the flags in cpu_cc_src we are in EFLAGS mode.
Set s->cc_op and discard cpu_cc_dst in gen_compute_eflags, rather than
doing it all over the place.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
Always compute EFLAGS first since it is needed whenever
the shift is non-zero, i.e. most of the time. This makes it possible
to remove some writes of CC_OP_EFLAGS to cpu_cc_op and more importantly
removes cases where s->cc_op becomes CC_OP_DYNAMIC. Also, we can
remove cc_tmp and just modify cc_src from within the helper.
Finally, always follow gen_compute_eflags(cpu_cc_src) by setting s->cc_op
and discarding cpu_cc_dst.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
Paolo Bonzini [Fri, 5 Oct 2012 22:18:55 +0000 (00:18 +0200)]
target-i386: move eflags computation closer to gen_op_set_cc_op
This ensures the invariant that cpu_cc_op matches s->cc_op when calling
the helpers. The next patches need this because gen_compute_eflags and
gen_compute_eflags_c will take care of setting cpu_cc_op.
Always compute EFLAGS first since it is needed whenever the shift is
non-zero, i.e. most of the time. This makes it possible to remove some
writes of CC_OP_EFLAGS to cpu_cc_op and more importantly removes cases
where s->cc_op becomes CC_OP_DYNAMIC. These are slow and we want to
avoid them: CC_OP_EFLAGS is quite efficient once we paid the initial
cost of computing the flags.
Finally, always follow gen_compute_eflags(cpu_cc_src) by setting s->cc_op
and discarding cpu_cc_dst.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
Paolo Bonzini [Fri, 5 Oct 2012 22:18:55 +0000 (00:18 +0200)]
target-i386: move carry computation for inc/dec closer to gen_op_set_cc_op
This ensures the invariant that cpu_cc_op matches s->cc_op when calling
the helpers. The next patches need this because gen_compute_eflags and
gen_compute_eflags_c will take care of setting cpu_cc_op.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
Paolo Bonzini [Fri, 5 Oct 2012 23:36:45 +0000 (01:36 +0200)]
target-i386: drop cc_op argument of gen_jcc1
As in the gen_repz_scas/gen_repz_cmps case, delay setting
CC_OP_DYNAMIC in gen_jcc until after code generation. All of
gen_jcc1/is_fast_jcc/gen_setcc_slow_T0 now work on s->cc_op, which makes
things a bit easier to follow and to patch.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
Andre Przywara [Thu, 18 Oct 2012 09:16:58 +0000 (11:16 +0200)]
vnc-tls: Fix compilation with newer versions of GNU-TLS
In my installation of GNU-TLS (v3.0.23) the type
gnutls_anon_server_credentials is marked deprecated, so -Werror
breaks compilation.
Simply replacing it with the newer ..._t version fixed the compilation
on my machine (Slackware 14.0). I cannot tell how far back this "new"
type goes, at least the header file in RHEL 5.0 (v1.4.1) seems to have
it already. If someone finds a broken distribution, tell me and I
insert some compat code.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Message-id: 1350551818-14717-1-git-send-email-andre.przywara@amd.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
doc help: Collect block device stuff under its own heading
Collect them from "Standard options", "File system options", "Virtual
File system pass-through options", "Debug/Expert options".
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1360781383-28635-8-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
doc help: A few options are under inappropriate headings, fix
--device is under heading "USB options". --name and --uuid are under
"Virtual File system pass-through options". Move all three to
"Standard options".
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1360781383-28635-7-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
help: Fix markup of heading "USB options" so it appears in -help
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1360781383-28635-6-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
End tables before headings, start new ones afterwards. Fixes
incorrect indentation of headings "File system options" and "Virtual
File system pass-through options" in manual page and qemu-doc.
Normalize markup some to increase chances it survives future edits.
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1360781383-28635-5-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
doc: Fill some option doc gaps in manual page and qemu-doc
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1360781383-28635-4-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
doc: Fix some option entries in qemu-doc's function index
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1360781383-28635-3-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1360781383-28635-2-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Andreas Färber [Sat, 16 Feb 2013 10:27:26 +0000 (11:27 +0100)]
isa: Split off instance_init for ISADevice
Prepares for assigning IRQs before QOM realize.
Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1361010446-1427-1-git-send-email-afaerber@suse.de Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Andreas Färber [Sat, 16 Feb 2013 21:44:03 +0000 (22:44 +0100)]
qtest: Add MMIO support
Introduce [qtest_]{read,write}[bwlq]() libqtest functions and
corresponding QTest protocol commands to replace local versions in
libi2c-omap.c.
Also convert m48t59-test's cmos_{read,write}_mmio() to {read,write}b().
Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1361051043-27944-4-git-send-email-afaerber@suse.de Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Andreas Färber [Sat, 16 Feb 2013 21:44:02 +0000 (22:44 +0100)]
libqtest: Introduce qtest_qmpv() and convert remaining macro
In order to convert qmp() macro to an inline function, expose a
qtest_qmpv() function, reused by qtest_qmp().
We can't apply GCC_FMT_ATTR() since fdc-test is using zero-length format
strings, which would result in warnings treated as errors.
Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1361051043-27944-3-git-send-email-afaerber@suse.de Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Andreas Färber [Sat, 16 Feb 2013 21:44:01 +0000 (22:44 +0100)]
libqtest: Convert macros to functions and clean up documentation
libqtest.h provides a number of shortcut macros to avoid tests feeding
it the QTestState they operate on. Most of these can easily be turned
into static inline functions, so let's do that for clarity.
This avoids getting off-by-one error messages when passing wrong args.
Some macros had a val argument but documented @value argument. Fix this.
While touching things, enforce gtk-doc markup for return values and for
referencing types.
Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1361051043-27944-2-git-send-email-afaerber@suse.de Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Anthony Liguori [Mon, 18 Feb 2013 14:37:29 +0000 (08:37 -0600)]
Merge remote-tracking branch 'afaerber/qom-cpu' into staging
# By Andreas Färber
# Via Andreas Färber
* afaerber/qom-cpu: (47 commits)
target-i386: Split command line parsing out of cpu_x86_register()
target-i386: Move cpu_x86_init()
target-lm32: Drop unused cpu_lm32_close() prototype
target-s390x: Drop unused cpu_s390x_close() prototype
spapr_hcall: Replace open-coded CPU loop with qemu_get_cpu()
ppce500_spin: Replace open-coded CPU loop with qemu_get_cpu()
e500: Replace open-coded loop with qemu_get_cpu()
cpu: Add CPUArchState pointer to CPUState
cputlb: Pass CPUState to cpu_unlink_tb()
cpu: Move current_tb field to CPUState
cpu: Move exit_request field to CPUState
cpu: Move running field to CPUState
cpu: Move host_tid field to CPUState
target-cris: Introduce CRISCPU subclasses
target-m68k: Pass M68kCPU to m68k_set_irq_level()
mcf_intc: Pass M68kCPU to mcf_intc_init()
mcf5206: Pass M68kCPU to mcf5206_init()
target-m68k: Return M68kCPU from cpu_m68k_init()
ppc405_uc: Pass PowerPCCPU to ppc40x_{core,chip,system}_reset()
target-xtensa: Move TCG initialization to XtensaCPU initfn
...
The new formulation makes better use of add-with-carry type insns
that the host may have. Use gcc's sign adjustment trick to avoid
having to perform a 128-bit negation.
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Replace some x86_64 specific inline assembly with something that
all 64-bit hosts ought to optimize well. At worst this becomes
a call to the gcc __multi3 routine, which is no worse than our
implementation in util/host-utils.c.
With gcc 4.7, we get identical code generation for x86_64. We
now get native multiplication on ia64 and s390x hosts. With minor
improvements to gcc we can get it for ppc64 as well.
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Andreas Färber [Sat, 16 Feb 2013 22:21:24 +0000 (23:21 +0100)]
tcg/ppc: Fix build of tcg_qemu_tb_exec()
Commit 0b0d3320db74cde233ee7855ad32a9c121d20eb4 (TCG: Final globals
clean-up) moved code_gen_prologue but forgot to update ppc code.
This broke the build on 32-bit ppc. ppc64 is unaffected.
Cc: Evgeny Voevodin <evgenyvoevodin@gmail.com> Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Andreas Färber [Sun, 27 Jan 2013 13:32:05 +0000 (14:32 +0100)]
target-sparc: Fix debug output for DEBUG_MMU
Signed-off-by: Andreas Färber <afaerber@suse.de> Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Andreas Färber [Fri, 15 Feb 2013 14:21:13 +0000 (15:21 +0100)]
e500: Replace open-coded loop with qemu_get_cpu()
Since we still need env for ppc-specific fields, obtain it via the new
env_ptr fields to avoid "cpu" name conflicts between CPUState and
PowerPCCPU for now.
This fixes a potential issue with env being NULL at the end of the loop
but cpu still being a valid pointer corresponding to a previous env.
Acked-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de>
Andreas Färber [Thu, 17 Jan 2013 11:13:41 +0000 (12:13 +0100)]
cpu: Add CPUArchState pointer to CPUState
The target-specific ENV_GET_CPU() macros have allowed us to navigate
from CPUArchState to CPUState. The reverse direction was not supported.
Avoid introducing CPU_GET_ENV() macros by initializing an untyped
pointer that is initialized in derived instance_init functions.
The field may not be called "env" due to it being poisoned.
Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
Andreas Färber [Wed, 16 Jan 2013 18:29:31 +0000 (19:29 +0100)]
cpu: Move current_tb field to CPUState
Explictly NULL it on CPU reset since it was located before breakpoints.
Change vapic_report_tpr_access() argument to CPUState. This also
resolves the use of void* for cpu.h independence.
Change vAPIC patch_instruction() argument to X86CPU.
Andreas Färber [Sun, 20 Jan 2013 00:46:45 +0000 (01:46 +0100)]
target-xtensa: Move TCG initialization to XtensaCPU initfn
Combine this with breakpoint handler registration, guarding both with
tcg_enabled() to suppress also TCG init for qtest. Rename the handler to
xtensa_breakpoint_handler() since it needs to become global.
Andreas Färber [Sat, 19 Jan 2013 22:55:42 +0000 (23:55 +0100)]
target-cris: Move TCG initialization to CRISCPU initfn
Split out TCG initialization from cpu_cris_init(). Avoid CPUCRISState
dependency for v10-specific initialization and for non-v10 by inlining
the decision into the initfn as well.
Andreas Färber [Wed, 16 Jan 2013 02:41:47 +0000 (03:41 +0100)]
target-i386: Update X86CPU to QOM realizefn
Adapt the signature of x86_cpu_realize(), hook up to
DeviceClass::realize and set realized = true in cpu_x86_init().
The QOM realizefn cannot depend on errp being non-NULL as in
cpu_x86_init(), so use a local Error to preserve error handling behavior
on APIC initialization errors.
Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
[AF: Invoke parent's realizefn] Signed-off-by: Andreas Färber <afaerber@suse.de>
Andreas Färber [Sat, 5 Jan 2013 09:18:18 +0000 (10:18 +0100)]
target-arm: Update ARMCPU to QOM realizefn
Turn arm_cpu_realize() into a QOM realize function, no longer called
via cpu.h prototype. To maintain the semantics of cpu_init(), set
realized = true explicitly in cpu_arm_init().
Move GDB coprocessor registration, CPU reset and vCPU initialization
into the realizefn.
Both uses of ctz have already eliminated zero, and thus the difference
in edge conditions between the two routines is irrelevant.
Signed-off-by: Richard Henderson <rth@twiddle.net> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Add function comments to the routines, documenting the corner
cases upon which we are standardizing. Fix the few instances
of non-standard coding style.
Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Peter Maydell [Mon, 11 Feb 2013 16:41:25 +0000 (16:41 +0000)]
qemu-log: Rename CPULogItem, cpu_log_items to QEMULogItem, qemu_log_items
Rename the typedef CPULogItem and the public array cpu_log_items
to names that better reflect the fact that the qemu_log functionality
isn't restricted to TCG CPU debug logs any more.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Peter Maydell [Mon, 11 Feb 2013 16:41:24 +0000 (16:41 +0000)]
cpus.c: Drop unnecessary set_cpu_log()
The set_cpu_log() function in cpus.c is a fairly simple wrapper
which is only called from one location. Just inline the code
into vl.c, since there is no need to indirect it via cpus.c
and the handling of the error case is more appropriate to vl.c.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Peter Maydell [Mon, 11 Feb 2013 16:41:23 +0000 (16:41 +0000)]
qemu-log: Rename the public-facing cpu_set_log function to qemu_set_log
Rename the public-facing function cpu_set_log to qemu_set_log. This
requires us to rename the internal-only qemu_set_log() to
do_qemu_set_log().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Peter Maydell [Mon, 11 Feb 2013 16:41:22 +0000 (16:41 +0000)]
qemu-log: Rename cpu_str_to_log_mask to qemu_str_to_log_mask
Rename cpu_str_to_log_mask() to qemu_str_to_log_mask(), since
the qemu_log functionality is no longer restricted to TCG CPU
debug logging.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Peter Maydell [Mon, 11 Feb 2013 16:41:21 +0000 (16:41 +0000)]
qemu-log: Abstract out "print usage message about valid log categories"
Abstract out the "print a human readable list of all the
valid log categories" functionality which is currently duplicated
in three separate places. (We leave the monitor.c help_cmd()
implementation as-is since it wants to send the message to
the monitor and add its own information.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Peter Maydell [Mon, 11 Feb 2013 16:41:20 +0000 (16:41 +0000)]
qemu-log: Unify {cpu_set,set_cpu}_log_filename as qemu_set_log_filename
The qemu_log() functionality is no longer specific to TCG CPU debug logs.
Rename cpu_set_log_filename() to qemu_set_log_filename() and drop the
pointless wrapper set_cpu_log_filename().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Evgeny Voevodin [Thu, 31 Jan 2013 18:47:23 +0000 (01:47 +0700)]
TCG: Move translation block variables to new context inside tcg_ctx: tb_ctx
It's worth to clean-up translation blocks variables and move them
into one context as was suggested by Swirl.
Also if we use this context directly inside tcg_ctx, then it
speeds up code generation a bit.
Signed-off-by: Evgeny Voevodin <evgenyvoevodin@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
projects / qemu-upstream-4.5-testing.git / log