In order to handle TB's that translate to too much code, we
need to place the control of the length of the translation
in the hands of the code gen master loop.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
CPUClass method dump_statistics() takes an fprintf()-like callback and
a FILE * to pass to it. Most callers pass fprintf() and stderr.
log_cpu_state() passes fprintf() and qemu_log_file.
hmp_info_registers() passes monitor_fprintf() and the current monitor
cast to FILE *. monitor_fprintf() casts it right back, and is
otherwise identical to monitor_printf().
The callback gets passed around a lot, which is tiresome. The
type-punning around monitor_fprintf() is ugly.
Drop the callback, and call qemu_fprintf() instead. Also gets rid of
the type-punning, since qemu_fprintf() takes NULL instead of the
current monitor cast to FILE *.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190417191805.28198-15-armbru@redhat.com>
CPUClass method dump_statistics() takes an fprintf()-like callback and
a FILE * to pass to it.
Its only caller hmp_info_cpustats() (via cpu_dump_statistics()) passes
monitor_fprintf() and the current monitor cast to FILE *.
monitor_fprintf() casts it right back, and is otherwise identical to
monitor_printf(). The type-punning is ugly.
Drop the callback, and call qemu_printf() instead.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190417191805.28198-13-armbru@redhat.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155359567174.1794128.3183997593369465355.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
We use PPC_SEGMENT_64B in various places to guard code that is specific
to 64-bit server processors compliant with arch 2.x. Consolidate the
logic in a helper macro with an explicit name.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155327783157.1283071.3747129891004927299.stgit@bahia.lan>
Tested-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Even if all ISAs up to v3 indeed mention:
If the "decrement and test CTR" option is specified (BO2=0), the
instruction form is invalid.
The UMs of all existing 64-bit server class processors say:
If BO[2] = 0, the contents of CTR (before any update) are used as the
target address and for the test of the contents of CTR to resolve the
branch. The contents of the CTR are then decremented and written back
to the CTR.
The linux kernel has spectre v2 mitigation code that relies on a
BO[2] = 0 variant of bcctr, which is now activated by default on
spapr, even with TCG. This causes linux guests to panic with
the default machine type under TCG.
Since any CPU model can provide its own behaviour for invalid forms,
we could possibly introduce a new instruction flag to handle this.
In practice, since the behaviour is shared by all 64-bit server
processors starting with 970 up to POWER9, let's reuse the
PPC_SEGMENT_64B flag. Caveat: this may have to be fixed later if
POWER10 introduces a different behaviour.
The existing behaviour of throwing a program interrupt is kept for
all other CPU models.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155327782604.1283071.10640596307206921951.stgit@bahia.lan>
Tested-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
By using the VsrD macro in avr64_offset() the same offset calculation can be
used regardless of the host endian. This allows get_avr64() and set_avr64() to
be simplified accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20190307180520.13868-6-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Instead of having multiple copies of the offset calculation logic, move it to a
single fpr_offset() function.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190307180520.13868-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Prior to POWER9 the decrementer was a 32-bit register which decremented
with each tick of the timebase. From POWER9 onwards the decrementer can
be set to operate in a mode called large decrementer where it acts as a
n-bit decrementing register which is visible as a 64-bit register, that
is the value of the decrementer is sign extended to 64 bits (where n is
implementation dependant).
The mode in which the decrementer operates is controlled by the LPCR_LD
bit in the logical paritition control register (LPCR).
>From POWER9 onwards the HDEC (hypervisor decrementer) was enlarged to
h-bits, also sign extended to 64 bits (where h is implementation
dependant). Note this isn't configurable and is always enabled.
On POWER9 the large decrementer and hdec are both 56 bits, as
represented by the lrg_decr_bits cpu class property. Since they are the
same size we only add one property for now, which could be extended in
the case they ever differ in the future.
We also add the lrg_decr_bits property for POWER5+/7/8 since it is used
to determine the size of the hdec, which is only generated on the
POWER5+ processor and later. On these processors it is 32 bits.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190301024317.22137-2-sjitindarsingh@gmail.com>
[dwg: Small style fixes]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
And use it to get the correct HILE bit in HID0
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20190215161648.9600-7-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
STOP must act differently based on PSSCR:EC on POWER9. When set, it
acts like the P7/P8 power management instructions and wake up at 0x100
based on the wakeup conditions in LPCR.
When PSSCR:EC is clear however it will wakeup at the next instruction
after STOP (if EE is clear) or take the corresponding interrupts (if
EE is set).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20190215161648.9600-4-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Those instructions currently raise an exception from within
the helper. This tends to result in a bogus nip value in
the env context (typically the beginning of the TB). Such
a helper needs a gen_update_nip() first.
This fixes it with a different approach which is to throw the
exception from translate.c instead of the helper using
gen_exception_nip() which does the right thing. Exception
EXCP_HLT is also used instead of POWERPC_EXCP_STOP to effectively
exit from the CPU execution loop.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[clg : modified the commit log to comment the use of EXCP_HLT instead
of POWERPC_EXCP_STOP]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190215161648.9600-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20190215100058.20015-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The PPC BRANCH exception could bubble up, but this is an QEMU internal exception
and QEMU then crased. Instead it should trigger TRACE exception, according to
PPC 2.07 book. It could happen only when using branch stepping, which is not
commonly used.
Change gen_prep_dbgex do do trigger TRACE. The excp, argument is now removed,
since the type of exception can be inferred from the singlestep_enabled flags.
removed the guards around gen_exception, since they are unnecessary.
Fixes: 0e3bf48909 ("ppc: add DBCR based debugging").
Signed-off-by: Roman Kapl <rka@sysgo.com>
Message-Id: <20190212121255.2279-1-rka@sysgo.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
According to BookE docs, invalid bits (while undefined behaviour) should
not raise exception but be ignored. This seems to be implementation
dependent though and QEMU currently does what e500 CPUs do and raise
exception for invalid bits. Unfortunately some versions of libstdc++
(and so all programs compiled with it) have lwsync on PPC440 which is
invalid but on real hardware it's just executed as msync ignoring the
invalid bits (maybe that's why it got undetected) but they fail on QEMU.
This patch changes invalid mask of msync to allow these programs to run
but keep generating exception on e500 cores to follow what hardware does.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The VSX register array is a block of 64 128-bit registers where the first 32
registers consist of the existing 64-bit FP registers extended to 128-bit
using new VSR registers, and the last 32 registers are the VMX 128-bit
registers as show below:
64-bit 64-bit
+--------------------+--------------------+
| FP0 | | VSR0
+--------------------+--------------------+
| FP1 | | VSR1
+--------------------+--------------------+
| ... | ... | ...
+--------------------+--------------------+
| FP30 | | VSR30
+--------------------+--------------------+
| FP31 | | VSR31
+--------------------+--------------------+
| VMX0 | VSR32
+-----------------------------------------+
| VMX1 | VSR33
+-----------------------------------------+
| ... | ...
+-----------------------------------------+
| VMX30 | VSR62
+-----------------------------------------+
| VMX31 | VSR63
+-----------------------------------------+
In order to allow for future conversion of VSX instructions to use TCG vector
operations, recreate the same layout using an aligned version of the existing
vsr register array.
Since the old fpr and avr register arrays are removed, the existing callers
must also be updated to use the correct offset in the vsr register array. This
also includes switching the relevant VMState fields over to using subarrays
to make sure that migration is preserved.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Instead of accessing the FPR, VMX and VSX registers through static arrays of
TCGv_i64 globals, remove them and change the helpers to load/store data directly
within cpu_env.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These helpers allow us to move AVR register values to/from the specified TCGv_i64
argument.
To prevent VMX helpers accessing the cpu_avr{l,h} arrays directly, add extra TCG
temporaries as required.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These helpers allow us to move FP register values to/from the specified TCGv_i64
argument in the VSR helpers to be introduced shortly.
To prevent FP helpers accessing the cpu_fpr array directly, add extra TCG
temporaries as required.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Implement the addex instruction introduced in ISA V3.00 in qemu tcg.
The add extended using alternate carry bit (addex) instruction performs
the same operation as the add extended (adde) instruction, but using the
overflow (ov) field in the fixed point exception register (xer) as the
carry in and out instead of the carry (ca) field.
The instruction has a Z23-form, not an XO form, as follows:
------------------------------------------------------------------
| 31 | RT | RA | RB | CY | 170 | 0 |
------------------------------------------------------------------
0 6 11 16 21 23 31 32
However since the only valid form of the instruction defined so far is
CY = 0, we can treat this like an XO form instruction.
There is no dot form (addex.) of the instruction and the summary overflow
(so) bit in the xer is not modified by this instruction.
For simplicity we reuse the gen_op_arith_add function and add a function
argument to specify where the carry in input should come from and the
carry out output be stored (note must be the same location).
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
In this mode writing to interrupt/peripheral state is controlled
by can_do_io flag. This flag must be set explicitly before helper
function invocation.
Signed-off-by: Maria Klimushenkova <maria.klimushenkova@ispras.ru>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This patch fixes processing of mtmsr instructions in icount mode.
In this mode writing to interrupt/peripheral state is controlled
by can_do_io flag. This flag must be set explicitly before helper
function invocation.
Signed-off-by: Maria Klimushenkova <maria.klimushenkova@ispras.ru>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
External PID is a mechanism present on BookE 2.06 that enables application to
store/load data from different address spaces. There are special version of some
instructions, which operate on alternate address space, which is specified in
the EPLC/EPSC regiser.
This implementation uses two additional MMU modes (mmu_idx) to provide the
address space for the load and store instructions. The QEMU TLB fill code was
modified to recognize these MMU modes and use the values in EPLC/EPSC to find
the proper entry in he PPC TLB. These two QEMU TLBs are also flushed on each
write to EPLC/EPSC.
Following instructions are implemented: dcbfep dcbstep dcbtep dcbtstep dcbzep
dcbzlep icbiep lbepx ldepx lfdepx lhepx lwepx stbepx stdepx stfdepx sthepx
stwepx.
Following vector instructions are not: evlddepx evstddepx lvepx lvepxl stvepx
stvepxl.
Signed-off-by: Roman Kapl <rka@sysgo.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Add support for DBCR (debug control register) based debugging as used on
BookE ppc. So far supports only branch and single-step events, but these are
the important ones. GDB in Linux guest can now do single-stepping.
Signed-off-by: Roman Kapl <rka@sysgo.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The PPC440 User Manual says that if bit 31 is set, the contents of
CR[CR0] are undefined for indexed store instructions but this form is
not invalid. Other PPC variants confirming to recent ISA where this
bit may be reserved should ignore reserved bits and not raise invalid
instruction exception. In particular, MorphOS has an stwx instruction
with bit 31 set and fails to boot currently because of this. With this
patch it gets further.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The use of GDB breakpoints was broken by b0c2d52 ("target/ppc: convert
to TranslatorOps", 2018-02-16).
Fix it by setting is_jmp, so that we break from the translation loop
as originally intended.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The store twin case was stubbed out. For now, implement it only within
a serial context, forcing parallel execution to synchronize. It would
be possible to implement with a cmpxchg loop, if we care, but the loose
alignment requirements (simply no crossing 32-byte boundary) might send
us back to the serial context anyway.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These cases were stubbed out. For now, implement them only within
a serial context, forcing parallel execution to synchronize. It
would be possible to implement these with cmpxchg loops, if we care.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These operations were previously unimplemented for ppc.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This avoids the need for gen_check_align entirely.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Move the guts of ST_ATOMIC to a function. Use foo_tl for the operations
instead of foo_i32 or foo_i64 specifically. Use MO_ALIGN instead of an
explicit call to gen_check_align.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Move the guts of LD_ATOMIC to a function. Use foo_tl for the operations
instead of foo_i32 or foo_i64 specifically. Use MO_ALIGN instead of an
explicit call to gen_check_align.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Leave only the minimal amount of code within the LDAR macro,
moving the rest of the code into gen_load_locked. Use MO_ALIGN
and remove the explicit call to gen_check_align.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Leave only the minimal amount of code within the STCX macro,
moving the rest of the code into gen_conditional_store.
Remove the explicit call to gen_check_align; the matching LDAX will
have already checked alignment, and we verify the same address.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Always use the gen_conditional_store implementation that uses
atomic_cmpxchg. Make sure and clear reserve_addr across most
interrupts crossing the cpu_loop.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
When running in a parallel context, we must use a helper in order
to perform the 128-bit atomic operation. When running in a serial
context, do the compare before the store.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Section 1.4 of the Power ISA v3.0B states that this insn is
single-copy atomic. As we cannot (yet) issue 128-bit stores
within TCG, use the generic helpers provided.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Section 1.4 of the Power ISA v3.0B states that both of these
instructions are single-copy atomic. As we cannot (yet) issue
128-bit loads within TCG, use the generic helpers provided.
Since TCG cannot (yet) return a 128-bit value, add a slot within
CPUPPCState for returning the high half of a 128-bit return value.
This solution is preferred to the helper assigning to architectural
registers directly, as it avoids clobbering all TCG live values.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
According to PPC440 User Manual PPC440 has multiple opcodes for icbt
instruction: one for compatibility with older cores and two 440
specific opcodes one of which is defined in BookE. QEMU only
implements two of these, add the missing one.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
POWER9 introduced a new variant of the eieio instruction using bit 6
as a hint to tell the CPU it is a store-forwarding barrier.
The usage of this eieio extension was recently added in Linux 4.17
which activated the "support for a store forwarding barrier at kernel
entry/exit".
Unfortunately, it is not possible to insert this new eieio instruction
without considerable change in ppc_tr_translate_insn(). So instead we
loosen the QEMU eieio instruction mask and modify the gen_eieio()
helper to test for bit6. On non-POWER9 CPUs, the bit6 is just ignored
but a warning is emitted as this is not an instruction software should
be using.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
fprintf() and qemu_log_separate() are frowned upon these days for printing
logging information in QEMU. Accessing the wrong SPRs indicates wrong guest
behaviour in most cases, and we've got a proper way to log such situations,
which is the qemu_log_mask(LOG_GUEST_ERROR, ...) function. So use this
function now for logging the bad SPR accesses instead.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Do the cast to uintptr_t within the helper, so that the compiler
can type check the pointer argument. We can also do some more
sanity checking of the index argument.
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Cc: Alexander Graf <agraf@suse.de>
Cc: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* dtc configure fixes
* MemoryRegionCache second try
* Deprecated option removal
* add support for Hyper-V reenlightenment MSRs
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Don't silently truncate extremely long words in the command line
* dtc configure fixes
* MemoryRegionCache second try
* Deprecated option removal
* add support for Hyper-V reenlightenment MSRs
# gpg: Signature made Fri 11 May 2018 13:33:46 BST
# gpg: using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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: (29 commits)
rename included C files to foo.inc.c, remove osdep.h
pc-dimm: fix error messages if no slots were defined
build: Silence dtc directory creation
shippable: Remove Debian 8 libfdt kludge
configure: Display if libfdt is from system or git
configure: Really use local libfdt if the system one is too old
i386/kvm: add support for Hyper-V reenlightenment MSRs
qemu-doc: provide details of supported build platforms
qemu-options: Remove deprecated -no-kvm-irqchip
qemu-options: Remove deprecated -no-kvm-pit-reinjection
qemu-options: Bail out on unsupported options instead of silently ignoring them
qemu-options: Remove remainders of the -tdf option
qemu-options: Mark -virtioconsole as deprecated
target/i386: sev: fix memory leaks
opts: don't silently truncate long option values
opts: don't silently truncate long parameter keys
accel: use g_strsplit for parsing accelerator names
update-linux-headers: drop hyperv.h
qemu-thread: always keep the posix wrapper layer
exec: reintroduce MemoryRegion caching
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
osdep.h is only needed for files that are compiled directly.
Remove it from included C source files, and rename them to
*.inc.c so that scripts/clean-includes knows to skip them.
Cc: Eric Blake <eblake@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
