Pass these along to translator_loop -- pc may be used instead
of tb->pc, and host_pc is currently unused. Adjust all targets
at one time.
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Tested-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
VyV operand is only used in the vshuff and vdeal instructions. These
instructions write to both VyV and VxV operands. In the case where
both operands are the same register, we need a separate location for
VyV. We use the existing vtmp field in CPUHexagonState.
Test case added in tests/tcg/hexagon/hvx_misc.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220718230320.24444-2-tsimpson@quicinc.com>
The semantics of a mem_noshuf packet are that the store effectively
happens before the load. However, in cases where the load raises an
exception, we cannot simply execute the store first.
This change adds a probe to check that the load will not raise an
exception before executing the store.
If the load is predicated, this requires special handling. We check
the condition before performing the probe. Since, we need the EA to
perform the check, we move the GET_EA portion inside CHECK_NOSHUF_PRED.
Test case added in tests/tcg/hexagon/mem_noshuf_exception.c
Suggested-by: Alessandro Di Federico <ale@rev.ng>
Suggested-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220707210546.15985-3-tsimpson@quicinc.com>
Call the CHECK_NOSHUF macro multiple times: once in the
fGEN_TCG_PRED_LOAD() and again in fLOAD().
Before this commit, a packet with a store and a predicated
load with mem_noshuf that gets encoded like this:
{ P0 = cmp.eq(R17,#0x0)
memw(R18+#0x0) = R2
if (!P0.new) R3 = memw(R17+#0x4) }
... would end up generating a branch over both the load
and the store like so:
...
brcond_i32 loc17,$0x0,eq,$L1
mov_i32 loc18,store_addr_1
qemu_st_i32 store_val32_1,store_addr_1,leul,0
qemu_ld_i32 loc16,loc7,leul,0
set_label $L1
...
Test cases added to tests/tcg/hexagon/mem_noshuf.c
Co-authored-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220707210546.15985-2-tsimpson@quicinc.com>
Cleaned up with scripts/clean-header-guards.pl.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220506134911.2856099-5-armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Header guard symbols should match their file name to make guard
collisions less likely.
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>
Message-Id: <20220506134911.2856099-2-armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[Change to generated file ebpf/rss.bpf.skeleton.h backed out]
G_NORETURN was introduced in glib 2.68, fallback to G_GNUC_NORETURN in
glib-compat.
Note that this attribute must be placed before the function declaration
(bringing a bit of consistency in qemu codebase usage).
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20220420132624.2439741-20-marcandre.lureau@redhat.com>
We have fetched and locked the logfile in translator_loop.
Pass the filepointer down to the disas_log hook so that it
need not be fetched and locked again.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220417183019.755276-13-richard.henderson@linaro.org>
This code appears to be trying to make sure there is a logfile.
But that's already true -- the logfile will either be set by -D,
or will be stderr. In either case, not appropriate here.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220417183019.755276-3-richard.henderson@linaro.org>
When building with clang version 13.0.0 (eg. Fedora 13.0.0-3.fc35),
two unused variables introduced by macro GATHER_FUNCTION and
SCATTER_FUNCTION will cause building process failure due to
[-Werror -Wunused-variable].
Signed-off-by: Zongyuan Li <zongyuan.li@smartx.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/831
Message-Id: <20220124064339.56027-1-zongyuan.li@smartx.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
On Hexagon, c4 is an alias for predicate registers P3:0. If we assign to
c4 inside a packet with reads from predicate registers, the predicate
reads should get the old values.
Test case added to tests/tcg/hexagon/preg_alias.c
Co-authored-by: Michael Lambert <mlambert@cuicinc.com>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20220210021556.9217-13-tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Fix typo that checked for 32 bit nan instead of 64 bit
Test case added in tests/tcg/hexagon/usr.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20220210021556.9217-11-tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
The float??_minnum implementation differs from Hexagon for SNaN,
it returns NaN, but Hexagon returns the other input. So, we use
float??_minimum_number.
Test cases added to tests/tcg/hexagon/fpstuff.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20220308190410.22355-1-tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
The arch_sf_recip_common function was calling float32_getexp which
adjusts for denorm, but the we actually need the raw exponent bits.
This function is called from 3 instructions
sfrecipa
sffixupn
sffixupd
Test cases added to tests/tcg/hexagon/fpstuff.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20220210021556.9217-6-tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Instead of checking for nan arguments, use float??_unordered_quiet
test cases added in a subsequent patch to more extensively test USR bits
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20220210021556.9217-4-tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Versions V3 and earlier should treat the "K_const" and "length" values
as unsigned.
Modified circ_test_v3() in tests/tcg/hexagon/circ.c to reproduce the bug
Signed-off-by: Michael Lambert <mlambert@quicinc.com>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20220210021556.9217-2-tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
ArchCPU is our interface with target-specific code. Use it as
a forward-declared opaque pointer (abstract type), having its
structure defined by each target.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220214183144.27402-15-f4bug@amsat.org>
Replace the boilerplate code to declare CPU QOM types
and macros, and forward-declare the CPU instance type.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220214183144.27402-14-f4bug@amsat.org>
While CPUState is our interface with generic code, CPUArchState is
our interface with target-specific code. Use CPUArchState as an
abstract type, defined by each target.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220214183144.27402-13-f4bug@amsat.org>
HexagonCPU field parent_class is of type CPUClass, which
is declared in "hw/core/cpu.h".
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220214183144.27402-11-f4bug@amsat.org>
Many files use "qemu/log.h" declarations but neglect to include
it (they inherit it via "exec/exec-all.h"). "exec/exec-all.h" is
a core component and shouldn't be used that way. Move the
"qemu/log.h" inclusion locally to each unit requiring it.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220207082756.82600-10-f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The qemu-common.h header is not supposed to be included from any
other header files, only from .c files (as documented in a comment at
the start of it).
Move the include to linux-user/hexagon/cpu_loop.c, which needs it for
the declaration of cpu_exec_step_atomic().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-id: 20211129200510.1233037-3-peter.maydell@linaro.org
Add new file to target/hexagon/meson.build
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Imported from the Hexagon architecture library
imported/allext.idef Top level file for all extensions
imported/mmvec/ext.idef HVX instruction definitions
Support functions added to target/hexagon/genptr.c
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Build the infrastructure to create overrides for HVX instructions.
We create a new empty file (gen_tcg_hvx.h) that will be populated
in subsequent patches.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Probe and commit vector stores (masked and scatter/gather)
Log vector register writes
Add the execution counters to the debug log
Histogram instructions
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Functions to support scatter/gather
Add new file to target/hexagon/meson.build
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Add HVX support to the semantics generator
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Imported from the Hexagon architecture library
imported/allext_macros.def Top level macro include for all extensions
imported/macros.def Scalar core macros (some HVX here)
imported/mmvec/macros.def HVX macro definitions
The macro definition files specify instruction attributes that are applied
to each instruction that reverences the macro.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
macros to interface with the generator
macros referenced in instruction semantics
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
HVX is a set of wide vector instructions. Machine state includes
vector registers (VRegs)
vector predicate registers (QRegs)
temporary registers for intermediate values
store buffer (masked stores and scatter/gather)
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
The fallback code in cpu_loop_exit_sigsegv is sufficient
for hexagon linux-user.
Remove the code from cpu_loop that raises SIGSEGV.
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Change SET_USR_FIELD to write to hex_new_value[HEX_REG_USR] instead
of hex_gpr[HEX_REG_USR].
Then, we need code to mark the instructions that can set implicitly
set USR
- Macros added to hex_common.py
- A_FPOP added in translate.c
Test case added in tests/tcg/hexagon/overflow.c
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Change additional tcg_const_tl to tcg_constant_tl
Note that gen_pred_cancal had slot_mask initialized with tcg_const_tl.
However, it is not constant throughout, so we initialize it with
tcg_temp_new and replace the first use with the constant value.
Inspired-by: Richard Henderson <richard.henderson@linaro.org>
Inspired-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
GDB single-stepping is now handled generically.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The function is trivial for user-only, but still must be present.
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Replace uses of tcg_const_* with the allocate and free close together.
Inspired-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211003004750.3608983-3-f4bug@amsat.org>
The gen_pred_cancel() function, introduced in commit a646e99cb9
(Hexagon macros) doesn't use the 'one' TCG temporary; remove it.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211003004750.3608983-2-f4bug@amsat.org>
When a packet has 2 stores, either both commit or neither commit.
At the beginning of gen_commit_packet, we check for multiple stores.
If there are multiple stores, call a helper that will probe each of
them before proceeding with the commit.
Note that we don't call the probe helper for packets with only one
store. Therefore, we call process_store_log before anything else
involved in committing the packet.
We also fix a typo in the comment in process_store_log.
Test case added in tests/tcg/hexagon/hex_sigsegv.c
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1633036599-7637-1-git-send-email-tsimpson@quicinc.com>
There is nothing target specific about this. The implementation
is host specific, but the declaration is 100% common.
Reviewed-By: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
[rth: Split out of a larger patch.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
the signal handler was not called.
Patch 1/2 fixes the Hexagon target
Patch 2/2 drops include qemu.h from target/hexagon/op_helper.c
**** Changes in v2 ****
Drop changes to linux-test.c due to intermittent failures on riscv
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Merge remote-tracking branch 'remotes/quic/tags/pull-hex-20210725' into staging
The Hexagon target was silently failing the SIGSEGV test because
the signal handler was not called.
Patch 1/2 fixes the Hexagon target
Patch 2/2 drops include qemu.h from target/hexagon/op_helper.c
**** Changes in v2 ****
Drop changes to linux-test.c due to intermittent failures on riscv
# gpg: Signature made Sun 25 Jul 2021 22:39:38 BST
# gpg: using RSA key 7B0244FB12DE4422
# gpg: Good signature from "Taylor Simpson (Rock on) <tsimpson@quicinc.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 3635 C788 CE62 B91F D4C5 9AB4 7B02 44FB 12DE 4422
* remotes/quic/tags/pull-hex-20210725:
target/hexagon: Drop include of qemu.h
Hexagon (target/hexagon) remove put_user_*/get_user_*
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The qemu.h file is a CONFIG_USER_ONLY header; it doesn't appear on
the include path for softmmu builds. Currently we include it
unconditionally in target/hexagon/op_helper.c. We used to need it
for the put_user_*() and get_user_*() functions, but now that we have
removed the uses of those from op_helper.c, the only reason it's
still there is that we're implicitly relying on it pulling in some
other headers.
Explicitly include the headers we need for other functions, and drop
the include of qemu.h.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20210717103017.20491-1-peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Replace put_user_* with cpu_st*_data_ra
Replace get_user_* with cpu_ld*_data_ra
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1626384156-6248-2-git-send-email-tsimpson@quicinc.com>
The hook is now unused, with breakpoints checked outside translation.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1622589584-22571-5-git-send-email-tsimpson@quicinc.com>
Previously the store-conditional code was writing to hex_pred[prednum].
Then, the fGEN_TCG override was reading from there to the destination
variable so that the packet commit logic would handle it properly.
The correct implementation is to write to the destination variable
and don't have the extra read in the override.
Remove the unused arguments from gen_store_conditional[48]
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1622589584-22571-4-git-send-email-tsimpson@quicinc.com>
Y4_l2fetch == l2fetch(Rs32, Rt32)
Y5_l2fetch == l2fetch(Rs32, Rtt32)
The semantics for these instructions are present, but the encodings
are missing.
Note that these are treated as nops in qemu, so we add overrides.
Test case added to tests/tcg/hexagon/misc.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1622589584-22571-3-git-send-email-tsimpson@quicinc.com>
Change fLSBNEW/fLSBNEW0/fLSBNEW1 from copy to "x & 1"
Remove gen_logical_not function
Clean up fLSBNEWNOT to use andi-1 followed by xori-1
Test cases added to tests/tcg/hexagon/misc.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1622589584-22571-2-git-send-email-tsimpson@quicinc.com>
We no longer have any runtime modifications to this struct,
so declare them all const.
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20210227232519.222663-3-richard.henderson@linaro.org>
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-6.1-pull-request' into staging
Trivial patches pull request 20210503
# gpg: Signature made Mon 03 May 2021 09:34:56 BST
# gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier2/tags/trivial-branch-for-6.1-pull-request: (23 commits)
hw/rx/rx-gdbsim: Do not accept invalid memory size
docs: More precisely describe memory-backend-*::id's user
scripts: fix generation update-binfmts templates
docs/system: Document the removal of "compat" property for POWER CPUs
mc146818rtc: put it into the 'misc' category
Do not include exec/address-spaces.h if it's not really necessary
Do not include cpu.h if it's not really necessary
Do not include hw/boards.h if it's not really necessary
Do not include sysemu/sysemu.h if it's not really necessary
hw: Do not include qemu/log.h if it is not necessary
hw: Do not include hw/irq.h if it is not necessary
hw: Do not include hw/sysbus.h if it is not necessary
hw: Remove superfluous includes of hw/hw.h
ui: Fix memory leak in qemu_xkeymap_mapping_table()
hw/usb: Constify VMStateDescription
hw/display/qxl: Constify VMStateDescription
hw/arm: Constify VMStateDescription
vmstate: Constify some VMStateDescriptions
Fix typo in CFI build documentation
hw/pcmcia: Do not register PCMCIA type if not required
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Many files include qemu/log.h without needing it. Remove the superfluous
include statements.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20210328054833.2351597-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The following instruction is added
S2_cabacdecbin Rdd32=decbin(Rss32,Rtt32)
Test cases added to tests/tcg/hexagon/misc.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-27-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rdd32 = add(Rss32, Rtt32, Px4):carry
Add with carry
Rdd32 = sub(Rss32, Rtt32, Px4):carry
Sub with carry
Test cases in tests/tcg/hexagon/multi_result.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-22-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rdd32,Pe4 = vminub(Rtt32, Rss32)
Vector min of bytes
Test cases in tests/tcg/hexagon/multi_result.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-21-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rxx32,Pe4 = vacsh(Rss32, Rtt32)
Add compare and select elements of two vectors
Test cases in tests/tcg/hexagon/multi_result.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-20-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rd32,Pe4 = sfinvsqrta(Rs32)
Square root approx
The helper packs the 2 32-bit results into a 64-bit value,
and the fGEN_TCG override unpacks them into the proper results.
Test cases in tests/tcg/hexagon/multi_result.c
FP exception tests added to tests/tcg/hexagon/fpstuff.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-19-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rd32,Pe4 = sfrecipa(Rs32, Rt32)
Recripocal approx
Test cases in tests/tcg/hexagon/multi_result.c
FP exception tests added to tests/tcg/hexagon/fpstuff.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-18-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Change #if HEX_DEBUG to if (HEX_DEBUG) so the debug code doesn't bit rot
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-17-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-16-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Include size in declaration
Remove {0, 0} entry
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-15-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Change (cond ? (res = x) : (res = y)) to res = (cond ? x : y)
This makes the semnatics easier to for idef-parser to deal with
The following instructions are impacted
C2_any8
C2_all8
C2_mux
C2_muxii
C2_muxir
C2_muxri
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-14-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Use the proper return for helpers that convert to unsigned
Remove target/hexagon/conv_emu.[ch]
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-13-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-12-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-11-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-10-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-9-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-8-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Multiple writes to the same preg are and'ed together. Rather than
generating a runtime check, we can determine at TCG generation time
if the predicate has previously been written in the packet.
Test added to tests/tcg/hexagon/misc.c
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-7-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
When exiting a TB, generate all the code before returning from
hexagon_tr_translate_packet so that nothing needs to be done in
hexagon_tr_tb_stop.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-6-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Remove hexagon_env_get_cpu and replace with env_archcpu
Replace CPU(hexagon_env_get_cpu(env)) with env_cpu(env)
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-5-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-4-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Similar to previous cleanup of gen_log_predicated_reg_write
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-3-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Simplify TCG generation of hex_reg_written
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-2-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reported-by: Richard Henderson <<richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615784100-26459-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615784115-26559-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reported-by: Richard Henderson <<richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615784049-26215-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reported-by: Richard Henderson <<richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615784037-26129-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Change cpu_ldl_code to translator_ldl.
Don't end the TB after every packet when HEX_DEBUG is on.
Make gen_check_store_width a simple call.
Reported-by: Richard Henderson <<richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615783984-25918-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Python scripts are not inputs, and putting them in @INPUT@. This
puts requirements on the command line format, keeping all inputs
close to the name of the script. Avoid that by not including the
script in the command and not in the inputs.
Also wrap "PYTHONPATH" usage with "env", since setting the environment
this way is not valid under Windows.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
gen_semantics is an executable, not an input. Meson 0.57 special cases
the first argument and @INPUT@ is not expanded there. Fix that by
not including it in the input, only in the command.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fix a trivial incorrect usage of variable argument macros detected
by Coverity (missing_va_end: va_end was not called for ap).
Fixes: Coverity CID 1446720 (VARARGS)
Fixes: e3c00c2ed7 ("Hexagon (target/hexagon) opcode data structures")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20210223111253.2831285-1-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add file to default-configs
Add hexagon to meson.build
Add hexagon to target/meson.build
Add target/hexagon/meson.build
Change scripts/qemu-binfmt-conf.sh
We can build a hexagon-linux-user target and run programs on
the Hexagon scalar core. With hexagon-linux-clang installed,
"make check-tcg" will pass.
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-35-git-send-email-tsimpson@quicinc.com>
[rth: Use top-level python variable]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Read the instruction memory
Create a packet data structure
Generate TCG code for the start of the packet
Invoke the generate function for each instruction
Generate TCG code for the end of the packet
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1612763186-18161-30-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The imported code uses host floating point. We override them
to use qemu softfloat
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-29-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Helpers won't work if there are multiple definitions, so we override these
instructions using #define fGEN_TCG_<tag>.
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1612763186-18161-28-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Include the generated files and set up the data structures
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1612763186-18161-27-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Determine legal VLIW slots for each instruction
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-26-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
macros to interface with the generator
macros referenced in instruction semantics
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-25-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1612763186-18161-24-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Python script that emits the decode tree in dectree_generated.h.
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-23-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Run the C preprocessor across the instruction definition and encoding
files to expand macros and prepare the iset.py file. The resulting
fill contains python data structures used to build the decode tree.
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-22-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Python scripts generate the following files
helper_protos_generated.h.inc
For each instruction we create DEF_HELPER function prototype
helper_funcs_generated.c.inc
For each instruction we create the helper function definition
tcg_funcs_generated.c.inc
For each instruction we create TCG code to generate call to helper
tcg_func_table_generated.c.inc
Table of function pointers indexed by opcode
shortcode_generated.h.inc
Generate a table of instruction "shortcode" semantics
opcodes_def_generated.h.inc
Gives a list of all the opcodes
op_attribs_generated.h.inc
Lists all the attributes associated with each instruction
op_regs_generated.h.inc
Lists the register and immediate operands for each instruction
printinsn_generated.h.inc
Data for printing (disassembling) each instruction (format
string + operands)
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-21-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Run the C preprocessor across the instruction definition files and macro
definition file to expand macros and prepare the semantics_generated.pyinc
file. The resulting file contains one entry with the semantics for each
instruction and one line with the instruction attributes associated with
each macro.
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-20-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Imported from the Hexagon architecture library
imported/macros.def
The macro definitions specify instruction attributes that are applied
to each instruction that references the macro. The generator will
recursively apply attributes to each instruction that used the macro.
imported/allidefs.def
Top level instruction definition file
imported/*.idef
Instruction definition files
These files are input to the first phase of the generator
(gen_semantics.c) to create a python include file with the
instruction semantics and attributes. The python include
file is fed to the second phase to generate various header files.
imported/encode*.def
Instruction encoding bit patterns for every instruction
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-19-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1612763186-18161-18-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1612763186-18161-17-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1612763186-18161-16-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-15-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Take the words from instruction memory and build a packet_t for TCG code
generation
The following operations are performed
Convert the .new encoded offset to the register number of the producer
Reorder the packet so .new producer is before consumer
Apply constant extenders
Separate subinsn's into two instructions
Break compare-jumps into two instructions
Create instructions for :endloop
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-14-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-13-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Declare bitfields within registers such as user status register (USR)
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-12-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The insn_t and packet_t are the interface between instruction decoding and
TCG code generation
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-11-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Define types used in files imported from the Hexagon architecture library
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1612763186-18161-10-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
GDB register read and write routines
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1612763186-18161-9-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The majority of helpers are generated. Define the helper functions needed
then include the generated file
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1612763186-18161-8-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1612763186-18161-7-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add target state header, target definitions and initialization routines
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1612763186-18161-5-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Gives an introduction and overview to the Hexagon target
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1612763186-18161-3-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
