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>
Zongyuan Li
Taylor Simpson
Michael Lambert
Philippe Mathieu-Daudé
Peter Maydell
Richard Henderson