Commit Graph

6625 Commits

Author SHA1 Message Date
Taylor Simpson
c0336c87b7 Hexagon (target/hexagon) use softfloat default NaN and tininess
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
8c36752435 Hexagon (target/hexagon) change type of softfloat_roundingmodes
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
85511161f7 Hexagon (target/hexagon) remove unused carry_from_add64 function
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
92cfa25fd2 Hexagon (target/hexagon) change variables from int to bool when appropriate
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
6c677c60ae Hexagon (target/hexagon) decide if pred has been written at TCG gen time
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
743debbc37 Hexagon (target/hexagon) properly generate TB end for DISAS_NORETURN
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
7d9ab2021f Hexagon (target/hexagon) use env_archcpu and env_cpu
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
2d27cebbf8 Hexagon (target/hexagon) remove unnecessary inline directives
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
edf26ade43 Hexagon (target/hexagon) cleanup gen_log_predicated_reg_write_pair
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
d799f8ad08 Hexagon (target/hexagon) TCG generation cleanup
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
5f261764ce target/hexagon: remove unnecessary semicolons
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
d9099caf04 target/hexagon: fix typo in comment
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>
2021-05-01 08:31:43 -07:00
Taylor Simpson
1de468b398 target/hexagon: Change DECODE_MAPPED_REG operand name to OPNUM
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>
2021-05-01 08:31:42 -07:00
Taylor Simpson
4c82c2b433 target/hexagon: remove unnecessary checks in find_iclass_slots
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>
2021-05-01 08:31:42 -07:00
Taylor Simpson
a27c100c23 target/hexagon: translation changes
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>
2021-05-01 08:31:42 -07:00
Richard Henderson
0ca0f8720a target/arm: Enforce alignment for sve LD1R
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-32-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
37abe399df target/arm: Enforce alignment for aa64 vector LDn/STn (single)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-31-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
c8f638d99a target/arm: Enforce alignment for aa64 vector LDn/STn (multiple)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-30-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
a9e89e539e target/arm: Use MemOp for size + endian in aa64 vector ld/st
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-29-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
acb07e08d6 target/arm: Enforce alignment for aa64 load-acq/store-rel
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-28-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
4044a3cd1c target/arm: Use finalize_memop for aa64 fpr load/store
For 128-bit load/store, use 16-byte alignment.  This
requires that we perform the two operations in the
correct order so that we generate the alignment fault
before modifying memory.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-27-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
dc82164229 target/arm: Use finalize_memop for aa64 gpr load/store
In the case of gpr load, merge the size and is_signed arguments;
otherwise, simply convert size to memop.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-26-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
88976ff0a4 target/arm: Enforce alignment for VLDn/VSTn (single)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-25-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
7c68c196cf target/arm: Enforce alignment for VLDn/VSTn (multiple)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-24-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
a8502b37f6 target/arm: Enforce alignment for VLDn (all lanes)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-23-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
6cd623d166 target/arm: Enforce alignment for VLDR/VSTR
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-22-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
ad9aeae1a9 target/arm: Enforce alignment for VLDM/VSTM
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-21-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
2fd0800c68 target/arm: Enforce alignment for SRS
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-20-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
c0c7f66087 target/arm: Enforce alignment for RFE
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
2e1f39e29b target/arm: Enforce alignment for LDM/STM
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-18-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:51 +01:00
Richard Henderson
824efdf525 target/arm: Enforce alignment for LDA/LDAH/STL/STLH
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-17-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
4d753eb5fb target/arm: Enforce word alignment for LDRD/STRD
Buglink: https://bugs.launchpad.net/qemu/+bug/1905356
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-16-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
abe66294e1 target/arm: Adjust gen_aa32_{ld, st}_i64 for align+endianness
Adjust the interface to match what has been done to the
TCGv_i32 load/store functions.

This is less obvious, because at present the only user of
these functions, trans_VLDST_multiple, also wants to manipulate
the endianness to speed up loading multiple bytes.  Thus we
retain an "internal" interface which is identical to the
current gen_aa32_{ld,st}_i64 interface.

The "new" interface will gain users as we remove the legacy
interfaces, gen_aa32_ld64 and gen_aa32_st64.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-15-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
9565ac4cc7 target/arm: Fix SCTLR_B test for TCGv_i64 load/store
Just because operating on a TCGv_i64 temporary does not
mean that we're performing a 64-bit operation.  Restrict
the frobbing to actual 64-bit operations.

This bug is not currently visible because all current
users of these two functions always pass MO_64.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-14-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
37bf7a055f target/arm: Merge gen_aa32_frob64 into gen_aa32_ld_i64
This is the only caller.  Adjust some commentary to talk
about SCTLR_B instead of the vanishing function.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-13-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
9d486b40e8 target/arm: Adjust gen_aa32_{ld, st}_i32 for align+endianness
Create a finalize_memop function that computes alignment and
endianness and returns the final MemOp for the operation.

Split out gen_aa32_{ld,st}_internal_i32 which bypasses any special
handling of endianness or alignment.  Adjust gen_aa32_{ld,st}_i32
so that s->be_data is not added by the callers.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
4479ec30c9 target/arm: Add ALIGN_MEM to TBFLAG_ANY
Use this to signal when memory access alignment is required.
This value comes from the CCR register for M-profile, and
from the SCTLR register for A-profile.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
eee81d41ec target/arm: Move TBFLAG_ANY bits to the bottom
Now that other bits have been moved out of tb->flags,
there's no point in filling from the top.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
5896f39253 target/arm: Move TBFLAG_AM32 bits to the top
Now that these bits have been moved out of tb->flags,
where TBFLAG_ANY was filling from the top, move AM32
to fill from the top, and A32 and M32 to fill from the
bottom.  This means fewer changes when adding new bits.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
a378206a20 target/arm: Move mode specific TB flags to tb->cs_base
Now that we have all of the proper macros defined, expanding
the CPUARMTBFlags structure and populating the two TB fields
is relatively simple.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
3902bfc6f0 target/arm: Introduce CPUARMTBFlags
In preparation for splitting tb->flags across multiple
fields, introduce a structure to hold the value(s).
So far this only migrates the one uint32_t and fixes
all of the places that require adjustment to match.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
a729a46b05 target/arm: Add wrapper macros for accessing tbflags
We're about to split tbflags into two parts.  These macros
will ensure that the correct part is used with the correct
set of bits.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
ae6eb1e9b3 target/arm: Rename TBFLAG_ANY, PSTATE_SS
We're about to rearrange the macro expansion surrounding tbflags,
and this field name will be expanded using the bit definition of
the same name, resulting in a token pasting error.

So PSTATE_SS -> PSTATE__SS in the uses, and document it.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:50 +01:00
Richard Henderson
6a01eab7d8 target/arm: Rename TBFLAG_A32, SCTLR_B
We're about to rearrange the macro expansion surrounding tbflags,
and this field name will be expanded using the bit definition of
the same name, resulting in a token pasting error.

So SCTLR_B -> SCTLR__B in the 3 uses, and document it.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:49 +01:00
Richard Henderson
a736cbc303 target/arm: Fix decode of align in VLDST_single
The encoding of size = 2 and size = 3 had the incorrect decode
for align, overlapping the stride field.  This error was hidden
by what should have been unnecessary masking in translate.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:49 +01:00
Richard Henderson
33e74c3172 target/arm: Remove log2_esize parameter to gen_mte_checkN
The log2_esize parameter is not used except trivially.
Drop the parameter and the deferral to gen_mte_check1.

This fixes a bug in that the parameters as documented
in the header file were the reverse from those in the
implementation.  Which meant that translate-sve.c was
passing the parameters in the wrong order.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210416183106.1516563-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:49 +01:00
Richard Henderson
4c3310c73f target/arm: Simplify sve mte checking
Now that mte_check1 and mte_checkN have been merged, we can
merge sve_cont_ldst_mte_check1 and sve_cont_ldst_mte_checkN.

Which means that we can eliminate the function pointer into
sve_ldN_r and sve_stN_r, calling sve_cont_ldst_mte_check directly.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210416183106.1516563-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:49 +01:00
Richard Henderson
d304d280b3 target/arm: Rename mte_probe1 to mte_probe
For consistency with the mte_check1 + mte_checkN merge
to mte_check, rename the probe function as well.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210416183106.1516563-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:49 +01:00
Richard Henderson
bd47b61c5e target/arm: Merge mte_check1, mte_checkN
The mte_check1 and mte_checkN functions are now identical.
Drop mte_check1 and rename mte_checkN to mte_check.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210416183106.1516563-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:49 +01:00
Richard Henderson
28f3250306 target/arm: Replace MTEDESC ESIZE+TSIZE with SIZEM1
After recent changes, mte_checkN does not use ESIZE,
and mte_check1 never used TSIZE.  We can combine the
two into a single field: SIZEM1.

Choose to pass size - 1 because size == 0 is never used,
our immediate need in mte_probe_int is for the address
of the last byte (ptr + size - 1), and since almost all
operations are powers of 2, this makes the immediate
constant one bit smaller.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210416183106.1516563-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-04-30 11:16:49 +01:00