Commit Graph

2774 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
ec2297bda2 tcg: Reduce tcg_assert_listed_vecop() scope
tcg_assert_listed_vecop() is only used in tcg-op-vec.c.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230629091107.74384-1-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-07-01 08:26:54 +02:00
Richard Henderson
a0eaae08c7 accel/tcg: Renumber TLB_DISCARD_WRITE
Move to fill a hole in the set of bits.
Reduce the total number of tlb bits by 1.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-26 17:33:00 +02:00
Richard Henderson
c914d46d0a tcg: Do not elide memory barriers for !CF_PARALLEL in system mode
The virtio devices require proper memory ordering between
the vcpus and the iothreads.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-26 17:33:00 +02:00
Max Chou
70bfde9a7d tcg: Fix temporary variable in tcg_gen_gvec_andcs
The 5th parameter of tcg_gen_gvec_2s should be replaced by the
temporary tmp variable in the tcg_gen_gvec_andcs function.

Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Max Chou <max.chou@sifive.com>
Message-Id: <20230622161646.32005-9-max.chou@sifive.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-26 17:33:00 +02:00
Fei Wu
1b65b4f54c accel/tcg: remove CONFIG_PROFILER
TBStats will be introduced to replace CONFIG_PROFILER totally, here
remove all CONFIG_PROFILER related stuffs first.

Signed-off-by: Vanderson M. do Rosario <vandersonmr2@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Fei Wu <fei2.wu@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230607122411.3394702-2-fei2.wu@intel.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-26 17:33:00 +02:00
Philippe Mathieu-Daudé
de6cd7599b meson: Replace softmmu_ss -> system_ss
We use the user_ss[] array to hold the user emulation sources,
and the softmmu_ss[] array to hold the system emulation ones.
Hold the latter in the 'system_ss[]' array for parity with user
emulation.

Mechanical change doing:

  $ sed -i -e s/softmmu_ss/system_ss/g $(git grep -l softmmu_ss)

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230613133347.82210-10-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-20 10:01:30 +02:00
Richard Henderson
dc8a8cc879 tcg/ppc: Define _CALL_AIX for clang on ppc64(be)
Restructure the ifdef ladder, separating 64-bit from 32-bit,
and ensure _CALL_AIX is set for ELF v1.  Fixes the build for
ppc64 big-endian host with clang.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-20 10:01:30 +02:00
Richard Henderson
3673ad3896 tcg/tci: Fix MemOpIdx operand index for 3-operand memops
Cut and paste error from the 4-operand memops.

Fixes: ab64da7977 ("tcg/tci: Adjust passing of MemOpIdx")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230608162925.677598-1-richard.henderson@linaro.org>
2023-06-09 08:30:56 -07:00
Richard Henderson
0cabaef3ed tcg/tci: Adjust call-clobbered regs for int128_t
We require either 2 or 4 registers to hold int128_t.
Failure to do so results in a register allocation assert.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-07 08:33:52 -07:00
Richard Henderson
ab64da7977 tcg/tci: Adjust passing of MemOpIdx
Since adding MO_ATOM_MASK, the maximum MemOpIdx requires 15 bits,
which overflows the 12 bit field allocated for TCI memory ops.
Expand the field to 16 bits for 2-operand memory ops, and place
the value in TCG_REG_TMP for 3-operand memory ops (same as we
already do for 4-operand memory ops).

Cures a debug assert for aarch64, with FEAT_LSE2 enabled.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-07 08:33:45 -07:00
Philippe Mathieu-Daudé
a7f6911c12 tcg/tcg-op-vec: Remove left over _link_error() definitions
In commit d56fea79f9 ("tcg: Move TCG_{LOW,HIGH} to tcg-internal.h")
we replaced the "_link_error" definitions with modern QEMU_ERROR()
attribute markup. We covered tcg-op.c but forgot to completely
clean tcg-op-vec.c. Do it now.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230605175647.88395-3-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:20:16 -07:00
Richard Henderson
514fea9eaf tcg: Build once for system and once for user-only
Create two static libraries for use by each execution mode.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
cac9b0fd08 tcg: Remove target-specific headers from tcg.[ch]
This finally paves the way for tcg/ to be built once per mode.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
649795665f tcg: Fix PAGE/PROT confusion
The bug was hidden because they happen to have the same values.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
bdbb9d6999 tcg: Spit out exec/translation-block.h
This is all that is required by tcg/ from exec-all.h.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
0a18945d03 tcg: Remove NO_CPU_IO_DEFS
From this remove, it's no longer clear what this is attempting
to protect.  The last time a use of this define was added to
the source tree, as opposed to merely moved around, was 2008.
There have been many cleanups since that time and this is
no longer required for the build to succeed.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
447ca1cbfa tcg: Split tcg/tcg-op-gvec.h
Create tcg/tcg-op-gvec-common.h, moving everything that does not
concern TARGET_LONG_BITS.  Adjust tcg-op-gvec.c to use the new header.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
3a80bde37b tcg: Move TLB_FLAGS_MASK check out of get_alignment_bits
The replacement isn't ideal, as the raw count of bits
is not easily synced with exec/cpu-all.h, but it does
remove from tcg.h the target dependency on TARGET_PAGE_BITS_MIN
which is built into TLB_FLAGS_MASK.

Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
28ea568a03 tcg: Add guest_mo to TCGContext
This replaces of TCG_GUEST_DEFAULT_MO in tcg-op-ldst.c.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
747bd69d0f tcg: Add insn_start_words to TCGContext
This will enable replacement of TARGET_INSN_START_WORDS in tcg.c.
Split out "tcg/insn-start-words.h" and use it in target/.

Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
a3a692b8bf tcg: Split tcg_gen_callN
Make tcg_gen_callN a static function.  Create tcg_gen_call[0-7]
functions for use by helper-gen.h.inc.

Removes a multiplicty of calls to __stack_chk_fail, saving up
to 143kiB of .text space as measured on an x86_64 host.

    Old     New Less    %Change
8888680	8741816	146864	1.65%	qemu-system-aarch64
5911832	5856152	55680	0.94%	qemu-system-riscv64
5816728	5767512	49216	0.85%	qemu-system-mips64
6707832	6659144	48688	0.73%	qemu-system-ppc64

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
177f648f0e tcg: Move temp_idx and tcgv_i32_temp debug out of line
Removes a multiplicity of calls to __assert_fail, saving up
to 360kiB of .text space as measured on an x86_64 host.

Old     New     Less    %Change
9257272	8888680	368592	3.98%	qemu-system-aarch64
6100968	5911832	189136	3.10%	qemu-system-riscv64
5839112	5707032	132080	2.26%	qemu-system-mips
4447608	4341752	105856	2.38%	qemu-system-s390x

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
d53106c997 tcg: Pass TCGHelperInfo to tcg_gen_callN
In preparation for compiling tcg/ only once, eliminate
the all_helpers array.  Instantiate the info structs for
the generic helpers in accel/tcg/, and the structs for
the target-specific helpers in each translate.c.

Since we don't see all of the info structs at startup,
initialize at first use, using g_once_init_* to make
sure we don't race while doing so.

Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:29 -07:00
Richard Henderson
0f4e14c25a tcg: Move TCGHelperInfo and dependencies to tcg/helper-info.h
This will be required outside of tcg-internal.h soon.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:28 -07:00
Richard Henderson
ad3d0e4d5d tcg: Split tcg/tcg-op-common.h from tcg/tcg-op.h
Create tcg/tcg-op-common.h, moving everything that does not concern
TARGET_LONG_BITS or TCGv.  Adjust tcg/*.c to use the new header
instead of tcg-op.h, in preparation for compiling tcg/ only once.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:28 -07:00
Richard Henderson
d46259c037 tcg: Split out tcg-target-reg-bits.h
Often, the only thing we need to know about the TCG host
is the register size.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:28 -07:00
Richard Henderson
d0a9bb5ecb tcg: Add tlb_fast_offset to TCGContext
Disconnect the layout of ArchCPU from TCG compilation.
Pass the relative offset of 'env' and 'neg.tlb.f' as a parameter.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:28 -07:00
Richard Henderson
238f43809a tcg: Widen CPUTLBEntry comparators to 64-bits
This makes CPUTLBEntry agnostic to the address size of the guest.
When 32-bit addresses are in effect, we can simply read the low
32 bits of the 64-bit field.  Similarly when we need to update
the field for setting TLB_NOTDIRTY.

For TCG backends that could in theory be big-endian, but in
practice are not (arm, loongarch, riscv), use QEMU_BUILD_BUG_ON
to document and ensure this is not accidentally missed.

For s390x, which is always big-endian, use HOST_BIG_ENDIAN anyway,
to document the reason for the adjustment.

For sparc64 and ppc64, always perform a 64-bit load, and rely on
the following 32-bit comparison to ignore the high bits.

Rearrange mips and ppc if ladders for clarity.

Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:28 -07:00
Richard Henderson
40bca78d76 tcg/sparc64: Remove TARGET_LONG_BITS, TCG_TYPE_TL
All uses replaced with TCGContext.addr_type.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:28 -07:00
Richard Henderson
d588946b31 tcg/s390x: Remove TARGET_LONG_BITS, TCG_TYPE_TL
All uses replaced with TCGContext.addr_type.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:28 -07:00
Richard Henderson
8aefe1fb8a tcg/riscv: Remove TARGET_LONG_BITS, TCG_TYPE_TL
All uses replaced with TCGContext.addr_type.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:28 -07:00
Richard Henderson
79ee1b4d44 tcg/ppc: Remove TARGET_LONG_BITS, TCG_TYPE_TL
All uses replaced with TCGContext.addr_type.

Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-05 12:04:28 -07:00
Richard Henderson
194339461b tcg: Remove TCG_TARGET_TLB_DISPLACEMENT_BITS
The last use was removed by e77c89fb08.

Fixes: e77c89fb08 ("cputlb: Remove static tlb sizing")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-30 09:51:51 -07:00
Richard Henderson
4caad79f8d tcg/s390x: Support 128-bit load/store
Use LPQ/STPQ when 16-byte atomicity is required.
Note that these instructions require 16-byte alignment.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-30 09:51:11 -07:00
Richard Henderson
526cd4ec01 tcg/ppc: Support 128-bit load/store
Use LQ/STQ with ISA v2.07, and 16-byte atomicity is required.
Note that these instructions do not require 16-byte alignment.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-30 09:51:11 -07:00
Richard Henderson
929124ec0b tcg/aarch64: Support 128-bit load/store
With FEAT_LSE2, LDP/STP suffices.  Without FEAT_LSE2, use LDXP+STXP
16-byte atomicity is required and LDP/STP otherwise.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-30 09:51:11 -07:00
Richard Henderson
285a691fd2 tcg/aarch64: Simplify constraints on qemu_ld/st
Adjust the softmmu tlb to use TMP[0-2], not any of the normally available
registers.  Since we handle overlap betwen inputs and helper arguments,
we can allow any allocatable reg.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-30 09:51:11 -07:00
Richard Henderson
da4d0d95b4 tcg/aarch64: Reserve TCG_REG_TMP1, TCG_REG_TMP2
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-30 09:51:11 -07:00
Richard Henderson
d67bcbddce tcg/aarch64: Rename temporaries
We will need to allocate a second general-purpose temporary.
Rename the existing temps to add a distinguishing number.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-30 09:51:11 -07:00
Richard Henderson
098d0fc10d tcg/i386: Support 128-bit load/store
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-30 09:51:11 -07:00
Richard Henderson
723d3a276f tcg: Fix register move type in tcg_out_ld_helper_ret
The first move was incorrectly using TCG_TYPE_I32 while the second
move was correctly using TCG_TYPE_REG.  This prevents a 64-bit host
from moving all 128-bits of the return value.

Fixes: ebebea53ef ("tcg: Support TCG_TYPE_I128 in tcg_out_{ld,st}_helper_{args,ret}")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2023-05-30 09:51:11 -07:00
Richard Henderson
a30498fcea tcg/riscv: Support CTZ, CLZ from Zbb
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 15:29:36 +00:00
Richard Henderson
a18d783e64 tcg/riscv: Implement movcond
Implement with and without Zicond.  Without Zicond, we were letting
the middle-end expand to a 5 insn sequence; better to use a branch
over a single insn.

Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 15:29:36 +00:00
Richard Henderson
f6453695f9 tcg/riscv: Improve setcond expansion
Split out a helper function, tcg_out_setcond_int, which does not
always produce the complete boolean result, but returns a set of
flags to do so.

Based on 21af161984, the same improvement for loongarch64.

Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 15:29:30 +00:00
Richard Henderson
0956ecda9f tcg/riscv: Support CPOP from Zbb
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 13:57:53 +00:00
Richard Henderson
7b4d527427 tcg/riscv: Support REV8 from Zbb
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 13:57:53 +00:00
Richard Henderson
19d016ad97 tcg/riscv: Support rotates from Zbb
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 13:57:53 +00:00
Richard Henderson
eda1515996 tcg/riscv: Use ADD.UW for guest address generation
The instruction is a combined zero-extend and add.
Use it for exactly that.

Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 13:57:52 +00:00
Richard Henderson
d1c3f4e9ed tcg/riscv: Support ADD.UW, SEXT.B, SEXT.H, ZEXT.H from Zba+Zbb
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 13:57:52 +00:00
Richard Henderson
99f4ec6eab tcg/riscv: Support ANDN, ORN, XNOR from Zbb
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 13:57:52 +00:00