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2023-01-05tcg: Add TCGHelperInfo argument to tcg_out_callRichard Henderson1-3/+4
This eliminates an ifdef for TCI, and will be required for expanding the call for TCGv_i128. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-05tcg: Replace TCG_TARGET_EXTEND_ARGS with TCG_TARGET_CALL_ARG_I32Richard Henderson1-1/+5
For 64-bit hosts that had TCG_TARGET_EXTEND_ARGS, set TCG_TARGET_CALL_ARG_I32 to TCG_CALL_ARG_EXTEND. Otherwise, use TCG_CALL_ARG_NORMAL. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-05tcg: Replace TCG_TARGET_CALL_ALIGN_ARGS with TCG_TARGET_CALL_ARG_I64Richard Henderson1-13/+8
For 32-bit hosts when TCG_TARGET_CALL_ALIGN_ARGS was set, use TCG_CALL_ARG_EVEN. For 64-bit hosts, TCG_TARGET_CALL_ALIGN_ARGS was silently ignored, so always use TCG_CALL_ARG_NORMAL. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-04tcg: Cleanup trailing whitespaceRichard Henderson1-1/+1
Remove whitespace at end of line, plus one place this also highlights some missing braces. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-10-04tcg/ppc: Optimize 26-bit jumpsLeandro Lupori1-31/+88
PowerPC64 processors handle direct branches better than indirect ones, resulting in less stalled cycles and branch misses. However, PPC's tb_target_set_jmp_target() was only using direct branches for 16-bit jumps, while PowerPC64's unconditional branch instructions are able to handle displacements of up to 26 bits. To take advantage of this, now jumps whose displacements fit in between 17 and 26 bits are also converted to direct branches. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Leandro Lupori <leandro.lupori@eldorado.org.br> [rth: Expanded some commentary.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-20tcg/ppc: implement rem[u]_i{32,64} with mod[su][wd]Matheus Kowalczuk Ferst1-0/+22
Power ISA v3.0 introduced mod[su][wd] insns that can be used to implement rem[u]_i{32,64}. Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-05-26tcg/ppc: Optimize memory ordering generation with lwsyncNicholas Piggin1-3/+6
lwsync orders more than just LD_LD, importantly it matches x86 and s390 default memory ordering. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220519135908.21282-4-npiggin@gmail.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-05-26tcg/ppc: ST_ST memory ordering is not provided with eieioNicholas Piggin1-2/+0
eieio does not provide ordering between stores to CI memory and stores to cacheable memory so it can't be used as a general ST_ST barrier. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-of-by: Nicholas Piggin <npiggin@gmail.com> Message-Id: <20220519135908.21282-3-npiggin@gmail.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-05-26target/ppc: declare vmsumuh[ms] helper with call flagsMatheus Ferst1-0/+1
Move vmsumuhm and vmsumuhs to decodetree, declare vmsumuhm helper with TCG_CALL_NO_RWG, and drop the unused env argument. Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220517123929.284511-12-matheus.ferst@eldorado.org.br> [danielhb: added #undef VMSUMUHM to fix ppc64 build] Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-04-06Replace config-time define HOST_WORDS_BIGENDIANMarc-André Lureau1-5/+5
Replace a config-time define with a compile time condition define (compatible with clang and gcc) that must be declared prior to its usage. This avoids having a global configure time define, but also prevents from bad usage, if the config header wasn't included before. This can help to make some code independent from qemu too. gcc supports __BYTE_ORDER__ from about 4.6 and clang from 3.2. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> [ For the s390x parts I'm involved in ] Acked-by: Halil Pasic <pasic@linux.ibm.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220323155743.1585078-7-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-04tcg/ppc: Implement vector NAND, NOR, EQVRichard Henderson1-0/+15
Tested-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-02target/ppc: moved vector even and odd multiplication to decodetreeLucas Mateus Castro (alqotel)1-0/+6
Moved the instructions vmulesb, vmulosb, vmuleub, vmuloub, vmulesh, vmulosh, vmuleuh, vmulouh, vmulesw, vmulosw, muleuw and vmulouw from legacy to decodetree. Implemented the instructions vmulesd, vmulosd, vmuleud, vmuloud. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220225210936.1749575-3-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-02-09tcg/ppc: Support raising sigbus for user-onlyRichard Henderson1-8/+90
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-01-08exec/memop: Adding signedness to quad definitionsFrédéric Pétrot1-8/+8
Renaming defines for quad in their various forms so that their signedness is now explicit. Done using git grep as suggested by Philippe, with a bit of hand edition to keep assignments aligned. Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220106210108.138226-2-frederic.petrot@univ-grenoble-alpes.fr Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-10-05tcg: Rename TCGMemOpIdx to MemOpIdxRichard Henderson1-5/+5
We're about to move this out of tcg.h, so rename it as we did when moving MemOp. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-10-05tcg: Expand MO_SIZE to 3 bitsRichard Henderson1-4/+4
We have lacked expressive support for memory sizes larger than 64-bits for a while. Fixing that requires adjustment to several points where we used this for array indexing, and two places that develop -Wswitch warnings after the change. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-09-14tcg/ppc: Ensure _CALL_SYSV is set for 32-bit ELFRichard Henderson1-3/+18
Clang only sets _CALL_ELF for ppc64, and nothing at all to specify the ABI for ppc32. Make a good guess based on other symbols. Reported-by: Brad Smith <brad@comstyle.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-09-14tcg/ppc: Replace TCG_TARGET_CALL_DARWIN with _CALL_DARWINRichard Henderson1-4/+4
If __APPLE__, ensure that _CALL_DARWIN is set, then remove our local TCG_TARGET_CALL_DARWIN. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-29tcg/ppc: Use power10 byte-reverse instructionsRichard Henderson1-0/+34
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-29tcg/ppc: Support bswap flagsRichard Henderson1-6/+16
For INDEX_op_bswap32_i32, pass 0 for flags: input not zero-extended, output does not need extension within the host 64-bit register. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-29tcg/ppc: Split out tcg_out_bswap64Richard Henderson1-30/+34
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-29tcg/ppc: Split out tcg_out_bswap32Richard Henderson1-16/+22
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-29tcg/ppc: Split out tcg_out_bswap16Richard Henderson1-15/+19
With the use of a suitable temporary, we can use the same algorithm when src overlaps dst. The result is the same number of instructions either way. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-29tcg/ppc: Split out tcg_out_sari{32,64}Richard Henderson1-4/+13
We will shortly require sari in other context; split out both for cleanliness sake. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-29tcg/ppc: Split out tcg_out_ext{8,16,32}sRichard Henderson1-10/+21
We will shortly require these in other context; make the expansion as clear as possible. 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>
2021-06-04tcg: Change parameters for tcg_target_const_matchRichard Henderson1-3/+1
Change the return value to bool, because that's what is should have been from the start. Pass the ct mask instead of the whole TCGArgConstraint, as that's the only part that's relevant. Change the value argument to int64_t. We will need the extra width for 32-bit hosts wanting to match vector constants. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-03-17tcg: Fix prototypes for tcg_out_vec_op and tcg_out_opMiroslav Rezanina1-3/+5
There are two different versions of prototype for tcg_out_op and tcg_out_vec_op functions: 1) using const TCGArg *args and const int *const_args arguments 2) using const TCGArg args[TCG_MAX_OP_ARGS] and const int const_args[TCG_MAX_OP_ARGS] aguments. This duality causes warnings on GCC 11 and prevents build using --enable-werror. As second version provides more information, unify functions prototypes to this variant. Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com> Message-Id: <20210312121418.139093-1-mrezanin@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-02-02tcg/ppc: Split out constraint sets to tcg-target-con-set.hRichard Henderson1-81/+57
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-02-02tcg/ppc: Split out target constraints to tcg-target-con-str.hRichard Henderson1-58/+15
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-13tcg/ppc: Use tcg_constant_vec with tcg vec expandersRichard Henderson1-17/+27
Improve expand_vec_shi to use sign-extraction for MO_32. This allows a single VSPLTISB instruction to load all of the valid shift constants. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-13tcg: Remove movi and dupi opcodesRichard Henderson1-3/+0
These are now completely covered by mov from a TYPE_CONST temporary. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-13tcg: Increase tcg_out_dupi_vec immediate to int64_tRichard Henderson1-13/+24
While we don't store more than tcg_target_long in TCGTemp, we shouldn't be limited to that for code generation. We will be able to use this for INDEX_op_dup2_vec with 2 constants. Also pass along the minimal vece that may be said to apply to the constant. This allows some simplification in the various backends. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-13tcg: Use tcg_out_dupi_vec from temp_loadRichard Henderson1-6/+0
Having dupi pass though movi is confusing and arguably wrong. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg: Constify TCGLabelQemuLdst.raddrRichard Henderson1-2/+1
Now that all native tcg hosts support splitwx, make this pointer const. Reviewed-by: Joelle van Dyne <j@getutm.app> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg: Constify tcg_code_gen_epilogueRichard Henderson1-2/+1
Now that all native tcg hosts support splitwx, make this pointer const. Reviewed-by: Joelle van Dyne <j@getutm.app> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg/ppc: Support split-wx code generationRichard Henderson1-23/+30
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TBRichard Henderson1-3/+2
The maximum TB code gen size is UINT16_MAX, which the current code does not support. Use our utility function to optimally add an arbitrary constant. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg/ppc: Use tcg_tbrel_diffRichard Henderson1-3/+3
Use tcg_tbrel_diff when we need a displacement to a label, and with a NULL argument when we need the normalizing addend. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg: Adjust tb_target_set_jmp_target for split-wxRichard Henderson1-8/+8
Pass both rx and rw addresses to tb_target_set_jmp_target. Reviewed-by: Joelle van Dyne <j@getutm.app> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg: Adjust tcg_register_jit for constRichard Henderson1-1/+1
We must change all targets at once, since all must match the declaration in tcg.c. Reviewed-by: Joelle van Dyne <j@getutm.app> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg: Adjust tcg_out_call for constRichard Henderson1-4/+4
We must change all targets at once, since all must match the declaration in tcg.c. Reviewed-by: Joelle van Dyne <j@getutm.app> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg: Adjust TCGLabel for constRichard Henderson1-2/+2
Change TCGLabel.u.value_ptr to const, and initialize it with tcg_splitwx_to_rx. Propagate const through tcg/host/ only as far as needed to avoid errors from the value_ptr change. Reviewed-by: Joelle van Dyne <j@getutm.app> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07tcg: Move tcg epilogue pointer out of TCGContextRichard Henderson1-1/+1
This value is constant across all thread-local copies of TCGContext, so we might as well move it out of thread-local storage. Reviewed-by: Joelle van Dyne <j@getutm.app> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-07util: Enhance flush_icache_range with separate data pointerRichard Henderson1-2/+2
We are shortly going to have a split rw/rx jit buffer. Depending on the host, we need to flush the dcache at the rw data pointer and flush the icache at the rx code pointer. For now, the two passed pointers are identical, so there is no effective change in behaviour. Reviewed-by: Joelle van Dyne <j@getutm.app> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-01-02util: Extract flush_icache_range to cacheflush.cRichard Henderson1-22/+0
This has been a tcg-specific function, but is also in use by hardware accelerators via physmem.c. This can cause link errors when tcg is disabled. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Joelle van Dyne <j@getutm.app> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20201214140314.18544-3-richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-08tcg: Remove TCG_CT_REGRichard Henderson1-5/+0
This wasn't actually used for anything, really. All variable operands must accept registers, and which are indicated by the set in TCGArgConstraint.regs. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-10-08tcg: Drop union from TCGArgConstraintRichard Henderson1-12/+12
The union is unused; let "regs" appear in the main structure without the "u.regs" wrapping. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-09-23qemu/atomic.h: rename atomic_ to qatomic_Stefan Hajnoczi1-3/+3
clang's C11 atomic_fetch_*() functions only take a C11 atomic type pointer argument. QEMU uses direct types (int, etc) and this causes a compiler error when a QEMU code calls these functions in a source file that also included <stdatomic.h> via a system header file: $ CC=clang CXX=clang++ ./configure ... && make ../util/async.c:79:17: error: address argument to atomic operation must be a pointer to _Atomic type ('unsigned int *' invalid) Avoid using atomic_*() names in QEMU's atomic.h since that namespace is used by <stdatomic.h>. Prefix QEMU's APIs with 'q' so that atomic.h and <stdatomic.h> can co-exist. I checked /usr/include on my machine and searched GitHub for existing "qatomic_" users but there seem to be none. This patch was generated using: $ git grep -h -o '\<atomic\(64\)\?_[a-z0-9_]\+' include/qemu/atomic.h | \ sort -u >/tmp/changed_identifiers $ for identifier in $(</tmp/changed_identifiers); do sed -i "s%\<$identifier\>%q$identifier%g" \ $(git grep -I -l "\<$identifier\>") done I manually fixed line-wrap issues and misaligned rST tables. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200923105646.47864-1-stefanha@redhat.com>
2020-08-24Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.2-20200818' ↵Peter Maydell1-2/+10
into staging ppc patch queue 2020-08-18 Here's my first pull request for qemu-5.2, which has quite a few accumulated things. Highlights are: * Preliminary support for POWER10 (Power ISA 3.1) instruction emulation * Add documentation on the (very confusing) pseries NUMA configuration * Fix some bugs handling edge cases with XICS, XIVE and kernel_irqchip * Fix icount for a number of POWER registers * Many cleanups to error handling in XIVE code * Validate size of -prom-env data # gpg: Signature made Tue 18 Aug 2020 05:18:36 BST # gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392 # gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full] # gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full] # gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full] # gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown] # Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392 * remotes/dgibson/tags/ppc-for-5.2-20200818: (40 commits) spapr/xive: Use xive_source_esb_len() nvram: Exit QEMU if NVRAM cannot contain all -prom-env data spapr/xive: Simplify error handling of kvmppc_xive_cpu_synchronize_state() ppc/xive: Simplify error handling in xive_tctx_realize() spapr/xive: Simplify error handling in kvmppc_xive_connect() ppc/xive: Fix error handling in vmstate_xive_tctx_*() callbacks spapr/xive: Fix error handling in kvmppc_xive_post_load() spapr/kvm: Fix error handling in kvmppc_xive_pre_save() spapr/xive: Rework error handling of kvmppc_xive_set_source_config() spapr/xive: Rework error handling in kvmppc_xive_get_queues() spapr/xive: Rework error handling of kvmppc_xive_[gs]et_queue_config() spapr/xive: Rework error handling of kvmppc_xive_cpu_[gs]et_state() spapr/xive: Rework error handling of kvmppc_xive_mmap() spapr/xive: Rework error handling of kvmppc_xive_source_reset() spapr/xive: Rework error handling of kvmppc_xive_cpu_connect() spapr: Simplify error handling in spapr_phb_realize() spapr/xive: Convert KVM device fd checks to assert() ppc/xive: Introduce dedicated kvm_irqchip_in_kernel() wrappers ppc/xive: Rework setup of XiveSource::esb_mmio target/ppc: Integrate icount to purr, vtb, and tbu40 ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-08-21meson: rename included C source files to .c.incPaolo Bonzini1-0/+3884
With Makefiles that have automatically generated dependencies, you generated includes are set as dependencies of the Makefile, so that they are built before everything else and they are available when first building the .c files. Alternatively you can use a fine-grained dependency, e.g. target/arm/translate.o: target/arm/decode-neon-shared.inc.c With Meson you have only one choice and it is a third option, namely "build at the beginning of the corresponding target"; the way you express it is to list the includes in the sources of that target. The problem is that Meson decides if something is a source vs. a generated include by looking at the extension: '.c', '.cc', '.m', '.C' are sources, while everything else is considered an include---including '.inc.c'. Use '.c.inc' to avoid this, as it is consistent with our other convention of using '.rst.inc' for included reStructuredText files. The editorconfig file is adjusted. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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