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2023-06-20meson: Replace softmmu_ss -> system_ssPhilippe Mathieu-Daudé1-3/+3
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>
2023-06-06arm: move KVM breakpoints helpersFrancesco Cagnin1-1/+2
These helpers will be also used for HVF. Aside from reformatting a couple of comments for 'checkpatch.pl' and updating meson to compile 'hyp_gdbstub.c', this is just code motion. Signed-off-by: Francesco Cagnin <fcagnin@quarkslab.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230601153107.81955-2-fcagnin@quarkslab.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-05-02target/arm: move cpu_tcg to tcg/cpu32.cClaudio Fontana1-1/+0
move the module containing cpu models definitions for 32bit TCG-only CPUs to tcg/ and rename it for clarity. Signed-off-by: Claudio Fontana <cfontana@suse.de> Signed-off-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-id: 20230426180013.14814-8-farosas@suse.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-05-02target/arm: Move cortex sysregs into a separate fileFabiano Rosas1-0/+1
The file cpu_tcg.c is about to be moved into the tcg/ directory, so move the register definitions into a new file. Also move the function declaration to the more appropriate cpregs.h. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-id: 20230426180013.14814-2-farosas@suse.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-02target/arm: Restrict 'qapi-commands-machine.h' to system emulationPhilippe Mathieu-Daudé1-1/+1
Since commit a0e61807a3 ("qapi: Remove QMP events and commands from user-mode builds") we don't generate the "qapi-commands-machine.h" header in a user-emulation-only build. Move the QMP functions from helper.c (which is always compiled) to monitor.c (which is only compiled when system-emulation is selected). Rename monitor.c to arm-qmp-cmds.c. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230223155540.30370-2-philmd@linaro.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> [Straightforward conflict with commit 9def656e7a2 resolved]
2023-02-27target/arm: Move psci.c into the tcg directoryClaudio Fontana1-1/+0
Signed-off-by: Claudio Fontana <cfontana@suse.de> Signed-off-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-27target/arm: move helpers to tcg/Claudio Fontana1-13/+2
Signed-off-by: Claudio Fontana <cfontana@suse.de> Signed-off-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-27target/arm: move translate modules to tcg/Fabiano Rosas1-26/+4
Introduce the target/arm/tcg directory. Its purpose is to hold the TCG code that is selected by CONFIG_TCG. Signed-off-by: Claudio Fontana <cfontana@suse.de> Signed-off-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-07-11target/arm: Trap non-streaming usage when Streaming SVE is activeRichard Henderson1-0/+1
This new behaviour is in the ARM pseudocode function AArch64.CheckFPAdvSIMDEnabled, which applies to AArch32 via AArch32.CheckAdvSIMDOrFPEnabled when the EL to which the trap would be delivered is in AArch64 mode. Given that ARMv9 drops support for AArch32 outside EL0, the trap EL detection ought to be trivially true, but the pseudocode still contains a number of conditions, and QEMU has not yet committed to dropping A32 support for EL[12] when v9 features are present. Since the computation of SME_TRAP_NONSTREAMING is necessarily different for the two modes, we might as well preserve bits within TBFLAG_ANY and allocate separate bits within TBFLAG_A32 and TBFLAG_A64 instead. Note that DDI0616A.a has typos for bits [22:21] of LD1RO in the table of instructions illegal in streaming mode. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220708151540.18136-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-07-11target/arm: Add infrastructure for disas_smeRichard Henderson1-0/+2
This includes the build rules for the decoder, and the new file for translation, but excludes any instructions. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220708151540.18136-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-06-27target/arm: Implement SMSTART, SMSTOPRichard Henderson1-0/+1
These two instructions are aliases of MSR (immediate). Use the two helpers to properly implement svcr_write. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220620175235.60881-11-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-06-08target/arm: Move get_phys_addr to ptw.cRichard Henderson1-0/+1
Begin moving all of the page table walking functions out of helper.c, starting with get_phys_addr(). Create a temporary header file, "ptw.h", in which to share declarations between the two C files while we are moving functions. Move a few declarations to "internals.h", which will remain used by multiple C files. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220604040607.269301-3-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-21arm: Add Hypervisor.framework build targetAlexander Graf1-0/+2
Now that we have all logic in place that we need to handle Hypervisor.framework on Apple Silicon systems, let's add CONFIG_HVF for aarch64 as well so that we can build it. Signed-off-by: Alexander Graf <agraf@csgraf.de> Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com> Tested-by: Roman Bolshakov <r.bolshakov@yadro.com> (x86 only) Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Sergio Lopez <slp@redhat.com> Message-id: 20210916155404.86958-9-agraf@csgraf.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-21target/arm: Implement MVE VLDR/VSTR (non-widening forms)Peter Maydell1-0/+1
Implement the forms of the MVE VLDR and VSTR insns which perform non-widening loads of bytes, halfwords or words from memory into vector elements of the same width (encodings T5, T6, T7). (At the moment we know for MVE and M-profile in general that vfp_access_check() can never return false, but we include the conventional return-true-on-failure check for consistency with non-M-profile translation code.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210617121628.20116-2-peter.maydell@linaro.org
2021-06-16target/arm: Add framework for MVE decodePeter Maydell1-0/+2
Add the framework for decoding MVE insns, with the necessary new files and the meson.build rules, but no actual content yet. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210614151007.4545-11-peter.maydell@linaro.org
2021-05-10target/arm: Make translate-neon.c.inc its own compilation unitPeter Maydell1-3/+4
Switch translate-neon.c.inc from being #included into translate.c to being its own compilation unit. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210430132740.10391-14-peter.maydell@linaro.org
2021-05-10target/arm: Make translate-vfp.c.inc its own compilation unitPeter Maydell1-2/+3
Switch translate-vfp.c.inc from being #included into translate.c to being its own compilation unit. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210430132740.10391-9-peter.maydell@linaro.org
2021-05-10target/arm: Split m-nocp trans functions into their own filePeter Maydell1-1/+2
Currently the trans functions for m-nocp.decode all live in translate-vfp.inc.c; move them out into their own translation unit, translate-m-nocp.c. The trans_* functions here are pure code motion with no changes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210430132740.10391-5-peter.maydell@linaro.org
2021-01-18semihosting: Move ARM semihosting code to shared directoriesKeith Packard1-2/+0
This commit renames two files which provide ARM semihosting support so that they can be shared by other architectures: 1. target/arm/arm-semi.c -> hw/semihosting/common-semi.c 2. linux-user/arm/semihost.c -> linux-user/semihost.c The build system was modified use a new config variable, CONFIG_ARM_COMPATIBLE_SEMIHOSTING, which has been added to the ARM softmmu and linux-user default configs. The contents of the source files has not been changed in this patch. Signed-off-by: Keith Packard <keithp@keithp.com> [AJB: rename arm-compat-semi, select SEMIHOSTING] Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210107170717.2098982-2-keithp@keithp.com> Message-Id: <20210108224256.2321-13-alex.bennee@linaro.org>
2020-09-14target/arm: Remove KVM support for 32-bit Arm hostsPeter Maydell1-4/+1
We deprecated the support for KVM on 32-bit Arm hosts in time for release 5.0, which means that our deprecation policy allows us to drop it in release 5.2. Remove the code. To repeat the rationale from the deprecation note: the Linux kernel dropped support for 32-bit Arm KVM hosts in 5.7. Running 32-bit guests on a 64-bit Arm host remains supported. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200904154156.31943-2-peter.maydell@linaro.org
2020-08-24target/arm: Do M-profile NOCP checks early and via decodetreePeter Maydell1-0/+1
For M-profile CPUs, the architecture specifies that the NOCP exception when a coprocessor is not present or disabled should cover the entire wide range of coprocessor-space encodings, and should take precedence over UNDEF exceptions. (This is the opposite of A-profile, where checking for a disabled FPU has to happen last.) Implement this with decodetree patterns that cover the specified ranges of the encoding space. There are a few instructions (VLLDM, VLSTM, and in v8.1 also VSCCLRM) which are in copro-space but must not be NOCP'd: these must be handled also in the new m-nocp.decode so they take precedence. This is a minor behaviour change: for unallocated insn patterns in the VFP area (cp=10,11) we will now NOCP rather than UNDEF when the FPU is disabled. As well as giving us the correct architectural behaviour for v8.1M and the recommended behaviour for v8.0M, this refactoring also removes the old NOCP handling from the remains of the 'legacy decoder' in disas_thumb2_insn(), paving the way for cleaning that up. Since we don't currently have a v8.1M feature bit or any v8.1M CPUs, the minor changes to this logic that we'll need for v8.1M are marked up with TODO comments. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20200803111849.13368-6-peter.maydell@linaro.org
2020-08-21meson: targetPaolo Bonzini1-0/+62
Similar to hw_arch, each architecture defines two sourceset which are placed in dictionaries target_arch and target_softmmu_arch. These are then picked up from there when building the per-emulator static_library. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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