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2014-10-24target-arm: add emulation of PSCI calls for system emulationRob Herring
Add support for handling PSCI calls in system emulation. Both version 0.1 and 0.2 of the PSCI spec are supported. Platforms can enable support by setting the "psci-conduit" QOM property on the cpus to SMC or HVC emulation and having a PSCI binding in their dtb. Signed-off-by: Rob Herring <rob.herring@linaro.org> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1412865028-17725-7-git-send-email-peter.maydell@linaro.org [PMM: made system reset/off PSCI functions power down the CPU so we obey the PSCI API requirement never to return from them; rearranged how the code is plumbed into the exception system, so that we split "is this a valid call?" from "do the call"] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-17target-arm: A64: add stubs for a64 specific helpersAlexander Graf
We will need helpers that only make sense with AArch64. Add helper-a64.{c,h} files as stubs that we can fill with these helpers in the following patches. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2013-12-17target-arm: Add minimal KVM AArch64 supportMian M. Hamayun
Add the bare minimum set of functions needed for control of an AArch64 KVM vcpu: * CPU initialization * minimal get/put register functions which only handle the basic state of the CPU Signed-off-by: Mian M. Hamayun <m.hamayun@virtualopensystems.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1385645602-18662-4-git-send-email-peter.maydell@linaro.org [PMM: significantly overhauled; most notably: * code lives in kvm64.c rather than using #ifdefs * support '-cpu host' rather than implicitly using whatever the host's CPU is regardless of what the user requests * fix bug attempting to get/set nonexistent X[31] * fix bug writing 64 bit kernel pstate into uint32_t env field ] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
2013-12-17target-arm/kvm: Split 32 bit only code into its own filePeter Maydell
Split ARM KVM support code which is 32 bit specific out into its own file, which we only compile on 32 bit hosts. This will give us a place to add the 64 bit support code without adding lots of ifdefs to kvm.c. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1385645602-18662-2-git-send-email-peter.maydell@linaro.org Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
2013-12-17target-arm: add support for v8 AES instructionsArd Biesheuvel
This adds support for the AESE/AESD/AESMC/AESIMC instructions that are available on some v8 implementations of Aarch32. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Message-id: 1386266078-6976-1-git-send-email-ard.biesheuvel@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-10-16Makefile.target: CONFIG_NO_* variables removedÁkos Kovács
CONFIG_NO_* variables replaced with the lnot logical function Signed-off-by: Ákos Kovács <akoskovacs@gmx.com> [PMM: fixed a few CONFIG_NO_* uses that were missed] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-10target-arm: Add AArch64 gdbstub supportAlexander Graf
We want to be able to debug AArch64 guests. So let's add the respective gdb stub functions and xml descriptions that allow us to do so. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: John Rigby <john.rigby@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1378235544-22290-12-git-send-email-peter.maydell@linaro.org Message-id: 1368505980-17151-6-git-send-email-john.rigby@linaro.org [PMM: dropped unused fp regs XML for now; moved 64 bit only functions to new gdbstub64.c; these are hooked up in AArch64CPU, not via ifdefs in ARMCPU] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-09-10target-arm: Add AArch64 translation stubAlexander Graf
We should translate AArch64 mode separately from AArch32 mode. In AArch64 mode, registers look vastly different, instruction encoding is completely different, basically the system turns into a different machine. So let's do a simple if() in translate.c to decide whether we can handle the current code in the legacy AArch32 code or in the new AArch64 code. So far, the translation always complains about unallocated instructions. There is no emulator functionality in this patch! Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: John Rigby <john.rigby@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1378235544-22290-11-git-send-email-peter.maydell@linaro.org Message-id: 1368505980-17151-5-git-send-email-john.rigby@linaro.org [PMM: * provide no-op versions of a64 functions ifndef TARGET_AARCH64; this lets us avoid #ifdefs in translate.c * insert the missing call to disas_a64_insn() * stash the insn in the DisasContext rather than reloading it in real_unallocated_encoding() ] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-09-10target-arm: Add new AArch64CPUInfo base class and subclassesPeter Maydell
Create a new AArch64CPU class; all 64-bit capable ARM CPUs are subclasses of this. (Currently we only support one, the "any" CPU used by linux-user.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1378235544-22290-8-git-send-email-peter.maydell@linaro.org
2013-07-27cpu: Introduce CPUClass::gdb_{read,write}_register()Andreas Färber
Completes migration of target-specific code to new target-*/gdbstub.c. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa) Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-06-25target-arm: Initialize cpreg list from KVM when using KVMPeter Maydell
When using KVM, use the kernel's initial state to set up the cpreg list, and sync to and from the kernel when doing migration. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-03-05ARM: KVM: Add support for KVM on ARM architectureChristoffer Dall
Add basic support for KVM on ARM architecture. Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu> [PMM: Minor tweaks and code cleanup, switch to ONE_REG] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-09-15target-arm: final conversion to AREG0 free modeBlue Swirl
Convert code load functions and switch to AREG0 free mode. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2012-06-07build: move other target-*/ objects to nested Makefile.objsPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-06-07build: move libobj-y variable to nested Makefile.objsPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-06-07build: move obj-TARGET-y variables to nested Makefile.objsPaolo Bonzini
Also drop duplicate occurrence of device-hotplug.o. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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