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2018-05-29target-microblaze: Add Extended AddressingEdgar E. Iglesias
Add support for Extended Addressing. Load/stores with EA enabled concatenate two 32bit registers to form an extended address. We don't allow users to enable address sizes larger than 32 bits quite yet though. Once the MMU support is in, we'll turn it on. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Setup for 64bit addressingEdgar E. Iglesias
Setup MicroBlaze builds for 64bit addressing. No functional change since the translator does not yet emit 64bit addresses. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Make special registers 64-bitEdgar E. Iglesias
Extend special registers to 64-bits. This is in preparation for MFSE/MTSE, moves to and from extended special registers. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: dec_msr: Fix MTS to FSREdgar E. Iglesias
Fix moves to FSR. Not only bit 31 is accessible. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: dec_msr: Reuse more code when reg-decodingEdgar E. Iglesias
Reuse more code when decoding register numbers. No functional changes. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: dec_msr: Use bool and extract32Edgar E. Iglesias
Use bool and extract32 to represent the to, clr and clrset flags. No functional change. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Break out trap_illegal()Edgar E. Iglesias
Break out trap_illegal() to handle illegal operation traps. We now generally stop translation of the current insn if it's not valid. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Break out trap_userspace()Edgar E. Iglesias
Break out trap_userspace() to avoid open coding it everywhere. For privileged insns, we now always stop translation of the current insn for cores without exceptions. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Name special registers we supportEdgar E. Iglesias
Name special registers we support. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Use TCGv for load/store addressesEdgar E. Iglesias
Use TCGv for load/store addresses, allowing for future computation of 64-bit load/store address. No functional change. Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Remove pointer indirection for ld/st addressesEdgar E. Iglesias
Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Make compute_ldst_addr always use a tempEdgar E. Iglesias
Make compute_ldst_addr always use a temp. This simplifies the code a bit in preparation for adding support for 64bit addresses. No functional change. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Bypass MMU with MMU_NOMMU_IDXEdgar E. Iglesias
Bypass MMU translation when mmu-index MMU_NOMMU_IDX is used. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Conditionalize setting of PVR11_USE_MMUEdgar E. Iglesias
Conditionalize setting of PVR11_USE_MMU on the use_mmu CPU property, otherwise we may incorrectly advertise an MMU via PVR when the core in fact has none. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Remove USE_MMU PVR checksEdgar E. Iglesias
We already have a CPU property to control if a core has an MMU or not. Remove USE_MMU PVR checks in favor of looking at the property. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Tighten up TCGv_i32 vs TCGv type usageEdgar E. Iglesias
Tighten up TCGv_i32 vs TCGv type usage. Avoid using TCGv when TCGv_i32 should be used. This is in preparation for adding 64bit addressing support. No functional change. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Correct the PVR array sizeEdgar E. Iglesias
Correct the PVR array size, there are 13 PVR registers. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Correct special register array sizesEdgar E. Iglesias
Correct special register array sizes. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: Fallback to our latest CPU versionEdgar E. Iglesias
Today, when running QEMU in linux-user or with boards that don't select a specific CPU version, we treat it as an invalid version and log a message. Instead, if no specific version was selected, fallback to our latest CPU version. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: compute_ldst_addr: Use bool instead of intEdgar E. Iglesias
Use bool instead of int to represent flags. No functional change. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: dec_store: Use bool instead of unsigned intEdgar E. Iglesias
Use bool instead of unsigned int to represent flags. Also, use extract32 instead of open coding the bit extract. No functional change. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-29target-microblaze: dec_load: Use bool instead of unsigned intEdgar E. Iglesias
Use bool instead of unsigned int to represent flags. No functional change. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2018-05-24Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
pc, pci, virtio, vhost: fixes, features Beginning of merging vDPA, new PCI ID, a new virtio balloon stat, intel iommu rework fixing a couple of security problems (no CVEs yet), fixes all over the place. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Wed 23 May 2018 15:41:32 BST # gpg: using RSA key 281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: (28 commits) intel-iommu: rework the page walk logic util: implement simple iova tree intel-iommu: trace domain id during page walk intel-iommu: pass in address space when page walk intel-iommu: introduce vtd_page_walk_info intel-iommu: only do page walk for MAP notifiers intel-iommu: add iommu lock intel-iommu: remove IntelIOMMUNotifierNode intel-iommu: send PSI always even if across PDEs nvdimm: fix typo in label-size definition contrib/vhost-user-blk: enable protocol feature for vhost-user-blk hw/virtio: Fix brace Werror with clang 6.0.0 libvhost-user: Send messages with no data vhost-user+postcopy: Use qemu_set_nonblock virtio: support setting memory region based host notifier vhost-user: support receiving file descriptors in slave_read vhost-user: add Net prefix to internal state structure linux-headers: add kvm header for mips linux-headers: add unistd.h on all arches update-linux-headers.sh: unistd.h, kvm consistency ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-24Merge remote-tracking branch 'remotes/mwalle/tags/lm32-queue/20180521' into ↵Peter Maydell
staging target/lm32: BQL patch # gpg: Signature made Tue 22 May 2018 19:25:30 BST # gpg: using RSA key B458ABB0D8D378E3 # gpg: Good signature from "Michael Walle <michael@walle.cc>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 2190 3E48 4537 A7C2 90CE 3EB2 B458 ABB0 D8D3 78E3 * remotes/mwalle/tags/lm32-queue/20180521: lm32: take BQL before writing IP/IM register Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-23x86/cpu: use standard-headers/asm-x86.kvm_para.hMichael S. Tsirkin
Switch to the header we imported from Linux, this allows us to drop a hack in kvm_i386.h. More code will be dropped in the next patch. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-05-21i386: define the AMD 'virt-ssbd' CPUID feature bit (CVE-2018-3639)Konrad Rzeszutek Wilk
AMD Zen expose the Intel equivalant to Speculative Store Bypass Disable via the 0x80000008_EBX[25] CPUID feature bit. This needs to be exposed to guest OS to allow them to protect against CVE-2018-3639. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20180521215424.13520-3-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-05-21i386: Define the Virt SSBD MSR and handling of it (CVE-2018-3639)Konrad Rzeszutek Wilk
"Some AMD processors only support a non-architectural means of enabling speculative store bypass disable (SSBD). To allow a simplified view of this to a guest, an architectural definition has been created through a new CPUID bit, 0x80000008_EBX[25], and a new MSR, 0xc001011f. With this, a hypervisor can virtualize the existence of this definition and provide an architectural method for using SSBD to a guest. Add the new CPUID feature, the new MSR and update the existing SSBD support to use this MSR when present." (from x86/speculation: Add virtualized speculative store bypass disable support in Linux). Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20180521215424.13520-4-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-05-21i386: define the 'ssbd' CPUID feature bit (CVE-2018-3639)Daniel P. Berrangé
New microcode introduces the "Speculative Store Bypass Disable" CPUID feature bit. This needs to be exposed to guest OS to allow them to protect against CVE-2018-3639. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Message-Id: <20180521215424.13520-2-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-05-21lm32: take BQL before writing IP/IM registerMichael Walle
Writing to these registers may raise an interrupt request. Actually, this prevents the milkymist board from starting. Cc: qemu-stable@nongnu.org Signed-off-by: Michael Walle <michael@walle.cc> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2018-05-21Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into ↵Peter Maydell
staging trivial patches for 2018-05-20 # gpg: Signature made Sun 20 May 2018 07:13:20 BST # gpg: using RSA key 701B4F6B1A693E59 # gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" # gpg: aka "Michael Tokarev <mjt@corpit.ru>" # gpg: aka "Michael Tokarev <mjt@debian.org>" # Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5 # Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931 4B22 701B 4F6B 1A69 3E59 * remotes/mjt/tags/trivial-patches-fetch: (22 commits) acpi: fix a comment about aml_call0() qapi/net.json: Fix the version number of the "vlan" removal gdbstub: Handle errors in gdb_accept() gdbstub: Use qemu_set_cloexec() replace functions which are only available in glib-2.24 typedefs: Remove PcGuestInfo from qemu/typedefs.h qemu-options: Allow -no-user-config again hw/timer/mt48t59: Fix bit-rotten NVRAM_PRINTF format strings Remove unnecessary variables for function return value trivial: Do not include pci.h if it is not necessary tests: fix tpm-crb tpm-tis tests race hw/ide/ahci: Keep ALLWINNER_AHCI() macro internal qemu-img-cmds.hx: add passive-aggressive note qemu-img: Make documentation between .texi and .hx consistent qemu-img: remove references to GEN_DOCS qemu-img.texi: fix command ordering qemu-img-commands.hx: argument ordering fixups HACKING: document preference for g_new instead of g_malloc qemu-option-trace: -trace enable= is a pattern, not a file slirp/debug: Print IP addresses in human readable form ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-20Remove unnecessary variables for function return valueLaurent Vivier
Re-run Coccinelle script scripts/coccinelle/return_directly.cocci Signed-off-by: Laurent Vivier <lvivier@redhat.com> ppc part Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2018-05-20tcg: fix s/compliment/complement/ typosEmilio G. Cota
Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2018-05-18target/xtensa: Honor CPU_DUMP_FPURichard Henderson
Acked-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-18target/unicore32: Honor CPU_DUMP_FPURichard Henderson
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-18target/sparc: Honor CPU_DUMP_FPURichard Henderson
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Cc: Artyom Tarasenko <atar4qemu@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-18target/s390x: Honor CPU_DUMP_FPURichard Henderson
Also do not dump both "fpu" and "vector" registers as the former overlaps the latter. Cc: Alexander Graf <agraf@suse.de> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-18target/riscv: Honor CPU_DUMP_FPURichard Henderson
Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Sagar Karandikar <sagark@eecs.berkeley.edu> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Reviewed-by: Michael Clark <mjc@sifive.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-18target/ppc: Honor CPU_DUMP_FPURichard Henderson
Cc: Alexander Graf <agraf@suse.de> Cc: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-18target/mips: Honor CPU_DUMP_FPURichard Henderson
Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Yongbok Kim <yongbok.kim@mips.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-18target/alpha: Honor CPU_DUMP_FPURichard Henderson
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-18target/arm: Implement SVE Permute - Extract GroupRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-26-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE Integer Wide Immediate - Predicated GroupRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-25-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE Bitwise Immediate GroupRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-24-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE Element Count GroupRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-23-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE floating-point trig select coefficientRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-22-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE floating-point exponential acceleratorRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-21-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE Compute Vector Address GroupRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-20-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE Bitwise Shift - Unpredicated GroupRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-19-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE Stack Allocation GroupRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-18-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-05-18target/arm: Implement SVE Index Generation GroupRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180516223007.10256-17-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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