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2022-03-05target/ppc: Add missing helper_reset_fpstatus to VSX_MAX_MINCVíctor Colombo1-0/+2
Fixes: da499405aa ("target/ppc: Refactor VSX_MAX_MINC helper") Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220304175156.2012315-7-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05target/ppc: split XXGENPCV macros for readabilityMatheus Ferst2-42/+57
Fixes: b090f4f1e3c9 ("target/ppc: Implement xxgenpcv[bhwd]m instruction") Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220304175156.2012315-6-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05target/ppc: use andc in vrlqmiMatheus Ferst1-4/+2
Fixes: 7e5947df6e94 ("target/ppc: implement vrlqmi") Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220304175156.2012315-5-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05target/ppc: use extract/extract2 to create vrlqnm maskMatheus Ferst1-7/+3
Fixes: 4e272668406b ("target/ppc: implement vrlqnm") Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220304175156.2012315-4-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05target/ppc: use ext32u and deposit in do_vx_vmulhw_i64Matheus Ferst1-7/+3
Fixes: 29e9dfcf755e ("target/ppc: vmulh* instructions without helpers") Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220304175156.2012315-3-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05target/ppc: Fix vmul[eo]* instructions marked 2.07Lucas Mateus Castro (alqotel)1-8/+8
Some ISA v2.03 Vector Multiply instructions marked to be ISA v2.07 only. This patch fixes it. Fixes: 80eca687c851 ("target/ppc: moved vector even and odd multiplication to decodetree") Reported-by: Howard Spoelstra <hsp.cat7@gmail.com> Suggested-by: Fabiano Rosas <farosas@linux.ibm.com> Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220304175156.2012315-2-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05tests/tcg/ppc64le: Use Altivec register names in clobber listMatheus Ferst1-8/+8
LLVM/Clang doesn't know the VSX registers when compiling with -mabi=elfv1. Use only registers >= 32 and list them with their Altivec name. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220304165417.1981159-6-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05tests/tcg/ppc64le: emit bcdsub with .long when neededMatheus Ferst1-31/+42
Based on GCC docs[1], we use the '-mpower8-vector' flag at config-time to detect the toolchain support to the bcdsub instruction. LLVM/Clang supports this flag since version 3.6[2], but the instruction and related builtins were only added in LLVM 14[3]. In the absence of other means to detect this support at config-time, we resort to __has_builtin to identify the presence of __builtin_bcdsub at compile-time. If the builtin is not available, the instruction is emitted with a ".long". [1] https://gcc.gnu.org/onlinedocs/gcc-8.3.0/gcc/PowerPC-AltiVec_002fVSX-Built-in-Functions.html [2] https://github.com/llvm/llvm-project/commit/59eb767e11d4ffefb5f55409524e5c8416b2b0db [3] https://github.com/llvm/llvm-project/commit/c933c2eb334660c131f4afc9d194fafb0cec0423 Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220304165417.1981159-5-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05tests/tcg/ppc64le: drop __int128 usage in bcdsubMatheus Ferst1-68/+61
Using __int128 with inline asm constraints like "v" generates incorrect code when compiling with LLVM/Clang (e.g., only one doubleword of the VSR is loaded). Instead, use a GPR pair to pass the 128-bits value and load the VSR with mtvsrd/xxmrghd. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220304165417.1981159-4-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05target/ppc: change xs[n]madd[am]sp to use float64r32_muladdMatheus Ferst1-38/+20
Change VSX Scalar Multiply-Add/Subtract Type-A/M Single Precision helpers to use float64r32_muladd. This method should correctly handle all rounding modes, so the workaround for float_round_nearest_even can be dropped. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220304165417.1981159-3-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05tests/tcg/ppc64le: use inline asm instead of __builtin_mtfsfMatheus Ferst1-10/+9
LLVM/Clang does not support __builtin_mtfsf. Acked-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220304165417.1981159-2-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-05Use long endian options for ppc64Miroslav Rezanina2-4/+4
GCC options pairs -mlittle/-mlittle-endian and -mbig/-mbig-endian are equivalent on ppc64 architecture. However, Clang supports only long version of the options. Use longer form in configure to properly support both GCC and Clang compiler. In addition, fix this issue in tcg test configure. Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com> Reviewed-by: Greg Kurz <groug@kaod.org> Message-Id: <20220131091714.4825-1-mrezanin@redhat.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-03target/nios2: Rewrite interrupt handlingRichard Henderson5-36/+9
Previously, we would avoid setting CPU_INTERRUPT_HARD when interrupts are disabled at a particular point in time, instead queuing the value into cpu->irq_pending. This is more complicated than required. Instead, set CPU_INTERRUPT_HARD any time there is a pending interrupt, and exclusively check for interrupts disabled in nios2_cpu_exec_interrupt. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-03target/nios2: Special case ipending in rdctl and wrctlRichard Henderson1-0/+14
It was never correct to be able to write to ipending. Until the rest of the irq code is tidied, the read of ipending will generate an "unnecessary" mask. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-03target/nios2: Split mmu_writeRichard Henderson4-107/+100
Create three separate functions for the three separate registers. Avoid extra dispatch through op_helper.c. Dispatch to the correct function in translation. Clean up the ifdefs in wrctl. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-03target/nios2: Hoist R_ZERO check in rdctlRichard Henderson1-3/+5
This will avoid having to replicate the check to additional cases. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-03target/nios2: Only build mmu.c for system modeRichard Henderson2-5/+1
We can thus remove an ifdef covering the entire file. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-03target/nios2: Replace MMU_LOG with tracepointsRichard Henderson3-68/+39
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-03target/nios2: Remove mmu_read_debugRichard Henderson5-44/+0
This functionality can be had via plugins, if desired. In the meantime, it is unused code. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-03-03hw/nvme: 64-bit pi supportNaveen Nagar7-98/+608
This adds support for one possible new protection information format introduced in TP4068 (and integrated in NVMe 2.0): the 64-bit CRC guard and 48-bit reference tag. This version does not support storage tags. Like the CRC16 support already present, this uses a software implementation of CRC64 (so it is naturally pretty slow). But its good enough for verification purposes. This may go nicely hand-in-hand with the support that Keith submitted for the Linux kernel[1]. [1]: https://lore.kernel.org/linux-nvme/20220126165214.GA1782352@dhcp-10-100-145-180.wdc.com/T/ Reviewed-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Naveen Nagar <naveen.n1@samsung.com> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-03-03hw/nvme: add pi tuple size helperKlaus Jensen3-14/+21
A subsequent patch will introduce a new tuple size; so add a helper and use that instead of sizeof() and magic numbers. Reviewed-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-03-03hw/nvme: add support for the lbafee hbs featureNaveen Nagar4-11/+46
Add support for up to 64 LBA formats through the LBAFEE field of the Host Behavior Support feature. Reviewed-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Naveen Nagar <naveen.n1@samsung.com> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-03-03hw/nvme: move format parameter parsingKlaus Jensen1-13/+18
There is no need to extract the format command parameters for each namespace. Move it to the entry point. Reviewed-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-03-03hw/nvme: add host behavior support featureNaveen Nagar3-1/+20
Add support for getting and setting the Host Behavior Support feature. Reviewed-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Naveen Nagar <naveen.n1@samsung.com> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-03-03hw/nvme: move dif/pi prototypes into dif.hKlaus Jensen4-50/+55
Move dif/pi data structures and inlines to dif.h. Reviewed-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-03-03target/riscv: expose zfinx, zdinx, zhinx{min} propertiesWeiwei Li1-0/+5
Co-authored-by: ardxwe <ardxwe@gmail.com> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220211043920.28981-7-liweiwei@iscas.ac.cn> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03target/riscv: add support for zhinx/zhinxminWeiwei Li4-143/+296
- update extension check REQUIRE_ZHINX_OR_ZFH and REQUIRE_ZFH_OR_ZFHMIN_OR_ZHINX_OR_ZHINXMIN - update half float point register read/write - disable nanbox_h check Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220211043920.28981-6-liweiwei@iscas.ac.cn> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03target/riscv: add support for zdinxWeiwei Li2-78/+259
-- update extension check REQUIRE_ZDINX_OR_D -- update double float point register read/write Co-authored-by: ardxwe <ardxwe@gmail.com> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220211043920.28981-5-liweiwei@iscas.ac.cn> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03target/riscv: add support for zfinxWeiwei Li5-145/+369
- update extension check REQUIRE_ZFINX_OR_F - update single float point register read/write - disable nanbox_s check Co-authored-by: ardxwe <ardxwe@gmail.com> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220211043920.28981-4-liweiwei@iscas.ac.cn> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03target/riscv: hardwire mstatus.FS to zero when enable zfinxWeiwei Li3-6/+29
Co-authored-by: ardxwe <ardxwe@gmail.com> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220211043920.28981-3-liweiwei@iscas.ac.cn> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03target/riscv: add cfg properties for zfinx, zdinx and zhinx{min}Weiwei Li2-0/+16
Co-authored-by: ardxwe <ardxwe@gmail.com> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220211043920.28981-2-liweiwei@iscas.ac.cn> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03hw: riscv: opentitan: fixup SPI addressesWilfred Mallawa2-4/+12
This patch updates the SPI_DEVICE, SPI_HOST0, SPI_HOST1 base addresses. Also adds these as unimplemented devices. The address references can be found [1]. [1] https://github.com/lowRISC/opentitan/blob/6c317992fbd646818b34f2a2dbf44bc850e461e4/hw/top_earlgrey/sw/autogen/top_earlgrey_memory.h#L107 Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Message-Id: <20220218063839.405082-1-alistair.francis@opensource.wdc.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03hw/riscv: virt: Increase maximum number of allowed CPUsAnup Patel2-1/+11
To facilitate software development of RISC-V systems with large number of HARTs, we increase the maximum number of allowed CPUs to 512 (2^9). We also add a detailed source level comments about limit defines which impact the physical address space utilization. Signed-off-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Anup Patel <anup@brainfault.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Frank Chang <frank.chang@sifive.com> Message-Id: <20220220085526.808674-6-anup@brainfault.org> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03docs/system: riscv: Document AIA options for virt machineAnup Patel1-0/+16
We have two new machine options "aia" and "aia-guests" available for the RISC-V virt machine so let's document these options. Signed-off-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Anup Patel <anup@brainfault.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Frank Chang <frank.chang@sifive.com> Message-Id: <20220220085526.808674-5-anup@brainfault.org> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03hw/riscv: virt: Add optional AIA IMSIC support to virt machineAnup Patel3-84/+373
We extend virt machine to emulate both AIA IMSIC and AIA APLIC devices only when "aia=aplic-imsic" parameter is passed along with machine name in the QEMU command-line. The AIA IMSIC is only a per-HART MSI controller so we use AIA APLIC in MSI-mode to forward all wired interrupts as MSIs to the AIA IMSIC. We also provide "aia-guests=<xyz>" parameter which can be used to specify number of VS-level AIA IMSIC Guests MMIO pages for each HART. Signed-off-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Anup Patel <anup@brainfault.org> Acked-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220220085526.808674-4-anup@brainfault.org> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03hw/intc: Add RISC-V AIA IMSIC device emulationAnup Patel4-0/+520
The RISC-V AIA (Advanced Interrupt Architecture) defines a new interrupt controller for MSIs (message signal interrupts) called IMSIC (Incoming Message Signal Interrupt Controller). The IMSIC is per-HART device and also suppport virtualizaiton of MSIs using dedicated VS-level guest interrupt files. This patch adds device emulation for RISC-V AIA IMSIC which supports M-level, S-level, and VS-level MSIs. Signed-off-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Anup Patel <anup@brainfault.org> Reviewed-by: Frank Chang <frank.chang@sifive.com> Message-Id: <20220220085526.808674-3-anup@brainfault.org> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03hw/riscv: virt: Add optional AIA APLIC support to virt machineAnup Patel3-59/+259
We extend virt machine to emulate AIA APLIC devices only when "aia=aplic" parameter is passed along with machine name in QEMU command-line. When "aia=none" or not specified then we fallback to original PLIC device emulation. Signed-off-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Anup Patel <anup@brainfault.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220220085526.808674-2-anup@brainfault.org> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-03target/riscv: fix inverted checks for ext_zb[abcs]Philipp Tomsich1-4/+4
While changing to the use of cfg_ptr, the conditions for REQUIRE_ZB[ABCS] inadvertently became inverted and slipped through the initial testing (which used RV64GC_XVentanaCondOps as a target). This fixes the regression. Tested against SPEC2017 w/ GCC 12 (prerelease) for RV64GC_zba_zbb_zbc_zbs. Fixes: f2a32bec8f0da99 ("target/riscv: access cfg structure through DisasContext") Signed-off-by: Philipp Tomsich <philipp.tomsich@vrull.eu> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220203153946.2676353-1-philipp.tomsich@vrull.eu> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-03-02ui/cocoa.m: Remove unnecessary NSAutoreleasePoolsPeter Maydell1-6/+0
In commit 6e657e64cdc478 in 2013 we added some autorelease pools to deal with complaints from macOS when we made calls into Cocoa from threads that didn't have automatically created autorelease pools. Later on, macOS got stricter about forbidding cross-thread Cocoa calls, and in commit 5588840ff77800e839d8 we restructured the code to avoid them. This left the autorelease pool creation in several functions without any purpose; delete it. We still need the pool in cocoa_refresh() for the clipboard related code which is called directly there. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Akihiko Odaki <akihiko.odaki@gmail.com> Tested-by: Akihiko Odaki <akihiko.odaki@gmail.com> Message-id: 20220224101330.967429-3-peter.maydell@linaro.org
2022-03-02ui/cocoa.m: Fix updateUIInfo threading issuesPeter Maydell1-3/+22
The updateUIInfo method makes Cocoa API calls. It also calls back into QEMU functions like dpy_set_ui_info(). To do this safely, we need to follow two rules: * Cocoa API calls are made on the Cocoa UI thread * When calling back into QEMU we must hold the iothread lock Fix the places where we got this wrong, by taking the iothread lock while executing updateUIInfo, and moving the call in cocoa_switch() inside the dispatch_async block. Some of the Cocoa UI methods which call updateUIInfo are invoked as part of the initial application startup, while we're still doing the little cross-thread dance described in the comment just above call_qemu_main(). This meant they were calling back into the QEMU UI layer before we'd actually finished initializing our display and registered the DisplayChangeListener, which isn't really valid. Once updateUIInfo takes the iothread lock, we no longer get away with this, because during this startup phase the iothread lock is held by the QEMU main-loop thread which is waiting for us to finish our display initialization. So we must suppress updateUIInfo until applicationDidFinishLaunching allows the QEMU main-loop thread to continue. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Akihiko Odaki <akihiko.odaki@gmail.com> Tested-by: Akihiko Odaki <akihiko.odaki@gmail.com> Message-id: 20220224101330.967429-2-peter.maydell@linaro.org
2022-03-02target/arm: Report KVM's actual PSCI version to guest in dtbPeter Maydell3-3/+15
When we're using KVM, the PSCI implementation is provided by the kernel, but QEMU has to tell the guest about it via the device tree. Currently we look at the KVM_CAP_ARM_PSCI_0_2 capability to determine if the kernel is providing at least PSCI 0.2, but if the kernel provides a newer version than that we will still only tell the guest it has PSCI 0.2. (This is fairly harmless; it just means the guest won't use newer parts of the PSCI API.) The kernel exposes the specific PSCI version it is implementing via the ONE_REG API; use this to report in the dtb that the PSCI implementation is 1.0-compatible if appropriate. (The device tree binding currently only distinguishes "pre-0.2", "0.2-compatible" and "1.0-compatible".) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Akihiko Odaki <akihiko.odaki@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Message-id: 20220224134655.1207865-1-peter.maydell@linaro.org
2022-03-02target/arm: Implement FEAT_LPA2Richard Henderson4-15/+112
This feature widens physical addresses (and intermediate physical addresses for 2-stage translation) from 48 to 52 bits, when using 4k or 16k pages. This introduces the DS bit to TCR_ELx, which is RES0 unless the page size is enabled and supports LPA2, resulting in the effective value of DS for a given table walk. The DS bit changes the format of the page table descriptor slightly, moving the PS field out to TCR so that all pages have the same sharability and repurposing those bits of the page table descriptor for the highest bits of the output address. Do not yet enable FEAT_LPA2; we need extra plumbing to avoid tickling an old kernel bug. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220301215958.157011-17-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-02target/arm: Advertise all page sizes for -cpu maxRichard Henderson1-0/+4
We support 16k pages, but do not advertize that in ID_AA64MMFR0. The value 0 in the TGRAN*_2 fields indicates that stage2 lookups defer to the same support as stage1 lookups. This setting is deprecated, so indicate support for all stage2 page sizes directly. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20220301215958.157011-16-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-02target/arm: Validate tlbi TG matches translation granule in useRichard Henderson1-3/+7
For FEAT_LPA2, we will need other ARMVAParameters, which themselves depend on the translation granule in use. We might as well validate that the given TG matches; the architecture "does not require that the instruction invalidates any entries" if this is not true. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220301215958.157011-15-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-02target/arm: Fix TLBIRange.base for 16k and 64k pagesRichard Henderson1-2/+3
The shift of the BaseADDR field depends on the translation granule in use. Fixes: 84940ed8255 ("target/arm: Add support for FEAT_TLBIRANGE") Reported-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220301215958.157011-14-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-02target/arm: Introduce tlbi_aa64_get_rangeRichard Henderson1-34/+24
Merge tlbi_aa64_range_get_length and tlbi_aa64_range_get_base, returning a structure containing both results. Pass in the ARMMMUIdx, rather than the digested two_ranges boolean. This is in preparation for FEAT_LPA2, where the interpretation of 'value' depends on the effective value of DS for the regime. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220301215958.157011-13-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-02target/arm: Extend arm_fi_to_lfsc to level -1Richard Henderson1-6/+29
With FEAT_LPA2, rather than introducing translation level 4, we introduce level -1, below the current level 0. Extend arm_fi_to_lfsc to handle these faults. Assert that this new translation level does not leak into fault types for which it is not defined, which allows some masking of fi->level to be removed. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220301215958.157011-12-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-02target/arm: Implement FEAT_LPARichard Henderson4-5/+19
This feature widens physical addresses (and intermediate physical addresses for 2-stage translation) from 48 to 52 bits, when using 64k pages. The only thing left at this point is to handle the extra bits in the TTBR and in the table descriptors. Note that PAR_EL1 and HPFAR_EL2 are nominally extended, but we don't mask out the high bits when writing to those registers, so no changes are required there. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220301215958.157011-11-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-02target/arm: Implement FEAT_LVARichard Henderson5-2/+16
This feature is relatively small, as it applies only to 64k pages and thus requires no additional changes to the table descriptor walking algorithm, only a change to the minimum TSZ (which is the inverse of the maximum virtual address space size). Note that this feature widens VBAR_ELx, but we already treat the register as being 64 bits wide. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220301215958.157011-10-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-03-02target/arm: Prepare DBGBVR and DBGWVR for FEAT_LVARichard Henderson1-8/+24
The original A.a revision of the AArch64 ARM required that we force-extend the addresses in these registers from 49 bits. This language has been loosened via a combination of IMPLEMENTATION DEFINED and CONSTRAINTED UNPREDICTABLE to allow consideration of the entire aligned address. This means that we do not have to consider whether or not FEAT_LVA is enabled, and decide from which bit an address might need to be extended. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220301215958.157011-9-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>