target/riscv: Adjust csr write mask with XLEN

Write mask is representing the bits we care about.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-11-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Relax debug check for pm write

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-10-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Use gdb xml according to max mxlen

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-9-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Extend pc for runtime pc write

In some cases, we must restore the guest PC to the address of the start of
the TB, such as when the instruction counter hits zero. So extend pc register
according to current xlen for these cases.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-8-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Ignore the pc bits above XLEN

The read from PC for translation is in cpu_get_tb_cpu_state, before translation.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-7-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Create xl field in env

Current xlen has been used in helper functions and many other places.
The computation of current xlen is not so trivial, so that we should
recompute it as little as possible.

Fortunately, xlen only changes in very seldom cases, such as exception,
misa write, mstatus write, cpu reset, migration load. So that we can only
recompute xlen in this places and cache it into CPURISCVState.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-6-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Sign extend pc for different XLEN

When pc is written, it is sign-extended to fill the widest supported XLEN.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-5-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Sign extend link reg for jal and jalr

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-4-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Don't save pc when exception return

As pc will be written by the xepc in exception return, just ignore
pc in translation.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-3-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Adjust pmpcfg access with mxl

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220120122050.41546-2-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

roms/opensbi: Remove ELF images

Now that all RISC-V machines can use OpenSBI BIN images, we remove
OpenSBI ELF images and also exclude these images from BIOS build.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

hw/riscv: Remove macros for ELF BIOS image names

Now that RISC-V Spike machine can use BIN BIOS images, we remove
the macros used for ELF BIOS image names.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

hw/riscv: spike: Allow using binary firmware as bios

Currently, we have to use OpenSBI firmware ELF as bios for the spike
machine because the HTIF console requires ELF for parsing "fromhost"
and "tohost" symbols.

The latest OpenSBI can now optionally pick-up HTIF register address
from HTIF DT node so using this feature spike machine can now use
OpenSBI firmware BIN as bios.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Allow Zve32f extension to be turned on

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-18-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve32f support for narrowing type-convert insns

Vector narrowing conversion instructions are provided to and from all
supported integer EEWs for Zve32f extension.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-17-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve32f support for widening type-convert insns

Vector widening conversion instructions are provided to and from all
supported integer EEWs for Zve32f extension.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-16-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve32f support for single-width fp reduction insns

Vector single-width floating-point reduction operations for EEW=32 are
supported for Zve32f extension.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-15-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve32f support for scalar fp insns

Zve32f extension requires the scalar processor to implement the F
extension and implement all vector floating-point instructions for
floating-point operands with EEW=32 (i.e., no widening floating-point
operations).

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-14-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve32f support for configuration insns

All Zve* extensions support the vector configuration instructions.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-13-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve32f extension into RISC-V

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-12-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Allow Zve64f extension to be turned on

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-11-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve64f support for narrowing type-convert insns

Vector narrowing conversion instructions are provided to and from all
supported integer EEWs for Zve64f extension.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-10-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve64f support for widening type-convert insns

Vector widening conversion instructions are provided to and from all
supported integer EEWs for Zve64f extension.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-9-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve64f support for single-width fp reduction insns

Vector single-width floating-point reduction operations for EEW=32 are
supported for Zve64f extension.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-8-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve64f support for scalar fp insns

Zve64f extension requires the scalar processor to implement the F
extension and implement all vector floating-point instructions for
floating-point operands with EEW=32 (i.e., no widening floating-point
operations).

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-7-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve64f support for vsmul.vv and vsmul.vx insns

All Zve* extensions support all vector fixed-point arithmetic
instructions, except that vsmul.vv and vsmul.vx are not supported
for EEW=64 in Zve64*.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-6-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve64f support for vmulh variant insns

All Zve* extensions support all vector integer instructions,
except that the vmulh integer multiply variants that return the
high word of the product (vmulh.vv, vmulh.vx, vmulhu.vv, vmulhu.vx,
vmulhsu.vv, vmulhsu.vx) are not included for EEW=64 in Zve64*.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-5-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve64f support for load and store insns

All Zve* extensions support all vector load and store instructions,
except Zve64* extensions do not support EEW=64 for index values when
XLEN=32.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-4-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve64f support for configuration insns

All Zve* extensions support the vector configuration instructions.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-3-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: rvv-1.0: Add Zve64f extension into RISC-V

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-2-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

softmmu/device_tree: Remove redundant pointer assignment

The pointer assignment "const char *p = path;" in function
qemu_fdt_add_path is unnecessary. Let's remove it and just
use the "path" passed in. No functional change.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20220111032758.27804-1-wangyanan55@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

softmmu/device_tree: Silence compiler warning with --enable-sanitizers

If I configure my build with --enable-sanitizers, my GCC (v8.5.0)
complains:

.../softmmu/device_tree.c: In function ‘qemu_fdt_add_path’:
.../softmmu/device_tree.c:560:18: error: ‘retval’ may be used uninitialized
 in this function [-Werror=maybe-uninitialized]
     int namelen, retval;
                  ^~~~~~

It's a false warning since the while loop is always executed at least
once (p has to be non-NULL, otherwise the derefence in the if-statement
earlier will crash). Thus let's switch to a do-while loop here instead
to make the compiler happy in all cases.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Yanan Wang <wangyanan55@huawei.com>
Message-id: 20220107133844.145039-1-thuth@redhat.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: enable riscv kvm accel

Add riscv kvm support in meson.build file.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Message-id: 20220112081329.1835-14-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Support virtual time context synchronization

Add virtual time context description to vmstate_kvmtimer. After cpu being
loaded, virtual time context is updated to KVM.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220112081329.1835-13-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Implement virtual time adjusting with vm state changing

We hope that virtual time adjusts with vm state changing. When a vm
is stopped, guest virtual time should stop counting and kvm_timer
should be stopped. When the vm is resumed, guest virtual time should
continue to count and kvm_timer should be restored.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220112081329.1835-12-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Add kvm_riscv_get/put_regs_timer

Add kvm_riscv_get/put_regs_timer to synchronize virtual time context
from KVM.

To set register of RISCV_TIMER_REG(state) will occur a error from KVM
on kvm_timer_state == 0. It's better to adapt in KVM, but it doesn't matter
that adaping in QEMU.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220112081329.1835-11-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Add host cpu type

'host' type cpu is set isa to RV32 or RV64 simply, more isa info
will obtain from KVM in kvm_arch_init_vcpu()

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Message-id: 20220112081329.1835-10-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Handle KVM_EXIT_RISCV_SBI exit

Use char-fe to handle console sbi call, which implement early
console io while apply 'earlycon=sbi' into kernel parameters.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220112081329.1835-9-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Support setting external interrupt by KVM

When KVM is enabled, set the S-mode external interrupt through
kvm_riscv_set_irq function.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Message-id: 20220112081329.1835-8-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Support start kernel directly by KVM

Get kernel and fdt start address in virt.c, and pass them to KVM
when cpu reset. Add kvm_riscv.h to place riscv specific interface.

In addition, PLIC is created without M-mode PLIC contexts when KVM
is enabled.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Message-id: 20220112081329.1835-7-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Implement kvm_arch_put_registers

Put GPR CSR and FP registers to kvm by KVM_SET_ONE_REG ioctl

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Message-id: 20220112081329.1835-6-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Implement kvm_arch_get_registers

Get GPR CSR and FP registers from kvm by KVM_GET_ONE_REG ioctl.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Message-id: 20220112081329.1835-5-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Implement function kvm_arch_init_vcpu

Get isa info from kvm while kvm init.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Message-id: 20220112081329.1835-4-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv: Add target/riscv/kvm.c to place the public kvm interface

Add target/riscv/kvm.c to place kvm_arch_* function needed by
kvm/kvm-all.c.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Message-id: 20220112081329.1835-3-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

update-linux-headers: Add asm-riscv/kvm.h

Add asm-riscv/kvm.h for RISC-V KVM.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Message-id: 20220112081329.1835-2-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

hw: timer: ibex_timer: update/add reg address

The following changes:
1. Fixes the incorrectly set CTRL register address. As
per [1] https://docs.opentitan.org/hw/ip/rv_timer/doc/#register-table

The CTRL register is @ 0x04.

This was found when attempting to fixup a bug where a timer_interrupt
was not serviced on TockOS-OpenTitan.

2. Adds ALERT_TEST register as documented on [1], adding repective
   switch cases to error handle and later implement functionality.

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20220111071025.4169189-2-alistair.francis@opensource.wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

riscv: opentitan: fixup plic stride len

The following change was made to rectify incorrectly set stride length
on the PLIC [1]. Where it should be 32bit and not 24bit (0x18). This was
discovered whilst attempting to fix a bug where a timer_interrupt was
not serviced on TockOS-OpenTitan.

[1] https://docs.opentitan.org/hw/top_earlgrey/ip_autogen/rv_plic/doc/

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20220111071025.4169189-1-alistair.francis@opensource.wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

hw: timer: ibex_timer: Fixup reading w/o register

This change fixes a bug where a write only register is read.
As per https://docs.opentitan.org/hw/ip/rv_timer/doc/#register-table
the 'INTR_TEST0' register is write only.

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220110051606.4031241-1-alistair.francis@opensource.wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20220120-1' into staging

target-arm:
 * hw/intc/arm_gicv3_its: Fix various minor bugs
 * hw/arm/aspeed: Add the i3c device to the AST2600 SoC
 * hw/arm: kudo: add lm75s behind bus 1 switch at 75
 * hw/arm/virt: Fix support for running guests on hosts
   with restricted IPA ranges
 * hw/intc/arm_gic: Allow reset of the running priority
 * hw/intc/arm_gic: Implement read of GICC_IIDR
 * hw/arm/virt: Support for virtio-mem-pci
 * hw/arm/virt: Support CPU cluster on ARM virt machine
 * docs/can: convert to restructuredText
 * hw/net: Move MV88W8618 network device out of hw/arm/ directory
 * hw/arm/virt: KVM: Enable PAuth when supported by the host

# gpg: Signature made Thu 20 Jan 2022 16:12:12 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20220120-1: (38 commits)
  hw/intc/arm_gicv3: Check for !MEMTX_OK instead of MEMTX_ERROR
  hw/intc/arm_gicv3_its: Range-check ICID before indexing into collection table
  hw/intc/arm_gicv3_its: Check indexes before use, not after
  hw/intc/arm_gicv3_its: Factor out "find address of table entry" code
  hw/intc/arm_gicv3_its: Fix return codes in process_mapd()
  hw/intc/arm_gicv3_its: Fix return codes in process_mapc()
  hw/intc/arm_gicv3_its: Fix return codes in process_mapti()
  hw/intc/arm_gicv3_its: Refactor process_its_cmd() to reduce nesting
  hw/intc/arm_gicv3_its: Fix return codes in process_its_cmd()
  hw/intc/arm_gicv3_its: Use enum for return value of process_* functions
  hw/intc/arm_gicv3_its: Don't use data if reading command failed
  hw/intc/arm_gicv3_its: Fix handling of process_its_cmd() return value
  hw/intc/arm_gicv3_its: Convert int ID check to num_intids convention
  hw/intc/arm_gicv3_its: Fix event ID bounds checks
  hw/arm/aspeed: Add the i3c device to the AST2600 SoC
  hw/misc/aspeed_i3c.c: Introduce a dummy AST2600 I3C model.
  hw/arm: kudo add lm75s behind bus 1 switch at 75
  hw/arm/virt: Drop superfluous checks against highmem
  hw/arm/virt: Disable highmem devices that don't fit in the PA range
  hw/arm/virt: Use the PA range to compute the memory map
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/intc/arm_gicv3: Check for !MEMTX_OK instead of MEMTX_ERROR

Quoting Peter Maydell:

 "These MEMTX_* aren't from the memory transaction
  API functions; they're just being used by gicd_readl() and
  friends as a way to indicate a success/failure so that the
  actual MemoryRegionOps read/write fns like gicv3_dist_read()
  can log a guest error."

We are going to introduce more MemTxResult bits, so it is
safer to check for !MEMTX_OK rather than MEMTX_ERROR.

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/intc/arm_gicv3_its: Range-check ICID before indexing into collection table

In process_its_cmd(), we read an ICID out of the interrupt table
entry, and then use it as an index into the collection table.  Add a
check that it is within range for the collection table first.

This check is not strictly necessary, because:
 * we range check the ICID from the guest before writing it into
   the interrupt table entry, so the the only way to get an
   out of range ICID in process_its_cmd() is if a badly-behaved
   guest is writing directly to the interrupt table memory
 * the collection table is in guest memory, so QEMU won't fall
   over if we read off the end of it

However, it seems clearer to include the check.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-14-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Check indexes before use, not after

In a few places in the ITS command handling functions, we were
doing the range-check of an event ID or device ID only after using
it as a table index; move the checks to before the uses.

This misordering wouldn't have very bad effects because the
tables are in guest memory anyway.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-13-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Factor out "find address of table entry" code

The ITS has several tables which all share a similar format,
described by the TableDesc struct: the guest may configure them
to be a single-level table or a two-level table. Currently we
open-code the process of finding the table entry in all the
functions which read or write the device table or the collection
table. Factor out the "get the address of the table entry"
logic into a new function, so that the code which needs to
read or write a table entry only needs to call table_entry_addr()
and then perform a suitable load or store to that address.

Note that the error handling is slightly complicated because
we want to handle two cases differently:
 * failure to read the L1 table entry should end up causing
   a command stall, like other kinds of DMA error
 * an L1 table entry that says there is no L2 table for this
   index (ie whose valid bit is 0) must result in us treating
   the table entry as not-valid on read, and discarding
   writes (this is mandated by the spec)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-12-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Fix return codes in process_mapd()

Fix process_mapd() to consistently return CMD_STALL for memory
errors and CMD_CONTINUE for parameter errors, as we claim in the
comments that we do.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-11-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Fix return codes in process_mapc()

Fix process_mapc() to consistently return CMD_STALL for memory
errors and CMD_CONTINUE for parameter errors, as we claim in the
comments that we do.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-10-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Fix return codes in process_mapti()

Fix process_mapti() to consistently return CMD_STALL for memory
errors and CMD_CONTINUE for parameter errors, as we claim in the
comments that we do.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-9-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Refactor process_its_cmd() to reduce nesting

Refactor process_its_cmd() so that it consistently uses
the structure
  do thing;
  if (error condition) {
      return early;
  }
  do next thing;

rather than doing some of the work nested inside if (not error)
code blocks.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-8-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Fix return codes in process_its_cmd()

Fix process_its_cmd() to consistently return CMD_STALL for
memory errors and CMD_CONTINUE for parameter errors, as
we claim in the comments that we do.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-7-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Use enum for return value of process_* functions

When an ITS detects an error in a command, it has an
implementation-defined (CONSTRAINED UNPREDICTABLE) choice of whether
to ignore the command, proceeding to the next one in the queue, or to
stall the ITS command queue, processing nothing further.  The
behaviour required when the read of the command packet from memory
fails is less clearly documented, but the same set of choices as for
command errors seem reasonable.

The intention of the QEMU implementation, as documented in the
comments, is that if we encounter a memory error reading the command
packet or one of the various data tables then we should stall, but
for command parameter errors we should ignore the queue and continue.
However, we don't actually do this.  To get the desired behaviour,
the various process_* functions need to return true to cause
process_cmdq() to advance to the next command and keep processing,
and false to stall command processing.  What they mostly do is return
false for any kind of error.

To make the code clearer, replace the 'bool' return from the process_
functions with an enum which may be either CMD_STALL or CMD_CONTINUE.
In this commit no behaviour changes; in subsequent commits we will
adjust the error-return paths for the process_ functions one by one.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220111171048.3545974-6-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Don't use data if reading command failed

In process_cmdq(), we read 64 bits of the command packet, which
contain the command identifier, which we then switch() on to dispatch
to an appropriate sub-function.  However, if address_space_ldq_le()
reports a memory transaction failure, we still read the command
identifier out of the data and switch() on it.  Restructure the code
so that we stop immediately (stalling the command queue) in this
case.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220111171048.3545974-5-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Fix handling of process_its_cmd() return value

process_its_cmd() returns a bool, like all the other process_ functions.
However we were putting its return value into 'res', not 'result',
which meant we would ignore it when deciding whether to continue
or stall the command queue. Fix the typo.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220111171048.3545974-4-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Convert int ID check to num_intids convention

The bounds check on the number of interrupt IDs is correct, but
doesn't match our convention; change the variable name, initialize it
to the 2^n value rather than (2^n)-1, and use >= instead of > in the
comparison.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-3-peter.maydell@linaro.org

hw/intc/arm_gicv3_its: Fix event ID bounds checks

In process_its_cmd() and process_mapti() we must check the
event ID against a limit defined by the size field in the DTE,
which specifies the number of ID bits minus one. Convert
this code to our num_foo convention:
 * change the variable names
 * use uint64_t and 1ULL when calculating the number
   of valid event IDs, because DTE.SIZE is 5 bits and
   so num_eventids may be up to 2^32
 * fix the off-by-one error in the comparison

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220111171048.3545974-2-peter.maydell@linaro.org

hw/arm/aspeed: Add the i3c device to the AST2600 SoC

Add the new i3c device to the AST2600 SoC.

Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Reviewed-by: Graeme Gregory <quic_ggregory@quicinc.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Graeme Gregory <quic_ggregory@quicinc.com>
Message-id: 20220111084546.4145785-3-troy_lee@aspeedtech.com
[PMM: tidied commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/misc/aspeed_i3c.c: Introduce a dummy AST2600 I3C model.

Aspeed 2600 SDK enables I3C support by default.  The I3C driver will try
to reset the device controller and set it up through device address table
register.  This dummy model responds to these registers with default values
as listed in the ast2600v10 datasheet chapter 54.2.

This avoids a guest machine kernel panic due to referencing an
invalid kernel address if the device address table register isn't
set correctly.

Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Reviewed-by: Graeme Gregory <quic_ggregory@quicinc.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Graeme Gregory <quic_ggregory@quicinc.com>
Message-id: 20220111084546.4145785-2-troy_lee@aspeedtech.com
[PMM: tidied commit message; fixed format strings]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm: kudo add lm75s behind bus 1 switch at 75

Reviewed-by: Hao Wu <wuhaotsh@google.com>
Signed-off-by: Patrick Venture <venture@google.com>
Message-id: 20220111172338.1525587-1-venture@google.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: Drop superfluous checks against highmem

Now that the devices present in the extended memory map are checked
against the available PA space and disabled when they don't fit,
there is no need to keep the same checks against highmem, as
highmem really is a shortcut for the PA space being 32bit.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Message-id: 20220114140741.1358263-7-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: Disable highmem devices that don't fit in the PA range

In order to only keep the highmem devices that actually fit in
the PA range, check their location against the range and update
highest_gpa if they fit. If they don't, mark them as disabled.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-6-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: Use the PA range to compute the memory map

The highmem attribute is nothing but another way to express the
PA range of a VM. To support HW that has a smaller PA range then
what QEMU assumes, pass this PA range to the virt_set_memmap()
function, allowing it to correctly exclude highmem devices
if they are outside of the PA range.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-5-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: Honor highmem setting when computing the memory map

Even when the VM is configured with highmem=off, the highest_gpa
field includes devices that are above the 4GiB limit.
Similarily, nothing seem to check that the memory is within
the limit set by the highmem=off option.

This leads to failures in virt_kvm_type() on systems that have
a crippled IPA range, as the reported IPA space is larger than
what it should be.

Instead, honor the user-specified limit to only use the devices
at the lowest end of the spectrum, and fail if we have memory
crossing the 4GiB limit.

Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Message-id: 20220114140741.1358263-4-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: Add a control for the the highmem redistributors

Just like we can control the enablement of the highmem PCIe region
using highmem_ecam, let's add a control for the highmem GICv3
redistributor region.

Similarily to highmem_ecam, these redistributors are disabled when
highmem is off.

Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-3-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: Add a control for the the highmem PCIe MMIO

Just like we can control the enablement of the highmem PCIe ECAM
region using highmem_ecam, let's add a control for the highmem
PCIe MMIO  region.

Similarily to highmem_ecam, this region is disabled when highmem
is off.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-2-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/intc/arm_gic: Allow reset of the running priority

When running Linux on a machine with GICv2, the kernel can crash while
processing an interrupt and can subsequently start a kdump kernel from
the active interrupt handler. In such a case, the crashed kernel might
not gracefully signal the end of interrupt to the GICv2 hardware. The
kdump kernel will however try to reset the GIC state on startup to get
the controller into a sane state, in particular the kernel writes ones
to GICD_ICACTIVERn and wipes out GICC_APRn to make sure that no
interrupt is active.

The patch adds a logic to recalculate the running priority when
GICC_APRn/GICC_NSAPRn is written which makes sure that the mentioned
reset works with the GICv2 emulation in QEMU too and the kdump kernel
starts receiving interrupts.

The described scenario can be reproduced on an AArch64 QEMU virt machine
with a kdump-enabled Linux system by using the softdog module. The kdump
kernel will hang at some point because QEMU still thinks the running
priority is that of the timer interrupt and asserts no new interrupts to
the system:
$ modprobe softdog soft_margin=10 soft_panic=1
$ cat > /dev/watchdog
[Press Enter to start the watchdog, wait for its timeout and observe
that the kdump kernel hangs on startup.]

Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Message-id: 20220113151916.17978-3-ppavlu@suse.cz
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/intc/arm_gic: Implement read of GICC_IIDR

Implement support for reading GICC_IIDR. This register is used by the
Linux kernel to recognize that GICv2 with GICC_APRn is present.

Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Message-id: 20220113151916.17978-2-ppavlu@suse.cz
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: Support for virtio-mem-pci

This supports virtio-mem-pci device on "virt" platform, by simply
following the implementation on x86.

   * This implements the hotplug handlers to support virtio-mem-pci
     device hot-add, while the hot-remove isn't supported as we have
     on x86.

   * The block size is 512MB on ARM64 instead of 128MB on x86.

   * It has been passing the tests with various combinations like 64KB
     and 4KB page sizes on host and guest, different memory device
     backends like normal, transparent huge page and HugeTLB, plus
     migration.

Co-developed-by: David Hildenbrand <david@redhat.com>
Co-developed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-id: 20220111063329.74447-3-gshan@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

virtio-mem: Correct default THP size for ARM64

The default block size is same as to the THP size, which is either
retrieved from "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size"
or hardcoded to 2MB. There are flaws in both mechanisms and this
intends to fix them up.

  * When "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size" is
    used to getting the THP size, 32MB and 512MB are valid values
    when we have 16KB and 64KB page size on ARM64.

  * When the hardcoded THP size is used, 2MB, 32MB and 512MB are
    valid values when we have 4KB, 16KB and 64KB page sizes on
    ARM64.

Co-developed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-id: 20220111063329.74447-2-gshan@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

docs/can: convert to restructuredText

Buglink: https://gitlab.com/qemu-project/qemu/-/issues/527
Signed-off-by: Lucas Ramage <lucas.ramage@infinite-omicron.com>
Message-id: 20220105205628.5491-1-oxr463@gmx.us
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: Move to docs/system/devices/ rather than top-level;
 fix a pre-existing typo in passing]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

tests/acpi/bios-table-test: Update expected virt/PPTT file

Run ./tests/data/acpi/rebuild-expected-aml.sh from build directory
to update PPTT binary. Also empty bios-tables-test-allowed-diff.h.

The disassembled differences between actual and expected PPTT:

 /*
  * Intel ACPI Component Architecture
  * AML/ASL+ Disassembler version 20200528 (64-bit version)
  * Copyright (c) 2000 - 2020 Intel Corporation
  *
- * Disassembly of tests/data/acpi/virt/PPTT, Tue Jan  4 12:51:11 2022
+ * Disassembly of /tmp/aml-2ZGOF1, Tue Jan  4 12:51:11 2022
  *
  * ACPI Data Table [PPTT]
  *
  * Format: [HexOffset DecimalOffset ByteLength]  FieldName : FieldValue
  */

 [000h 0000   4]                    Signature : "PPTT"    [Processor Properties Topology Table]
-[004h 0004   4]                 Table Length : 0000004C
+[004h 0004   4]                 Table Length : 00000060
 [008h 0008   1]                     Revision : 02
-[009h 0009   1]                     Checksum : A8
+[009h 0009   1]                     Checksum : 48
 [00Ah 0010   6]                       Oem ID : "BOCHS "
 [010h 0016   8]                 Oem Table ID : "BXPC    "
 [018h 0024   4]                 Oem Revision : 00000001
 [01Ch 0028   4]              Asl Compiler ID : "BXPC"
 [020h 0032   4]        Asl Compiler Revision : 00000001

 [024h 0036   1]                Subtable Type : 00 [Processor Hierarchy Node]
 [025h 0037   1]                       Length : 14
 [026h 0038   2]                     Reserved : 0000
 [028h 0040   4]        Flags (decoded below) : 00000001
                             Physical package : 1
                      ACPI Processor ID valid : 0
                        Processor is a thread : 0
                               Node is a leaf : 0
                     Identical Implementation : 0
 [02Ch 0044   4]                       Parent : 00000000
 [030h 0048   4]            ACPI Processor ID : 00000000
 [034h 0052   4]      Private Resource Number : 00000000

 [038h 0056   1]                Subtable Type : 00 [Processor Hierarchy Node]
 [039h 0057   1]                       Length : 14
 [03Ah 0058   2]                     Reserved : 0000
-[03Ch 0060   4]        Flags (decoded below) : 0000000A
+[03Ch 0060   4]        Flags (decoded below) : 00000000
                             Physical package : 0
-                     ACPI Processor ID valid : 1
+                     ACPI Processor ID valid : 0
                        Processor is a thread : 0
-                              Node is a leaf : 1
+                              Node is a leaf : 0
                     Identical Implementation : 0
 [040h 0064   4]                       Parent : 00000024
 [044h 0068   4]            ACPI Processor ID : 00000000
 [048h 0072   4]      Private Resource Number : 00000000

-Raw Table Data: Length 76 (0x4C)
+[04Ch 0076   1]                Subtable Type : 00 [Processor Hierarchy Node]
+[04Dh 0077   1]                       Length : 14
+[04Eh 0078   2]                     Reserved : 0000
+[050h 0080   4]        Flags (decoded below) : 0000000A
+                            Physical package : 0
+                     ACPI Processor ID valid : 1
+                       Processor is a thread : 0
+                              Node is a leaf : 1
+                    Identical Implementation : 0
+[054h 0084   4]                       Parent : 00000038
+[058h 0088   4]            ACPI Processor ID : 00000000
+[05Ch 0092   4]      Private Resource Number : 00000000
+
+Raw Table Data: Length 96 (0x60)

-    0000: 50 50 54 54 4C 00 00 00 02 A8 42 4F 43 48 53 20  // PPTTL.....BOCHS
+    0000: 50 50 54 54 60 00 00 00 02 48 42 4F 43 48 53 20  // PPTT`....HBOCHS
     0010: 42 58 50 43 20 20 20 20 01 00 00 00 42 58 50 43  // BXPC    ....BXPC
     0020: 01 00 00 00 00 14 00 00 01 00 00 00 00 00 00 00  // ................
-    0030: 00 00 00 00 00 00 00 00 00 14 00 00 0A 00 00 00  // ................
-    0040: 24 00 00 00 00 00 00 00 00 00 00 00              // $...........
+    0030: 00 00 00 00 00 00 00 00 00 14 00 00 00 00 00 00  // ................
+    0040: 24 00 00 00 00 00 00 00 00 00 00 00 00 14 00 00  // $...............
+    0050: 0A 00 00 00 38 00 00 00 00 00 00 00 00 00 00 00  // ....8...........

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Message-id: 20220107083232.16256-7-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/acpi/aml-build: Support cluster level in PPTT generation

Support CPU cluster topology level in generation of ACPI
Processor Properties Topology Table (PPTT).

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20220107083232.16256-6-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

tests/acpi/bios-tables-test: Allow changes to virt/PPTT file

List test/data/acpi/virt/PPTT as the expected files allowed to
be changed in tests/qtest/bios-tables-test-allowed-diff.h

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Acked-by: Ani Sinha <ani@anisinha.ca>
Message-id: 20220107083232.16256-5-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/acpi/aml-build: Improve scalability of PPTT generation

Use g_queue APIs to reduce the nested loops and code indentation
with the processor hierarchy levels increasing. Consenquently,
it's more scalable to add new topology level to build_pptt.

No functional change intended.

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20220107083232.16256-4-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: Support cluster level in DT cpu-map

Support one cluster level between core and physical package in the
cpu-map of Arm/virt devicetree. This is also consistent with Linux
Doc "Documentation/devicetree/bindings/cpu/cpu-topology.txt".

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20220107083232.16256-3-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: Support CPU cluster on ARM virt machine

ARM64 machines like Kunpeng Family Server Chips have a level
of hardware topology in which a group of CPU cores share L3
cache tag or L2 cache. For example, Kunpeng 920 typically
has 6 or 8 clusters in each NUMA node (also represent range
of CPU die), and each cluster has 4 CPU cores. All clusters
share L3 cache data, but CPU cores in each cluster share a
local L3 tag.

Running a guest kernel with Cluster-Aware Scheduling on the
Hosts which have physical clusters, if we can design a vCPU
topology with cluster level for guest kernel and then have
a dedicated vCPU pinning, the guest will gain scheduling
performance improvement from cache affinity of CPU cluster.

So let's enable the support for this new parameter on ARM
virt machines. After this patch, we can define a 4-level
CPU hierarchy like: cpus=*,maxcpus=*,sockets=*,clusters=*,
cores=*,threads=*.

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20220107083232.16256-2-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/net: Move MV88W8618 network device out of hw/arm/ directory

The Marvell 88W8618 network device is hidden in the Musicpal
machine. Move it into a new unit file under the hw/net/ directory.

Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220107184429.423572-4-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/musicpal: Fix coding style of code related to MV88W8618 device

We are going to move this code, so fix its style first to avoid:

  ERROR: spaces required around that '/' (ctx:VxV)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220107184429.423572-3-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw: Move MARVELL_88W8618 Kconfig from audio/ to arm/

The Marvell 88W8618 is a system-on-chip with an ARM core.
We implement its audio codecs and network interface.
Homogeneous SoC Kconfig are usually defined in the hw/$ARCH
directory. Move it there.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220107184429.423572-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt: KVM: Enable PAuth when supported by the host

Add basic support for Pointer Authentication when running a KVM
guest and that the host supports it, loosely based on the SVE
support.

Although the feature is enabled by default when the host advertises
it, it is possible to disable it by setting the 'pauth=off' CPU
property. The 'pauth' comment is removed from cpu-features.rst,
as it is now common to both TCG and KVM.

Tested on an Apple M1 running 5.16-rc6.

Cc: Eric Auger <eric.auger@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220107150154.2490308-1-maz@kernel.org
[PMM: fixed indentation]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Merge remote-tracking branch 'remotes/vivier/tags/m68k-for-7.0-pull-request' into staging

m68k pull request 20220120

Fix virt-m68k reboot

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# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier/tags/m68k-for-7.0-pull-request:
  m68k: virt: correctly set the initial PC
  hw/elf_ops: clear uninitialized segment space
  exec/memory: Extract address_space_set() from dma_memory_set()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

m68k: virt: correctly set the initial PC

According to QEMU parameter, set initial PC to the entry of
the loaded kernel.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220115203725.3834712-4-laurent@vivier.eu>

hw/elf_ops: clear uninitialized segment space

When the mem_size of the segment is bigger than the file_size,
and if this space doesn't overlap another segment, it needs
to be cleared.

This bug is very similar to the one we had for linux-user,
22d113b52f41 ("linux-user: Fix loading of BSS segments"),
where .bss section is encoded as an extension of the the data
one by setting the segment p_memsz > p_filesz.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
[PMD: Use recently added address_space_set()]
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220115203725.3834712-3-laurent@vivier.eu>

exec/memory: Extract address_space_set() from dma_memory_set()

dma_memory_set() does a DMA barrier, set the address space with
a constant value. The constant value filling code is not specific
to DMA and can be used for AddressSpace. Extract it as a new
helper: address_space_set().

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[lv: rebase]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20220115203725.3834712-2-laurent@vivier.eu>

Merge remote-tracking branch 'remotes/kraxel/tags/seabios-20220118-pull-request' into staging

seabios: update to snapshot

# gpg: Signature made Tue 18 Jan 2022 11:21:35 GMT
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/seabios-20220118-pull-request:
  seabios: update binaries to snapshot
  seabios: update submodule to snapshot

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2022-01-19' into staging

* Fix bits in one of the PMCW channel subsystem masks
* s390x TCG shift instruction fixes
* Re-organization for the MAINTAINERS file
* Support for extended length of kernel command lines
* Re-order the SIGP STOP code

# gpg: Signature made Wed 19 Jan 2022 08:26:01 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/thuth-gitlab/tags/pull-request-2022-01-19:
  s390x: sigp: Reorder the SIGP STOP code
  s390x/ipl: support extended kernel command line size
  MAINTAINERS: Add myself to s390 I/O areas
  MAINTAINERS: split out s390x sections
  tests/tcg/s390x: Test shift instructions
  target/s390x: Fix shifting 32-bit values for more than 31 bits
  target/s390x: Fix cc_calc_sla_64() missing overflows
  target/s390x: Fix SRDA CC calculation
  target/s390x: Fix SLDA sign bit index
  s390x/css: fix PMCW invalid mask

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Merge remote-tracking branch 'remotes/stsquad/tags/pull-for-7.0-180122-2' into staging

Various testing and other misc updates:

  - fix compiler warnings with ui and sdl
  - update QXL/spice dependancy
  - skip I/O tests on Alpine
  - update fedora image to latest version
  - integrate lcitool and regenerate docker images
  - favour CONFIG_LINUX_USER over CONFIG_LINUX
  - add libfuse3 dependencies to docker images
  - add dtb-kaslr-seed control knob to virt machine
  - fix build breakage from HMP update
  - update docs for C standard and suffix usage
  - add more logging for debugging user hole finding
  - expand reserve for brk() for static 64 bit programs
  - fix bug with linux-user hole calculation
  - avoid affecting flags when printing results in float tests
  - add float reference files for ppc64
  - update FreeBSD to 12.3
  - add bison dependancy to tricore images

# gpg: Signature made Tue 18 Jan 2022 16:47:42 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-for-7.0-180122-2: (31 commits)
  docker: include bison in debian-tricore-cross
  FreeBSD: Upgrade to 12.3 release
  test/tcg/ppc64le: Add float reference files
  tests/tcg/multiarch: Read fp flags before printf
  linux-user: don't adjust base of found hole
  linux-user/elfload: add extra logging for hole finding
  linux-user: expand reserved brk space for 64bit guests
  docs/devel: more documentation on the use of suffixes
  docs/devel: update C standard to C11
  monitor: move x-query-profile into accel/tcg to fix build
  hw/arm: add control knob to disable kaslr_seed via DTB
  tests/docker: add libfuse3 development headers
  tests/tcg: use CONFIG_LINUX_USER, not CONFIG_LINUX
  tests/docker: auto-generate alpine.docker with lcitool
  tests/docker: fully expand the alpine package list
  tests/docker: fix sorting of alpine image package lists
  tests/docker: updates to alpine package list
  .gitlab-ci.d/cirrus: auto-generate variables with lcitool
  tests/docker: remove ubuntu.docker container
  tests/docker: auto-generate opensuse-leap.docker with lcitool
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Merge remote-tracking branch 'remotes/lvivier-gitlab/tags/trivial-branch-for-7.0-pull-request' into staging

trivial patches pull request 20220118

Fix comments and typos
Add vmstate for ETRAX timers
Use ldst in megasas

# gpg: Signature made Tue 18 Jan 2022 12:28:04 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/lvivier-gitlab/tags/trivial-branch-for-7.0-pull-request:
  linux-user: Remove MAX_SIGQUEUE_SIZE
  linux-user: Return void from queue_signal()
  linux-user: Rename user_force_sig tracepoint to match function name
  linux-user: Fix comment typo in arm cpu_loop code
  softmmu: Provide a clue as to why device tree loading failed
  tests: Fix typo in check-help output
  qdev-core.h: Fix wrongly named reference to TYPE_SPLIT_IRQ
  hw/scsi/megasas: Simplify using the ldst API
  hw/timer/etraxfs_timer: Add vmstate for ETRAX timers

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220118' into staging

ppc 7.0 queue:

* More documentation updates (Leonardo)
* Fixes for the 7448 CPU (Fabiano and Cedric)
* Final removal of 403 CPUs and the .load_state_old handler (Cedric)
* More cleanups of PHB4 models (Daniel and Cedric)

# gpg: Signature made Tue 18 Jan 2022 11:59:16 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# 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: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* remotes/legoater/tags/pull-ppc-20220118: (31 commits)
  ppc/pnv: Remove PHB4 version property
  ppc/pnv: Add a 'rp_model' class attribute for the PHB4 PEC
  ppc/pnv: Move root port allocation under pnv_pec_default_phb_realize()
  ppc/pnv: rename pnv_pec_stk_update_map()
  ppc/pnv: remove PnvPhb4PecStack object
  ppc/pnv: make PECs create and realize PHB4s
  ppc/pnv: remove PnvPhb4PecStack::stack_no
  ppc/pnv: move default_phb_realize() to pec_realize()
  ppc/pnv: remove stack pointer from PnvPHB4
  ppc/pnv: reduce stack->stack_no usage
  ppc/pnv: introduce PnvPHB4 'pec' property
  ppc/pnv: move phb_regs_mr to PnvPHB4
  ppc/pnv: move nest_regs_mr to PnvPHB4
  ppc/pnv: change pnv_pec_stk_update_map() to use PnvPHB4
  ppc/pnv: move nest_regs[] to PnvPHB4
  ppc/pnv: move mmbar0/mmbar1 and friends to PnvPHB4
  ppc/pnv: change pnv_phb4_update_regions() to use PnvPHB4
  ppc/pnv: move intbar to PnvPHB4
  ppc/pnv: move phbbar to PnvPHB4
  ppc/pnv: move PCI registers to PnvPHB4
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

docker: include bison in debian-tricore-cross

Binutils sometimes fail to build if bison is not installed:

  /bin/sh ./ylwrap `test -f arparse.y || echo ./`arparse.y y.tab.c arparse.c y.tab.h arparse.h y.output arparse.output --  -d
  ./ylwrap: 109: ./ylwrap: -d: not found

(the correct invocation of ylwrap would have "bison -d" after the double
dash).  Work around by installing it in the container.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/596
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211221111624.352804-1-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220105135009.1584676-34-alex.bennee@linaro.org>

FreeBSD: Upgrade to 12.3 release

Note, since libtasn1 was fixed in 12.3 [*], this commit re-enables GnuTLS.

[*] https://gitlab.com/gnutls/libtasn1/-/merge_requests/71

Signed-off-by: Brad Smith <brad@comstyle.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <YdUCQLVe5JSWZByQ@humpty.home.comstyle.com>
Message-Id: <20220105135009.1584676-31-alex.bennee@linaro.org>

test/tcg/ppc64le: Add float reference files

Generated on Power9, PowerNV 9006-22P.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211224035541.2159966-3-richard.henderson@linaro.org>
Message-Id: <20220105135009.1584676-30-alex.bennee@linaro.org>

tests/tcg/multiarch: Read fp flags before printf

We need to read the floating-point flags before printf may do
other floating-point operations which may affect the flags.

Hexagon reference files regenerated by Taylor Simpson.

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1639510781-3790-1-git-send-email-tsimpson@quicinc.com>
Message-Id: <20211224035541.2159966-2-richard.henderson@linaro.org>
Message-Id: <20220105135009.1584676-29-alex.bennee@linaro.org>