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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
'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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
* 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
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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>
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>
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
