qom: Have class_init() take a const data argument

Mechanical change using gsed, then style manually adapted
to pass checkpatch.pl script.

Suggested-by: Richard Henderson <richard.henderson@linaro.o

qom: Have class_init() take a const data argument

Mechanical change using gsed, then style manually adapted
to pass checkpatch.pl script.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-4-philmd@linaro.org>

show more ...

Merge tag 'exec-20241220' of https://github.com/philmd/qemu into staging

Accel & Exec patch queue

- Ignore writes to CNTP_CTL_EL0 on HVF ARM (Alexander)
- Add '-d invalid_mem' logging option (Zolta

Merge tag 'exec-20241220' of https://github.com/philmd/qemu into staging

Accel & Exec patch queue

- Ignore writes to CNTP_CTL_EL0 on HVF ARM (Alexander)
- Add '-d invalid_mem' logging option (Zoltan)
- Create QOM containers explicitly (Peter)
- Rename sysemu/ -> system/ (Philippe)
- Re-orderning of include/exec/ headers (Philippe)
Move a lot of declarations from these legacy mixed bag headers:
. "exec/cpu-all.h"
. "exec/cpu-common.h"
. "exec/cpu-defs.h"
. "exec/exec-all.h"
. "exec/translate-all"
to these more specific ones:
. "exec/page-protection.h"
. "exec/translation-block.h"
. "user/cpu_loop.h"
. "user/guest-host.h"
. "user/page-protection.h"

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# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [unknown]
# 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: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE

* tag 'exec-20241220' of https://github.com/philmd/qemu: (59 commits)
util/qemu-timer: fix indentation
meson: Do not define CONFIG_DEVICES on user emulation
system/accel-ops: Remove unnecessary 'exec/cpu-common.h' header
system/numa: Remove unnecessary 'exec/cpu-common.h' header
hw/xen: Remove unnecessary 'exec/cpu-common.h' header
target/mips: Drop left-over comment about Jazz machine
target/mips: Remove tswap() calls in semihosting uhi_fstat_cb()
target/xtensa: Remove tswap() calls in semihosting simcall() helper
accel/tcg: Un-inline translator_is_same_page()
accel/tcg: Include missing 'exec/translation-block.h' header
accel/tcg: Move tcg_cflags_has/set() to 'exec/translation-block.h'
accel/tcg: Restrict curr_cflags() declaration to 'internal-common.h'
qemu/coroutine: Include missing 'qemu/atomic.h' header
exec/translation-block: Include missing 'qemu/atomic.h' header
accel/tcg: Declare cpu_loop_exit_requested() in 'exec/cpu-common.h'
exec/cpu-all: Include 'cpu.h' earlier so MMU_USER_IDX is always defined
target/sparc: Move sparc_restore_state_to_opc() to cpu.c
target/sparc: Uninline cpu_get_tb_cpu_state()
target/loongarch: Declare loongarch_cpu_dump_state() locally
user: Move various declarations out of 'exec/exec-all.h'
...

Conflicts:
hw/char/riscv_htif.c
hw/intc/riscv_aplic.c
target/s390x/cpu.c

Apply sysemu header path changes to not in the pull request.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

include: Rename sysemu/ -> system/

Headers in include/sysemu/ are not only related to system
*emulation*, they are also used by virtualization. Rename
as system/ which is clearer.

Files renamed man

include: Rename sysemu/ -> system/

Headers in include/sysemu/ are not only related to system
*emulation*, they are also used by virtualization. Rename
as system/ which is clearer.

Files renamed manually then mechanical change using sed tool.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Message-Id: <20241203172445.28576-1-philmd@linaro.org>

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include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST

Now that all of the Property arrays are counted, we can remove
the terminator object from each array. Update the assertions
in device_clas

include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST

Now that all of the Property arrays are counted, we can remove
the terminator object from each array. Update the assertions
in device_class_set_props to match.

With struct Property being 88 bytes, this was a rather large
form of terminator. Saves 30k from qemu-system-aarch64.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-21-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

hw/intc: Constify all Property

Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.hend

hw/intc: Constify all Property

Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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hw/intc: Don't clear pending bits on IRQ lowering

According to PLIC specification (chapter 5), there
is only one case, when interrupt is claimed. Fix
PLIC controller to match this behavior.

Signed-

hw/intc: Don't clear pending bits on IRQ lowering

According to PLIC specification (chapter 5), there
is only one case, when interrupt is claimed. Fix
PLIC controller to match this behavior.

Signed-off-by: Sergey Makarov <s.makarov@syntacore.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240918140229.124329-3-s.makarov@syntacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/intc: Make zeroth priority register read-only

According to PLIC specification chapter 4, zeroth
priority register is reserved. Discard writes to
this register.

Signed-off-by: Sergey Makarov <s.m

hw/intc: Make zeroth priority register read-only

According to PLIC specification chapter 4, zeroth
priority register is reserved. Discard writes to
this register.

Signed-off-by: Sergey Makarov <s.makarov@syntacore.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240918140229.124329-2-s.makarov@syntacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw: Use device_class_set_legacy_reset() instead of opencoding

Use device_class_set_legacy_reset() instead of opencoding an
assignment to DeviceClass::reset. This change was produced
with:
spatch --

hw: Use device_class_set_legacy_reset() instead of opencoding

Use device_class_set_legacy_reset() instead of opencoding an
assignment to DeviceClass::reset. This change was produced
with:
spatch --macro-file scripts/cocci-macro-file.h \
--sp-file scripts/coccinelle/device-reset.cocci \
--keep-comments --smpl-spacing --in-place --dir hw

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240830145812.1967042-8-peter.maydell@linaro.org

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hw/intc: Constify VMState

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-35-richard.henderson@linaro.org>

hw/intc: sifive_plic: Fix the pending register range check

The pending register upper limit is currently set to
plic->num_sources >> 3, which is wrong, e.g.: considering
plic->num_sources is 7, the

hw/intc: sifive_plic: Fix the pending register range check

The pending register upper limit is currently set to
plic->num_sources >> 3, which is wrong, e.g.: considering
plic->num_sources is 7, the upper limit becomes 0 which fails
the range check if reading the pending register at pending_base.

Fixes: 1e24429e40df ("SiFive RISC-V PLIC Block")
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221211030829.802437-16-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

hw/intc: sifive_plic: Change "priority-base" to start from interrupt source 0

At present the SiFive PLIC model "priority-base" expects interrupt
priority register base starting from source 1 instead

hw/intc: sifive_plic: Change "priority-base" to start from interrupt source 0

At present the SiFive PLIC model "priority-base" expects interrupt
priority register base starting from source 1 instead source 0,
that's why on most platforms "priority-base" is set to 0x04 except
'opentitan' machine. 'opentitan' should have set "priority-base"
to 0x04 too.

Note the irq number calculation in sifive_plic_{read,write} is
correct as the codes make up for the irq number by adding 1.

Let's simply update "priority-base" to start from interrupt source
0 and add a comment to make it crystal clear.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Message-Id: <20221211030829.802437-14-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/intc: sifive_plic: Update "num-sources" property default value

At present the default value of "num-sources" property is zero,
which does not make a lot of sense, as in sifive_plic_realize()
we s

hw/intc: sifive_plic: Update "num-sources" property default value

At present the default value of "num-sources" property is zero,
which does not make a lot of sense, as in sifive_plic_realize()
we see s->bitfield_words is calculated by:

s->bitfield_words = (s->num_sources + 31) >> 5;

if the we don't configure "num-sources" property its default value
zero makes s->bitfield_words zero too, which isn't true because
interrupt source 0 still occupies one word.

Let's change the default value to 1 meaning that only interrupt
source 0 is supported by default and a sanity check in realize().

While we are here, add a comment to describe the exact meaning of
this property that the number should include interrupt source 0.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221211030829.802437-9-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

hw/intc: sifive_plic: Use error_setg() to propagate the error up via errp in sifive_plic_realize()

The realize() callback has an errp for us to propagate the error up.
While we are here, correct the

hw/intc: sifive_plic: Use error_setg() to propagate the error up via errp in sifive_plic_realize()

The realize() callback has an errp for us to propagate the error up.
While we are here, correct the wrong multi-line comment format.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221211030829.802437-8-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

hw/intc: sifive_plic: Improve robustness of the PLIC config parser

At present the PLIC config parser can only handle legal config string
like "MS,MS". However if a config string like ",MS,MS,,MS,MS,

hw/intc: sifive_plic: Improve robustness of the PLIC config parser

At present the PLIC config parser can only handle legal config string
like "MS,MS". However if a config string like ",MS,MS,,MS,MS,," is
given the parser won't get the correct configuration.

This commit improves the config parser to make it more robust.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221211030829.802437-7-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

hw/intc: sifive_plic: Drop PLICMode_H

H-mode has been removed since priv spec 1.10. Drop it.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Revie

hw/intc: sifive_plic: Drop PLICMode_H

H-mode has been removed since priv spec 1.10. Drop it.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221211030829.802437-6-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/intc: sifive_plic: fix out-of-bound access of source_priority array

If the number of interrupt is not multiple of 32, PLIC will have
out-of-bound access to source_priority array. Compute the numb

hw/intc: sifive_plic: fix out-of-bound access of source_priority array

If the number of interrupt is not multiple of 32, PLIC will have
out-of-bound access to source_priority array. Compute the number of
interrupt in the last word to avoid this out-of-bound access of array.

Signed-off-by: Jim Shu <jim.shu@sifive.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Message-Id: <20221127165753.30533-1-jim.shu@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/intc: sifive_plic: Renumber the S irqs for numa support

Commit 40244040a7a changed the way the S irqs are numbered. This breaks when
using numa configuration, e.g.:
./qemu-system-riscv64 -nograph

hw/intc: sifive_plic: Renumber the S irqs for numa support

Commit 40244040a7a changed the way the S irqs are numbered. This breaks when
using numa configuration, e.g.:
./qemu-system-riscv64 -nographic -machine virt,dumpdtb=numa-tree.dtb \
-m 2G -smp cpus=16 \
-object memory-backend-ram,id=mem0,size=512M \
-object memory-backend-ram,id=mem1,size=512M \
-object memory-backend-ram,id=mem2,size=512M \
-object memory-backend-ram,id=mem3,size=512M \
-numa node,cpus=0-3,memdev=mem0,nodeid=0 \
-numa node,cpus=4-7,memdev=mem1,nodeid=1 \
-numa node,cpus=8-11,memdev=mem2,nodeid=2 \
-numa node,cpus=12-15,memdev=mem3,nodeid=3
leads to:
Unexpected error in object_property_find_err() at ../qom/object.c:1304:
qemu-system-riscv64: Property 'riscv.sifive.plic.unnamed-gpio-out[8]' not
found

This patch makes the nubering of the S irqs identical to what it was before.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr>
Message-Id: <20221114135122.1668703-1-frederic.petrot@univ-grenoble-alpes.fr>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/intc: sifive_plic: change interrupt priority register to WARL field

PLIC spec [1] requires interrupt source priority registers are WARL
field and the number of supported priority is power-of-2 to

hw/intc: sifive_plic: change interrupt priority register to WARL field

PLIC spec [1] requires interrupt source priority registers are WARL
field and the number of supported priority is power-of-2 to simplify SW
discovery.

Existing QEMU RISC-V machine (e.g. shakti_c) don't strictly follow PLIC
spec, whose number of supported priority is not power-of-2. Just change
each bit of interrupt priority register to WARL field when the number of
supported priority is power-of-2.

[1] https://github.com/riscv/riscv-plic-spec/blob/master/riscv-plic.adoc#interrupt-priorities

Signed-off-by: Jim Shu <jim.shu@sifive.com>
Reviewed-by: Clément Chigot <chigot@adacore.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221003041440.2320-3-jim.shu@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/intc: sifive_plic: fix hard-coded max priority level

The maximum priority level is hard-coded when writing to interrupt
priority register. However, when writing to priority threshold register,
th

hw/intc: sifive_plic: fix hard-coded max priority level

The maximum priority level is hard-coded when writing to interrupt
priority register. However, when writing to priority threshold register,
the maximum priority level is from num_priorities Property which is
configured by platform.

Also change interrupt priority register to use num_priorities Property
in maximum priority level.

Signed-off-by: Emmanuel Blot <emmanuel.blot@sifive.com>
Signed-off-by: Jim Shu <jim.shu@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221003041440.2320-2-jim.shu@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

hw/intc: sifive_plic: Fix multi-socket plic configuraiton

Since commit 40244040a7ac, multi-socket configuration with plic is
broken as the hartid for second socket is calculated incorrectly.
The har

hw/intc: sifive_plic: Fix multi-socket plic configuraiton

Since commit 40244040a7ac, multi-socket configuration with plic is
broken as the hartid for second socket is calculated incorrectly.
The hartid stored in addr_config already includes the offset
for the base hartid for that socket. Adding it again would lead
to segfault while creating the plic device for the virt machine.
qdev_connect_gpio_out was also invoked with incorrect number of gpio
lines.

Fixes: 40244040a7ac (hw/intc: sifive_plic: Avoid overflowing the addr_config buffer)

Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220723090335.671105-1-atishp@rivosinc.com>
[ Changes by AF:
- Change the qdev_connect_gpio_out() numbering
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/intc: sifive_plic: Avoid overflowing the addr_config buffer

Since commit ad40be27 "target/riscv: Support start kernel directly by
KVM" we have been overflowing the addr_config on "M,MS..."
config

hw/intc: sifive_plic: Avoid overflowing the addr_config buffer

Since commit ad40be27 "target/riscv: Support start kernel directly by
KVM" we have been overflowing the addr_config on "M,MS..."
configurations, as reported https://gitlab.com/qemu-project/qemu/-/issues/1050.

This commit changes the loop in sifive_plic_create() from iterating over
the number of harts to just iterating over the addr_config. The
addr_config is based on the hart_config, and will contain interrup details
for all harts. This way we can't iterate past the end of addr_config.

Fixes: ad40be27084536 ("target/riscv: Support start kernel directly by KVM")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1050
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220601013631.196854-1-alistair.francis@opensource.wdc.com>

show more ...

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, P

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>

show more ...

hw/intc: sifive_plic: Cleanup remaining functions

We can remove the original sifive_plic_irqs_pending() function and
instead just use the sifive_plic_claim() function (renamed to
sifive_plic_claimed

hw/intc: sifive_plic: Cleanup remaining functions

We can remove the original sifive_plic_irqs_pending() function and
instead just use the sifive_plic_claim() function (renamed to
sifive_plic_claimed()) to determine if any interrupts are pending.

This requires move the side effects outside of sifive_plic_claimed(),
but as they are only invoked once that isn't a problem.

We have also removed all of the old #ifdef debugging logs, so let's
cleanup the last remaining debug function while we are here.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220105213937.1113508-5-alistair.francis@opensource.wdc.com>

show more ...

hw/intc: sifive_plic: Cleanup the read function

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220105213937.1113508-4-alistair.f

hw/intc: sifive_plic: Cleanup the read function

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220105213937.1113508-4-alistair.francis@opensource.wdc.com>

show more ...

hw/intc: sifive_plic: Cleanup the write function

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220105213937.1113508-3-alistair.

hw/intc: sifive_plic: Cleanup the write function

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220105213937.1113508-3-alistair.francis@opensource.wdc.com>

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