Commit Graph

112455 Commits

Author SHA1 Message Date
Peter Maydell
41d49ec190 docs/devel/reset: Update to new API for hold and exit phase methods
Update the reset documentation's example code to match the new API
for the hold and exit phase method APIs where they take a ResetType
argument.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Message-id: 20240412160809.1260625-6-peter.maydell@linaro.org
2024-04-25 10:21:58 +01:00
Peter Maydell
ad80e36744 hw, target: Add ResetType argument to hold and exit phase methods
We pass a ResetType argument to the Resettable class enter
phase method, but we don't pass it to hold and exit, even though
the callsites have it readily available. This means that if
a device cared about the ResetType it would need to record it
in the enter phase method to use later on. Pass the type to
all three of the phase methods to avoid having to do that.

Commit created with

  for dir in hw target include; do \
      spatch --macro-file scripts/cocci-macro-file.h \
             --sp-file scripts/coccinelle/reset-type.cocci \
             --keep-comments --smpl-spacing --in-place \
             --include-headers --dir $dir; done

and no manual edits.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Message-id: 20240412160809.1260625-5-peter.maydell@linaro.org
2024-04-25 10:21:06 +01:00
Peter Maydell
aadea887f4 scripts/coccinelle: New script to add ResetType to hold and exit phases
We pass a ResetType argument to the Resettable class enter phase
method, but we don't pass it to hold and exit, even though the
callsites have it readily available.  This means that if a device
cared about the ResetType it would need to record it in the enter
phase method to use later on.  We should pass the type to all three
of the phase methods to avoid having to do that.

This coccinelle script adds the ResetType argument to the hold and
exit phases of the Resettable interface.

The first part of the script (rules holdfn_assigned, holdfn_defined,
exitfn_assigned, exitfn_defined) update implementations of the
interface within device models, both to change the signature of their
method implementations and to pass on the reset type when they invoke
reset on some other device.

The second part of the script is various special cases:
 * method callsites in resettable_phase_hold(), resettable_phase_exit()
   and device_phases_reset()
 * updating the typedefs for the methods
 * isl_pmbus_vr.c has some code where one device's reset method directly
   calls the implementation of a different device's method

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Message-id: 20240412160809.1260625-4-peter.maydell@linaro.org
2024-04-25 10:21:06 +01:00
Peter Maydell
ef6ab2922f allwinner-i2c, adm1272: Use device_cold_reset() for software-triggered reset
Rather than directly calling the device's implementation of its 'hold'
reset phase, call device_cold_reset(). This means we don't have to
adjust this callsite when we add another argument to the function
signature for the hold and exit reset methods.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Message-id: 20240412160809.1260625-3-peter.maydell@linaro.org
2024-04-25 10:21:06 +01:00
Peter Maydell
1e0f2b38ac hw/misc: Don't special case RESET_TYPE_COLD in npcm7xx_clk, gcr
The npcm7xx_clk and npcm7xx_gcr device reset methods look at
the ResetType argument and only handle RESET_TYPE_COLD,
producing a warning if another reset type is passed. This
is different from how every other three-phase-reset method
we have works, and makes it difficult to add new reset types.

A better pattern is "assume that any reset type you don't know
about should be handled like RESET_TYPE_COLD"; switch these
devices to do that. Then adding a new reset type will only
need to touch those devices where its behaviour really needs
to be different from the standard cold reset.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Message-id: 20240412160809.1260625-2-peter.maydell@linaro.org
2024-04-25 10:21:06 +01:00
Peter Maydell
a6819c1bd0 linux-user/flatload.c: Remove unused bFLT shared-library and ZFLAT code
Ever since the bFLT format support was added in 2006, there has been
a chunk of code in the file guarded by CONFIG_BINFMT_SHARED_FLAT
which is supposedly for shared library support.  This is not enabled
and it's not possible to enable it, because if you do you'll run into
the "#error needs checking" in the calc_reloc() function.

Similarly, CONFIG_BINFMT_ZFLAT exists but can't be enabled because of
an "#error code needs checking" in load_flat_file().

This code is obviously unfinished and has never been used; nobody in
the intervening 18 years has complained about this or fixed it, so
just delete the dead code.  If anybody ever wants the feature they
can always pull it out of git, or (perhaps better) write it from
scratch based on the current Linux bFLT loader rather than the one of
18 years ago.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240411115313.680433-1-peter.maydell@linaro.org
2024-04-25 10:21:06 +01:00
Anastasia Belova
c3a68dfd19 hw/dma: avoid apparent overflow in soc_dma_set_request
In soc_dma_set_request() we try to set a bit in a uint64_t, but we
do it with "1 << ch->num", which can't set any bits past 31;
any use for a channel number of 32 or more would fail due to
integer overflow.

This doesn't happen in practice for our current use of this code,
because the worst case is when we call soc_dma_init() with an
argument of 32 for the number of channels, and QEMU builds with
-fwrapv so the shift into the sign bit is well-defined. However,
it's obviously not the intended behaviour of the code.

Add casts to force the shift to be done as 64-bit arithmetic,
allowing up to 64 channels.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: afbb5194d4 ("Handle on-chip DMA controllers in one place, convert OMAP DMA to use it.")
Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Message-id: 20240409115301.21829-1-abelova@astralinux.ru
[PMM: Edit commit message to clarify that this doesn't actually
 bite us in our current usage of this code.]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:06 +01:00
Jinjie Ruan
5ae47f7aec hw/arm/virt: Enable NMI support in the GIC if the CPU has FEAT_NMI
If the CPU implements FEAT_NMI, then turn on the NMI support in the
GICv3 too.  It's permitted to have a configuration with FEAT_NMI in
the CPU (and thus NMI support in the CPU interfaces too) but no NMI
support in the distributor and redistributor, but this isn't a very
useful setup as it's close to having no NMI support at all.

We don't need to gate the enabling of NMI in the GIC behind a
machine version property, because none of our current CPUs
implement FEAT_NMI, and '-cpu max' is not something we maintain
migration compatibility across versions for. So we can always
enable the GIC NMI support when the CPU has it.

Neither hvf nor KVM support NMI in the GIC yet, so we don't enable
it unless we're using TCG.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240407081733.3231820-25-ruanjinjie@huawei.com
[PMM: Update comment and commit message]
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:06 +01:00
Jinjie Ruan
14a164030a target/arm: Add FEAT_NMI to max
Enable FEAT_NMI on the 'max' CPU.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-24-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
c57e81889f hw/intc/arm_gicv3: Report the VINMI interrupt
In vCPU Interface, if the vIRQ has the non-maskable property, report
vINMI to the corresponding vPE.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-23-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
f3c26a44fe hw/intc/arm_gicv3: Report the NMI interrupt in gicv3_cpuif_update()
In CPU Interface, if the IRQ has the non-maskable property, report NMI to
the corresponding PE.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-22-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
d89daa893f hw/intc/arm_gicv3: Implement NMI interrupt priority
If GICD_CTLR_DS bit is zero and the NMI is non-secure, the NMI priority is
higher than 0x80, otherwise it is higher than 0x0. And save the interrupt
non-maskable property in hppi.nmi to deliver NMI exception. Since both GICR
and GICD can deliver NMI, it is both necessary to check whether the pending
irq is NMI in gicv3_redist_update_noirqset and gicv3_update_noirqset.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-21-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Peter Maydell
d2c0c6aab6 hw/intc/arm_gicv3: Handle icv_nmiar1_read() for icc_nmiar1_read()
Implement icv_nmiar1_read() for icc_nmiar1_read(), so add definition for
ICH_LR_EL2.NMI and ICH_AP1R_EL2.NMI bit.

If FEAT_GICv3_NMI is supported, ich_ap_write() should consider ICV_AP1R_EL1.NMI
bit. In icv_activate_irq() and icv_eoir_write(), the ICV_AP1R_EL1.NMI bit
should be set or clear according to the Non-maskable property. And the RPR
priority should also update the NMI bit according to the APR priority NMI bit.

By the way, add gicv3_icv_nmiar1_read trace event.

If the hpp irq is a NMI, the icv iar read should return 1022 and trap for
NMI again

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[PMM: use cs->nmi_support instead of cs->gic->nmi_support]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-20-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Peter Maydell
28cca59c46 hw/intc/arm_gicv3: Add NMI handling CPU interface registers
Add the NMIAR CPU interface registers which deal with acknowledging NMI.

When introduce NMI interrupt, there are some updates to the semantics for the
register ICC_IAR1_EL1 and ICC_HPPIR1_EL1. For ICC_IAR1_EL1 register, it
should return 1022 if the intid has non-maskable property. And for
ICC_NMIAR1_EL1 register, it should return 1023 if the intid do not have
non-maskable property. Howerever, these are not necessary for ICC_HPPIR1_EL1
register.

And the APR and RPR has NMI bits which should be handled correctly.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[PMM: Separate out whether cpuif supports NMI from whether the
 GIC proper (IRI) supports NMI]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-19-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
44ed1e4b9a hw/intc/arm_gicv3: Implement GICD_INMIR
Add GICD_INMIR, GICD_INMIRnE register and support access GICD_INMIR0.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-18-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
7c79d98d2e hw/intc/arm_gicv3_redist: Implement GICR_INMIR0
Add GICR_INMIR0 register and support access GICR_INMIR0.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-17-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
0e9f4e8e7b hw/intc/arm_gicv3: Add irq non-maskable property
A SPI, PPI or SGI interrupt can have non-maskable property. So maintain
non-maskable property in PendingIrq and GICR/GICD. Since add new device
state, it also needs to be migrated, so also save NMI info in
vmstate_gicv3_cpu and vmstate_gicv3.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-16-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
67d74e4c54 hw/intc/arm_gicv3_kvm: Not set has-nmi=true for the KVM GICv3
So far, there is no FEAT_GICv3_NMI support in the in-kernel GIC, so make it
an error to try to set has-nmi=true for the KVM GICv3.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Message-id: 20240407081733.3231820-15-ruanjinjie@huawei.com
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
c9e86cbd34 hw/intc/arm_gicv3: Add has-nmi property to GICv3 device
Add a property has-nmi to the GICv3 device, and use this to set
the NMI bit in the GICD_TYPER register. This isn't visible to
guests yet because the property defaults to false and we won't
set it in the board code until we've landed all of the changes
needed to implement FEAT_GICV3_NMI.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-14-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
e4eb290571 target/arm: Handle NMI in arm_cpu_do_interrupt_aarch64()
According to Arm GIC section 4.6.3 Interrupt superpriority, the interrupt
with superpriority is always IRQ, never FIQ, so the NMI exception trap entry
behave like IRQ. And VINMI(vIRQ with Superpriority) can be raised from the
GIC or come from the hcrx_el2.HCRX_VINMI bit, VFNMI(vFIQ with Superpriority)
come from the hcrx_el2.HCRX_VFNMI bit.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-13-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
34d94b7af9 hw/arm/virt: Wire NMI and VINMI irq lines from GIC to CPU
Wire the new NMI and VINMI interrupt line from the GIC to each CPU if it
is not GICv2.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240407081733.3231820-12-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
83f3207538 hw/intc/arm_gicv3: Add external IRQ lines for NMI
Augment the GICv3's QOM device interface by adding one
new set of sysbus IRQ line, to signal NMI to each CPU.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-11-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
167f2631df target/arm: Handle PSTATE.ALLINT on taking an exception
Set or clear PSTATE.ALLINT on taking an exception to ELx according to the
SCTLR_ELx.SPINTMASK bit.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-10-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
2e0be5f6b1 target/arm: Handle IS/FS in ISR_EL1 for NMI, VINMI and VFNMI
Add IS and FS bit in ISR_EL1 and handle the read. With CPU_INTERRUPT_NMI or
CPU_INTERRUPT_VINMI, both CPSR_I and ISR_IS must be set. With
CPU_INTERRUPT_VFNMI, both CPSR_F and ISR_FS must be set.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-9-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
963e4e3648 target/arm: Add support for NMI in arm_phys_excp_target_el()
According to Arm GIC section 4.6.3 Interrupt superpriority, the interrupt
with superpriority is always IRQ, never FIQ, so handle NMI same as IRQ in
arm_phys_excp_target_el().

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-8-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:05 +01:00
Jinjie Ruan
b36a32ead1 target/arm: Add support for Non-maskable Interrupt
This only implements the external delivery method via the GICv3.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-7-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:04 +01:00
Jinjie Ruan
5c21697461 target/arm: Support MSR access to ALLINT
Support ALLINT msr access as follow:
	mrs <xt>, ALLINT	// read allint
	msr ALLINT, <xt>	// write allint with imm

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-6-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:04 +01:00
Jinjie Ruan
cbf817a2ff target/arm: Implement ALLINT MSR (immediate)
Add ALLINT MSR (immediate) to decodetree, in which the CRm is 0b000x. The
EL0 check is necessary to ALLINT, and the EL1 check is necessary when
imm == 1. So implement it inline for EL2/3, or EL1 with imm==0. Avoid the
unconditional write to pc and use raise_exception_ra to unwind.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-5-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:04 +01:00
Jinjie Ruan
4833c75611 target/arm: Add support for FEAT_NMI, Non-maskable Interrupt
Add support for FEAT_NMI. NMI (FEAT_NMI) is an mandatory feature in
ARMv8.8-A and ARM v9.3-A.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-4-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:04 +01:00
Jinjie Ruan
6aa2041561 target/arm: Add PSTATE.ALLINT
When PSTATE.ALLINT is set, an IRQ or FIQ interrupt that is targeted to
ELx, with or without superpriority is masked. As Richard suggested, place
ALLINT bit in PSTATE in env->pstate.

In the pseudocode, AArch64.ExceptionReturn() calls SetPSTATEFromPSR(), which
treats PSTATE.ALLINT as one of the bits which are reinstated from SPSR to
PSTATE regardless of whether this is an illegal exception return or not. So
handle PSTATE.ALLINT the same way as PSTATE.DAIF in the illegal_return exit
path of the exception_return helper. With the change, exception entry and
return are automatically handled.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-3-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:04 +01:00
Jinjie Ruan
2b0d2ab895 target/arm: Handle HCR_EL2 accesses for bits introduced with FEAT_NMI
FEAT_NMI defines another three new bits in HCRX_EL2: TALLINT, HCRX_VINMI and
HCRX_VFNMI. When the feature is enabled, allow these bits to be written in
HCRX_EL2.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-2-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-04-25 10:21:04 +01:00
Richard Henderson
5da72194df meson: Make DEBUG_REMAP a meson option
target/m68k: Support semihosting on non-ColdFire targets
 linux-user: do_setsockopt cleanups
 linux-user: Add FITRIM ioctl
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Merge tag 'pull-tcg-20240424' of https://gitlab.com/rth7680/qemu into staging

meson: Make DEBUG_REMAP a meson option
target/m68k: Support semihosting on non-ColdFire targets
linux-user: do_setsockopt cleanups
linux-user: Add FITRIM ioctl

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* tag 'pull-tcg-20240424' of https://gitlab.com/rth7680/qemu:
  target/m68k: Support semihosting on non-ColdFire targets
  target/m68k: Perform the semihosting test during translate
  target/m68k: Pass semihosting arg to exit
  linux-user: Add FITRIM ioctl
  linux-user: do_setsockopt: eliminate goto in switch for SO_SNDTIMEO
  linux-user: do_setsockopt: make ip_mreq_source local to the place where it is used
  linux-user: do_setsockopt: make ip_mreq local to the place it is used and inline target_to_host_ip_mreq()
  linux-user: do_setsockopt: fix SOL_ALG.ALG_SET_KEY
  meson: Make DEBUG_REMAP a meson option

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:51:49 -07:00
Keith Packard
0815c228bd target/m68k: Support semihosting on non-ColdFire targets
According to the m68k semihosting spec:

"The instruction used to trigger a semihosting request depends on the
 m68k processor variant.  On ColdFire, "halt" is used; on other processors
 (which don't implement "halt"), "bkpt #0" may be used."

Add support for non-CodeFire processors by matching BKPT #0 instructions.

Signed-off-by: Keith Packard <keithp@keithp.com>
[rth: Use semihosting_test()]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:46:00 -07:00
Richard Henderson
f161e723fd target/m68k: Perform the semihosting test during translate
Replace EXCP_HALT_INSN by EXCP_SEMIHOSTING.  Perform the pre-
and post-insn tests during translate, leaving only the actual
semihosting operation for the exception.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:46:00 -07:00
Keith Packard
5fae5110ee target/m68k: Pass semihosting arg to exit
Instead of using d0 (the semihost function number), use d1 (the
provide exit status).

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20230802161914.395443-2-keithp@keithp.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:46:00 -07:00
Michael Vogt
7048fc59ef linux-user: Add FITRIM ioctl
Tiny patch to add the missing FITRIM ioctl.

Signed-off-by: Michael Vogt <mvogt@redhat.com>
Message-Id: <20240403092048.16023-2-michael.vogt@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:46:00 -07:00
Michael Tokarev
88a722b6ad linux-user: do_setsockopt: eliminate goto in switch for SO_SNDTIMEO
There's identical code for SO_SNDTIMEO and SO_RCVTIMEO, currently
implemented using an ugly goto into another switch case.  Eliminate
that using arithmetic if, making code flow more natural.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-Id: <20240331100737.2724186-5-mjt@tls.msk.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:46:00 -07:00
Michael Tokarev
166bd92e3b linux-user: do_setsockopt: make ip_mreq_source local to the place where it is used
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-Id: <20240331100737.2724186-4-mjt@tls.msk.ru>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:46:00 -07:00
Michael Tokarev
124a1341a6 linux-user: do_setsockopt: make ip_mreq local to the place it is used and inline target_to_host_ip_mreq()
ip_mreq is declared at the beginning of do_setsockopt(), while
it is used in only one place.  Move its declaration to that very
place and replace pointer to alloca()-allocated memory with the
structure itself.

target_to_host_ip_mreq() is used only once, inline it.

This change also properly handles TARGET_EFAULT when the address
is wrong.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-Id: <20240331100737.2724186-3-mjt@tls.msk.ru>
[rth: Fix braces, adjust optlen to match host structure size]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:46:00 -07:00
Michael Tokarev
04f6fb897a linux-user: do_setsockopt: fix SOL_ALG.ALG_SET_KEY
This setsockopt accepts zero-lengh optlen (current qemu implementation
does not allow this).  Also, there's no need to make a copy of the key,
it is enough to use lock_user() (which accepts zero length already).

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2197
Fixes: f31dddd2fc "linux-user: Add support for setsockopt() option SOL_ALG"
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-Id: <20240331100737.2724186-2-mjt@tls.msk.ru>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:46:00 -07:00
Ilya Leoshkevich
1f2355f53c meson: Make DEBUG_REMAP a meson option
Currently DEBUG_REMAP is a macro that needs to be manually #defined to
be activated, which makes it hard to have separate build directories
dedicated to testing the code with it. Promote it to a meson option.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240312002402.14344-1-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 15:46:00 -07:00
Richard Henderson
85b597413d Removal of deprecated code
- Remove the Nios II target and hardware
 - Remove pvrdma device and rdmacm-mux helper
 - Remove GlusterFS RDMA protocol handling
 - Update Sriram Yagnaraman mail address
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Merge tag 'housekeeping-20240424' of https://github.com/philmd/qemu into staging

Removal of deprecated code

- Remove the Nios II target and hardware
- Remove pvrdma device and rdmacm-mux helper
- Remove GlusterFS RDMA protocol handling
- Update Sriram Yagnaraman mail address

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* tag 'housekeeping-20240424' of https://github.com/philmd/qemu:
  block/gluster: Remove deprecated RDMA protocol handling
  hw/rdma: Remove deprecated pvrdma device and rdmacm-mux helper
  hw/timer: Remove the ALTERA_TIMER model
  target/nios2: Remove the deprecated Nios II target
  MAINTAINERS: Update Sriram Yagnaraman mail address

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 11:49:57 -07:00
Richard Henderson
bffc14efd9 QAPI patches patches for 2024-04-24
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Merge tag 'pull-qapi-2024-04-24' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2024-04-24

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# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [undefined]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
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* tag 'pull-qapi-2024-04-24' of https://repo.or.cz/qemu/armbru: (25 commits)
  qapi: Dumb down QAPISchema.lookup_entity()
  qapi: Tighten check whether implicit object type already exists
  qapi/schema: remove unnecessary asserts
  qapi/schema: turn on mypy strictness
  qapi/schema: add type hints
  qapi/parser.py: assert member.info is present in connect_member
  qapi/parser: demote QAPIExpression to Dict[str, Any]
  qapi/schema: assert inner type of QAPISchemaVariants in check_clash()
  qapi/schema: fix typing for QAPISchemaVariants.tag_member
  qapi/schema: Don't initialize "members" with `None`
  qapi/schema: add _check_complete flag
  qapi/schema: assert info is present when necessary
  qapi/schema: fix QAPISchemaArrayType.check's call to resolve_type
  qapi: Assert built-in types exist
  qapi/schema: assert resolve_type has 'info' and 'what' args on error
  qapi/schema: add type narrowing to lookup_type()
  qapi/schema: adjust type narrowing for mypy's benefit
  qapi/schema: make c_type() and json_type() abstract methods
  qapi/schema: declare type for QAPISchemaArrayType.element_type
  qapi/schema: declare type for QAPISchemaObjectTypeMember.type
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 09:23:33 -07:00
Richard Henderson
1e0a7549e1 Error reporting patches for 2024-04-24
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Merge tag 'pull-error-2024-04-24' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches for 2024-04-24

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# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [undefined]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.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: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-error-2024-04-24' of https://repo.or.cz/qemu/armbru:
  qapi: Inline and remove QERR_PROPERTY_VALUE_BAD definition
  qapi: Inline and remove QERR_MIGRATION_ACTIVE definition
  qapi: Correct error message for 'vcpu_dirty_limit' parameter
  qapi: Inline and remove QERR_INVALID_PARAMETER_TYPE definition
  qapi: Inline QERR_INVALID_PARAMETER_TYPE definition (constant value)
  qapi: Inline and remove QERR_INVALID_PARAMETER definition
  qapi: Inline and remove QERR_DEVICE_NO_HOTPLUG definition
  qapi: Inline and remove QERR_DEVICE_HAS_NO_MEDIUM definition
  qapi: Inline and remove QERR_BUS_NO_HOTPLUG definition
  error: Drop superfluous #include "qapi/qmp/qerror.h"

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-04-24 09:22:42 -07:00
Philippe Mathieu-Daudé
2d9cbbea64 block/gluster: Remove deprecated RDMA protocol handling
GlusterFS+RDMA has been deprecated 8 years ago in commit
0552ff2465 ("block/gluster: deprecate rdma support"):

  gluster volfile server fetch happens through unix and/or tcp,
  it doesn't support volfile fetch over rdma. The rdma code may
  actually mislead, so to make sure things do not break, for now
  we fallback to tcp when requested for rdma, with a warning.

  If you are wondering how this worked all these days, its the
  gluster libgfapi code which handles anything other than unix
  transport as socket/tcp, sad but true.

Besides, the whole RDMA subsystem was deprecated in commit
e9a54265f5 ("hw/rdma: Deprecate the pvrdma device and the rdma
subsystem") released in v8.2.

Cc: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240328130255.52257-4-philmd@linaro.org>
2024-04-24 16:03:38 +02:00
Philippe Mathieu-Daudé
1dfd42c426 hw/rdma: Remove deprecated pvrdma device and rdmacm-mux helper
The whole RDMA subsystem was deprecated in commit e9a54265f5
("hw/rdma: Deprecate the pvrdma device and the rdma subsystem")
released in v8.2.

Remove:
 - PVRDMA device
 - generated vmw_pvrdma/ directory from linux-headers
 - rdmacm-mux tool from contrib/

Cc: Yuval Shaia <yuval.shaia.ml@gmail.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240328130255.52257-2-philmd@linaro.org>
2024-04-24 16:03:38 +02:00
Philippe Mathieu-Daudé
a60e53fa8f hw/timer: Remove the ALTERA_TIMER model
The ALTERA_TIMER was only used by Nios II machines,
which have been removed. Since it has no direct user,
remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240327144806.11319-4-philmd@linaro.org>
2024-04-24 16:03:38 +02:00
Philippe Mathieu-Daudé
6c3014858c target/nios2: Remove the deprecated Nios II target
The Nios II target is deprecated since v8.2 in commit 9997771bc1
("target/nios2: Deprecate the Nios II architecture").

Remove:
- Buildsys / CI infra
- User emulation
- System emulation (10m50-ghrd & nios2-generic-nommu machines)
- Tests

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Message-Id: <20240327144806.11319-3-philmd@linaro.org>
2024-04-24 16:03:38 +02:00
Sriram Yagnaraman
92360d6e62 MAINTAINERS: Update Sriram Yagnaraman mail address
Due to company policies, I have changed my mail address. Updating
MAINTAINERS and .mailmap to show my latest mail address.

Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@ericsson.com>
Message-ID: <20240228080625.2412372-1-sriram.yagnaraman@ericsson.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-04-24 16:03:38 +02:00
Markus Armbruster
060b5a9323 qapi: Dumb down QAPISchema.lookup_entity()
QAPISchema.lookup_entity() takes an optional type argument, a subtype
of QAPISchemaDefinition, and returns that type or None.  Callers can
use this to save themselves an isinstance() test.

The only remaining user of this convenience feature is .lookup_type().
But we don't actually save anything anymore there: we still need the
isinstance() to help mypy over the hump.

Drop the .lookup_entity() argument, and adjust .lookup_type().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240315152301.3621858-26-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
[Commit message typo fixed]
2024-04-24 10:03:54 +02:00