target/ppc: Flush inputs to zero with NJ in ppc_store_vscr

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1779
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: N

target/ppc: Flush inputs to zero with NJ in ppc_store_vscr

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1779
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
(cherry picked from commit af03aeb631eeb81a44d2c0ff5b429cd4b5dc2799)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

show more ...

Merge tag 'pull-ppc-20230906' of https://github.com/legoater/qemu into staging

ppc queue :

* debug facility improvements
* timebase and decrementer fixes
* record-replay fixes
* TCG fixes
* XIVE mo

Merge tag 'pull-ppc-20230906' of https://github.com/legoater/qemu into staging

ppc queue :

* debug facility improvements
* timebase and decrementer fixes
* record-replay fixes
* TCG fixes
* XIVE model improvements for multichip

# -----BEGIN PGP SIGNATURE-----
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# =BUg6
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 06 Sep 2023 06:47:06 EDT
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [unknown]
# gpg: aka "Cédric Le Goater <clg@kaod.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: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1

* tag 'pull-ppc-20230906' of https://github.com/legoater/qemu: (35 commits)
ppc/xive: Add support for the PC MMIOs
ppc/xive: Handle END triggers between chips with MMIOs
ppc/xive: Introduce a new XiveRouter end_notify() handler
ppc/xive: Use address_space routines to access the machine RAM
target/ppc: Fix the order of kvm_enable judgment about kvmppc_set_interrupt()
hw/ppc/e500: fix broken snapshot replay
target/ppc: Flush inputs to zero with NJ in ppc_store_vscr
target/ppc: Fix LQ, STQ register-pair order for big-endian
tests/avocado: ppc64 reverse debugging tests for pseries and powernv
tests/avocado: reverse-debugging cope with re-executing breakpoints
tests/avocado: boot ppc64 pseries replay-record test to Linux VFS mount
spapr: Fix record-replay machine reset consuming too many events
spapr: Fix machine reset deadlock from replay-record
target/ppc: Fix timebase reset with record-replay
target/ppc: Fix CPU reservation migration for record-replay
hw/ppc: Read time only once to perform decrementer write
hw/ppc: Reset timebase facilities on machine reset
target/ppc: Migrate DECR SPR
hw/ppc: Always store the decrementer value
target/ppc: Sign-extend large decrementer to 64-bits
...

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

show more ...

target/ppc: Flush inputs to zero with NJ in ppc_store_vscr

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1779
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: N

target/ppc: Flush inputs to zero with NJ in ppc_store_vscr

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1779
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

show more ...

target/ppc: Implement watchpoint debug facility for v2.07S

ISA v2.07S introduced the watchpoint facility based on the DAWR0
and DAWRX0 SPRs. Implement this in TCG.

Signed-off-by: Nicholas Piggin <n

target/ppc: Implement watchpoint debug facility for v2.07S

ISA v2.07S introduced the watchpoint facility based on the DAWR0
and DAWRX0 SPRs. Implement this in TCG.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

show more ...

target/ppc: Implement breakpoint debug facility for v2.07S

ISA v2.07S introduced the breakpoint facility based on the CIABR SPR.
Implement this in TCG.

Signed-off-by: Nicholas Piggin <npiggin@gmail

target/ppc: Implement breakpoint debug facility for v2.07S

ISA v2.07S introduced the breakpoint facility based on the CIABR SPR.
Implement this in TCG.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

show more ...

Merge tag 'pull-ppc-20230505' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2023-05-05:

This queue includes fixes for ppc and spapr emulation, a build fix for
the pseries mac

Merge tag 'pull-ppc-20230505' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2023-05-05:

This queue includes fixes for ppc and spapr emulation, a build fix for
the pseries machine and a new reviewer for ppc/spapr.

We're also carrying a Coverity fix for the sm501 display.

# -----BEGIN PGP SIGNATURE-----
#
# iIwEABYKADQWIQQX6/+ZI9AYAK8oOBk82cqW3gMxZAUCZFUuGBYcZGFuaWVsaGI0
# MTNAZ21haWwuY29tAAoJEDzZypbeAzFk3X8A/33+EoBXO4ol5J+BxlQXLRdJkzxA
# ok5zsm69K8VYl9eyAPkBlqqT0W7DyNP4eUU+cMi2vvQop5wt2iV1C2LbnaE2AA==
# =iwNT
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 05 May 2023 05:26:00 PM BST
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: issuer "danielhb413@gmail.com"
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20230505' of https://gitlab.com/danielhb/qemu:
hw/ppc/Kconfig: NVDIMM is a hard requirement for the pseries machine
tests: tcg: ppc64: Add tests for Vector Extract Mask Instructions
tcg: ppc64: Fix mask generation for vextractdm
MAINTAINERS: Adding myself in the list for ppc/spapr
ppc: spapr: cleanup cr get/set with helpers.
hw/display/sm501: Remove unneeded increment from loop

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

ppc: spapr: cleanup cr get/set with helpers.

The bits in cr reg are grouped into eight 4-bit fields represented
by env->crf[8] and the related calculations should be abstracted to
keep the calling r

ppc: spapr: cleanup cr get/set with helpers.

The bits in cr reg are grouped into eight 4-bit fields represented
by env->crf[8] and the related calculations should be abstracted to
keep the calling routines simpler to read. This is a step towards
cleaning up the related/calling code for better readability.

Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230503093619.2530487-2-harshpb@linux.ibm.com>
[danielhb: add 'const' modifier to fix linux-user build]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

show more ...

Merge tag 'pull-ppc-20221029' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-10-29:

This queue has the second part of the ppc4xx_sdram cleanups, doorbell
instructions for

Merge tag 'pull-ppc-20221029' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-10-29:

This queue has the second part of the ppc4xx_sdram cleanups, doorbell
instructions for POWER8, new pflash handling for the e500 machine and a
Radix MMU regression fix.

It also has a lot of performance optimizations in the PowerPC emulation
done by the researchers of the Eldorado institute. Between using gvec
for VMX/VSX instructions, a full rework of the interrupt model and PMU
optimizations, they managed to drastically speed up the emulation of
powernv8/9/10 machines. Here's an example with avocado tests:

- with master:

tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
PASS (38.89 s)
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
PASS (43.89 s)

- with this queue applied:

tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
PASS (21.23 s)
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
PASS (22.58 s)

Other ppc machines, like pseries, also had a noticeable performance
boost.

# -----BEGIN PGP SIGNATURE-----
#
# iHUEABYKAB0WIQQX6/+ZI9AYAK8oOBk82cqW3gMxZAUCY10J/gAKCRA82cqW3gMx
# ZAbjAPwKNbE1wE2POJbMALBQAM5MewwLMV/UKGjE6jA7HAbb/AEA9e3o11FoUmSJ
# rZkmTvMzBQZ81mMGRlS0cnqbrr4ADgc=
# =gnKY
# -----END PGP SIGNATURE-----
# gpg: Signature made Sat 29 Oct 2022 07:09:50 EDT
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20221029' of https://gitlab.com/danielhb/qemu: (63 commits)
target/ppc: Fix regression in Radix MMU
hw/ppc/e500: Implement pflash handling
hw/sd/sdhci: Rename ESDHC_* defines to USDHC_*
hw/sd/sdhci-internal: Unexport ESDHC defines
hw/block/pflash_cfi0{1, 2}: Error out if device length isn't a power of two
docs/system/ppc/ppce500: Use qemu-system-ppc64 across the board(s)
target/ppc: Increment PMC5 with inline insns
target/ppc: Add new PMC HFLAGS
ppc4xx_sdram: Add errp parameter to ppc4xx_sdram_banks()
ppc4xx_sdram: Convert DDR SDRAM controller to new bank handling
ppc4xx_sdram: Generalise bank setup
ppc4xx_sdram: Rename local state variable for brevity
ppc4xx_sdram: Use hwaddr for memory bank size
ppc4xx_sdram: Move ppc4xx_sdram_banks() to ppc4xx_sdram.c
ppc4xx_devs.c: Move DDR SDRAM controller model to ppc4xx_sdram.c
ppc440_uc.c: Move DDR2 SDRAM controller model to ppc4xx_sdram.c
target/ppc: move the p*_interrupt_powersave methods to excp_helper.c
target/ppc: unify cpu->has_work based on cs->interrupt_request
target/ppc: introduce ppc_maybe_interrupt
target/ppc: remove ppc_store_lpcr from CONFIG_USER_ONLY builds
...

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

show more ...

target/ppc: introduce ppc_maybe_interrupt

This new method will check if any pending interrupt was unmasked and
then call cpu_interrupt/cpu_reset_interrupt accordingly. Code that
raises/lowers or mas

target/ppc: introduce ppc_maybe_interrupt

This new method will check if any pending interrupt was unmasked and
then call cpu_interrupt/cpu_reset_interrupt accordingly. Code that
raises/lowers or masks/unmasks interrupts should call this method to
keep CPU_INTERRUPT_HARD coherent with env->pending_interrupts.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20221021142156.4134411-2-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

show more ...

target/ppc: remove ppc_store_lpcr from CONFIG_USER_ONLY builds

Writes to LPCR are hypervisor privileged.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Fabiano Rosas <far

target/ppc: remove ppc_store_lpcr from CONFIG_USER_ONLY builds

Writes to LPCR are hypervisor privileged.

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20221011204829.1641124-27-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

show more ...

Merge tag 'pull-ppc-20220831' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-08-31:

In the first 7.2 queue we have changes in the powernv pnv-phb handling,
the start of t

Merge tag 'pull-ppc-20220831' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-08-31:

In the first 7.2 queue we have changes in the powernv pnv-phb handling,
the start of the QOMification of the ppc405 model, the removal of the
taihu machine, a new SLOF image and others.

# -----BEGIN PGP SIGNATURE-----
#
# iHUEABYKAB0WIQQX6/+ZI9AYAK8oOBk82cqW3gMxZAUCYw/AFgAKCRA82cqW3gMx
# ZI6XAP0d8m6r1JqKXPSfCwVYy+AfrwY7oZWYbeTqdamK6xHcUQD+JyCcFcogY4Vz
# YwvHLd9W2cqvoWiZ4tmkK4Mb0Xt0Xg4=
# =0uL/
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 31 Aug 2022 16:09:58 EDT
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20220831' of https://gitlab.com/danielhb/qemu: (60 commits)
ppc4xx: Fix code style problems reported by checkpatch
ppc/ppc4xx: Fix sdram trace events
hw/ppc/Kconfig: Move imply before select
hw/ppc/sam460ex: Remove PPC405 dependency from sam460ex
ppc405: Move machine specific code to ppc405_boards.c
ppc/ppc405: QOM'ify FPGA
ppc/ppc405: Use an explicit I2C object
hw/intc/ppc-uic: Convert ppc-uic to a PPC4xx DCR device
ppc/ppc405: Use an embedded PPCUIC model in SoC state
ppc4xx: Rename ppc405-ebc to ppc4xx-ebc
ppc4xx: Move EBC model to ppc4xx_devs.c
ppc4xx: Rename ppc405-plb to ppc4xx-plb
ppc4xx: Move PLB model to ppc4xx_devs.c
ppc/ppc405: QOM'ify MAL
ppc/ppc405: QOM'ify PLB
ppc/ppc405: QOM'ify POB
ppc/ppc405: QOM'ify OPBA
ppc/ppc405: QOM'ify EBC
ppc/ppc405: QOM'ify DMA
ppc/ppc405: QOM'ify GPIO
...

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

show more ...

target/ppc: Bugfix FP when OE/UE are set

When an overflow exception occurs and OE is set the intermediate result
should be adjusted (by subtracting from the exponent) to avoid rounding
to inf. The s

target/ppc: Bugfix FP when OE/UE are set

When an overflow exception occurs and OE is set the intermediate result
should be adjusted (by subtracting from the exponent) to avoid rounding
to inf. The same applies to an underflow exceptionion and UE (but adding
to the exponent). To do this set the fp_status.rebias_overflow when OE
is set and fp_status.rebias_underflow when UE is set as the FPU will
recalculate in case of a overflow/underflow if the according rebias* is
set.

Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220805141522.412864-3-lucas.araujo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

show more ...

Merge tag 'pull-ppc-20220505' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-05-05:

The star of the show in this PR is the 'Remove hidden usages of *env'
work done by Víc

Merge tag 'pull-ppc-20220505' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-05-05:

The star of the show in this PR is the 'Remove hidden usages of *env'
work done by Víctor, which impacts a lot of target/ppc code and we want
to get it landed ASAP so future target/ppc contributions can be based on
it.

Other changes:

- XIVE fixes in guest interrupt handling
- BookE debug interrupt fix
- vhost-user TARGET_PPC64 macro fix
- valgrind fixes in kvmppc functions

# -----BEGIN PGP SIGNATURE-----
#
# iHUEABYKAB0WIQQX6/+ZI9AYAK8oOBk82cqW3gMxZAUCYnQbpgAKCRA82cqW3gMx
# ZM1ZAQChjU/oBVDlhrlfInGjOcdXlM4l0R0pDQZ6dm1NYVqcvgD/WRNWj+tQ2H1V
# xmKXSzrGlDyYFu1uozfU8kvYJeHaKgw=
# =eRrg
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 05 May 2022 01:47:02 PM CDT
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20220505' of https://gitlab.com/danielhb/qemu: (30 commits)
target/ppc: Change MSR_* to follow POWER ISA numbering convention
target/ppc: Add unused msr bits FIELDs
target/ppc: Remove msr_de macro
target/ppc: Remove msr_hv macro
target/ppc: Remove msr_ts macro
target/ppc: Remove msr_fe0 and msr_fe1 macros
target/ppc: Remove msr_ep macro
target/ppc: Remove msr_dr macro
target/ppc: Remove msr_ir macro
target/ppc: Remove msr_cm macro
target/ppc: Remove msr_fp macro
target/ppc: Remove msr_gs macro
target/ppc: Remove msr_me macro
target/ppc: Remove msr_pow macro
target/ppc: Remove msr_ce macro
target/ppc: Remove msr_ee macro
target/ppc: Remove msr_ile macro
target/ppc: Remove msr_ds macro
target/ppc: Remove msr_le macro
target/ppc: Remove msr_pr macro
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/ppc: Remove fpscr_* macros from cpu.h

fpscr_* defined macros are hiding the usage of *env behind them.
Substitute the usage of these macros with `env->fpscr & FP_*` to make
the code cleaner.

target/ppc: Remove fpscr_* macros from cpu.h

fpscr_* defined macros are hiding the usage of *env behind them.
Substitute the usage of these macros with `env->fpscr & FP_*` to make
the code cleaner.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220504210541.115256-2-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

show more ...

Merge tag 'pull-ppc-20211217' of https://github.com/legoater/qemu into staging

ppc 7.0 queue:

* General cleanup for Mac machines (Peter)
* Fixes for FPU exceptions (Lucas)
* Support for new ISA31 i

Merge tag 'pull-ppc-20211217' of https://github.com/legoater/qemu into staging

ppc 7.0 queue:

* General cleanup for Mac machines (Peter)
* Fixes for FPU exceptions (Lucas)
* Support for new ISA31 instructions (Matheus)
* Fixes for ivshmem (Daniel)
* Cleanups for PowerNV PHB (Christophe and Cedric)
* Updates of PowerNV and pSeries documentation (Leonardo and Daniel)
* Fixes for PowerNV (Daniel)
* Large cleanup of FPU implementation (Richard)
* Removal of SoftTLBs support for PPC74x CPUs (Fabiano)
* Fixes for exception models in MPCx and 60x CPUs (Fabiano)
* Removal of 401/403 CPUs (Cedric)
* Deprecation of taihu machine (Thomas)
* Large rework of PPC405 machine (Cedric)
* Fixes for VSX instructions (Victor and Matheus)
* Fix for e6500 CPU (Fabiano)
* Initial support for PMU (Daniel)

# gpg: Signature made Fri 17 Dec 2021 09:20:31 AM PST
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.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: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1

* tag 'pull-ppc-20211217' of https://github.com/legoater/qemu: (101 commits)
ppc/pnv: Use QOM hierarchy to scan PEC PHB4 devices
ppc/pnv: Move realize of PEC stacks under the PEC model
ppc/pnv: Remove "system-memory" property from PHB4 PEC
ppc/pnv: Compute the PHB index from the PHB4 PEC model
ppc/pnv: Introduce a num_stack class attribute
ppc/pnv: Introduce a "chip" property under the PHB4 model
ppc/pnv: Introduce version and device_id class atributes for PHB4 devices
ppc/pnv: Introduce a num_pecs class attribute for PHB4 PEC devices
ppc/pnv: Use QOM hierarchy to scan PHB3 devices
ppc/pnv: Move mapping of the PHB3 CQ regions under pnv_pbcq_realize()
ppc/pnv: Drop the "num-phbs" property
ppc/pnv: Use the chip class to check the index of PHB3 devices
ppc/pnv: Introduce a "chip" property under PHB3
PPC64/TCG: Implement 'rfebb' instruction
target/ppc/power8-pmu.c: add PM_RUN_INST_CMPL (0xFA) event
target/ppc: enable PMU instruction count
target/ppc: enable PMU counter overflow with cycle events
target/ppc: PMU: update counters on MMCR1 write
target/ppc: PMU: update counters on PMCs r/w
target/ppc: PMU basic cycle count for pseries TCG
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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target/ppc: ppc_store_fpscr doesn't update bits 0 to 28 and 52

This commit fixes the difference reported in the bug in the reserved
bit 52, it does this by adding this bit to the mask of bits to not

target/ppc: ppc_store_fpscr doesn't update bits 0 to 28 and 52

This commit fixes the difference reported in the bug in the reserved
bit 52, it does this by adding this bit to the mask of bits to not be
directly altered in the ppc_store_fpscr function (the hardware used to
compare to QEMU was a Power9).

The bits 0 to 27 were also added to the mask, as they are marked as
reserved in the PowerISA and bit 28 is a reserved extension of the DRN
field (bits 29:31) but can't be set using mtfsfi, while the other DRN
bits may be set using mtfsfi instruction, so bit 28 was also added to
the mask.

Although this is a difference reported in the bug, since it's a reserved
bit it may be a "don't care" case, as put in the bug report. Looking at
the ISA it doesn't explicitly mention this bit can't be set, like it
does for FEX and VX, so I'm unsure if this is necessary.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/266
Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Message-Id: <20211201163808.440385-4-lucas.araujo@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-6.2-20211021' into staging

ppc patch queue 2021-10-21

Here's the next batch of ppc target related patches for qemu-6.2.
Highlights are:
*

Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-6.2-20211021' into staging

ppc patch queue 2021-10-21

Here's the next batch of ppc target related patches for qemu-6.2.
Highlights are:
* Some fixes and minimal tests for old embedded ppc platforms
* The beginnings of PMU emulation in TCG from Daniel Barboza
* Some improvements to the pegasos2 platform
* A number of TCG bugfixes from the folks at the El Dorado Institute
* A few other assorted bugfixes and cleanups

# gpg: Signature made Wed 20 Oct 2021 09:19:04 PM PDT
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]

* remotes/dgibson/tags/ppc-for-6.2-20211021: (25 commits)
hw/ppc/ppc4xx_pci: Fix ppc4xx_pci_map_irq() for recent Linux kernels
target/ppc: adding user read/write functions for PMCs
target/ppc: add user read/write functions for MMCR2
target/ppc: add user read/write functions for MMCR0
target/ppc: add MMCR0 PMCC bits to hflags
target/ppc: Filter mtmsr[d] input before setting MSR
tests/acceptance: Add a test for the bamboo ppc board
ppc/pegasos2: Implement power-off RTAS function with VOF
ppc/pegasos2: Add constants for PCI config addresses
ppc/pegasos2: Access MV64361 registers via their memory region
ppc/pegasos2: Implement get-time-of-day RTAS function with VOF
ppc/pegasos2: Warn when using VOF but no kernel is specified
ppc/pegasos2: Restrict memory to 2 gigabytes
target/ppc: Fix XER access in monitor
linux-user: Fix XER access in ppc version of elf_core_copy_regs
target/ppc: Fix XER access in gdbstub
linux-user/ppc: Fix XER access in save/restore_user_regs
tests/acceptance: Add tests for the ppc405 boards
hw/ppc: Fix iothread locking in the 405 code
spapr/xive: Use xive_esb_rw() to trigger interrupts
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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linux-user: Fix XER access in ppc version of elf_core_copy_regs

env->xer doesn't hold some bits of XER, like OV and CA. To write the
complete register in the core dump we should read XER value with

linux-user: Fix XER access in ppc version of elf_core_copy_regs

env->xer doesn't hold some bits of XER, like OV and CA. To write the
complete register in the core dump we should read XER value with
cpu_read_xer.

Reported-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Fixes: da91a00f191f ("target-ppc: Split out SO, OV, CA fields from XER")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20211014223234.127012-4-matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

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Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.2-20210827' into staging

ppc patch queue 2021-08-27

First ppc pull request for qemu-6.2. As usual, there's a fair bit
here, since it'

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.2-20210827' into staging

ppc patch queue 2021-08-27

First ppc pull request for qemu-6.2. As usual, there's a fair bit
here, since it's been queued during the 6.1 freeze. Highlights are:

* Some fixes for 128 bit arithmetic and some vector opcodes that use
them
* Significant improvements to the powernv to support POWER10 cpus
(more to come though)
* Several cleanups to the ppc softmmu code
* A few other assorted fixes

# gpg: Signature made Fri 27 Aug 2021 08:09:12 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392

* remotes/dg-gitlab/tags/ppc-for-6.2-20210827:
target/ppc: fix vector registers access in gdbstub for little-endian
include/qemu/int128.h: introduce bswap128s
target/ppc: fix vextu[bhw][lr]x helpers
include/qemu/int128.h: define struct Int128 according to the host endianness
ppc/xive: Export xive_presenter_notify()
ppc/xive: Export PQ get/set routines
ppc/pnv: add a chip topology index for POWER10
ppc/pnv: Distribute RAM among the chips
ppc/pnv: Use a simple incrementing index for the chip-id
ppc/pnv: powerpc_excp: Do not discard HDECR exception when entering power-saving mode
ppc/pnv: Change the POWER10 machine to support DD2 only
ppc: Add a POWER10 DD2 CPU
ppc/pnv: update skiboot to commit 820d43c0a775.
target/ppc: moved store_40x_sler to helper_regs.c
target/ppc: moved ppc_store_sdr1 to mmu_common.c
target/ppc: divided mmu_helper.c in 2 files
spapr_pci: Fix leak in spapr_phb_vfio_get_loc_code() with g_autofree
xive: Remove extra '0x' prefix in trace events

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

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target/ppc: moved ppc_store_sdr1 to mmu_common.c

ppc_store_sdr1 was at first in mmu_helper.c and was moved as part
the patches to enable the disable-tcg option, now it's being moved
back to a file t

target/ppc: moved ppc_store_sdr1 to mmu_common.c

ppc_store_sdr1 was at first in mmu_helper.c and was moved as part
the patches to enable the disable-tcg option, now it's being moved
back to a file that will be compiled with that option

Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Message-Id: <20210723175627.72847-3-lucas.araujo@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

show more ...

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.1-20210709' into staging

ppc patch queue 2021-07-09

Here's a (probably) final pull request before the qemu-6.1 soft
freeze. Includes:

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.1-20210709' into staging

ppc patch queue 2021-07-09

Here's a (probably) final pull request before the qemu-6.1 soft
freeze. Includes:
* Implementation of the new H_RPT_INVALIDATE hypercall
* Virtual Open Firmware for pSeries and pegasos2 machine types.
This is an experimental minimal Open Firmware implementation which
works by delegating nearly everything to qemu itself via a special
hypercall.
* A number of cleanups to the ppc soft MMU code
* Fix to handling of two-level radix mode translations for the
powernv machine type
* Update the H_GET_CPU_CHARACTERISTICS call with newly defined bits.
This will allow more flexible handling of possible future CPU
Spectre-like flaws
* Correctly treat mtmsrd as an illegal instruction on BookE cpus
* Firmware update for the ppce500 machine type

# gpg: Signature made Fri 09 Jul 2021 06:16:42 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392

* remotes/dg-gitlab/tags/ppc-for-6.1-20210709: (33 commits)
target/ppc: Support for H_RPT_INVALIDATE hcall
linux-headers: Update
spapr: Fix implementation of Open Firmware client interface
target/ppc: Don't compile ppc_tlb_invalid_all without TCG
ppc/pegasos2: Implement some RTAS functions with VOF
ppc/pegasos2: Fix use of && instead of &
ppc/pegasos2: Use Virtual Open Firmware as firmware replacement
target/ppc/spapr: Update H_GET_CPU_CHARACTERISTICS L1D cache flush bits
target/ppc: Allow virtual hypervisor on CPU without HV
ppc/pegasos2: Introduce Pegasos2MachineState structure
target/ppc: mtmsrd is an illegal instruction on BookE
spapr: Implement Open Firmware client interface
docs/system: ppc: Update ppce500 documentation with eTSEC support
roms/u-boot: Bump ppce500 u-boot to v2021.07 to add eTSEC support
target/ppc: change ppc_hash32_xlate to use mmu_idx
target/ppc: introduce mmu-books.h
target/ppc: changed ppc_hash64_xlate to use mmu_idx
target/ppc: fix address translation bug for radix mmus
target/ppc: Fix compilation with DEBUG_BATS debug option
target/ppc: Fix compilation with FLUSH_ALL_TLBS debug option
...

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

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target/ppc: Allow virtual hypervisor on CPU without HV

Change the assert in ppc_store_sdr1() to allow vhyp to be set on CPUs
without HV bit. This allows using the vhyp interface for firmware
emulati

target/ppc: Allow virtual hypervisor on CPU without HV

Change the assert in ppc_store_sdr1() to allow vhyp to be set on CPUs
without HV bit. This allows using the vhyp interface for firmware
emulation on pegasos2.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <21c7745aabbb68fcc50bb2ffaf16b939ba21261c.1624811233.git.balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

show more ...

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.1-20210603' into staging

ppc patch queue 2021-06-03

Next batch of ppc target patches. Highlights are:
* A fix for a regression with

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.1-20210603' into staging

ppc patch queue 2021-06-03

Next batch of ppc target patches. Highlights are:
* A fix for a regression with single-step mode
* Start of moving ppc to use decodetree
* Implementation of some POWER10 64-bit prefixed instructions
* Several cleanups to softmmu code
* Continued progress towards allowing --disable-tcg
* Fix for the POWER PEF implementation
* Fix for LPCR handling of hotplugged CPUs
* Assorted other bugfixes and cleanups

This patchset does contain a couple of changes to code outside my
normal scope of maintainership, related to the removal of cpu_dump and
cpu_statistics hooks. ppc was the last target arch implementing these
at all, and they didn't really do anything there either. The patches
should have relevant acks.

# gpg: Signature made Thu 03 Jun 2021 09:20:59 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392

* remotes/dg-gitlab/tags/ppc-for-6.1-20210603: (42 commits)
target/ppc: fix single-step exception regression
target/ppc: Move cmp/cmpi/cmpl/cmpli to decodetree
target/ppc: Move addpcis to decodetree
target/ppc: Implement vcfuged instruction
target/ppc: Implement cfuged instruction
target/ppc: Implement setbc/setbcr/stnbc/setnbcr instructions
target/ppc: Implement prefixed integer store instructions
target/ppc: Move D/DS/X-form integer stores to decodetree
target/ppc: Implement prefixed integer load instructions
target/ppc: Move D/DS/X-form integer loads to decodetree
target/ppc: Implement PNOP
target/ppc: Move ADDI, ADDIS to decodetree, implement PADDI
target/ppc: Add infrastructure for prefixed insns
target/ppc: Move page crossing check to ppc_tr_translate_insn
target/ppc: Introduce macros to check isa extensions
target/ppc: powerpc_excp: Consolidade TLB miss code
target/ppc: powerpc_excp: Remove dump_syscall_vectored
target/ppc: powerpc_excp: Move lpes code to where it is used
target/ppc: overhauled and moved logic of storing fpscr
target/ppc: removed all mentions to PPC_DUMP_CPU
...

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

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target/ppc: overhauled and moved logic of storing fpscr

Followed the suggested overhaul to store_fpscr logic, and moved it to
cpu.c where it can be accessed in !TCG builds.

The overhaul was suggest

target/ppc: overhauled and moved logic of storing fpscr

Followed the suggested overhaul to store_fpscr logic, and moved it to
cpu.c where it can be accessed in !TCG builds.

The overhaul was suggested because storing a value to fpscr should
never raise an exception, so we could remove all the mess that happened
with POWERPC_EXCP_FP.

We also moved fpscr_set_rounding_mode into cpu.c as it could now be moved
there, and it is needed when a value for the fpscr is being stored
directly.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210527163522.23019-1-bruno.larsen@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

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target/ppc: moved ppc_store_lpcr and ppc_store_msr to cpu.c

These functions are used in hw/ppc logic, during machine startup, which
means it must be compiled when --disable-tcg is selected, and so i

target/ppc: moved ppc_store_lpcr and ppc_store_msr to cpu.c

These functions are used in hw/ppc logic, during machine startup, which
means it must be compiled when --disable-tcg is selected, and so it has
been moved into a common code file

Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20210521201759.85475-3-bruno.larsen@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

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