Commit Graph

6020 Commits

Author SHA1 Message Date
Chetan Pant
ee45203646 microblaze tcg cpus: Fix Lesser GPL version number
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.

Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Message-Id: <20201023121821.19179-1-chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-11-15 16:39:21 +01:00
Chetan Pant
bf1b52d199 cris tcg cpus: Fix Lesser GPL version number
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.

Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Message-Id: <20201023121649.19123-1-chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-11-15 16:39:05 +01:00
Chetan Pant
6bd039cdbe powerpc tcg: Fix Lesser GPL version number
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.

Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Message-Id: <20201019061126.3102-1-chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-11-15 16:38:50 +01:00
Kevin Wolf
e7cff9c68d hmp: Pass monitor to mon_get_cpu_env()
mon_get_cpu_env() is indirectly called monitor_parse_arguments() where
the current monitor isn't set yet. Instead of using monitor_cur_env(),
explicitly pass the Monitor pointer to the function.

Without this fix, an HMP command like "x $pc" crashes like this:

  #0  0x0000555555caa01f in mon_get_cpu_sync (mon=0x0, synchronize=true) at ../monitor/misc.c:270
  #1  0x0000555555caa141 in mon_get_cpu (mon=0x0) at ../monitor/misc.c:294
  #2  0x0000555555caa158 in mon_get_cpu_env () at ../monitor/misc.c:299
  #3  0x0000555555b19739 in monitor_get_pc (mon=0x555556ad2de0, md=0x5555565d2d40 <monitor_defs+1152>, val=0) at ../target/i386/monitor.c:607
  #4  0x0000555555cadbec in get_monitor_def (mon=0x555556ad2de0, pval=0x7fffffffc208, name=0x7fffffffc220 "pc") at ../monitor/misc.c:1681
  #5  0x000055555582ec4f in expr_unary (mon=0x555556ad2de0) at ../monitor/hmp.c:387
  #6  0x000055555582edbb in expr_prod (mon=0x555556ad2de0) at ../monitor/hmp.c:421
  #7  0x000055555582ee79 in expr_logic (mon=0x555556ad2de0) at ../monitor/hmp.c:455
  #8  0x000055555582eefe in expr_sum (mon=0x555556ad2de0) at ../monitor/hmp.c:484
  #9  0x000055555582efe8 in get_expr (mon=0x555556ad2de0, pval=0x7fffffffc418, pp=0x7fffffffc408) at ../monitor/hmp.c:511
  #10 0x000055555582fcd4 in monitor_parse_arguments (mon=0x555556ad2de0, endp=0x7fffffffc890, cmd=0x555556675b50 <hmp_cmds+7920>) at ../monitor/hmp.c:876
  #11 0x00005555558306a8 in handle_hmp_command (mon=0x555556ad2de0, cmdline=0x555556ada452 "$pc") at ../monitor/hmp.c:1087
  #12 0x000055555582df14 in monitor_command_cb (opaque=0x555556ad2de0, cmdline=0x555556ada450 "x $pc", readline_opaque=0x0) at ../monitor/hmp.c:47

After this fix, nothing is left in monitor_parse_arguments() that can
indirectly call monitor_cur(), so the fix is complete.

Fixes: ff04108a0e
Reported-by: lichun <lichun@ruijie.com.cn>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201113114326.97663-4-kwolf@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-11-13 12:45:51 +00:00
Kevin Wolf
43cf067ff8 hmp: Pass monitor to MonitorDef.get_value()
All of these callbacks use mon_get_cpu_env(). Pass the Monitor
pointer to them it in preparation for adding a monitor argument to
mon_get_cpu_env().

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201113114326.97663-3-kwolf@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-11-13 12:45:43 +00:00
Kevin Wolf
2fc5d01bb4 hmp: Pass monitor to mon_get_cpu()
mon_get_cpu() is indirectly called monitor_parse_arguments() where
the current monitor isn't set yet. Instead of using monitor_cur(),
explicitly pass the Monitor pointer to the function.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201113114326.97663-2-kwolf@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-11-13 12:45:35 +00:00
Peter Maydell
3e7d06d05a target-arm queue:
* hw/arm/Kconfig: ARM_V7M depends on PTIMER
  * Minor coding style fixes
  * docs: add some notes on the sbsa-ref machine
  * hw/arm/virt: Remove dependency on Cortex-A15 MPCore peripherals
  * target/arm: Fix neon VTBL/VTBX for len > 1
  * hw/arm/armsse: Correct expansion MPC interrupt lines
  * hw/misc/stm32f2xx_syscfg: Remove extraneous IRQ
  * hw/arm/nseries: Remove invalid/unnecessary n8x0_uart_setup()
  * hw/arm/musicpal: Don't connect two qemu_irqs directly to the same input
  * hw/arm/musicpal: Only use qdev_get_gpio_in() when necessary
  * hw/arm/nseries: Check return value from load_image_targphys()
  * tests/qtest/npcm7xx_rng-test: count runs properly
  * target/arm/translate-neon.c: Handle VTBL UNDEF case before VFP access check
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20201110' into staging

target-arm queue:
 * hw/arm/Kconfig: ARM_V7M depends on PTIMER
 * Minor coding style fixes
 * docs: add some notes on the sbsa-ref machine
 * hw/arm/virt: Remove dependency on Cortex-A15 MPCore peripherals
 * target/arm: Fix neon VTBL/VTBX for len > 1
 * hw/arm/armsse: Correct expansion MPC interrupt lines
 * hw/misc/stm32f2xx_syscfg: Remove extraneous IRQ
 * hw/arm/nseries: Remove invalid/unnecessary n8x0_uart_setup()
 * hw/arm/musicpal: Don't connect two qemu_irqs directly to the same input
 * hw/arm/musicpal: Only use qdev_get_gpio_in() when necessary
 * hw/arm/nseries: Check return value from load_image_targphys()
 * tests/qtest/npcm7xx_rng-test: count runs properly
 * target/arm/translate-neon.c: Handle VTBL UNDEF case before VFP access check

# gpg: Signature made Tue 10 Nov 2020 11:17:45 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20201110:
  target/arm/translate-neon.c: Handle VTBL UNDEF case before VFP access check
  tests/qtest/npcm7xx_rng-test: count runs properly
  hw/arm/nseries: Check return value from load_image_targphys()
  hw/arm/musicpal: Only use qdev_get_gpio_in() when necessary
  hw/arm/musicpal: Don't connect two qemu_irqs directly to the same input
  hw/arm/nseries: Remove invalid/unnecessary n8x0_uart_setup()
  hw/misc/stm32f2xx_syscfg: Remove extraneous IRQ
  hw/arm/armsse: Correct expansion MPC interrupt lines
  target/arm: Fix neon VTBL/VTBX for len > 1
  hw/arm/virt: Remove dependency on Cortex-A15 MPCore peripherals
  docs: add some notes on the sbsa-ref machine
  target/arm: add space before the open parenthesis '('
  target/arm: Don't use '#' flag of printf format
  target/arm: add spaces around operator
  ssi: Fix bad printf format specifiers
  hw/arm/Kconfig: ARM_V7M depends on PTIMER

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-10 14:59:20 +00:00
Peter Maydell
879860ca70 * Some small qtest fixes
* Oss-fuzz updates
 * Publish the docs built during gitlab CI to the user's gitlab.io page
 * Update the OpenBSD VM test to v6.8
 * Fix the device-crash-test script to run with the meson build system
 * Some small s390x fixes
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 WzL1cfWPWwc=
 =a3YE
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-11-10' into staging

* Some small qtest fixes
* Oss-fuzz updates
* Publish the docs built during gitlab CI to the user's gitlab.io page
* Update the OpenBSD VM test to v6.8
* Fix the device-crash-test script to run with the meson build system
* Some small s390x fixes

# gpg: Signature made Tue 10 Nov 2020 11:05:06 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2020-11-10:
  s390x: Avoid variable size warning in ipl.h
  s390x: fix clang 11 warnings in cpu_models.c
  qtest: Update references to parse_escape() in comments
  fuzz: add virtio-blk fuzz target
  docs: add "page source" link to sphinx documentation
  gitlab: force enable docs build in Fedora, Ubuntu, Debian
  gitlab: publish the docs built during CI
  configure: surface deprecated targets in the help output
  fuzz: Make fork_fuzz.ld compatible with LLVM's LLD
  scripts/oss-fuzz: give all fuzzers -target names
  docs/fuzz: update fuzzing documentation post-meson
  docs/fuzz: rST-ify the fuzzing documentation
  MAINTAINERS: Add gitlab-pipeline-status script to GitLab CI section
  gitlab-ci: Drop generic cache rule
  tests/qtest/tpm: Remove redundant check in the tpm_test_swtpm_test()
  qtest: Fix bad printf format specifiers
  device-crash-test: Check if path is actually an executable file
  tests/vm: update openbsd to release 6.8
  meson: always include contrib/libvhost-user

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-10 12:23:05 +00:00
Peter Maydell
b6c56c8a9a target/arm/translate-neon.c: Handle VTBL UNDEF case before VFP access check
Checks for UNDEF cases should go before the "is VFP enabled?" access
check, except in special cases. Move a stray UNDEF check in the VTBL
trans function up above the access check.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201109145324.2859-1-peter.maydell@linaro.org
2020-11-10 11:03:48 +00:00
Richard Henderson
604cef3e57 target/arm: Fix neon VTBL/VTBX for len > 1
The helper function did not get updated when we reorganized
the vector register file for SVE.  Since then, the neon dregs
are non-sequential and cannot be simply indexed.

At the same time, make the helper function operate on 64-bit
quantities so that we do not have to call it twice.

Fixes: c39c2b9043
Reported-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[PMM: use aa32_vfp_dreg() rather than opencoding]
Message-id: 20201105171126.88014-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-10 11:03:48 +00:00
Xinhao Zhang
7f350a87e3 target/arm: add space before the open parenthesis '('
Fix code style. Space required before the open parenthesis '('.

Signed-off-by: Xinhao Zhang <zhangxinhao1@huawei.com>
Signed-off-by: Kai Deng <dengkai1@huawei.com>
Message-id: 20201103114529.638233-3-zhangxinhao1@huawei.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-10 11:03:48 +00:00
Xinhao Zhang
6eb55edbab target/arm: Don't use '#' flag of printf format
Fix code style. Don't use '#' flag of printf format ('%#') in
format strings, use '0x' prefix instead

Signed-off-by: Xinhao Zhang <zhangxinhao1@huawei.com>
Signed-off-by: Kai Deng <dengkai1@huawei.com>
Message-id: 20201103114529.638233-2-zhangxinhao1@huawei.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-10 11:03:48 +00:00
Xinhao Zhang
bdc3b6f570 target/arm: add spaces around operator
Fix code style. Operator needs spaces both sides.

Signed-off-by: Xinhao Zhang <zhangxinhao1@huawei.com>
Signed-off-by: Kai Deng <dengkai1@huawei.com>
Message-id: 20201103114529.638233-1-zhangxinhao1@huawei.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-10 11:03:47 +00:00
Peter Maydell
f7e1914ada This fixes two bugs in the RISC-V port. One is a bug in the
Ibex PLIC, the other fixes the Hypvervisor access functions.
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Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20201109' into staging

This fixes two bugs in the RISC-V port. One is a bug in the
Ibex PLIC, the other fixes the Hypvervisor access functions.

# gpg: Signature made Tue 10 Nov 2020 03:53:49 GMT
# gpg:                using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8  CE8F 21E1 0D29 DF97 7054

* remotes/alistair/tags/pull-riscv-to-apply-20201109:
  hw/intc/ibex_plic: Clear the claim register when read
  target/riscv: Split the Hypervisor execute load helpers
  target/riscv: Remove the hyp load and store functions
  target/riscv: Remove the HS_TWO_STAGE flag
  target/riscv: Set the virtualised MMU mode when doing hyp accesses
  target/riscv: Add a virtualised MMU Mode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-10 09:24:56 +00:00
Daniele Buono
074df27f74 s390x: fix clang 11 warnings in cpu_models.c
There are void * pointers that get casted to enums, in cpu_models.c
Such casts can result in a small integer type and are caught as
warnings with clang, starting with version 11:

Clang 11 finds a bunch of spots in the code that trigger this new warnings:

../qemu-base/target/s390x/cpu_models.c:985:21: error: cast to smaller integer type 'S390Feat' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast]
    S390Feat feat = (S390Feat) opaque;
                    ^~~~~~~~~~~~~~~~~
../qemu-base/target/s390x/cpu_models.c:1002:21: error: cast to smaller integer type 'S390Feat' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast]
    S390Feat feat = (S390Feat) opaque;
                    ^~~~~~~~~~~~~~~~~
../qemu-base/target/s390x/cpu_models.c:1036:27: error: cast to smaller integer type 'S390FeatGroup' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast]
    S390FeatGroup group = (S390FeatGroup) opaque;
                          ^~~~~~~~~~~~~~~~~~~~~~
../qemu-base/target/s390x/cpu_models.c:1057:27: error: cast to smaller integer type 'S390FeatGroup' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast]
    S390FeatGroup group = (S390FeatGroup) opaque;
                          ^~~~~~~~~~~~~~~~~~~~~~
4 errors generated.

Avoid this warning by casting the pointer to uintptr_t first.

Signed-off-by: Daniele Buono <dbuono@linux.vnet.ibm.com>
Message-Id: <20201105221905.1350-3-dbuono@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-11-10 08:51:30 +01:00
Alistair Francis
7687537ab0 target/riscv: Split the Hypervisor execute load helpers
Split the hypervisor execute load functions into two seperate functions.
This avoids us having to pass the memop to the C helper functions.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 5b1550f0faa3c435cc77f3c1ae811dea98ab9e36.1604464950.git.alistair.francis@wdc.com
2020-11-09 15:09:00 -08:00
Alistair Francis
743077b35b target/riscv: Remove the hyp load and store functions
Remove the special Virtulisation load and store functions and just use
the standard tcg tcg_gen_qemu_ld_tl() and tcg_gen_qemu_st_tl() functions
instead.

As part of this change we ensure we still run an access check to make
sure we can perform the operations.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 189ac3e53ef2854824d18aad7074c6649f17de2c.1604464950.git.alistair.francis@wdc.com
2020-11-09 15:08:57 -08:00
Alistair Francis
1c1c060aa8 target/riscv: Remove the HS_TWO_STAGE flag
The HS_TWO_STAGE flag is no longer required as the MMU index contains
the information if we are performing a two stage access.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: f514b128b1ff0fb41c85f914cee18f905007a922.1604464950.git.alistair.francis@wdc.com
2020-11-09 15:08:53 -08:00
Alistair Francis
3e5979046f target/riscv: Set the virtualised MMU mode when doing hyp accesses
When performing the hypervisor load/store operations set the MMU mode to
indicate that we are virtualised.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: e411c61a1452cad16853f13cac2fb86dc91ebee8.1604464950.git.alistair.francis@wdc.com
2020-11-09 15:08:50 -08:00
Alistair Francis
c445593d30 target/riscv: Add a virtualised MMU Mode
Add a new MMU mode that includes the current virt mode.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 4b301bc0ea36da962fc1605371b65019ac3073df.1604464950.git.alistair.francis@wdc.com
2020-11-09 15:08:45 -08:00
Jiaxun Yang
d40b55bc1b target/mips: Fix PageMask with variable page size
Our current code assumed the target page size is always 4k
when handling PageMask and VPN2, however, variable page size
was just added to mips target and that's no longer true.

Fixes: ee3863b9d4 ("target/mips: Support variable page size")
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Message-Id: <1604636510-8347-2-git-send-email-chenhc@lemote.com>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: Replaced find_first_zero_bit() by cto32()]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-11-09 00:31:49 +01:00
Peter Maydell
3493c36f03 some s390x fixes, including a bios update
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20201106' into staging

some s390x fixes, including a bios update

# gpg: Signature made Fri 06 Nov 2020 13:08:42 GMT
# gpg:                using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg:                issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [unknown]
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>" [unknown]
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>" [unknown]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20201106:
  s390x: fix build for --without-default-devices
  target/s390x: fix execution with icount
  pc-bios/s390: update s390-ccw bios binaries
  s390-bios: Skip writing iplb location to low core for ccw ipl

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-06 13:43:28 +00:00
Pavel Dovgalyuk
5e49e89cb6 target/s390x: fix execution with icount
This patch adds some gen_io_start() calls to allow execution
of s390x targets in icount mode with -smp 1.
It enables deterministic timers and record/replay features.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Hildenbrand <david@redhat.com>
Message-Id: <160455551747.32240.17074484658979970129.stgit@pasha-ThinkPad-X280>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-11-05 11:20:34 +01:00
Chen Qun
295397f53c target/ppc/excp_helper: Add a fallthrough for fix compiler warning
When using -Wimplicit-fallthrough in our CFLAGS, the compiler showed warning:
../target/ppc/excp_helper.c: In function ‘powerpc_excp’:
../target/ppc/excp_helper.c:529:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
  529 |         msr |= env->error_code;
      |         ~~~~^~~~~~~~~~~~~~~~~~
../target/ppc/excp_helper.c:530:5: note: here
  530 |     case POWERPC_EXCP_HDECR:     /* Hypervisor decrementer exception         */
      |     ^~~~

Add the corresponding "fall through" comment to fix it.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Message-Id: <20201028055107.2170401-1-kuhn.chenqun@huawei.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-11-05 12:18:47 +11:00
Peter Maydell
e46912b66f MIPS patches queue
- Removal of the 'r4k' machine (deprecated before 5.0)
 - Fix LGPL license text (Chetan Pant)
 - Support unaligned accesses on Loongson-3 (Huacai Chen)
 - Fix out-of-bound access in Loongson-3 embedded I/O interrupt
   controller (Alex Chen)
 
 CI jobs results:
 . https://cirrus-ci.com/build/6324890389184512
 . https://gitlab.com/philmd/qemu/-/pipelines/211275262
 . https://travis-ci.org/github/philmd/qemu/builds/741188958
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Merge remote-tracking branch 'remotes/philmd-gitlab/tags/mips-fixes-20201103' into staging

MIPS patches queue

- Removal of the 'r4k' machine (deprecated before 5.0)
- Fix LGPL license text (Chetan Pant)
- Support unaligned accesses on Loongson-3 (Huacai Chen)
- Fix out-of-bound access in Loongson-3 embedded I/O interrupt
  controller (Alex Chen)

CI jobs results:
. https://cirrus-ci.com/build/6324890389184512
. https://gitlab.com/philmd/qemu/-/pipelines/211275262
. https://travis-ci.org/github/philmd/qemu/builds/741188958

# gpg: Signature made Tue 03 Nov 2020 17:30:30 GMT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd-gitlab/tags/mips-fixes-20201103:
  target/mips: Add unaligned access support for MIPS64R6 and Loongson-3
  target/mips: Fix Lesser GPL version number
  hw/intc/loongson: Fix incorrect 'core' calculation in liointc_read/write
  hw/mips/boston: Fix Lesser GPL version number
  hw/mips: Fix Lesser GPL version number
  hw/mips: Remove the 'r4k' machine

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-04 10:28:31 +00:00
Huacai Chen
8a805609d1 target/mips: Add unaligned access support for MIPS64R6 and Loongson-3
MIPSR6 (not only MIPS32R6) processors support unaligned access in
hardware, so set MO_UNALN in their default_tcg_memop_mask. Btw, new
Loongson-3 (such as Loongson-3A4000) also support unaligned access,
since both old and new Loongson-3 use the same binaries, we can simply
set MO_UNALN for all Loongson-3 processors.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1604053541-27822-3-git-send-email-chenhc@lemote.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-11-03 16:51:13 +01:00
Chetan Pant
89975214e6 target/mips: Fix Lesser GPL version number
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.

Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201016143509.26692-1-chetan4windows@gmail.com>
[PMD: Split hw/ vs target/]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-11-03 16:51:13 +01:00
Xinhao Zhang
4228197761 target/riscv/csr.c : add space before the open parenthesis '('
Fix code style. Space required before the open parenthesis '('.

Signed-off-by: Xinhao Zhang <zhangxinhao1@huawei.com>
Signed-off-by: Kai Deng <dengkai1@huawei.com>
Reported-by: Euler Robot <euler.robot@huawei.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201030004815.4172849-1-zhangxinhao1@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2020-11-03 07:17:23 -08:00
Yifei Jiang
bb02edcd86 target/riscv: Add V extension state description
In the case of supporting V extension, add V extension description
to vmstate_riscv_cpu.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201026115530.304-6-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2020-11-03 07:17:23 -08:00
Yifei Jiang
35e07821ff target/riscv: Add H extension state description
In the case of supporting H extension, add H extension description
to vmstate_riscv_cpu.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201026115530.304-5-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2020-11-03 07:17:23 -08:00
Yifei Jiang
24beb03e46 target/riscv: Add PMP state description
In the case of supporting PMP feature, add PMP state description
to vmstate_riscv_cpu.

'vmstate_pmp_addr' and 'num_rules' could be regenerated by
pmp_update_rule(). But there exists the problem of updating
num_rules repeatedly in pmp_update_rule(). So here extracts
pmp_update_rule_addr() and pmp_update_rule_nums() to update
'vmstate_pmp_addr' and 'num_rules' respectively.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201026115530.304-4-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2020-11-03 07:17:23 -08:00
Yifei Jiang
f7697f0e62 target/riscv: Add basic vmstate description of CPU
Add basic CPU state description to the newly created machine.c

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201026115530.304-3-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2020-11-03 07:17:23 -08:00
Yifei Jiang
284d697c74 target/riscv: Merge m/vsstatus and m/vsstatush into one uint64_t unit
mstatus/mstatush and vsstatus/vsstatush are two halved for RISCV32.
This patch expands mstatus and vsstatus to uint64_t instead of
target_ulong so that it can be saved as one unit and reduce some
ifdefs in the code.

Signed-off-by: Yifei Jiang <jiangyifei@huawei.com>
Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201026115530.304-2-jiangyifei@huawei.com
2020-11-03 07:17:23 -08:00
Peter Maydell
7142eb9e24 target/arm: Get correct MMU index for other-security-state
In arm_v7m_mmu_idx_for_secstate() we get the 'priv' level to pass to
armv7m_mmu_idx_for_secstate_and_priv() by calling arm_current_el().
This is incorrect when the security state being queried is not the
current one, because arm_current_el() uses the current security state
to determine which of the banked CONTROL.nPRIV bits to look at.
The effect was that if (for instance) Secure state was in privileged
mode but Non-Secure was not then we would return the wrong MMU index.

The only places where we are using this function in a way that could
trigger this bug are for the stack loads during a v8M function-return
and for the instruction fetch of a v8M SG insn.

Fix the bug by expanding out the M-profile version of the
arm_current_el() logic inline so it can use the passed in secstate
rather than env->v7m.secure.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201022164408.13214-1-peter.maydell@linaro.org
2020-11-02 16:52:17 +00:00
Rémi Denis-Courmont
9bd268bae5 target/arm: fix LORID_EL1 access check
Secure mode is not exempted from checking SCR_EL3.TLOR, and in the
future HCR_EL2.TLOR when S-EL2 is enabled.

Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:16 +00:00
Rémi Denis-Courmont
373e7ffde9 target/arm: fix handling of HCR.FB
HCR should be applied when NS is set, not when it is cleared.

Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:15 +00:00
Peter Maydell
d1a9254be5 target/arm: Fix VUDOT/VSDOT (scalar) on big-endian hosts
The helper functions for performing the udot/sdot operations against
a scalar were not using an address-swizzling macro when converting
the index of the scalar element into a pointer into the vm array.
This had no effect on little-endian hosts but meant we generated
incorrect results on big-endian hosts.

For these insns, the index is indexing over group of 4 8-bit values,
so 32 bits per indexed entity, and H4() is therefore what we want.
(For Neon the only possible input indexes are 0 and 1.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201028191712.4910-3-peter.maydell@linaro.org
2020-11-02 16:52:15 +00:00
Peter Maydell
552714c081 target/arm: Fix float16 pairwise Neon ops on big-endian hosts
In the neon_padd/pmax/pmin helpers for float16, a cut-and-paste error
meant we were using the H4() address swizzler macro rather than the
H2() which is required for 2-byte data.  This had no effect on
little-endian hosts but meant we put the result data into the
destination Dreg in the wrong order on big-endian hosts.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201028191712.4910-2-peter.maydell@linaro.org
2020-11-02 16:52:15 +00:00
Richard Henderson
8aab18a2c5 target/arm: Improve do_prewiden_3d
We can use proper widening loads to extend 32-bit inputs,
and skip the "widenfn" step.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-12-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:15 +00:00
Richard Henderson
9f1a5f93c2 target/arm: Simplify do_long_3d and do_2scalar_long
In both cases, we can sink the write-back and perform
the accumulate into the normal destination temps.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-11-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:15 +00:00
Richard Henderson
b38b96ca90 target/arm: Rename neon_load_reg64 to vfp_load_reg64
The only uses of this function are for loading VFP
double-precision values, and nothing to do with NEON.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-10-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:14 +00:00
Richard Henderson
0aa8e700a5 target/arm: Add read/write_neon_element64
Replace all uses of neon_load/store_reg64 within translate-neon.c.inc.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-9-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:14 +00:00
Richard Henderson
21c1c0e50b target/arm: Rename neon_load_reg32 to vfp_load_reg32
The only uses of this function are for loading VFP
single-precision values, and nothing to do with NEON.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-8-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:14 +00:00
Richard Henderson
4d5fa5a80a target/arm: Expand read/write_neon_element32 to all MemOp
We can then use this to improve VMOV (scalar to gp) and
VMOV (gp to scalar) so that we simply perform the memory
operation that we wanted, rather than inserting or
extracting from a 32-bit quantity.

These were the last uses of neon_load/store_reg, so remove them.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-7-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:14 +00:00
Richard Henderson
a712266f5d target/arm: Add read/write_neon_element32
Model these off the aa64 read/write_vec_element functions.
Use it within translate-neon.c.inc.  The new functions do
not allocate or free temps, so this rearranges the calling
code a bit.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-6-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:13 +00:00
Richard Henderson
d8719785fd target/arm: Use neon_element_offset in vfp_reg_offset
This seems a bit more readable than using offsetof CPU_DoubleU.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-5-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:13 +00:00
Richard Henderson
0f2cdc8227 target/arm: Use neon_element_offset in neon_load/store_reg
These are the only users of neon_reg_offset, so remove that.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-4-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:13 +00:00
Richard Henderson
7ec85c0283 target/arm: Move neon_element_offset to translate.c
This will shortly have users outside of translate-neon.c.inc.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:13 +00:00
Richard Henderson
015ee81a4c target/arm: Introduce neon_full_reg_offset
This function makes it clear that we're talking about the whole
register, and not the 32-bit piece at index 0.  This fixes a bug
when running on a big-endian host.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201030022618.785675-2-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-02 16:52:12 +00:00
Peter Maydell
a19d4bc452 ppc patch queue 2020-10-28
Here's the next pull request for ppc and spapr related patches, which
 should be the last things for soft freeze.  Includes:
 
  * Numerous error handling cleanups from Greg Kurz
  * Cleanups to cpu realization and hotplug handling from Greg Kurz
  * A handful of other small fixes and cleanups
 
 This does include a change to pc_dimm_plug() that isn't in my normal
 areas of concern.  That's there as a a prerequisite for ppc specific
 changes, and has an ack from Igor.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.2-20201028' into staging

ppc patch queue 2020-10-28

Here's the next pull request for ppc and spapr related patches, which
should be the last things for soft freeze.  Includes:

 * Numerous error handling cleanups from Greg Kurz
 * Cleanups to cpu realization and hotplug handling from Greg Kurz
 * A handful of other small fixes and cleanups

This does include a change to pc_dimm_plug() that isn't in my normal
areas of concern.  That's there as a a prerequisite for ppc specific
changes, and has an ack from Igor.

# gpg: Signature made Tue 27 Oct 2020 14:13:21 GMT
# 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/dgibson/tags/ppc-for-5.2-20201028:
  ppc/: fix some comment spelling errors
  spapr: Improve spapr_reallocate_hpt() error reporting
  target/ppc: Fix kvmppc_load_htab_chunk() error reporting
  spapr: Use error_append_hint() in spapr_reallocate_hpt()
  spapr: Simplify error handling in spapr_memory_plug()
  spapr: Pass &error_abort when getting some PC DIMM properties
  spapr: Use appropriate getter for PC_DIMM_SLOT_PROP
  spapr: Use appropriate getter for PC_DIMM_ADDR_PROP
  pc-dimm: Drop @errp argument of pc_dimm_plug()
  spapr: Simplify spapr_cpu_core_realize() and spapr_cpu_core_unrealize()
  spapr: Make spapr_cpu_core_unrealize() idempotent
  spapr: Drop spapr_delete_vcpu() unused argument
  spapr: Unrealize vCPUs with qdev_unrealize()
  spapr: Fix leak of CPU machine specific data
  spapr: Move spapr_create_nvdimm_dr_connectors() to core machine code
  hw/net: move allocation to the heap due to very large stack frame
  ppc/spapr: re-assert IRQs during event-scan if there are pending
  spapr: Clarify why DR connectors aren't user creatable

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-10-29 14:30:58 +00:00