Commit Graph

9841 Commits (b74c04431d0afac930634794c8a7b74ec0d8572b)

Author SHA1 Message Date
Richard Henderson b74c04431d target/arm: Introduce arm_hcr_el2_eff_secstate
For page walking, we may require HCR for a security state
that is not "current".

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-14-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:25 +01:00
Richard Henderson fdf1293339 target/arm: Drop secure check for HCR.TGE vs SCTLR_EL1.M
The effect of TGE does not only apply to non-secure state,
now that Secure EL2 exists.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-13-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson 3b2af99313 target/arm: Reorg regime_translation_disabled
Use a switch on mmu_idx for the a-profile indexes, instead of
three different if's vs regime_el and arm_mmu_idx_is_stage1_of_2.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson d902ae7558 target/arm: Fold secure and non-secure a-profile mmu indexes
For a-profile aarch64, which does not bank system registers, it takes
quite a lot of code to switch between security states.  In the process,
registers such as TCR_EL{1,2} must be swapped, which in itself requires
the flushing of softmmu tlbs.  Therefore it doesn't buy us anything to
separate tlbs by security state.

Retain the distinction between Stage2 and Stage2_S.

This will be important as we implement FEAT_RME, and do not wish to
add a third set of mmu indexes for Realm state.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson 7aee3cb956 target/arm: Add is_secure parameter to do_ats_write
Use get_phys_addr_with_secure directly.  For a-profile, this is the
one place where the value of is_secure may not equal arm_is_secure(env).

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson 03bea66e7f target/arm: Merge regime_is_secure into get_phys_addr
This is the last use of regime_is_secure; remove it
entirely before changing the layout of ARMMMUIdx.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson a393dee019 target/arm: Add TBFLAG_M32.SECURE
Remove the use of regime_is_secure from arm_tr_init_disas_context.
Instead, provide the value of v8m_secure directly from tb_flags.
Rather than use regime_is_secure, use the env->v7m.secure directly,
as per arm_mmu_idx_el.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson 9cd5f1710e target/arm: Add is_secure parameter to v7m_read_half_insn
Remove the use of regime_is_secure from v7m_read_half_insn, using
the new parameter instead.

As it happens, both callers pass true, propagated from the argument
to arm_v7m_mmu_idx_for_secstate which created the mmu_idx argument,
but that is a detail of v7m_handle_execute_nsc we need not expose
to the callee.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson def8aa5b80 target/arm: Split out get_phys_addr_with_secure
Retain the existing get_phys_addr interface using the security
state derived from mmu_idx.  Move the kerneldoc comments to the
header file where they belong.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson 7e80c0a4ff target/arm: Add is_secure parameter to regime_translation_disabled
Remove the use of regime_is_secure from regime_translation_disabled,
using the new parameter instead.

This fixes a bug in S1_ptw_translate and get_phys_addr where we had
passed ARMMMUIdx_Stage2 and not ARMMMUIdx_Stage2_S to determine if
Stage2 is disabled, affecting FEAT_SEL2.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson bf25b7b079 target/arm: Fix S2 disabled check in S1_ptw_translate
Pass the correct stage2 mmu_idx to regime_translation_disabled,
which we computed afterward.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20221001162318.153420-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson c23f08a56c target/arm: Add is_secure parameter to get_phys_addr_lpae
Remove the use of regime_is_secure from get_phys_addr_lpae,
using the new parameter instead.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221001162318.153420-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson 9b5ba97ac7 target/arm: Make the final stage1+2 write to secure be unconditional
While the stage2 call to get_phys_addr_lpae should never set
attrs.secure when given a non-secure input, it's just as easy
to make the final update to attrs.secure be unconditional and
false in the case of non-secure input.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221007152159.1414065-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Richard Henderson c7637be307 target/arm: Split s2walk_secure from ipa_secure in get_phys_addr
The starting security state comes with the translation regime,
not the current state of arm_is_secure_below_el3().

Create a new local variable, s2walk_secure, which does not need
to be written back to result->attrs.secure -- we compute that
value later, after the S2 walk is complete.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20221001162318.153420-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Jerome Forissier 06f2adccfa target/arm: allow setting SCR_EL3.EnTP2 when FEAT_SME is implemented
Updates write_scr() to allow setting SCR_EL3.EnTP2 when FEAT_SME is
implemented. SCR_EL3 being a 64-bit register, valid_mask is changed
to uint64_t and the SCR_* constants in target/arm/cpu.h are extended
to 64-bit so that masking and bitwise not (~) behave as expected.

This enables booting Linux with Trusted Firmware-A at EL3 with
"-M virt,secure=on -cpu max".

Cc: qemu-stable@nongnu.org
Fixes: 78cb977666 ("target/arm: Enable SME for -cpu max")
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221004072354.27037-1-jerome.forissier@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:23 +01:00
Peter Maydell bbde13cd14 target/arm/kvm: Retry KVM_CREATE_VM call if it fails EINTR
Occasionally the KVM_CREATE_VM ioctl can return EINTR, even though
there is no pending signal to be taken. In commit 94ccff1338
we added a retry-on-EINTR loop to the KVM_CREATE_VM call in the
generic KVM code. Adopt the same approach for the use of the
ioctl in the Arm-specific KVM code (where we use it to create a
scratch VM for probing for various things).

For more information, see the mailing list thread:
https://lore.kernel.org/qemu-devel/8735e0s1zw.wl-maz@kernel.org/

Reported-by: Vitaly Chikunov <vt@altlinux.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Message-id: 20220930113824.1933293-1-peter.maydell@linaro.org
2022-10-10 14:52:23 +01:00
Alex Bennée bf0c50d4aa monitor: expose monitor_puts to rest of code
This helps us construct strings elsewhere before echoing to the
monitor. It avoids having to jump through hoops like:

  monitor_printf(mon, "%s", s->str);

It will be useful in following patches but for now convert all
existing plain "%s" printfs to use the _puts api.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929114231.583801-33-alex.bennee@linaro.org>
2022-10-06 11:53:40 +01:00
Stefan Hajnoczi 1dcdc92c72 Make store handling faster and more robust
Bug fix in gen_tcg_funcs.py
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Merge tag 'pull-hex-20221003' of https://github.com/quic/qemu into staging

Make store handling faster and more robust
Bug fix in gen_tcg_funcs.py

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# gpg: Signature made Mon 03 Oct 2022 14:08:46 EDT
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# gpg: Good signature from "Taylor Simpson (Rock on) <tsimpson@quicinc.com>" [unknown]
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* tag 'pull-hex-20221003' of https://github.com/quic/qemu:
  Hexagon (gen_tcg_funcs.py): avoid duplicated tcg code on A_CVI_NEW
  Hexagon (target/hexagon) move store size tracking to translation
  Hexagon (target/hexagon) Change decision to set pkt_has_store_s[01]
  Hexagon (target/hexagon) add instruction attributes from archlib

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-05 10:17:32 -04:00
Stefan Hajnoczi 4a9c04672a Cache CPUClass for use in hot code paths.
Add CPUTLBEntryFull, probe_access_full, tlb_set_page_full.
 Add generic support for TARGET_TB_PCREL.
 tcg/ppc: Optimize 26-bit jumps using STQ for POWER 2.07
 target/sh4: Fix TB_FLAG_UNALIGN
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Merge tag 'pull-tcg-20221004' of https://gitlab.com/rth7680/qemu into staging

Cache CPUClass for use in hot code paths.
Add CPUTLBEntryFull, probe_access_full, tlb_set_page_full.
Add generic support for TARGET_TB_PCREL.
tcg/ppc: Optimize 26-bit jumps using STQ for POWER 2.07
target/sh4: Fix TB_FLAG_UNALIGN

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* tag 'pull-tcg-20221004' of https://gitlab.com/rth7680/qemu:
  target/sh4: Fix TB_FLAG_UNALIGN
  tcg/ppc: Optimize 26-bit jumps
  accel/tcg: Introduce TARGET_TB_PCREL
  accel/tcg: Introduce tb_pc and log_pc
  hw/core: Add CPUClass.get_pc
  include/hw/core: Create struct CPUJumpCache
  accel/tcg: Inline tb_flush_jmp_cache
  accel/tcg: Do not align tb->page_addr[0]
  accel/tcg: Use DisasContextBase in plugin_gen_tb_start
  accel/tcg: Use bool for page_find_alloc
  accel/tcg: Remove PageDesc code_bitmap
  include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA
  accel/tcg: Introduce tlb_set_page_full
  accel/tcg: Introduce probe_access_full
  accel/tcg: Suppress auto-invalidate in probe_access_internal
  accel/tcg: Drop addr member from SavedIOTLB
  accel/tcg: Rename CPUIOTLBEntry to CPUTLBEntryFull
  cputlb: used cached CPUClass in our hot-paths
  hw/core/cpu-sysemu: used cached class in cpu_asidx_from_attrs
  cpu: cache CPUClass in CPUState for hot code paths

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-05 10:17:02 -04:00
Richard Henderson ab419fd8a0 target/sh4: Fix TB_FLAG_UNALIGN
The value previously chosen overlaps GUSA_MASK.

Rename all DELAY_SLOT_* and GUSA_* defines to emphasize
that they are included in TB_FLAGs.  Add aliases for the
FPSCR and SR bits that are included in TB_FLAGS, so that
we don't accidentally reassign those bits.

Fixes: 4da06fb306 ("target/sh4: Implement prctl_unalign_sigbus")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/856
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-10-04 12:33:05 -07:00
Richard Henderson fbf59aad17 accel/tcg: Introduce tb_pc and log_pc
The availability of tb->pc will shortly be conditional.
Introduce accessor functions to minimize ifdefs.

Pass around a known pc to places like tcg_gen_code,
where the caller must already have the value.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-10-04 12:13:12 -07:00
Richard Henderson e4fdf9df5b hw/core: Add CPUClass.get_pc
Populate this new method for all targets.  Always match
the result that would be given by cpu_get_tb_cpu_state,
as we will want these values to correspond in the logs.

Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> (target/sparc)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
Cc: Eduardo Habkost <eduardo@habkost.net> (supporter:Machine core)
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> (supporter:Machine core)
Cc: "Philippe Mathieu-Daudé" <f4bug@amsat.org> (reviewer:Machine core)
Cc: Yanan Wang <wangyanan55@huawei.com> (reviewer:Machine core)
Cc: Michael Rolnik <mrolnik@gmail.com> (maintainer:AVR TCG CPUs)
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com> (maintainer:CRIS TCG CPUs)
Cc: Taylor Simpson <tsimpson@quicinc.com> (supporter:Hexagon TCG CPUs)
Cc: Song Gao <gaosong@loongson.cn> (maintainer:LoongArch TCG CPUs)
Cc: Xiaojuan Yang <yangxiaojuan@loongson.cn> (maintainer:LoongArch TCG CPUs)
Cc: Laurent Vivier <laurent@vivier.eu> (maintainer:M68K TCG CPUs)
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> (reviewer:MIPS TCG CPUs)
Cc: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com> (reviewer:MIPS TCG CPUs)
Cc: Chris Wulff <crwulff@gmail.com> (maintainer:NiosII TCG CPUs)
Cc: Marek Vasut <marex@denx.de> (maintainer:NiosII TCG CPUs)
Cc: Stafford Horne <shorne@gmail.com> (odd fixer:OpenRISC TCG CPUs)
Cc: Yoshinori Sato <ysato@users.sourceforge.jp> (reviewer:RENESAS RX CPUs)
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> (maintainer:SPARC TCG CPUs)
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> (maintainer:TriCore TCG CPUs)
Cc: Max Filippov <jcmvbkbc@gmail.com> (maintainer:Xtensa TCG CPUs)
Cc: qemu-arm@nongnu.org (open list:ARM TCG CPUs)
Cc: qemu-ppc@nongnu.org (open list:PowerPC TCG CPUs)
Cc: qemu-riscv@nongnu.org (open list:RISC-V TCG CPUs)
Cc: qemu-s390x@nongnu.org (open list:S390 TCG CPUs)
2022-10-04 12:13:12 -07:00
Stefan Hajnoczi fafd35a6da Pull request trivial patches branch 20220930-v2
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Merge tag 'trivial-branch-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

Pull request trivial patches branch 20220930-v2

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# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'trivial-branch-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  docs: Update TPM documentation for usage of a TPM 2
  Use g_new() & friends where that makes obvious sense
  Drop superfluous conditionals around g_free()
  block/qcow2-bitmap: Add missing cast to silent GCC error
  checkpatch: ignore target/hexagon/imported/* files
  mem/cxl_type3: fix GPF DVSEC
  .gitignore: add .cache/ to .gitignore
  hw/virtio/vhost-shadow-virtqueue: Silence GCC error "maybe-uninitialized"

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-04 14:04:18 -04:00
Stefan Hajnoczi f8ec554cb8 * x86: re-enable rng seeding via SetupData
* x86: reinitialize RNG seed on system reboot and after kernel load
 * qboot: rebuild based on latest commit
 * watchdog: remove -watchdog option
 * update Meson to 0.61.5, move more configure tests
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* x86: re-enable rng seeding via SetupData
* x86: reinitialize RNG seed on system reboot and after kernel load
* qboot: rebuild based on latest commit
* watchdog: remove -watchdog option
* update Meson to 0.61.5, move more configure tests

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# gpg: Signature made Sat 01 Oct 2022 15:16:48 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  x86: re-initialize RNG seed when selecting kernel
  target/i386/kvm: fix kvmclock_current_nsec: Assertion `time.tsc_timestamp <= migration_tsc' failed
  configure, meson: move linker flag detection to meson
  configure, meson: move C++ compiler detection to meson.build
  meson: multiple names can be passed to dependency()
  meson: require 0.61.3
  meson: -display dbus and CFI are incompatible
  ui: fix path to dbus-display1.h
  watchdog: remove -watchdog option
  configure: do not invoke as/ld directly for pc-bios/optionrom
  qboot: rebuild based on latest commit
  x86: re-enable rng seeding via SetupData
  x86: reinitialize RNG seed on system reboot
  x86: use typedef for SetupData struct
  x86: return modified setup_data only if read as memory, not as file

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-04 14:03:21 -04:00
Richard Henderson c3c8bf579b accel/tcg: Suppress auto-invalidate in probe_access_internal
When PAGE_WRITE_INV is set when calling tlb_set_page,
we immediately set TLB_INVALID_MASK in order to force
tlb_fill to be called on the next lookup.  Here in
probe_access_internal, we have just called tlb_fill
and eliminated true misses, thus the lookup must be valid.

This allows us to remove a warning comment from s390x.
There doesn't seem to be a reason to change the code though.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-10-03 20:53:30 -07:00
Richard Henderson 25d3ec5831 accel/tcg: Rename CPUIOTLBEntry to CPUTLBEntryFull
This structure will shortly contain more than just
data for accessing MMIO.  Rename the 'addr' member
to 'xlat_section' to more clearly indicate its purpose.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-10-03 20:53:30 -07:00
Markus Armbruster 76eb88b12b Drop superfluous conditionals around g_free()
There is no need to guard g_free(P) with if (P): g_free(NULL) is safe.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220923090428.93529-1-armbru@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-10-04 00:10:11 +02:00
Matheus Tavares Bernardino 772b3eb4b4 Hexagon (gen_tcg_funcs.py): avoid duplicated tcg code on A_CVI_NEW
Hexagon instructions with the A_CVI_NEW attribute produce a vector value
that can be used in the same packet. The python function responsible for
generating code for such instructions has a typo ("if" instead of
"elif"), which makes genptr_dst_write_ext() be executed twice, thus also
generating the same tcg code twice. Fortunately, this doesn't cause any
problems for correctness, but it is less efficient than it could be. Fix
it by using an "elif" and avoiding the unnecessary extra code gen.

Signed-off-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <fa706b192b2a3a0ffbd399fa8dbf0d5b2c5b82d9.1664568492.git.quic_mathbern@quicinc.com>
2022-10-03 11:07:44 -07:00
Ray Zhang c4ef867f29 target/i386/kvm: fix kvmclock_current_nsec: Assertion `time.tsc_timestamp <= migration_tsc' failed
New KVM_CLOCK flags were added in the kernel.(c68dc1b577eabd5605c6c7c08f3e07ae18d30d5d)
```
+ #define KVM_CLOCK_VALID_FLAGS						\
+	(KVM_CLOCK_TSC_STABLE | KVM_CLOCK_REALTIME | KVM_CLOCK_HOST_TSC)

	case KVM_CAP_ADJUST_CLOCK:
-		r = KVM_CLOCK_TSC_STABLE;
+		r = KVM_CLOCK_VALID_FLAGS;
```

kvm_has_adjust_clock_stable needs to handle additional flags,
so that s->clock_is_reliable can be true and kvmclock_current_nsec doesn't need to be called.

Signed-off-by: Ray Zhang <zhanglei002@gmail.com>
Message-Id: <20220922100523.2362205-1-zhanglei002@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-01 21:16:36 +02:00
Taylor Simpson 661ad999c5 Hexagon (target/hexagon) move store size tracking to translation
The store width is needed for packet commit, so it is stored in
ctx->store_width.  Currently, it is set when a store has a TCG
override instead of a QEMU helper.  In the QEMU helper case, the
ctx->store_width is not set, we invoke a helper during packet commit
that uses the runtime store width.

This patch ensures ctx->store_width is set for all store instructions,
so performance is improved because packet commit can generate the proper
TCG store rather than the generic helper.

We do this by
- Use the attributes from the instructions during translation to
  set ctx->store_width
- Remove setting of ctx->store_width from genptr.c

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220920080746.26791-3-tsimpson@quicinc.com>
2022-09-30 11:25:37 -07:00
Taylor Simpson e2be9a5c5f Hexagon (target/hexagon) Change decision to set pkt_has_store_s[01]
We have found cases where pkt_has_store_s[01] is set incorrectly.
This leads to generating an unnecessary store that is left over
from a previous packet.

Add an attribute to determine if an instruction is a scalar store
The attribute is attached to the fSTORE macro (hex_common.py)
Update the logic in decode.c that sets pkt_has_store_s[01]

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220920080746.26791-4-tsimpson@quicinc.com>
2022-09-30 11:25:37 -07:00
Taylor Simpson b772528acb Hexagon (target/hexagon) add instruction attributes from archlib
The imported files from the architecture library have added some
instruction attributes.  Some of these will be used in a subsequent
patch for determing the size of a store.

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220920080746.26791-2-tsimpson@quicinc.com>
2022-09-30 11:25:37 -07:00
Jerome Forissier beeec926d2 target/arm: mark SP_EL1 with ARM_CP_EL3_NO_EL2_KEEP
SP_EL1 must be kept when EL3 is present but EL2 is not. Therefore mark
it with ARM_CP_EL3_NO_EL2_KEEP.

Cc: qemu-stable@nongnu.org
Fixes: 696ba37718 ("target/arm: Handle cpreg registration for missing EL")
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220927120058.670901-1-jerome.forissier@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-09-29 18:01:09 +01:00
Peter Maydell 042e85d14c target/arm: Rearrange cpu64.c so all the CPU initfns are together
cpu64.c has ended up in a slightly odd order -- it starts with the
initfns for most of the models-real-hardware CPUs; after that comes a
bunch of support code for SVE, SME, pauth and LPA2 properties.  Then
come the initfns for the 'host' and 'max' CPU types, and then after
that one more models-real-hardware CPU initfn, for a64fx.  (This
ordering is partly historical and partly required because a64fx needs
the SVE properties.)

Reorder the file into:
 * CPU property support functions
 * initfns for real hardware CPUs
 * initfns for host and max
 * class boilerplate

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2022-09-29 17:35:05 +01:00
Peter Maydell f190bd1da1 target/arm: Update SDCR_VALID_MASK to include SCCD
Our SDCR_VALID_MASK doesn't include all of the bits which are defined
by the current architecture.  In particular in commit 0b42f4fab9 we
forgot to add SCCD, which meant that an AArch32 guest couldn't
actually use the SCCD bit to disable counting in Secure state.

Add all the currently defined bits; we don't implement all of them,
but this makes them be reads-as-written, which is architecturally
valid and matches how we currently handle most of the others in the
mask.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220923123412.1214041-4-peter.maydell@linaro.org
2022-09-29 17:31:52 +01:00
Peter Maydell 80d2b43b2f target/arm: Make writes to MDCR_EL3 use PMU start/finish calls
In commit 01765386a8 we fixed a bug where we weren't correctly
bracketing changes to some registers with pmu_op_start() and
pmu_op_finish() calls for changes which affect whether the PMU
counters might be enabled.  However, we missed the case of writes to
the AArch64 MDCR_EL3 register, because (unlike its AArch32
counterpart) they are currently done directly to the CPU state struct
without going through the sdcr_write() function.

Give MDCR_EL3 a writefn which handles the PMU start/finish calls.
The SDCR writefn then simplfies to "call the MDCR_EL3 writefn after
masking off the bits which don't exist in the AArch32 register".

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220923123412.1214041-3-peter.maydell@linaro.org
2022-09-29 17:31:52 +01:00
Peter Maydell 7f4fbfb5dc target/arm: Mark registers which call pmu_op_start() as ARM_CP_IO
In commit 01765386a8 we made some system register write functions
call pmu_op_start()/pmu_op_finish(). This means that they now touch
timers, so for icount to work these registers must have the ARM_CP_IO
flag set.

This fixes a bug where when icount is enabled a guest that touches
MDCR_EL3, MDCR_EL2, PMCNTENSET_EL0 or PMCNTENCLR_EL0 would cause
QEMU to print an error message and exit, for example:

[    2.495971] TCP: Hash tables configured (established 1024 bind 1024)
[    2.496213] UDP hash table entries: 256 (order: 1, 8192 bytes)
[    2.496386] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[    2.496917] NET: Registered protocol family 1
qemu-system-aarch64: Bad icount read

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220923123412.1214041-2-peter.maydell@linaro.org
2022-09-29 17:31:52 +01:00
Stefan Hajnoczi 36cd0aeac3 linux-user pull request 20220928-v2
use 'max' instead of 'qemu32' / 'qemu64'
 add  pidfd_open(), pidfd_send_signal() and pidfd_getfd()
 Improve madvise(MADV_DONTNEED)
 futex syscal rework
 strace improvement
 HP/PA fixes and improvement
 Misc fixes
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Merge tag 'linux-user-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

linux-user pull request 20220928-v2

use 'max' instead of 'qemu32' / 'qemu64'
add  pidfd_open(), pidfd_send_signal() and pidfd_getfd()
Improve madvise(MADV_DONTNEED)
futex syscal rework
strace improvement
HP/PA fixes and improvement
Misc fixes

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# gpg: Signature made Wed 28 Sep 2022 16:27:14 EDT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'linux-user-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu: (37 commits)
  linux-user: Add parameters of getrandom() syscall for strace
  linux-user: Lock log around strace
  linux-user: Update print_futex_op
  linux-user: Implement PI futexes
  linux-user: Convert signal number for FUTEX_FD
  linux-user: Implement FUTEX_WAKE_BITSET
  linux-user: Sink call to do_safe_futex
  linux-user: Combine do_futex and do_futex_time64
  linux-user: Set ELF_BASE_PLATFORM for MIPS
  linux-user: Introduce stubs for ELF AT_BASE_PLATFORM
  linux-user/s390x: Save/restore fpc when handling a signal
  linux-user: Don't assume 0 is not a valid host timer_t value
  linux-user: fix bug about missing signum convert of sigqueue
  linux-user/hppa: Fix setup_sigcontext()
  linux-user/hppa: Allow PROT_GROWSUP and PROT_GROWSDOWN in mprotect()
  linux-user/hppa: Increase guest stack size to 80MB for hppa target
  linux-user/hppa: Drop stack guard page on hppa target
  linux-user/hppa: Add signal trampoline for hppa target
  linux-user: Add proper strace format strings for getdents()/getdents64()
  linux-user: Fix TARGET_PROT_SEM for XTENSA
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-28 17:03:54 -04:00
Stefan Hajnoczi 5c3c21ebd9 M68k pull request 20220927
Align bootinfo tags
 fix move from sr
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Merge tag 'm68k-for-7.2-pull-request' of https://github.com/vivier/qemu-m68k into staging

M68k pull request 20220927

Align bootinfo tags
fix move from sr

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# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'm68k-for-7.2-pull-request' of https://github.com/vivier/qemu-m68k:
  m68k: align bootinfo strings and data to 4 bytes
  target/m68k: use M68K_FEATURE_MOVEFROMSR_PRIV feature for move_from_sr privilege check
  target/m68k: increase size of m68k CPU features from uint32_t to uint64_t

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-27 11:07:52 -04:00
Stefan Hajnoczi fe65642bba * Fix emulation of the LZRF instruction
* Fix "noexec" TCG test on s390x
 * Implement SHA-512 and random number generator instructions
 * Support for zPCI interpretation on s390x hosts
 * Removal of the "slirp" submodule
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Merge tag 'pull-request-2022-09-26' of https://gitlab.com/thuth/qemu into staging

* Fix emulation of the LZRF instruction
* Fix "noexec" TCG test on s390x
* Implement SHA-512 and random number generator instructions
* Support for zPCI interpretation on s390x hosts
* Removal of the "slirp" submodule

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# 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

* tag 'pull-request-2022-09-26' of https://gitlab.com/thuth/qemu:
  Remove the slirp submodule (i.e. compile only with an external libslirp)
  s390x/s390-virtio-ccw: add zpcii-disable machine property
  s390x/pci: reflect proper maxstbl for groups of interpreted devices
  s390x/pci: let intercept devices have separate PCI groups
  s390x/pci: enable adapter event notification for interpreted devices
  s390x/pci: don't fence interpreted devices without MSI-X
  s390x/pci: enable for load/store interpretation
  s390x/pci: add routine to get host function handle from CLP info
  Update linux headers to v6.0-rc4
  configure: Add -Wno-gnu-variable-sized-type-not-at-end
  target/s390x: support PRNO_TRNG instruction
  target/s390x: support SHA-512 extensions
  linux-user/host/s390: Add vector instructions to host_signal_write()
  s390x/tcg: Fix opcode for lzrf

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-27 11:06:52 -04:00
Helge Deller 770525f8ea linux-user/hppa: Dump IIR on register dump
Include the IIR register (which holds the opcode of the failing
instruction) when dumping the hppa registers.

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220918194555.83535-7-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-09-27 09:29:33 +02:00
Yang Liu a3ab69f9f6 target/riscv: rvv-1.0: vf[w]redsum distinguish between ordered/unordered
Starting with RVV1.0, the original vf[w]redsum_vs instruction was renamed
to vf[w]redusum_vs. The distinction between ordered and unordered is also
more consistent with other instructions, although there is no difference
in implementation between the two for QEMU.

Signed-off-by: Yang Liu <liuyang22@iscas.ac.cn>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Message-Id: <20220817074802.20765-2-liuyang22@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 11:23:57 +10:00
Yang Liu 5bda21c0ea target/riscv: rvv-1.0: Simplify vfwredsum code
Remove duplicate code by wrapping vfwredsum_vs's OP function.

Signed-off-by: Yang Liu <liuyang22@iscas.ac.cn>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Message-Id: <20220817074802.20765-1-liuyang22@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 11:23:57 +10:00
Frank Chang c472c142a7 target/riscv: debug: Add initial support of type 6 trigger
Type 6 trigger is similar to a type 2 trigger, but provides additional
functionality and should be used instead of type 2 in newer
implementations.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220909134215.1843865-9-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 11:23:57 +10:00
Frank Chang c32461d8ee target/riscv: debug: Check VU/VS modes for type 2 trigger
Type 2 trigger cannot be fired in VU/VS modes.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220909134215.1843865-8-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 11:23:57 +10:00
Frank Chang d1c111411e target/riscv: debug: Create common trigger actions function
Trigger actions are shared among all triggers. Extract to a common
function.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
[bmeng: handle the DBG_ACTION_NONE case]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220909134215.1843865-7-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 11:23:57 +10:00
Frank Chang 31b9798d82 target/riscv: debug: Introduce tinfo CSR
tinfo.info:
  One bit for each possible type enumerated in tdata1.
  If the bit is set, then that type is supported by the currently
  selected trigger.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Message-Id: <20220909134215.1843865-6-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 11:23:57 +10:00
Frank Chang 6ea8d3fc40 target/riscv: debug: Restrict the range of tselect value can be written
The value of tselect CSR can be written should be limited within the
range of supported triggers number.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Message-Id: <20220909134215.1843865-5-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 11:23:57 +10:00
Frank Chang 9495c4888a target/riscv: debug: Introduce tdata1, tdata2, and tdata3 CSRs
Replace type2_trigger_t with the real tdata1, tdata2, and tdata3 CSRs,
which allows us to support more types of triggers in the future.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Message-Id: <20220909134215.1843865-4-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 11:23:57 +10:00
Frank Chang 9d5a84db91 target/riscv: debug: Introduce build_tdata1() to build tdata1 register content
Introduce build_tdata1() to build tdata1 register content, which can be
shared among all types of triggers.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
[bmeng: moved RV{32,64}_DATA_MASK definition to this patch]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220909134215.1843865-3-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 11:23:57 +10:00