* Some of the preliminary patches for Cortex-A710 support
* i.MX7 and i.MX6UL refactoring
* Implement SRC device for i.MX7
* Catch illegal-exception-return from EL3 with bad NSE/NS
* Use 64-bit offsets for holding time_t differences in RTC devices
* Model correct number of MPU regions for an505, an521, an524 boards
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Merge tag 'pull-target-arm-20230831' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* Some of the preliminary patches for Cortex-A710 support
* i.MX7 and i.MX6UL refactoring
* Implement SRC device for i.MX7
* Catch illegal-exception-return from EL3 with bad NSE/NS
* Use 64-bit offsets for holding time_t differences in RTC devices
* Model correct number of MPU regions for an505, an521, an524 boards
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# gpg: Signature made Thu 31 Aug 2023 06:43:53 EDT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* tag 'pull-target-arm-20230831' of https://git.linaro.org/people/pmaydell/qemu-arm: (24 commits)
hw/arm: Set number of MPU regions correctly for an505, an521, an524
hw/arm/armv7m: Add mpu-ns-regions and mpu-s-regions properties
target/arm: Do all "ARM_FEATURE_X implies Y" checks in post_init
rtc: Use time_t for passing and returning time offsets
hw/rtc/aspeed_rtc: Use 64-bit offset for holding time_t difference
hw/rtc/twl92230: Use int64_t for sec_offset and alm_sec
hw/rtc/m48t59: Use 64-bit arithmetic in set_alarm()
target/arm: Catch illegal-exception-return from EL3 with bad NSE/NS
Add i.MX7 SRC device implementation
Add i.MX7 missing TZ devices and memory regions
Refactor i.MX7 processor code
Add i.MX6UL missing devices.
Refactor i.MX6UL processor code
Remove i.MX7 IOMUX GPR device from i.MX6UL
target/arm: properly document FEAT_CRC32
target/arm: Implement FEAT_HPDS2 as a no-op
target/arm: Suppress FEAT_TRBE (Trace Buffer Extension)
target/arm: Apply access checks to neoverse-v1 special registers
target/arm: Apply access checks to neoverse-n1 special registers
target/arm: Introduce make_ccsidr64
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Where architecturally one ARM_FEATURE_X flag implies another
ARM_FEATURE_Y, we allow the CPU init function to only set X, and then
set Y for it. Currently we do this in two places -- we set a few
flags in arm_cpu_post_init() because we need them to decide which
properties to create on the CPU object, and then we do the rest in
arm_cpu_realizefn(). However, this is fragile, because it's easy to
add a new property and not notice that this means that an X-implies-Y
check now has to move from realize to post-init.
As a specific example, the pmsav7-dregion property is conditional
on ARM_FEATURE_PMSA && ARM_FEATURE_V7, which means it won't appear
on the Cortex-M33 and -M55, because they set ARM_FEATURE_V8 and
rely on V8-implies-V7, which doesn't happen until the realizefn.
Move all of these X-implies-Y checks into a new function, which
we call at the top of arm_cpu_post_init(), so the feature bits
are available at that point.
This does now give us the reverse issue, that if there's a feature
bit which is enabled or disabled by the setting of a property then
then X-implies-Y features that are dependent on that property need to
be in realize, not in this new function. But the only one of those
is the "EL3 implies VBAR" which is already in the right place, so
putting things this way round seems better to me.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230724174335.2150499-2-peter.maydell@linaro.org
The architecture requires (R_TYTWB) that an attempt to return from EL3
when SCR_EL3.{NSE,NS} are {1,0} is an illegal exception return. (This
enforces that the CPU can't ever be executing below EL3 with the
NSE,NS bits indicating an invalid security state.)
We were missing this check; add it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230807150618.101357-1-peter.maydell@linaro.org
This is a mandatory feature for Armv8.1 architectures but we don't
state the feature clearly in our emulation list. Also include
FEAT_CRC32 comment in aarch64_max_tcg_initfn for ease of grepping.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20230824075406.1515566-1-alex.bennee@linaro.org
Cc: qemu-stable@nongnu.org
Message-Id: <20230222110104.3996971-1-alex.bennee@linaro.org>
[PMM: pluralize 'instructions' in docs]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This feature allows the operating system to set TCR_ELx.HWU*
to allow the implementation to use the PBHA bits from the
block and page descriptors for for IMPLEMENTATION DEFINED
purposes. Since QEMU has no need to use these bits, we may
simply ignore them.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Like FEAT_TRF (Self-hosted Trace Extension), suppress tracing
external to the cpu, which is out of scope for QEMU.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
There is only one additional EL1 register modeled, which
also needs to use access_actlr_w.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Access to many of the special registers is enabled or disabled
by ACTLR_EL[23], which we implement as constant 0, which means
that all writes outside EL3 should trap.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Do not hard-code the constants for Neoverse V1.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When the cpu support MTE, but the system does not, reduce cpu
support to user instructions at EL0 instead of completely
disabling MTE. If we encounter a cpu implementation which does
something else, we can revisit this setting.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Support all of the easy GM block sizes.
Use direct memory operations, since the pointers are aligned.
While BS=2 (16 bytes, 1 tag) is a legal setting, that requires
an atomic store of one nibble. This is not difficult, but there
is also no point in supporting it until required.
Note that cortex-a710 sets GM blocksize to match its cacheline
size of 64 bytes. I expect many implementations will also
match the cacheline, which makes 16 bytes very unlikely.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Previously we hard-coded the blocksize with GMID_EL1_BS.
But the value we choose for -cpu max does not match the
value that cortex-a710 uses.
Mirror the way we handle dcz_blocksize.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230811214031.171020-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This value is only 4 bits wide.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230811214031.171020-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Try and make the self reported global hack a little less hackish by
providing a query function instead. As gdb_has_xml was always set if
we negotiated XML we can now use the presence of ->target_xml as the
test instead.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-12-alex.bennee@linaro.org>
Make the conversion between privilege level and QEMU MMU index
consistent, and afterwards switch to MMU indices 11-15.
Signed-off-by: Helge Deller <deller@gmx.de>
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Merge tag 'devel-hppa-priv-cleanup2-pull-request' of https://github.com/hdeller/qemu-hppa into staging
target/hppa: Clean up conversion from/to MMU index and privilege level
Make the conversion between privilege level and QEMU MMU index
consistent, and afterwards switch to MMU indices 11-15.
Signed-off-by: Helge Deller <deller@gmx.de>
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# gpg: Signature made Sun 27 Aug 2023 11:17:40 EDT
# gpg: using EDDSA key BCE9123E1AD29F07C049BBDEF712B510A23A0F5F
# gpg: Good signature from "Helge Deller <deller@gmx.de>" [unknown]
# gpg: aka "Helge Deller <deller@kernel.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: 4544 8228 2CD9 10DB EF3D 25F8 3E5F 3D04 A7A2 4603
# Subkey fingerprint: BCE9 123E 1AD2 9F07 C049 BBDE F712 B510 A23A 0F5F
* tag 'devel-hppa-priv-cleanup2-pull-request' of https://github.com/hdeller/qemu-hppa:
target/hppa: Switch to use MMU indices 11-15
target/hppa: Use privilege helper in hppa_get_physical_address()
target/hppa: Do not use hardcoded value for tlb_flush_*()
target/hppa: Add privilege to MMU index conversion helpers
target/hppa: Add missing PL1 and PL2 privilege levels
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Current QEMU can expose waitpkg to guests when it is available. However,
VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE is still not recognized and
masked by QEMU. This can lead to an unexpected situation when a L1
hypervisor wants to expose waitpkg to a L2 guest. The L1 hypervisor can
assume that VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE exists as waitpkg is
available. The L1 hypervisor then can accidentally expose waitpkg to the
L2 guest. This will cause invalid opcode exception in the L2 guest when
it executes waitpkg related instructions.
This patch adds VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE support, and
sets up dependency between the bit and CPUID_7_0_ECX_WAITPKG. QEMU should
not expose waitpkg feature if VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE is
not available to avoid unexpected invalid opcode exception in L2 guests.
Signed-off-by: Ake Koomsin <ake@igel.co.jp>
Message-ID: <20230807093339.32091-2-ake@igel.co.jp>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The MMU indices 9-15 will use shorter assembler instructions
when run on a x86-64 host. So, switch over to those to get
smaller code and maybe minimally faster emulation.
Signed-off-by: Helge Deller <deller@gmx.de>
Convert hppa_get_physical_address() to use the privilege helper macro.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Avoid using hardcoded values when calling the tlb_flush*() functions.
Instead, define and use HPPA_MMU_FLUSH_MASK (keeping the current
behavior, which doesn't flush the physical address MMU).
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Add two macros which convert privilege level to/from MMU index:
- PRIV_TO_MMU_IDX(priv)
returns the MMU index for the given privilege level
- MMU_IDX_TO_PRIV(mmu_idx)
returns the corresponding privilege level for this MMU index
The introduction of those macros make the code easier to read and
will help to improve performance in follow-up patch.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The hppa CPU has 4 privilege levels (0-3).
Mention the missing PL1 and PL2 levels, although the Linux kernel
uses only 0 (KERNEL) and 3 (USER). Not sure about HP-UX.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230823145542.79633-9-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The setcond + neg + or sequence is a complex method of
performing a conditional move.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The setcond + neg + and sequence is a complex method of
performing a conditional move.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Changes the address type of the guest memory read/write functions from
target_ulong to abi_ptr. (abi_ptr is currently typedef'd to target_ulong
but that will change in a following commit.) This will reduce the
coupling between accel/ and target/.
Note: Function pointers that point to cpu_[st|ld]*() in target/riscv and
target/rx are also updated in this commit.
Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230807155706.9580-6-anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Changes the signature of the target-defined functions for
inserting/removing hvf hw breakpoints. The address and length arguments
are now of vaddr type, which both matches the type used internally in
accel/hvf/hvf-all.c and makes the api target-agnostic.
Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230807155706.9580-5-anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Changes the signature of the target-defined functions for
inserting/removing kvm hw breakpoints. The address and length arguments
are now of vaddr type, which both matches the type used internally in
accel/kvm/kvm-all.c and makes the api target-agnostic.
Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230807155706.9580-4-anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Since GDB 13.1(GDB commit ea3352172), GDB LoongArch changed to use
fcc0-7 instead of fcc register. This commit partially reverts commit
2f149c759 (`target/loongarch: Update gdb_set_fpu() and gdb_get_fpu()`)
to match the behavior of GDB.
Note that it is a breaking change for GDB 13.0 or earlier, but it is
also required for GDB 13.1 or later to work.
Signed-off-by: Jiajie Chen <c@jia.je>
Acked-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230808054315.3391465-1-c@jia.je>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Implement the callback for getting the architecture-dependent CPU
ID, the cpu ID is physical id described in ACPI MADT table, this
will be used for cpu hotplug.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230824005007.2000525-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Add LoongArch32 cpu la132.
Due to lack of public documentation of la132, it is currently a
synthetic LoongArch32 cpu model. Details need to be added in the future.
Signed-off-by: Jiajie Chen <c@jia.je>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230822032724.1353391-10-gaosong@loongson.cn>
Message-Id: <20230822071959.35620-4-philmd@linaro.org>
The default check parmeter is ALL.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20230822032724.1353391-8-gaosong@loongson.cn>
Message-Id: <20230822071959.35620-2-philmd@linaro.org>
In VA32 mode, BL, JIRL and PC* instructions should sign-extend the low
32 bit result to 64 bits.
Signed-off-by: Jiajie Chen <c@jia.je>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230822032724.1353391-7-gaosong@loongson.cn>
Message-Id: <20230822071959.35620-1-philmd@linaro.org>
When running in VA32 mode(!LA64 or VA32L[1-3] matching PLV), virtual
address is truncated to 32 bits before address mapping.
Signed-off-by: Jiajie Chen <c@jia.je>
Co-authored-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230822032724.1353391-6-gaosong@loongson.cn>
Message-Id: <20230822071405.35386-10-philmd@linaro.org>
