Commit Graph

104827 Commits

Author SHA1 Message Date
Cédric Le Goater
74b2fd6307 ppc/bamboo: Report an error when run with KVM
The 'bamboo' machine was used as a KVM platform in the early days (~2008).
It clearly doesn't support it anymore.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2023-06-25 22:41:30 +02:00
Cédric Le Goater
9df480db3b ppc/prep: Report an error when run with KVM
The 'prep' machine never supported KVM. This piece of code was
probably inherited from another model.

Cc: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2023-06-25 22:41:30 +02:00
Cédric Le Goater
4901a34d26 MAINTAINERS: Add reviewer for XIVE
Fred discusses frequently with the IBM HW designers, he is fluent in
XIVE logic, add him as a reviewer.

Cc: Frédéric Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2023-06-25 22:41:30 +02:00
Cédric Le Goater
58fc20f0e3 MAINTAINERS: Add reviewer for PowerPC TCG CPUs
Nick has great knowledge of the PowerPC CPUs, software and hardware.
Add him as a reviewer on CPU TCG modeling.

Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2023-06-25 22:41:30 +02:00
Cédric Le Goater
602b88ec8a MAINTAINERS: Add reviewers for PowerNV baremetal emulation
Fred and Nick have been hacking baremetal POWER systems (OPAL) for
many years. They use and modify the QEMU models regularly. Add them as
PowerNV reviewers.

Cc: Frédéric Barrat <fbarrat@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2023-06-25 22:41:30 +02:00
Joel Stanley
b08e8a837e ppc/pnv/pci: Clean up error messages
The phb error macros add a newline for you, so remove the second one to
avoid double whitespace.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2023-06-25 22:41:30 +02:00
Nicholas Piggin
981562ed2b target/ppc: gdbstub init spr gdb_id for all CPUs
Make sure each CPU gets its state set up for gdb, not just the ones
before PowerPCCPUClass has had its gdb state set up.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2023-06-25 22:41:30 +02:00
Richard Henderson
79dbd910c9 target/hppa: Fix boot and reboot for SMP machines
Fix some SMP-related boot and reboot issues with HP-UX and Linux by
 correctly initializing the CPU PSW bits, disabling data and instruction
 translations and unhalting the CPU in the qemu hppa_machine_reset()
 function.
 
 To work correctly some fixes are needed in the SeaBIOS-hppa firmware too,
 which is why this series updates it to version 8 which includes those
 fixes and enhancements:
 
 Fixes
 - boot of HP-UX with SMP, and
 - reboot of Linux and HP-UX with SMP
 
 Enhancements:
 - show qemu version in boot menu
 - adds exit menu entry in boot menu to quit emulation
 - allow to trace PCD_CHASSIS codes more specifically
 
 Signed-off-by: Helge Deller <deller@gmx.de>
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Merge tag 'hppa-boot-reboot-fixes-pull-request' of https://github.com/hdeller/qemu-hppa into staging

target/hppa: Fix boot and reboot for SMP machines

Fix some SMP-related boot and reboot issues with HP-UX and Linux by
correctly initializing the CPU PSW bits, disabling data and instruction
translations and unhalting the CPU in the qemu hppa_machine_reset()
function.

To work correctly some fixes are needed in the SeaBIOS-hppa firmware too,
which is why this series updates it to version 8 which includes those
fixes and enhancements:

Fixes
- boot of HP-UX with SMP, and
- reboot of Linux and HP-UX with SMP

Enhancements:
- show qemu version in boot menu
- adds exit menu entry in boot menu to quit emulation
- allow to trace PCD_CHASSIS codes more specifically

Signed-off-by: Helge Deller <deller@gmx.de>

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# gpg: Signature made Sat 24 Jun 2023 01:49:44 PM CEST
# 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 'hppa-boot-reboot-fixes-pull-request' of https://github.com/hdeller/qemu-hppa:
  target/hppa: Update to SeaBIOS-hppa version 8
  target/hppa: Provide qemu version via fw_cfg to firmware
  target/hppa: Fix OS reboot issues

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-25 08:58:49 +02:00
Richard Henderson
fa7dd27bc3 target-arm queue:
* Add (experimental) support for FEAT_RME
  * host-utils: Avoid using __builtin_subcll on buggy versions of Apple Clang
  * target/arm: Restructure has_vfp_d32 test
  * hw/arm/sbsa-ref: add ITS support in SBSA GIC
  * target/arm: Fix sve predicate store, 8 <= VQ <= 15
  * pc-bios/keymaps: Use the official xkb name for Arabic layout, not the legacy synonym
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Merge tag 'pull-target-arm-20230623' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * Add (experimental) support for FEAT_RME
 * host-utils: Avoid using __builtin_subcll on buggy versions of Apple Clang
 * target/arm: Restructure has_vfp_d32 test
 * hw/arm/sbsa-ref: add ITS support in SBSA GIC
 * target/arm: Fix sve predicate store, 8 <= VQ <= 15
 * pc-bios/keymaps: Use the official xkb name for Arabic layout, not the legacy synonym

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# gpg: Signature made Fri 23 Jun 2023 02:30:31 PM CEST
# 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]

* tag 'pull-target-arm-20230623' of https://git.linaro.org/people/pmaydell/qemu-arm: (26 commits)
  pc-bios/keymaps: Use the official xkb name for Arabic layout, not the legacy synonym
  target/arm: Fix sve predicate store, 8 <= VQ <= 15
  hw/arm/sbsa-ref: add ITS support in SBSA GIC
  target/arm: Restructure has_vfp_d32 test
  host-utils: Avoid using __builtin_subcll on buggy versions of Apple Clang
  docs/system/arm: Document FEAT_RME
  target/arm: Add cpu properties for enabling FEAT_RME
  target/arm: Implement the granule protection check
  target/arm: Implement GPC exceptions
  target/arm: Add GPC syndrome
  target/arm: Use get_phys_addr_with_struct for stage2
  target/arm: Move s1_is_el0 into S1Translate
  target/arm: Use get_phys_addr_with_struct in S1_ptw_translate
  target/arm: Handle no-execute for Realm and Root regimes
  target/arm: Handle Block and Page bits for security space
  target/arm: NSTable is RES0 for the RME EL3 regime
  target/arm: Pipe ARMSecuritySpace through ptw.c
  target/arm: Remove __attribute__((nonnull)) from ptw.c
  target/arm: Introduce ARMMMUIdx_Phys_{Realm,Root}
  target/arm: Adjust the order of Phys and Stage2 ARMMMUIdx
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-25 08:58:13 +02:00
Helge Deller
34ec3aea54 target/hppa: Update to SeaBIOS-hppa version 8
Update SeaBIOS-hppa to version 8.

Fixes:
- boot of HP-UX with SMP, and
- reboot of Linux and HP-UX with SMP

Enhancements:
- show qemu version in boot menu
- adds exit menu entry in boot menu to quit emulation
- allow to trace PCD_CHASSIS codes & machine run status

Signed-off-by: Helge Deller <deller@gmx.de>
2023-06-24 13:39:48 +02:00
Helge Deller
069d296669 target/hppa: Provide qemu version via fw_cfg to firmware
Give current QEMU version string to SeaBIOS-hppa via fw_cfg interface so
that the firmware can show the QEMU version in the boot menu info.

Signed-off-by: Helge Deller <deller@gmx.de>
2023-06-24 13:39:48 +02:00
Helge Deller
50ba97e928 target/hppa: Fix OS reboot issues
When the OS triggers a reboot, the reset helper function sends a
qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET) together with an
EXCP_HLT exception to halt the CPUs.

So, at reboot when initializing the CPUs again, make sure to set all
instruction pointers to the firmware entry point, disable any interrupts,
disable data and instruction translations, enable PSW_Q bit  and tell qemu
to unhalt (halted=0) the CPUs again.

This fixes the various reboot issues which were seen when rebooting a
Linux VM, including the case where even the monarch CPU has been virtually
halted from the OS (e.g. via "chcpu -d 0" inside the Linux VM).

Signed-off-by: Helge Deller <deller@gmx.de>
2023-06-24 13:39:48 +02:00
Peter Maydell
497fad3897 pc-bios/keymaps: Use the official xkb name for Arabic layout, not the legacy synonym
The xkb official name for the Arabic keyboard layout is 'ara'.
However xkb has for at least the past 15 years also permitted it to
be named via the legacy synonym 'ar'.  In xkeyboard-config 2.39 this
synoynm was removed, which breaks compilation of QEMU:

FAILED: pc-bios/keymaps/ar
/home/fred/qemu-git/src/qemu/build-full/qemu-keymap -f pc-bios/keymaps/ar -l ar
xkbcommon: ERROR: Couldn't find file "symbols/ar" in include paths
xkbcommon: ERROR: 1 include paths searched:
xkbcommon: ERROR: 	/usr/share/X11/xkb
xkbcommon: ERROR: 3 include paths could not be added:
xkbcommon: ERROR: 	/home/fred/.config/xkb
xkbcommon: ERROR: 	/home/fred/.xkb
xkbcommon: ERROR: 	/etc/xkb
xkbcommon: ERROR: Abandoning symbols file "(unnamed)"
xkbcommon: ERROR: Failed to compile xkb_symbols
xkbcommon: ERROR: Failed to compile keymap

The upstream xkeyboard-config change removing the compat
mapping is:
470ad2cd8f

Make QEMU always ask for the 'ara' xkb layout, which should work on
both older and newer xkeyboard-config.  We leave the QEMU name for
this keyboard layout as 'ar'; it is not the only one where our name
for it deviates from the xkb standard name.

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20230620162024.1132013-1-peter.maydell@linaro.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1709
2023-06-23 11:46:02 +01:00
Richard Henderson
7c347c7333 target/arm: Fix sve predicate store, 8 <= VQ <= 15
Brown bag time: store instead of load results in uninitialized temp.


Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1704
Reported-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620134659.817559-1-richard.henderson@linaro.org
Fixes: e6dd5e782b ("target/arm: Use tcg_gen_qemu_{ld, st}_i128 in gen_sve_{ld, st}r")
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:37:29 +01:00
Shashi Mallela
9fe2b4a289 hw/arm/sbsa-ref: add ITS support in SBSA GIC
Create ITS as part of SBSA platform GIC initialization.

GIC ITS information is in DeviceTree so TF-A can pass it to EDK2.

Bumping platform version to 0.2 as this is important hardware change.

Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Message-id: 20230619170913.517373-2-marcin.juszkiewicz@linaro.org
Co-authored-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:29:38 +01:00
Richard Henderson
4315f7c614 target/arm: Restructure has_vfp_d32 test
One cannot test for feature aa32_simd_r32 without first
testing if AArch32 mode is supported at all.  This leads to

qemu-system-aarch64: ARM CPUs must have both VFP-D32 and Neon or neither

for Apple M1 cpus.

We already have a check for ARMv8-A never setting vfp-d32 true,
so restructure the code so that AArch64 avoids the test entirely.

Reported-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Mads Ynddal <m.ynddal@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230619140216.402530-1-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:26:26 +01:00
Peter Maydell
b0438861ef host-utils: Avoid using __builtin_subcll on buggy versions of Apple Clang
We use __builtin_subcll() to do a 64-bit subtract with borrow-in and
borrow-out when the host compiler supports it.  Unfortunately some
versions of Apple Clang have a bug in their implementation of this
intrinsic which means it returns the wrong value.  The effect is that
a QEMU built with the affected compiler will hang when emulating x86
or m68k float80 division.

The upstream LLVM issue is:
https://github.com/llvm/llvm-project/issues/55253

The commit that introduced the bug apparently never made it into an
upstream LLVM release without the subsequent fix
fffb6e6afd
but unfortunately it did make it into Apple Clang 14.0, as shipped
in Xcode 14.3 (14.2 is reported to be OK). The Apple bug number is
FB12210478.

Add ifdefs to avoid use of __builtin_subcll() on Apple Clang version
14 or greater.  There is not currently a version of Apple Clang which
has the bug fix -- when one appears we should be able to add an upper
bound to the ifdef condition so we can start using the builtin again.
We make the lower bound a conservative "any Apple clang with major
version 14 or greater" because the consequences of incorrectly
disabling the builtin when it would work are pretty small and the
consequences of not disabling it when we should are pretty bad.

Many thanks to those users who both reported this bug and also
did a lot of work in identifying the root cause; in particular
to Daniel Bertalan and osy.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1631
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1659
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Daniel Bertalan <dani@danielbertalan.dev>
Tested-by: Tested-By: Solra Bizna <solra@bizna.name>
Message-id: 20230622130823.1631719-1-peter.maydell@linaro.org
2023-06-23 11:21:43 +01:00
Richard Henderson
57223a4c24 docs/system/arm: Document FEAT_RME
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20230622143046.1578160-1-richard.henderson@linaro.org
[PMM: fixed typo; note experimental status in emulation.rst too]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:21:43 +01:00
Richard Henderson
a834d5474e target/arm: Add cpu properties for enabling FEAT_RME
Add an x-rme cpu property to enable FEAT_RME.
Add an x-l0gptsz property to set GPCCR_EL3.L0GPTSZ,
for testing various possible configurations.

We're not currently completely sure whether FEAT_RME will
be OK to enable purely as a CPU-level property, or if it will
need board co-operation, so we're making these experimental
x- properties, so that the people developing the system
level software for RME can try to start using this and let
us know how it goes. The command line syntax for enabling
this will change in future, without backwards-compatibility.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-21-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:48 +01:00
Richard Henderson
46f38c975f target/arm: Implement the granule protection check
Place the check at the end of get_phys_addr_with_struct,
so that we check all physical results.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-20-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:48 +01:00
Richard Henderson
11b76fda0a target/arm: Implement GPC exceptions
Handle GPC Fault types in arm_deliver_fault, reporting as
either a GPC exception at EL3, or falling through to insn
or data aborts at various exception levels.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:48 +01:00
Richard Henderson
f65a9bc719 target/arm: Add GPC syndrome
The function takes the fields as filled in by
the Arm ARM pseudocode for TakeGPCException.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-18-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:47 +01:00
Richard Henderson
a5c7765202 target/arm: Use get_phys_addr_with_struct for stage2
This fixes a bug in which we failed to initialize
the result attributes properly after the memset.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-17-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:47 +01:00
Richard Henderson
7c19b2d6d9 target/arm: Move s1_is_el0 into S1Translate
Instead of passing this to get_phys_addr_lpae, stash it
in the S1Translate structure.

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>
Message-id: 20230620124418.805717-16-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:47 +01:00
Richard Henderson
fe4a5472cc target/arm: Use get_phys_addr_with_struct in S1_ptw_translate
Do not provide a fast-path for physical addresses,
as those will need to be validated for GPC.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-15-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:47 +01:00
Richard Henderson
4a7d7702cd target/arm: Handle no-execute for Realm and Root regimes
While Root and Realm may read and write data from other spaces,
neither may execute from other pa spaces.

This happens for Stage1 EL3, EL2, EL2&0, and Stage2 EL1&0.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-14-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:46 +01:00
Richard Henderson
2f1ff4e7b9 target/arm: Handle Block and Page bits for security space
With Realm security state, bit 55 of a block or page descriptor during
the stage2 walk becomes the NS bit; during the stage1 walk the bit 5
NS bit is RES0.  With Root security state, bit 11 of the block or page
descriptor during the stage1 walk becomes the NSE bit.

Rather than collecting an NS bit and applying it later, compute the
output pa space from the input pa space and unconditionally assign.
This means that we no longer need to adjust the output space earlier
for the NSTable bit.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-13-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:46 +01:00
Richard Henderson
26d1994594 target/arm: NSTable is RES0 for the RME EL3 regime
Test in_space instead of in_secure so that we don't
switch out of Root space.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:46 +01:00
Richard Henderson
90c6629393 target/arm: Pipe ARMSecuritySpace through ptw.c
Add input and output space members to S1Translate.  Set and adjust
them in S1_ptw_translate, and the various points at which we drop
secure state.  Initialize the space in get_phys_addr; for now leave
get_phys_addr_with_secure considering only secure vs non-secure spaces.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:45 +01:00
Richard Henderson
86a438b462 target/arm: Remove __attribute__((nonnull)) from ptw.c
This was added in 7e98e21c09 as part of a reorg in which
one of the argument had been legally NULL, and this caught
actual instances.  Now that the reorg is complete, this
serves little purpose.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:45 +01:00
Richard Henderson
bb5cc2c860 target/arm: Introduce ARMMMUIdx_Phys_{Realm,Root}
With FEAT_RME, there are four physical address spaces.
For now, just define the symbols, and mention them in
the same spots as the other Phys indexes in ptw.c.

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>
Message-id: 20230620124418.805717-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:45 +01:00
Richard Henderson
d38fa9670d target/arm: Adjust the order of Phys and Stage2 ARMMMUIdx
It will be helpful to have ARMMMUIdx_Phys_* to be in the same
relative order as ARMSecuritySpace enumerators. This requires
the adjustment to the nstable check. While there, check for being
in secure state rather than rely on clearing the low bit making
no change to non-secure state.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:45 +01:00
Richard Henderson
4d6e1c6495 include/exec/memattrs: Add two bits of space to MemTxAttrs
We will need 2 bits to represent ARMSecurityState.

Do not attempt to replace or widen secure, even though it
logically overlaps the new field -- there are uses within
e.g. hw/block/pflash_cfi01.c, which don't know anything
specific about ARM.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:44 +01:00
Richard Henderson
5d28ac0cf7 target/arm: Introduce ARMSecuritySpace
Introduce both the enumeration and functions to retrieve
the current state, and state outside of EL3.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:44 +01:00
Richard Henderson
ef1febe758 target/arm: Add RME cpregs
This includes GPCCR, GPTBR, MFAR, the TLB flush insns PAALL, PAALLOS,
RPALOS, RPAOS, and the cache flush insns CIPAPA and CIGDPAPA.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:44 +01:00
Richard Henderson
87bfbfe7e5 target/arm: SCR_EL3.NS may be RES1
With RME, SEL2 must also be present to support secure state.
The NS bit is RES1 if SEL2 is not present.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:43 +01:00
Richard Henderson
aa3cc42c01 target/arm: Update SCR and HCR for RME
Define the missing SCR and HCR bits, allow SCR_NSE and {SCR,HCR}_GPF
to be set, and invalidate TLBs when NSE changes.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230620124418.805717-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:43 +01:00
Richard Henderson
b9f335c247 target/arm: Add isar_feature_aa64_rme
Add the missing field for ID_AA64PFR0, and the predicate.
Disable it if EL3 is forced off by the board or command-line.

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>
Message-id: 20230620124418.805717-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-06-23 11:15:43 +01:00
Richard Henderson
b455ce4c2f Q800 branch pull request 20230622
Cleanup to introduce support of MacOS Classic
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Merge tag 'q800-for-8.1-pull-request' of https://github.com/vivier/qemu-m68k into staging

Q800 branch pull request 20230622

Cleanup to introduce support of MacOS Classic

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# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [undefined]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [undefined]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'q800-for-8.1-pull-request' of https://github.com/vivier/qemu-m68k: (24 commits)
  mac_via: fix rtc command decoding for the PRAM seconds registers
  mac_via: fix rtc command decoding from PRAM addresses 0x0 to 0xf
  q800: move macfb device to Q800MachineState
  q800: don't access Nubus bus directly from the mac-nubus-bridge device
  q800: move mac-nubus-bridge device to Q800MachineState
  q800: move SWIM device to Q800MachineState
  q800: move ESP device to Q800MachineState
  q800: move escc_orgate device to Q800MachineState
  q800: move ESCC device to Q800MachineState
  q800: move dp8393x device to Q800MachineState
  hw/net/dp8393x.c: move TYPE_DP8393X and dp8393xState into dp8393x.h
  q800: move VIA2 device to Q800MachineState
  q800: move VIA1 device to Q800MachineState
  q800: reimplement mac-io region aliasing using IO memory region
  q800: introduce mac-io container memory region
  q800: move GLUE device to Q800MachineState
  q800-glue.c: switch TypeInfo registration to use DEFINE_TYPES() macro
  q800: move GLUE device into separate q800-glue.c file
  q800: move ROM memory region to Q800MachineState
  q800: move CPU object into Q800MachineState
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-06-22 10:18:32 +02:00
Mark Cave-Ayland
532009054b mac_via: fix rtc command decoding for the PRAM seconds registers
Analysis of the MacOS toolbox ROM code shows that on startup it attempts 2
separate reads of the seconds registers with commands 0x9d...0x91 followed by
0x8d..0x81 without resetting the command to its initial value. The PRAM seconds
value is only accepted when the values of the 2 separate reads match.

From this we conclude that bit 4 of the rtc command is not decoded or we don't
care about its value when reading the PRAM seconds registers. Implement this
decoding change so that both reads return successfully which allows the MacOS
toolbox ROM to correctly set the date/time.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230621085353.113233-25-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:31:18 +02:00
Mark Cave-Ayland
ce47d531c3 mac_via: fix rtc command decoding from PRAM addresses 0x0 to 0xf
A comparison between the rtc command table included in the comment and the code
itself shows that the decoding for PRAM addresses 0x0 to 0xf is being done on
the raw command, and not the shifted version held in value.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230621085353.113233-24-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:30:44 +02:00
Mark Cave-Ayland
7a1f3acb3f q800: move macfb device to Q800MachineState
Also change the instantiation of the macfb device to use object_initialize_child().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230621085353.113233-23-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:30:11 +02:00
Mark Cave-Ayland
464085e8f6 q800: don't access Nubus bus directly from the mac-nubus-bridge device
Instead use the qdev_get_child_bus() function which is intended for this exact
purpose.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230621085353.113233-22-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:29:37 +02:00
Mark Cave-Ayland
36df1c5a63 q800: move mac-nubus-bridge device to Q800MachineState
Also change the instantiation of the mac-nubus-bridge device to use
object_initialize_child() and map the Nubus address space using
memory_region_add_subregion() instead of sysbus_mmio_map().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230621085353.113233-21-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:29:04 +02:00
Mark Cave-Ayland
01f35a4f1c q800: move SWIM device to Q800MachineState
Also change the instantiation of the SWIM device to use object_initialize_child().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230621085353.113233-20-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:28:30 +02:00
Mark Cave-Ayland
e78d17ca7d q800: move ESP device to Q800MachineState
Also change the instantiation of the ESP device to use object_initialize_child().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230621085353.113233-19-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:27:54 +02:00
Mark Cave-Ayland
1a7a3f004c q800: move escc_orgate device to Q800MachineState
Also change the instantiation of the escc_orgate device to use object_initialize_child().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230621085353.113233-18-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:27:21 +02:00
Mark Cave-Ayland
836126c773 q800: move ESCC device to Q800MachineState
Also change the instantiation of the ESCC device to use object_initialize_child().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230621085353.113233-17-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:26:47 +02:00
Mark Cave-Ayland
804ae67ee6 q800: move dp8393x device to Q800MachineState
Also change the instantiation of the dp8393x device to use object_initialize_child().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
CC: Jason Wang <jasowang@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230621085353.113233-16-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:26:13 +02:00
Mark Cave-Ayland
2db48d0364 hw/net/dp8393x.c: move TYPE_DP8393X and dp8393xState into dp8393x.h
This is to enable them to be used outside of dp8393x.c.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
CC: Jason Wang <jasowang@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230621085353.113233-15-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-06-22 09:25:40 +02:00