Commit Graph

112972 Commits

Author SHA1 Message Date
Richard Henderson
804cd52d3a target/hppa: Adjust priv for B,GATE at runtime
Do not compile in the priv change based on the first translation;
look up the PTE at execution time.  This is required for CF_PCREL,
where a page may be mapped multiple times with different attributes.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:45 +02:00
Richard Henderson
190d7fa572 target/hppa: Drop tlb_entry return from hppa_get_physical_address
The return-by-reference is never used.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
d8bc138125 target/hppa: Implement PSW_X
Use PAGE_WRITE_INV to temporarily enable write permission
on for a given page, driven by PSW_X being set.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
5ae8adbb01 target/hppa: Implement PSW_B
PSW_B causes B,GATE to trap as an illegal instruction, removing our
previous sequential execution test that was merely an approximation.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
d27fe7c3af target/hppa: Manage PSW_X and PSW_B in translator
PSW_X is cleared after every instruction, and only set by RFI.
PSW_B is cleared after every non-branch, or branch not taken,
and only set by taken branches.  We can clear both bits with a
single store, at most once per TB.  Taken branches set PSW_B,
at most once per TB.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
ebc9401a40 target/hppa: Split PSW X and B into their own field
Generally, both of these bits are cleared at the end of each
instruction.  By separating these, we will be able to clear
both with a single insn, instead of 2 or 3.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
d2e22fde14 target/hppa: Improve hppa_cpu_dump_state
Print both raw IAQ_Front and IAQ_Back as well as the GVAs.
Print control registers in system mode.
Print floating point registers if CPU_DUMP_FPU.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
081a0ed188 target/hppa: Do not mask in copy_iaoq_entry
As with loads and stores, code offsets are kept intact until the
full gva is formed.  In qemu, this is in cpu_get_tb_cpu_state.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
9dfcd24349 target/hppa: Store full iaoq_f and page offset of iaoq_b in TB
In preparation for CF_PCREL. store the iaoq_f in 3 parts: high
bits in cs_base, middle bits in pc, and low bits in priv.
For iaoq_b, set a bit for either of space or page differing,
else the page offset.

Install iaq entries before goto_tb. The change to not record
the full direct branch difference in TB means that we have to
store at least iaoq_b before goto_tb.  But since a later change
to enable CF_PCREL will require both iaoq_f and iaoq_b to be
updated before goto_tb, go ahead and update both fields now.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
3c13b0ffe7 linux-user/hppa: Force all code addresses to PRIV_USER
The kernel does this along the return path to user mode.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
a0ea4becca target/hppa: Use delay_excp for conditional trap on overflow
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
269ca0a9cc target/hppa: Use delay_excp for conditional traps
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
806030074b target/hppa: Introduce DisasDelayException
Allow an exception to be emitted at the end of the TranslationBlock,
leaving only the conditional branch inline.  Use it for simple
exception instructions like break, which happen to be nullified.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
e0137378ed target/hppa: Remove cond_free
Now that we do not need to free tcg temporaries, the only
thing cond_free does is reset the condition to never.
Instead, simply write a new condition over the old, which
may be simply cond_make_f() for the never condition.

The do_*_cond functions do the right thing with c or cf == 0,
so there's no need for a special case anymore.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
3692ad21f5 target/hppa: Use TCG_COND_TST* in trans_ftest
Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
f33a22c1a2 target/hppa: Use registerfields.h for FPSR
Define all of the context dependent field definitions.
Use FIELD_EX32 and FIELD_DP32 with named fields instead
of extract32 and deposit32 with raw constants.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
b041ec9d71 target/hppa: Use TCG_COND_TST* in trans_bb_imm
Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
3289ea0e8f target/hppa: Use TCG_COND_TST* in do_unit_addsub
Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
25f97be723 target/hppa: Use TCG_COND_TST* in do_unit_zero_cond
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
fbe65c648d target/hppa: Use TCG_COND_TST* in do_log_cond
We can directly test bits of a 32-bit comparison without
zero or sign-extending an intermediate result.
We can directly test bit 0 for odd/even.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
d6d46be1bf target/hppa: Use TCG_COND_TST* in do_cond
We can directly test bits of a 32-bit comparison without
zero or sign-extending an intermediate result.
We can directly test bit 0 for odd/even.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
4c42fd0d4e target/hppa: Rename cond_make_* helpers
Use 'v' for a variable that needs copying, 't' for a temp that
doesn't need copying, and 'i' for an immediate, and use this
naming for both arguments of the comparison.  So:

   cond_make_tmp -> cond_make_tt
   cond_make_0_tmp -> cond_make_ti
   cond_make_0 -> cond_make_vi
   cond_make -> cond_make_vv

Pass 0 explictly, rather than implicitly in the function name.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:44 +02:00
Richard Henderson
0d89cb7c29 target/hppa: Use displacements in DisasIAQE
This is a first step in enabling CF_PCREL, but for now
we regenerate the absolute address before writeback.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:03:40 +02:00
Richard Henderson
bc921866ce target/hppa: Introduce and use DisasIAQE for branch management
Wrap offset and space together in one structure, ensuring
that they're copied together as required.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 10:01:10 +02:00
Richard Henderson
1874e6c2fd target/hppa: Always make a copy in do_ibranch_priv
This simplifies callers, which might otherwise have
to make another copy.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:58:45 +02:00
Richard Henderson
0bb0202962 target/hppa: Use umax in do_ibranch_priv
Using umax is clearer than the same operation using movcond.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:58:45 +02:00
Richard Henderson
019f41591d target/hppa: Add space argument to do_ibranch
This allows unification of BE, BLR, BV, BVE with a common helper.
Since we can now track space with IAQ_Next, we can now let the
TranslationBlock continue across the delay slot with BE, BVE.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:58:45 +02:00
Richard Henderson
588deeda6e target/hppa: Add space arguments to install_iaq_entries
Move space assighments to a central location.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:58:45 +02:00
Richard Henderson
142faf5fab target/hppa: Add IASQ entries to DisasContext
Add variable to track space changes to IAQ.  So far, no such changes
are introduced, but the new checks vs ctx->iasq_b may eliminate an
unnecessary copy to cpu_iasq_f with e.g. BLR.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:58:45 +02:00
Richard Henderson
dbdccbdf81 target/hppa: Simplify TB end
Minimize the amount of code in hppa_tr_translate_insn advancing the
insn queue for the next insn.  Move the goto_tb path to hppa_tr_tb_stop.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:58:44 +02:00
Richard Henderson
d08ad0e0f0 target/hppa: Skip nullified insns in unconditional dbranch path
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:58:44 +02:00
Richard Henderson
0dcd6640e4 target/hppa: Delay computation of IAQ_Next
We no longer have to allocate a temp and perform an
addition before translation of the rest of the insn.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:58:44 +02:00
Richard Henderson
43541db0c4 target/hppa: Add install_link
Add a common routine for writing the return address.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:58:39 +02:00
Richard Henderson
85e6cda008 target/hppa: Add install_iaq_entries
Instead of two separate cpu_iaoq_entry calls, use one call to update
both IAQ_Front and IAQ_Back.  Simplify with an argument combination
that automatically handles a simple increment from Front to Back.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:13:13 +02:00
Richard Henderson
f9b11bc2e7 target/hppa: Use CF_BP_PAGE instead of cpu_breakpoint_test
The generic tcg driver will have already checked for breakpoints.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:13:01 +02:00
Richard Henderson
d582c1faa3 target/hppa: Allow prior nullification in do_ibranch
Simplify the function by not attempting a conditional move
on the branch destination -- just use nullify_over normally.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:12:22 +02:00
Richard Henderson
2644f80ba5 target/hppa: Pass displacement to do_dbranch
Pass a displacement instead of an absolute value.

In trans_be, remove the user-only do_dbranch case.  The branch we are
attempting to optimize is to the zero page, which is perforce on a
different page than the code currently executing, which means that
we will *not* use a goto_tb.  Use a plain indirect branch instead,
which is what we got out of the attempted direct branch anyway.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:11:18 +02:00
Richard Henderson
4e31e68bb6 target/hppa: Move constant destination check into use_goto_tb
Share this check between gen_goto_tb and hppa_tr_translate_insn.

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:10:35 +02:00
Richard Henderson
19da5d1258 target/hppa: Use hppa_form_gva_psw in hppa_cpu_get_pc
This function is for log_pc(), which needs to produce a
similar result to cpu_get_tb_cpu_state().

Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:10:11 +02:00
Richard Henderson
b61603bfcb target/hppa: Move cpu_get_tb_cpu_state out of line
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-15 09:09:57 +02:00
Richard Henderson
3d48b6b687 * Fix the "tsan-build" CI job on the shared gitlab CI runners
* Bump minimum glib version and use URI code from the newer glib
 * Fix error message from "configure" when C compiler is not working
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Merge tag 'pull-request-2024-05-14' of https://gitlab.com/thuth/qemu into staging

* Fix the "tsan-build" CI job on the shared gitlab CI runners
* Bump minimum glib version and use URI code from the newer glib
* Fix error message from "configure" when C compiler is not working

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# gpg: Signature made Tue 14 May 2024 02:49:10 PM CEST
# 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 <th.huth@posteo.de>" [unknown]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]

* tag 'pull-request-2024-05-14' of https://gitlab.com/thuth/qemu:
  util/uri: Remove the old URI parsing code
  block/ssh: Use URI parsing code from glib
  block/nfs: Use URI parsing code from glib
  block/nbd: Use URI parsing code from glib
  block/gluster: Use URI parsing code from glib
  Remove glib compatibility code that is not required anymore
  Bump minimum glib version to v2.66
  gitlab: use 'setarch -R' to workaround tsan bug
  gitlab: use $MAKE instead of 'make'
  dockerfiles: add 'MAKE' env variable to remaining containers
  configure: Fix error message when C compiler is not working

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-05-14 17:24:04 +02:00
Thomas Huth
da79537e0c util/uri: Remove the old URI parsing code
Now that we switched all consumers of the URI code to use the URI
parsing functions from glib instead, we can remove our internal
URI parsing code since it is not used anymore.

Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20240418101056.302103-14-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-14 12:46:46 +02:00
Thomas Huth
a22a97d805 block/ssh: Use URI parsing code from glib
Since version 2.66, glib has useful URI parsing functions, too.
Use those instead of the QEMU-internal ones to be finally able
to get rid of the latter.

While we're at it, also emit a warning when encountering unknown
parameters in the URI, so that the users have a chance to detect
their typos or other mistakes.

Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Message-ID: <20240418101056.302103-13-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-14 12:46:46 +02:00
Thomas Huth
f8b74fc55d block/nfs: Use URI parsing code from glib
Since version 2.66, glib has useful URI parsing functions, too.
Use those instead of the QEMU-internal ones to be finally able
to get rid of the latter.

While we're at it, slightly rephrase one of the error messages:
Use "Invalid value..." instead of "Illegal value..." since the
latter rather sounds like the users were breaking a law here.

Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20240418101056.302103-12-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-14 12:46:46 +02:00
Thomas Huth
ad97c011dc block/nbd: Use URI parsing code from glib
Since version 2.66, glib has useful URI parsing functions, too.
Use those instead of the QEMU-internal ones to be finally able
to get rid of the latter. The g_uri_get_host() also takes care
of removing the square brackets from IPv6 addresses, so we can
drop that part of the QEMU code now, too.

Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20240418101056.302103-11-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-14 12:46:46 +02:00
Thomas Huth
3413c6628b block/gluster: Use URI parsing code from glib
Since version 2.66, glib has useful URI parsing functions, too.
Use those instead of the QEMU-internal ones to be finally able
to get rid of the latter.

Since g_uri_get_path() returns a const pointer, we also need to
tweak the parameter of parse_volume_options() (where we use the
result of g_uri_get_path() as input).

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20240418101056.302103-10-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-14 12:46:46 +02:00
Thomas Huth
82fe5d08fd Remove glib compatibility code that is not required anymore
Now that we bumped the minimum glib version to 2.66, we can drop
the old code.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240418101056.302103-9-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-14 12:46:39 +02:00
Thomas Huth
0d8caac904 Bump minimum glib version to v2.66
Now that we dropped support for CentOS 8 and Ubuntu 20.04, we can
look into bumping the glib version to a new minimum for further
clean-ups. According to repology.org, available versions are:

 CentOS Stream 9:       2.66.7
 Debian 11:             2.66.8
 Fedora 38:             2.74.1
 Freebsd:               2.78.4
 Homebrew:              2.80.0
 Openbsd:               2.78.4
 OpenSuse leap 15.5:    2.70.5
 pkgsrc_current:        2.78.4
 Ubuntu 22.04:          2.72.1

Thus it should be safe to bump the minimum glib version to 2.66 now.
Version 2.66 comes with new functions for URI parsing which will
allow further clean-ups in the following patches.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240418101056.302103-8-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-14 12:46:24 +02:00
Daniel P. Berrangé
b563959b90 gitlab: use 'setarch -R' to workaround tsan bug
The TSAN job started failing when gitlab rolled out their latest
release. The root cause is a change in the Google COS version used
on shared runners. This brings a kernel running with

 vm.mmap_rnd_bits = 31

which is incompatible with TSAN in LLVM < 18, which only supports
upto '28'. LLVM 18 can support upto '30', and failing that will
re-exec itself to turn off VA randomization.

Our LLVM is too old for now, but we can run with 'setarch -R make ..'
to turn off VA randomization ourselves.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240513111551.488088-4-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-14 12:40:08 +02:00
Daniel P. Berrangé
c53f7a1078 gitlab: use $MAKE instead of 'make'
The lcitool generated containers have '$MAKE' set to the path
of the right 'make' binary. Using the env variable makes it
possible to override the choice per job.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240513111551.488088-3-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-14 12:40:08 +02:00