This case was written to use hardcoded /tmp directory for temporary
files. Update to use g_file_open_tmp() for a portable implementation.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220925113032.1949844-8-bmeng.cn@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This case was written to use hardcoded /tmp directory for temporary
files. Update to use g_file_open_tmp() for a portable implementation.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220925113032.1949844-7-bmeng.cn@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This case was written to use hardcoded /tmp directory for temporary
files. Update to use g_file_open_tmp() for a portable implementation.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220925113032.1949844-6-bmeng.cn@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Previously request_{bios, pflash} cases were skipped on win32, mainly
due to create_blob_file() calling mmap() which does not exist on win32.
This rewirtes create_blob_file() to be portable, so that we can enable
these cases on Windows.
Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220925113032.1949844-2-bmeng.cn@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Make guest os access pci device control 2 reg for passthrough device
as struct XenPTRegInfo described in the file hw/xen/xen_pt.h.
/* reg read only field mask (ON:RO/ROS, OFF:other) */
uint32_t ro_mask;
/* reg emulate field mask (ON:emu, OFF:passthrough) */
uint32_t emu_mask;
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1196
Signed-off-by: Aaron Liu <Aaron.Liu@amd.com>
Signed-off-by: Ruili Ji <ruili.ji@amd.com>
Message-ID: <BL1PR12MB599341DC55BA53FE588DE14E9B7E9@BL1PR12MB5993.namprd12.prod.outlook.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
* Fixup typos and register addresses for Ibex SPI
* Cleanup the RISC-V virt machine documentation
* Remove the sideleg and sedeleg CSR macros
* Fix the CSR check for cycle{h}, instret{h}, time{h}, hpmcounter3-31{h}
* Remove fixed numbering from GDB xml feature files
* Allow setting the resetvec for the OpenTitan machine
* Check the correct exception cause in vector GDB stub
* Fix inheritance of SiFiveEState
* Improvements to the RISC-V debugger spec
* Simplify some vector code
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Merge tag 'pull-riscv-to-apply-20220927' of https://github.com/alistair23/qemu into staging
Second RISC-V PR for QEMU 7.2
* Fixup typos and register addresses for Ibex SPI
* Cleanup the RISC-V virt machine documentation
* Remove the sideleg and sedeleg CSR macros
* Fix the CSR check for cycle{h}, instret{h}, time{h}, hpmcounter3-31{h}
* Remove fixed numbering from GDB xml feature files
* Allow setting the resetvec for the OpenTitan machine
* Check the correct exception cause in vector GDB stub
* Fix inheritance of SiFiveEState
* Improvements to the RISC-V debugger spec
* Simplify some vector code
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# gpg: Signature made Tue 27 Sep 2022 02:30:10 EDT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054
* tag 'pull-riscv-to-apply-20220927' of https://github.com/alistair23/qemu: (22 commits)
target/riscv: rvv-1.0: vf[w]redsum distinguish between ordered/unordered
target/riscv: rvv-1.0: Simplify vfwredsum code
target/riscv: debug: Add initial support of type 6 trigger
target/riscv: debug: Check VU/VS modes for type 2 trigger
target/riscv: debug: Create common trigger actions function
target/riscv: debug: Introduce tinfo CSR
target/riscv: debug: Restrict the range of tselect value can be written
target/riscv: debug: Introduce tdata1, tdata2, and tdata3 CSRs
target/riscv: debug: Introduce build_tdata1() to build tdata1 register content
target/riscv: debug: Determine the trigger type from tdata1.type
hw/riscv/sifive_e: Fix inheritance of SiFiveEState
target/riscv: Check the correct exception cause in vector GDB stub
hw/riscv: opentitan: Expose the resetvec as a SoC property
hw/riscv: opentitan: Fixup resetvec
target/riscv: Set the CPU resetvec directly
target/riscv: remove fixed numbering from GDB xml feature files
target/riscv: remove fflags, frm, and fcsr from riscv-*-fpu.xml
target/riscv: fix csr check for cycle{h}, instret{h}, time{h}, hpmcounter3-31{h}
target/riscv: Remove sideleg and sedeleg
docs/system: clean up code escape for riscv virt platform
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Do not allow syscall arguments to be interleaved between threads.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220829021006.67305-8-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Use a table for the names; print unknown values in hex,
since the value contains flags.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220829021006.67305-7-richard.henderson@linaro.org>
[lv: update print_futex() according to
"linux-user: Show timespec on strace for futex()"]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The val argument to FUTEX_FD is a signal number. Convert to match
the host, as it will be converted back when the signal is delivered.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220829021006.67305-5-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Leave only the argument adjustments within the shift,
and sink the actual syscall to the end. Sink the
timespec conversion as well, as there will be more users.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220829021006.67305-3-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Pass a boolean to select between time32 and time64.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220829021006.67305-2-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Match most appropriate base platform string based on insn_flags.
Logic is aligned with aligned with set_isa() from
arch/mips/kernel/cpu-probe.c in Linux kernel.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220803103009.95972-3-jiaxun.yang@flygoat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
AT_BASE_PLATFORM is a elf auxiliary vector pointing to a string
to pass some architecture information.
See getauxval(3) man-page.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220803103009.95972-2-jiaxun.yang@flygoat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Linux kernel does this in fpregs_store() and fpregs_load(), so
qemu-user should do this as well.
Found by running valgrind's none/tests/s390x/test_sig.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220817123902.585623-1-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
For handling guest POSIX timers, we currently use an array
g_posix_timers[], whose entries are a host timer_t value, or 0 for
"this slot is unused". When the guest calls the timer_create syscall
we look through the array for a slot containing 0, and use that for
the new timer.
This scheme assumes that host timer_t values can never be zero. This
is unfortunately not a valid assumption -- for some host libc
versions, timer_t values are simply indexes starting at 0. When
using this kind of host libc, the effect is that the first and second
timers end up sharing a slot, and so when the guest tries to operate
on the first timer it changes the second timer instead.
Rework the timer allocation code, so that:
* the 'slot in use' indication uses a separate array from the
host timer_t array
* we grab the free slot atomically, to avoid races when multiple
threads call timer_create simultaneously
* releasing an allocated slot is abstracted out into a new
free_host_timer_slot() function called in the correct places
This fixes:
* problems on hosts where timer_t 0 is valid
* the FIXME in next_free_host_timer() about locking
* bugs in the error paths in timer_create where we forgot to release
the slot we grabbed, or forgot to free the host timer
Reported-by: Jon Alduan <jon.alduan@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220725110035.1273441-1-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Fixes: 66fb9763af ("basic signal handling")
Fixes: cf8b8bfc50 ("linux-user: add support for rt_tgsigqueueinfo() system call")
Signed-off-by: fanwenjie <fanwj@mail.ustc.edu.cn>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
We don't emulate a preemptive kernel on this level, and the hppa architecture
doesn't allow context switches on the gateway page. So we always have to return
to sc_iaoq[] and not to gr[31].
This fixes the remaining random segfaults which still occured.
Signed-off-by: Helge Deller <deller@gmx.de>
Message-Id: <20220924114501.21767-8-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The hppa platform uses an upwards-growing stack and required in Linux
kernels < 5.18 an executable stack for signal processing. For that some
executables and libraries are marked to have an executable stack, for
which glibc uses the mprotect() syscall to mark the stack like this:
mprotect(xfa000000,4096,PROT_EXEC|PROT_READ|PROT_WRITE|PROT_GROWSUP).
Currently qemu will return -TARGET_EINVAL for this syscall because of the
checks in validate_prot_to_pageflags(), which doesn't allow the
PROT_GROWSUP or PROT_GROWSDOWN flags and thus triggers this error in the
guest:
error while loading shared libraries: libc.so.6: cannot enable executable stack as shared object requires: Invalid argument
Allow mprotect() to handle both flags and thus fix the guest.
The glibc tst-execstack testcase can be used to reproduce the issue.
Signed-off-by: Helge Deller <deller@gmx.de>
Message-Id: <20220924114501.21767-7-deller@gmx.de>
[lvivier: s/elif TARGET_HPPA/elif defined(TARGET_HPPA)/]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Just use using the compiler binary, with -nostdlib in the case of the
linker; the compiler driver (whether i686-*-gcc, or x86_64-*-gcc with
the -m32 option) will then pick the right magic option to as and ld.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
df22fbb751 ("qboot: update to latest submodule") updated the qboot
submodule from a5300c49 to 8ca302e8. However, qboot isn't built during
the QEMU's build process but rather is included in binary form. So
rebuild it here.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
[Rebuilt it myself for paranoia. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This reverts 3824e25db1 ("x86: disable rng seeding via setup_data"), but
for 7.2 rather than 7.1, now that modifying setup_data is safe to do.
Cc: Laurent Vivier <laurent@vivier.eu>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-Id: <20220921093134.2936487-4-Jason@zx2c4.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Since this is read from fw_cfg on each boot, the kernel zeroing it out
alone is insufficient to prevent it from being used twice. And indeed on
reboot we always want a new seed, not the old one. So re-fill it in this
circumstance.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-Id: <20220921093134.2936487-3-Jason@zx2c4.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The preferred style is SetupData as a typedef, not setup_data as a plain
struct.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-Id: <20220921093134.2936487-2-Jason@zx2c4.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If setup_data is being read into a specific memory location, then
generally the setup_data address parameter is read first, so that the
caller knows where to read it into. In that case, we should return
setup_data containing the absolute addresses that are hard coded and
determined a priori. This is the case when kernels are loaded by BIOS,
for example. In contrast, when setup_data is read as a file, then we
shouldn't modify setup_data, since the absolute address will be wrong by
definition. This is the case when OVMF loads the image.
This allows setup_data to be used like normal, without crashing when EFI
tries to use it.
(As a small development note, strangely, fw_cfg_add_file_callback() was
exported but fw_cfg_add_bytes_callback() wasn't, so this makes that
consistent.)
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Laurent Vivier <laurent@vivier.eu>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-Id: <20220921093134.2936487-1-Jason@zx2c4.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The hppa target requires a much bigger stack than many other targets,
and the Linux kernel allocates 80 MB by default for it.
This patch increases the guest stack for hppa to 80MB, and prevents
that this default stack size gets reduced by a lower stack limit on the
host.
Since the stack grows upwards on hppa, the stack_limit value marks the
upper boundary of the stack. Fix the output of /proc/self/maps (in the
guest) to show the [stack] marker on the correct memory area.
Signed-off-by: Helge Deller <deller@gmx.de>
Message-Id: <20220924114501.21767-6-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The stack-overflow check when building the "grep" debian package fails
on the debian hppa target. Reason is, that the guard page at the top
of the stack (which is added by qemu) prevents the fault handler in the
grep program to properly detect the stack overflow.
The Linux kernel on a physical machine doesn't install a guard page
either, so drop it and as such fix the build of "grep".
Signed-off-by: Helge Deller <deller@gmx.de>
Message-Id: <20220924114501.21767-5-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
In Linux kernel v5.18 the vDSO for signal trampoline was added.
This code mimiks the bare minimum of this vDSO and thus avoids that the
parisc emulation needs executable stacks.
Signed-off-by: Helge Deller <deller@gmx.de>
Message-Id: <20220924114501.21767-4-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The xtensa platform has a value of 0x10 for PROT_SEM.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220924114501.21767-2-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Add a test that checks madvise(MADV_DONTNEED) behavior with anonymous
and file mappings in order to prevent regressions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220906000839.1672934-6-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This is a follow-up for commit 892a4f6a75 ("linux-user: Add partial
support for MADV_DONTNEED"), which added passthrough for anonymous
mappings. File mappings can be handled in a similar manner.
In order to do that, mark pages, for which mmap() was passed through,
with PAGE_PASSTHROUGH, and then allow madvise() passthrough for these
pages. Drop the explicit PAGE_ANON check, since anonymous mappings are
expected to have PAGE_PASSTHROUGH anyway.
Add PAGE_PASSTHROUGH to PAGE_STICKY in order to keep it on mprotect().
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220725125043.43048-1-iii@linux.ibm.com>
Message-Id: <20220906000839.1672934-5-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The default implementation has several problems: the first argument is
not displayed as a pointer, making it harder to grep; the third
argument is not symbolized; and there are several extra unused
arguments.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220906000839.1672934-4-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
MADV_DONTNEED has a different value on alpha, compared to all the other
architectures. Fix by using TARGET_MADV_DONTNEED instead of
MADV_DONTNEED.
Fixes: 892a4f6a75 ("linux-user: Add partial support for MADV_DONTNEED")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220906000839.1672934-3-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Provide MADV_* definitions using target_mman.h header, similar to what
kernel does. Most architectures use the same values, with the exception
of alpha and hppa.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220906000839.1672934-2-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
On the parisc architecture the stack grows upwards.
Move the TASK_UNMAPPED_BASE to high memory area as it's done by the
kernel on physical machines.
Signed-off-by: Helge Deller <deller@gmx.de>
Message-Id: <20220918194555.83535-9-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
If the mode parameter of chmod() is zero, this value isn't shown
when stracing a program:
chmod("filename",)
This patch fixes it up to show the zero-value as well:
chmod("filename",000)
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: <20220918194555.83535-8-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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>
Enhance the hppa linux-user cpu_loop() to show more debugging info
on hard errors.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220918194555.83535-6-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Enhance the EXCP_DUMP() macro to print out the failing program too.
During debugging it's sometimes hard to track down the actual failing
program if you are e.g. building a whole debian package.
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: <20220918194555.83535-5-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
I noticed those were missing when running the glib2.0 testsuite.
Add the syscalls including the strace output.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220918194555.83535-4-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Allow linux-user to strace the clock_gettime64() syscall.
This syscall is used a lot on 32-bit guest architectures which use newer
glibc versions.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220918194555.83535-3-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Some of the guest signal numbers are currently not converted to
their representative names in the strace output, e.g. SIGVTALRM.
This patch introduces a smart way to generate and keep in sync the
host-to-guest and guest-to-host signal conversion tables for usage in
the qemu signal and strace code. This ensures that any signals
will now show up in both tables.
There is no functional change in this patch - with the exception that yet
missing signal names now show up in the strace code too.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220918194555.83535-2-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
