lib/x86: report result through serial console when no test device

If there are no test devices, we might be running on bare-metal or other
environment, in which port 0xF4, which reports the test res

lib/x86: report result through serial console when no test device

If there are no test devices, we might be running on bare-metal or other
environment, in which port 0xF4, which reports the test result, is not
monitored. In such environments, print also the result of the test to
the serial console.

For realmode: just give a simple indication whether the test passed or
failed in a similar fashion.

This can allow automation tools to figure out the test is done and its
result.

Signed-off-by: Nadav Amit <nadav.amit@gmail.com>
Message-Id: <20210609182945.36849-2-nadav.amit@gmail.com>

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x86: Halt on exit

In some cases, shutdown through the test device and Bochs might fail.
Just hang in a loop that executes halt in such cases. Remove the
__builtin_unreachable() as it is not needed a

x86: Halt on exit

In some cases, shutdown through the test device and Bochs might fail.
Just hang in a loop that executes halt in such cases. Remove the
__builtin_unreachable() as it is not needed anymore.

Signed-off-by: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Merge tag 'for-master' of https://github.com/rhdrjones/kvm-unit-tests into HEAD

arm/arm64 patches ready for master

mark exit() and abort() as non-returning functions

exit() and abort() are functions that never return, and (at least)
GCC has an attribute to flag those functions accordingly. This allows
the compil

mark exit() and abort() as non-returning functions

exit() and abort() are functions that never return, and (at least)
GCC has an attribute to flag those functions accordingly. This allows
the compiler to do further optimizations and to omit various warnings
about uninitialized variables, for instance.
Since the actual "play-dead" function is in (inline) assembly, the
compiler does not recognize its fatal nature, so help it with the
__builtin_unreachable() hint.
Flag the prototypes of our fatal functions accordingly.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>

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x86: io: force carriage return on \n put to serial port

When '\n' (line feed) is put to serial port, put '\r' (carriage return) as
well. This makes the serial port output to look properly (without s

x86: io: force carriage return on \n put to serial port

When '\n' (line feed) is put to serial port, put '\r' (carriage return) as
well. This makes the serial port output to look properly (without stairs) at
real hardware. Also the output looks well at QEMU/KVM and BOCHS emulators.

Signed-off-by: Eugene Korenevsky <ekorenevsky@gmail.com>
Message-Id: <20180721185915.GA21451@vnote>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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x86: io: fix 8250 serial controller initialization

These changes make serial controller working at real hardware and BOCHS:
- Disable interrupts
- Set up LCR, FCR, MCR properly

Signed-off-by: Eugen

x86: io: fix 8250 serial controller initialization

These changes make serial controller working at real hardware and BOCHS:
- Disable interrupts
- Set up LCR, FCR, MCR properly

Signed-off-by: Eugene Korenevsky <ekorenevsky@gmail.com>
Message-Id: <20180721185657.GA21275@vnote>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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vmalloc: convert to alloc_ops

The final step moves the vmalloc and vmap implementation to generic code,
rewriting vmalloc and vfree as an alloc_ops implementation that is
installed by setup_vm.

Thi

vmalloc: convert to alloc_ops

The final step moves the vmalloc and vmap implementation to generic code,
rewriting vmalloc and vfree as an alloc_ops implementation that is
installed by setup_vm.

This way all architectures can benefit from it just by calling setup_vm
and providing the implementation of install_page.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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x86: io: Factor out ioremap()

Cc: Andrew Jones <drjones@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Andr

x86: io: Factor out ioremap()

Cc: Andrew Jones <drjones@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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x86: Introduce lib/x86/asm/io.h

Make x86 consistent with other architectures and put
IO specific defines to lib/x86/asm/io.h

Cc: Andrew Jones <drjones@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>

x86: Introduce lib/x86/asm/io.h

Make x86 consistent with other architectures and put
IO specific defines to lib/x86/asm/io.h

Cc: Andrew Jones <drjones@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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io: only initialize serial port once

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

io.c: add missing #endif

fixed build.

Signed-off-by: Avi Kivity <avi@redhat.com>

Make I/O more friendly to existing QEMU hardware

Use the serial port for printf() and use the Bochs bios exit
port if the testdev port isn't available.

This unconditionally switches to use the seri

Make I/O more friendly to existing QEMU hardware

Use the serial port for printf() and use the Bochs bios exit
port if the testdev port isn't available.

This unconditionally switches to use the serial port but tries
to use the testdev exit port since that lets you pass an exit
status.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

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Initial commit from qemu-kvm.git kvm/test/

Signed-off-by: Avi Kivity <avi@redhat.com>