lib: Use __ASSEMBLER__ instead of __ASSEMBLY__

Convert all non-x86 #ifdefs from __ASSEMBLY__ to __ASSEMBLER__, and remove
all manual __ASSEMBLY__ #defines. __ASSEMBLY_ was inherited blindly from
th

lib: Use __ASSEMBLER__ instead of __ASSEMBLY__

Convert all non-x86 #ifdefs from __ASSEMBLY__ to __ASSEMBLER__, and remove
all manual __ASSEMBLY__ #defines. __ASSEMBLY_ was inherited blindly from
the Linux kernel, and must be manually defined, e.g. through build rules
or with the aforementioned explicit #defines in assembly code.

__ASSEMBLER__ on the other hand is automatically defined by the compiler
when preprocessing assembly, i.e. doesn't require manually #defines for
the code to function correctly.

Ignore x86, as x86 doesn't actually rely on __ASSEMBLY__ at the moment,
and is undergoing a parallel cleanup.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Andrew Jones <andrew.jones@linux.dev>
Message-ID: <20250222014526.2302653-1-seanjc@google.com>
[thuth: Fix three more occurances in libfdt.h and sbi-tests.h]
Signed-off-by: Thomas Huth <thuth@redhat.com>

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Merge branch 'arm/queue' into 'master'

arm/arm64: target-efi prep

This series mostly prepares kvm-unit-tests/arm for targeting EFI
platforms. The actually EFI support will come in another series,
b

Merge branch 'arm/queue' into 'master'

arm/arm64: target-efi prep

This series mostly prepares kvm-unit-tests/arm for targeting EFI
platforms. The actually EFI support will come in another series,
but these patches are good for removing assumptions from our memory
maps and about our PSCI conduit, even if we never merge EFI support.

See merge request kvm-unit-tests/kvm-unit-tests!8

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arm/arm64: mmu: Stop mapping an assumed IO region

By providing a proper ioremap function, we can just rely on devices
calling it for each region they need (as they already do) instead of
mapping a b

arm/arm64: mmu: Stop mapping an assumed IO region

By providing a proper ioremap function, we can just rely on devices
calling it for each region they need (as they already do) instead of
mapping a big assumed I/O range. We don't require the MMU to be
enabled at the time of the ioremap. In that case, we add the mapping
to the identity map anyway. This allows us to call setup_vm after
io_init. Why don't we just call setup_vm before io_init, I hear you
ask? Well, that's because tests like sieve want to start with the MMU
off, later call setup_vm, and all the while have working I/O. Some
unit tests are just really demanding...

While at it, ensure we map the I/O regions with XN (execute never),
as suggested by Alexandru Elisei.

Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Tested-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>

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Merge branch 'arm-pull-11-11-2020' into 'master'

Arm pull 11.11.2020

See merge request kvm-unit-tests/kvm-unit-tests!2

arm64: Add support for configuring the translation granule

Make the translation granule configurable for arm64. arm64 supports
page sizes of 4K, 16K and 64K. By default, arm64 is configured with
64K

arm64: Add support for configuring the translation granule

Make the translation granule configurable for arm64. arm64 supports
page sizes of 4K, 16K and 64K. By default, arm64 is configured with
64K pages. configure has been extended with a new argument:

--page-size=PAGE_SIZE

which allows the user to set the page shift and therefore the page
size for arm64. Using the --page-size for any other architecture
results an error message.

In addition, bump the VA size from 42 to 48 bits. To enable 48 bit
VAs for all translation granules, add support for 4-level and 3-level
page tables. At compile time, we determine how many levels in the page
tables we needed.

Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Tested-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>

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arm/arm64: fix virt_to_phys

Since switching to the vm_memalign() allocator virt_to_phys() hasn't
been returning the correct address, as it was assuming an identity map.

Signed-off-by: Andrew Jones

arm/arm64: fix virt_to_phys

Since switching to the vm_memalign() allocator virt_to_phys() hasn't
been returning the correct address, as it was assuming an identity map.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

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arm/arm64: cleanup alloc.h includes

It used to be necessary for the phys_addr_t typedef, but now
it doesn't make sense in a few places.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-b

arm/arm64: cleanup alloc.h includes

It used to be necessary for the phys_addr_t typedef, but now
it doesn't make sense in a few places.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

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arm: get rid of pud

We do not need four levels of page tables in either 32-bit or 64-bit
ARM, so remove the useless indirection.

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

arm/arm64: code derived from Linux must be GPL not LGPL

Also update copyrights.

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>
[Amend two other "Adapat

arm/arm64: code derived from Linux must be GPL not LGPL

Also update copyrights.

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>
[Amend two other "Adapated" typos as well.]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

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lib: add linux dir for kernel uapi headers

We needed to import some uapi headers, e.g. lib/arm/asm/uapi-psci.h,
and will need some others, e.g. pci_regs.h, in the future. Create a
linux directory fo

lib: add linux dir for kernel uapi headers

We needed to import some uapi headers, e.g. lib/arm/asm/uapi-psci.h,
and will need some others, e.g. pci_regs.h, in the future. Create a
linux directory for them in lib so that they can be included with
the familiar <linux/header.h> reference.

(Note, x86 has been cheating. lib/x86/pci.c already includes
<linux/pci_regs.h>, which it's been getting away with as its include
paths are less strict than arm's, i.e. it *does* look in /usr/include)

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Message-Id: <1453140064-9040-2-git-send-email-drjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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arm64: import some Linux page table API

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

arm64: initial drop

This is the initial drop of the arm64 test framework and a first test
that just checks that setup completed (a selftest). kvm isn't needed
to run this test unless testing with sm

arm64: initial drop

This is the initial drop of the arm64 test framework and a first test
that just checks that setup completed (a selftest). kvm isn't needed
to run this test unless testing with smp > 1.

Try it out with
yum install gcc-aarch64-linux-gnu
./configure --cross-prefix=aarch64-linux-gnu- --arch=arm64
make
QEMU=[qemu with aarch64, mach-virt, and chr-testdev] ./run_tests.sh

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

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