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Commit Graph

62 Commits

Author SHA1 Message Date
Ard Biesheuvel
f4f75ad574 efi: efistub: Convert into static library
This patch changes both x86 and arm64 efistub implementations
from #including shared .c files under drivers/firmware/efi to
building shared code as a static library.

The x86 code uses a stub built into the boot executable which
uncompresses the kernel at boot time. In this case, the library is
linked into the decompressor.

In the arm64 case, the stub is part of the kernel proper so the library
is linked into the kernel proper as well.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2014-07-18 21:22:19 +01:00
Mark Rutland
da57a369d3 arm64: Enable TEXT_OFFSET fuzzing
The arm64 Image header contains a text_offset field which bootloaders
are supposed to read to determine the offset (from a 2MB aligned "start
of memory" per booting.txt) at which to load the kernel. The offset is
not well respected by bootloaders at present, and due to the lack of
variation there is little incentive to support it. This is unfortunate
for the sake of future kernels where we may wish to vary the text offset
(even zeroing it).

This patch adds options to arm64 to enable fuzz-testing of text_offset.
CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET forces the text offset to a random
16-byte aligned value value in the range [0..2MB) upon a build of the
kernel. It is recommended that distribution kernels enable randomization
to test bootloaders such that any compliance issues can be fixed early.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Tom Rini <trini@ti.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-07-10 12:36:58 +01:00
Ard Biesheuvel
2c98833a42 arm64/crypto: SHA-1 using ARMv8 Crypto Extensions
This patch adds support for the SHA-1 Secure Hash Algorithm for CPUs that
have support for the SHA-1 part of the ARM v8 Crypto Extensions.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-05-14 10:03:17 -07:00
Will Deacon
a0974e6e21 arm64: big-endian: add big-endian support to top-level arch Makefile
This patch adds big-endian support to the AArch64 top-level Makefile.
This currently just passes the relevant flags to the toolchain and is
predicated on a Kconfig option that will be introduced later on.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-10-25 15:59:31 +01:00
Kyle McMartin
3c01742a8a arm64/Makefile: provide vdso_install target
Provide a vdso_install target in the arm64 Makefile, as other architectures
with a vdso do.

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-06-19 17:54:06 +01:00
Catalin Marinas
63917f0b5b Merge branch 'kvm-arm64/kvm-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into upstream
* 'kvm-arm64/kvm-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms: (33 commits)
  arm64: KVM: document kernel object mappings in HYP
  arm64: KVM: MAINTAINERS update
  arm64: KVM: userspace API documentation
  arm64: KVM: enable initialization of a 32bit vcpu
  arm64: KVM: 32bit guest fault injection
  arm64: KVM: 32bit specific register world switch
  arm64: KVM: CPU specific 32bit coprocessor access
  arm64: KVM: 32bit handling of coprocessor traps
  arm64: KVM: 32bit conditional execution emulation
  arm64: KVM: 32bit GP register access
  arm64: KVM: define 32bit specific registers
  arm64: KVM: Build system integration
  arm64: KVM: PSCI implementation
  arm64: KVM: Plug the arch timer
  ARM: KVM: timer: allow DT matching for ARMv8 cores
  arm64: KVM: Plug the VGIC
  arm64: KVM: Exit handling
  arm64: KVM: HYP mode world switch implementation
  arm64: KVM: hypervisor initialization code
  arm64: KVM: guest one-reg interface
  ...

Conflicts:
	arch/arm64/Makefile
2013-06-12 16:48:38 +01:00
Marc Zyngier
6211753fdf arm64: KVM: Build system integration
Only the Makefile is plugged in. The Kconfig stuff is in a separate
patch to allow for an easier merge process.

Reviewed-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-12 16:42:09 +01:00
Stefano Stabellini
aa42aa1389 arm64/xen: introduce CONFIG_XEN and hypercall.S on ARM64
Introduce CONFIG_XEN and the implementation of hypercall.S (that is
the only ARMv8 specific code in Xen support for ARM).

Compile enlighten.c and grant_table.c from arch/arm.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
2013-06-07 10:39:52 +00:00
Catalin Marinas
58fea354d8 arm64: Fix the dtbs target building
The arch/arm64/Makefile was not passing the right target to the
boot/dts/Makefile.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-12-10 20:24:57 -06:00
Rob Herring
70f915a299 arm64: Add dtbs target for building all the enabled dtb files
Based on Rob Herring's patches for arch/arm, this patch adds a dtbs
target to arch/arm64/boot/Makefile.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-12-03 17:17:21 -06:00
Stephen Warren
da4cbc6d58 arm64: use new common dtc rule
The current rules have the .dtb files build in a different directory
from the .dts files. This patch changes arm64 to use the generic dtb
rule which builds .dtb files in the same directory as the source .dts.

This requires moving parts of arch/arm64/boot/Makefile into newly created
arch/arm64/boot/dts/Makefile, and updating arch/arm64/Makefile to call the
new Makefile.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-12-03 12:48:45 -06:00
Catalin Marinas
8c2c3df31e arm64: Build infrastructure
This patch adds Makefile and Kconfig files required for building an
AArch64 kernel.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-09-17 13:42:21 +01:00