2015-06-24 20:44:11 +02:00
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################################################################################
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#
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# kvmtool
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#
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################################################################################
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2017-12-07 05:19:56 +01:00
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KVMTOOL_VERSION = f77d646ba01d04be5aad9449ac00719c043fe36e
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2020-05-24 10:57:21 +02:00
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KVMTOOL_SITE = https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git
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2015-06-24 20:44:11 +02:00
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KVMTOOL_SITE_METHOD = git
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KVMTOOL_DEPENDENCIES = \
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$(if $(BR2_PACKAGE_BINUTILS),binutils) \
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$(if $(BR2_PACKAGE_DTC),dtc) \
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$(if $(BR2_PACKAGE_LIBAIO),libaio) \
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$(if $(BR2_PACKAGE_LIBGTK3),libgtk3) \
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$(if $(BR2_PACKAGE_LIBVNCSERVER),libvncserver) \
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$(if $(BR2_PACKAGE_SDL),sdl) \
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$(if $(BR2_PACKAGE_ZLIB),zlib)
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2017-03-30 15:43:32 +02:00
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KVMTOOL_LICENSE = GPL-2.0
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2015-06-24 20:44:11 +02:00
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KVMTOOL_LICENSE_FILES = COPYING
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# Disable -Werror, otherwise musl is not happy
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KVMTOOL_MAKE_OPTS = \
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CROSS_COMPILE="$(TARGET_CROSS)" \
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LDFLAGS="$(TARGET_LDFLAGS) $(KVMTOOL_EXTRA_LDFLAGS)" \
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WERROR=0
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define KVMTOOL_BUILD_CMDS
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core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH
The variable 'KERNEL_ARCH' is actually a normalized version of
'ARCH'/'BR2_ARCH'. For example, 'arcle' and 'arceb' both become 'arc', just
as all powerpc variants become 'powerpc'.
It is presumably called 'KERNEL_ARCH' because the Linux kernel is typically
the first place where support for a new architecture is added, and thus is
the entity that defines the normalized name.
However, the term 'KERNEL_ARCH' can also be interpreted as 'the architecture
used by the kernel', which need not be exactly the same as 'the normalized
name for a certain arch'. In particular, for cases where a 64-bit
architecture is running a 64-bit kernel but 32-bit userspace. Examples
include:
* aarch64 architecture, with aarch64 kernel and 32-bit (ARM) userspace
* x86_64 architecture, with x86_64 kernel and 32-bit (i386) userspace
In such cases, the 'architecture used by the kernel' needs to refer to the
64-bit name (aarch64, x86_64), whereas all userspace applications need to
refer the, potentially normalized, 32-bit name.
This means that there need to be two different variables:
KERNEL_ARCH: the architecture used by the kernel
NORMALIZED_ARCH: the normalized name for the current userspace architecture
At this moment, both will actually have the same content. But a subsequent
patch will add basic support for situations described above, in which
KERNEL_ARCH may become overwritten to the 64-bit architecture, while
NORMALIZED_ARCH needs to remain the same (32-bit) case.
This commit replaces use of KERNEL_ARCH where actually the userspace arch is
needed. Places that use KERNEL_ARCH in combination with building of kernel
modules are not touched.
There may be cases where a package builds both a kernel module as userspace,
in which case it may need to know about both KERNEL_ARCH and
NORMALIZED_ARCH, for the case where they differ. But this is to be fixed on
a per-need basis.
Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Reviewed-by: Romain Naour <romain.naour@gmail.com>
[Arnout: Also rename BR2_KERNEL_ARCH to BR2_NORMALIZED_ARCH]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2022-01-15 21:03:00 +01:00
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$(TARGET_MAKE_ENV) ARCH=$(NORMALIZED_ARCH) $(MAKE) -C $(@D) $(KVMTOOL_MAKE_OPTS)
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2015-06-24 20:44:11 +02:00
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endef
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define KVMTOOL_INSTALL_TARGET_CMDS
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core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH
The variable 'KERNEL_ARCH' is actually a normalized version of
'ARCH'/'BR2_ARCH'. For example, 'arcle' and 'arceb' both become 'arc', just
as all powerpc variants become 'powerpc'.
It is presumably called 'KERNEL_ARCH' because the Linux kernel is typically
the first place where support for a new architecture is added, and thus is
the entity that defines the normalized name.
However, the term 'KERNEL_ARCH' can also be interpreted as 'the architecture
used by the kernel', which need not be exactly the same as 'the normalized
name for a certain arch'. In particular, for cases where a 64-bit
architecture is running a 64-bit kernel but 32-bit userspace. Examples
include:
* aarch64 architecture, with aarch64 kernel and 32-bit (ARM) userspace
* x86_64 architecture, with x86_64 kernel and 32-bit (i386) userspace
In such cases, the 'architecture used by the kernel' needs to refer to the
64-bit name (aarch64, x86_64), whereas all userspace applications need to
refer the, potentially normalized, 32-bit name.
This means that there need to be two different variables:
KERNEL_ARCH: the architecture used by the kernel
NORMALIZED_ARCH: the normalized name for the current userspace architecture
At this moment, both will actually have the same content. But a subsequent
patch will add basic support for situations described above, in which
KERNEL_ARCH may become overwritten to the 64-bit architecture, while
NORMALIZED_ARCH needs to remain the same (32-bit) case.
This commit replaces use of KERNEL_ARCH where actually the userspace arch is
needed. Places that use KERNEL_ARCH in combination with building of kernel
modules are not touched.
There may be cases where a package builds both a kernel module as userspace,
in which case it may need to know about both KERNEL_ARCH and
NORMALIZED_ARCH, for the case where they differ. But this is to be fixed on
a per-need basis.
Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Reviewed-by: Romain Naour <romain.naour@gmail.com>
[Arnout: Also rename BR2_KERNEL_ARCH to BR2_NORMALIZED_ARCH]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2022-01-15 21:03:00 +01:00
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$(TARGET_MAKE_ENV) ARCH=$(NORMALIZED_ARCH) $(MAKE) -C $(@D) \
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2015-06-24 20:44:11 +02:00
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$(KVMTOOL_MAKE_OPTS) install DESTDIR=$(TARGET_DIR) prefix=/usr
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endef
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$(eval $(generic-package))
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