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Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Simplify the SMBIOS structure parsing code by assuming that all
structure content is fully accessible via pointer dereferences.
In particular, this allows the convoluted find_smbios_structure() and
read_smbios_structure() to be combined into a single function
smbios_structure() that just returns a direct pointer to the SMBIOS
structure, with smbios_string() similarly now returning a direct
pointer to the relevant string.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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The user_to_virt() function is now a straightforward wrapper around
addition, with the addend almost invariably being zero.
Remove this redundant wrapper.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Signed-off-by: Michael Brown <mcb30@ipxe.org>
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When building as a Linux userspace application, iPXE currently
implements its own system calls to the host kernel rather than relying
on the host's C library. The output binary is statically linked and
has no external dependencies.
This matches the general philosophy of other platforms on which iPXE
runs, since there are no external libraries available on either BIOS
or UEFI bare metal. However, it would be useful for the Linux
userspace application to be able to link against host libraries such
as libslirp.
Modify the build process to perform a two-stage link: first picking
out the requested objects in the usual way from blib.a but with
relocations left present, then linking again with a helper object to
create a standard hosted application. The helper object provides the
standard main() entry point and wrappers for the Linux system calls
required by the iPXE Linux drivers and interface code.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Signed-off-by: Michael Brown <mcb30@ipxe.org>
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There exists an smbios userspace library so implementing this is
probably possible, but doesn't seem really important to have in
userspace. Hence provide a dummy implementation returning an error.
Signed-off-by: Piotr Jaroszyński <p.jaroszynski@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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