Issue #3042 has been reported by sucan...@fit.cvut.cz.
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Submit #3042: firmware: endianness support for fw_stub.awk
http://bugs.dragonflybsd.org/issues/3042
* Author: sucan...@fit.cvut.cz
* Status: New
* Priority: Normal
* Assignee:
* Category:
* Target version:
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Hello,
this patch adds an optional parameter to a firmware specification
tuple for the fw_stub.awk script. The argument is a path to the
big-endian version of the firmware. If it is provided by the user, the
first path in the tuple is treated as little-endian, and two calls of
firmware_register() are generated by the script. The calls are
compiled conditionally according to endianness of target machine.
This is needed for the isp driver firmware to be moved from uit16_t C
arrays in header files to .uu files in sys/contrib/dev/isp.
Example of generated C source code:
#if BYTE_ORDER == BIG_ENDIAN
fp = firmware_register("name", _binary_BigEndianFW_start ,
(size_t)(_binary_BigEndianFW_end - _binary_BigEndianFW_start), 1234, NULL);
#else
fp = firmware_register("name", _binary_firmware_start ,
(size_t)(_binary_firmware_end - _binary_firmware_start), 1234, NULL);
#endif
---Files--------------------------------
0001-firmware-endianness-support-for-fw_stub.awk.patch (3.58 KB)
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