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Max Filippov d6d5f19e21 xtensa: abstract 'entry' and 'retw' in assembly code 
Provide abi_entry, abi_entry_default, abi_ret and abi_ret_default macros
that allocate aligned stack frame in windowed and call0 ABIs.
Provide XTENSA_SPILL_STACK_RESERVE macro that specifies required stack
frame size when register spilling is involved.
Replace all uses of 'entry' and 'retw' with the above macros.
This makes most of the xtensa assembly code ready for XEA3 and call0 ABI.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-07-08 10:04:48 -07:00
..
checksum.S xtensa: abstract 'entry' and 'retw' in assembly code 2019-07-08 10:04:48 -07:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
memcopy.S xtensa: abstract 'entry' and 'retw' in assembly code 2019-07-08 10:04:48 -07:00
memset.S xtensa: abstract 'entry' and 'retw' in assembly code 2019-07-08 10:04:48 -07:00
pci-auto.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
strncpy_user.S xtensa: abstract 'entry' and 'retw' in assembly code 2019-07-08 10:04:48 -07:00
strnlen_user.S xtensa: abstract 'entry' and 'retw' in assembly code 2019-07-08 10:04:48 -07:00
usercopy.S xtensa: abstract 'entry' and 'retw' in assembly code 2019-07-08 10:04:48 -07:00