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# uts/sun4u/Makefile.workarounds
#
# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
#pragma ident	"%Z%%M%	%I%	%E% SMI"
#
#
#	This makefile contains workaround defines to be shared
#	by Makefile.sun4u and the sun4u genunix Makefile.
#

# Define the minimum cpu rev this kernel will support
# (min is 0x11 with all workarounds enabled)
WORKAROUND_DEFS = -DSPITFIRE_MINREV_SUPPORTED=0x21

# The following are required to support Spitfire <= 2.0
# WORKAROUND_DEFS += -DSF_ERRATA_23	# call causes illegal-insn

# The following are required to support Spitfire <= 2.1
WORKAROUND_DEFS += -DSF_ERRATA_30	# call causes fp-disabled

# The following are required to support all(?) Blackbirds
WORKAROUND_DEFS += -DBB_ERRATA_1	# writes to TICK_COMPARE fail

# The following is required to support all Spitfires and Blackbirds
WORKAROUND_DEFS += -DSF_ERRATA_32	# need dummy store before ldxa's
					# from ASI_?TLB_*

# The following is required to support all Spitfires and Blackbirds
WORKAROUND_DEFS += -DSF_ERRATA_51	# the IMU gets
					# confused by a membar #Sync
					# in a delay slot

# The following is required to support all Spitfires and Blackbirds
WORKAROUND_DEFS += -DSF_ERRATA_54	# membar sync not good enough
					# before ldxa from ASI_INTR_DISPATCH 

# The following is required to support Spitfires and Blackbirds
WORKAROUND_DEFS += -DSF_ERRATA_57	# VA Hole

# The following is required to support all Spitfires and Blackbirds
WORKAROUND_DEFS += -DSF_V9_TABLE_28	# discrepancy in the Sparc V9 docs
					# on handling of fp underflow/overflow

# Minimum supported Cheetah revision
WORKAROUND_DEFS += -DCHEETAH_MINREV_SUPPORTED=0x30

# Cheetah+ erratum 25
#   Will be fixed in Cheetah++ 1.1
WORKAROUND_DEFS += -DCHEETAHPLUS_ERRATUM_25

# Interrupts not taken during fpops
#   Will not be fixed in Cheetah.
WORKAROUND_DEFS += -DCHEETAH_ERRATUM_109

# PRIV bit setting not held on TO or BERR
#   Will not be fixed in Cheetah.
WORKAROUND_DEFS += -DCHEETAH_ERRATUM_127

# Jalapeno Errata 85
# apply force-full-speed workaround to uni Jalapeno
#   Fixed in Jalapeno 2.4
WORKAROUND_DEFS += -DJALAPENO_ERRATA_85

# The following is required to support all Cheetahs and derivatives
#   Relocate ITLB t16 index 0 locked TTEs to avoid eviction.
#   Will not be fixed.
WORKAROUND_DEFS += -DCHEETAHPLUS_ERRATUM_34