#

# Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.

#

# Permission is hereby granted, free of charge, to any person obtaining a

# copy of this software and associated documentation files (the "Software"),

# to deal in the Software without restriction, including without limitation

# the rights to use, copy, modify, merge, publish, distribute, sublicense,

# and/or sell copies of the Software, and to permit persons to whom the

# Software is furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice (including the next

# paragraph) shall be included in all copies or substantial portions of the

# Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

# DEALINGS IN THE SOFTWARE.

#

#

###############################################################################

#

#  Makefile.inc - rules common to the kernel directory

#

###############################################################################

PWD:sh=pwd

TOP:sh=hg root

MODTYPE=driver

# Hierarchical parent for pkg names in this area

# Note that each driver needs to set the MODULE_PKGTAIL

# value so that it can be appropriately installed in that package

# e.g. i915/drm define this as "MODULE_PKGTAIL = drm"

MODTYPE_PKGHIER		= driver/graphics

MODTYPE_PKGHIER_SET	= yes

# PKGCLASS - Drivers/Display for framebuffers.

MODULE_PKGCLASS		= Drivers/Display

MODULE_PKGCLASS_SET	= yes

# The package that this belongs in - must match the name in pkg/manifests

# This is something that should be a bit more dynamic.

MODULE_PKG		= driver-graphics-drm

# Default module description for packages in this area

MODTYPE_DESC	 = the $(MODULE_NAME) driver

### Include common definitions

include $(TOP)/open-src/common/Makefile.init

#

# Default build types, driver is only 64 bit, and this one is x86 only.

#

BUILD_TYPES_DEFAULT	= $(BUILD_TYPES_SET:yes=$(POUND_SIGN))

# debug isn't working quite right yet

# $(BUILD_TYPES_DEFAULT)	BUILD_TYPES=64 debug

$(BUILD_TYPES_DEFAULT)	BUILD_TYPES=64

# $(BUILD_TYPES_DEFAULT)	BUILD_TYPES=64

$(BUILD_TYPES_DEFAULT)	BUILD_TYPES_SET=yes

# Set comments in ELF binaries to help identify versions/builds

# XXXX - We probably need something here, but not sure what.

# MODTYPE_ADD_BUILD_TARGETS=set-elf-comments

# Define common LDFLAGS

MODTYPE_LDFLAGS	= -zstrip-class=comment  -zstrip-class=exclude

#

# Defines that are specific to kernel drivers

#

# Default build options

USE_DEFAULT_CONFIG_LDFLAGS	= no

USE_DEFAULT_CONFIG_CPPFLAGS	= no

USE_DEFAULT_CONFIG_ENV		= no

#

# Much of the below is the redefinition of defines in the common

# Makefiles.  It was changed here as the environment is sufficiently

# different for kernel modules that it introduced a fair amount of

# changed code.  So it was initially decided to separate the work

# and figure later how to move this into common code (which can be

# accomplished in smaller increments).

#

# Due to the common Makefile's use of DEFAULT_LD_OPTIONS, we clear it here.

#

DEFAULT_LD_OPTIONS	=

#

# Define CONFIG_ENV for kernel modules here.

# Note that _anything_ needed to build these modules must be listed here

# as they are not retained from the common Makefiles.

#

CONFIG_ENV	= CC="$(CC)" CXX="$(CXX)" AR="$(AR)"

CONFIG_ENV	+= LD="$(LD)"

CONFIG_ENV	+= CFLAGS="$(MODTYPE_CFLAGS) $(MODULE_CFLAGS)"

CONFIG_ENV	+= CXXFLAGS="$(MODTYPE_CXXFLAGS) $(MODULE_CXXFLAGS)"

CONFIG_ENV	+= CPPFLAGS="$(DEFAULT_CONFIG_CPPFLAGS) $(MODTYPE_CPPFLAGS) $(MODULE_CPPFLAGS)"

CONFIG_ENV	+= LDFLAGS="$(MODULE_LDFLAGS) $(MODTYPE_LDFLAGS)"

CONFIG_ENV	+= PKG_CONFIG_PATH="$(DEFAULT_PKG_CONFIG_PATH)"

CONFIG_ENV	+= INSTALL="$(INSTALL_SCRIPT)" CPPROG="cp -p"

CONFIG_ENV	+= MAKE="$(MODULE_MAKE)" CONFIG_SHELL="$(CONFIG_SHELL)"

CONFIG_ENV	+= NM="/usr/gnu/bin/nm"

CONFIG_ENV	+= POUND_SIGN="$(POUND_SIGN)"

CONFIG_ENV	+= PROTOMETA="$(PROTOMETA)/$(MODULE_PKG)"

$(LICENSE_FILE_DEFAULT) CONFIG_ENV += LICENSE_FILE="$(LICENSE_FILE)"

###############################################################

# Where to find the common include files

# Search first in kernel/sys

DRM_INCL	= -I$(TOP)/open-src/kernel/sys

# sys/drm should be removed after all includes properly expand to <drm/...>

DRM_INCL	+= -I$(TOP)/open-src/kernel/sys/drm

# Point to the build PROTODIR

DRM_INCL	+= -I$(PROTODIR)/usr/include

DRM_INCL	+= -I$(PROTODIR)/usr/include/drm

###############################################################

# CFLAGS for modules in open-src/kernel

#

# Standard defines needed for this driver on solaris independent of compiler

KDEFINES	= -D_KERNEL -D_ELF64  -D_DDI_STRICT -Dsun -D__sun \

		-D__SVR4 -D_SYSCALL32 -D_SYSCALL32_IMPL -D_ASM_INLINES

# Don't use defines based on MACH.

KDEFINES	+= -U$(MACH) -U__$(MACH)

# Debug flags

KDEFINES_DEBUG	+= -DDEBUG

# Driver features.

###############################################################

# Studio flags

# Note: KFLAGS without a "compiler" extension are common across

# all compilers.

# Use C11

KFLAGS_suncc		+= -std=c11

KFLAGS_suncc		+= -features=extensions

# Create 64bit code

KFLAGS_suncc		+= -m64

# Be verbose

KFLAGS_suncc            += -v

# Use optimizer level 3

KFLAGS_suncc		+= -xO3

# Generate code for the "kernel" model

KFLAGS_suncc            += -xmodel=kernel

# Pass "save_args" to code generator

KFLAGS_suncc            += -Wu,-save_args

# Use STABS for debug tags (or mdb won't be useful).

KFLAGS_suncc            += -xdebugformat=stabs

# Don't use a vector library

KFLAGS_suncc            += -xvector=none

# Don't optimize if it increases size

KFLAGS_suncc		+= -xspace

# Error flags

# Display the tag associated with the error

KFLAGS_suncc		+= -errtags=yes

# Exit on all warnings except specified

# e.g.: KFLAGS_suncc	+= -errwarn=%all,no%E_PTR_TO_VOID_IN_ARITHMETIC

KFLAGS_suncc		+= -errwarn=%all

# Print only tags when displaying warnings

KFLAGS_suncc		+= -errshort=tags

# Errors/Warnings that can be ignored

# e.g.: KFLAGS_suncc	+= -erroff=E_PTR_TO_VOID_IN_ARITHMETIC

KFLAGS_suncc		+= -erroff=E_EMPTY_INITIALIZER

KFLAGS_suncc		+= -erroff=E_ZERO_SIZED_STRUCT_UNION

# Architecture specific flags

# Do not allow float in passed args for kernel modules

KFLAGS_suncc_i386	+= -W2,-xregs=no%float

KFLAGS_suncc_i386	+= -Wu,-xregs=no%float

KFLAGS_suncc_i386	+= -W0,-y-xregs=no%float

# To make sure ctfconvert has STABS/Dwarf data and doesn't

# "globalize"

CTF_FLAGS	= -g

CTF_FLAGS	+= -xglobalize=no

###############################################################

# Add GCC flags here.

#

KFLAGS_gcc	+= -std=gnu11

KFLAGS_gcc	+= -m64

KFLAGS_gcc	+= -FPIC

KFLAGS_gcc	+= -mtune=generic

KFLAGS_gcc	+= -mcmodel=kernel

KFLAGS_gcc	+= -Werror

KFLAGS_gcc	+= -Wfatal-errors

KFLAGS_gcc	+= -gdwarf-2

KFLAGS_gcc	+= -feliminate-unused-debug-symbols

KFLAGS_gcc	+= -gno-strict-dwarf

KFLAGS_gcc	+= -feliminate-dwarf2-dups

###############################################################

INC_PATH	= -I. $(DRM_INCL) -I/usr/include

# Debug, anyone???

PROG_FLAGS	+= $(KDEFINES_$(DEBUG)) $(KFLAGS_$(DEBUG))

# KFLAGS based on compiler

KFLAGS		+= $(KFLAGS_$(MODULE_COMPILER))

#KFLAGS based on compiler and machine

KFLAGS		+= $(KFLAGS_$(MODULE_COMPILER)_$(MACH))

MODTYPE_CPPFLAGS = $(INC_PATH)

MODTYPE_CFLAGS	= $(INC_PATH) $(KDEFINES) $(KFLAGS) $(CTF_FLAGS) $(PROG_FLAGS)

#

# Define the MODTYPE environment

#

MODTYPE_BUILD_ENV	= CFLAGS='$(MODTYPE_CFLAGS)'

MODTYPE_BUILD_ENV	+= CC='$(CC)' LD='$(LD)' LINT='$(LINT)'

### Include common file

include $(TOP)/open-src/common/Makefile.inc