[PATCH v4 02/11] libgloss: mips: Add mipshal.mk

Make using MIPS HAL component easier by including `mipshal.mk`
into source Makefile.

Signed-off-by: Jovan Dmitrović <[email protected]>
---
 libgloss/mips/Makefile.in      |  21 ++++++
 libgloss/mips/rules/mipshal.mk | 127 +++++++++++++++++++++++++++++++++
 2 files changed, 148 insertions(+)
 create mode 100644 libgloss/mips/rules/mipshal.mk

diff --git a/libgloss/mips/Makefile.in b/libgloss/mips/Makefile.in
index 56c58574d..ff88d0e25 100644
--- a/libgloss/mips/Makefile.in
+++ b/libgloss/mips/Makefile.in
@@ -348,6 +348,27 @@ install:
 	@for script in ${SCRIPTS}; do\
 	  $(INSTALL_DATA) ${srcdir}/$${script}.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$${script}.ld; \
 	done
+	mkdir -p $(DESTDIR)$(tooldir)/include/mips
+	@for header in ${srcdir}/include/mips/*.h; do\
+	  $(INSTALL_DATA) $${header} $(DESTDIR)$(tooldir)/include/mips; \
+	done
+	@for file in ${srcdir}/include/mips/*.S; do\
+	  $(INSTALL_DATA) $${file} $(DESTDIR)$(tooldir)/include/mips; \
+	done
+	mkdir -p $(DESTDIR)$(exec_prefix)/share/mips/boot
+	@for file in ${srcdir}/boot/*.[hS] ; do\
+	  $(INSTALL_DATA) $${file} $(DESTDIR)$(exec_prefix)/share/mips/boot/; \
+	done
+	mkdir -p $(DESTDIR)$(exec_prefix)/share/mips/hal
+	@for file in ${srcdir}/hal/*.[hSc]; do\
+	  $(INSTALL_DATA) $${file} $(DESTDIR)$(exec_prefix)/share/mips/hal/; \
+	done
+	mkdir -p $(DESTDIR)$(exec_prefix)/share/mips/uhi
+	@for file in ${srcdir}/uhi/uhi_*.[hSc] ${srcdir}/uhi/yamon_*.[hSc]; do\
+	  $(INSTALL_DATA) $${file} $(DESTDIR)$(exec_prefix)/share/mips/uhi/; \
+	done
+	mkdir -p $(DESTDIR)$(exec_prefix)/share/mips/rules
+	@$(INSTALL_DATA) ${srcdir}/rules/mipshal.mk $(DESTDIR)$(exec_prefix)/share/mips/rules/
 
 info:
 install-info:
diff --git a/libgloss/mips/rules/mipshal.mk b/libgloss/mips/rules/mipshal.mk
new file mode 100644
index 000000000..58abff8ce
--- /dev/null
+++ b/libgloss/mips/rules/mipshal.mk
@@ -0,0 +1,127 @@
+# Copyright 2015, Imagination Technologies Limited and/or its
+#                 affiliated group companies.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+# 3. Neither the name of the copyright holder nor the names of its
+# contributors may be used to endorse or promote products derived from this
+# software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+# Usage:
+#
+# "include mipshal.mk" should be included in the top level makefile of the
+# project seeking to use this file. The variables CC and LD will be defined
+# by this file. The variables CFLAGS and LDFLAGS will be extended by this
+# file.
+#
+# Symbols that are to be overwridden should be defined in the the makefile
+# before "include mipshal.mk" or passed to make on the command line in the
+# form 'make STACK=0x1000' or 'make FLASH_START=0xBFC00000'.
+#
+# Care should be taken to ensure that no pre-existing environment variables
+# collide with the set of variables that this file inspects as unintended
+# results may happen.
+
+# Portable 'lowercase' func.
+lc = $(subst A,a,$(subst B,b,$(subst C,c,$(subst D,d,$(subst E,e,$(subst F,f,$(subst G,g,$(subst H,h,$(subst I,i,$(subst J,j,$(subst K,k,$(subst L,l,$(subst M,m,$(subst N,n,$(subst O,o,$(subst P,p,$(subst Q,q,$(subst R,r,$(subst S,s,$(subst T,t,$(subst U,u,$(subst V,v,$(subst W,w,$(subst X,x,$(subst Y,y,$(subst Z,z,$1))))))))))))))))))))))))))
+
+# Default values for the linker script symbols listed below are
+# defined in the linker script.
+
+# These are linker script symbols that are prefixed with '__"
+priv_symbols = MEMORY_BASE MEMORY_SIZE STACK
+priv_symbols += BEV_OVERRIDE
+priv_symbols += ENABLE_XPA
+priv_symbols += FLUSH_TO_ZERO
+priv_symbols += FLASH_START APP_START FLASH_APP_START
+priv_symbols += ISR_VEC_SPACE ISR_VECTOR_COUNT
+
+comma := ,
+
+# A bit of makefile magic:
+# foreach symbol in overridable ld-symbols :
+#   If symbol has a value, produce a linker argument for that symbol.
+MIPS_HAL_LDFLAGS = $(foreach a,$(priv_symbols),$(if $($a),-Wl$(comma)--defsym$(comma)__$(call lc,$(a))=$($a)))
+
+# Linker scripts for 32 & 64bit and ABI flags.
+LDSCRIPT32 ?= uhi32.ld
+LDSCRIPT64 ?= uhi64_64.ld
+LDSCRIPTN32 ?= uhi64_n32.ld
+
+ifdef ENDIAN
+  ifeq ($(ENDIAN), EL)
+    ENDIANF = -EL
+  else
+    ifeq ($(ENDIAN), EB)
+      ENDIANF = -EB
+    else
+      $(error Endian must be either EL, EB or undefined for default)
+    endif
+  endif
+endif
+
+# Pick the appropiate flags based on $(ABI)
+ifeq ($(ABI), 32)
+  MIPS_TOOLCHAIN ?= mips-mti-elf
+  LDSCRIPT ?= $(LDSCRIPT32)
+else
+  ifeq ($(ABI), 64)
+    MIPS_TOOLCHAIN ?= mips-img-elf
+    LDSCRIPT ?= $(LDSCRIPT64)
+  else
+    ifeq ($(ABI), n32)
+      MIPS_TOOLCHAIN ?= mips-img-elf
+      LDSCRIPT ?= $(LDSCRIPTN32)
+    else
+      $(error ABI must one of 32,64,n32)
+    endif
+  endif
+endif
+
+ifeq ($(ROMABLE),1)
+  MIPS_HAL_LDFLAGS += -T bootcode.ld
+endif
+
+ifdef ELF_ENTRY
+  MIPS_HAL_LDFLAGS += -Wl,--entry,$(ELF_ENTRY)
+endif
+
+ifndef MIPS_ELF_ROOT
+  $(error MIPS_ELF_ROOT must be set to point to toolkit installation root)
+endif
+
+ifeq ($(OS),Windows_NT)
+  CROSS_COMPILE=$(subst \,/,$(MIPS_ELF_ROOT))/bin/$(MIPS_TOOLCHAIN)-
+else
+  CROSS_COMPILE=$(MIPS_ELF_ROOT)/bin/$(MIPS_TOOLCHAIN)-
+endif
+
+CC = $(CROSS_COMPILE)gcc
+CFLAGS += -mabi=$(ABI) $(ENDIANF)
+LD = $(CC)
+LDFLAGS += $(MIPS_HAL_LDFLAGS) -mabi=$(ABI) $(ENDIANF) -T $(LDSCRIPT)
+
+OBJDUMP = $(CROSS_COMPILE)objdump
+OBJCOPY = $(CROSS_COMPILE)objcopy
+READELF = $(CROSS_COMPILE)readelf
+NM = $(CROSS_COMPILE)nm
+STRIP = $(CROSS_COMPILE)strip
-- 
2.34.1