From 7fe4b48c137714d889ede17ecf721cce9dfcc714 Mon Sep 17 00:00:00 2001
From: Jens Ahrensfeld <jens@jayfield.org>
Date: Mon, 5 Apr 2021 19:44:46 +0000
Subject: [PATCH] - added

git-svn-id: http://moon:8086/svn/mips@147 a8ebac50-d88d-4704-bea3-6648445a41b3
---
 make/mips_boot.mk | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 make/mips_boot.mk

diff --git a/make/mips_boot.mk b/make/mips_boot.mk
new file mode 100644
index 0000000..ab9ff20
--- /dev/null
+++ b/make/mips_boot.mk
@@ -0,0 +1,46 @@
+# environment vaiables read:
+# BOARD = {ml402, denano, sim}
+# TLB = {no, yes}
+# ENDIANESS = {eb, el}
+BOARD ?= ml402
+TLB ?= no
+ENDIANESS ?= eb
+DEBUGGER ?= gdb
+		
+ifeq ($(ENDIANESS),el)
+  ENDIAN_FLAGS=-EL
+else
+  ENDIAN_FLAGS=-EB
+endif
+
+ifeq ($(DEBUGGER),gdb)
+	DBG_FLAGS := -DWITH_DEBUGGER -DWITH_GDB_STUB
+	DBG_OBJ := gdb_stub.o
+endif
+ifeq ($(DEBUGGER),mips)
+	DBG_FLAGS := -DWITH_DEBUGGER
+	DBG_OBJ := mips_dbg.o mips_dis.o
+endif
+			  
+CFLAGS=$(ENDIAN_FLAGS) -Os -ffunction-sections -fdata-sections -I. -I../libsys -msoft-float -march=r3000 -G0 -I../libsys/boards/$(BOARD) -D$(BOARD) $(DBG_FLAGS)
+LFLAGS=$(ENDIAN_FLAGS) -Os -nostartfiles -nodefaultlibs -nostdlib -Wl,--gc-sections -Wl,-M 
+
+ifeq ($(TLB),yes)
+  CFLAGS+=-DSYS_IO_BASE=0xAC000000 -DSDRAM_BASE=0x80000000 -DFLASH_BASE_IO=0xA4000000 -DFLASH_BASE_MEM=0x88000000
+  LFLAGS+=-T bootloader_tlb.ld
+else
+  CFLAGS+=-DSYS_IO_BASE=0xA0000000 -DSDRAM_BASE=0x40000000 -DFLASH_BASE_IO=0xA4000000 -DFLASH_BASE_MEM=0x00000000
+  LFLAGS+=-T bootloader.ld
+endif
+
+BUILD_DIR=./build/$(BOARD)/$(ENDIANESS)
+		  
+LIBS=-lc -lgcc
+CFLAGS += -DXCP_SIZE=4096
+		  
+CC=mips-elf-gcc
+LD=mips-elf-gcc
+OBJDUMP=mips-elf-objdump
+OBJCOPY=mips-elf-objcopy
+ROMGEN=romgen
+