Index: boot/arch/mips32/src/Makefile.toolchain
===================================================================
--- boot/arch/mips32/src/Makefile.toolchain	(revision 4872160f9c176d257f1757469d1adec8033d95f9)
+++ boot/arch/mips32/src/Makefile.toolchain	(revision c621f4aa64c16cb4d9c2b20dbf5be59c66c25ed3)
@@ -27,5 +27,14 @@
 #
 
+## Toolchain configuration
+#
+
+ifndef CROSS_PREFIX
+	CROSS_PREFIX = /usr/local
+endif
+
 BFD_ARCH = mips
+TARGET = mipsel-linux-gnu
+TOOLCHAIN_DIR = $(CROSS_PREFIX)/mips32/bin
 
 JOBFILE = ../../../../tools/jobfile.py
@@ -39,4 +48,6 @@
 	BFD_NAME = elf32-tradbigmips
 	BFD = ecoff-bigmips
+	TOOLCHAIN_DIR = $(CROSS_PREFIX)/mips32eb/bin
+	TARGET = mips-linux-gnu
 endif
 
@@ -44,4 +55,20 @@
 	BFD_NAME = elf32-tradlittlemips
 	BFD = binary
+endif
+
+ifeq ($(COMPILER),gcc_native)
+	CC = gcc
+	AS = as
+	LD = ld
+	OBJCOPY = objcopy
+	OBJDUMP = objdump
+endif
+
+ifeq ($(COMPILER),gcc_cross)
+	CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc
+	AS = $(TOOLCHAIN_DIR)/$(TARGET)-as
+	LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld
+	OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy
+	OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump
 endif