diff --git a/README.md b/README.md
index a168e4f..ae9baa9 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,10 @@ A bare-metal "template"? for the PS2. This essentially builds a replacement BIOS
 
 No EE kernel, or IOP RTOS is loaded in this state. It's up to you to write the code to initalize either side of the system.
 
+# Building
+
+PS2SDK should be enough. (in theory, only ps2toolchain is actually needed, but I don't think there's a really good way to get that on its own)
+
+`make CONFIG=[release|debug]` builds each flavor of the ROM.
+
+There are some linker warnings currently, but they are fine to ignore.
diff --git a/rom/Makefile b/rom/Makefile
index e198fad..770b86a 100644
--- a/rom/Makefile
+++ b/rom/Makefile
@@ -1,5 +1,5 @@
 NAME=ps2rom
-TARGET=ee
+TARGET=iop
 KIND=bin
 
 SELF=$(shell pwd)
@@ -30,10 +30,6 @@ $(BINDIR)/:
 $(OBJDIR)/:
 	mkdir -p $@
 
-# make sure to assemble the primary ROM start routine
-# as MIPS-I, so that we don't get into any issues.
-$(OBJDIR)/rom_start.o: AS += -march=r3000
-
 $(BINDIR)/$(FINALNAME).rom: $(BINDIR)/$(FINALNAME).elf
 	$(OBJCOPY) -O binary $< $@