Split from assembly-cheat.

2015-09-06 16:17:39 +02:00
commit c1211ace36
21 changed files with 757 additions and 0 deletions
--- a/31
+++ b/31
@@ -0,0 +1,31 @@
+.POSIX:
+
+-include params.makefile
+
+BITS ?= 32
+IN_EXT ?= .S
+LD ?= ld
+MYAS ?= as
+OBJ_EXT ?= .o
+OUT_EXT ?= .img
+RUN ?= bios_hello_world
+
+INS := $(wildcard *$(IN_EXT))
+OUTS := $(patsubst %$(IN_EXT),%$(OUT_EXT),$(INS))
+
+.PRECIOUS: %$(OBJ_EXT)
+.PHONY: all clean run
+
+all: $(OUTS)
+
+%$(OUT_EXT): %$(OBJ_EXT)
+	$(LD) --oformat binary -o '$@' '$<' -T a.ld #-Ttext 0x7C00
+
+%$(OBJ_EXT): %$(IN_EXT)
+	$(MYAS) -o '$@' '$<'
+
+clean:
+	rm -f *$(OBJ_EXT) *$(OUT_EXT)
+
+run: all
+	qemu-system-i386 '$(RUN)$(OUT_EXT)'