5 files changed, 79 insertions, 0 deletions
diff --git a/sys/Makefile b/sys/Makefile
new file mode 100644
index 0000000..bfac75a
--- /dev/null
+++ b/sys/Makefile
@@ -0,0 +1,15 @@
+CC =
+LD =
+SYS_CFLAGS =
+ARCH =
+
+.PHONY: all
+all: arch
+
+.PHONY: arch
+arch:
+	cd arch/$(ARCH); make CC=$(CC) LD=$(LD) SYS_CFLAGS="$(SYS_CFLAGS)"
+
+.PHONY: clean
+clean:
+	cd arch/$(ARCH); make clean
diff --git a/sys/arch/amd64/Makefile b/sys/arch/amd64/Makefile
new file mode 100644
index 0000000..1090a38
--- /dev/null
+++ b/sys/arch/amd64/Makefile
@@ -0,0 +1,17 @@
+CC =
+LD =
+SYS_CFLAGS =
+ASMFILES = $(shell find . -name "*.S")
+ASMOBJS = $(ASMFILES:.S=.S.o)
+MISC_OFILES = $(shell find ../../ -name "*.o")
+
+.PHONY: all
+all: $(ASMOBJS)
+	$(LD) -Tconf/link.ld $(MISC_OFILES) -o ../../rv7
+
+%.S.o: %.S
+	$(CC) -c $(SYS_CFLAGS) $< -o $@
+
+.PHONY: clean
+clean:
+	rm $(MISC_OFILES)
diff --git a/sys/arch/amd64/boot.S b/sys/arch/amd64/boot.S
new file mode 100644
index 0000000..0d2e0d2
--- /dev/null
+++ b/sys/arch/amd64/boot.S
@@ -0,0 +1,5 @@
+    .globl _start
+_start:
+1:  cli
+    hlt
+    jmp 1b
diff --git a/sys/arch/amd64/conf/link.ld b/sys/arch/amd64/conf/link.ld
new file mode 100644
index 0000000..92222b0
--- /dev/null
+++ b/sys/arch/amd64/conf/link.ld
@@ -0,0 +1,42 @@
+OUTPUT_FORMAT(elf64-x86-64)
+OUTPUT_ARCH(i386:x86-64)
+ENTRY(_start)
+
+PHDRS
+{
+    text          PT_LOAD    FLAGS((1 << 0) | (1 << 2)) ;
+    rodata        PT_LOAD    FLAGS((1 << 2)) ;
+    data          PT_LOAD    FLAGS((1 << 1) | (1 << 2)) ;
+}
+
+SECTIONS
+{
+    . = 0xFFFFFFFF80000000;
+
+    .text : {
+        *(.text .text.*)
+    } :text
+
+    . += CONSTANT(MAXPAGESIZE);
+
+    .rodata : {
+        *(.rodata .rodata.*)
+    } :rodata
+
+    . += CONSTANT(MAXPAGESIZE);
+
+    .data : {
+        *(.data)
+    } :data
+
+    .bss : {
+        *(COMMON)
+        *(.bss .bss.*)
+    } :data
+
+    /DISCARD/ : {
+        *(.eh_frame .eh_frame.*)
+        *(.note .note.*)
+    }
+}
+
diff --git a/sys/rv7 b/sys/rv7
new file mode 100755
index 0000000..e66971a
--- /dev/null
+++ b/sys/rv7