diff --git a/src/kernel/riscv32/boot.s b/src/kernel/riscv32/boot.s
new file mode 100644
index 0000000..6578eba
--- /dev/null
+++ b/src/kernel/riscv32/boot.s
@@ -0,0 +1,21 @@
+	.equ STACK_SIZE, 8192
+
+	.global _start
+
+_start:
+	csrr t0, mhartid
+	slli t0, t0, 10 			# mhartid << 10
+	la sp, stacks + STACK_SIZE	# set up space for hart stacks
+	add sp, sp, t0				# sp += (mhartid << 10)
+
+	## For now, only run on hart 0
+	csrr a0, mhartid			# pass hart id to kmain
+	bnez a0, .end
+	j kmain
+
+.end:
+    wfi
+    j .end
+
+stacks:
+    .skip STACK_SIZE * 4		# Allocate stack space for each hart