Merge remote-tracking branch 'Kernel/master'

Kernel/arch/aarch64/bootstrap/boot.S

@@ -0,0 +1,36 @@
+/* Based on this tutorial:
+   https://github.com/s-matyukevich/raspberry-pi-os */
+
+.section ".text.boot", "a"
+
+.extern _bss_start
+.extern _bss_end
+
+.extern arm64Entry
+memzero:
+	str xzr, [x0], #8
+	subs x1, x1, #8
+	b.gt memzero
+	ret
+
+.global _start
+_start:
+	mrs x0, mpidr_el1
+	and x0, x0, #0xFF
+	cbz x0, _start2
+	b CPU_Loop
+
+_start2:
+	adr x0, _bss_start
+	adr x1, _bss_end
+	sub x1, x1, x0
+	bl memzero
+	mov sp, #0x200000
+	bl arm64Entry
+
+Halt:
+	wfe
+	b Halt
+
+CPU_Loop:
+	b CPU_Loop