x

kernel/entry.S

@@ -1,14 +1,8 @@
-	# qemu -kernel starts at 0x1000. the instructions
-        # there seem to be provided by qemu, as if it
-        # were a ROM. the code at 0x1000 jumps to
-        # 0x80000000, the _start function here,
-        # in machine mode. each CPU starts here.
-.section .data
-.globl stack0
+	# qemu -kernel loads the kernel at 0x80000000
+        # and causes each CPU to jump there.
+        # kernel.ld causes the following code to
+        # be placed at 0x80000000.
 .section .text
-.globl start
-.section .text
-.globl _entry
 _entry:
 	# set up a stack for C.
         # stack0 is declared in start.c,
@@ -22,5 +16,5 @@ _entry:
         add sp, sp, a0
 	# jump to start() in start.c
         call start
-junk:
-        j junk
+spin:
+        j spin