Exo: bpmpfw -> sc7fw, lp0 -> sc7

exosphere/sc7fw/src/start.s

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2018 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+ 
+.section .text.start
+.align 4
+.global _start
+_start:
+    b crt0
+.global _reboot
+    b reboot
+
+.global crt0
+.type crt0, %function
+crt0:
+    @ setup to call sc7_entry_main
+    msr cpsr_cxsf, #0xD3
+    ldr sp, =__stack_top__
+    ldr lr, =reboot
+    b sc7_entry_main
+
+
+.global spinlock_wait
+.type spinlock_wait, %function
+spinlock_wait:
+    subs r0, r0, #1
+    bgt spinlock_wait
+    bx lr