Move the kext outside Rosalina

- Stability (tm)
- Boots 1s faster on N3DS
- (∩ ͡° ͜ʖ ͡°)⊃━☆ﾟ

k11_extension/include/synchronization.h

@@ -0,0 +1,61 @@
+/*
+*   This file is part of Luma3DS
+*   Copyright (C) 2016-2017 Aurora Wright, TuxSH
+*
+*   This program is free software: you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License as published by
+*   the Free Software Foundation, either version 3 of the License, or
+*   (at your option) any later version.
+*
+*   This program is distributed in the hope that 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/>.
+*
+*   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
+*       * Requiring preservation of specified reasonable legal notices or
+*         author attributions in that material or in the Appropriate Legal
+*         Notices displayed by works containing it.
+*       * Prohibiting misrepresentation of the origin of that material,
+*         or requiring that modified versions of such material be marked in
+*         reasonable ways as different from the original version.
+*/
+
+#pragma once
+
+#include "types.h"
+#include "kernel.h"
+
+typedef KSchedulableInterruptEvent* (*SGI0Handler_t)(KBaseInterruptEvent *this, u32 interruptID);
+
+// http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0360f/CCHDIFIJ.html
+void executeFunctionOnCores(SGI0Handler_t func, u8 targetList, u8 targetListFilter);
+
+// Taken from ctrulib:
+
+static inline void __dsb(void)
+{
+	__asm__ __volatile__("mcr p15, 0, %[val], c7, c10, 4" :: [val] "r" (0) : "memory");
+}
+
+static inline void __clrex(void)
+{
+    __asm__ __volatile__("clrex" ::: "memory");
+}
+
+static inline s32 __ldrex(s32* addr)
+{
+    s32 val;
+    __asm__ __volatile__("ldrex %[val], %[addr]" : [val] "=r" (val) : [addr] "Q" (*addr));
+    return val;
+}
+
+static inline bool __strex(s32* addr, s32 val)
+{
+    bool res;
+    __asm__ __volatile__("strex %[res], %[val], %[addr]" : [res] "=&r" (res) : [val] "r" (val), [addr] "Q" (*addr));
+    return res;
+}