Added Rosalina, see details

- see release notes
- ( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)
- (∩ ͡° ͜ʖ ͡°)⊃━☆ﾟ
- ( ͡ᵔ ͜ʖ ͡ᵔ) ♫┌( ͡° ͜ʖ ͡°)┘♪ ♫└( ͡° ͜ʖ ͡°)┐♪

sysmodules/rosalina/include/utils.h

@@ -0,0 +1,59 @@
+/*
+*   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 <3ds/svc.h>
+#include <3ds/result.h>
+#include "csvc.h"
+
+// For accessing physmem uncached (and directly)
+#define PA_PTR(addr)            (void *)((u32)(addr) | 1 << 31)
+
+#ifndef PA_FROM_VA_PTR
+#define PA_FROM_VA_PTR(addr)    PA_PTR(svcConvertVAToPA((const void *)(addr), false))
+#endif
+
+#define REG32(addr)             (*(vu32 *)(PA_PTR(addr)))
+
+static inline u32 makeARMBranch(const void *src, const void *dst, bool link) // the macros for those are ugly and buggy
+{
+    u32 instrBase = link ? 0xEB000000 : 0xEA000000;
+    u32 off = (u32)((const u8 *)dst - ((const u8 *)src + 8)); // the PC is always two instructions ahead of the one being executed
+
+    return instrBase | ((off >> 2) & 0xFFFFFF);
+}
+
+static inline void *decodeARMBranch(const void *src)
+{
+    u32 instr = *(const u32 *)src;
+    s32 off = (instr & 0xFFFFFF) << 2;
+    off = (off << 6) >> 6; // sign extend
+
+    return (void *)((const u8 *)src + 8 + off);
+}
+
+Result OpenProcessByName(const char *name, Handle *h);