From a9fd90ad6ad724a5730f216a62ad8fdfbee79c98 Mon Sep 17 00:00:00 2001
From: Shaun Inman <shaun@panic.com>
Date: Wed, 15 Feb 2023 09:00:39 -0500
Subject: [PATCH] added mgba to extras

---
 cores/makefile                                |  2 +-
 cores/patches/mgba.patch                      | 31 +++++++++++++++++++
 makefile                                      |  3 +-
 .../EXTRAS/Emus/rg35xx/MGBA.pak/launch.sh     | 14 +++++++++
 .../EXTRAS/Roms/Game Boy Advance (MGBA)/.keep |  0
 .../EXTRAS/Roms/Super Game Boy (MGBA)/.keep   |  0
 6 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 cores/patches/mgba.patch
 create mode 100755 skeleton/EXTRAS/Emus/rg35xx/MGBA.pak/launch.sh
 create mode 100644 skeleton/EXTRAS/Roms/Game Boy Advance (MGBA)/.keep
 create mode 100644 skeleton/EXTRAS/Roms/Super Game Boy (MGBA)/.keep

diff --git a/cores/makefile b/cores/makefile
index d4ad7e1..9d2d075 100644
--- a/cores/makefile
+++ b/cores/makefile
@@ -1,7 +1,7 @@
 # this logic was broken out from picoarch's all-in-one makefile
 
 CORES = fceumm gambatte gpsp pcsx_rearmed picodrive snes9x2005_plus
-CORES+= beetle-vb fake-08 mednafen_supafaust pokemini # extras
+CORES+= beetle-vb fake-08 mednafen_supafaust mgba pokemini # extras
 
 ###############################
 
diff --git a/cores/patches/mgba.patch b/cores/patches/mgba.patch
new file mode 100644
index 0000000..0a9e658
--- /dev/null
+++ b/cores/patches/mgba.patch
@@ -0,0 +1,31 @@
+diff --git forkSrcPrefix/Makefile.libretro forkDstPrefix/Makefile.libretro
+index 108148f4579f4727146e5b8c1e05ef7382654208..4ff34d4c2b5c6031ce4c3256f1b70daba99a583c 100644
+--- forkSrcPrefix/Makefile.libretro
++++ forkDstPrefix/Makefile.libretro
+@@ -417,6 +417,26 @@ else ifeq ($(platform), miyoo)
+    CFLAGS += -fno-common -ftree-vectorize -funswitch-loops
+    DEFINES += -std=c99
+ 
++# RG35XX
++else ifeq ($(platform), rg35xx)
++   TARGET := $(TARGET_NAME)_libretro.so
++   CC = $(CROSS_COMPILE)gcc
++   CXX = $(CROSS_COMPILE)g++
++   AR = $(CROSS_COMPILE)ar
++   SHARED := -shared -Wl,--version-script=link.T
++   fpic := -fPIC
++   PLATFORM_DEFINES += -D_GNU_SOURCE -DHAVE_STRTOF_L -DHAVE_LOCALE
++   CFLAGS += -fomit-frame-pointer -ffast-math
++   CFLAGS += -marm -mtune=cortex-a9 -mfpu=neon-fp16 -mfloat-abi=hard -march=armv7-a
++   CFLAGS += -fno-common -ftree-vectorize -funswitch-loops
++   HAVE_NEON = 1
++   ARCH = arm
++   BUILTIN_GPU = neon
++   CPU_ARCH := arm
++   MMAP_JIT_CACHE = 1
++   HAVE_DYNAREC = 1
++   DEFINES += -std=c99
++
+ # Windows
+ else
+    TARGET := $(TARGET_NAME)_libretro.dll
diff --git a/makefile b/makefile
index f0fd27c..b23bedf 100644
--- a/makefile
+++ b/makefile
@@ -79,9 +79,10 @@ bundle:
 	cp ./cores/output/snes9x2005_plus_libretro.so ./build/SYSTEM/rg35xx/cores
 
 	# extras
+	cp ./cores/output/fake08_libretro.so ./build/EXTRAS/Emus/rg35xx/P8.pak
+	cp ./cores/output/mgba_libretro.so ./build/EXTRAS/Emus/rg35xx/MGBA.pak
 	cp ./cores/output/mednafen_vb_libretro.so ./build/EXTRAS/Emus/rg35xx/VB.pak
 	cp ./cores/output/pokemini_libretro.so ./build/EXTRAS/Emus/rg35xx/PKM.pak
-	cp ./cores/output/fake08_libretro.so ./build/EXTRAS/Emus/rg35xx/P8.pak
 	cp ./other/DinguxCommander/output/DinguxCommander ./build/EXTRAS/Tools/rg35xx/Files.pak
 	cp -R ./other/DinguxCommander/res ./build/EXTRAS/Tools/rg35xx/Files.pak/
 	
diff --git a/skeleton/EXTRAS/Emus/rg35xx/MGBA.pak/launch.sh b/skeleton/EXTRAS/Emus/rg35xx/MGBA.pak/launch.sh
new file mode 100755
index 0000000..eb34ffc
--- /dev/null
+++ b/skeleton/EXTRAS/Emus/rg35xx/MGBA.pak/launch.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+EMU_EXE=mgba
+CORES_PATH=$(dirname "$0")
+
+###############################
+
+EMU_TAG=$(basename "$(dirname "$0")" .pak)
+ROM="$1"
+mkdir -p "$BIOS_PATH/$EMU_TAG"
+mkdir -p "$SAVES_PATH/$EMU_TAG"
+HOME="$USERDATA_PATH"
+cd "$HOME"
+minarch.elf "$CORES_PATH/${EMU_EXE}_libretro.so" "$ROM" DMG &> "$LOGS_PATH/$EMU_TAG.txt"
diff --git a/skeleton/EXTRAS/Roms/Game Boy Advance (MGBA)/.keep b/skeleton/EXTRAS/Roms/Game Boy Advance (MGBA)/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/skeleton/EXTRAS/Roms/Super Game Boy (MGBA)/.keep b/skeleton/EXTRAS/Roms/Super Game Boy (MGBA)/.keep
new file mode 100644
index 0000000..e69de29