From 9128b4e516438301cfcfa7f400d9a4b46bac73ac Mon Sep 17 00:00:00 2001
From: neonloop
Date: Mon, 16 Jan 2023 23:15:21 +0000
Subject: Adds fake-08 core

Includes resume state patch from shauninman, thanks!
https://github.com/shauninman/picoarch/blob/miniui-miyoomini/patches/fake-08/001-fix-resume-state.patch
---
 patches/fake-08/0001-fix-resume-state.patch | 81 +++++++++++++++++++++++++++++
 patches/fake-08/1000-funkey-s-build.patch   | 17 ++++++
 2 files changed, 98 insertions(+)
 create mode 100644 patches/fake-08/0001-fix-resume-state.patch
 create mode 100644 patches/fake-08/1000-funkey-s-build.patch

(limited to 'patches/fake-08')

diff --git a/patches/fake-08/0001-fix-resume-state.patch b/patches/fake-08/0001-fix-resume-state.patch
new file mode 100644
index 0000000..b3d73bc
--- /dev/null
+++ b/patches/fake-08/0001-fix-resume-state.patch
@@ -0,0 +1,81 @@
+diff --git a/platform/libretro/libretro.cpp b/platform/libretro/libretro.cpp
+index 927ea8d4b8d1658a1d7521fe7e9abcbdede0ba5f..63a43f3f065344cdf45e0b10e5c9c089736695f2 100644
+--- a/platform/libretro/libretro.cpp
++++ b/platform/libretro/libretro.cpp
+@@ -82,6 +82,46 @@ EXPORT void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_
+ EXPORT void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
+ EXPORT void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
+ 
++
++static int frames = 0;
++static int defer_frames = 2;
++static void* deferred_data = NULL;
++static size_t deferred_size = 0;
++
++static void free_deferred_data(void) {
++	if (deferred_size) {
++		if (log_cb) log_cb(RETRO_LOG_INFO, "Freed deferred save state.\n");
++		free(deferred_data);
++		deferred_data = NULL;
++		deferred_size = 0;
++	}
++}
++
++static void defer_unserialize(const void *data, size_t size) {
++	free_deferred_data();
++
++	if (data==NULL || size<=0) return;
++
++	if (log_cb) log_cb(RETRO_LOG_INFO, "Deferred save state load.\n");
++
++	deferred_data = malloc(size);
++	memcpy(deferred_data, data, size);
++	deferred_size = size;
++}
++static void update_deferred(void) {
++	frames += 1;
++
++	if (frames<defer_frames) return;
++
++	if (deferred_size==0) return;
++
++	retro_unserialize(deferred_data, deferred_size);
++
++	if (log_cb) log_cb(RETRO_LOG_INFO, "Loaded deferred save state.\n");
++
++	free_deferred_data();
++}
++
+ EXPORT void retro_init()
+ {
+     retro_log_callback log;
+@@ -132,6 +172,8 @@ EXPORT void retro_deinit()
+     if (log_cb) {
+         log_cb(RETRO_LOG_INFO, "Retro deinit called. tearing down\n");
+     }
++	free_deferred_data();
++	
+     //delete things created in init
+     _vm->CloseCart();
+     _host->oneTimeCleanup();
+@@ -205,6 +247,8 @@ int flip = 0;
+ 
+ EXPORT void retro_run()
+ {
++	if (frames<defer_frames) update_deferred();
++	
+     //TODO: improve this so slower hardware can play 30fps games at full speed
+     if (_vm->getTargetFps() == 60 || frame % 2 == 0)
+     {
+@@ -396,6 +440,11 @@ EXPORT bool retro_serialize(void *data, size_t size)
+ 
+ EXPORT bool retro_unserialize(const void *data, size_t size)
+ {
++	if (frames<defer_frames) {
++		defer_unserialize(data,size);
++		return true;
++	}
++	
+     if (log_cb) {
+         log_cb(RETRO_LOG_INFO, "lua deserialize\n");
+     }
diff --git a/patches/fake-08/1000-funkey-s-build.patch b/patches/fake-08/1000-funkey-s-build.patch
new file mode 100644
index 0000000..e5f5046
--- /dev/null
+++ b/patches/fake-08/1000-funkey-s-build.patch
@@ -0,0 +1,17 @@
+diff --git a/platform/libretro/Makefile b/platform/libretro/Makefile
+index 420f9b7..b247ec0 100644
+--- a/platform/libretro/Makefile
++++ b/platform/libretro/Makefile
+@@ -123,7 +123,11 @@ else ifeq ($(platform), miyoomini)
+    CXXFLAGS += -marm -mtune=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard -march=armv7ve
+    fpic := -fPIC
+    SHARED := -shared -Wl,--version-script=link.T
+-
++else ifeq ($(platform), classic_armv7_a7)
++   TARGET := $(TARGET_NAME)_libretro.so
++   CXXFLAGS += -marm -mtune=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard -march=armv7ve
++   fpic := -fPIC
++   SHARED := -shared -Wl,--version-script=link.T
+ else ifeq ($(platform), gcw0)
+    TARGET := $(TARGET_NAME)_libretro_gcw0.so
+    CC = /opt/gcw0-toolchain/usr/bin/mipsel-linux-gcc
-- 
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