From 70939d49a6625d10c64306451cfb1f64557e780e Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Mon, 6 Jun 2022 23:53:38 +0300
Subject: [PATCH] lightrec: try to clean up intergarion, fix -O0

notaz/pcsx_rearmed#251
---
 Makefile                      |  5 ++---
 libpcsxcore/lightrec/mem.h    | 12 ++++++++++++
 libpcsxcore/lightrec/plugin.c |  1 +
 libpcsxcore/lightrec/plugin.h | 24 ++++++++++++++++++++++++
 libpcsxcore/misc.c            | 10 +---------
 libpcsxcore/r3000a.h          |  3 ---
 6 files changed, 40 insertions(+), 15 deletions(-)
 create mode 100644 libpcsxcore/lightrec/plugin.h

diff --git a/Makefile b/Makefile
index 616feeb9..66675ffc 100644
--- a/Makefile
+++ b/Makefile
@@ -47,9 +47,6 @@ ifdef PCNT
 CFLAGS += -DPCNT
 endif
 
-LIGHTREC_CUSTOM_MAP ?= 0
-CFLAGS += -DLIGHTREC_CUSTOM_MAP=$(LIGHTREC_CUSTOM_MAP)
-
 # core
 OBJS += libpcsxcore/cdriso.o libpcsxcore/cdrom.o libpcsxcore/cheat.o libpcsxcore/database.o \
 	libpcsxcore/decode_xa.o libpcsxcore/mdec.o \
@@ -93,6 +90,8 @@ libpcsxcore/psxbios.o: CFLAGS += -Wno-nonnull
 ifeq "$(DYNAREC)" "lightrec"
 CFLAGS += -Ideps/lightning/include -Ideps/lightrec -Iinclude/lightning -Iinclude/lightrec \
 		  -DLIGHTREC -DLIGHTREC_STATIC
+LIGHTREC_CUSTOM_MAP ?= 0
+CFLAGS += -DLIGHTREC_CUSTOM_MAP=$(LIGHTREC_CUSTOM_MAP)
 deps/lightning/lib/%.o: CFLAGS += -DHAVE_MMAP
 ifeq ($(LIGHTREC_CUSTOM_MAP),1)
 LDLIBS += -lrt
diff --git a/libpcsxcore/lightrec/mem.h b/libpcsxcore/lightrec/mem.h
index d747c174..98dbbdeb 100644
--- a/libpcsxcore/lightrec/mem.h
+++ b/libpcsxcore/lightrec/mem.h
@@ -6,6 +6,8 @@
 #ifndef __LIGHTREC_MEM_H__
 #define __LIGHTREC_MEM_H__
 
+#ifdef LIGHTREC
+
 #define CODE_BUFFER_SIZE (8 * 1024 * 1024)
 
 extern void *code_buffer;
@@ -13,4 +15,14 @@ extern void *code_buffer;
 int lightrec_init_mmap(void);
 void lightrec_free_mmap(void);
 
+#else /* if !LIGHTREC */
+
+#define lightrec_init_mmap() -1 /* should not be called */
+#define lightrec_free_mmap()
+
+#undef LIGHTREC_CUSTOM_MAP
+#define LIGHTREC_CUSTOM_MAP 0
+
+#endif
+
 #endif /* __LIGHTREC_MEM_H__ */
diff --git a/libpcsxcore/lightrec/plugin.c b/libpcsxcore/lightrec/plugin.c
index 00d9c558..b347bb63 100644
--- a/libpcsxcore/lightrec/plugin.c
+++ b/libpcsxcore/lightrec/plugin.c
@@ -16,6 +16,7 @@
 #include "../frontend/main.h"
 
 #include "mem.h"
+#include "plugin.h"
 
 #if (defined(__arm__) || defined(__aarch64__)) && !defined(ALLOW_LIGHTREC_ON_ARM)
 #error "Lightrec should not be used on ARM (please specify DYNAREC=ari64 to make)"
diff --git a/libpcsxcore/lightrec/plugin.h b/libpcsxcore/lightrec/plugin.h
new file mode 100644
index 00000000..ac4291a7
--- /dev/null
+++ b/libpcsxcore/lightrec/plugin.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2022 Paul Cercueil <paul@crapouillou.net>
+ */
+
+#ifndef __LIGHTREC_PLUGIN_H__
+#define __LIGHTREC_PLUGIN_H__
+
+#ifdef LIGHTREC
+
+#define drc_is_lightrec() 1
+void lightrec_plugin_prepare_save_state(void);
+void lightrec_plugin_prepare_load_state(void);
+
+#else /* if !LIGHTREC */
+
+#define drc_is_lightrec() 0
+#define lightrec_plugin_prepare_save_state()
+#define lightrec_plugin_prepare_load_state()
+
+#endif
+
+#endif /* __LIGHTREC_PLUGIN_H__ */
+
diff --git a/libpcsxcore/misc.c b/libpcsxcore/misc.c
index 94fac61e..fba1112d 100644
--- a/libpcsxcore/misc.c
+++ b/libpcsxcore/misc.c
@@ -28,6 +28,7 @@
 #include "gpu.h"
 #include "ppf.h"
 #include "database.h"
+#include "lightrec/plugin.h"
 #include <zlib.h>
 
 char CdromId[10] = "";
@@ -603,15 +604,6 @@ static const char PcsxHeader[32] = "STv4 PCSX v" PCSX_VERSION;
 // If you make changes to the savestate version, please increment the value below.
 static const u32 SaveVersion = 0x8b410006;
 
-static int drc_is_lightrec(void)
-{
-#if defined(LIGHTREC)
-	return 1;
-#else
-	return 0;
-#endif
-}
-
 int SaveState(const char *file) {
 	void *f;
 	GPUFreeze_t *gpufP;
diff --git a/libpcsxcore/r3000a.h b/libpcsxcore/r3000a.h
index 0e21f518..2d7ad40d 100644
--- a/libpcsxcore/r3000a.h
+++ b/libpcsxcore/r3000a.h
@@ -204,9 +204,6 @@ extern psxRegisters psxRegs;
 extern u32 event_cycles[PSXINT_COUNT];
 extern u32 next_interupt;
 
-void lightrec_plugin_prepare_save_state(void);
-void lightrec_plugin_prepare_load_state(void);
-
 void new_dyna_before_save(void);
 void new_dyna_after_save(void);
 void new_dyna_freeze(void *f, int mode);
-- 
2.39.2