From fa05d20e0a491be3a77f4237777b0c04689a1fa5 Mon Sep 17 00:00:00 2001
From: Extrems <metaradil@gmail.com>
Date: Fri, 24 May 2024 11:36:42 -0400
Subject: [PATCH] Dynamically apply Serial Port 1 feature bit

---
 gc/sdcard/gcsd.h |  6 +++---
 libogc/gcsd.c    | 24 +++++++++++++++++++-----
 2 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/gc/sdcard/gcsd.h b/gc/sdcard/gcsd.h
index 09ddc189..8d6370a0 100644
--- a/gc/sdcard/gcsd.h
+++ b/gc/sdcard/gcsd.h
@@ -39,8 +39,8 @@
 
 #define DEVICE_TYPE_GC_SD	(('G'<<24)|('C'<<16)|('S'<<8)|'D')
 
-extern const DISC_INTERFACE __io_gcsda;
-extern const DISC_INTERFACE __io_gcsdb;
-extern const DISC_INTERFACE __io_gcsd2;
+extern DISC_INTERFACE __io_gcsda;
+extern DISC_INTERFACE __io_gcsdb;
+extern DISC_INTERFACE __io_gcsd2;
 
 #endif
diff --git a/libogc/gcsd.c b/libogc/gcsd.c
index 9de19289..ac28b987 100644
--- a/libogc/gcsd.c
+++ b/libogc/gcsd.c
@@ -124,7 +124,19 @@ static bool __gcsd_shutdown(int n)
 
 static bool __gcsda_startup(void)
 {
-	return __gcsd_startup(0);
+	bool ret;
+
+	ret = __gcsd_startup(0);
+
+	if(sdgecko_getDevice(0) == EXI_DEVICE_0) {
+		__io_gcsda.features |= FEATURE_GAMECUBE_SLOTA;
+		__io_gcsda.features &= ~FEATURE_GAMECUBE_PORT1;
+	} else {
+		__io_gcsda.features |= FEATURE_GAMECUBE_PORT1;
+		__io_gcsda.features &= ~FEATURE_GAMECUBE_SLOTA;
+	}
+
+	return ret;
 }
 
 static bool __gcsda_isInserted(void)
@@ -216,7 +228,7 @@ static bool __gcsd2_shutdown(void)
 	return __gcsd_shutdown(2);
 }
 
-const DISC_INTERFACE __io_gcsda = {
+DISC_INTERFACE __io_gcsda = {
 	DEVICE_TYPE_GC_SD,
 	FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_GAMECUBE_SLOTA,
 	__gcsda_startup,
@@ -226,7 +238,8 @@ const DISC_INTERFACE __io_gcsda = {
 	__gcsda_clearStatus,
 	__gcsda_shutdown
 };
-const DISC_INTERFACE __io_gcsdb = {
+
+DISC_INTERFACE __io_gcsdb = {
 	DEVICE_TYPE_GC_SD,
 	FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_GAMECUBE_SLOTB,
 	__gcsdb_startup,
@@ -236,7 +249,8 @@ const DISC_INTERFACE __io_gcsdb = {
 	__gcsdb_clearStatus,
 	__gcsdb_shutdown
 };
-const DISC_INTERFACE __io_gcsd2 = {
+
+DISC_INTERFACE __io_gcsd2 = {
 	DEVICE_TYPE_GC_SD,
 	FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_GAMECUBE_PORT2,
 	__gcsd2_startup,
@@ -245,4 +259,4 @@ const DISC_INTERFACE __io_gcsd2 = {
 	__gcsd2_writeSectors,
 	__gcsd2_clearStatus,
 	__gcsd2_shutdown
-} ;
+};