add libhddboot original code

Co-Authored-By: Liu Woon Yung <ysai187@yahoo.com>

ee/Makefile

@@ -11,7 +11,8 @@ SUBDIRS = startup erl kernel libcglue libpthreadglue rpc debug \
 	packet packet2 draw libgs \
 	libvux font input inputx network iopreboot \
 	mpeg \
-	elf-loader elf-loader-nocolour
+	elf-loader elf-loader-nocolour \
+	hddboot
 
 include $(PS2SDKSRC)/Defs.make
 include $(PS2SDKSRC)/Rules.make

ee/hddboot/Makefile

@@ -0,0 +1,14 @@
+# _____     ___ ____     ___ ____
+#  ____|   |    ____|   |        | |____|
+# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
+#-----------------------------------------------------------------------
+# Copyright 2001-2024, ps2dev - http://www.ps2dev.org
+# Licenced under Academic Free License version 2.0
+# Review ps2sdk README & LICENSE files for further details.
+
+EE_OBJS = hddboot.o erl_support.o
+
+include $(PS2SDKSRC)/Defs.make
+include $(PS2SDKSRC)/ee/Rules.lib.make
+include $(PS2SDKSRC)/ee/Rules.make
+include $(PS2SDKSRC)/ee/Rules.release

ee/hddboot/include/hdd_boot.h

@@ -0,0 +1,9 @@
+#ifndef H_HDDBOOT_INC
+#define H_HDDBOOT_INC
+
+void CheckHDDUpdate(int device, const char *SysExecFolder);
+int GetHddSupportEnabledStatus(void);
+int GetHddUpdateStatus(void);
+void DetermineHDDLoadStatus(void);
+
+#endif

ee/hddboot/src/erl_support.c

@@ -0,0 +1,20 @@
+/*
+# _____     ___ ____     ___ ____
+#  ____|   |    ____|   |        | |____|
+# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
+#-----------------------------------------------------------------------
+# Copyright 2001-2004, ps2dev - http://www.ps2dev.org
+# Licenced under Academic Free License version 2.0
+# Review ps2sdk README & LICENSE files for further details.
+#
+# The erl-tags support
+*/
+
+#include <erl.h>
+
+char * erl_id = "libhddboot";
+char * erl_dependancies[] = {
+    "libkernel",
+    "libc",
+    0
+};

ee/hddboot/src/hddboot.c

@@ -0,0 +1,51 @@
+#include <kernel.h>
+#include <loadfile.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include "HDDSupport.h"
+
+static volatile unsigned int HDDLoadStatArea[4] ALIGNED(16);
+static unsigned char IsHddSupportEnabled=0, HddSupportStatus=0;
+
+void CheckHDDUpdate(int device, const char *SysExecFolder){
+	char CmdStr[34], ModulePath[40];
+
+	sprintf(ModulePath, "mc%u:/%s/dev9.irx", device, SysExecFolder);
+	if(SifLoadModule(ModulePath, 0, NULL)>=0){
+		sprintf(ModulePath, "mc%u:/%s/atad.irx", device, SysExecFolder);
+		if(SifLoadModule(ModulePath, 0, NULL)>=0){
+			strcpy(CmdStr, "-osd");
+			strcpy(&CmdStr[5], "0x00100000");
+			strcpy(&CmdStr[16], "-stat");
+			sprintf(&CmdStr[22], "%p", HDDLoadStatArea);
+			CmdStr[sizeof(CmdStr)-1]='\0';
+
+			sprintf(ModulePath, "mc%u:/%s/hddload.irx", device, SysExecFolder);
+			if(SifLoadModule(ModulePath, sizeof(CmdStr), CmdStr)>=0){
+				IsHddSupportEnabled = 1;
+			}
+		}
+	}
+}
+
+int GetHddSupportEnabledStatus(void){
+	return IsHddSupportEnabled;
+}
+
+int GetHddUpdateStatus(void){
+	return HddSupportStatus;
+}
+
+void DetermineHDDLoadStatus(void){
+	int result;
+
+	if((result=*(int *)UNCACHED_SEG(HDDLoadStatArea))==1){
+		HddSupportStatus = 1;
+	}
+	else if(result<0){
+		IsHddSupportEnabled = 0;
+	}
+}