From b5f8ef0106b6086c956cd3bfae06bc9cd797c414 Mon Sep 17 00:00:00 2001
From: Daniel Gerendasy <Dnawrkshp@users.noreply.github.com>
Date: Thu, 9 Nov 2023 19:07:32 -0800
Subject: [PATCH] Added support for HostFs when booting an iso

---
 pcsx2/IopBios.cpp   | 6 ++++++
 pcsx2/IopBios.h     | 1 +
 pcsx2/VMManager.cpp | 4 ++++
 3 files changed, 11 insertions(+)

diff --git a/pcsx2/IopBios.cpp b/pcsx2/IopBios.cpp
index f1278fb92b..cdd1ee4285 100644
--- a/pcsx2/IopBios.cpp
+++ b/pcsx2/IopBios.cpp
@@ -102,6 +102,12 @@ void Hle_SetElfPath(const char* elfFileName)
 	Console.WriteLn("HLE Host: Set 'host:' root path to: %s\n", hostRoot.c_str());
 }
 
+void Hle_SetIsoPath(const char* isoFilename)
+{
+	hostRoot = Path::ToNativePath(Path::GetDirectory(isoFilename));
+	Console.WriteLn("HLE Host: Set 'host:' root path to: %s\n", hostRoot.c_str());
+}
+
 void Hle_ClearElfPath()
 {
 	hostRoot = {};
diff --git a/pcsx2/IopBios.h b/pcsx2/IopBios.h
index 92110cf217..8b099dd8e3 100644
--- a/pcsx2/IopBios.h
+++ b/pcsx2/IopBios.h
@@ -87,5 +87,6 @@ namespace R3000A
 } // namespace R3000A
 
 extern void Hle_SetElfPath(const char* elfFileName);
+extern void Hle_SetIsoPath(const char* isoFilename);
 extern void Hle_ClearElfPath();
 
diff --git a/pcsx2/VMManager.cpp b/pcsx2/VMManager.cpp
index 9e07d60a21..6e54155f4e 100644
--- a/pcsx2/VMManager.cpp
+++ b/pcsx2/VMManager.cpp
@@ -1190,6 +1190,10 @@ bool VMManager::Initialize(VMBootParameters boot_params)
 
 		Hle_SetElfPath(s_elf_override.c_str());
 	}
+	else if (CDVDsys_GetSourceType() == CDVD_SourceType::Iso)
+	{
+		Hle_SetIsoPath(CDVDsys_GetFile(CDVDsys_GetSourceType()).c_str());
+	}
 	else
 	{
 		Hle_ClearElfPath();