From 291d9f53d1799ae0529699504ade0f2a7917e4ad Mon Sep 17 00:00:00 2001
From: dhewg <dhewg@wiibrew.org>
Date: Wed, 14 Jul 2010 16:58:31 +0200
Subject: [PATCH] new ipc call IPC_PPC_BOOT_FILE. patch by trap15

---
 ipc.h     |  7 ++++---
 powerpc.c | 17 +++++++++++++++++
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/ipc.h b/ipc.h
index 5807841..55b925e 100644
--- a/ipc.h
+++ b/ipc.h
@@ -79,7 +79,7 @@ Copyright (C) 2009		John Kelley <wiidev@kelley.ca>
 // etc.
 
 #define IPC_SDHC_DISCOVER 0x0000
-#define IPC_SDHC_EXIT 	  0x0001
+#define IPC_SDHC_EXIT	0x0001
 
 #define IPC_SDMMC_ACK	0x0000
 #define IPC_SDMMC_READ	0x0001
@@ -92,13 +92,14 @@ Copyright (C) 2009		John Kelley <wiidev@kelley.ca>
 
 #define IPC_AES_RESET	0x0000
 #define IPC_AES_SETIV	0x0001
-#define	IPC_AES_SETKEY	0x0002
-#define	IPC_AES_DECRYPT	0x0003
+#define IPC_AES_SETKEY	0x0002
+#define IPC_AES_DECRYPT	0x0003
 
 #define IPC_BOOT2_RUN	0x0000
 #define IPC_BOOT2_TMD	0x0001
 
 #define IPC_PPC_BOOT	0x0000
+#define IPC_PPC_BOOT_FILE 0x0001
 
 #define IPC_CODE (f,d,r) (((f)<<24)|((d)<<16)|(r))
 
diff --git a/powerpc.c b/powerpc.c
index e9af11b..9259068 100644
--- a/powerpc.c
+++ b/powerpc.c
@@ -4,6 +4,7 @@
 
 Copyright (C) 2008, 2009	Sven Peter <svenpeter@gmail.com>
 Copyright (C) 2009			Andre Heider "dhewg" <dhewg@wiibrew.org>
+Copyright (C) 2010			Alex Marshall <trap15@raidenii.net>
 
 # This code is licensed to you under the terms of the GNU GPL, version 2;
 # see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
@@ -15,6 +16,7 @@ Copyright (C) 2009			Andre Heider "dhewg" <dhewg@wiibrew.org>
 #include "powerpc_elf.h"
 #include "hollywood.h"
 #include "utils.h"
+#include "string.h"
 #include "start.h"
 #include "gecko.h"
 
@@ -83,6 +85,21 @@ void powerpc_ipc(volatile ipc_request *req)
 		}
 
 		break;
+
+	case IPC_PPC_BOOT_FILE:
+		if (req->args[0]) {
+			// Enqueued from ARM side, do not invalidate mem nor ipc_post
+			powerpc_boot_file((char *) req->args[1]);
+		} else {
+			dc_invalidaterange((void *) req->args[1],
+								strnlen((char *) req->args[1], 256));
+			int res = powerpc_boot_file((char *) req->args[1]);
+			if (res)
+				ipc_post(req->code, req->tag, 1, res);
+		}
+
+		break;
+
 	default:
 		gecko_printf("IPC: unknown SLOW PPC request %04X\n", req->req);
 	}