qemu-port-e9.diff

Simple Operating Systems （简称SOS）是一个可以运行在X86平台上（包括QEMU

--- Makefile.target	17 Mar 2004 23:46:04 -0000	1.19
+++ Makefile.target	18 Mar 2004 14:20:29 -0000
@@ -217,7 +217,8 @@
 # must use static linking to avoid leaving stuff in virtual address space
 VL_OBJS=vl.o osdep.o block.o monitor.o \
         ide.o ne2000.o pckbd.o vga.o sb16.o dma.o oss.o \
-        fdc.o mc146818rtc.o serial.o i8259.o i8254.o pc.o
+        fdc.o mc146818rtc.o serial.o i8259.o i8254.o pc.o \
+	port-e9.o
 ifeq ($(TARGET_ARCH), ppc)
 VL_OBJS+= hw.o
 endif
--- hw/pc.c	14 Mar 2004 21:46:48 -0000	1.2
+++ hw/pc.c	18 Mar 2004 14:20:29 -0000
@@ -371,6 +371,7 @@
     SB16_init();
 
     fdctrl_init(6, 2, 0, 0x3f0, fd_table);
+    port_e9_init();
 
     cmos_init(ram_size, boot_device);
 }
--- /dev/null	2003-01-30 11:24:37.000000000 +0100
+++ port-e9.c	2004-03-18 15:18:52.660493187 +0100
@@ -0,0 +1,38 @@
+/*
+ * QEMU Port 0xe9 hack
+ * 
+ * Copyright (c) 2000-2004 E. Marty, the bochs team, D. Decotigny
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include <stdio.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+#include "vl.h"
+
+static void bochs_e9_write(void *opaque, uint32_t address, uint32_t data)
+{
+  write(fileno(stdout), &data, 1);
+}
+
+void port_e9_init ()
+{
+   register_ioport_write(0xe9, 1, 1, bochs_e9_write, NULL);
+}
--- vl.h	17 Mar 2004 23:17:16 -0000	1.14
+++ vl.h	18 Mar 2004 14:29:06 -0000
@@ -268,4 +268,7 @@
 void term_flush(void);
 void term_print_help(void);
 
+/* port-e9.c */
+void port_e9_init(void);
+
 #endif /* VL_H */