From: Steven Jaconette <jacones@u.northwestern.edu>
Date: Mon, 17 Aug 2009 19:44:54 +0000 (-0500)
Subject: Virtual Console
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=46b8faf02be8ec628db5683bc6fdb55e72344c18

Virtual Console
---

diff --git a/palacios/src/devices/Kconfig b/palacios/src/devices/Kconfig
index 76d8187..2f5e959 100644
--- a/palacios/src/devices/Kconfig
+++ b/palacios/src/devices/Kconfig
@@ -259,4 +259,11 @@ config SYM_SWAP
 	help 
 	  Includes the symbiotic ram based swap disk
 
+config VIDEO
+	bool "VIDEO"
+	default y
+	depends on PCI && EXPERIMENTAL
+	help
+	  Includes the Virtual Video Card Device
+
 endmenu
diff --git a/palacios/src/devices/Makefile b/palacios/src/devices/Makefile
index 44c4b91..1d6b0df 100644
--- a/palacios/src/devices/Makefile
+++ b/palacios/src/devices/Makefile
@@ -22,3 +22,5 @@ obj-$(CONFIG_NE2K) += ne2k.o
 
 obj-$(CONFIG_NET_CD) += net_cd.o 
 obj-$(CONFIG_NET_HD) += net_hd.o 
+
+obj-$(CONFIG_VIDEO) += video.o
diff --git a/palacios/src/palacios/vmm_config.c b/palacios/src/palacios/vmm_config.c
index 701449f..921633f 100644
--- a/palacios/src/palacios/vmm_config.c
+++ b/palacios/src/palacios/vmm_config.c
@@ -35,6 +35,8 @@
 #include <devices/ram_hd.h>
 #include <devices/net_hd.h>
 
+#include <devices/video.h>
+
 
 #include <palacios/vmm_host_events.h>
 
@@ -50,7 +52,7 @@ static int configure_generic(struct guest_info * info, struct v3_vm_config * con
 
 
 
-
+#ifndef VIDEO
 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
 
     return length;
@@ -60,7 +62,7 @@ static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, v
     
     return length;
 }
-
+#endif
 
 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
    extern v3_cpu_arch_t v3_cpu_type;
@@ -161,6 +163,8 @@ int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_
  * We need to make sure the memory map extends to cover it
  */
 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
+
+#ifndef VIDEO
     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
     
     // VGA frame buffer
@@ -172,6 +176,7 @@ static int setup_memory_map(struct guest_info * info, struct v3_vm_config * conf
     } else {
 	v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
     }
+#endif
 
 #define VGABIOS_START 0x000c0000
 #define ROMBIOS_START 0x000f0000
@@ -239,6 +244,7 @@ static int setup_devices(struct guest_info * info, struct v3_vm_config * config_
 	v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
 	v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
 
+	v3_create_device(info, "VIDEO", "PCI");
 
 	v3_create_device(info, "IDE", &ide_config);
     } else {
@@ -427,7 +433,7 @@ static int configure_generic(struct guest_info * info, struct v3_vm_config * con
 
 #endif
 
-#if 1
+#ifndef VIDEO
 
     // Monitor graphics card operations
     
diff --git a/palacios/src/palacios/vmm_emulator.c b/palacios/src/palacios/vmm_emulator.c
index 5fb9226..f80aade 100644
--- a/palacios/src/palacios/vmm_emulator.c
+++ b/palacios/src/palacios/vmm_emulator.c
@@ -48,8 +48,11 @@ static int emulate_string_write_op(struct guest_info * info, struct x86_instr *
 	return -1;
     }
   
-    emulation_length = ( (dec_instr->str_op_length  < (0x1000 - PAGE_OFFSET_4KB(write_gva))) ? 
+    /*emulation_length = ( (dec_instr->str_op_length  < (0x1000 - PAGE_OFFSET_4KB(write_gva))) ? 
 			 dec_instr->str_op_length :
+			 (0x1000 - PAGE_OFFSET_4KB(write_gva)));*/
+     emulation_length = ( (dec_instr->str_op_length * (dec_instr->dst_operand.size)  < (0x1000 - PAGE_OFFSET_4KB(write_gva))) ? 
+			 dec_instr->str_op_length * dec_instr->dst_operand.size :
 			 (0x1000 - PAGE_OFFSET_4KB(write_gva)));
   
     /* ** Fix emulation length so that it doesn't overrun over the src page either ** */