X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fsvm_io.c;h=a4208f476786db72322a3c399ff5bccd300b70b2;hb=cf1eee7c0aec2016e99acf03077a728f7617a985;hp=366889791fbf74233a3b9b6c4e6439f679192862;hpb=dc87c976e1423a304f7d4c8848c85874c58e05b5;p=palacios.git

diff --git a/palacios/src/palacios/svm_io.c b/palacios/src/palacios/svm_io.c
index 3668897..a4208f4 100644
--- a/palacios/src/palacios/svm_io.c
+++ b/palacios/src/palacios/svm_io.c
@@ -15,11 +15,12 @@ int handle_svm_io_in(struct guest_info * info) {
   uint_t read_size = 0;
 
   if (hook == NULL) {
+    PrintDebug("Hook Not present for in on port %x\n", io_info->port);
     // error, we should not have exited on this port
     return -1;
   }
 
-  //PrintDebug("IN on  port %d (0x%x)\n", io_info->port, io_info->port);
+  PrintDebug("IN on  port %d (0x%x)\n", io_info->port, io_info->port);
 
   if (io_info->sz8) { 
     read_size = 1;
@@ -32,6 +33,7 @@ int handle_svm_io_in(struct guest_info * info) {
 
   if (hook->read(io_info->port, &(info->vm_regs.rax), read_size, hook->priv_data) != read_size) {
     // not sure how we handle errors.....
+    PrintDebug("Read Failure for in on port %x\n", io_info->port);
     return -1;
   }
 
@@ -55,7 +57,7 @@ int handle_svm_io_ins(struct guest_info * info) {
   
   vmm_io_hook_t * hook = get_io_hook(&(info->io_map), io_info->port);
   uint_t read_size = 0;
-  addr_t base_addr = guest_state->es.base ;
+
   addr_t dst_addr = 0;
   uint_t rep_num = 1;
   ullong_t mask = 0;
@@ -73,11 +75,12 @@ int handle_svm_io_ins(struct guest_info * info) {
 
 
   if (hook == NULL) {
+   PrintDebug("Hook Not present for ins on port %x\n", io_info->port);
     // error, we should not have exited on this port
     return -1;
   }
 
-  //PrintDebug("INS on  port %d (0x%x)\n", io_info->port, io_info->port);
+  PrintDebug("INS on  port %d (0x%x)\n", io_info->port, io_info->port);
 
   if (io_info->sz8) { 
     read_size = 1;
@@ -107,7 +110,7 @@ int handle_svm_io_ins(struct guest_info * info) {
 
   while (rep_num > 0) {
     addr_t host_addr;
-    dst_addr = get_addr_linear(info, info->vm_regs.rdi & mask, base_addr);
+    dst_addr = get_addr_linear(info, info->vm_regs.rdi & mask, &(info->segments.es));
     
     if (guest_va_to_host_va(info, dst_addr, &host_addr) == -1) {
       // either page fault or gpf...
@@ -115,6 +118,7 @@ int handle_svm_io_ins(struct guest_info * info) {
 
     if (hook->read(io_info->port, (char*)host_addr, read_size, hook->priv_data) != read_size) {
       // not sure how we handle errors.....
+      PrintDebug("Read Failure for ins on port %x\n", io_info->port);
       return -1;
     }
 
@@ -141,11 +145,12 @@ int handle_svm_io_out(struct guest_info * info) {
   uint_t write_size = 0;
 
   if (hook == NULL) {
+    PrintDebug("Hook Not present for out on port %x\n", io_info->port);
     // error, we should not have exited on this port
     return -1;
   }
 
-  //PrintDebug("OUT on  port %d (0x%x)\n", io_info->port, io_info->port);
+  PrintDebug("OUT on  port %d (0x%x)\n", io_info->port, io_info->port);
 
   if (io_info->sz8) { 
     write_size = 1;
@@ -158,6 +163,7 @@ int handle_svm_io_out(struct guest_info * info) {
 
   if (hook->write(io_info->port, &(info->vm_regs.rax), write_size, hook->priv_data) != write_size) {
     // not sure how we handle errors.....
+    PrintDebug("Write Failure for out on port %x\n", io_info->port);
     return -1;
   }
 
@@ -179,7 +185,7 @@ int handle_svm_io_outs(struct guest_info * info) {
   
   vmm_io_hook_t * hook = get_io_hook(&(info->io_map), io_info->port);
   uint_t write_size = 0;
-  addr_t base_addr = guest_state->ds.base;
+
   addr_t dst_addr = 0;
   uint_t rep_num = 1;
   ullong_t mask = 0;
@@ -197,11 +203,12 @@ int handle_svm_io_outs(struct guest_info * info) {
 
 
   if (hook == NULL) {
+    PrintDebug("Hook Not present for outs on port %x\n", io_info->port);
     // error, we should not have exited on this port
     return -1;
   }
 
-  //PrintDebug("OUTS on  port %d (0x%x)\n", io_info->port, io_info->port);
+  PrintDebug("OUTS on  port %d (0x%x)\n", io_info->port, io_info->port);
 
   if (io_info->sz8) { 
     write_size = 1;
@@ -230,7 +237,7 @@ int handle_svm_io_outs(struct guest_info * info) {
 
   while (rep_num > 0) {
     addr_t host_addr;
-    dst_addr = get_addr_linear(info, (info->vm_regs.rsi & mask), base_addr);
+    dst_addr = get_addr_linear(info, (info->vm_regs.rsi & mask), &(info->segments.ds));
     
     if (guest_va_to_host_va(info, dst_addr, &host_addr) == -1) {
       // either page fault or gpf...
@@ -238,6 +245,7 @@ int handle_svm_io_outs(struct guest_info * info) {
 
     if (hook->write(io_info->port, (char*)host_addr, write_size, hook->priv_data) != write_size) {
       // not sure how we handle errors.....
+      PrintDebug("Write Failure for outs on port %x\n", io_info->port);
       return -1;
     }