From: Peter Dinda <pdinda@northwestern.edu>
Date: Sat, 19 Jul 2008 01:02:11 +0000 (+0000)
Subject: svm_handler now handles pause exits and correctly does exception injects with
X-Git-Tag: boots-puppy-iso-to-command-prompt~9
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=d8e510143aa094363d5bf21d6cb7e31a29a6e826

svm_handler now handles pause exits and correctly does exception injects with
errors that can be zero.
---

diff --git a/palacios/src/palacios/svm_handler.c b/palacios/src/palacios/svm_handler.c
index e67a702..21523f9 100644
--- a/palacios/src/palacios/svm_handler.c
+++ b/palacios/src/palacios/svm_handler.c
@@ -5,6 +5,7 @@
 #include <palacios/vmm_ctrl_regs.h>
 #include <palacios/svm_io.h>
 #include <palacios/svm_halt.h>
+#include <palacios/svm_pause.h>
 #include <palacios/vmm_intr.h>
 
 
@@ -177,6 +178,11 @@ int handle_svm_exit(struct guest_info * info) {
     if (handle_svm_halt(info) == -1) {
       return -1;
     }
+  } else if (exit_code == VMEXIT_PAUSE) { 
+    PrintDebug("Guest paused\n");
+    if (handle_svm_pause(info) == -1) { 
+      return -1;
+    }
   } else {
     addr_t rip_addr;
     char buf[15];
@@ -230,7 +236,7 @@ int handle_svm_exit(struct guest_info * info) {
 
     PrintTraceMemDump(buf, 15);
 
-    while(1);
+    return -1;
 
   }
 
@@ -269,7 +275,7 @@ int handle_svm_exit(struct guest_info * info) {
 
 	guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXCEPTION;
 	
-	if (info->intr_state.excp_error_code) {
+	if (info->intr_state.excp_error_code_valid) {  //PAD
 	  guest_ctrl->EVENTINJ.error_code = info->intr_state.excp_error_code;
 	  guest_ctrl->EVENTINJ.ev = 1;
 	  PrintDebug("Injecting error code %x\n", guest_ctrl->EVENTINJ.error_code);
diff --git a/palacios/src/palacios/vmm_shadow_paging.c b/palacios/src/palacios/vmm_shadow_paging.c
index abb190b..770bb14 100644
--- a/palacios/src/palacios/vmm_shadow_paging.c
+++ b/palacios/src/palacios/vmm_shadow_paging.c
@@ -375,7 +375,7 @@ int handle_shadow_pte32_fault(struct guest_info * info,
     info->ctrl_regs.cr2 = fault_addr;
     raise_exception_with_error(info, PF_EXCEPTION, *(uint_t *)&error_code);
     
-    PrintDebug("Access error injecting pf to guest (guest access error=%d) (pf error code=%d)\n", guest_pte_access, error_code);
+    PrintDebug("Access error injecting pf to guest (guest access error=%d) (pf error code=%d)\n", guest_pte_access, *(uint_t*)&error_code);
     return 0; 
   }