added full device support

[palacios.git] / palacios / src / palacios / svm_handler.c

diff --git a/palacios/src/palacios/svm_handler.c b/palacios/src/palacios/svm_handler.c
index fed7b79..f7e39de 100644 (file)
--- a/palacios/src/palacios/svm_handler.c
+++ b/palacios/src/palacios/svm_handler.c
@@ -1,7 +1,10 @@
 #include <palacios/svm_handler.h>
 #include <palacios/vmm.h>
+#include <palacios/vm_guest_mem.h>
+#include <palacios/vmm_emulate.h>
 #include <palacios/svm_ctrl_regs.h>
 #include <palacios/svm_io.h>
+#include <palacios/vmm_intr.h>
 
 extern struct vmm_os_hooks * os_hooks;
 
@@ -19,26 +22,13 @@ int handle_svm_exit(struct guest_info * info) {
   info->rip = guest_state->rip;
   info->vm_regs.rsp = guest_state->rsp;
   info->vm_regs.rax = guest_state->rax;
-  info->vm_regs.rsp = guest_state->rsp;
-
-
-  PrintDebug("SVM Returned:(VMCB=%x)\n", info->vmm_data); 
-  PrintDebug("RIP: %x\n", guest_state->rip);
-  
+  info->vm_regs.rsp = guest_state->rsp;  
 
 
   exit_code = guest_ctrl->exit_code;
-  
+ 
   // PrintDebugVMCB((vmcb_t*)(info->vmm_data));
-  PrintDebug("SVM Returned: Exit Code: %x\n",exit_code); 
 
-  PrintDebug("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
-  PrintDebug("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
-
-  PrintDebug("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
-  PrintDebug("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
-
-  
   if (exit_code == VMEXIT_IOIO) {
     struct svm_io_info * io_info = (struct svm_io_info *)&(guest_ctrl->exit_info1);
     
@@ -61,7 +51,7 @@ int handle_svm_exit(struct guest_info * info) {
     if (handle_cr0_write(info) == -1) {
       return -1;
     }
-
+    /*
   } else if (( (exit_code == VMEXIT_CR3_READ)  ||
               (exit_code == VMEXIT_CR3_WRITE) ||
               (exit_code == VMEXIT_INVLPG)    ||
@@ -69,10 +59,84 @@ int handle_svm_exit(struct guest_info * info) {
               (exit_code == VMEXIT_EXCP14)) && 
             (info->page_mode == SHADOW_PAGING)) {
     handle_shadow_paging(info);
+    */
+  } else {
+    addr_t rip_addr = get_addr_linear(info, guest_state->rip, guest_state->cs.selector);
+    char buf[15];
+    addr_t host_addr;
+
+
+    PrintDebug("SVM Returned:(VMCB=%x)\n", info->vmm_data); 
+    PrintDebug("RIP: %x\n", guest_state->rip);
+    PrintDebug("RIP Linear: %x\n", rip_addr);
+    
+    PrintDebug("SVM Returned: Exit Code: %x\n",exit_code); 
+    
+    PrintDebug("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
+    PrintDebug("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
+    
+    PrintDebug("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
+    PrintDebug("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
+
+    
+
+    if (guest_pa_to_host_pa(info, guest_state->rip, &host_addr) == -1) {
+      PrintDebug("Could not translate guest_state->rip to host address\n");
+      return -1;
+    }
+
+    PrintDebug("Host Address of rip = 0x%x\n", host_addr);
+
+    memset(buf, 0, 15);
+    
+    PrintDebug("Reading from 0x%x in guest\n", rip_addr);
+    
+    read_guest_pa_memory(info, rip_addr, 15, buf);
+
+    PrintTraceMemDump(buf, 15);
+
+    while(1);
+
   }
 
 
   // Update the low level state
+
+  if (intr_pending(&(info->intr_state))) {
+    guest_ctrl->EVENTINJ.vector = get_intr_number(&(info->intr_state));
+    guest_ctrl->EVENTINJ.valid = 1;
+ 
+    switch (get_intr_type(&(info->intr_state))) {
+    case EXTERNAL_IRQ:
+      guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXTERNAL_INTR;
+      break;
+    case NMI:
+      guest_ctrl->EVENTINJ.type = SVM_INJECTION_NMI;
+      break;
+    case EXCEPTION:
+      guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXCEPTION;
+      guest_ctrl->EVENTINJ.error_code = info->intr_state.excp_error_code;
+      break;
+    case SOFTWARE:
+      guest_ctrl->EVENTINJ.type = SVM_INJECTION_SOFT_INTR;
+      break;
+    case VIRTUAL:
+      guest_ctrl->EVENTINJ.type = SVM_INJECTION_VIRTUAL_INTR;
+      break;
+
+    case INVALID_INTR: 
+    default:
+      PrintDebug("Attempted to issue an invalid interrupt\n");
+      return -1;
+    }
+
+    // IMPORTANT TODO
+    // We need to figure out stack parameters....
+
+    //EVENTINJ.error_code
+
+  }
+
   guest_state->rax = info->vm_regs.rax;
   guest_state->rip = info->rip;
   guest_state->rsp = info->vm_regs.rsp;