added full io support

[palacios.git] / palacios / src / geekos / svm_ctrl_regs.c

diff --git a/palacios/src/geekos/svm_ctrl_regs.c b/palacios/src/geekos/svm_ctrl_regs.c
index 99d1f94..ffdd3de 100644 (file)
--- a/palacios/src/geekos/svm_ctrl_regs.c
+++ b/palacios/src/geekos/svm_ctrl_regs.c
@@ -25,7 +25,7 @@ int handle_cr0_write(struct guest_info * info) {
     int ret;
 
     // The real rip address is actually a combination of the rip + CS base 
-    ret = read_guest_pa_memory(info, (addr_t)guest_state->rip + (guest_state->cs.base << 4), 15, instr);
+    ret = read_guest_pa_memory(info, get_rip_linear(info, guest_state->rip, guest_state->cs.base), 15, instr);
     if (ret != 15) {
       // I think we should inject a GPF into the guest
       PrintDebug("Could not read instruction (ret=%d)\n", ret);
@@ -117,7 +117,7 @@ int handle_cr0_write(struct guest_info * info) {
     PrintDebug("Protected Mode write to CR0\n");
 
     // The real rip address is actually a combination of the rip + CS base 
-    ret = read_guest_pa_memory(info, (addr_t)guest_state->rip + guest_state->cs.base, 15, instr);
+    ret = read_guest_pa_memory(info, get_rip_linear(info, guest_state->rip, guest_state->cs.base), 15, instr);
     if (ret != 0) {
       // I think we should inject a GPF into the guest
       PrintDebug("Could not read instruction (ret=%d)\n", ret);
@@ -128,6 +128,8 @@ int handle_cr0_write(struct guest_info * info) {
       index++; 
     }
 
+
+    /* CHECK IF MOV_TO_CR CAN TAKE MEMORY OPERANDS... */
     if ((instr[index] == cr_access_byte) && 
        (instr[index + 1] == mov_to_cr_byte)) {
     
@@ -198,7 +200,7 @@ int handle_cr0_read(struct guest_info * info) {
     int ret;
 
     // The real rip address is actually a combination of the rip + CS base 
-    ret = read_guest_pa_memory(info, (addr_t)guest_state->rip + (guest_state->cs.base << 4), 15, instr);
+    ret = read_guest_pa_memory(info, get_rip_linear(info, guest_state->rip, guest_state->cs.base), 15, instr);
     if (ret != 15) {
       // I think we should inject a GPF into the guest
       PrintDebug("Could not read instruction (ret=%d)\n", ret);
@@ -255,7 +257,7 @@ int handle_cr0_read(struct guest_info * info) {
     int ret;
 
     // The real rip address is actually a combination of the rip + CS base 
-    ret = read_guest_pa_memory(info, (addr_t)guest_state->rip + guest_state->cs.base, 15, instr);
+    ret = read_guest_pa_memory(info, get_rip_linear(info, guest_state->rip, guest_state->cs.base), 15, instr);
     if (ret != 15) {
       // I think we should inject a GPF into the guest
       PrintDebug("Could not read instruction (ret=%d)\n", ret);