From: Peter Dinda <pdinda@northwestern.edu>
Date: Tue, 28 Apr 2015 17:03:40 +0000 (-0500)
Subject: Minor compile warning fixup and error checks
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=022f63d320c2837822dc7f6be84f860a01f02d7c

Minor compile warning fixup and error checks
---

diff --git a/palacios/src/devices/8259a.c b/palacios/src/devices/8259a.c
index 08a8231..6609a5c 100644
--- a/palacios/src/devices/8259a.c
+++ b/palacios/src/devices/8259a.c
@@ -595,7 +595,7 @@ static int write_master_port1(struct guest_info * core, ushort_t port, void * sr
         if (IS_OCW2(cw)) {
             // handle the EOI here
             struct ocw2 * cw2 =  (struct ocw2*)&cw;
-	    int eoi_irq;
+	    int eoi_irq=-1;
 
             PrintDebug(core->vm_info, core, "8259 PIC: Master: Handling OCW2 = %x (wr_Master1)\n", cw);
 
@@ -750,7 +750,7 @@ static int write_slave_port1(struct guest_info * core, ushort_t port, void * src
 	state->slave_state = ICW2;
     } else if (state->slave_state == READY) {
 	if (IS_OCW2(cw)) {
-	    int eoi_irq;
+	    int eoi_irq = -1;
 	    // handle the EOI here
 	    struct ocw2 * cw2 =  (struct ocw2 *)&cw;
 
diff --git a/palacios/src/palacios/vmm_checkpoint.c b/palacios/src/palacios/vmm_checkpoint.c
index 8156cdf..82c505b 100644
--- a/palacios/src/palacios/vmm_checkpoint.c
+++ b/palacios/src/palacios/vmm_checkpoint.c
@@ -1275,7 +1275,7 @@ int v3_chkpt_send_vm(struct v3_vm_info * vm, char * store, char * url, v3_chkpt_
     int iter = 0;
     bool last_modpage_iteration=false;
     struct v3_bitmap modified_pages_to_send;
-    uint64_t start_time;
+    uint64_t start_time=0;
     uint64_t stop_time;
     int num_mod_pages=0;
     struct mem_migration_state *mm_state;
diff --git a/palacios/src/palacios/vmm_debug.c b/palacios/src/palacios/vmm_debug.c
index cc31a52..e209d54 100644
--- a/palacios/src/palacios/vmm_debug.c
+++ b/palacios/src/palacios/vmm_debug.c
@@ -488,6 +488,11 @@ void v3_print_idt(struct guest_info * core, addr_t idtr_base) {
         PrintError(core->vm_info, core, "idtr base address != linear translation, might be something funky with cs\n");
     }
 
+    if (!base_hva) {
+	PrintError(core->vm_info, core "idtr address does not translate!  skipping.\n");
+	return ;
+    }
+
     int i;
     char *types[16] = {"  ILGL","aTSS16","   LDT","bTSS16","call16","  task","intr16","trap16",
         "  ILGL","aTSS32","  ILGL","bTSS32","call32","  ILGL","intr32","trap32"};
@@ -533,6 +538,11 @@ void v3_print_gdt(struct guest_info * core, addr_t gdtr_base) {
         PrintError(core->vm_info, core, "gdtr base address != linear translation, might be something funky with cs\n");
     }
 
+    if (!base_hva) {
+	PrintError(core->vm_info, core "gdtr address does not translate!  skipping.\n");
+	return ;
+    }
+
     int i;
     char* cd[2] = {"data","code"};
     // TODO: handle possibility of gate/segment descriptor
@@ -600,6 +610,11 @@ void v3_print_idt(struct guest_info * core, addr_t idtr_base) {
         PrintError(core->vm_info, core, "idtr base address != linear translation, might be something funky with cs\n");
     }
 
+    if (!base_hva) {
+	PrintError(core->vm_info, core, "idtr address does not translate!  skipping.\n");
+	return ;
+    }
+
     int i;
     char *types[16] = {"ILGL","ILGL"," LDT","ILGL","ILGL","ILGL","ILGL","ILGL","ILGL",
         "aTSS","ILGL","bTSS","call","ILGL","intr","trap"};
@@ -645,6 +660,11 @@ void v3_print_gdt(struct guest_info * core, addr_t gdtr_base) {
         PrintError(core->vm_info, core, "gdtr base address != linear translation, might be something funky with cs\n");
     }
 
+    if (!base_hva) {
+	PrintError(core->vm_info, core, "gdtr address does not translate!  skipping.\n");
+	return ;
+    }
+
     int i;
     char* cd[2] = {"data","code"};
     // TODO: handle possibility of gate/segment descriptor
@@ -693,6 +713,11 @@ void v3_print_ldt(struct guest_info * core, addr_t ldtr_base) {
         PrintError(core->vm_info, core, "ldtr base address != linear translation, might be something funky with cs\n");
     }
 
+    if (!base_hva) {
+	PrintError(core->vm_info, core, "ldtr address does not translate!  skipping.\n");
+	return ;
+    }
+
     int i;
     char* cd[2] = {"data","code"};
     // TODO: handle possibility of gate/segment descriptor
@@ -740,6 +765,12 @@ void v3_print_tss(struct guest_info * core, addr_t tr_base) {
     if (tr_base != get_addr_linear(core, tr_base, &(core->segments.cs))) {
         PrintError(core->vm_info, core, "tr base address != linear translation, might be something funky with cs\n");
     }
+
+    if (!base_hva) {
+	PrintError(core->vm_info, core, "tr address does not translate!  skipping.\n");
+	return ;
+    }
+
     t=(struct tss_long*)base_hva;
 
     V3_Print(core->vm_info, core," res1 : 0x%llx\n", (uint64_t) t->res1);
diff --git a/palacios/src/palacios/vmm_fp.c b/palacios/src/palacios/vmm_fp.c
index d3b6ca3..c2f2d41 100644
--- a/palacios/src/palacios/vmm_fp.c
+++ b/palacios/src/palacios/vmm_fp.c
@@ -35,7 +35,7 @@ int v3_can_handle_fp_state()
   if (can_do_fp!=-1) { 
     return can_do_fp;
   } else {
-    uint32_t eax, ebx, ecx, edx;
+    uint32_t eax=0, ebx=0, ecx=0, edx=0;
 
     v3_cpuid(CPUID_FEATURE_IDS,&eax,&ebx,&ecx,&edx);
     
diff --git a/palacios/src/palacios/vmm_swapping.c b/palacios/src/palacios/vmm_swapping.c
index 90475d1..e3095d0 100644
--- a/palacios/src/palacios/vmm_swapping.c
+++ b/palacios/src/palacios/vmm_swapping.c
@@ -31,8 +31,6 @@
 
 #include <palacios/vmm_xml.h>
 
-#include <stdio.h>
-#include <stdlib.h>
 
 /*
 
@@ -471,7 +469,7 @@ static int swap_out_region_internal(struct v3_vm_info *vm, struct v3_mem_region
     
     for (i=0, fail=0; i<vm->num_cores;i++ ) {
 	struct guest_info * core = &(vm->cores[i]);
-	int rc;
+	int rc=0;
 
 	if (core->shdw_pg_mode == SHADOW_PAGING) {
 	    v3_mem_mode_t mem_mode = v3_get_vm_mem_mode(core);