X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm.c;h=c5a7eb9f7a82c770a75f5ee70127dd2a1bf09aec;hb=e874305a90a64fc14c06c00c8d57f8019709c19f;hp=09b6ff6228a0862ef32d683d7a37e9e05930cd94;hpb=95c3bb063747b4d70a24464d3d67e9c16799d9f9;p=palacios.git

diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c
index 09b6ff6..c5a7eb9 100644
--- a/palacios/src/palacios/vmm.c
+++ b/palacios/src/palacios/vmm.c
@@ -24,6 +24,7 @@
 #include <palacios/vmm_ctrl_regs.h>
 #include <palacios/vmm_lowlevel.h>
 #include <palacios/vmm_sprintf.h>
+#include <palacios/vmm_extensions.h>
 
 #ifdef CONFIG_SVM
 #include <palacios/svm.h>
@@ -112,6 +113,9 @@ void Init_V3(struct v3_os_hooks * hooks, int num_cpus) {
     // Register all shadow paging handlers
     V3_init_shdw_paging();
 
+    // Register all extensions
+    V3_init_extensions();
+
 
 #ifdef CONFIG_SYMMOD
     V3_init_symmod();
@@ -145,6 +149,8 @@ void Shutdown_V3() {
     V3_deinit_devices();
     V3_deinit_shdw_paging();
 
+    V3_deinit_extensions();
+
 #ifdef CONFIG_SYMMOD
     V3_deinit_symmod();
 #endif
@@ -260,43 +266,72 @@ int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) {
 
 
     if (vm->num_cores > avail_cores) {
-	PrintError("Attempted to start a VM with too many cores (vm->num_cores = %d, avail_cores = %d, MAX=%d)\n", vm->num_cores, avail_cores, MAX_CORES);
+	PrintError("Attempted to start a VM with too many cores (vm->num_cores = %d, avail_cores = %d, MAX=%d)\n", 
+		   vm->num_cores, avail_cores, MAX_CORES);
 	return -1;
     }
 
 #ifdef CONFIG_MULTITHREAD_OS
     // spawn off new threads, for other cores
     for (i = 0, vcore_id = 1; (i < MAX_CORES) && (vcore_id < vm->num_cores); i++) {
-	int major = i / 8;
-	int minor = i % 8;
+	int major = 0;
+ 	int minor = 0;
 	void * core_thread = NULL;
 	struct guest_info * core = &(vm->cores[vcore_id]);
+	char * specified_cpu = v3_cfg_val(core->core_cfg_data, "target_cpu");
+	uint32_t core_idx = 0;
+
+	if (specified_cpu != NULL) {
+	    core_idx = atoi(specified_cpu);
+	    
+	    if ((core_idx < 0) || (core_idx >= MAX_CORES)) {
+		PrintError("Target CPU out of bounds (%d) (MAX_CORES=%d)\n", core_idx, MAX_CORES);
+	    }
 
-	/* This assumes that the core 0 thread has been mapped to physical core 0 */
-	if (i == V3_Get_CPU()) {
-	    // We skip the local CPU because it is reserved for vcore 0
-	    continue;
+	    i--; // We reset the logical core idx. Not strictly necessary I guess... 
+	} else {
+
+	    /* This assumes that the core 0 thread has been mapped to physical core 0 */
+	    if (i == V3_Get_CPU()) {
+		// We skip the local CPU because it is reserved for vcore 0
+		continue;
+	    }
+	    
+	    core_idx = i;
 	}
 
+	major = core_idx / 8;
+	minor = core_idx % 8;
+
+
+
 	if ((core_mask[major] & (0x1 << minor)) == 0) {
 	    PrintError("Logical CPU %d not available for virtual core %d; not started\n",
-		       i, vcore_id);
+		       core_idx, vcore_id);
+
+	    if (specified_cpu != NULL) {
+		PrintError("CPU was specified explicitly (%d). HARD ERROR\n", core_idx);
+		v3_stop_vm(vm);
+		return -1;
+	    }
+
 	    continue;
-	} 
+	}
 
 	PrintDebug("Starting virtual core %u on logical core %u\n", 
-		   vcore_id, i);
+		   vcore_id, core_idx);
 	
 	sprintf(core->exec_name, "%s-%u", vm->name, vcore_id);
 
 	PrintDebug("run: core=%u, func=0x%p, arg=0x%p, name=%s\n",
-		   i, start_core, core, core->exec_name);
+		   core_idx, start_core, core, core->exec_name);
 
 	// TODO: actually manage these threads instead of just launching them
-	core_thread = V3_CREATE_THREAD_ON_CPU(i, start_core, core, core->exec_name);
+	core_thread = V3_CREATE_THREAD_ON_CPU(core_idx, start_core, core, core->exec_name);
 
 	if (core_thread == NULL) {
 	    PrintError("Thread launch failed\n");
+	    v3_stop_vm(vm);
 	    return -1;
 	}
 
@@ -308,6 +343,7 @@ int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) {
 
     if (start_core(&(vm->cores[0])) != 0) {
 	PrintError("Error starting VM core 0\n");
+	v3_stop_vm(vm);
 	return -1;
     }