X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fbochs_debug.c;h=339999de341c695b85288e05761df56f83f9d409;hb=ffd6d915b585a4a17a2d5b081313f0968885a105;hp=b834ba30e77231381cf12eb196fa9126aa4fd904;hpb=4bc3ee757b44d3e466fd89e348106c47fa5511ee;p=palacios.git

diff --git a/palacios/src/devices/bochs_debug.c b/palacios/src/devices/bochs_debug.c
index b834ba3..339999d 100644
--- a/palacios/src/devices/bochs_debug.c
+++ b/palacios/src/devices/bochs_debug.c
@@ -18,8 +18,10 @@
  */
 
 
-#include <devices/bochs_debug.h>
+
 #include <palacios/vmm.h>
+#include <palacios/vmm_dev_mgr.h>
+#include <palacios/vmm_io.h>
 
 #define BUF_SIZE 1024
 
@@ -28,6 +30,7 @@
 #define BOCHS_INFO_PORT 0x402
 #define BOCHS_DEBUG_PORT 0x403
 
+#define BOCHS_CONSOLE_PORT 0xe9
 
 
 struct debug_state {
@@ -36,10 +39,13 @@ struct debug_state {
 
     char info_buf[BUF_SIZE];
     uint_t info_offset;
+
+    char cons_buf[BUF_SIZE];
+    uint_t cons_offset;
 };
 
-static int handle_info_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
-    struct debug_state * state = (struct debug_state *)dev->private_data;
+static int handle_info_write(struct guest_info * core, ushort_t port, void * src, uint_t length, void * priv_data) {
+    struct debug_state * state = (struct debug_state *)priv_data;
 
     state->info_buf[state->info_offset++] = *(char*)src;
 
@@ -53,8 +59,8 @@ static int handle_info_write(ushort_t port, void * src, uint_t length, struct vm
 }
 
 
-static int handle_debug_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
-    struct debug_state * state = (struct debug_state *)dev->private_data;
+static int handle_debug_write(struct guest_info * core, ushort_t port, void * src, uint_t length, void * priv_data) {
+    struct debug_state * state = (struct debug_state *)priv_data;
 
     state->debug_buf[state->debug_offset++] = *(char*)src;
 
@@ -68,8 +74,23 @@ static int handle_debug_write(ushort_t port, void * src, uint_t length, struct v
 }
 
 
-static int handle_gen_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+static int handle_console_write(struct guest_info * core, ushort_t port, void * src, uint_t length, void * priv_data) {
+    struct debug_state * state = (struct debug_state *)priv_data;
+
+    state->cons_buf[state->cons_offset++] = *(char *)src;
+
+    if ((*(char *)src == 0xa) ||  (state->cons_offset == (BUF_SIZE - 1))) {
+	V3_Print("BOCHSCONSOLE>%s", state->cons_buf);
+	memset(state->cons_buf, 0, BUF_SIZE);
+	state->cons_offset = 0;
+    }
+
+    return length;
+}
+
 
+static int handle_gen_write(struct guest_info * core, ushort_t port, void * src, uint_t length, void * priv_data)  {
+    
     switch (length) {
 	case 1:
 	    PrintDebug(">0x%.2x\n", *(uchar_t*)src);
@@ -90,55 +111,68 @@ static int handle_gen_write(ushort_t port, void * src, uint_t length, struct vm_
 }
 
 
-static int debug_init(struct vm_device * dev) {
-    struct debug_state * state = (struct debug_state *)dev->private_data;
 
-    state->debug_offset = 0;
-    state->info_offset = 0;
-    memset(state->debug_buf, 0, BUF_SIZE);
-    memset(state->info_buf, 0, BUF_SIZE);
 
+static int debug_free(struct debug_state * state) {
 
-    v3_dev_hook_io(dev, BOCHS_PORT1,  NULL, &handle_gen_write);
-    v3_dev_hook_io(dev, BOCHS_PORT2, NULL, &handle_gen_write);
-    v3_dev_hook_io(dev, BOCHS_INFO_PORT, NULL, &handle_info_write);
-    v3_dev_hook_io(dev, BOCHS_DEBUG_PORT, NULL, &handle_debug_write);
-  
-    return 0;
-}
-
-static int debug_deinit(struct vm_device * dev) {
-    v3_dev_unhook_io(dev, BOCHS_PORT1);
-    v3_dev_unhook_io(dev, BOCHS_PORT2);
-    v3_dev_unhook_io(dev, BOCHS_INFO_PORT);
-    v3_dev_unhook_io(dev, BOCHS_DEBUG_PORT);
-
+    V3_Free(state);
     return 0;
 };
 
 
 
 
-static struct vm_device_ops dev_ops = {
-    .init = debug_init,
-    .deinit = debug_deinit,
-    .reset = NULL,
-    .start = NULL,
-    .stop = NULL,
+static struct v3_device_ops dev_ops = {
+    .free = (int (*)(void *))debug_free,
+
 };
 
 
-struct vm_device * v3_create_bochs_debug() {
+
+
+static int debug_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     struct debug_state * state = NULL;
+    char * dev_id = v3_cfg_val(cfg, "ID");
+    int ret = 0;
 
     state = (struct debug_state *)V3_Malloc(sizeof(struct debug_state));
 
-    V3_ASSERT(state != NULL);
+    if (state == NULL) {
+	PrintError("Could not allocate bochs debug state\n");
+	return -1;
+    }
 
     PrintDebug("Creating Bochs Debug Device\n");
-    struct vm_device * device = v3_create_device("BOCHS Debug", &dev_ops, state);
-
+    struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, state);
 
+    if (dev == NULL) {
+	PrintError("Could not attach device %s\n", dev_id);
+	V3_Free(state);
+	return -1;
+    }
 
-    return device;
+    state->debug_offset = 0;
+    state->info_offset = 0;
+    state->cons_offset = 0;
+    memset(state->debug_buf, 0, BUF_SIZE);
+    memset(state->info_buf, 0, BUF_SIZE);
+    memset(state->cons_buf, 0, BUF_SIZE);
+
+
+    ret |= v3_dev_hook_io(dev, BOCHS_PORT1,  NULL, &handle_gen_write);
+    ret |= v3_dev_hook_io(dev, BOCHS_PORT2, NULL, &handle_gen_write);
+    ret |= v3_dev_hook_io(dev, BOCHS_INFO_PORT, NULL, &handle_info_write);
+    ret |= v3_dev_hook_io(dev, BOCHS_DEBUG_PORT, NULL, &handle_debug_write);
+    ret |= v3_dev_hook_io(dev, BOCHS_CONSOLE_PORT, NULL, &handle_console_write);
+    
+    if (ret != 0) {
+	PrintError("Could not hook Bochs Debug IO Ports\n");
+	v3_remove_device(dev);
+	return -1;
+    }
+  
+    return 0;
 }
+
+
+device_register("BOCHS_DEBUG", debug_init);