Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


added bochs console support
[palacios.git] / palacios / src / devices / bochs_debug.c
index 45bc751..4d3d284 100644 (file)
 #define BOCHS_INFO_PORT 0x402
 #define BOCHS_DEBUG_PORT 0x403
 
+#define BOCHS_CONSOLE_PORT 0xe9
 
 
 struct debug_state {
-  char debug_buf[BUF_SIZE];
-  uint_t debug_offset;
+    char debug_buf[BUF_SIZE];
+    uint_t debug_offset;
 
-  char info_buf[BUF_SIZE];
-  uint_t info_offset;
+    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;
+    struct debug_state * state = (struct debug_state *)dev->private_data;
 
-  state->info_buf[state->info_offset++] = *(char*)src;
+    state->info_buf[state->info_offset++] = *(char*)src;
 
-  if ((*(char*)src == 0xa) ||  (state->info_offset == (BUF_SIZE - 1))) {
-    PrintDebug("BOCHSINFO>%s", state->info_buf);
-    memset(state->info_buf, 0, BUF_SIZE);
-    state->info_offset = 0;
-  }
+    if ((*(char*)src == 0xa) ||  (state->info_offset == (BUF_SIZE - 1))) {
+       PrintDebug("BOCHSINFO>%s", state->info_buf);
+       memset(state->info_buf, 0, BUF_SIZE);
+       state->info_offset = 0;
+    }
 
-  return length;
+    return length;
 }
 
 
 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;
+    struct debug_state * state = (struct debug_state *)dev->private_data;
 
-  state->debug_buf[state->debug_offset++] = *(char*)src;
+    state->debug_buf[state->debug_offset++] = *(char*)src;
 
-  if ((*(char*)src == 0xa) ||  (state->debug_offset == (BUF_SIZE - 1))) {
-    PrintDebug("BOCHSDEBUG>%s", state->debug_buf);
-    memset(state->debug_buf, 0, BUF_SIZE);
-    state->debug_offset = 0;
-  }
+    if ((*(char*)src == 0xa) ||  (state->debug_offset == (BUF_SIZE - 1))) {
+       PrintDebug("BOCHSDEBUG>%s", state->debug_buf);
+       memset(state->debug_buf, 0, BUF_SIZE);
+       state->debug_offset = 0;
+    }
 
-  return length;
+    return length;
+}
+
+
+static int handle_console_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+    struct debug_state * state = (struct debug_state *)dev->private_data;
+
+    state->cons_buf[state->cons_offset++] = *(char*)src;
+
+    if ((*(char*)src == 0xa) ||  (state->cons_offset == (BUF_SIZE - 1))) {
+       PrintDebug("BOCHSCONSOLE>%s", state->cons_buf);
+       memset(state->cons_buf, 0, BUF_SIZE);
+       state->cons_offset = 0;
+    }
+
+    return length;
 }
 
 
 static int handle_gen_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
 
-  switch (length) {
-  case 1:
-    PrintDebug(">0x%.2x\n", *(uchar_t*)src);
-    break;
-  case 2:
-    PrintDebug(">0x%.4x\n", *(ushort_t*)src);
-    break;
-  case 4:
-    PrintDebug(">0x%.8x\n", *(uint_t*)src);
-    break;
-  default:
-    PrintError("Invalid length in handle_gen_write\n");
-    return -1;
-    break;
-  }
-
-  return length;
+    switch (length) {
+       case 1:
+           PrintDebug(">0x%.2x\n", *(uchar_t*)src);
+           break;
+       case 2:
+           PrintDebug(">0x%.4x\n", *(ushort_t*)src);
+           break;
+       case 4:
+           PrintDebug(">0x%.8x\n", *(uint_t*)src);
+           break;
+       default:
+           PrintError("Invalid length in handle_gen_write\n");
+           return -1;
+           break;
+    }
+
+    return length;
 }
 
 
 static int debug_init(struct vm_device * dev) {
-  struct debug_state * state = (struct debug_state *)dev->private_data;
+    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);
+    state->debug_offset = 0;
+    state->info_offset = 0;
+    memset(state->debug_buf, 0, BUF_SIZE);
+    memset(state->info_buf, 0, BUF_SIZE);
 
 
-  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);
+    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);
+    v3_dev_hook_io(dev, BOCHS_CONSOLE_PORT, NULL, &handle_console_write);
+    
   
-  return 0;
+    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_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);
 
-  return 0;
+    return 0;
 };
 
 
 
 
 static struct vm_device_ops dev_ops = {
-  .init = debug_init,
-  .deinit = debug_deinit,
-  .reset = NULL,
-  .start = NULL,
-  .stop = NULL,
+    .init = debug_init,
+    .deinit = debug_deinit,
+    .reset = NULL,
+    .start = NULL,
+    .stop = NULL,
 };
 
 
 struct vm_device * v3_create_bochs_debug() {
-  struct debug_state * state = NULL;
+    struct debug_state * state = NULL;
 
-  state = (struct debug_state *)V3_Malloc(sizeof(struct debug_state));
+    state = (struct debug_state *)V3_Malloc(sizeof(struct debug_state));
 
-  V3_ASSERT(state != NULL);
+    V3_ASSERT(state != NULL);
 
-  PrintDebug("Creating Bochs Debug Device\n");
-  struct vm_device * device = v3_create_device("BOCHS Debug", &dev_ops, state);
+    PrintDebug("Creating Bochs Debug Device\n");
+    struct vm_device * device = v3_create_device("BOCHS Debug", &dev_ops, state);
 
 
 
-  return device;
+    return device;
 }