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.

projects / palacios-OLD.git / blobdiff
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IDE bug fixes to finally get us working with libata enabled kernels.
[palacios-OLD.git] / palacios / src / devices / cga.c
diff --git a/palacios/src/devices/cga.c b/palacios/src/devices/cga.c
index 665c455..3f137e6 100644 (file)
--- a/palacios/src/devices/cga.c
+++ b/palacios/src/devices/cga.c
@@ -70,6 +70,8 @@ struct video_internal {
     // so we need a temp variable to hold the partial update
     uint16_t tmp_screen_offset; 
     
+    struct vm_device * dev;
+
 
     uint8_t passthrough;
 
@@ -267,8 +269,7 @@ static int crtc_index_write(struct guest_info * core, uint16_t port, void * src,
                   port, port);
        return -1;
     }
-                  
-
+    
     video_state->crtc_index_reg = *(uint8_t *)src;
 
     // Only do the passthrough IO for the first byte
@@ -300,6 +301,7 @@ int v3_cons_get_fb(struct vm_device * frontend_dev, uint8_t * dst, uint_t offset
     V3_ASSERT(offset < SCREEN_SIZE);
     V3_ASSERT(length <= SCREEN_SIZE);
     V3_ASSERT(offset + length <= SCREEN_SIZE);
+
     memcpy(dst, state->framebuf + screen_byte_offset + offset, length);
 
     return 0;
@@ -307,15 +309,14 @@ int v3_cons_get_fb(struct vm_device * frontend_dev, uint8_t * dst, uint_t offset
 
 
 
-static int free_device(struct vm_device * dev) {
-    struct video_internal * video_state = (struct video_internal *)dev->private_data;
+static int free_cga(struct video_internal * video_state) {
 
     if (video_state->framebuf_pa) {
+       PrintError("Freeing framebuffer PA %p\n", (void *)(video_state->framebuf_pa));
        V3_FreePages((void *)(video_state->framebuf_pa), (FRAMEBUF_SIZE / 4096));
     }
 
-    v3_unhook_mem(dev->vm, V3_MEM_CORE_ANY, START_ADDR);
-
+    v3_unhook_mem(video_state->dev->vm, V3_MEM_CORE_ANY, START_ADDR);
 
     V3_Free(video_state);
 
@@ -324,26 +325,29 @@ static int free_device(struct vm_device * dev) {
 
 
 static struct v3_device_ops dev_ops = {
-    .free = free_device,
+    .free = (int (*)(void *))free_cga,
 };
 
 static int cga_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     struct video_internal * video_state = NULL;
     char * dev_id = v3_cfg_val(cfg, "ID");
     char * passthrough_str = v3_cfg_val(cfg, "passthrough");
+    int ret = 0;
     
     PrintDebug("video: init_device\n");
 
     video_state = (struct video_internal *)V3_Malloc(sizeof(struct video_internal));
     memset(video_state, 0, sizeof(struct video_internal));
 
-    struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, video_state);
+    struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, video_state);
 
-    if (v3_attach_device(vm, dev) == -1) {
+    if (dev == NULL) {
        PrintError("Could not attach device %s\n", dev_id);
        V3_Free(video_state);
        return -1;
     }
+  
+    video_state->dev = dev;
 
     video_state->framebuf_pa = (addr_t)V3_AllocPages(FRAMEBUF_SIZE / 4096);
     video_state->framebuf = V3_VAddr((void *)(video_state->framebuf_pa));
@@ -371,51 +375,56 @@ static int cga_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     }
 
 
-    v3_dev_hook_io(dev, 0x3b0, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3b1, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3b2, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3b3, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3b4, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3b5, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3b6, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3b7, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3b8, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3b9, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3ba, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3bb, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c0, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c1, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c2, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c3, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c4, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c5, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c6, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c7, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c8, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3c9, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3ca, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3cb, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3cc, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3cd, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3ce, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3cf, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3d0, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3d1, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3d2, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3d3, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3d4, &video_read_port, &crtc_index_write);
-    v3_dev_hook_io(dev, 0x3d5, &video_read_port, &crtc_data_write);
-    v3_dev_hook_io(dev, 0x3d6, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3d7, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3d8, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3d9, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3da, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3db, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3dc, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3dd, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3de, &video_read_port, &video_write_port);
-    v3_dev_hook_io(dev, 0x3df, &video_read_port, &video_write_port);
-
+    ret |= v3_dev_hook_io(dev, 0x3b0, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3b1, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3b2, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3b3, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3b4, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3b5, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3b6, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3b7, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3b8, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3b9, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3ba, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3bb, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c0, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c1, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c2, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c3, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c4, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c5, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c6, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c7, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c8, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3c9, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3ca, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3cb, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3cc, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3cd, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3ce, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3cf, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3d0, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3d1, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3d2, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3d3, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3d4, &video_read_port, &crtc_index_write);
+    ret |= v3_dev_hook_io(dev, 0x3d5, &video_read_port, &crtc_data_write);
+    ret |= v3_dev_hook_io(dev, 0x3d6, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3d7, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3d8, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3d9, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3da, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3db, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3dc, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3dd, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3de, &video_read_port, &video_write_port);
+    ret |= v3_dev_hook_io(dev, 0x3df, &video_read_port, &video_write_port);
+
+    if (ret != 0) {
+       PrintError("Error allocating cga io port\n");
+       v3_remove_device(dev);
+       return -1;
+    }
 
     return 0;
 }
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