X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fbochs_debug.c;h=339999de341c695b85288e05761df56f83f9d409;hb=7e99758f3884f8f3d3f8895d9e4461f456331483;hp=c4999f7dbaff9dc9ac04ba430894cdd762633215;hpb=97f4e32a34233946b20aa61521723a07df4db1a8;p=palacios.git diff --git a/palacios/src/devices/bochs_debug.c b/palacios/src/devices/bochs_debug.c index c4999f7..339999d 100644 --- a/palacios/src/devices/bochs_debug.c +++ b/palacios/src/devices/bochs_debug.c @@ -21,6 +21,7 @@ #include #include +#include #define BUF_SIZE 1024 @@ -43,8 +44,8 @@ struct debug_state { uint_t cons_offset; }; -static int handle_info_write(struct guest_info * core, 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; @@ -58,8 +59,8 @@ static int handle_info_write(struct guest_info * core, ushort_t port, void * src } -static int handle_debug_write(struct guest_info * core, 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; @@ -73,8 +74,8 @@ static int handle_debug_write(struct guest_info * core, ushort_t port, void * sr } -static int handle_console_write(struct guest_info * core, 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_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; @@ -88,8 +89,8 @@ static int handle_console_write(struct guest_info * core, ushort_t port, void * } -static int handle_gen_write(struct guest_info * core, ushort_t port, void * src, uint_t length, struct vm_device * dev) { - +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); @@ -112,12 +113,9 @@ static int handle_gen_write(struct guest_info * core, ushort_t port, void * src, -static int debug_free(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); +static int debug_free(struct debug_state * state) { + V3_Free(state); return 0; }; @@ -125,10 +123,8 @@ static int debug_free(struct vm_device * dev) { static struct v3_device_ops dev_ops = { - .free = debug_free, - .reset = NULL, - .start = NULL, - .stop = NULL, + .free = (int (*)(void *))debug_free, + }; @@ -137,16 +133,21 @@ static struct v3_device_ops dev_ops = { 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 * dev = v3_allocate_device(dev_id, &dev_ops, state); + struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, state); - if (v3_attach_device(vm, dev) == -1) { + if (dev == NULL) { PrintError("Could not attach device %s\n", dev_id); + V3_Free(state); return -1; } @@ -158,12 +159,17 @@ static int debug_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { memset(state->cons_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_CONSOLE_PORT, NULL, &handle_console_write); + 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; }