X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fcurses_cons.c;h=9359ecc122a60100450a4c903938c1e4927c148a;hb=3b250574aa0961aea7cc3ac3ca65f3e76672b977;hp=b43d69b79f9141abfd2419604b1714bfa3000c64;hpb=124131ed42f201896d9b81c039ee3fffd0336e21;p=palacios.git diff --git a/palacios/src/devices/curses_cons.c b/palacios/src/devices/curses_cons.c index b43d69b..9359ecc 100644 --- a/palacios/src/devices/curses_cons.c +++ b/palacios/src/devices/curses_cons.c @@ -38,8 +38,7 @@ #define SCREEN_SIZE (BYTES_PER_ROW * NUM_ROWS) -struct cons_state -{ +struct cons_state { v3_console_t cons; struct vm_device * frontend_dev; }; @@ -52,9 +51,14 @@ static int cursor_update(uint_t x, uint_t y, void *private_data) { struct vm_device *dev = (struct vm_device *) private_data; struct cons_state *state = (struct cons_state *) dev->private_data; - uint_t offset = (x * BYTES_PER_COL) + (y * BYTES_PER_ROW); + uint_t offset; uint_t last_x, last_y; + /* avoid out-of-range coordinates */ + if (x >= NUM_COLS) x = NUM_COLS - 1; + if (y >= NUM_ROWS) y = NUM_ROWS - 1; + offset = (x * BYTES_PER_COL) + (y * BYTES_PER_ROW); + /* unfortunately Palacios sometimes misses some writes, * but if they are accompanied by a cursor move we may be able to * detect this @@ -83,8 +87,8 @@ static int cursor_update(uint_t x, uint_t y, void *private_data) } static int screen_update(uint_t x, uint_t y, uint_t length, void * private_data) { - struct vm_device *dev = (struct vm_device *)private_data; - struct cons_state *state = (struct cons_state *)dev->private_data; + struct vm_device * dev = (struct vm_device *)private_data; + struct cons_state * state = (struct cons_state *)dev->private_data; uint_t offset = (x * BYTES_PER_COL) + (y * BYTES_PER_ROW); uint8_t fb_buf[length]; int i; @@ -156,6 +160,27 @@ static int scroll(int rows, void * private_data) { return 0; } + +static int cons_free(struct vm_device * dev) { + struct cons_state * state = (struct cons_state *)dev->private_data; + + v3_console_close(state->cons); + + // remove host event + + V3_Free(state); + + return 0; +} + +static int console_event_handler(struct v3_vm_info * vm, + struct v3_console_event * evt, + void * priv_data) { + screen_update(0, 0, SCREEN_SIZE, priv_data); + + return 0; +} + static struct v3_console_ops cons_ops = { .update_screen = screen_update, .update_cursor = cursor_update, @@ -163,10 +188,7 @@ static struct v3_console_ops cons_ops = { }; static struct v3_device_ops dev_ops = { - .free = NULL, - .reset = NULL, - .start = NULL, - .stop = NULL, + .free = cons_free, }; static int cons_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) @@ -190,7 +212,7 @@ static int cons_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) state->frontend_dev = frontend; /* open tty for screen display */ - state->cons = v3_console_open(vm); + state->cons = v3_console_open(vm, NUM_COLS, NUM_ROWS); if (!state->cons) { PrintError("Could not open console\n"); @@ -212,6 +234,8 @@ static int cons_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) /* attach to front-end display adapter */ v3_console_register_cga(frontend, &cons_ops, dev); + v3_hook_host_event(vm, HOST_CONSOLE_EVT, V3_HOST_EVENT_HANDLER(console_event_handler), dev); + return 0; }