X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fbochs_debug.c;h=4c1ab08546a61b12197a1839929500fd343f66da;hp=b834ba30e77231381cf12eb196fa9126aa4fd904;hb=123a1ba27ea09c8fa77a1b36ce625b43d7c48b14;hpb=4bc3ee757b44d3e466fd89e348106c47fa5511ee diff --git a/palacios/src/devices/bochs_debug.c b/palacios/src/devices/bochs_debug.c index b834ba3..4c1ab08 100644 --- a/palacios/src/devices/bochs_debug.c +++ b/palacios/src/devices/bochs_debug.c @@ -18,8 +18,9 @@ */ -#include + #include +#include #define BUF_SIZE 1024 @@ -28,6 +29,7 @@ #define BOCHS_INFO_PORT 0x402 #define BOCHS_DEBUG_PORT 0x403 +#define BOCHS_CONSOLE_PORT 0xe9 struct debug_state { @@ -36,6 +38,9 @@ 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) { @@ -68,6 +73,21 @@ static int handle_debug_write(ushort_t port, void * src, uint_t length, struct v } +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) { @@ -90,24 +110,9 @@ 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); - 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) { +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); @@ -119,26 +124,47 @@ static int debug_deinit(struct vm_device * dev) { -static struct vm_device_ops dev_ops = { - .init = debug_init, - .deinit = debug_deinit, +static struct v3_device_ops dev_ops = { + .free = debug_free, .reset = NULL, .start = NULL, .stop = NULL, }; -struct vm_device * v3_create_bochs_debug() { + + +static int debug_init(struct guest_info * vm, v3_cfg_tree_t * cfg) { struct debug_state * state = NULL; + char * name = v3_cfg_val(cfg, "name"); state = (struct debug_state *)V3_Malloc(sizeof(struct debug_state)); V3_ASSERT(state != NULL); PrintDebug("Creating Bochs Debug Device\n"); - struct vm_device * device = v3_create_device("BOCHS Debug", &dev_ops, state); + struct vm_device * dev = v3_allocate_device(name, &dev_ops, state); + + if (v3_attach_device(vm, dev) == -1) { + PrintError("Could not attach device %s\n", name); + return -1; + } + state->debug_offset = 0; + state->info_offset = 0; + memset(state->debug_buf, 0, BUF_SIZE); + memset(state->info_buf, 0, BUF_SIZE); - return device; + 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; } + + +device_register("BOCHS_DEBUG", debug_init);