+#ifdef V3_CONFIG_CHECKPOINT
+
+#include <palacios/vmm_sprintf.h>
+
+static int serial_buffer_save(struct v3_chkpt_ctx * ctx, int port, struct serial_buffer *sb) {
+
+ char keyname[128];
+
+ snprintf(keyname,128,"COM%d_SB_HEAD", port);
+ V3_CHKPT_SAVE(ctx,keyname,sb->head,failout);
+ snprintf(keyname,128,"COM%d_SB_TAIL", port);
+ V3_CHKPT_SAVE(ctx,keyname,sb->tail,failout);
+ snprintf(keyname,128,"COM%d_SB_FULL", port);
+ V3_CHKPT_SAVE(ctx,keyname,sb->full,failout);
+ snprintf(keyname,128,"COM%d_SB_DATA", port);
+ V3_CHKPT_SAVE(ctx,keyname,sb->buffer,failout);
+
+ return 0;
+
+ failout:
+ PrintError("Failed to save serial buffer\n");
+ return -1;
+}
+
+
+static int serial_buffer_load(struct v3_chkpt_ctx * ctx, int port, struct serial_buffer *sb) {
+
+ char keyname[128];
+
+ snprintf(keyname,128,"COM%d_SB_HEAD", port);
+ V3_CHKPT_LOAD(ctx,keyname,sb->head,failout);
+ snprintf(keyname,128,"COM%d_SB_TAIL", port);
+ V3_CHKPT_LOAD(ctx,keyname,sb->tail,failout);
+ snprintf(keyname,128,"COM%d_SB_FULL", port);
+ V3_CHKPT_LOAD(ctx,keyname,sb->full,failout);
+ snprintf(keyname,128,"COM%d_SB_DATA", port);
+ V3_CHKPT_LOAD(ctx,keyname,sb->buffer,failout);
+
+ return 0;
+
+ failout:
+ PrintError("Failed to load serial buffer\n");
+ return -1;
+}
+
+static int serial_save(struct v3_chkpt_ctx * ctx, void * private_data) {
+ struct serial_state *state = (struct serial_state *)private_data;
+ struct serial_port *serial;
+ char keyname[128];
+ int i;
+
+ for (i=0;i<4;i++) {
+ serial = &(state->coms[i]);
+ snprintf(keyname, 128,"COM%d_RBR",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->rbr.data,failout);
+ snprintf(keyname, 128,"COM%d_THR",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->thr.data,failout);
+ snprintf(keyname, 128,"COM%d_IER",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->ier.val,failout);
+ snprintf(keyname, 128,"COM%d_IIR",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->iir.val,failout);
+ snprintf(keyname, 128,"COM%d_FCR",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->fcr.val,failout);
+ snprintf(keyname, 128,"COM%d_LCR",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->lcr.val,failout);
+ snprintf(keyname, 128,"COM%d_MCR",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->mcr.val,failout);
+ snprintf(keyname, 128,"COM%d_LSR",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->lsr.val,failout);
+ snprintf(keyname, 128,"COM%d_MSR",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->msr.val,failout);
+ snprintf(keyname, 128,"COM%d_SCR",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->scr.data,failout);
+ snprintf(keyname, 128,"COM%d_DLL",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->dll.data,failout);
+ snprintf(keyname, 128,"COM%d_DLM",i);
+ V3_CHKPT_SAVE(ctx, keyname, serial->dlm.data,failout);
+
+ if (serial_buffer_save(ctx, i, &(serial->tx_buffer))) {
+ PrintError("Failed to save serial tx buffer %d\n",i);
+ goto failout;
+ }
+
+ if (serial_buffer_save(ctx, i, &(serial->rx_buffer))) {
+ PrintError("Failed to save serial rx buffer %d\n",i);
+ goto failout;
+ }
+
+ V3_CHKPT_SAVE(ctx, keyname, serial->irq_number,failout);
+ }
+
+ return 0;
+
+ failout:
+ PrintError("Failed to save serial device\n");
+ return -1;
+
+}
+
+static int serial_load(struct v3_chkpt_ctx * ctx, void * private_data) {
+ struct serial_state *state = (struct serial_state *)private_data;
+ struct serial_port *serial;
+ char keyname[128];
+ int i;
+
+ for (i=0;i<4;i++) {
+ serial = &(state->coms[i]);
+ snprintf(keyname, 128,"COM%d_RBR",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->rbr.data,failout);
+ snprintf(keyname, 128,"COM%d_THR",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->thr.data,failout);
+ snprintf(keyname, 128,"COM%d_IER",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->ier.val,failout);
+ snprintf(keyname, 128,"COM%d_IIR",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->iir.val,failout);
+ snprintf(keyname, 128,"COM%d_FCR",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->fcr.val,failout);
+ snprintf(keyname, 128,"COM%d_LCR",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->lcr.val,failout);
+ snprintf(keyname, 128,"COM%d_MCR",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->mcr.val,failout);
+ snprintf(keyname, 128,"COM%d_LSR",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->lsr.val,failout);
+ snprintf(keyname, 128,"COM%d_MSR",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->msr.val,failout);
+ snprintf(keyname, 128,"COM%d_SCR",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->scr.data,failout);
+ snprintf(keyname, 128,"COM%d_DLL",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->dll.data,failout);
+ snprintf(keyname, 128,"COM%d_DLM",i);
+ V3_CHKPT_LOAD(ctx, keyname, serial->dlm.data,failout);
+
+ if (serial_buffer_load(ctx, i, &(serial->tx_buffer))) {
+ PrintError("Failed to load serial tx buffer %d\n",i);
+ goto failout;
+ }
+
+ if (serial_buffer_load(ctx, i, &(serial->rx_buffer))) {
+ PrintError("Failed to load serial rx buffer %d\n",i);
+ goto failout;
+ }
+
+ V3_CHKPT_LOAD(ctx, keyname, serial->irq_number,failout);
+ }
+
+ return 0;
+
+ failout:
+ PrintError("Failed to load serial device\n");
+ return -1;
+
+}
+
+#endif
static struct v3_device_ops dev_ops = {
.free = (int (*)(void *))serial_free,
+#ifdef V3_CONFIG_CHECKPOINT
+ .save = serial_save,
+ .load = serial_load
+#endif
};
