1 files changed, 98 insertions, 0 deletions
diff --git a/sim/sparc/dev32.c b/sim/sparc/dev32.c
new file mode 100644
index 0000000..52a47ae
--- /dev/null
+++ b/sim/sparc/dev32.c
@@ -0,0 +1,98 @@
+/* sparc device support
+   Copyright (C) 1999 Cygnus Solutions.  */
+
+#include "sim-main.h"
+#include "dev32.h"
+
+#ifdef HAVE_DV_SOCKSER
+#include "dv-sockser.h"
+#endif
+
+/* ??? At present this is to match erc32 so outbyte works.  */
+
+device sparc_devices;
+
+int
+device_io_read_buffer (device *me, void *source, int space,
+		       address_word addr, unsigned nr_bytes,
+		       SIM_CPU *cpu, sim_cia cia)
+{
+  SIM_DESC sd = CPU_STATE (cpu);
+
+  if (STATE_ENVIRONMENT (sd) != OPERATING_ENVIRONMENT)
+    return nr_bytes;
+
+#ifdef HAVE_DV_SOCKSER
+  if (addr == UART_INCHAR_ADDR)
+    {
+      int c = dv_sockser_read (sd);
+      if (c == -1)
+	return 0;
+      *(char *) source = c;
+      return 1;
+    }
+  if (addr == UART_STATUS_ADDR)
+    {
+      int status = dv_sockser_status (sd);
+      unsigned char *p = source;
+      p[0] = 0;
+      p[1] = (((status & DV_SOCKSER_INPUT_EMPTY)
+#ifdef UART_INPUT_READY0
+	       ? UART_INPUT_READY : 0)
+#else
+	       ? 0 : UART_INPUT_READY)
+#endif
+	      + ((status & DV_SOCKSER_OUTPUT_EMPTY) ? UART_OUTPUT_READY : 0));
+      return 2;
+    }
+#endif
+
+  /* erc32 compatibility */
+  if (addr == RXSTAT)
+    {
+      int Ucontrol = 0;
+      unsigned char *p = source;
+      Ucontrol |= 1;
+      Ucontrol |= 0x00060006;
+      SETTSI (p, Ucontrol);
+    }
+
+  return nr_bytes;
+}
+
+int
+device_io_write_buffer (device *me, const void *source, int space,
+			address_word addr, unsigned nr_bytes,
+			SIM_CPU *cpu, sim_cia cia)
+{
+  SIM_DESC sd = CPU_STATE (cpu);
+
+#if 0 && WITH_SCACHE
+  if (addr == MCCR_ADDR)
+    {
+      if ((*(const char *) source & MCCR_CP) != 0)
+	scache_flush (sd);
+      return nr_bytes;
+    }
+#endif
+
+  if (STATE_ENVIRONMENT (sd) != OPERATING_ENVIRONMENT)
+    return nr_bytes;
+
+#ifdef HAVE_DV_SOCKSER
+  if (addr == UART_OUTCHAR_ADDR)
+    {
+      int rc = dv_sockser_write (sd, *(char *) source);
+      return rc == 1;
+    }
+#endif
+
+  if (addr == RXADATA)
+    {
+      sim_io_printf (sd, "%c", GETTSI (source));
+    }
+
+  return nr_bytes;
+}
+
+void device_error () {}