2009-04-22 Anthony Green <green@moxielogic.com>

        * configure.in: Add moxie support.
        * configure: Regenerate.
        * moxie/aclocal.m4, moxie/configure, moxie/configure.in,
        moxie/crt0.S, moxie/fstat.c, moxie/getpid.c, isatty.c,
        moxie/kill.c, moxie/Makefile.in, moxie/moxie-elf-common.ld,
        moxie/print.c, moxie/putnum.c, moxie/qemu.ld, moxie/qemu-time.c,
        moxie/qemu-write.c, moxie/sbrk.c, moxie/sim-close.S,
        moxie/sim-exit.S,
        moxie/sim-inbyte.c, moxie/sim.ld, moxie/sim-lseek.c,
        moxie/sim-lseek.S, moxie/sim-open.S, moxie/sim-read.S, moxie/sim-time.c,
        moxie/sim-unlink.S, moxie/sim-write.S, moxie/stat.c: New files.

1 files changed, 116 insertions, 0 deletions

diff --git a/libgloss/moxie/qemu-time.c b/libgloss/moxie/qemu-time.c
new file mode 100644
index 000000000..4b0920994
--- /dev/null
+++ b/libgloss/moxie/qemu-time.c
@@ -0,0 +1,116 @@
+/* qemu-time.c -- stubs so clock can be linked in.
+ *
+ * Copyright (c) 2008 Anthony Green
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+#include <errno.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/times.h>
+#include "glue.h"
+
+/* This is the base address of the mc146818 RTC i/o port. */
+#define RTC_PORT 0x400
+
+#define RTC_SECONDS             0x00
+#define RTC_SECONDS_ALARM       0x01
+#define RTC_MINUTES             0x02
+#define RTC_MINUTES_ALARM       0x03
+#define RTC_HOURS               0x04
+#define RTC_HOURS_ALARM         0x05
+#define RTC_DAY_OF_WEEK         0x06
+#define RTC_DATE_OF_MONTH       0x07
+#define RTC_MONTH               0x08
+#define RTC_YEAR                0x09
+#define RTC_CONFIG_A            0x0A
+#define RTC_CONFIG_B            0x0B
+#define RTC_CONFIG_C            0x0C
+#define RTC_CONFIG_D            0x0D
+
+/*
+ * _times -- FIXME
+ */
+int
+_DEFUN (_times, _times (buf),
+	struct tms *buf)
+{
+  errno = EINVAL;
+  return (-1);
+}
+
+/* Read a value from the RTC port.  */
+static unsigned char 
+rtc_read (unsigned char reg)
+{
+  *(volatile unsigned char *)(RTC_PORT) = reg;
+  return *(volatile unsigned char *)(RTC_PORT + 1);
+}
+
+/* Write a value to the RTC port.  */
+static void 
+rtc_write (unsigned char reg, unsigned char val)
+{
+  *(volatile unsigned char *)(RTC_PORT) = reg;
+  *(volatile unsigned char *)(RTC_PORT + 1) = val;
+}
+
+/* Convert BCD to Decimal.  */
+#define BCD2DEC(BYTE) ((((BYTE >> 4) & 0xF) * 10) + (BYTE & 0xF))
+
+/*
+ * time -- return current time in seconds.
+ */
+time_t
+_DEFUN (time, time (t),
+	time_t *t)
+{
+  struct tm tm;
+  time_t ret;
+
+  tm.tm_sec = BCD2DEC(rtc_read(RTC_SECONDS));
+  tm.tm_min = BCD2DEC(rtc_read(RTC_MINUTES));
+  tm.tm_hour = BCD2DEC(rtc_read(RTC_HOURS));
+  tm.tm_wday = BCD2DEC(rtc_read(RTC_DAY_OF_WEEK)) - 1;
+  tm.tm_mday = BCD2DEC(rtc_read(RTC_DATE_OF_MONTH));
+  tm.tm_mon = BCD2DEC(rtc_read(RTC_MONTH)) - 1;
+  tm.tm_year = BCD2DEC(rtc_read(RTC_YEAR)) + 100;
+
+  /* FIXME.  Not really sure how to handle this.  */
+  tm.tm_isdst = 1;
+
+  ret = mktime(&tm);
+
+  if (t)
+    *t = ret;
+
+  return ret;
+}
+
+/*
+ * _gettimeofday -- implement in terms of time, which means we can't
+ * return the microseconds.
+ */
+int
+_DEFUN (_gettimeofday, _gettimeofday (tv, tz),
+	struct timeval *tv _AND
+	void *tzvp)
+{
+  struct timezone *tz = tzvp;
+  struct tm tm;
+  if (tz)
+    tz->tz_minuteswest = tz->tz_dsttime = 0;
+
+  tv->tv_usec = 0;
+  tv->tv_sec = time(0);
+
+  return 0;
+}