Move to C++. Use C++14 as it adds binary literals -> HDL friendly.

hardware.cpp

@@ -0,0 +1,77 @@
+/*
+Copyright 2008, 2009 Jakub Bednarski
+
+This file is part of Minimig
+
+Minimig is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
+
+Minimig is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <ctype.h>
+#include <time.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdint.h>
+#include "hardware.h"
+#include "user_io.h"
+
+uint8_t rstval = 0;
+
+void hexdump(void *data, uint16_t size, uint16_t offset)
+{
+	uint8_t i, b2c;
+	uint16_t n = 0;
+	char *ptr = (char*)data;
+
+	if (!size) return;
+
+	while (size>0) {
+		printf("%04x: ", n + offset);
+
+		b2c = (size>16) ? 16 : size;
+		for (i = 0; i<b2c; i++) printf("%02x ", 0xff & ptr[i]);
+		printf("  ");
+		for (i = 0; i<(16 - b2c); i++) printf("   ");
+		for (i = 0; i<b2c; i++) printf("%c", isprint(ptr[i]) ? ptr[i] : '.');
+		printf("\n");
+		ptr += b2c;
+		size -= b2c;
+		n += b2c;
+	}
+}
+
+unsigned long GetTimer(unsigned long offset)
+{
+	struct timespec tp;
+
+  	clock_gettime(CLOCK_BOOTTIME, &tp);
+
+	uint64_t res;
+
+	res = tp.tv_sec;
+	res *= 1000;
+	res += (tp.tv_nsec / 1000000);
+
+	return (unsigned long)(res + offset);
+}
+
+unsigned long CheckTimer(unsigned long time)
+{
+	return GetTimer(0) >= time;
+}
+
+void WaitTimer(unsigned long time)
+{
+	time = GetTimer(time);
+	while (!CheckTimer(time));
+}