Move source files to top-level src directory

1 files changed, 42 insertions, 0 deletions

diff --git a/src/utils.cc b/src/utils.cc
new file mode 100644
index 0000000..e12a0e0
--- /dev/null
+++ b/src/utils.cc
@@ -0,0 +1,42 @@
+#include "utils.h"
+#include "definitions.h"
+#include <cstdarg>
+#include <string>
+#include <vector>
+
+void get_cache_fields(int address, int *tag, int *index, int *offset)
+{
+	*tag = GET_MID_BITS(address, L1_CACHE_LINE_SPEC + LINE_SPEC, MEM_WORD_SPEC);
+	*index = GET_MID_BITS(address, LINE_SPEC, L1_CACHE_LINE_SPEC + LINE_SPEC);
+	*offset = GET_LS_BITS(address, LINE_SPEC);
+}
+
+const std::string string_format(const char *const zcFormat, ...)
+{
+	va_list vaArgs;
+	va_start(vaArgs, zcFormat);
+
+	va_list vaArgsCopy;
+	va_copy(vaArgsCopy, vaArgs);
+	const int iLen = std::vsnprintf(NULL, 0, zcFormat, vaArgsCopy);
+	va_end(vaArgsCopy);
+
+	std::vector<char> zc(iLen + 1);
+	std::vsnprintf(zc.data(), zc.size(), zcFormat, vaArgs);
+	va_end(vaArgs);
+	return std::string(zc.data(), iLen);
+}
+
+int wrap_address(int address)
+{
+	if (address < 0) {
+		return ((address % MEM_WORDS) + MEM_WORDS) % MEM_WORDS;
+	}
+	return address % MEM_WORDS;
+}
+
+void get_memory_index(int address, int &line, int &word)
+{
+	line = wrap_address(address) / LINE_SIZE;
+	word = address % LINE_SIZE;
+}