liblitedram: create utils.c

Right now there are only `print_size` and `print_progress` functions
from memtest.c, but changed to use uint64_t.

Signed-off-by: Michal Sieron <msieron@antmicro.com>

litex/soc/software/liblitedram/Makefile

@@ -1,7 +1,7 @@
 include ../include/generated/variables.mak
 include $(SOC_DIRECTORY)/software/common.mak
 
-OBJECTS = sdram.o bist.o sdram_dbg.o sdram_spd.o
+OBJECTS = sdram.o bist.o sdram_dbg.o sdram_spd.o utils.o
 
 all: liblitedram.a
 

litex/soc/software/liblitedram/utils.c

@@ -0,0 +1,28 @@
+// This file is Copyright (c) 2023 Antmicro <www.antmicro.com>
+// License: BSD
+
+#include <stdio.h>
+
+#include <liblitedram/utils.h>
+
+#define KIB 1024
+#define MIB (KIB*1024)
+#define GIB (MIB*1024)
+
+void print_size(uint64_t size) {
+	if (size < KIB)
+		printf("%lluB", size);
+	else if (size < MIB)
+		printf("%llu.%lluKiB", size/KIB, (size/1   - KIB*(size/KIB))/(KIB/10));
+	else if (size < GIB)
+		printf("%llu.%lluMiB", size/MIB, (size/KIB - KIB*(size/MIB))/(KIB/10));
+	else
+		printf("%llu.%lluGiB", size/GIB, (size/MIB - KIB*(size/GIB))/(KIB/10));
+}
+
+void print_progress(const char * header, uint64_t origin, uint64_t size)
+{
+	printf("%s 0x%llx-0x%llx ", header, origin, origin + size);
+	print_size(size);
+	printf("   \r");
+}

litex/soc/software/liblitedram/utils.h

@@ -0,0 +1,12 @@
+// This file is Copyright (c) 2023 Antmicro <www.antmicro.com>
+// License: BSD
+
+#ifndef __SDRAM_UTILS_H
+#define __SDRAM_UTILS_H
+
+#include <stdint.h>
+
+void print_size(uint64_t size);
+void print_progress(const char * header, uint64_t origin, uint64_t size);
+
+#endif /* __SDRAM_UTILS_H */