software: add memtest

diff --git a/software/memtest/Makefile b/software/memtest/Makefile
new file mode 100644 (file)
index 0000000..5647d32
--- /dev/null
+++ b/software/memtest/Makefile
@@ -0,0 +1,50 @@
+M2DIR=../..
+include $(M2DIR)/software/common.mak
+
+OBJECTS=isr.o main.o
+
+all: memtest.bin
+
+# pull in dependency info for *existing* .o files
+-include $(OBJECTS:.o=.d)
+
+%.bin: %.elf
+       $(OBJCOPY) -O binary $< $@
+       chmod -x $@
+
+memtest.elf: $(OBJECTS) libs
+
+%.elf:
+       $(LD) $(LDFLAGS) \
+               -T $(M2DIR)/software/libbase/linker-sdram.ld \
+               -N -o $@ \
+               $(M2DIR)/software/libbase/crt0.o \
+               $(OBJECTS) \
+               -L$(M2DIR)/software/libbase \
+               -L$(M2DIR)/software/libcompiler-rt \
+               -lbase -lcompiler-rt
+       chmod -x $@
+
+main.o: main.c
+       $(compile-dep)
+
+%.o: %.c
+       $(compile-dep)
+
+%.o: %.S
+       $(assemble)
+
+libs:
+       $(MAKE) -C $(M2DIR)/software/libcompiler-rt
+       $(MAKE) -C $(M2DIR)/software/libbase
+
+load: memtest.bin
+       $(MAKE) -C $(M2DIR)/tools
+       $(M2DIR)/tools/flterm --port /dev/ttyUSB0 --kernel memtest.bin
+
+
+clean:
+       $(RM) $(OBJECTS) $(OBJECTS:.o=.d) memtest.elf memtest.bin
+       $(RM) .*~ *~
+
+.PHONY: all main.o clean libs load

diff --git a/software/memtest/isr.c b/software/memtest/isr.c
new file mode 100644 (file)
index 0000000..36c4c7e
--- /dev/null
+++ b/software/memtest/isr.c
@@ -0,0 +1,14 @@
+#include <hw/csr.h>
+#include <irq.h>
+#include <uart.h>
+
+void isr(void);
+void isr(void)
+{
+       unsigned int irqs;
+       
+       irqs = irq_pending() & irq_getmask();
+       
+       if(irqs & (1 << UART_INTERRUPT))
+               uart_isr();
+}

diff --git a/software/memtest/main.c b/software/memtest/main.c
new file mode 100644 (file)
index 0000000..fd1f733
--- /dev/null
+++ b/software/memtest/main.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <irq.h>
+#include <uart.h>
+#include <time.h>
+#include <hw/csr.h>
+#include <hw/flags.h>
+#include <console.h>
+
+static void membw_service(void)
+{
+       static int last_event;
+       unsigned long long int nr, nw;
+       unsigned long long int f;
+       unsigned int rdb, wrb;
+
+       if(elapsed(&last_event, identifier_frequency_read())) {
+               lasmicon_bandwidth_update_write(1);
+               nr = lasmicon_bandwidth_nreads_read();
+               nw = lasmicon_bandwidth_nwrites_read();
+               f = identifier_frequency_read();
+               rdb = nr*f >> (24 - 7);
+               wrb = nw*f >> (24 - 7);
+               printf("read:%4dMbps  write:%4dMbps  all:%4dMbps\n", rdb/1000000, wrb/1000000, (rdb + wrb)/1000000);
+       }
+}
+
+int main(void)
+{
+       irq_setmask(0);
+       irq_setie(1);
+       uart_init();
+       
+       puts("Memory testing software built "__DATE__" "__TIME__"\n");
+       
+       time_init();
+
+       while(1) {
+               membw_service();
+       }
+       
+       return 0;
+}