colin
/
risc-v-tlm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Timer module test

This commit is contained in:
mariusmonton 2019-01-22 18:29:12 +01:00
parent e9ef03890f
commit d6f774eaea
4 changed files with 0 additions and 262558 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
tests/C/timer/Makefile.bak
View File

@ -1,58 +0,0 @@
TARGET = timer
TARGET_ARCH=riscv32
CC = riscv32-unknown-elf-gcc
# compiling flags here
CFLAGS = -Wall -I. -O0 -static -march=rv32imac -mabi=ilp32 --specs=nosys.specs
LINKER = riscv32-unknown-linux-gnu-gcc
# linking flags here
LDFLAGS = -I. --entry main -L/opt/riscv/riscv32-unknown-elf/lib/ -T ld_script.ld
LIBS = $(EXTRA_LIBS)
# change these to proper directories where each file should be
SRCDIR = ./
OBJDIR = .
BINDIR = ./
INCDIR = -I.
LIBDIR = -L.
SOURCES := $(wildcard $(SRCDIR)/*.c)
INCLUDES := $(wildcard $(INCDIR)/*.h)
OBJECTS := $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
#OBJECTS := main.o timerasm.o
rm = rm -f
$(BINDIR)/$(TARGET): $(OBJECTS)
# $(LINKER) $(OBJECTS) $(LDFLAGS) $(LIBS) $(LIBDIR) -o $@
riscv32-unknown-linux-gnu-objdump -d $< > dump
objcopy -Oihex $< $(TARGET).hex
# @echo "Linking complete!"
$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.c
@echo "Compiling "$<" ..."
# $(CC) $(CFLAGS) $(INCDIR) -c $< -o $@
$(CC) $(CFLAGS) $(INCDIR) $< -o $@
@echo "Done!"
$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.S
@echo "Assembling "$<" ..."
$(CC) $(CFLAGS) $(INCDIR) $< -o $@
echo "Done!"
.PHONY: clean
clean:
@$(rm) $(OBJECTS) *.hex dump
@echo "Cleanup complete!"
.PHONY: remove
remove: clean
@$(rm) $(BINDIR)/$(TARGET)
@echo "Executable removed!"

262381
tests/C/timer/log
View File

File diff suppressed because it is too large Load Diff

58
tests/C/timer/timer.bak
View File

@ -1,58 +0,0 @@
#include <stdio.h>
#define TIMER (*(uint32_t *)0x40004000)
#define TIMER_CMP (*(uint32_t *)0x40004008)
#define TRACE (*(unsigned char *)0x40000000)
volatile int ticks = 0;
int _write(int file, const char *ptr, int len) {
int x;
for (x = 0; x < len; x++) {
TRACE = *ptr++;
}
return (len);
}
void timer_ISR() {
ticks++;
}
void register_timer_isr() {
asm volatile("la t0, timer_ISR\n csrw mtvec, t0");
asm volatile("li t1, 0x888\ncsrw mie, t1");
}
int main(void) {
uint32_t timer_value;
uint32_t start_time;
register_timer_isr();
timer_value = TIMER;
printf("Time: %ld ns\n", timer_value);
timer_value = TIMER;
printf("Time: %ld ns\n", timer_value);
timer_value = TIMER;
printf("Time: %ld ns\n", timer_value);
timer_value = TIMER;
printf("Time: %ld ns\n", timer_value);
start_time = TIMER;
TIMER_CMP = start_time + 1000;
do {
timer_value = TIMER;
} while (timer_value < start_time + 50000);
asm volatile ("ecall");
printf("Timer: %ld ns\n", timer_value);
asm volatile ("ecall");
return 0;
}

61
tests/C/timer/timer.c.bak
View File

@ -1,61 +0,0 @@
#include <stdio.h>
#define TIMER (*(uint64_t *)0x40004000)
#define TIMER_CMP (*(uint64_t *)0x40004008)
#define TRACE (*(unsigned char *)0x40000000)
volatile int ticks = 0;
int _write(int file, const char *ptr, int len) {
int x;
for (x = 0; x < len; x++) {
TRACE = *ptr++;
}
return (len);
}
void timer_ISR() {
uint32_t timer_value;
ticks++;
// timer_value = TIMER;
// TIMER_CMP = timer_value + 1000;
}
void register_timer_isr() {
asm volatile("la t0, TIMER_CMP_INT \n csrw mtvec, t0");
asm volatile("li t1, 0x888 \n csrw mie, t1");
}
int main(void) {
uint32_t timer_value;
uint32_t start_time;
register_timer_isr();
start_time = TIMER;
TIMER_CMP = start_time + 10000;
printf("set timer to %ld ns\n", start_time + 10000);
do {
timer_value = TIMER;
} while (timer_value < start_time + 200000);
start_time = TIMER;
TIMER_CMP = start_time + 10000;
printf("set timer to %ld ns\n", start_time + 10000);
do {
timer_value = TIMER;
} while (timer_value < start_time + 200000);
printf("Timer: %ld ns\n", timer_value);
printf("ticks: %ld\n", ticks);
asm volatile ("ecall");
return 0;
}