add simple cache benchmark application

7 files changed, 45 insertions, 22 deletions

diff --git a/src/arch/esp8266/Makefile.inc b/src/arch/esp8266/Makefile.inc
index 3b1c8cb..0484985 100644
--- a/src/arch/esp8266/Makefile.inc
+++ b/src/arch/esp8266/Makefile.inc
@@ -46,4 +46,7 @@ arch_clean:
 	rm -f ${OBJECTS}
 	rm -f build/system.ar
 
-.PHONY: arch_clean program
+monitor:
+	screen /dev/ttyUSB0 115200
+
+.PHONY: arch_clean monitor program
diff --git a/src/arch/esp8266/driver/uptime.cc b/src/arch/esp8266/driver/uptime.cc
index 51cc617..388edb6 100644
--- a/src/arch/esp8266/driver/uptime.cc
+++ b/src/arch/esp8266/driver/uptime.cc
@@ -1,12 +1,3 @@
 #include "driver/uptime.h"
-extern "C" {
-#include "osapi.h"
-#include "user_interface.h"
-}
-
-uint32_t Uptime::get()
-{
-	return system_get_time();
-}
 
 Uptime uptime;
diff --git a/src/arch/msp430fr5969lp/Makefile.inc b/src/arch/msp430fr5969lp/Makefile.inc
index 81c8fdf..36d19c6 100644
--- a/src/arch/msp430fr5969lp/Makefile.inc
+++ b/src/arch/msp430fr5969lp/Makefile.inc
@@ -35,4 +35,7 @@ arch_clean:
 	rm -f ${OBJECTS}
 	rm -f build/system.hex
 
-.PHONY: arch_clean program
+monitor:
+	screen /dev/ttyACM1 115200
+
+.PHONY: arch_clean monitor program
diff --git a/src/arch/msp430fr5969lp/arch.cc b/src/arch/msp430fr5969lp/arch.cc
index be821a6..44a22c6 100644
--- a/src/arch/msp430fr5969lp/arch.cc
+++ b/src/arch/msp430fr5969lp/arch.cc
@@ -38,13 +38,14 @@ void Arch::setup(void)
 	__delay_cycles(1000000);
 #endif
 
+#ifdef TIMER_US
 	// 16MHz/16 -> ~1MHz timer
 	TA0CTL = TASSEL__SMCLK | ID__8 | MC__CONTINUOUS;
 	TA0EX0 = 1;
 	TA0CTL |= TACLR;
+#endif
 
-#ifdef WITH_LOOP
-
+#if defined(WITH_LOOP) || defined(TIMER_S)
 	// 1s per wakeup for loop
 	TA1CTL = TASSEL__ACLK | ID__8 | MC__UP;
 	TA1EX0 = 0;
@@ -52,6 +53,12 @@ void Arch::setup(void)
 	TA1CTL |= TACLR | TAIE;
 #endif
 
+#ifdef TIMER_CYCLES
+	TA2CTL = TASSEL__SMCLK | ID__1 | MC__CONTINUOUS;
+	TA2EX0 = 0;
+	TA2CTL |= TACLR;
+#endif
+
 	//P1OUT = 0;
 	//P4OUT = 0;
 }
@@ -64,14 +71,20 @@ void Arch::idle_loop(void)
 
 Arch arch;
 
-#ifdef WITH_LOOP
+#if defined(WITH_LOOP) || defined(TIMER_S)
 
+#include "driver/uptime.h"
 extern void loop();
 
 __attribute__((interrupt(TIMER1_A1_VECTOR))) __attribute__((wakeup)) void handle_timer0_overflow()
 {
 	if (TA1IV == 0x0e) {
+#ifdef WITH_LOOP
 		loop();
+#endif
+#ifdef TIMER_S
+		uptime.tick_s();
+#endif
 	}
 }
 
diff --git a/src/arch/msp430fr5969lp/driver/uptime.cc b/src/arch/msp430fr5969lp/driver/uptime.cc
index 6d16441..05154f9 100644
--- a/src/arch/msp430fr5969lp/driver/uptime.cc
+++ b/src/arch/msp430fr5969lp/driver/uptime.cc
@@ -1,9 +1,4 @@
 #include "driver/uptime.h"
 #include <msp430.h>
 
-uint32_t Uptime::get()
-{
-	return TA0R;
-}
-
 Uptime uptime;
diff --git a/src/arch/posix/Makefile.inc b/src/arch/posix/Makefile.inc
index 7553fd4..03b6f67 100644
--- a/src/arch/posix/Makefile.inc
+++ b/src/arch/posix/Makefile.inc
@@ -19,7 +19,11 @@ build/system.elf: ${OBJECTS}
 run: build/system.elf
 	build/system.elf
 
+monitor: run
+
+program: run
+
 arch_clean:
 	rm -f ${OBJECTS}
 
-.PHONY: arch_clean program
+.PHONY: arch_clean monitor program run
diff --git a/src/arch/posix/driver/uptime.cc b/src/arch/posix/driver/uptime.cc
index 040b51c..00b1d34 100644
--- a/src/arch/posix/driver/uptime.cc
+++ b/src/arch/posix/driver/uptime.cc
@@ -1,11 +1,25 @@
 #include "driver/uptime.h"
 #include <time.h>
 
-uint64_t Uptime::get()
+uint64_t Uptime::get_s()
 {
 	struct timespec ts;
 	clock_gettime(CLOCK_REALTIME, &ts);
-	return (uint64_t)ts.tv_nsec + (1000000ULL * ((uint64_t)ts.tv_sec % 256));
+	return ts.tv_sec;
+}
+
+uint64_t Uptime::get_us()
+{
+	struct timespec ts;
+	clock_gettime(CLOCK_REALTIME, &ts);
+	return ts.tv_nsec / 1000;
+}
+
+uint64_t Uptime::get_cycles()
+{
+	struct timespec ts;
+	clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
+	return ts.tv_nsec;
 }
 
 Uptime uptime;