trapslab initialized

Makefile

@@ -1,3 +1,4 @@
+
 # To compile and run with a lab solution, set the lab name in conf/lab.mk
 # (e.g., LAB=util).  Run make grade to test solution with the lab's
 # grade script (e.g., grade-lab-util).
@@ -84,7 +85,7 @@ LD = $(TOOLPREFIX)ld
 OBJCOPY = $(TOOLPREFIX)objcopy
 OBJDUMP = $(TOOLPREFIX)objdump
 
-CFLAGS = -Wall -Werror -O1 -fno-omit-frame-pointer -ggdb -gdwarf-2
+CFLAGS = -Wall -Werror -O -fno-omit-frame-pointer -ggdb -gdwarf-2
 
 ifdef LAB
 LABUPPER = $(shell echo $(LAB) | tr a-z A-Z)
@@ -237,16 +238,15 @@ $U/_uthread: $U/uthread.o $U/uthread_switch.o $(ULIB)
 	$(OBJDUMP) -S $U/_uthread > $U/uthread.asm
 
 ph: notxv6/ph.c
-	gcc -o ph -g -Ofast $(XCFLAGS) notxv6/ph.c -pthread
+	gcc -o ph -g -O2 $(XCFLAGS) notxv6/ph.c -pthread
 
 barrier: notxv6/barrier.c
-	gcc -o barrier -g -Ofast $(XCFLAGS) notxv6/barrier.c -pthread
+	gcc -o barrier -g -O2 $(XCFLAGS) notxv6/barrier.c -pthread
 endif
 
 ifeq ($(LAB),pgtbl)
 UPROGS += \
-	$U/_pgtbltest\
-	$U/_dirtypagestest
+	$U/_pgtbltest
 endif
 
 ifeq ($(LAB),lock)
@@ -343,7 +343,7 @@ grade:
 	@echo $(MAKE) clean
 	@$(MAKE) clean || \
           (echo "'make clean' failed.  HINT: Do you have another running instance of xv6?" && exit 1)
-	python3.12 ./grade-lab-$(LAB) $(GRADEFLAGS)
+	./grade-lab-$(LAB) $(GRADEFLAGS)
 
 ##
 ## FOR submissions