re-enable -O2 for au_base.c; update makefile.

makefile

@@ -7,12 +7,6 @@ VERSION ?= $(shell git describe --tags)
 
 INCLUDES := -I./mpxplay -I./sbemu
 DEFINES := -D__DOS__ -DSBEMU -DDEBUG=$(DEBUG) -DMAIN_SBEMU_VER=\"$(VERSION)\"
-#CFLAGS := -fcommon -march=i386 -Os -flto -Wno-attributes $(INCLUDES) $(DEFINES)
-AU_BASE_CFLAGS := -fcommon -march=i386 -Os -flto  $(INCLUDES) $(DEFINES)
-AU_CFLAGS := -fcommon -march=i386 -O2 -flto $(INCLUDES) $(DEFINES)
-SC_CFLAGS := -fcommon -march=i386 -O2 -flto $(INCLUDES) $(DEFINES)
-MPXPLAY_CFLAGS := -fcommon -march=i386 -O2 -flto $(INCLUDES) $(DEFINES)
-SBEMU_CFLAGS := -fcommon -march=i386 -O2 -flto $(INCLUDES) $(DEFINES)
 CFLAGS := -fcommon -march=i386 -O2 -flto $(INCLUDES) $(DEFINES)
 LDFLAGS := -lstdc++ -lm -Wno-attributes
 
@@ -80,31 +74,6 @@ $(TARGET): $(OBJS)
 	$(SILENTMSG) "LINK\t$@\n"
 	$(SILENTCMD)$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
 
-output/mpxplay/au_cards/sc_%.o: mpxplay/au_cards/sc_%.c
-	@mkdir -p $(dir $@)
-	$(SILENTMSG) "CC\t$@\n"
-	$(SILENTCMD)$(CC) $(SC_CFLAGS) -c $< -o $@
-
-output/mpxplay/au_cards/au_base.o: mpxplay/au_cards/au_base.c
-	@mkdir -p $(dir $@)
-	$(SILENTMSG) "CC\t$@\n"
-	$(CC) $(AU_BASE_CFLAGS) -c $< -o $@
-
-output/mpxplay/au_cards/au_%.o: mpxplay/au_cards/au_%.c
-	@mkdir -p $(dir $@)
-	$(SILENTMSG) "CC\t$@\n"
-	$(SILENTCMD)$(CC) $(AU_CFLAGS) -c $< -o $@
-
-output/mpxplay/%.o: mpxplay/%.c
-	@mkdir -p $(dir $@)
-	$(SILENTMSG) "CC\t$@\n"
-	$(SILENTCMD)$(CC) $(MPXPLAY_CFLAGS) -c $< -o $@
-
-output/sbemu/%.o: sbemu/%.c
-	@mkdir -p $(dir $@)
-	$(SILENTMSG) "CC\t$@\n"
-	$(SILENTCMD)$(CC) $(SBEMU_CFLAGS) -c $< -o $@
-
 output/%.o: %.c
 	@mkdir -p $(dir $@)
 	$(SILENTMSG) "CC\t$@\n"

mpxplay/au_cards/au_base.c

@@ -195,9 +195,11 @@ unsigned long pds_dpmi_map_physical_memory(unsigned long phys_addr,unsigned long
     physicalmaps[i] = info;
     unsigned long newlimit = info.address + memsize - 1;
     newlimit = ((newlimit+1+0xFFF)&~0xFFF)-1;//__dpmi_set_segment_limit need page aligned
+    int intr = disable();
     __dpmi_set_segment_limit(_my_ds(), max(limit, newlimit));
     __dpmi_set_segment_limit(__djgpp_ds_alias, max(limit, newlimit));
     __djgpp_selector_limit = max(limit, newlimit);
+    if (intr) enable();
     return info.address;
  }
  return 0;