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optimized for size - reduces codesize by half

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This commit is contained in:
Markus Fröschle
2014-02-01 23:54:32 +00:00
parent 5e816bf649
commit be37299f97
2 changed files with 13 additions and 11 deletions
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22
BaS_gcc/Makefile
View File

@@ -32,7 +32,7 @@ NATIVECC=gcc
INCLUDE=-Iinclude
CFLAGS=-mcpu=5474 \
-Wall \
-g \
-Os \
-fomit-frame-pointer \
-ffreestanding \
-fleading-underscore \
@@ -190,15 +190,15 @@ define CC_TEMPLATE
#endif
# always optimize x86 emulator objects
$(1)/objs/x86decode.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86sys.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86debug.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86prim_ops.o:CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86ops.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86ops2.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86fpu.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86biosemu.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86pcibios.o: CFLAGS=$(CFLAGS_OPTIMIZED)
#$(1)/objs/x86decode.o: CFLAGS=$(CFLAGS_OPTIMIZED)
#$(1)/objs/x86sys.o: CFLAGS=$(CFLAGS_OPTIMIZED)
#$(1)/objs/x86debug.o: CFLAGS=$(CFLAGS_OPTIMIZED)
#$(1)/objs/x86prim_ops.o:CFLAGS=$(CFLAGS_OPTIMIZED)
#$(1)/objs/x86ops.o: CFLAGS=$(CFLAGS_OPTIMIZED)
#$(1)/objs/x86ops2.o: CFLAGS=$(CFLAGS_OPTIMIZED)
#$(1)/objs/x86fpu.o: CFLAGS=$(CFLAGS_OPTIMIZED)
#$(1)/objs/x86biosemu.o: CFLAGS=$(CFLAGS_OPTIMIZED)
#$(1)/objs/x86pcibios.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/%.o:%.c
$(CC) $$(CFLAGS) -D$$(MACHINE) $(INCLUDE) -c $$< -o $$@
@@ -249,7 +249,7 @@ define EX_TEMPLATE
$(1)_MAPFILE=$(1)/$$(basename $$(FLASH_EXEC)).map
$(1)/$$(FLASH_EXEC): $(1)/$(LIBBAS) $(LDCSRC)
$(CPP) $(INCLUDE) -DOBJDIR=$(1)/objs -P -DFORMAT_ELF=$(FORMAT_ELF) -D$$(MACHINE) $(LDCSRC) -o $(1)/$$(LDCFILE)
$(LD) -g --oformat $$(FORMAT) -Map $$($(1)_MAPFILE) --cref -T $(1)/$$(LDCFILE) -o $$@
$(LD) --oformat $$(FORMAT) -Map $$($(1)_MAPFILE) --cref -T $(1)/$$(LDCFILE) -o $$@
ifeq ($(COMPILE_ELF),Y)
$(OBJCOPY) -O srec $$@ $$(basename $$@).s19
else

2
BaS_gcc/sys/exceptions.S
View File

@@ -841,6 +841,7 @@ video_copy_data:
lea 15 * 4(sp),sp // adjust stack
#else
video_copy_data_loop:
move.l (a0)+,(a1)+ // copy video page contents to real screen
move.l (a0)+,(a1)+
@@ -867,6 +868,7 @@ video_copy_data_loop:
move.l d1,MCF_MMU_MMUDR
move.l d2,MCF_MMU_MMUOR // setzen vidoe maped to 60xxx only data
nop
video_chg_2page:
// test of adjacent page is needed also
move.l d3,d0