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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 077c31b085
commit 7d5e9c71ff
2 changed files with 13 additions and 11 deletions
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22
BaS_gcc/Makefile
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@@ -32,7 +32,7 @@ NATIVECC=gcc
INCLUDE=-Iinclude INCLUDE=-Iinclude
CFLAGS=-mcpu=5474 \ CFLAGS=-mcpu=5474 \
-Wall \ -Wall \
-g \ -Os \
-fomit-frame-pointer \ -fomit-frame-pointer \
-ffreestanding \ -ffreestanding \
-fleading-underscore \ -fleading-underscore \
@@ -190,15 +190,15 @@ define CC_TEMPLATE
#endif #endif
# always optimize x86 emulator objects # always optimize x86 emulator objects
$(1)/objs/x86decode.o: CFLAGS=$(CFLAGS_OPTIMIZED) #$(1)/objs/x86decode.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86sys.o: CFLAGS=$(CFLAGS_OPTIMIZED) #$(1)/objs/x86sys.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86debug.o: CFLAGS=$(CFLAGS_OPTIMIZED) #$(1)/objs/x86debug.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86prim_ops.o:CFLAGS=$(CFLAGS_OPTIMIZED) #$(1)/objs/x86prim_ops.o:CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86ops.o: CFLAGS=$(CFLAGS_OPTIMIZED) #$(1)/objs/x86ops.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86ops2.o: CFLAGS=$(CFLAGS_OPTIMIZED) #$(1)/objs/x86ops2.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86fpu.o: CFLAGS=$(CFLAGS_OPTIMIZED) #$(1)/objs/x86fpu.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86biosemu.o: CFLAGS=$(CFLAGS_OPTIMIZED) #$(1)/objs/x86biosemu.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/x86pcibios.o: CFLAGS=$(CFLAGS_OPTIMIZED) #$(1)/objs/x86pcibios.o: CFLAGS=$(CFLAGS_OPTIMIZED)
$(1)/objs/%.o:%.c $(1)/objs/%.o:%.c
$(CC) $$(CFLAGS) -D$$(MACHINE) $(INCLUDE) -c $$< -o $$@ $(CC) $$(CFLAGS) -D$$(MACHINE) $(INCLUDE) -c $$< -o $$@
@@ -249,7 +249,7 @@ define EX_TEMPLATE
$(1)_MAPFILE=$(1)/$$(basename $$(FLASH_EXEC)).map $(1)_MAPFILE=$(1)/$$(basename $$(FLASH_EXEC)).map
$(1)/$$(FLASH_EXEC): $(1)/$(LIBBAS) $(LDCSRC) $(1)/$$(FLASH_EXEC): $(1)/$(LIBBAS) $(LDCSRC)
$(CPP) $(INCLUDE) -DOBJDIR=$(1)/objs -P -DFORMAT_ELF=$(FORMAT_ELF) -D$$(MACHINE) $(LDCSRC) -o $(1)/$$(LDCFILE) $(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 ($(COMPILE_ELF),Y) ifeq ($(COMPILE_ELF),Y)
$(OBJCOPY) -O srec $$@ $$(basename $$@).s19 $(OBJCOPY) -O srec $$@ $$(basename $$@).s19
else else

2
BaS_gcc/sys/exceptions.S
View File

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