correct all warning

Makefile

@@ -16,7 +16,7 @@ dir_build := build
dir_out := out

ARCH := -march=armv4t -mtune=arm7tdmi -mthumb -mthumb-interwork
CFLAGS = $(ARCH) -Os -nostdlib -ffunction-sections -fdata-sections -fomit-frame-pointer -fno-inline -std=gnu11# -Wall
CFLAGS = $(ARCH) -Os -nostdlib -ffunction-sections -fdata-sections -fomit-frame-pointer -fno-inline -fno-builtin -std=gnu11# -Wall
LDFLAGS = $(ARCH) -nostartfiles -lgcc -Wl,--nmagic,--gc-sections

objects =	$(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
@@ -32,6 +32,7 @@ all: $(dir_out)/$(name).bin

.PHONY: clean
clean:
	@echo "clean ..."
	@rm -rf $(dir_build)
	@rm -rf $(dir_out)

@@ -51,4 +52,4 @@ $(dir_build)/%.o: $(dir_source)/%.c

$(dir_build)/%.o: $(dir_source)/%.s
	@mkdir -p "$(@D)"
	$(CC) $(CFLAGS) -c $< -o $@
	$(CC) $(CFLAGS) -c $< -o $@

src/firmware.c

@@ -67,7 +67,7 @@ void drawSplash() {
pk11_offs *pkg11_offsentify(u8 *pkg1) {
    for (u32 i = 0; _pk11_offs[i].id; i++)
        if (!memcmp(pkg1 + 0x10, _pk11_offs[i].id, 12))
            return &_pk11_offs[i];
            return (pk11_offs *)&_pk11_offs[i];
    return NULL;
}

src/hwinit/util.c

@@ -57,7 +57,7 @@ void exec_cfg(u32 *base, const cfg_op_t *ops, u32 num_ops)

uPtr memsearch(const u8 *startPos, u32 searchSize, const void *pattern, u32 patternSize) {
    if(!searchSize) return 0;
    for (void *pos = startPos; pos <= startPos + searchSize - patternSize; pos++) {
    for (u8 *pos = (u8 *)startPos; pos <= startPos + searchSize - patternSize; pos++) {
        if (memcmp(pos, pattern, patternSize) == 0) return (uPtr)pos;
    }
    return 0;

src/start.s

@@ -87,4 +87,4 @@ rebootRCM:
	LDR     R1, [R2]
	ORRS    R3, R1
	MOVS    R0, #0
	STR     R3, [R2]
	STR     R3, [R2]