u-boot: add a few comments

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2010-05-31 19:34:27 +02:00
parent 4a587b12eb
commit 6db01c1b30

View File

@ -108,6 +108,7 @@ endif
endif # BR2_TARGET_UBOOT_NETWORK
touch $@
# Build U-Boot itself
$(U_BOOT_DIR)/$(U_BOOT_BIN): $(U_BOOT_DIR)/.header_modified
$(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(TARGET_CFLAGS)" \
@ -116,6 +117,7 @@ $(U_BOOT_DIR)/$(U_BOOT_BIN): $(U_BOOT_DIR)/.header_modified
$(MAKE) CROSS_COMPILE="$(TARGET_CROSS)" ARCH=$(U_BOOT_ARCH) \
-C $(U_BOOT_DIR)
# Copy the result to the images/ directory
$(BINARIES_DIR)/$(U_BOOT_BIN): $(U_BOOT_DIR)/$(U_BOOT_BIN)
rm -f $(BINARIES_DIR)/$(U_BOOT_BIN)
cp -dpf $(U_BOOT_DIR)/$(U_BOOT_BIN) $(BINARIES_DIR)/
@ -129,6 +131,7 @@ $(MKIMAGE): $(U_BOOT_DIR)/.patched
$(MAKE) -C $(U_BOOT_DIR) tools
cp -dpf $(U_BOOT_DIR)/tools/mkimage $(@D)
# Build manually mkimage for the target
$(TARGET_DIR)/usr/bin/mkimage: $(U_BOOT_DIR)/.configured
mkdir -p $(@D)
$(TARGET_CC) -I$(U_BOOT_DIR)/include -I$(U_BOOT_DIR)/tools \
@ -142,6 +145,7 @@ $(TARGET_DIR)/usr/bin/mkimage: $(U_BOOT_DIR)/.configured
$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $@
# Build manually fw_printenv for the target
$(TARGET_DIR)/usr/sbin/fw_printenv: $(U_BOOT_DIR)/.configured
mkdir -p $(@D)
$(TARGET_CC) -I$(U_BOOT_DIR)/include -I$(LINUX_HEADERS_DIR)/include \