u-boot ofnode_pro_reloc函数
函数位置在dirver/core/ofnode.c文件
bool ofnode_pre_reloc(ofnode node) { #if defined(CONFIG_SPL_BUILD) || defined(CONFIG_TPL_BUILD) /* for SPL and TPL the remaining nodes after the fdtgrep 1st pass * had property dm-pre-reloc or u-boot,dm-spl/tpl. * They are removed in final dtb (fdtgrep 2nd pass) */ return true; #else if (ofnode_read_bool(node, "u-boot,dm-pre-reloc")) return true; if (ofnode_read_bool(node, "u-boot,dm-pre-proper")) return true; /* * In regular builds individual spl and tpl handling both * count as handled pre-relocation for later second init. */ if (ofnode_read_bool(node, "u-boot,dm-spl") || ofnode_read_bool(node, "u-boot,dm-tpl")) return true; return false; #endif }
四个加载的节点属性
u-boot,dm-pre-reloc
u-boot,dm-pre-proper
u-boot,dm-spl
u-boot,dm-tpl