帖子: RE: 将程序下载到5509A里，运行时出现如下错误：The CIO command cmd:(0) in the CIO buffer at address (0x11cf8) was not recognized. Please check the device and program memory maps.

[quote user="king she"]

还有我编译的的时候有如下警告：

warning: creating output section ".pinit" without a SECTIONS specification
warning: creating output section "vectors" without a SECTIONS specification
warning: creating ".sysstack" section with default size of 0x3e8; use the

[/quote]

这些warning提示没有在SECTIONS中分配.pinit, vectors段。.sysstack段大小使用的是默认值0x3e8。