in IDE segger embedded studio ,code"uint8_t readerBuf[512] __attribute__((at(0x20000000))); " build result :at attribute directive ignored

[zhouhaifang]

in IDE segger embedded studio ,code"uint8_t readerBuf[512] __attribute__((at(0x20000000))); " build result :at attribute directive ignored

[Vidar Berg]

Hello,

The GCC compiler does not support this 'placement' attribute as far as I'm aware, I have only seen it in Keil uVision (https://www.keil.com/support/man/docs/armcc/armcc_chr1359124981140.htm ). Do you know why this buffer need to be placed at this exact address?