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AR# 32337

11.1 EDK - When stepping passed mfmsr and mtmsr commands, the MSR value is incorrect


Keywords: step, XMD, debug, GDB, break, master, register, interrupt, 405, 440, Power, PC, PPC

When stepping passed mfmsr and mtmsr commands, in either the PowerPC 405 or 440, the MSR value is incorrect.

Is there a work-around for this problem?


This is a known issue with XMD that will be fixed in a future release.

The only work-around is to not single-step passed these instructions, but rather, jump out of the block of code that contains these instructions.

This problem has been fixed in EDK 11.2, available at:

AR# 32337
日期 06/11/2009
状态 Active
Type 综合文章