On 10/06/2017 09:22 AM, Peter Maydell wrote: > I'm going to change this part of the comment to read > * Compare the v8M ARM ARM pseudocode LookUpSP_with_security_mode(). > * Unlike that pseudocode, we require the caller to pass us in the > * SPSEL control bit value; this is because we also use this > * function in handling of pushing of the callee-saves registers > * part of the v8M stack frame (pseudocode PushCalleeStack()), > * and in the tailchain codepath the SPSEL bit comes from the exception > * return magic LR value from the previous exception. The pseudocode > * opencodes the stack-selection in PushCalleeStack(), but we prefer > * to make this utility function generic enough to do the job. > > which hopefully is a little clearer.
Much, thanks. r~
