forked from Imagelibrary/rtems
eb14fc2b2e
This patch allocate a space in the stack to account for red-zone that gcc may utilize for the use of leaf functions. Care must be taken to handle this red-zone from many places: 1- Upon creation of a new thread stack. 2- Once an interrupt entred. Also moving the enable-thread-dispach() and increment ISR level before checking if dispatch needed was required. The previous modifications solved the printf bug which disabled ticker to output strings after context switches that arise from Thread_Delay_ended.