On Thu, Jan 30, 2003 at 11:43:20AM -0000, Qiang Huang wrote:
When the platform is configured as Redboot startup and load the ecos app
into RAM for debugging, what mode is redboot run in? when loading a ecos app
(by redboot) , what is the starting mode of the ecos app(e.g. when comes to
the entry point of the ecos app: reset_vector) Thanks a lot
Depends on the architecture. It's generally in some sort of
system/supervisor mode.
I believe Qiang is on ARM in which case it's supervisor (SVC) mode for
everything. Even on interrupts we switch to SVC mode as soon as we can.