On 04/02/2013 10:09 AM, Alexander Graf wrote: > > On 29.03.2013, at 13:06, Fabien Chouteau wrote: > >> According to the different user's manuals, the vector offset for system >> reset (both /HRESET and /SRESET) is 0x00100. >> >> This patch may break support of some executables, as the power-on start >> address may change. For a specific board, if the power-on start address >> is different than HRESET vector (i.e. 0x00000100 or 0xfff00100), this >> should be fixed in board's initialization code. >> >> Signed-off-by: Fabien Chouteau <[email protected]> > > What about the other users of hreset_vector? Can we just remove the variable > altogether? >
For the CPUs that don't implement MSR[IP], the hreset_prefix is always 0x00000000, so hreset_vector will be the reset address (i.e. 0xFFFFFFFC) I guess all this can be converted to a CPU feature flag, telling if reset is an exception or not. -- Fabien Chouteau
