Re: [Qemu-devel] [PATCH 6/9] armv7m: Escalate exceptions to HardFault if necessary

2017-02-15 Thread Alex Bennée
Peter Maydell writes: > From: Michael Davidsaver > > The v7M exception architecture requires that if a synchronous > exception cannot be taken immediately (because it is disabled > or at too low a priority) then it should be escalated to > HardFault (and the HardFault exception is then taken).

[Qemu-devel] [PATCH 6/9] armv7m: Escalate exceptions to HardFault if necessary

2017-02-02 Thread Peter Maydell
From: Michael Davidsaver The v7M exception architecture requires that if a synchronous exception cannot be taken immediately (because it is disabled or at too low a priority) then it should be escalated to HardFault (and the HardFault exception is then taken). Implement this escalation logic. Si