On Tue, Feb 22, 2011 at 6:47 AM, wang sheng <wans...@gmail.com> wrote: > I'm porting qemu to an new architecture. I come across some difficulty > that I can't define the timing that enable qemu's main-thread to be > interrupt and check external interrupt . > > I understand the way that mips used to check external interrupt . > > in qemu-system-mips , during do translation , if there is an > instruction that access CP0's Status register and Cause register, the > "target-mips/translate.c" will add a calling to function " > helper_interrupt_restart" in the end of the translation_block. > > But in my architecture which use "load/st" instruction to access the > contr register in interrupt controller . Because I can't > distinguish the access for normal memory and access for interrupt > controller's register , I can't add "interrupt_restart" function > calling in the end of translation block. > > How can I do to enable qemu have chance to check external interrupt ?
Please try something similar to how cpu_request_exit function and signal is used by hw/dma.c and hw/pc.c.
