mirror of https://github.com/xemu-project/xemu.git
d0237b4df0
The AIA specificaiton adds interrupt filtering support for M-mode and HS-mode. Using AIA interrupt filtering M-mode and H-mode can take local interrupt 13 or above and selectively inject same local interrupt to lower privilege modes. At the moment, we don't have any local interrupts above 12 so we add dummy implementation (i.e. read zero and ignore write) of AIA interrupt filtering CSRs. Signed-off-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Anup Patel <anup@brainfault.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Frank Chang <frank.chang@sifive.com> Message-id: 20220204174700.534953-13-anup@brainfault.org Signed-off-by: Alistair Francis <alistair.francis@wdc.com> |
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