PLIC

Address	Width	Attr.	Description
0x0C00_0000			Reserved
0x0C00_0004	4	RW	source 1 priority
0x0C00_0008	4	RW	source 2 priority
0x0C00_1000	4	RO	start of pending array
0x0C00_2000	4	RW	Start of Hart 0 M-mode enables
0x0C00_2100	4	RW	Start of Hart 0 S-mode enables
0x0C20_0000	4	RW	hart 0 M-mode priority threshold
0x0C20_0004	4	RW	hart 0 M-mode priority claim/complete
0x0C20_1000	4	RW	hart 0 S-mode priority threshold
0x0C20_1004	4	RW	hart 0 S-mode priority claim/complete