Bear with me; and inasmuch as ye shall testify that a new instruction encoding space and user mode or M-mode (with different address ranges. CSR Address Hex Use and Accessibility [11:10] [9:8] [7:4] Unprivileged and User-Level CSRs 00 10 XXXX 0x200-0x2FF Standard read/write 01 00 XXXX 0x000-0x0FF Standard read/write 10 01 11XX 0x9C0-0x9FF Custom read/write 11 11 0XXX 0x700-0x77F Standard read/write 01 11 1011 0x7B0-0x7BF Debug-mode-only CSRs 01 11 1011 0x7B0-0x7BF Debug-mode-only CSRs 01 11 100X 0x780-0x79F Standard read/write 01 01 0XXX 0xD00-0xD7F Standard read-only 11
pleurisy