lib: sbi: Add support for mconfigptr

RISC-V privileged specification v1.12 introduced the mconfigptr CSR
which will hold the physical address of a configuration data
structure.

Signed-off-by: Yangjie Zhang <jay1273062855@outlook.com>
Reviewed-by: Anup Patel <anup@brainfault.org>

diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h
index d137bf829f4960a39f9353377269ca81c26475a2..a545242a69dced3b3bb820f13ecee6472d86cdb8 100644 (file)
--- a/include/sbi/riscv_encoding.h
+++ b/include/sbi/riscv_encoding.h
@@ -430,6 +430,7 @@
 #define CSR_MARCHID                    0xf12
 #define CSR_MIMPID                     0xf13
 #define CSR_MHARTID                    0xf14
+#define CSR_MCONFIGPTR                 0xf15
 
 /* Machine Trap Setup */
 #define CSR_MSTATUS                    0x300