riscv: Introduce a Kconfig option for machine mode

So far we have a Kconfig option for supervisor mode. This adds an
option for the machine mode.

Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 6d85ac9..55c60e4 100644 (file)
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -62,6 +62,22 @@ config CMODEL_MEDANY
 
 endchoice
 
+choice
+       prompt "Run Mode"
+       default RISCV_MMODE
+
+config RISCV_MMODE
+       bool "Machine"
+       help
+         Choose this option to build U-Boot for RISC-V M-Mode.
+
+config RISCV_SMODE
+       bool "Supervisor"
+       help
+         Choose this option to build U-Boot for RISC-V S-Mode.
+
+endchoice
+
 config RISCV_ISA_C
        bool "Emit compressed instructions"
        default y
@@ -73,11 +89,6 @@ config RISCV_ISA_C
 config RISCV_ISA_A
        def_bool y
 
-config RISCV_SMODE
-       bool "Run in S-Mode"
-       help
-         Enable this option to build U-Boot for RISC-V S-Mode
-
 config 32BIT
        bool