diff options
| author | ustcymgu@gmail.com <ustcymgu@gmail.com> | 2022-11-19 14:02:55 +0000 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2022-11-20 08:44:03 +0100 |
| commit | 0a5466d8d53bc8045ff56ff76cc1880aa85761c2 (patch) | |
| tree | 5ff1df22a9a052a712318b88cc9c57ff2f963326 /extra | |
| parent | 9e854172e249a383d858fef70368af63a04a28a8 (diff) | |
RISC-V 32-bit support
Added 32-bit RISC-V support. I have managed to get 32-bit RISC-V No-MMU
Linux running based on mainstream buildroot. It's nice to have uclibc
support this 32-bit No-MMU target.
There's no substantial code change except definations and config
options.
Signed-off-by: Yimin Gu <ustcymgu@gmail.com>
Diffstat (limited to 'extra')
| -rw-r--r-- | extra/Configs/Config.in | 9 | ||||
| -rw-r--r-- | extra/Configs/Config.riscv32 | 14 |
2 files changed, 23 insertions, 0 deletions
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in index 1c41d77ff..6bbb6f572 100644 --- a/extra/Configs/Config.in +++ b/extra/Configs/Config.in @@ -39,6 +39,7 @@ choice default TARGET_or1k if DESIRED_TARGET_ARCH = "or1k" default TARGET_powerpc if DESIRED_TARGET_ARCH = "powerpc" default TARGET_riscv64 if DESIRED_TARGET_ARCH = "riscv64" + default TARGET_riscv32 if DESIRED_TARGET_ARCH = "riscv32" default TARGET_sh if DESIRED_TARGET_ARCH = "sh" default TARGET_sparc if DESIRED_TARGET_ARCH = "sparc" default TARGET_sparc64 if DESIRED_TARGET_ARCH = "sparc64" @@ -125,6 +126,9 @@ config TARGET_powerpc config TARGET_riscv64 bool "riscv64" +config TARGET_riscv32 + bool "riscv32" + config TARGET_sh bool "superh" @@ -260,6 +264,10 @@ if TARGET_riscv64 source "extra/Configs/Config.riscv64" endif +if TARGET_riscv32 +source "extra/Configs/Config.riscv32" +endif + if TARGET_sh source "extra/Configs/Config.sh" endif @@ -565,6 +573,7 @@ config UCLIBC_HAS_LINUXTHREADS select UCLIBC_HAS_REALTIME depends on !TARGET_aarch64 && \ !TARGET_riscv64 && \ + !TARGET_riscv32 && \ !TARGET_metag help If you want to compile uClibc with Linuxthreads support, then answer Y. diff --git a/extra/Configs/Config.riscv32 b/extra/Configs/Config.riscv32 new file mode 100644 index 000000000..304d30f70 --- /dev/null +++ b/extra/Configs/Config.riscv32 @@ -0,0 +1,14 @@ +# +# For a description of the syntax of this configuration file, +# see extra/config/Kconfig-language.txt +# + +config TARGET_ARCH + string + default "riscv32" + +config FORCE_OPTIONS_FOR_ARCH + bool + default y + select ARCH_LITTLE_ENDIAN + select ARCH_HAS_MMU |