class-recipe: add support for loongarch64

(From OE-Core rev: ec88f703f753efcbad5c077d866a5dc44ad54db0)

Signed-off-by: Jialing Zhang <zhangjialing@loongson.cn>
Signed-off-by: Qizheng Zhu <zhuqizheng@loongson.cn>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

3 files changed, 15 insertions, 1 deletions

diff --git a/meta/classes-recipe/libc-package.bbclass b/meta/classes-recipe/libc-package.bbclass
index 8a99f73ae7..bf160b115d 100644
--- a/meta/classes-recipe/libc-package.bbclass
+++ b/meta/classes-recipe/libc-package.bbclass
@@ -268,7 +268,8 @@ python package_do_split_gconvs () {
                 "riscv32": " --uint32-align=4 --little-endian ", \
                 "i586":    " --uint32-align=4 --little-endian ", \
                 "i686":    " --uint32-align=4 --little-endian ", \
-                "x86_64":  " --uint32-align=4 --little-endian "  }
+                "x86_64":  " --uint32-align=4 --little-endian ", \
+                "loongarch64": " --uint32-align=4 --little-endian "  }
 
             if target_arch in locale_arch_options:
                 localedef_opts = locale_arch_options[target_arch]
diff --git a/meta/classes-recipe/meson-routines.bbclass b/meta/classes-recipe/meson-routines.bbclass
index 6086fce9d9..a944a8fff1 100644
--- a/meta/classes-recipe/meson-routines.bbclass
+++ b/meta/classes-recipe/meson-routines.bbclass
@@ -23,6 +23,8 @@ def meson_cpu_family(var, d):
         return 'arm'
     elif arch == 'aarch64_be':
         return 'aarch64'
+    elif arch == 'loongarch64':
+        return 'loongarch64'
     elif arch == 'mipsel':
         return 'mips'
     elif arch == 'mips64el':
diff --git a/meta/classes-recipe/rust-target-config.bbclass b/meta/classes-recipe/rust-target-config.bbclass
index 5e71546fee..21a56ede3e 100644
--- a/meta/classes-recipe/rust-target-config.bbclass
+++ b/meta/classes-recipe/rust-target-config.bbclass
@@ -245,6 +245,14 @@ TARGET_POINTER_WIDTH[riscv64gc] = "64"
 TARGET_C_INT_WIDTH[riscv64gc] = "64"
 MAX_ATOMIC_WIDTH[riscv64gc] = "64"
 
+## loongarch64-unknown-linux-{gnu, musl}
+DATA_LAYOUT[loongarch64] = "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
+TARGET_ENDIAN[loongarch64] = "little"
+TARGET_POINTER_WIDTH[loongarch64] = "64"
+TARGET_C_INT_WIDTH[loongarch64] = "32"
+MAX_ATOMIC_WIDTH[loongarch64] = "64"
+FEATURES[loongarch64] = "+d"
+
 # Convert a normal arch (HOST_ARCH, TARGET_ARCH, BUILD_ARCH, etc) to something
 # rust's internals won't choke on.
 def arch_to_rust_target_arch(arch):
@@ -288,6 +296,7 @@ def llvm_cpu(d):
     trans['mips64el'] = "mips64"
     trans['riscv64'] = "generic-rv64"
     trans['riscv32'] = "generic-rv32"
+    trans['loongarch64'] = "la464"
 
     if target in ["mips", "mipsel", "powerpc"]:
         feat = frozenset(d.getVar('TUNE_FEATURES').split())
@@ -367,6 +376,8 @@ def rust_gen_target(d, thing, wd, arch):
         tspec['llvm-abiname'] = "lp64d"
     if "riscv32" in tspec['llvm-target']:
         tspec['llvm-abiname'] = "ilp32d"
+    if "loongarch64" in tspec['llvm-target']:
+        tspec['llvm-abiname'] = "lp64d"
     tspec['vendor'] = "unknown"
     tspec['target-family'] = "unix"
     tspec['linker'] = "{}{}gcc".format(d.getVar('CCACHE'), prefix)