From 3402776765e36c2058389aa6ea4b0d19b166d2cf Mon Sep 17 00:00:00 2001
From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Mon, 23 Oct 2023 23:32:57 +0300
Subject: [PATCH] syscall: handle architecture aliases

---
 src/openpower/syscalls/__init__.py | 18 ++++++++++++++++++
 src/openpower/syscalls/__main__.py |  6 +++---
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/openpower/syscalls/__init__.py b/src/openpower/syscalls/__init__.py
index a7676a20..fcf247a9 100644
--- a/src/openpower/syscalls/__init__.py
+++ b/src/openpower/syscalls/__init__.py
@@ -5,6 +5,21 @@ import json
 import pathlib
 
 
+
+ARCH = {
+    "powerpc": "ppc",
+    "powerpc64": "ppc64",
+    "ppc64le": "ppc64",
+    "i686": "i386",
+    "x86_64": "amd64",
+    "x64": "amd64",
+    "arm64": "aarch64",
+    "aarch64_be": "aarch64",
+    "armv8b": "aarch64",
+    "armv8l": "aarch64",
+}
+
+
 class Syscall:
     def __init__(self, entry, guest, host, parameters):
         if not isinstance(entry, str):
@@ -90,6 +105,9 @@ class Dispatcher:
         if logger is None:
             logger = lambda *args, **kwargs: None
 
+        guest = ARCH.get(guest, guest)
+        host = ARCH.get(host, host)
+
         def i386(sysnums):
             yield from sysnums["x86-32"]["i386"].items()
 
diff --git a/src/openpower/syscalls/__main__.py b/src/openpower/syscalls/__main__.py
index 7c6e2bdf..3165e1a3 100644
--- a/src/openpower/syscalls/__main__.py
+++ b/src/openpower/syscalls/__main__.py
@@ -6,6 +6,7 @@ import pathlib
 import re
 
 
+from . import ARCH
 from . import Dispatcher
 from . import UnknownSyscall
 
@@ -247,7 +248,6 @@ class ECallGenerator:
         self.print("}")
 
 
-
 def main():
     main_parser = argparse.ArgumentParser("lscmg",
         description="Linux system calls mapping generator")
@@ -262,10 +262,10 @@ def main():
     ecall_parser = main_subparsers.add_parser("ecall")
     ecall_parser.add_argument("guest",
         help="guest architecture",
-        choices=("riscv64", "ppc", "ppc64"))
+        type=lambda arch: ARCH.get(arch, arch))
     ecall_parser.add_argument("host",
         help="amd64 architecture",
-        choices=("amd64", "arm", "aarch64"))
+        type=lambda arch: ARCH.get(arch, arch))
     ecall_parser.set_defaults(generate=ECallGenerator())
 
     arguments = dict(vars(main_parser.parse_args()))
-- 
2.30.2