xtensa: fix ruff issues in Python scripts

Fix the issues found by ruff.

Signed-off-by: Daniel Leung <[email protected]>

Author: dcpleung

.ruff-excludes.toml

@@ -26,14 +26,6 @@
     "SIM115",   # https://docs.astral.sh/ruff/rules/open-file-with-context-handler
     "UP031",    # https://docs.astral.sh/ruff/rules/printf-string-formatting
 ]
-"./arch/xtensa/core/gen_vectors.py" = [
-    "F541",     # https://docs.astral.sh/ruff/rules/f-string-missing-placeholders
-    "I001",     # https://docs.astral.sh/ruff/rules/unsorted-imports
-    "UP031",    # https://docs.astral.sh/ruff/rules/printf-string-formatting
-]
-"./arch/xtensa/core/gen_zsr.py" = [
-    "SIM401",   # https://docs.astral.sh/ruff/rules/if-else-block-instead-of-dict-get
-]
 "./boards/microchip/mec172xevb_assy6906/support/mec172x_remote_flasher.py" = [
     "I001",     # https://docs.astral.sh/ruff/rules/unsorted-imports
 ]

arch/xtensa/core/gen_vectors.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 # Copyright 2023 The ChromiumOS Authors
 # SPDX-License-Identifier: Apache-2.0
-import sys
 import re
+import sys
 
 # Xtensa Vector Table linker generator
 #
@@ -99,7 +99,7 @@
 
 if debug_level > 0:
     old = f"Level{debug_level}Interrupt"
-    offsets[f"DebugException"] = offsets[old]
+    offsets["DebugException"] = offsets[old]
     del offsets[old]
 
 sects = list(offsets)
@@ -114,9 +114,9 @@
 # bottom bits don't take...
 print( "  .z_xtensa_vectors : ALIGN(1024) {")
 print( "    z_xtensa_vecbase = .;")
-print(f"    KEEP(*(.WindowVectors.text));")
+print( "    KEEP(*(.WindowVectors.text));")
 for s in sects:
     print(f"    KEEP(*(.{s}Vector.literal));")
-    print( "    . = 0x%3.3x;" % (offsets[s]))
+    print(f"    . = 0x{offsets[s]:x};")
     print(f"    KEEP(*(.{s}Vector.text));")
 print("  }")

arch/xtensa/core/gen_zsr.py

@@ -41,7 +41,7 @@ def parse_args():
 syms = {}
 
 def get(s):
-    return syms[s] if s in syms else 0
+    return syms.get(s, 0)
 
 with open(coreisa) as infile:
     for line in infile.readlines():