Squash commits for public release

2025-02-12 09:54:05 -05:00
commit 7118adc514
1108 changed files with 80873 additions and 0 deletions
--- a/build/tools/prepare_env.py
+++ b/build/tools/prepare_env.py
@@ -0,0 +1,78 @@
+import sys
+import os
+import subprocess
+
+OBJCOPY_TOOL = ""
+OBJCOPY_TARGET = ""
+
+
+def shell(cmd, cwd=None):
+    return subprocess.check_output(cmd, shell=True, cwd=cwd).decode("ascii")
+
+
+outpath = sys.argv[1]
+arch = sys.argv[2]
+board = sys.argv[3]
+host = sys.argv[4]
+path_to_bins = sys.argv[5]
+
+if path_to_bins == "__EMPTY_PATH_":
+    path_to_bins = ""
+if len(path_to_bins) != 0:
+    if path_to_bins[-1] != '/':
+        path_to_bins += "/"
+
+if (arch == "arm32"):
+    if host == "gnu":
+        OBJCOPY_TOOL = "{0}arm-none-eabi-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf32-littlearm"
+    elif host == "llvm":
+        OBJCOPY_TOOL = "{0}llvm-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf32-littlearm"
+elif (arch == "x86"):
+    if host == "gnu":
+        OBJCOPY_TOOL = "{0}i686-elf-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf32-i386"
+    elif host == "llvm":
+        OBJCOPY_TOOL = "{0}llvm-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf32-i386"
+elif (arch == "x86_64"):
+    if host == "gnu":
+        OBJCOPY_TOOL = "{0}x86_64-elf-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf64-x86-64"
+    elif host == "llvm":
+        OBJCOPY_TOOL = "{0}llvm-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf64-x86-64"
+elif (arch == "arm64"):
+    if host == "gnu":
+        OBJCOPY_TOOL = "{0}aarch64-elf-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf64-littleaarch64"
+    elif host == "llvm":
+        OBJCOPY_TOOL = "{0}llvm-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf64-littleaarch64"
+elif (arch == "riscv64"):
+    if host == "gnu":
+        OBJCOPY_TOOL = "{0}riscv64-unknown-elf-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf64-littleriscv"
+    elif host == "llvm":
+        OBJCOPY_TOOL = "{0}llvm-objcopy".format(path_to_bins)
+        OBJCOPY_TARGET = "elf64-littleriscv"
+else:
+    print("Unsupported arch {0}".format(arch))
+    exit(0)
+
+outpath_abs = os.getcwd() + '/' + outpath
+
+codesign_section_len = 1024
+
+tmp_empty_bin_name = 'elfsign_section.bin'
+f = open(tmp_empty_bin_name, "wb")
+f.seek(codesign_section_len-1)
+f.write(b"\0")
+f.close()
+
+
+shell("{0} -I binary -O {1} --rename-section .data=._signature {2} {3}".format(
+    OBJCOPY_TOOL, OBJCOPY_TARGET, tmp_empty_bin_name, outpath_abs))
+shell("{0} --set-section-flags ._signature=noload,readonly {1} {2}".format(
+    OBJCOPY_TOOL, outpath_abs, outpath_abs))