chore(core): initialize automatic variables to zero

[no changelog]

core/SConscript.boardloader

@@ -148,7 +148,7 @@ cmake_gen = env.Command(
 
 obj_program = []
 obj_program += env.Object(source=SOURCE_MOD)
-obj_program += env.Object(source=SOURCE_MOD_CRYPTO)
+obj_program += env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero')
 obj_program += env.Object(source=SOURCE_BOARDLOADER)
 obj_program += env.Object(source=SOURCE_HAL)
 

core/SConscript.bootloader

@@ -248,7 +248,7 @@ env.Append(LINKFLAGS=f' -l{RUST_LIB}')
 
 obj_program = []
 obj_program += env.Object(source=SOURCE_MOD)
-obj_program += env.Object(source=SOURCE_MOD_CRYPTO)
+obj_program += env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero')
 obj_program += env.Object(source=SOURCE_BOOTLOADER)
 obj_program += env.Object(source=SOURCE_NANOPB)
 obj_program += env.Object(source=SOURCE_HAL)

core/SConscript.bootloader_ci

@@ -193,7 +193,7 @@ cmake_gen = env.Command(
 
 obj_program = []
 obj_program += env.Object(source=SOURCE_MOD)
-obj_program += env.Object(source=SOURCE_MOD_CRYPTO)
+obj_program += env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero')
 obj_program += env.Object(source=SOURCE_BOOTLOADER)
 obj_program += env.Object(source=SOURCE_NANOPB)
 obj_program += env.Object(source=SOURCE_HAL)

core/SConscript.bootloader_emu

@@ -307,7 +307,7 @@ env.Append(LINKFLAGS='-lm')
 
 obj_program = []
 obj_program += env.Object(source=SOURCE_MOD)
-obj_program += env.Object(source=SOURCE_MOD_CRYPTO)
+obj_program += env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero')
 obj_program += env.Object(source=SOURCE_BOOTLOADER)
 obj_program += env.Object(source=SOURCE_NANOPB)
 obj_program += env.Object(source=SOURCE_TREZORHAL)

core/SConscript.firmware

@@ -782,7 +782,7 @@ env.Append(LINKFLAGS=f' -l{RUST_LIB}')
 source_files = SOURCE_MOD + SOURCE_MOD_CRYPTO + SOURCE_FIRMWARE + SOURCE_MICROPYTHON + SOURCE_MICROPYTHON_SPEED + SOURCE_HAL
 obj_program = []
 obj_program.extend(env.Object(source=SOURCE_MOD))
-obj_program.extend(env.Object(source=SOURCE_MOD_CRYPTO))
+obj_program.extend(env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero'))
 if FEATURE_FLAGS["SECP256K1_ZKP"]:
     obj_program.extend(env.Object(source=SOURCE_MOD_SECP256K1_ZKP, CCFLAGS='$CCFLAGS -Wno-unused-function'))
     source_files.extend(SOURCE_MOD_SECP256K1_ZKP)

core/SConscript.prodtest

@@ -193,7 +193,7 @@ cmake_gen = env.Command(
 
 obj_program = []
 obj_program.extend(env.Object(source=SOURCE_MOD))
-obj_program.extend(env.Object(source=SOURCE_MOD_CRYPTO))
+obj_program.extend(env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero'))
 obj_program.extend(env.Object(source=SOURCE_PRODTEST))
 obj_program.extend(env.Object(source=SOURCE_HAL))
 

core/SConscript.reflash

@@ -156,7 +156,7 @@ cmake_gen = env.Command(
 
 obj_program = []
 obj_program += env.Object(source=SOURCE_MOD)
-obj_program += env.Object(source=SOURCE_MOD_CRYPTO)
+obj_program += env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero')
 obj_program += env.Object(source=SOURCE_REFLASH)
 obj_program += env.Object(source=SOURCE_HAL)
 

core/SConscript.unix

@@ -867,7 +867,7 @@ env.Append(LINKFLAGS=f'-l{RUST_LIB}')
 obj_program = []
 source_files = SOURCE_MOD + SOURCE_MOD_CRYPTO +SOURCE_MICROPYTHON + SOURCE_UNIX
 obj_program.extend(env.Object(source=SOURCE_MOD))
-obj_program.extend(env.Object(source=SOURCE_MOD_CRYPTO))
+obj_program.extend(env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero'))
 if FEATURE_FLAGS["SECP256K1_ZKP"]:
     obj_program.extend(env.Object(source=SOURCE_MOD_SECP256K1_ZKP, CCFLAGS='$CCFLAGS -Wno-unused-function'))
     source_files.extend(SOURCE_MOD_SECP256K1_ZKP)