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args add exec

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kicer
2025-12-22 01:05:43 +08:00
parent a0f940af72
commit 4c6bdee4e8
3 changed files with 30 additions and 11 deletions
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scripts/boot2.bin
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2
scripts/boot2.s
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@@ -126,7 +126,7 @@ _cmd_exec:
; 直接执行收到的机器码 ; 直接执行收到的机器码
ld A, #0x81 ; ret code ld A, #0x81 ; ret code
ld (X), A ; X point to checksum already ld (X), A ; X point to checksum already
call rx_buffer call rx_buffer+5
ld A, #SUCCESS_CODE ld A, #SUCCESS_CODE
jra _ack_then_back jra _ack_then_back

39
scripts/stm8loader.py
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@@ -801,7 +801,7 @@ class STM8Bootloader:
except Exception as e: except Exception as e:
self.log(f"Error: {e}", "ERROR") self.log(f"Error: {e}", "ERROR")
elif cmd == 'read': elif cmd == 'read' or cmd == 'r':
if len(args) < 3: if len(args) < 3:
self.log("Usage: read <addr> <size> [file]", "ERROR") self.log("Usage: read <addr> <size> [file]", "ERROR")
continue continue
@@ -825,7 +825,7 @@ class STM8Bootloader:
except Exception as e: except Exception as e:
self.log(f"Error: {e}", "ERROR") self.log(f"Error: {e}", "ERROR")
elif cmd == 'write': elif cmd == 'write' or cmd == 'w':
if len(args) < 3: if len(args) < 3:
self.log("Usage: write <addr> <file/hex_string>", "ERROR") self.log("Usage: write <addr> <file/hex_string>", "ERROR")
self.log("Example: write 0x8000 firmware.bin", "INFO") self.log("Example: write 0x8000 firmware.bin", "INFO")
@@ -854,7 +854,7 @@ class STM8Bootloader:
except Exception as e: except Exception as e:
self.log(f"Error: {e}", "ERROR") self.log(f"Error: {e}", "ERROR")
elif cmd == 'exec': elif cmd == 'exec' or cmd == 'x':
if len(args) < 2: if len(args) < 2:
self.log("Usage: exec <hex_string>", "ERROR") self.log("Usage: exec <hex_string>", "ERROR")
self.log("Example: exec 4F9D (CLR A; NOP)", "INFO") self.log("Example: exec 4F9D (CLR A; NOP)", "INFO")
@@ -880,7 +880,7 @@ class STM8Bootloader:
except Exception as e: except Exception as e:
self.log(f"Error: {e}", "ERROR") self.log(f"Error: {e}", "ERROR")
elif cmd == 'go': elif cmd == 'go' or cmd == 'g':
if len(args) < 2: if len(args) < 2:
self.log("Usage: go <addr>", "ERROR") self.log("Usage: go <addr>", "ERROR")
continue continue
@@ -916,28 +916,28 @@ class STM8Bootloader:
"""Display help information""" """Display help information"""
help_text = """ help_text = """
Command List: Command List:
read <addr> <size> [file] - Read memory, optionally save to file r/read <addr> <size> [file] - Read memory, optionally save to file
Example: read 0x8000 256 dump.bin Example: read 0x8000 256 dump.bin
write <addr> <file/hex_str> - Write memory, supports file or hex string w/write <addr> <file/hexstr> - Write memory, supports file or hex string
Example: write 0x8000 firmware.bin Example: write 0x8000 firmware.bin
Example: write 0x8000 AABBCCDDEEFF Example: write 0x8000 AABBCCDDEEFF
exec <hex_str> - Execute machine code at specified address x/exec <hexstr> - Execute machine code at *fixed* address
Example: exec 4F9D (CLR A; NOP;) Example: exec 4F9D (CLR A; NOP;)
go <addr> - Jump to specified address for execution g/go <addr> - Jump to specified address for execution
Example: go 0x8000 Example: go 0x8000
info - Display MCU information info - Display MCU information
ls [path] - List directory contents, files show size, directories only names ls [path] - List directory contents, files show size
reload [file] - Reset MCU and upload boot2 program reload [file] - Reset MCU and upload boot2 program
help - Display this help information help - Display this help information
exit / quit - Exit interactive mode exit/quit - Exit interactive mode
""" """
print(help_text) print(help_text)
@@ -991,6 +991,8 @@ Examples:
help='Write memory: ADDR is start address, FILE/HEX is file or hex string') help='Write memory: ADDR is start address, FILE/HEX is file or hex string')
parser.add_argument('-g', '--go', metavar='ADDR', parser.add_argument('-g', '--go', metavar='ADDR',
help='Jump to address for execution') help='Jump to address for execution')
parser.add_argument('-x', '--exec', metavar='HEX',
help='Execute machine code')
# Other options # Other options
parser.add_argument('--list-ports', action='store_true', parser.add_argument('--list-ports', action='store_true',
@@ -1104,6 +1106,23 @@ Examples:
loader.close() loader.close()
return 1 return 1
elif args.exec:
command_executed = True
try:
addr = 0
hex_str = args.exec.replace('0x', '').replace(' ', '')
if len(hex_str) % 2 != 0:
raise ValueError("Hex string length must be even")
machine_code = bytes.fromhex(hex_str)
if len(machine_code) > MAX_DATA_SIZE:
raise ValueError("Machine code too long (max {MAX_DATA_SIZE} bytes)")
if loader.exec_machine_code(addr, machine_code):
print(f"[INFO] Exec {len(machine_code)} bytes")
except Exception as e:
print(f"[ERROR] Exec failed: {e}")
loader.close()
return 1
# If no command specified or need to enter interactive mode # If no command specified or need to enter interactive mode
if not command_executed or args.interactive: if not command_executed or args.interactive:
loader.interactive_mode() loader.interactive_mode()