X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosRomconfig.java;fp=altoslib%2FAltosRomconfig.java;h=1fbb411540c534601631735949c7cddc55b3489b;hp=46ee2b6e66bc225ce8deddd488d5a3eb34a4852b;hb=ee79a205e118ea8730a02cc327d8fb79cc5f74ff;hpb=365eee3ebfe73204033089b363687228f97e5d98 diff --git a/altoslib/AltosRomconfig.java b/altoslib/AltosRomconfig.java index 46ee2b6e..1fbb4115 100644 --- a/altoslib/AltosRomconfig.java +++ b/altoslib/AltosRomconfig.java @@ -26,20 +26,31 @@ public class AltosRomconfig { public int check; public int serial_number; public int radio_calibration; + public AltosUsbId usb_id; + public String usb_product; - static private int find_offset(AltosHexfile hexfile, String name, int len) throws AltosNoSymbol { + static private long find_address(AltosHexfile hexfile, String name, int len) throws AltosNoSymbol { AltosHexsym symbol = hexfile.lookup_symbol(name); - if (symbol == null) - throw new AltosNoSymbol(name); - int offset = (int) symbol.address - hexfile.address; - if (offset < 0 || hexfile.data.length < offset + len) + if (symbol == null) { + System.out.printf("no symbol %s\n", name); throw new AltosNoSymbol(name); - return offset; + } + if (hexfile.address <= symbol.address && symbol.address + len < hexfile.max_address) { + System.out.printf("%s: %x\n", name, symbol.address); + return symbol.address; + } + System.out.printf("invalid symbol addr %x range is %x - %x\n", + symbol.address, hexfile.address, hexfile.max_address); + throw new AltosNoSymbol(name); + } + + static private int find_offset(AltosHexfile hexfile, String name, int len) throws AltosNoSymbol { + return (int) (find_address(hexfile, name, len) - hexfile.address); } static int get_int(AltosHexfile hexfile, String name, int len) throws AltosNoSymbol { byte[] bytes = hexfile.data; - int start = find_offset(hexfile, name, len); + int start = (int) find_offset(hexfile, name, len); int v = 0; int o = 0; @@ -112,13 +123,17 @@ public class AltosRomconfig { public AltosRomconfig(AltosHexfile hexfile) { try { + System.out.printf("Attempting symbols\n"); version = get_int(hexfile, ao_romconfig_version, 2); + System.out.printf("version %d\n", version); check = get_int(hexfile, ao_romconfig_check, 2); + System.out.printf("check %d\n", check); if (check == (~version & 0xffff)) { switch (version) { case 2: case 1: serial_number = get_int(hexfile, ao_serial_number, 2); + System.out.printf("serial %d\n", serial_number); try { radio_calibration = get_int(hexfile, ao_radio_cal, 4); } catch (AltosNoSymbol missing) { @@ -128,6 +143,19 @@ public class AltosRomconfig { break; } } + System.out.printf("attempting usbid\n"); + usb_id = hexfile.find_usb_id(); + if (usb_id == null) + System.out.printf("No usb id\n"); + else + System.out.printf("usb id: %04x:%04x\n", + usb_id.vid, usb_id.pid); + usb_product = hexfile.find_usb_product(); + if (usb_product == null) + System.out.printf("No usb product\n"); + else + System.out.printf("usb product: %s\n", usb_product); + } catch (AltosNoSymbol missing) { valid = false; } @@ -137,9 +165,16 @@ public class AltosRomconfig { ao_romconfig_version, ao_romconfig_check, ao_serial_number, - ao_radio_cal + ao_radio_cal, + ao_usb_descriptors, }; + private static int fetch_len(String name) { + if (name.equals(ao_usb_descriptors)) + return 256; + return 2; + } + private final static String[] required_names = { ao_romconfig_version, ao_romconfig_check, @@ -153,13 +188,16 @@ public class AltosRomconfig { return false; } - public static int fetch_base(AltosHexfile hexfile) throws AltosNoSymbol { - int base = 0x7fffffff; + public static long fetch_base(AltosHexfile hexfile) throws AltosNoSymbol { + long base = 0xffffffffL; for (String name : fetch_names) { try { - int addr = find_offset(hexfile, name, 2) + hexfile.address; + int len = fetch_len(name); + long addr = find_address(hexfile, name, len); + if (addr < base) base = addr; + System.out.printf("symbol %s at %x base %x\n", name, addr, base); } catch (AltosNoSymbol ns) { if (name_required(name)) throw (ns); @@ -168,19 +206,22 @@ public class AltosRomconfig { return base; } - public static int fetch_bounds(AltosHexfile hexfile) throws AltosNoSymbol { - int bounds = 0; + public static long fetch_bounds(AltosHexfile hexfile) throws AltosNoSymbol { + long bounds = 0; for (String name : fetch_names) { try { - int addr = find_offset(hexfile, name, 2) + hexfile.address; + int len = fetch_len(name); + long addr = find_address(hexfile, name, len) + len; if (addr > bounds) bounds = addr; + System.out.printf("symbol %s at %x bounds %x\n", name, addr, bounds); } catch (AltosNoSymbol ns) { if (name_required(name)) throw (ns); } } - return bounds + 2; + + return bounds; } public void write (AltosHexfile hexfile) throws IOException {