+++ /dev/null
---- a/nslu2_image.cc
-+++ b/nslu2_image.cc
-@@ -54,28 +54,44 @@ namespace NSLU2Image {
- int &address, int &length) {
- address = image.tellg();
- length = buffer_length;
-- if (address+length > NSLU2Protocol::FlashSize)
-- length = NSLU2Protocol::FlashSize-address;
-+ if (address+length > EndAddress)
-+ length = EndAddress-address;
- if (length > 0)
- SafeRead(&image, buffer, length, "image (read)");
- }
-
-+ virtual void GetBoundaries(int &start, int &end)
-+ {
-+ start = BaseAddress;
-+ end = EndAddress;
-+ }
-+
- /* Rewind to the start of the image (or the Kernel if not
- * doing a complete reprogram).
- */
- virtual void Rewind(void) {
-- SafeSeek(&image, reprogram ? 0 : NSLU2Protocol::BaseAddress,
-+ SafeSeek(&image, reprogram ? 0 : BaseAddress,
- "image (seek)");
- }
-
- private:
-+ int BaseAddress;
-+ int EndAddress;
-+
- /* Validate that this really is an image file. */
- void Validate(const char *i) {
- char signature[8];
-
- SafeSeek(&image, -8, i, std::ios::end);
- SafeRead(&image, signature, 8, i);
-- if (memcmp(signature, "eRcOmM", 6) != 0)
-+
-+ if (memcmp(signature, "eRcOmM", 6) == 0) {
-+ BaseAddress = NSLU2Protocol::BaseAddress;
-+ EndAddress = NSLU2Protocol::FlashSize;
-+ } else if (memcmp(signature + 1, "sErCoMm", 7) == 0) {
-+ BaseAddress = 0;
-+ EndAddress = NSLU2Protocol::FlashSize - 0x40000;
-+ } else
- throw NSLU2Image::FileError(DataError, i, 0);
- }
-
-@@ -93,6 +109,12 @@ namespace NSLU2Image {
- virtual ~SynthesiseImage() {
- }
-
-+ void GetBoundaries(int &start, int &end)
-+ {
-+ start = NSLU2Protocol::BaseAddress;
-+ end = NSLU2Protocol::FlashSize;
-+ }
-+
- /* Get the next block of bytes, returns an address and length, false if
- * there is a problem.
- */
---- a/nslu2_image.h
-+++ b/nslu2_image.h
-@@ -35,6 +35,8 @@ namespace NSLU2Image {
- virtual ~Image() {
- }
-
-+ virtual void GetBoundaries(int &start, int &end) = 0;
-+
- /* Get the next block of bytes, returns an address and length.
- */
- virtual void GetBytes(char *buffer, size_t buffer_length,
---- a/nslu2_upgrade.cc
-+++ b/nslu2_upgrade.cc
-@@ -95,7 +95,7 @@ namespace NSLU2Upgrade {
-
- class RealDoUpgrade : public DoUpgrade {
- public:
-- RealDoUpgrade(Wire *w, Progress *p, bool r) :
-+ RealDoUpgrade(Wire *w, Progress *p, bool r, int start, int end) :
- wire(w), progress(p), sequenceError(-1), reprogram(r),
- lastType(NSLU2Protocol::InvalidType) {
- if (reprogram) {
-@@ -105,6 +105,8 @@ namespace NSLU2Upgrade {
- NSLU2Protocol::UpgradeStartPacket packet(seq);
- wire->Send(packet.PacketBuffer(), packet.PacketLength());
- }
-+ BaseAddress = start;
-+ EndAddress = end;
- }
-
- virtual ~RealDoUpgrade() {
-@@ -205,8 +207,8 @@ namespace NSLU2Upgrade {
-
- };
-
-- DoUpgrade *DoUpgrade::MakeDoUpgrade(Wire *wire, Progress *progress, bool reprogram) {
-- return new RealDoUpgrade(wire, progress, reprogram);
-+ DoUpgrade *DoUpgrade::MakeDoUpgrade(Wire *wire, Progress *progress, bool reprogram, int start, int end) {
-+ return new RealDoUpgrade(wire, progress, reprogram, start, end);
- }
- };
-
-@@ -421,13 +423,18 @@ void NSLU2Upgrade::RealDoUpgrade::Upgrad
- /* Simple upgrade programs only the addresses beyound BaseAddress,
- * reprogram overwrites the whole flash.
- */
-- if (!reprogram && address < NSLU2Protocol::BaseAddress) {
-+ if (!reprogram && address < BaseAddress) {
- length += address;
-- if (length <= NSLU2Protocol::BaseAddress)
-+ if (length <= BaseAddress)
- return; /* nothing to do. */
-- address = NSLU2Protocol::BaseAddress;
-+ address = BaseAddress;
- length -= address;
- }
-+ if (!reprogram && address + length > EndAddress) {
-+ if (address >= EndAddress)
-+ return; /* nothing to do. */
-+ length -= EndAddress - address;
-+ }
-
- #if 1
- /* Skip blocks of 255 valued bytes - the erase clears the flash to this
-@@ -495,11 +502,11 @@ void NSLU2Upgrade::RealDoUpgrade::Verify
- Finish();
-
- /* Verify never verifies anything below BaseAddress. */
-- if (address < NSLU2Protocol::BaseAddress) {
-+ if (address < BaseAddress) {
- length += address;
-- if (length <= NSLU2Protocol::BaseAddress)
-+ if (length <= BaseAddress)
- return; /* nothing to do. */
-- address = NSLU2Protocol::BaseAddress;
-+ address = BaseAddress;
- length -= address;
- }
-
---- a/nslu2_upgrade.h
-+++ b/nslu2_upgrade.h
-@@ -206,6 +206,8 @@ namespace NSLU2Upgrade {
-
- class DoUpgrade {
- public:
-+ int BaseAddress;
-+ int EndAddress;
- virtual ~DoUpgrade() {
- }
-
-@@ -228,7 +230,7 @@ namespace NSLU2Upgrade {
- virtual void Reboot(void) = 0;
- /* Reboot the NSLU2. */
-
-- static DoUpgrade *MakeDoUpgrade(Wire *wire, Progress *progress, bool reprogram);
-+ static DoUpgrade *MakeDoUpgrade(Wire *wire, Progress *progress, bool reprogram, int start, int end);
- /* Instantiate a real DoUpgrade, returns NULL if the object
- * cannot be instantiated.
- *
---- a/upslug2.cc
-+++ b/upslug2.cc
-@@ -21,8 +21,8 @@
-
- class ProgressBar : public UpSlug2::CharacterProgressBar<80> {
- public:
-- ProgressBar(bool reprogram, const unsigned char *t) :
-- UpSlug2::CharacterProgressBar<80>(reprogram, 64),
-+ ProgressBar(bool reprogram, const unsigned char *t, int start, int end) :
-+ UpSlug2::CharacterProgressBar<80>(reprogram, 64, start, end),
- target(t), displayed(false), ticker(0) {
- }
-
-@@ -95,7 +95,7 @@ private:
- else if (seen == -1) {
- seen = 0;
- if (!reprogram)
-- sent -= NSLU2Protocol::BaseAddress;
-+ sent -= NSLU2Protocol::FlashSize - (EndAddress - BaseAddress);
- } else
- sent -= seen;
-
-@@ -423,7 +423,7 @@ int main(int argc, char **argv) {
- { 0, 0, 0, 0 }
- };
-
-- do switch (getopt_long(argc, argv, "he:d:t:f:vUni:Ck:r:R:j:p:P:T:F:E:", options, 0)) {
-+ do switch (getopt_long(argc, argv, "he:d:t:f:vUni:Ck:r:R:j:op:P:T:F:E:", options, 0)) {
- case -1: if (optind < argc) {
- std::fprintf(stderr, "%s: unrecognised option\n", argv[optind]);
- std::exit(1);
-@@ -523,16 +523,22 @@ done:
-
- if (mac && got_kernel) {
- Pointer<NSLU2Upgrade::Wire> wire(NSLU2Upgrade::Wire::MakeWire(device, fromMac, mac, euid));
-- ProgressBar progress(reprogram, mac);
-+ int BaseAddress = NSLU2Protocol::BaseAddress;
-+ int EndAddress = NSLU2Protocol::FlashSize;
-
- if (full_image) { /* complete image. */
- /* The full image case allows a complete reprogram. */
-+ NSLU2Image::Image *image_p;
- Pointer<NSLU2Image::Image> image(
- NSLU2Image::Image::MakeImage(
- reprogram, full_image));
-+ image_p = image.p;
-+ image_p->GetBoundaries(BaseAddress, EndAddress);
-+ ProgressBar progress(reprogram, mac, BaseAddress, EndAddress);
- Pointer<NSLU2Upgrade::DoUpgrade> upgrade(
- NSLU2Upgrade::DoUpgrade::MakeDoUpgrade(
-- wire.p, &progress, reprogram));
-+ wire.p, &progress, reprogram,
-+ BaseAddress, EndAddress));
- progress.FirstDisplay();
- Upgrade(upgrade.p, image.p, no_upgrade, no_verify);
- progress.EndDisplay();
-@@ -551,9 +557,11 @@ done:
- fis_payload,
- product_id, protocol_id,
- firmware_version, extra_version));
-+ ProgressBar progress(reprogram, mac, BaseAddress, EndAddress);
- Pointer<NSLU2Upgrade::DoUpgrade> upgrade(
- NSLU2Upgrade::DoUpgrade::MakeDoUpgrade(
-- wire.p, &progress, false));
-+ wire.p, &progress, false,
-+ BaseAddress, EndAddress));
- progress.FirstDisplay();
- Upgrade(upgrade.p, image.p, no_upgrade, no_verify);
- progress.EndDisplay();
---- a/upslug2_progress.h
-+++ b/upslug2_progress.h
-@@ -161,15 +161,19 @@ namespace UpSlug2 {
- Timedout, /* *: timeout on a sent packet for this address. */
- NumberOfStates
- } Status;
--
-+ int BaseAddress;
-+ int EndAddress;
-+
- /* reprogram says whether this is a full reprogram (the entire
- * flash will be erased) or not (the leading, RedBoot, SysConf
- * partitions are not erased).
- * resolution should be about 6 for a command line (character)
- * progress bar and 8 for a GUI (pixel) progress bar.
- */
-- ProgressBar(bool r) :
-+ ProgressBar(bool r, int start, int end) :
- reprogram(r), timeout(false), retransmit(false), status(Init) {
-+ BaseAddress = start;
-+ EndAddress = end;
- }
-
- /* lowWaterMark..(highWaterMark-1) bytes are in state 'st',
-@@ -179,8 +183,8 @@ namespace UpSlug2 {
- /* These initial settings cover the majority of cases
- * correctly.
- */
-- lowWaterMark = reprogram ? 0 : NSLU2Protocol::BaseAddress;
-- highWaterMark = status >= st ? NSLU2Protocol::FlashSize-1 : 0;
-+ lowWaterMark = reprogram ? 0 : BaseAddress;
-+ highWaterMark = status >= st ? EndAddress-1 : 0;
- switch (st) {
- case Init:
- /* Everything has an initial value... */
-@@ -286,9 +290,9 @@ namespace UpSlug2 {
- */
- template <int characters> class CharacterProgressBar : public ProgressBar {
- public:
-- CharacterProgressBar(bool reprogram, int n, const char ind[NumberOfStates] = 0) :
-+ CharacterProgressBar(bool reprogram, int n, int start, int end, const char ind[NumberOfStates] = 0) :
- numberOfCharacters(n > characters || n < 1 ? characters : n),
-- ProgressBar(reprogram) {
-+ ProgressBar(reprogram, start, end) {
- if (ind)
- std::memcpy(indicators, ind, NumberOfStates);
- else