The installer Makefile called whatever sdcc was on the PATH, so an
installer built by hand came out of the system compiler, without the
fixes in sdcc/. Use the same toolchain/sdcc-<cksum> as the main Makefile,
built on demand by sdcc/build.sh if a bare installer build gets there
first, and keep CC= on the command line as the way to pick another
compiler. The README example shows the new command lines.
The 8051 assembler sign-extends every value to 24 bits, so the top
byte of a __sfr32 address list like 0xa4a5a6a7 comes out as 0xff.
The patch keeps 32-bit arithmetic while leaving the 24-bit T line
addresses alone, so the relocations are unchanged. Proposed upstream
in the bug thread. With it SFR_DATA_U32 can be used again, which
saves about 240 bytes of code in REG_SET.
Released SDCC 4.5.0 and 4.6.0 miscompile some of our code in the mcs51
register allocator (SDCC bugs 4153 and 4154, fixed in trunk r17025 and
r17039). The first make now downloads the 4.6.0 sources, checks their
sha256, applies the two fixes from sdcc/ and installs the compiler into
toolchain/, named after a checksum of sdcc/, so a changed patch builds a
new one. make CC=sdcc still uses an installed compiler.
The document was renamed from doc/trunking.md in "Update LAG configuration
registers" and the entry in the README kept the old name, so it leads
nowhere.
Dynamic link aggregation on top of the static LAGG, for RTL8372/8373:
receive, selection and mux state machines (coupled mux, one aggregator
per group), with "lacp show" to look inside. Each of the four trunk
groups runs its own aggregator on the candidate ports assigned with
"lag <n> lacp <ports>"; the engine starts with the first such group and
stops with the last.
LACPDUs reach the CPU through the reserved-multicast trap, so delivery
needs no L2 entry and nothing written per VLAN or per PVID. The trap
acts on the address before the VLAN lookup and before the ingress
filters, so a LACPDU also arrives on a port that admits tagged frames
only and on a port STP holds in blocking, neither of which a forwarded
one reaches. A trapped frame carries no VLAN tag,
so lacp_in() takes the offset of the PDU body from TRAP_RX_BODY(). The
action is set with trap_rma_set(), which leaves the flags sharing that
register alone, and "lacp off" puts the slow-protocols drop default
back. doc/lacp.md and doc/link_aggregation.md record what was measured,
including why the trap looked like a dead end at first.
The web UI gets a Static/LACP mode per group on the LAG page with live
status, and the startup-config validator knows the per-group syntax. A
host-side sandbox for the state machines runs in the test harness
together with the LAG hash check. It drives both forms of an incoming
LACPDU, so the body offset of a trapped one is covered as well.
The L2 table page iterated with the "next unicast" read method, so
static multicast entries such as an IGMP group were invisible. It now
iterates with "next address", skips L3 entries (their layout carries IP
addresses where a MAC is expected), and reports the lowest member of a
multicast entry's port mask, so such an entry shows up as a static
entry on that port.
A port taken out of LACP forgets its partner, so "lacp show" after
"lacp off" no longer reports one. Applying the same candidate set to a
group again, as the LAG page does on every Apply, leaves the trunk
alone instead of tearing it down for a second or two. lacp_in() checks
the frame length and ethertype before reading a LACPDU, so a runt or a
foreign frame on the slow-protocols address cannot leave stale buffer
bytes as a partner. The sandbox covers these three in T20-T22. On the
LAG page, LACP mode with no ports checked sends "lag N lacp off", and
the startup-config validator wants at least one port after "lacp".
The session timeout was a compile-time constant (200 s), so changing it
meant rebuilding the firmware. Make it a variable that keeps the same
default and add a "session <seconds>" command, so it can be set from
the console or from the startup configuration like the other settings.
Measured on KP_9000_9XHML_X_V3_1: ROM +180 bytes (BANK1 +17, BANK2
+161) and xdata +2 bytes; the internal RAM map is unchanged.
* Revise compiling section and add cautionary notes
Updated compiling instructions and added warnings about flashing procedures.
* Refactor caution messages in README.md
Updated caution messages to use new formatting for emphasis.
* Revise caution and reminder notes in README
Updated caution and reminder sections for clarity and consistency.
* Fix typos in README regarding firmware update
Corrected typo errors in the README.
* Add image for advanced settings
Add advanced_seetings.png
* Add advanced settings configuration details to README
Added advanced settings section with configuration instructions.
* Fix image source in README for advanced settings
Corrected the image source filename for advanced settings.
* Revise IP and port command descriptions in README
Updated command descriptions in README for clarity.
* Revise README.md for clarity and updated instructions
Updated sections in README.md for clarity and accuracy, including compiling requirements, installation instructions, and cautionary notes.
* Revise README for clarity and emphasis
Updated formatting and emphasized important notes in the README.
* Correct image file name and compilation output in README
Updated README to reflect changes in image file names and compilation output.
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Dominic Shelton
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Luca S.
René van Dorst
Robert Klauco
HL Yi
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Rob Emery
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