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gxpsplit

Simple gxp patcher.

Prerequisites

pip install click bitarray pyyaml

How to use

  1. "split" gxp file
python gxpsplit.py split name.gxp

This will create "name.gxp.split" file. Its content is like this:

Primary program start:
PHAS
op1  |op2|sprvv|phas|end|imm|src1_bank_ext|src2_bank_ext|--|mode|rate_hi|rate_lo_or_nosched|wait_cond|temp_count|src1_bank|src2_bank|--------|exe_addr_high|src1_n_or_exe_addr_mid|src2_n_or_exe_addr_low
11111|010|0    |100 |0  |1  |0            |0            |00|0   |0      |0                 |111      |00000000  |00       |00       |00000000|000000       |0000000               |0000000               
V32NMAD
opcode1|pred|skipinv|src1_swiz_10_11|syncstart|dest_bank_ext|src1_swiz_9|src1_bank_ext|src2_bank_ext|src2_swiz|nosched|dest_mask|src1_mod|src2_mod|src1_swiz_7_8|dest_bank_sel|src1_bank_sel|src2_bank_sel|dest_n|src1_swiz_0_6|op2|src1_n|src2_n
00001  |000 |1      |01             |0        |0            |1          |0            |0            |0100     |1      |0011     |00      |0       |01           |01           |10           |10           |000000|0001000      |001|001100|001010

Edit bit fields as you much as you want. You can just even if bits line doesn't contain | or spaces, it works. (e.g. 10101101010...)

  1. Generate patched program
python gxpsplit.py patch name.gxp

This will generate patched_name.gxp patched according to name.gxp.split file.