Scriabing / PDLA

Author : Scriabing
conntect: [e-mail]
description: simulation src

1.Summary Description:

PDLA stable src
DLA mac:64
L2 64M

2.pulp modify

Hardware UPDATE: add "199.232.96.133 raw.githubusercontent.com" to /etc/hosts

2.1 memory expansion

L2 memory model in soc_interconnect.sv

2.2 add DLA

soc open an AXI master port for dla's data channel and an apb slaver port for dla csb control

2.3 interrupt

TODO

3.sdk modify

V1 VERSION for simulation
If need,source configs/platform-fpga.sh for fpga version ,and init "__rt_fpga_fc_frequency&__rt_fpga_periph_frequency" in user c code.

3.1 support for memory expansion

According to the modifing pulp ，modify the following documents：
pulp-sdk/pulp-configs/configs/chips/pulp/pulp.json 193
pulp-sdk/runtime/archi/include/archi/chips/pulp/memory_map.h 34
runtime/pulp-rt/rules/pulp/link.ld 6

3.2 new ld flags

put .cluster.text into .text section
add customsized section at the last of link.ld(if modifiy the runtime's ld , need to recompile the sdk env,otherwize using pkd/dev/..../link.ld without remaking sdk)

4.test modify

4.1 Makefile

open O0 to prevent gcc from killing customized section

4.2 fc c code

add " atttibute(section("xxxx")) " for code and data(array&struct)