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Thoughts about a new RIL

11 posts in this topic

Posted · Report post

Hi Guys,

So after reading through the site and trying to cook up a working Ginberblade rom myself (That had no radio support and 'uneven' performance) I get the impression that the RIL supplied in our ROMS does not supply the standard interfaces required for standard AOSP compatible/SDK image based ROMS.

I gather RIL is concerned with the baseband which is closely hooked to the Qualcomm chip in our devices (the 7227) and is loaded as a library (so is not in the kernel which is good from a HW compatibility standpoint).

DO you guys think that it would it be possible to integrate a correctly produced RIL from a ROM of another MSM7227 based AOSP compatible device?

Like one of the following?

http://pdadb.net/index.php?m=cpu&id=a7...ualcomm_msm7227 (Hit the browse devices based on ) button

Im sorry if this seems terribly naive but I thought its worth sharing (even if I am called a n00b then tarred + feathered and tied to a lamppost for my stupidity)

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Posted · Report post

Hi Guys,

So after reading through the site and trying to cook up a working Ginberblade rom myself (That had no radio support and 'uneven' performance) I get the impression that the RIL supplied in our ROMS does not supply the standard interfaces required for standard AOSP compatible/SDK image based ROMS.

I gather RIL is concerned with the baseband which is closely hooked to the Qualcomm chip in our devices (the 7227) and is loaded as a library (so is not in the kernel which is good from a HW compatibility standpoint).

DO you guys think that it would it be possible to integrate a correctly produced RIL from a ROM of another MSM7227 based AOSP compatible device?

Like one of the following?

http://pdadb.net/index.php?m=cpu&id=a7...ualcomm_msm7227 (Hit the browse devices based on ) button

Im sorry if this seems terribly naive but I thought its worth sharing (even if I am called a n00b then tarred + feathered and tied to a lamppost for my stupidity)

I found a CM6 for the Moto XT5 running a MSM7227 http://forum.cyanogenmod.com/topic/13601-m...quench-xt5-502/

Would the Ril files in this ROM work with our handsets??

Sounds too good to be true and also if it were to work, it's not impossible rather hardwork and labor to get it working, nasty job I presume...

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Posted (edited) · Report post

Sounds too good to be true and also if it were to work, it's not impossible rather hardwork and labor to get it working, nasty job I presume...

The RIL files in that XT5 ROM are for CM6 and so should hopefully offer compatibility with CM/AOSP for our devices if these RIL files are compatible with our handset.

Edited by sawta
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Posted (edited) · Report post

I baked these RILS into a softbank ROM and they where just as incompatible with it (no radio) as it as the ZTE RILs are with CM/AOSP Android sets (a good sign?).

Attached are the RILs if anyone with a mostly compatible AOSP build wants to test them

xt5ril.zip

Edited by sawta
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Posted · Report post

Just looking at the symbol table for the XT5 libril-qc-1.so compared to the ZTE Blade version, the XT5 version makes reference to 49 new functions!

store_gprs_state

qcril_reqlist_query_by_re

qcril_other_malloc

qcril_other_free

qcril_lpm_handle_uncomple

qcril_lpm_handle_active_r

qcril_cm_malloc

qcril_cm_free

oem_rapi_streaming_functi

mmgsdi_get_all_pin_status

enter_fast_dormancy2

enter_fast_dormancy

eng_mode_req_dispatcher

eng_mode_parse_hook_heade

eng_mode_oem_register_cod

eng_mode_oem_log_request

eng_mode_hook_log_packet

eng_mode_hook_filter_init

eng_mode_hook_filter_conf

eng_mode_hook_filter_clea

eng_mode_get_cm_store_inf

eng_hook_ste_info_scell_s

eng_hook_ste_info_ncell

eng_hook_ste_info_gsm_ch

eng_hook_ste_info_gprs

eng_hook_qct_umts_ul_tf_i

eng_hook_qct_umts_serving

eng_hook_qct_umts_rlc_ul_

eng_hook_qct_umts_rlc_dl_

eng_hook_qct_umts_reselec

eng_hook_qct_umts_rach_in

eng_hook_qct_umts_ncell_i

eng_hook_qct_umts_l3_rrc_

eng_hook_qct_umts_hs_cqi_

eng_hook_qct_umts_dl_tfc_

eng_hook_qct_umts_dl_tf_i

eng_hook_qct_umts_bler_in

eng_hook_qct_umts_3g_ncel

eng_hook_qct_umts_3g_dch_

eng_hook_qct_umts_3g_agc_

eng_hook_qct_serving_info

eng_hook_qct_gsm_reselect

eng_hook_qct_gsm_misc_inf

eng_hook_qct_gsm_cells_in

eng_hook_qct_gsm_amr_info

eng_hook_qct_gsm_3g_ncell

eng_hook_qct_gprs_serving

eng_hook_qct_gprs_edge_ex

FIH_qcril_cm_ss_convert_u

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Posted · Report post

Just looking at the symbol table for the XT5 libril-qc-1.so compared to the ZTE Blade version, the XT5 version makes reference to 49 new functions!

Interesting, do you know how these compare to a sane RIL?

Could you share how you got that Symbol table, I tried NM but it reports no symbol table is present and IDA freaks out when it sees the ARM arch.

I thought it would be quicker to ask you ;)

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Posted · Report post

Interesting, do you know how these compare to a sane RIL?

Could you share how you got that Symbol table, I tried NM but it reports no symbol table is present and IDA freaks out when it sees the ARM arch.

I thought it would be quicker to ask you ;)

What's a sane RIL?

I just used readelf -s then sorted and uniqed the function names before using diff.

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Posted · Report post

What's a sane RIL?

I just used readelf -s then sorted and uniqed the function names before using diff.

I think by sane he means one without all the extra functions, looking at them (assuming it's the eng_ ones) they may be engineering build things for testing that wouldn't normally make it into the wild.

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Posted · Report post

I think by sane he means one without all the extra functions, looking at them (assuming it's the eng_ ones) they may be engineering build things for testing that wouldn't normally make it into the wild.

Sounds plausible, hopefully their engineering build isn't required to be AOSP compatible.

After having a look at the relatively clean and minimal reference code in /commands/reference-ril/reference-ril.c I'm quite comfortable in saying that our RIL is probably a certified looney!

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Posted · Report post

our RIL is probably a certified looney!

for sure!

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