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abb_inth.c: check all interrupt causes, not just one The original code used if - else if - else if etc constructs, thus the first detected interrupt was the only one handled. However, Iota ITSTATREG is a clear-on-read register, thus if we only handle the first detected interrupt and skip checking the others, then the other interrupts will be lost, if more than one interrupt happened to occur in one ABB interrupt handling cycle - a form of rare race condition. Change the code to check all interrupts that were read in this cycle.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:17:53 +0000
parents 35f7a1dc9f7d
children
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;********************************************************************************
;*** File           : gmmsms.pdf
;*** Creation       : Wed Mar 11 09:58:06 CST 2009
;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1
;*** Copyright      : (c) Texas Instruments AG, Berlin Germany 2002
;********************************************************************************
;*** Document Type  : Service Access Point Specification
;*** Document Name  : gmmsms
;*** Document No.   : 8441.105.99.001
;*** Document Date  : 1999-06-22
;*** Document Status: BEING_PROCESSED
;*** Document Author: ANS
;********************************************************************************



PRAGMA 	SRC_FILE_TIME 	"Thu Nov 29 09:42:44 2007"
PRAGMA 	LAST_MODIFIED 	"1999-06-22"
PRAGMA 	ID_AND_VERSION 	"8441.105.99.001"






VALTAB 	VAL_reg_state
VAL 	0 	SMS_RS_DEREGISTERED 	"GMM context for SMS is removed"
VAL 	1 	SMS_RS_REGISTERED 	"GMM context for SMS is built"

VALTAB 	VAL_radio_priority_level
VAL 	DEF 	 	"priority level 4"
VAL 	1 	SMS_RP_LEVEL_1 	"priority level 1"
VAL 	2 	SMS_RP_LEVEL_2 	"priority level 2??????????"
VAL 	3 	SMS_RP_LEVEL_3 	"priority level 3"
VAL 	4 	SMS_RP_LEVEL_4 	"priority level 4"




VAR 	reg_state 	"Registration state" 	B

VAL 	@p_gmmsms - VAL_reg_state@ 	

VAR 	radio_priority_level 	"Radio priority level" 	B

VAL 	@p_gmmsms - VAL_radio_priority_level@ 	







; GMMSMS_REG_STATE_REQ 	0x2300
; GMMSMS_REG_STATE_CNF 	0x6300



PRIM 	GMMSMS_REG_STATE_REQ 	0x2300
{
}






PRIM 	GMMSMS_REG_STATE_CNF 	0x6300
{
 	reg_state 	 ; Registration state
 	radio_priority_level 	 ; Radio priority level
}