📄 aic.lst
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###############################################################################
# #
# 08/Mar/2009 17:38:35 #
# IAR ANSI C/C++ Compiler V5.20.2.21007/W32 EVALUATION for ARM #
# Copyright 1999-2008 IAR Systems AB. #
# #
# Cpu mode = arm #
# Endian = little #
# Source file = E:\IAR\at91lib\peripherals\aic\aic.c #
# Command line = E:\IAR\at91lib\peripherals\aic\aic.c -D at91sam9260 -D #
# sdram -lC E:\IAR\at91sam9260-ek\basic-twi-eeprom-project #
# \ewp\at91sam9260_sdram\List\ --remarks --diag_suppress #
# Pe826,Pe1375 -o E:\IAR\at91sam9260-ek\basic-twi-eeprom-p #
# roject\ewp\at91sam9260_sdram\Obj\ --no_cse --no_unroll #
# --no_inline --no_code_motion --no_tbaa --no_clustering #
# --no_scheduling --debug --endian=little #
# --cpu=ARM926EJ-S -e --fpu=None --dlib_config #
# "D:\Program Files\IAR Systems\Embedded Workbench 5.0 #
# Evaluation\ARM\INC\DLib_Config_Full.h" -I #
# E:\IAR\at91sam9260-ek\basic-twi-eeprom-project\ewp\..\.. #
# \..\at91lib\ -I E:\IAR\at91sam9260-ek\basic-twi-eeprom-p #
# roject\ewp\..\..\..\at91lib\boards\at91sam9260-ek\ -I #
# E:\IAR\at91sam9260-ek\basic-twi-eeprom-project\ewp\..\.. #
# \..\at91lib\peripherals\ -I #
# E:\IAR\at91sam9260-ek\basic-twi-eeprom-project\ewp\..\.. #
# \..\at91lib\components\ -I E:\IAR\at91sam9260-ek\basic-t #
# wi-eeprom-project\ewp\..\..\..\at91lib\usb\ -I #
# "D:\Program Files\IAR Systems\Embedded Workbench 5.0 #
# Evaluation\ARM\INC\" --interwork --cpu_mode arm -On #
# List file = E:\IAR\at91sam9260-ek\basic-twi-eeprom-project\ewp\at91s #
# am9260_sdram\List\aic.lst #
# Object file = E:\IAR\at91sam9260-ek\basic-twi-eeprom-project\ewp\at91s #
# am9260_sdram\Obj\aic.o #
# #
# #
###############################################################################
E:\IAR\at91lib\peripherals\aic\aic.c
1 /* ----------------------------------------------------------------------------
2 * ATMEL Microcontroller Software Support
3 * ----------------------------------------------------------------------------
4 * Copyright (c) 2008, Atmel Corporation
5 *
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
10 *
11 * - Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the disclaimer below.
13 *
14 * Atmel's name may not be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 * ----------------------------------------------------------------------------
28 */
29
30 //------------------------------------------------------------------------------
31 // Headers
32 //------------------------------------------------------------------------------
33
34 #include "aic.h"
35 #include <board.h>
36
37 //------------------------------------------------------------------------------
38 // Exported functions
39 //------------------------------------------------------------------------------
40
41 //------------------------------------------------------------------------------
42 /// Configures the interrupt associated with the given source, using the
43 /// specified mode and interrupt handler.
44 /// \param source Interrupt source to configure.
45 /// \param mode Triggering mode of the interrupt.
46 /// \param handler Interrupt handler function.
47 //------------------------------------------------------------------------------
\ In section .text, align 4, keep-with-next
48 void AIC_ConfigureIT(unsigned int source,
49 unsigned int mode,
50 void (*handler)( void ))
51 {
52 // Disable the interrupt first
53 AT91C_BASE_AIC->AIC_IDCR = 1 << source;
\ AIC_ConfigureIT:
\ 00000000 0130A0E3 MOV R3,#+1
\ 00000004 1330B0E1 LSLS R3,R3,R0
\ 00000008 DBC0E0E3 MVN R12,#+219
\ 0000000C E0CECCE3 BIC R12,R12,#0xE00
\ 00000010 00308CE5 STR R3,[R12, #+0]
54
55 // Configure mode and handler
56 AT91C_BASE_AIC->AIC_SMR[source] = mode;
\ 00000014 0430A0E3 MOV R3,#+4
\ 00000018 93001CE0 MULS R12,R3,R0
\ 0000001C 403D5CE2 SUBS R3,R12,#+4096
\ 00000020 001083E5 STR R1,[R3, #+0]
57 AT91C_BASE_AIC->AIC_SVR[source] = (unsigned int) handler;
\ 00000024 0430A0E3 MOV R3,#+4
\ 00000028 93001CE0 MULS R12,R3,R0
\ 0000002C 802F0CE5 STR R2,[R12, #-3968]
58
59 // Clear interrupt
60 AT91C_BASE_AIC->AIC_ICCR = 1 << source;
\ 00000030 0130A0E3 MOV R3,#+1
\ 00000034 1330B0E1 LSLS R3,R3,R0
\ 00000038 D7C0E0E3 MVN R12,#+215
\ 0000003C E0CECCE3 BIC R12,R12,#0xE00
\ 00000040 00308CE5 STR R3,[R12, #+0]
61 }
\ 00000044 1EFF2FE1 BX LR ;; return
62
63 //*----------------------------------------------------------------------------
64 //* \fn AT91F_AIC_ConfigureIt
65 //* \brief Interrupt Handler Initialization
66 //*----------------------------------------------------------------------------
\ In section .text, align 4, keep-with-next
67 unsigned int AIC_ConfigureIt (
68 AT91PS_AIC pAic, // \arg pointer to the AIC registers
69 unsigned int irq_id, // \arg interrupt number to initialize
70 unsigned int priority, // \arg priority to give to the interrupt
71 unsigned int src_type, // \arg activation and sense of activation
72 void (*newHandler) (void) ) // \arg address of the interrupt handler
73 {
\ AIC_ConfigureIt:
\ 00000000 70402DE9 PUSH {R4-R6,LR}
\ 00000004 00C0B0E1 MOVS R12,R0
\ 00000008 10E09DE5 LDR LR,[SP, #+16]
74 unsigned int oldHandler;
75 unsigned int mask ;
76
77 oldHandler = pAic->AIC_SVR[irq_id];
\ 0000000C 0450A0E3 MOV R5,#+4
\ 00000010 95C126E0 MLA R6,R5,R1,R12
\ 00000014 805096E5 LDR R5,[R6, #+128]
\ 00000018 0500B0E1 MOVS R0,R5
78
79 mask = 0x1 << irq_id ;
\ 0000001C 0150A0E3 MOV R5,#+1
\ 00000020 1551B0E1 LSLS R5,R5,R1
\ 00000024 0540B0E1 MOVS R4,R5
80 //* Disable the interrupt on the interrupt controller
81 pAic->AIC_IDCR = mask ;
\ 00000028 24418CE5 STR R4,[R12, #+292]
82 //* Save the interrupt handler routine pointer and the interrupt priority
83 pAic->AIC_SVR[irq_id] = (unsigned int) newHandler ;
\ 0000002C 0450A0E3 MOV R5,#+4
\ 00000030 95C126E0 MLA R6,R5,R1,R12
\ 00000034 80E086E5 STR LR,[R6, #+128]
84 //* Store the Source Mode Register
85 pAic->AIC_SMR[irq_id] = src_type | priority ;
\ 00000038 0450A0E3 MOV R5,#+4
\ 0000003C 95C126E0 MLA R6,R5,R1,R12
\ 00000040 035092E1 ORRS R5,R2,R3
\ 00000044 005086E5 STR R5,[R6, #+0]
86 //* Clear the interrupt on the interrupt controller
87 pAic->AIC_ICCR = mask ;
\ 00000048 28418CE5 STR R4,[R12, #+296]
88
89 return oldHandler;
\ 0000004C 7080BDE8 POP {R4-R6,PC} ;; return
90 }
91
92
93 //------------------------------------------------------------------------------
94 /// Enables interrupts coming from the given (unique) source.
95 /// \param source Interrupt source to enable.
96 //------------------------------------------------------------------------------
\ In section .text, align 4, keep-with-next
97 void AIC_EnableIT(unsigned int source)
98 {
99 //* Enable the interrupt on the interrupt controller
100 AT91C_BASE_AIC->AIC_IECR = 1 << source;
\ AIC_EnableIT:
\ 00000000 0110A0E3 MOV R1,#+1
\ 00000004 1110B0E1 LSLS R1,R1,R0
\ 00000008 DF20E0E3 MVN R2,#+223
\ 0000000C E02EC2E3 BIC R2,R2,#0xE00
\ 00000010 001082E5 STR R1,[R2, #+0]
101 }
\ 00000014 1EFF2FE1 BX LR ;; return
102
103 //------------------------------------------------------------------------------
104 /// Disables interrupts coming from the given (unique) source.
105 /// \param source Interrupt source to enable.
106 //------------------------------------------------------------------------------
\ In section .text, align 4, keep-with-next
107 void AIC_DisableIT(unsigned int source)
108 {
109 //* Disable the interrupt on the interrupt controller
110 AT91C_BASE_AIC->AIC_IDCR = 1 << source;
\ AIC_DisableIT:
\ 00000000 0110A0E3 MOV R1,#+1
\ 00000004 1110B0E1 LSLS R1,R1,R0
\ 00000008 DB20E0E3 MVN R2,#+219
\ 0000000C E02EC2E3 BIC R2,R2,#0xE00
\ 00000010 001082E5 STR R1,[R2, #+0]
111 //* Clear the interrupt on the Interrupt Controller ( if one is pending )
112 AT91C_BASE_AIC->AIC_ICCR = 1 << source;
\ 00000014 0110A0E3 MOV R1,#+1
\ 00000018 1110B0E1 LSLS R1,R1,R0
\ 0000001C D720E0E3 MVN R2,#+215
\ 00000020 E02EC2E3 BIC R2,R2,#0xE00
\ 00000024 001082E5 STR R1,[R2, #+0]
113
114 }
\ 00000028 1EFF2FE1 BX LR ;; return
115
Maximum stack usage in bytes:
Function .cstack
-------- -------
AIC_ConfigureIT 0
AIC_ConfigureIt 0
AIC_DisableIT 0
AIC_EnableIT 0
Section sizes:
Function/Label Bytes
-------------- -----
AIC_ConfigureIT 72
AIC_ConfigureIt 80
AIC_EnableIT 24
AIC_DisableIT 44
220 bytes in section .text
220 bytes of CODE memory
Errors: none
Warnings: none
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