A Simple operation System using S3C2410: arch/s3c2440/isrs.S Source File

00001 /**************************
00002 * project: bootloader using 
00003 * Function: s3c2440 interrupt service routines in assembly
00004 *
00005 * file:   isrs.s
00006 * author: Book Chen
00007 * date:   2008.08.20
00008 ****************************
00009 */
00010 #include "asm_linkage.h"
00011 
00012 .extern ClearPending
00013 .extern F_TimerTimer1IsrHook
00014 .extern F_Uart0IsrHook
00015 
00016 .globl F_IsrTimer0
00017 .globl F_IsrTimer1
00018 .globl F_IsrTimer2
00019 .globl F_IsrTimer3
00020 .globl F_IsrTimer4
00021 .globl F_IsrUart0
00022 
00023 
00024 ENTRY(Isrs)
00025 F_IsrTimer0:
00026     stmfd r13!,{r0-r3,r12,r14}
00027     mov  r0,#0x400
00028     bl    ClearPending
00029     ldmfd r13!,{r0-r3,r12,r14}
00030     subs  pc,r14,#4
00031 
00032 F_IsrTimer1:
00033     stmfd r13!,{r0-r3,r12,r14}
00034     mov  r0,#0x800
00035     bl    ClearPending
00036     bl    F_TimerTimer1IsrHook
00037     ldmfd r13!,{r0-r3,r12,r14}
00038     subs  pc,r14,#4
00039 
00040 F_IsrTimer2:
00041     stmfd r13!,{r0-r3,r12,r14}
00042     mov  r0,#0x1000
00043     bl    ClearPending
00044     ldmfd r13!,{r0-r3,r12,r14}
00045     subs  pc,r14,#4
00046 
00047 F_IsrTimer3:
00048     stmfd r13!,{r0-r3,r12,r14}
00049     mov  r0,#0x2000
00050     bl    ClearPending
00051     ldmfd r13!,{r0-r3,r12,r14}
00052     subs  pc,r14,#4
00053 
00054 F_IsrTimer4:
00055     stmfd r13!,{r0-r3,r12,r14}
00056     mov  r0,#0x4000
00057     bl    ClearPending
00058     ldmfd r13!,{r0-r3,r12,r14}
00059     subs  pc,r14,#4
00060 
00061 F_IsrUart0:
00062     stmfd r13!,{r0-r3,r12,r14}
00063     bl    F_Uart0IsrHook
00064     ldmfd r13!,{r0-r3,r12,r14}
00065     subs  pc,r14,#4
00066