Branch to main fails (ends up in SWI handler)

I have a project that works until I add in some C modules that I inherited from someone else. The startup code (sam7.s) is the default startup code supplied by KEIL for the ATMEL AT91SAM7S256 (for MDK...
Branch to main fails (ends up in SWI handler)

I have a project that works until I add in some C modules that I inherited from someone else. The startup code (sam7.s) is the default startup code supplied by KEIL for the ATMEL AT91SAM7S256 (for MDK...
DMA IRQ handler

when i execute dma with irq handler code,irq handler is not executing . insted it goes to statup file end at b. instruction. i obseved that dma irq hadler was not initialised in startup and .c files...
LPC3250 IRQ HANDLER

Hi i have doubt in lpc3250 irq handler. can any one explain the this asm code? __asm void IRQ_Handler (void) { /* Common IRQ Handler */ PRESERVE8 ARM STMDB SP!,{R0} ; Save R0 LDR R0,=__cpp((unsigned...
LPC3250 IRQ HANDLER

Hi i have doubt in lpc3250 irq handler. can any one explain the this asm code? __asm void IRQ_Handler (void) { /* Common IRQ Handler */ PRESERVE8 ARM STMDB SP!,{R0} ; Save R0 LDR R0,=__cpp((unsigned...