P:0x460 P:0x4AF \\sieve\isr never 0.000% - 0 0 0 - 80 0 P:0x488 P:0x4AF \\sieve\isr\exc_snoop never 0.000% - 0 0 0 - 40 0 P:0x488 P:0x48F isr.c \14--22 .\src never 0.000% - 0 0 0 - 8 0 P:0x490 P:0x493 isr.c \23--23 .\src never 0.000% - 0 0 0 - 4 0 P:0x494 P:0x49F isr.c \24--24 .\src never 0.000% - 0 0 0 - 12 0 P:0x4A0 P:0x4AF isr.c \25--25 .\src never 0.000% - 0 0 0 - 16 0 never 0.000% - 0 0 0 0 80 0 14 15 16/* Interrupt Service Routine for Timer0 to serve monitor code 17 * for real-time snooping of the PC 18 * on an ARM922T Excalibur device 19 */ 20void exc_snoop() __attribute__ ((interrupt ("IRQ"))); 21void exc_snoop() never22{ neverSR:00000488E92D080Cexc_snoop:stmdb r13!,{r2-r3,r11} neverSR:0000048CE28DB008add r11,r13,#0x8r11,r13,#8 never23 __asm__("mcr p14,0,r14,c1,c0"); // save location at which interrupt occured to DCC register neverSR:00000490EE01EE10mcr p14,0x0,r14,c1,c0,0x0 never24 *((unsigned int*)0x7FFFC200)=0x1C; // remove interrrupt from Timer0 neverSR:00000494E59F3010ldr r3,0x4AC neverSR:00000498E3A0201Cmov r2,#0x1Cr2,#28 neverSR:0000049CE5832000str r2,[r3] never25} neverSR:000004A0E24BD008sub r13,r11,#0x8r13,r11,#8 neverSR:000004A4E8BD080Cldmia r13!,{r2-r3,r11} neverSR:000004A8E25EF004subs pc,r14,#0x4pc,r14,#4 neverSP:000004AC7FFFC200dcd 0x7FFFC200 26 27