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Is it possible to load two project in one debug mode to simulate Boot loader and Application simulation
Configuration for the Boot loader is Flash - Start Address - 0x0000 Length - 0x1000
Configuration for Application is Flash - Start Address - 0x1000 Length - 0x7000
When Boot Loader programs a valid application in flash it will jump to Application i.e. 0x1000 location
/* Load main stack pointer with application stack pointer initial value, stored at first location of application area */ asm volatile("ldr r0, =0x1000"); asm volatile("ldr r0, [r0]"); asm volatile("mov sp, r0"); /* Load program counter with application reset vector address, located at second word of application area. */ asm volatile("ldr r0, =0x1004"); asm volatile("ldr r0, [r0]"); asm volatile("mov pc, r0");
But when we check the location in 0x1000 and 0x1004 instead of branch instruction LSLS instruction is present , please have a look below
0x00001000 0270 LSLS r0,r6,#9rload_rt2_thumb_only (0x000000C8) 0x00001004 0169 LSLS r1,r5,#5rload_rt2_thumb_only (0x000000C8)
please help?
Any help?
Maybe because these are not really instructions, but data?! Did you read the user manual of the Cortex architecture?
Your own words:
/* Load program counter with application reset vector address, located at second word of application area. */
Now you need to make a little lead of faith...
"Leap of faith"
See also: http://www.keil.com/forum/19073