This discussion has been locked.

You can no longer post new replies to this discussion. If you have a question you can start a new discussion

i.MX8M Mini Cortex a53 After Exception Return Synchronous exception occurred

Before exception returns cpsr value is fine,

(gdb) info registers
x0             0x30390008   809041928
x1             0x3   3
x2             0x910100   9502976
x3             0xf   15
x4             0xffffffffffffffff   -1
x5             0x1c   28
x6             0xffffffffffffffff   -1
x7             0x0   0
x8             0x0   0
x9             0x2   2
x10            0xa200023   169869347
x11            0x2   2
x12            0x2   2
x13            0x16   22
x14            0x90e558   9495896
x15            0x13da4   81316
x16            0x0   0
x17            0xff   255
x18            0x20   32
x19            0x0   0
x20            0xc9daa625   3386549797
x21            0x90ce68   9490024
x22            0x90c000   9486336
x23            0x30350480   808780928
x24            0x2   2
x25            0x910000   9502720
x26            0x30390070   809042032
x27            0x72000000   1912602624
x28            0x0   0
x29            0x901ff0   9445360
x30            0x7e1034   8261684
sp             0x910100   0x910100
pc             0x7e1000   0x7e1000 <start64>
cpsr           0x600003cd   [ SP EL #3 F I A D C Z ]

after exception returns EL3 to EL1 cpsr register collapse,

(gdb) info registers
x0             0x7e1174   8262004
x1             0x92ffff   9633791
x2             0x0   0
x3             0x4   4
x4             0x0   0
x5             0x0   0
x6             0x0   0
x7             0x0   0
x8             0x0   0
x9             0x0   0
x10            0x0   0
x11            0x0   0
x12            0x0   0
x13            0x0   0
x14            0x0   0
x15            0x0   0
x16            0x0   0
x17            0x0   0
x18            0x0   0
x19            0x0   0
x20            0x0   0
x21            0x0   0
x22            0x0   0
x23            0x0   0
x24            0x0   0
x25            0x0   0
x26            0x0   0
x27            0x0   0
x28            0x0   0
x29            0x0   0
x30            0x7e1184   8262020
sp             0xffd149a18804090b   0xffd149a18804090b
pc             0x7e3efc   0x7e3efc <main+4>
cpsr           0xaaaaaaaa   [ #1 #3 #5 I D #11 #13 #15 #17 #19 SS UAO TCO #27 C N ]

anything i have missed in exception returns high level to low level. kindly share your thoughts..

Thanks.