Refine VFP context for Coretex-A9 (#1209)

s0–s15 (d0–d7, q0–q3) and d16–d31 (q8–q15) are caller save register Signed-off-by: wangfei_chen <wangfei_chen@realsil.com.cn> Co-authored-by: wangfei_chen <wangfei_chen@realsil.com.cn>
1 month ago · e169442c29
parent 3ddfffda04
commit e169442c29
1 changed files with 2 additions and 2 deletions
--- a/portable/GCC/ARM_CA9/portASM.S
+++ b/portable/GCC/ARM_CA9/portASM.S
@ -302,7 +302,7 @@ switch_before_exit:
 vApplicationIRQHandler:
    PUSH    {LR}
    FMRX    R1,  FPSCR
-    VPUSH   {D0-D15}
+    VPUSH   {D0-D7}
    VPUSH   {D16-D31}
    PUSH    {R1}

@ -311,7 +311,7 @@ vApplicationIRQHandler:

    POP     {R0}
    VPOP    {D16-D31}
-    VPOP    {D0-D15}
+    VPOP    {D0-D7}
    VMSR    FPSCR, R0

    POP {PC}