kernel/arch/riscv64: restore SSTATUS register first

It cause to disable interrupts needed for correct trap frame restore. Change-Id: I8b60023c9a878eb147796e76adb344c377cfcf11 Reviewed-on: https://review.haiku-os.org/c/haiku/+/5255 Tested-by: Commit checker robot <[email protected]> Reviewed-by: X512 <[email protected]> Reviewed-by: Adrien Destugues <[email protected]> Reviewed-by: Alex von Gluck IV <[email protected]>
2023-04-30 23:46:57 +00:00
parent 997adc7e61
commit b01b40745e
1 changed files with 3 additions and 3 deletions
@@ -64,14 +64,14 @@ FUNCTION(SVecU):
 	call STrap

 FUNCTION(SVecURet):
+	ld   t0, IFRAME_status(sp)
+	csrw sstatus, t0
+
 	csrw sscratch, fp # save kernel SP

 	la   t0,    SVecU
 	csrw stvec, t0

-	ld   t0, IFRAME_status(sp)
-	csrw sstatus, t0
-
 	ld tp, IFRAME_tp(sp)
 	ld t0, IFRAME_epc(sp)
 	csrw sepc, t0