Fix fcsr save slot address calculation

h/t @jrtc27
5 years ago · b7ee973477
1 changed files with 1 additions and 1 deletions
--- a/machine/minit.c
+++ b/machine/minit.c
@ -243,7 +243,7 @@ void enter_supervisor_mode(void (*fn)(uintptr_t), uintptr_t arg0, uintptr_t arg1
  write_csr(mstatus, mstatus);
  write_csr(mscratch, MACHINE_STACK_TOP() - MENTRY_FRAME_SIZE);
 #ifndef __riscv_flen
-  uintptr_t *p_fcsr = (uintptr_t*)MACHINE_STACK_TOP() - MENTRY_FRAME_SIZE; // the x0's save slot
+  uintptr_t *p_fcsr = (uintptr_t*)(MACHINE_STACK_TOP() - MENTRY_FRAME_SIZE); // the x0's save slot
  *p_fcsr = 0;
 #endif
  write_csr(mepc, fn);