Pass trap frame pointer to the _start_trap_rust function

Disasm · Disasm · commit f956817f402b · 2020-02-29T16:32:53.000+03:00
diff --git a/riscv-rt/asm.S b/riscv-rt/asm.S
@@ -128,6 +128,7 @@ _start_trap:
     STORE a6, 14*REGBYTES(sp)
     STORE a7, 15*REGBYTES(sp)
 
+    add a0, sp, zero
     jal ra, _start_trap_rust
 
     LOAD ra, 0*REGBYTES(sp)
