diff options
Diffstat (limited to 'c/src/exec/score/cpu/hppa1.1/rtems.S')
| -rw-r--r-- | c/src/exec/score/cpu/hppa1.1/rtems.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/c/src/exec/score/cpu/hppa1.1/rtems.S b/c/src/exec/score/cpu/hppa1.1/rtems.S new file mode 100644 index 0000000000..3f02c9d006 --- /dev/null +++ b/c/src/exec/score/cpu/hppa1.1/rtems.S @@ -0,0 +1,53 @@ +/* rtems.S + * + * This file contains the single entry point code for + * the HPPA implementation of RTEMS. + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems/score/hppa.h> +#include <rtems/score/cpu_asm.h> + + .SPACE $PRIVATE$ + .SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31 + .SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82 + .SPACE $TEXT$ + .SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44 + .SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY + .SPACE $TEXT$ + .SUBSPA $CODE$ + + .align 32 + .EXPORT cpu_jump_to_directive,ENTRY,PRIV_LEV=0 +cpu_jump_to_directive + .PROC + .CALLINFO FRAME=0,NO_CALLS + .ENTRY + +# invoke user interrupt handler + +# XXX: look at register usage and code +# XXX: this is not necessarily right!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! +# r9 = directive number + + .import _Entry_points,data + ldil L%_Entry_points,%r8 + ldo R%_Entry_points(%r8),%r8 + ldwx,s %r9(%r8),%r8 + + .call ARGW0=GR + bv,n 0(%r8) + nop + + .EXIT + .PROCEND + |