arch/arm-all/stdc/setjmp.s

   1 /*
   2  * setjmp.s
   3  *
   4  *  Created on: Aug 5, 2009
   5  *      Author: misc
   6  *  $Id$
   7  */
   8
   9 #include "aros/arm/asm.h"
  10
  11         .text
  12         .align  2
  13         .global AROS_CDEFNAME(setjmp)
  14         .type   AROS_CDEFNAME(setjmp),%function
  15
  16 AROS_CDEFNAME(setjmp):
  17         mov     ip, r0                                          /* Get the env address */
  18         str     lr, [ip], #4                                    /* store return address explicitly */
  19         stmia   ip!, {r4, r5, r6, r7, r8, r9, sl, fp, sp}       /* store non-scratch regs */
  20         mov     r0, #0                                          /* return zero */
  21 #ifdef __SOFTFP__
  22         ldr     r1, 1f
  23         ldr     r1, [r1]
  24         mov     r2, AttnFlags
  25         ldrh    r1, [r1, r2]
  26         tst     r1, AFF_FPU
  27         bxeq    lr
  28 #endif
  29         fstmiax ip!, {d8-d15}                                   /* Store VFP registers - we assume they are available! */
  30         fmrx    r2, fpscr                                       /* VFP condition codes */
  31         str     r2, [ip], #4
  32         bx      lr
  33 #ifdef __SOFTFP__
  34 1:      .word   SysBase
  35 #endif