test/exec/supertest.c

   1 /*
   2     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <aros/debug.h>
   7 #include <exec/types.h>
   8 #include <proto/exec.h>
   9 #include <proto/dos.h>
  10 #include <proto/kernel.h>
  11
  12 extern IPTR a(void);
  13 extern IPTR b(void);
  14
  15 #ifdef __GNUC__
  16 #ifdef __mc68000
  17 #define HAVE_ASM_CODE
  18 asm(
  19 "       .text\n"
  20 "       .balign 2\n"
  21 "       .globl  a\n"
  22 "a:\n"
  23 "       movew   %sr,%d0\n"
  24 "       rts\n"
  25 "       .globl  b\n"
  26 "b:\n"
  27 "       movew   %sp@,%d0\n"
  28 "       rte\n"
  29 );
  30 #endif
  31 #ifdef __i386__
  32 #define HAVE_ASM_CODE
  33 __asm__(
  34 "       .globl  a\n"
  35 "a:\n"
  36 "       pushf\n"
  37 "       popl    %eax\n"
  38 "       ret\n"
  39 "       .globl  b\n"
  40 "b:\n"
  41 "       movl    %esp,%eax\n"
  42 "       iret\n"
  43 );
  44 #endif
  45 #ifdef __x86_64__
  46 #define HAVE_ASM_CODE
  47 __asm__(
  48 "       .globl  a\n"
  49 "a:\n"
  50 "       pushf\n"
  51 "       popq    %rax\n"
  52 "       ret\n"
  53 "       .globl  b\n"
  54 "b:\n"
  55 "       movq    %rsp, %rax\n"
  56 "       iretq\n"
  57 );
  58 #endif
  59 #endif
  60
  61 int __nocommandline = 1;
  62
  63 int main(void)
  64 {
  65     APTR KernelBase = OpenResource("kernel.resource");
  66     struct Task *me = FindTask(NULL);
  67     APTR ssp;
  68
  69     Printf("GetCC()             : %04lx\n",GetCC());
  70     Printf("SetSR()             : %08lx\n",SetSR(0,0));
  71
  72     if (KernelBase)
  73         Printf("KrnIsSuper()        : %d\n", KrnIsSuper());
  74
  75     Printf("Task stack          : 0x%p - 0x%p\n", me->tc_SPLower, me->tc_SPUpper);
  76     Printf("Supervisor stack    : 0x%p - 0x%p\n", SysBase->SysStkLower, SysBase->SysStkUpper);
  77
  78     ssp = SuperState();
  79     if (ssp)
  80     {
  81         bug("Entered SuperState...\n");
  82
  83         int issuper = 0;
  84 #ifdef HAVE_ASM_CODE
  85         IPTR ar = a();
  86 #endif
  87
  88         if (KernelBase)
  89             issuper = KrnIsSuper();
  90
  91         bug("Leaving SuperState...\n");
  92         UserState(ssp);
  93
  94         if (KernelBase)
  95             Printf("Supervisor mode test: %d\n", issuper);
  96
  97         Printf("Saved stack         : 0x%p\n", ssp);
  98 #ifdef HAVE_ASM_CODE
  99         Printf("Supervisor flags    : 0x%p\n", ar);
 100 #endif
 101     }
 102     else
 103         Printf("!!! SuperState() failed to enter supervisor mode (returned NULL) !!!\n");
 104
 105 #ifdef HAVE_ASM_CODE
 106     Printf("User flags          : 0x%p\n", a());
 107     Printf("Supervisor stack    : 0x%p\n", Supervisor(b));
 108 #endif
 109
 110     return 0;
 111 }