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/* This testcase is part of GDB, the GNU debugger.
Copyright (C) 2018-2021 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
int main (void)
{
/* Set Load Stream Disable bit in DSCR. */
unsigned long dscr = 0x20;
/* This is the non-privileged SPR number to access DSCR,
available since isa 207. */
asm volatile ("mtspr 3,%0" : : "r" (dscr));
/* Set PPR to low priority (010 in bits 11:13, or
0x0008000000000000). */
asm volatile ("or 1,1,1");
asm volatile ("nop"); // marker
asm volatile ("nop");
return 0;
}
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