blob: a189adf1dbb17592d73bb981f15093030b923325 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* 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; version 2 of the License.
*
* 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.
*/
// "return" to a payload pointed to by a1 with
// an M-mode pointer (or, to upper levels, physical address)
// to the config string in a0.
.global riscvpayload
riscvpayload:
mv t0,a1
csrw mepc, t0
csrr t0, mstatus
li t1, ~(3<<11)
and t0, t0, t1
li t2, (1<<11)
or t0, t0, t2
csrw mstatus, t0
mret