qemu/target/s390x/tcg/crypto_helper.c
Cho, Yu-Chen c9274b6bf0 target/s390x: start moving TCG-only code to tcg/
move everything related to translate, as well as HELPER code in tcg/

mmu_helper.c stays put for now, as it contains both TCG and KVM code.

After the reshuffling, update MAINTAINERS accordingly.
Make use of the new directory:

target/s390x/tcg/

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Cho, Yu-Chen <acho@suse.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210707105324.23400-8-acho@suse.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2021-07-07 14:01:56 +02:00

62 lines
1.5 KiB
C

/*
* s390x crypto helpers
*
* Copyright (c) 2017 Red Hat Inc
*
* Authors:
* David Hildenbrand <david@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qemu/main-loop.h"
#include "s390x-internal.h"
#include "tcg_s390x.h"
#include "exec/helper-proto.h"
#include "exec/exec-all.h"
#include "exec/cpu_ldst.h"
uint32_t HELPER(msa)(CPUS390XState *env, uint32_t r1, uint32_t r2, uint32_t r3,
uint32_t type)
{
const uintptr_t ra = GETPC();
const uint8_t mod = env->regs[0] & 0x80ULL;
const uint8_t fc = env->regs[0] & 0x7fULL;
uint8_t subfunc[16] = { 0 };
uint64_t param_addr;
int i;
switch (type) {
case S390_FEAT_TYPE_KMAC:
case S390_FEAT_TYPE_KIMD:
case S390_FEAT_TYPE_KLMD:
case S390_FEAT_TYPE_PCKMO:
case S390_FEAT_TYPE_PCC:
if (mod) {
tcg_s390_program_interrupt(env, PGM_SPECIFICATION, ra);
}
break;
}
s390_get_feat_block(type, subfunc);
if (!test_be_bit(fc, subfunc)) {
tcg_s390_program_interrupt(env, PGM_SPECIFICATION, ra);
}
switch (fc) {
case 0: /* query subfunction */
for (i = 0; i < 16; i++) {
param_addr = wrap_address(env, env->regs[1] + i);
cpu_stb_data_ra(env, param_addr, subfunc[i], ra);
}
break;
default:
/* we don't implement any other subfunction yet */
g_assert_not_reached();
}
return 0;
}