haraldwolff/qemu-patch-raspberry4
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

target/s390x: implement MOVE NUMERICS

Browse source 
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <20170531220129.27724-12-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Aurelien Jarno 2017-06-01 00:01:10 +02:00 committed by Richard Henderson
parent 6c9deca8a1
commit 256dab6fe8
4 changed files with 24 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
target/s390x/helper.h
View file

@ -13,6 +13,7 @@ DEF_HELPER_FLAGS_3(divs64, TCG_CALL_NO_WG, s64, env, s64, s64)
DEF_HELPER_FLAGS_4(divu64, TCG_CALL_NO_WG, i64, env, i64, i64, i64)
DEF_HELPER_4(srst, i64, env, i64, i64, i64)
DEF_HELPER_4(clst, i64, env, i64, i64, i64)
DEF_HELPER_FLAGS_4(mvn, TCG_CALL_NO_WG, void, env, i32, i64, i64)
DEF_HELPER_FLAGS_4(mvpg, TCG_CALL_NO_WG, i32, env, i64, i64, i64)
DEF_HELPER_4(mvst, i64, env, i64, i64, i64)
DEF_HELPER_4(ex, void, env, i32, i64, i64)

2
target/s390x/insn-data.def
View file

@ -576,6 +576,8 @@
C(0x0e00, MVCL, RR_a, Z, 0, 0, 0, 0, mvcl, 0)
/* MOVE LONG EXTENDED */
C(0xa800, MVCLE, RS_a, Z, 0, a2, 0, 0, mvcle, 0)
/* MOVE NUMERICS */
C(0xd100, MVN, SS_a, Z, la1, a2, 0, 0, mvn, 0)
/* MOVE PAGE */
C(0xb254, MVPG, RRE, Z, r1_o, r2_o, 0, 0, mvpg, 0)
/* MOVE STRING */

13
target/s390x/mem_helper.c
View file

@ -243,6 +243,19 @@ void HELPER(mvcin)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src)
}
}
/* move numerics */
void HELPER(mvn)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src)
{
uintptr_t ra = GETPC();
int i;
for (i = 0; i <= l; i++) {
uint8_t v = cpu_ldub_data_ra(env, dest + i, ra) & 0xf0;
v |= cpu_ldub_data_ra(env, src + i, ra) & 0x0f;
cpu_stb_data_ra(env, dest + i, v, ra);
}
}
/* compare unsigned byte arrays */
static uint32_t do_helper_clc(CPUS390XState *env, uint32_t l, uint64_t s1,
uint64_t s2, uintptr_t ra)

8
target/s390x/translate.c
View file

@ -2988,6 +2988,14 @@ static ExitStatus op_mvcs(DisasContext *s, DisasOps *o)
}
#endif
static ExitStatus op_mvn(DisasContext *s, DisasOps *o)
{
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
gen_helper_mvn(cpu_env, l, o->addr1, o->in2);
tcg_temp_free_i32(l);
return NO_EXIT;
}
static ExitStatus op_mvpg(DisasContext *s, DisasOps *o)
{
gen_helper_mvpg(cc_op, cpu_env, regs[0], o->in1, o->in2);