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target-s390: Convert CSP 

Signed-off-by: Richard Henderson <rth@twiddle.net>
master
Richard Henderson 2012-08-27 09:57:18 -07:00
parent 204504e2fa
commit 3d596f4912
4 changed files with 18 additions and 16 deletions
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2
target-s390x/helper.h
View File

@ -99,7 +99,7 @@ DEF_HELPER_FLAGS_2(tprot, TCG_CALL_NO_RWG, i32, i64, i64)
DEF_HELPER_FLAGS_2(iske, TCG_CALL_NO_RWG_SE, i64, env, i64)
DEF_HELPER_FLAGS_3(sske, TCG_CALL_NO_RWG, void, env, i64, i64)
DEF_HELPER_FLAGS_2(rrbe, TCG_CALL_NO_RWG, i32, env, i64)
DEF_HELPER_3(csp, i32, env, i32, i32)
DEF_HELPER_3(csp, i32, env, i32, i64)
DEF_HELPER_4(mvcs, i32, env, i64, i64, i64)
DEF_HELPER_4(mvcp, i32, env, i64, i64, i64)
DEF_HELPER_4(sigp, i32, env, i64, i32, i64)

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

@ -614,6 +614,8 @@
C(0xf300, UNPK, SS_a, Z, la1, a2, 0, 0, unpk, 0)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */
C(0xb250, CSP, RRE, Z, 0, ra2, 0, 0, csp, 0)
/* DIAGNOSE (KVM hypercall) */
C(0x8300, DIAG, RX_a, Z, 0, 0, 0, 0, diag, 0)
/* INSERT STORAGE KEY EXTENDED */

6
target-s390x/mem_helper.c
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@ -984,16 +984,16 @@ uint32_t HELPER(rrbe)(CPUS390XState *env, uint64_t r2)
}
/* compare and swap and purge */
uint32_t HELPER(csp)(CPUS390XState *env, uint32_t r1, uint32_t r2)
uint32_t HELPER(csp)(CPUS390XState *env, uint32_t r1, uint64_t r2)
{
uint32_t cc;
uint32_t o1 = env->regs[r1];
uint64_t a2 = get_address_31fix(env, r2) & ~3ULL;
uint64_t a2 = r2 & ~3ULL;
uint32_t o2 = cpu_ldl_data(env, a2);
if (o1 == o2) {
cpu_stl_data(env, a2, env->regs[(r1 + 1) & 15]);
if (env->regs[r2] & 0x3) {
if (r2 & 0x3) {
/* flush TLB / ALB */
tlb_flush(env, 1);
}

24
target-s390x/translate.c
View File

@ -1033,18 +1033,6 @@ static void disas_b2(CPUS390XState *env, DisasContext *s, int op,
LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
switch (op) {
case 0x50: /* CSP R1,R2 [RRE] */
/* Compare And Swap And Purge */
check_privileged(s);
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r2);
gen_helper_csp(cc_op, cpu_env, tmp32_1, tmp32_2);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x78: /* STCKE D2(B2) [S] */
/* Store Clock Extended */
decode_rs(s, insn, &r1, &r3, &b2, &d2);
@ -1901,6 +1889,18 @@ static ExitStatus op_csg(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
#ifndef CONFIG_USER_ONLY
static ExitStatus op_csp(DisasContext *s, DisasOps *o)
{
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
check_privileged(s);
gen_helper_csp(cc_op, cpu_env, r1, o->in2);
tcg_temp_free_i32(r1);
set_cc_static(s);
return NO_EXIT;
}
#endif
static ExitStatus op_cds(DisasContext *s, DisasOps *o)
{
int r3 = get_field(s->fields, r3);