@@ -24,6 +24,7 @@ DEF_HELPER_FLAGS_4(stam, TCG_CALL_NO_WG, void, env, i32, i64, i32)
DEF_HELPER_FLAGS_4(lam, TCG_CALL_NO_WG, void, env, i32, i64, i32)
DEF_HELPER_4(mvcle, i32, env, i32, i64, i32)
DEF_HELPER_4(clcle, i32, env, i32, i64, i32)
+DEF_HELPER_4(clclu, i32, env, i32, i64, i32)
DEF_HELPER_3(cegb, i64, env, s64, i32)
DEF_HELPER_3(cdgb, i64, env, s64, i32)
DEF_HELPER_3(cxgb, i64, env, s64, i32)
@@ -220,6 +220,8 @@
C(0x0f00, CLCL, RR_a, Z, 0, 0, 0, 0, clcl, 0)
/* COMPARE LOGICAL LONG EXTENDED */
C(0xa900, CLCLE, RS_a, Z, 0, a2, 0, 0, clcle, 0)
+/* COMPARE LOGICAL LONG UNICODE */
+ C(0xeb8f, CLCLU, RSY_a, E2, 0, a2, 0, 0, clclu, 0)
/* COMPARE LOGICAL CHARACTERS UNDER MASK */
C(0xbd00, CLM, RS_b, Z, r1_o, a2, 0, 0, clm, 0)
C(0xeb21, CLMY, RSY_b, LD, r1_o, a2, 0, 0, clm, 0)
@@ -67,6 +67,32 @@ static inline uint32_t adj_len_to_page(uint32_t len, uint64_t addr)
return len;
}
+/* Trigger a SPECIFICATION exception if an address or a length is not
+ naturally aligned. */
+static inline void check_alignment(CPUS390XState *env, uint64_t v,
+ int wordsize, uintptr_t ra)
+{
+ if (v % wordsize) {
+ CPUState *cs = CPU(s390_env_get_cpu(env));
+ cpu_restore_state(cs, ra);
+ program_interrupt(env, PGM_SPECIFICATION, 6);
+ }
+}
+
+/* Load a value from memory according to its size. */
+static inline uint64_t cpu_ldusize_data_ra(CPUS390XState *env, uint64_t addr,
+ int wordsize, uintptr_t ra)
+{
+ switch (wordsize) {
+ case 1:
+ return cpu_ldub_data_ra(env, addr, ra);
+ case 2:
+ return cpu_lduw_data_ra(env, addr, ra);
+ default:
+ abort();
+ }
+}
+
static void fast_memset(CPUS390XState *env, uint64_t dest, uint8_t byte,
uint32_t l, uintptr_t ra)
{
@@ -655,12 +681,14 @@ uint32_t HELPER(mvcle)(CPUS390XState *env, uint32_t r1, uint64_t a2,
static inline uint32_t do_clcl(CPUS390XState *env,
uint64_t *src1, uint64_t *src1len,
uint64_t *src3, uint64_t *src3len,
- uint8_t pad, uint64_t limit,
- uintptr_t ra)
+ uint16_t pad, uint64_t limit,
+ int wordsize, uintptr_t ra)
{
uint64_t len = MAX(*src1len, *src3len);
uint32_t cc = 0;
+ check_alignment(env, *src1len | *src3len, wordsize, ra);
+
if (!len) {
return cc;
}
@@ -672,15 +700,15 @@ static inline uint32_t do_clcl(CPUS390XState *env,
cc = 3;
}
- for (; len; len--) {
- uint8_t v1 = pad;
- uint8_t v3 = pad;
+ for (; len; len -= wordsize) {
+ uint16_t v1 = pad;
+ uint16_t v3 = pad;
if (*src1len) {
- v1 = cpu_ldub_data_ra(env, *src1, ra);
+ v1 = cpu_ldusize_data_ra(env, *src1, wordsize, ra);
}
if (*src3len) {
- v3 = cpu_ldub_data_ra(env, *src3, ra);
+ v3 = cpu_ldusize_data_ra(env, *src3, wordsize, ra);
}
if (v1 != v3) {
@@ -689,12 +717,12 @@ static inline uint32_t do_clcl(CPUS390XState *env,
}
if (*src1len) {
- *src1 += 1;
- *src1len -= 1;
+ *src1 += wordsize;
+ *src1len -= wordsize;
}
if (*src3len) {
- *src3 += 1;
- *src3len -= 1;
+ *src3 += wordsize;
+ *src3len -= wordsize;
}
}
@@ -713,7 +741,7 @@ uint32_t HELPER(clcl)(CPUS390XState *env, uint32_t r1, uint32_t r2)
uint8_t pad = env->regs[r2 + 1] >> 24;
uint32_t cc;
- cc = do_clcl(env, &src1, &src1len, &src3, &src3len, pad, -1, ra);
+ cc = do_clcl(env, &src1, &src1len, &src3, &src3len, pad, -1, 1, ra);
env->regs[r1 + 1] = deposit64(env->regs[r1 + 1], 0, 24, src1len);
env->regs[r2 + 1] = deposit64(env->regs[r2 + 1], 0, 24, src3len);
@@ -735,7 +763,29 @@ uint32_t HELPER(clcle)(CPUS390XState *env, uint32_t r1, uint64_t a2,
uint8_t pad = a2;
uint32_t cc;
- cc = do_clcl(env, &src1, &src1len, &src3, &src3len, pad, 0x2000, ra);
+ cc = do_clcl(env, &src1, &src1len, &src3, &src3len, pad, 0x2000, 1, ra);
+
+ set_length(env, r1 + 1, src1len);
+ set_length(env, r3 + 1, src3len);
+ set_address(env, r1, src1);
+ set_address(env, r3, src3);
+
+ return cc;
+}
+
+/* compare logical long unicode memcompare insn with padding */
+uint32_t HELPER(clclu)(CPUS390XState *env, uint32_t r1, uint64_t a2,
+ uint32_t r3)
+{
+ uintptr_t ra = GETPC();
+ uint64_t src1len = get_length(env, r1 + 1);
+ uint64_t src1 = get_address(env, r1);
+ uint64_t src3len = get_length(env, r3 + 1);
+ uint64_t src3 = get_address(env, r3);
+ uint16_t pad = a2;
+ uint32_t cc = 0;
+
+ cc = do_clcl(env, &src1, &src1len, &src3, &src3len, pad, 0x1000, 2, ra);
set_length(env, r1 + 1, src1len);
set_length(env, r3 + 1, src3len);
@@ -80,8 +80,6 @@ void HELPER(exception)(CPUS390XState *env, uint32_t excp)
cpu_loop_exit(cs);
}
-#ifndef CONFIG_USER_ONLY
-
void program_interrupt(CPUS390XState *env, uint32_t code, int ilen)
{
S390CPU *cpu = s390_env_get_cpu(env);
@@ -108,6 +106,8 @@ void program_interrupt(CPUS390XState *env, uint32_t code, int ilen)
}
}
+#ifndef CONFIG_USER_ONLY
+
/* SCLP service call */
uint32_t HELPER(servc)(CPUS390XState *env, uint64_t r1, uint64_t r2)
{
@@ -1200,6 +1200,7 @@ typedef enum DisasFacility {
FAC_ILA, /* interlocked access facility 1 */
FAC_LPP, /* load-program-parameter */
FAC_DAT_ENH, /* DAT-enhancement */
+ FAC_E2, /* extended-translation facility 2 */
} DisasFacility;
struct DisasInsn {
@@ -1957,6 +1958,27 @@ static ExitStatus op_clcle(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_clclu(DisasContext *s, DisasOps *o)
+{
+ int r1 = get_field(s->fields, r1);
+ int r3 = get_field(s->fields, r3);
+ TCGv_i32 t1, t3;
+
+ /* r1 and r3 must be even. */
+ if (r1 & 1 || r3 & 1) {
+ gen_program_exception(s, PGM_SPECIFICATION);
+ return EXIT_NORETURN;
+ }
+
+ t1 = tcg_const_i32(r1);
+ t3 = tcg_const_i32(r3);
+ gen_helper_clclu(cc_op, cpu_env, t1, o->in2, t3);
+ tcg_temp_free_i32(t1);
+ tcg_temp_free_i32(t3);
+ set_cc_static(s);
+ return NO_EXIT;
+}
+
static ExitStatus op_clm(DisasContext *s, DisasOps *o)
{
TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3));