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-rw-r--r--target/arm/kvm.c4
-rw-r--r--target/arm/kvm_arm.h6
-rw-r--r--target/arm/sve_helper.c107
-rw-r--r--target/arm/translate-sve.c26
-rw-r--r--target/m68k/cpu.c1
-rw-r--r--target/m68k/cpu.h68
-rw-r--r--target/m68k/op_helper.c17
-rw-r--r--target/m68k/translate.c20
8 files changed, 162 insertions, 87 deletions
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index bebea90122..d8381ba224 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -230,12 +230,14 @@ bool kvm_arm_pmu_supported(void)
return kvm_check_extension(kvm_state, KVM_CAP_ARM_PMU_V3);
}
-int kvm_arm_get_max_vm_ipa_size(MachineState *ms)
+int kvm_arm_get_max_vm_ipa_size(MachineState *ms, bool *fixed_ipa)
{
KVMState *s = KVM_STATE(ms->accelerator);
int ret;
ret = kvm_check_extension(s, KVM_CAP_ARM_VM_IPA_SIZE);
+ *fixed_ipa = ret <= 0;
+
return ret > 0 ? ret : 40;
}
diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h
index 68ec970c4f..34f8daa377 100644
--- a/target/arm/kvm_arm.h
+++ b/target/arm/kvm_arm.h
@@ -311,10 +311,12 @@ bool kvm_arm_sve_supported(void);
/**
* kvm_arm_get_max_vm_ipa_size:
* @ms: Machine state handle
+ * @fixed_ipa: True when the IPA limit is fixed at 40. This is the case
+ * for legacy KVM.
*
* Returns the number of bits in the IPA address space supported by KVM
*/
-int kvm_arm_get_max_vm_ipa_size(MachineState *ms);
+int kvm_arm_get_max_vm_ipa_size(MachineState *ms, bool *fixed_ipa);
/**
* kvm_arm_sync_mpstate_to_kvm:
@@ -409,7 +411,7 @@ static inline void kvm_arm_add_vcpu_properties(Object *obj)
g_assert_not_reached();
}
-static inline int kvm_arm_get_max_vm_ipa_size(MachineState *ms)
+static inline int kvm_arm_get_max_vm_ipa_size(MachineState *ms, bool *fixed_ipa)
{
g_assert_not_reached();
}
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 844db08bd5..fd6c58f96a 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -1871,6 +1871,7 @@ void HELPER(sve_zip_p)(void *vd, void *vn, void *vm, uint32_t pred_desc)
intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
int esz = FIELD_EX32(pred_desc, PREDDESC, ESZ);
intptr_t high = FIELD_EX32(pred_desc, PREDDESC, DATA);
+ int esize = 1 << esz;
uint64_t *d = vd;
intptr_t i;
@@ -1883,33 +1884,35 @@ void HELPER(sve_zip_p)(void *vd, void *vn, void *vm, uint32_t pred_desc)
mm = extract64(mm, high * half, half);
nn = expand_bits(nn, esz);
mm = expand_bits(mm, esz);
- d[0] = nn + (mm << (1 << esz));
+ d[0] = nn | (mm << esize);
} else {
- ARMPredicateReg tmp_n, tmp_m;
+ ARMPredicateReg tmp;
/* We produce output faster than we consume input.
Therefore we must be mindful of possible overlap. */
- if ((vn - vd) < (uintptr_t)oprsz) {
- vn = memcpy(&tmp_n, vn, oprsz);
- }
- if ((vm - vd) < (uintptr_t)oprsz) {
- vm = memcpy(&tmp_m, vm, oprsz);
+ if (vd == vn) {
+ vn = memcpy(&tmp, vn, oprsz);
+ if (vd == vm) {
+ vm = vn;
+ }
+ } else if (vd == vm) {
+ vm = memcpy(&tmp, vm, oprsz);
}
if (high) {
high = oprsz >> 1;
}
- if ((high & 3) == 0) {
+ if ((oprsz & 7) == 0) {
uint32_t *n = vn, *m = vm;
high >>= 2;
- for (i = 0; i < DIV_ROUND_UP(oprsz, 8); i++) {
+ for (i = 0; i < oprsz / 8; i++) {
uint64_t nn = n[H4(high + i)];
uint64_t mm = m[H4(high + i)];
nn = expand_bits(nn, esz);
mm = expand_bits(mm, esz);
- d[i] = nn + (mm << (1 << esz));
+ d[i] = nn | (mm << esize);
}
} else {
uint8_t *n = vn, *m = vm;
@@ -1921,7 +1924,7 @@ void HELPER(sve_zip_p)(void *vd, void *vn, void *vm, uint32_t pred_desc)
nn = expand_bits(nn, esz);
mm = expand_bits(mm, esz);
- d16[H2(i)] = nn + (mm << (1 << esz));
+ d16[H2(i)] = nn | (mm << esize);
}
}
}
@@ -1939,7 +1942,7 @@ void HELPER(sve_uzp_p)(void *vd, void *vn, void *vm, uint32_t pred_desc)
if (oprsz <= 8) {
l = compress_bits(n[0] >> odd, esz);
h = compress_bits(m[0] >> odd, esz);
- d[0] = extract64(l + (h << (4 * oprsz)), 0, 8 * oprsz);
+ d[0] = l | (h << (4 * oprsz));
} else {
ARMPredicateReg tmp_m;
intptr_t oprsz_16 = oprsz / 16;
@@ -1953,23 +1956,35 @@ void HELPER(sve_uzp_p)(void *vd, void *vn, void *vm, uint32_t pred_desc)
h = n[2 * i + 1];
l = compress_bits(l >> odd, esz);
h = compress_bits(h >> odd, esz);
- d[i] = l + (h << 32);
+ d[i] = l | (h << 32);
}
- /* For VL which is not a power of 2, the results from M do not
- align nicely with the uint64_t for D. Put the aligned results
- from M into TMP_M and then copy it into place afterward. */
+ /*
+ * For VL which is not a multiple of 512, the results from M do not
+ * align nicely with the uint64_t for D. Put the aligned results
+ * from M into TMP_M and then copy it into place afterward.
+ */
if (oprsz & 15) {
- d[i] = compress_bits(n[2 * i] >> odd, esz);
+ int final_shift = (oprsz & 15) * 2;
+
+ l = n[2 * i + 0];
+ h = n[2 * i + 1];
+ l = compress_bits(l >> odd, esz);
+ h = compress_bits(h >> odd, esz);
+ d[i] = l | (h << final_shift);
for (i = 0; i < oprsz_16; i++) {
l = m[2 * i + 0];
h = m[2 * i + 1];
l = compress_bits(l >> odd, esz);
h = compress_bits(h >> odd, esz);
- tmp_m.p[i] = l + (h << 32);
+ tmp_m.p[i] = l | (h << 32);
}
- tmp_m.p[i] = compress_bits(m[2 * i] >> odd, esz);
+ l = m[2 * i + 0];
+ h = m[2 * i + 1];
+ l = compress_bits(l >> odd, esz);
+ h = compress_bits(h >> odd, esz);
+ tmp_m.p[i] = l | (h << final_shift);
swap_memmove(vd + oprsz / 2, &tmp_m, oprsz / 2);
} else {
@@ -1978,7 +1993,7 @@ void HELPER(sve_uzp_p)(void *vd, void *vn, void *vm, uint32_t pred_desc)
h = m[2 * i + 1];
l = compress_bits(l >> odd, esz);
h = compress_bits(h >> odd, esz);
- d[oprsz_16 + i] = l + (h << 32);
+ d[oprsz_16 + i] = l | (h << 32);
}
}
}
@@ -2090,11 +2105,11 @@ void HELPER(sve_punpk_p)(void *vd, void *vn, uint32_t pred_desc)
high = oprsz >> 1;
}
- if ((high & 3) == 0) {
+ if ((oprsz & 7) == 0) {
uint32_t *n = vn;
high >>= 2;
- for (i = 0; i < DIV_ROUND_UP(oprsz, 8); i++) {
+ for (i = 0; i < oprsz / 8; i++) {
uint64_t nn = n[H4(high + i)];
d[i] = expand_bits(nn, 0);
}
@@ -2222,10 +2237,10 @@ void HELPER(sve_compact_d)(void *vd, void *vn, void *vg, uint32_t desc)
*/
int32_t HELPER(sve_last_active_element)(void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
- intptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2);
+ intptr_t words = DIV_ROUND_UP(FIELD_EX32(pred_desc, PREDDESC, OPRSZ), 8);
+ intptr_t esz = FIELD_EX32(pred_desc, PREDDESC, ESZ);
- return last_active_element(vg, DIV_ROUND_UP(oprsz, 8), esz);
+ return last_active_element(vg, words, esz);
}
void HELPER(sve_splice)(void *vd, void *vn, void *vm, void *vg, uint32_t desc)
@@ -2695,7 +2710,7 @@ static uint32_t do_zero(ARMPredicateReg *d, intptr_t oprsz)
void HELPER(sve_brkpa)(void *vd, void *vn, void *vm, void *vg,
uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
if (last_active_pred(vn, vg, oprsz)) {
compute_brk_z(vd, vm, vg, oprsz, true);
} else {
@@ -2706,7 +2721,7 @@ void HELPER(sve_brkpa)(void *vd, void *vn, void *vm, void *vg,
uint32_t HELPER(sve_brkpas)(void *vd, void *vn, void *vm, void *vg,
uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
if (last_active_pred(vn, vg, oprsz)) {
return compute_brks_z(vd, vm, vg, oprsz, true);
} else {
@@ -2717,7 +2732,7 @@ uint32_t HELPER(sve_brkpas)(void *vd, void *vn, void *vm, void *vg,
void HELPER(sve_brkpb)(void *vd, void *vn, void *vm, void *vg,
uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
if (last_active_pred(vn, vg, oprsz)) {
compute_brk_z(vd, vm, vg, oprsz, false);
} else {
@@ -2728,7 +2743,7 @@ void HELPER(sve_brkpb)(void *vd, void *vn, void *vm, void *vg,
uint32_t HELPER(sve_brkpbs)(void *vd, void *vn, void *vm, void *vg,
uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
if (last_active_pred(vn, vg, oprsz)) {
return compute_brks_z(vd, vm, vg, oprsz, false);
} else {
@@ -2738,56 +2753,55 @@ uint32_t HELPER(sve_brkpbs)(void *vd, void *vn, void *vm, void *vg,
void HELPER(sve_brka_z)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
compute_brk_z(vd, vn, vg, oprsz, true);
}
uint32_t HELPER(sve_brkas_z)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
return compute_brks_z(vd, vn, vg, oprsz, true);
}
void HELPER(sve_brkb_z)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
compute_brk_z(vd, vn, vg, oprsz, false);
}
uint32_t HELPER(sve_brkbs_z)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
return compute_brks_z(vd, vn, vg, oprsz, false);
}
void HELPER(sve_brka_m)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
compute_brk_m(vd, vn, vg, oprsz, true);
}
uint32_t HELPER(sve_brkas_m)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
return compute_brks_m(vd, vn, vg, oprsz, true);
}
void HELPER(sve_brkb_m)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
compute_brk_m(vd, vn, vg, oprsz, false);
}
uint32_t HELPER(sve_brkbs_m)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
return compute_brks_m(vd, vn, vg, oprsz, false);
}
void HELPER(sve_brkn)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
-
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
if (!last_active_pred(vn, vg, oprsz)) {
do_zero(vd, oprsz);
}
@@ -2812,8 +2826,7 @@ static uint32_t predtest_ones(ARMPredicateReg *d, intptr_t oprsz,
uint32_t HELPER(sve_brkns)(void *vd, void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
-
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
if (last_active_pred(vn, vg, oprsz)) {
return predtest_ones(vd, oprsz, -1);
} else {
@@ -2823,12 +2836,12 @@ uint32_t HELPER(sve_brkns)(void *vd, void *vn, void *vg, uint32_t pred_desc)
uint64_t HELPER(sve_cntp)(void *vn, void *vg, uint32_t pred_desc)
{
- intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
- intptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2);
+ intptr_t words = DIV_ROUND_UP(FIELD_EX32(pred_desc, PREDDESC, OPRSZ), 8);
+ intptr_t esz = FIELD_EX32(pred_desc, PREDDESC, ESZ);
uint64_t *n = vn, *g = vg, sum = 0, mask = pred_esz_masks[esz];
intptr_t i;
- for (i = 0; i < DIV_ROUND_UP(oprsz, 8); ++i) {
+ for (i = 0; i < words; ++i) {
uint64_t t = n[i] & g[i] & mask;
sum += ctpop64(t);
}
@@ -2837,8 +2850,8 @@ uint64_t HELPER(sve_cntp)(void *vn, void *vg, uint32_t pred_desc)
uint32_t HELPER(sve_while)(void *vd, uint32_t count, uint32_t pred_desc)
{
- uintptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
- intptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2);
+ intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
+ intptr_t esz = FIELD_EX32(pred_desc, PREDDESC, ESZ);
uint64_t esz_mask = pred_esz_masks[esz];
ARMPredicateReg *d = vd;
uint32_t flags;
@@ -2883,7 +2896,7 @@ static TYPE NAME##_reduce(TYPE *data, float_status *status, uintptr_t n) \
} \
uint64_t HELPER(NAME)(void *vn, void *vg, void *vs, uint32_t desc) \
{ \
- uintptr_t i, oprsz = simd_oprsz(desc), maxsz = simd_maxsz(desc); \
+ uintptr_t i, oprsz = simd_oprsz(desc), maxsz = simd_data(desc); \
TYPE data[sizeof(ARMVectorReg) / sizeof(TYPE)]; \
for (i = 0; i < oprsz; ) { \
uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 27402af23c..0eefb61214 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -2302,11 +2302,10 @@ static void find_last_active(DisasContext *s, TCGv_i32 ret, int esz, int pg)
*/
TCGv_ptr t_p = tcg_temp_new_ptr();
TCGv_i32 t_desc;
- unsigned vsz = pred_full_reg_size(s);
- unsigned desc;
+ unsigned desc = 0;
- desc = vsz - 2;
- desc = deposit32(desc, SIMD_DATA_SHIFT, 2, esz);
+ desc = FIELD_DP32(desc, PREDDESC, OPRSZ, pred_full_reg_size(s));
+ desc = FIELD_DP32(desc, PREDDESC, ESZ, esz);
tcg_gen_addi_ptr(t_p, cpu_env, pred_full_reg_offset(s, pg));
t_desc = tcg_const_i32(desc);
@@ -2851,7 +2850,7 @@ static bool do_brk3(DisasContext *s, arg_rprr_s *a,
TCGv_ptr n = tcg_temp_new_ptr();
TCGv_ptr m = tcg_temp_new_ptr();
TCGv_ptr g = tcg_temp_new_ptr();
- TCGv_i32 t = tcg_const_i32(vsz - 2);
+ TCGv_i32 t = tcg_const_i32(FIELD_DP32(0, PREDDESC, OPRSZ, vsz));
tcg_gen_addi_ptr(d, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(n, cpu_env, pred_full_reg_offset(s, a->rn));
@@ -2885,7 +2884,7 @@ static bool do_brk2(DisasContext *s, arg_rpr_s *a,
TCGv_ptr d = tcg_temp_new_ptr();
TCGv_ptr n = tcg_temp_new_ptr();
TCGv_ptr g = tcg_temp_new_ptr();
- TCGv_i32 t = tcg_const_i32(vsz - 2);
+ TCGv_i32 t = tcg_const_i32(FIELD_DP32(0, PREDDESC, OPRSZ, vsz));
tcg_gen_addi_ptr(d, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(n, cpu_env, pred_full_reg_offset(s, a->rn));
@@ -2968,11 +2967,11 @@ static void do_cntp(DisasContext *s, TCGv_i64 val, int esz, int pn, int pg)
} else {
TCGv_ptr t_pn = tcg_temp_new_ptr();
TCGv_ptr t_pg = tcg_temp_new_ptr();
- unsigned desc;
+ unsigned desc = 0;
TCGv_i32 t_desc;
- desc = psz - 2;
- desc = deposit32(desc, SIMD_DATA_SHIFT, 2, esz);
+ desc = FIELD_DP32(desc, PREDDESC, OPRSZ, psz);
+ desc = FIELD_DP32(desc, PREDDESC, ESZ, esz);
tcg_gen_addi_ptr(t_pn, cpu_env, pred_full_reg_offset(s, pn));
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, pg));
@@ -3098,7 +3097,8 @@ static bool trans_WHILE(DisasContext *s, arg_WHILE *a)
TCGv_i64 op0, op1, t0, t1, tmax;
TCGv_i32 t2, t3;
TCGv_ptr ptr;
- unsigned desc, vsz = vec_full_reg_size(s);
+ unsigned vsz = vec_full_reg_size(s);
+ unsigned desc = 0;
TCGCond cond;
if (!sve_access_check(s)) {
@@ -3162,8 +3162,8 @@ static bool trans_WHILE(DisasContext *s, arg_WHILE *a)
/* Scale elements to bits. */
tcg_gen_shli_i32(t2, t2, a->esz);
- desc = (vsz / 8) - 2;
- desc = deposit32(desc, SIMD_DATA_SHIFT, 2, a->esz);
+ desc = FIELD_DP32(desc, PREDDESC, OPRSZ, vsz / 8);
+ desc = FIELD_DP32(desc, PREDDESC, ESZ, a->esz);
t3 = tcg_const_i32(desc);
ptr = tcg_temp_new_ptr();
@@ -3440,7 +3440,7 @@ static void do_reduce(DisasContext *s, arg_rpr_esz *a,
{
unsigned vsz = vec_full_reg_size(s);
unsigned p2vsz = pow2ceil(vsz);
- TCGv_i32 t_desc = tcg_const_i32(simd_desc(vsz, p2vsz, 0));
+ TCGv_i32 t_desc = tcg_const_i32(simd_desc(vsz, vsz, p2vsz));
TCGv_ptr t_zn, t_pg, status;
TCGv_i64 temp;
diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c
index 37d2ed9dc7..a14874b4da 100644
--- a/target/m68k/cpu.c
+++ b/target/m68k/cpu.c
@@ -161,6 +161,7 @@ static void m68020_cpu_initfn(Object *obj)
m68k_set_feature(env, M68K_FEATURE_CAS);
m68k_set_feature(env, M68K_FEATURE_CHK2);
m68k_set_feature(env, M68K_FEATURE_MSP);
+ m68k_set_feature(env, M68K_FEATURE_UNALIGNED_DATA);
}
/*
diff --git a/target/m68k/cpu.h b/target/m68k/cpu.h
index 7c3feeaf8a..402c86c876 100644
--- a/target/m68k/cpu.h
+++ b/target/m68k/cpu.h
@@ -475,36 +475,60 @@ void do_m68k_semihosting(CPUM68KState *env, int nr);
*/
enum m68k_features {
- M68K_FEATURE_M68000, /* Base m68k instruction set */
+ /* Base m68k instruction set */
+ M68K_FEATURE_M68000,
M68K_FEATURE_M68010,
M68K_FEATURE_M68020,
M68K_FEATURE_M68030,
M68K_FEATURE_M68040,
M68K_FEATURE_M68060,
- M68K_FEATURE_CF_ISA_A, /* Base Coldfire set Rev A. */
- M68K_FEATURE_CF_ISA_B, /* (ISA B or C). */
- M68K_FEATURE_CF_ISA_APLUSC, /* BIT/BITREV, FF1, STRLDSR (ISA A+ or C). */
- M68K_FEATURE_BRAL, /* BRA with Long branch. (680[2346]0, ISA A+ or B). */
+ /* Base Coldfire set Rev A. */
+ M68K_FEATURE_CF_ISA_A,
+ /* (ISA B or C). */
+ M68K_FEATURE_CF_ISA_B,
+ /* BIT/BITREV, FF1, STRLDSR (ISA A+ or C). */
+ M68K_FEATURE_CF_ISA_APLUSC,
+ /* BRA with Long branch. (680[2346]0, ISA A+ or B). */
+ M68K_FEATURE_BRAL,
M68K_FEATURE_CF_FPU,
M68K_FEATURE_CF_MAC,
M68K_FEATURE_CF_EMAC,
- M68K_FEATURE_CF_EMAC_B, /* Revision B EMAC (dual accumulate). */
- M68K_FEATURE_USP, /* User Stack Pointer. (680[012346]0, ISA A+, B or C).*/
- M68K_FEATURE_MSP, /* Master Stack Pointer. (680[234]0) */
- M68K_FEATURE_EXT_FULL, /* 68020+ full extension word. */
- M68K_FEATURE_WORD_INDEX, /* word sized address index registers. */
- M68K_FEATURE_SCALED_INDEX, /* scaled address index registers. */
- M68K_FEATURE_LONG_MULDIV, /* 32 bit mul/div. (680[2346]0, and CPU32) */
- M68K_FEATURE_QUAD_MULDIV, /* 64 bit mul/div. (680[2346]0, and CPU32) */
- M68K_FEATURE_BCCL, /* Bcc with Long branches. (680[2346]0, and CPU32) */
- M68K_FEATURE_BITFIELD, /* BFxxx Bit field insns. (680[2346]0) */
- M68K_FEATURE_FPU, /* fpu insn. (680[46]0) */
- M68K_FEATURE_CAS, /* CAS/CAS2[WL] insns. (680[2346]0) */
- M68K_FEATURE_BKPT, /* BKPT insn. (680[12346]0, and CPU32) */
- M68K_FEATURE_RTD, /* RTD insn. (680[12346]0, and CPU32) */
- M68K_FEATURE_CHK2, /* CHK2 insn. (680[2346]0, and CPU32) */
- M68K_FEATURE_MOVEP, /* MOVEP insn. (680[01234]0, and CPU32) */
- M68K_FEATURE_MOVEC, /* MOVEC insn. (from 68010) */
+ /* Revision B EMAC (dual accumulate). */
+ M68K_FEATURE_CF_EMAC_B,
+ /* User Stack Pointer. (680[012346]0, ISA A+, B or C). */
+ M68K_FEATURE_USP,
+ /* Master Stack Pointer. (680[234]0) */
+ M68K_FEATURE_MSP,
+ /* 68020+ full extension word. */
+ M68K_FEATURE_EXT_FULL,
+ /* word sized address index registers. */
+ M68K_FEATURE_WORD_INDEX,
+ /* scaled address index registers. */
+ M68K_FEATURE_SCALED_INDEX,
+ /* 32 bit mul/div. (680[2346]0, and CPU32) */
+ M68K_FEATURE_LONG_MULDIV,
+ /* 64 bit mul/div. (680[2346]0, and CPU32) */
+ M68K_FEATURE_QUAD_MULDIV,
+ /* Bcc with Long branches. (680[2346]0, and CPU32) */
+ M68K_FEATURE_BCCL,
+ /* BFxxx Bit field insns. (680[2346]0) */
+ M68K_FEATURE_BITFIELD,
+ /* fpu insn. (680[46]0) */
+ M68K_FEATURE_FPU,
+ /* CAS/CAS2[WL] insns. (680[2346]0) */
+ M68K_FEATURE_CAS,
+ /* BKPT insn. (680[12346]0, and CPU32) */
+ M68K_FEATURE_BKPT,
+ /* RTD insn. (680[12346]0, and CPU32) */
+ M68K_FEATURE_RTD,
+ /* CHK2 insn. (680[2346]0, and CPU32) */
+ M68K_FEATURE_CHK2,
+ /* MOVEP insn. (680[01234]0, and CPU32) */
+ M68K_FEATURE_MOVEP,
+ /* MOVEC insn. (from 68010) */
+ M68K_FEATURE_MOVEC,
+ /* Unaligned data accesses (680[2346]0) */
+ M68K_FEATURE_UNALIGNED_DATA,
};
static inline int m68k_feature(CPUM68KState *env, int feature)
diff --git a/target/m68k/op_helper.c b/target/m68k/op_helper.c
index 9b0698f267..ae1ba4b437 100644
--- a/target/m68k/op_helper.c
+++ b/target/m68k/op_helper.c
@@ -348,7 +348,10 @@ static void m68k_interrupt_all(CPUM68KState *env, int is_hw)
cpu_m68k_set_sr(env, sr);
sp = env->aregs[7];
- sp &= ~1;
+ if (!m68k_feature(env, M68K_FEATURE_UNALIGNED_DATA)) {
+ sp &= ~1;
+ }
+
if (cs->exception_index == EXCP_ACCESS) {
if (env->mmu.fault) {
cpu_abort(cs, "DOUBLE MMU FAULT\n");
@@ -468,7 +471,17 @@ void m68k_cpu_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr,
if (m68k_feature(env, M68K_FEATURE_M68040)) {
env->mmu.mmusr = 0;
- env->mmu.ssw |= M68K_ATC_040;
+
+ /*
+ * According to the MC68040 users manual the ATC bit of the SSW is
+ * used to distinguish between ATC faults and physical bus errors.
+ * In the case of a bus error e.g. during nubus read from an empty
+ * slot this bit should not be set
+ */
+ if (response != MEMTX_DECODE_ERROR) {
+ env->mmu.ssw |= M68K_ATC_040;
+ }
+
/* FIXME: manage MMU table access error */
env->mmu.ssw &= ~M68K_TM_040;
if (env->sr & SR_S) { /* SUPERVISOR */
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index ac936ebe8f..200018ae6a 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -2969,6 +2969,25 @@ DISAS_INSN(rtd)
gen_jmp(s, tmp);
}
+DISAS_INSN(rtr)
+{
+ TCGv tmp;
+ TCGv ccr;
+ TCGv sp;
+
+ sp = tcg_temp_new();
+ ccr = gen_load(s, OS_WORD, QREG_SP, 0, IS_USER(s));
+ tcg_gen_addi_i32(sp, QREG_SP, 2);
+ tmp = gen_load(s, OS_LONG, sp, 0, IS_USER(s));
+ tcg_gen_addi_i32(QREG_SP, sp, 4);
+ tcg_temp_free(sp);
+
+ gen_set_sr(s, ccr, true);
+ tcg_temp_free(ccr);
+
+ gen_jmp(s, tmp);
+}
+
DISAS_INSN(rts)
{
TCGv tmp;
@@ -6015,6 +6034,7 @@ void register_m68k_insns (CPUM68KState *env)
BASE(nop, 4e71, ffff);
INSN(rtd, 4e74, ffff, RTD);
BASE(rts, 4e75, ffff);
+ INSN(rtr, 4e77, ffff, M68000);
BASE(jump, 4e80, ffc0);
BASE(jump, 4ec0, ffc0);
INSN(addsubq, 5000, f080, M68000);
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-18 13:14:24 +0100