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authorBlue Swirl <blauwirbel@gmail.com>2012-09-02 07:33:32 +0000
committerAlexander Graf <agraf@suse.de>2012-09-10 13:38:32 +0200
commita78b0504e8d5487fca77b6b0cd8d3c98b9bace8c (patch)
treedf334fe3c3a469623588a4bc18274f604a8945c5 /target-s390x/op_helper.c
parente72ca652aa08e3d07c59349f239ba596f27c97af (diff)
target-s390x: split condition code helpers
Move condition code helpers to cc_helper.c. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-s390x/op_helper.c')
-rw-r--r--target-s390x/op_helper.c522
1 files changed, 1 insertions, 521 deletions
diff --git a/target-s390x/op_helper.c b/target-s390x/op_helper.c
index 270bf14f0b..eced89089c 100644
--- a/target-s390x/op_helper.c
+++ b/target-s390x/op_helper.c
@@ -779,18 +779,6 @@ uint32_t HELPER(icmh)(uint32_t r1, uint64_t address, uint32_t mask)
return cc;
}
-/* insert psw mask and condition code into r1 */
-void HELPER(ipm)(uint32_t cc, uint32_t r1)
-{
- uint64_t r = env->regs[r1];
-
- r &= 0xffffffff00ffffffULL;
- r |= (cc << 28) | ((env->psw.mask >> 40) & 0xf);
- env->regs[r1] = r;
- HELPER_LOG("%s: cc %d psw.mask 0x%lx r1 0x%lx\n", __func__,
- cc, env->psw.mask, r);
-}
-
/* load access registers r1 to r3 from memory at a2 */
void HELPER(lam)(uint32_t r1, uint64_t a2, uint32_t r3)
{
@@ -1038,483 +1026,6 @@ void HELPER(cksm)(uint32_t r1, uint32_t r2)
((uint32_t)cksm + (cksm >> 32));
}
-static inline uint32_t cc_calc_ltgt_32(CPUS390XState *env, int32_t src,
- int32_t dst)
-{
- if (src == dst) {
- return 0;
- } else if (src < dst) {
- return 1;
- } else {
- return 2;
- }
-}
-
-static inline uint32_t cc_calc_ltgt0_32(CPUS390XState *env, int32_t dst)
-{
- return cc_calc_ltgt_32(env, dst, 0);
-}
-
-static inline uint32_t cc_calc_ltgt_64(CPUS390XState *env, int64_t src,
- int64_t dst)
-{
- if (src == dst) {
- return 0;
- } else if (src < dst) {
- return 1;
- } else {
- return 2;
- }
-}
-
-static inline uint32_t cc_calc_ltgt0_64(CPUS390XState *env, int64_t dst)
-{
- return cc_calc_ltgt_64(env, dst, 0);
-}
-
-static inline uint32_t cc_calc_ltugtu_32(CPUS390XState *env, uint32_t src,
- uint32_t dst)
-{
- if (src == dst) {
- return 0;
- } else if (src < dst) {
- return 1;
- } else {
- return 2;
- }
-}
-
-static inline uint32_t cc_calc_ltugtu_64(CPUS390XState *env, uint64_t src,
- uint64_t dst)
-{
- if (src == dst) {
- return 0;
- } else if (src < dst) {
- return 1;
- } else {
- return 2;
- }
-}
-
-static inline uint32_t cc_calc_tm_32(CPUS390XState *env, uint32_t val,
- uint32_t mask)
-{
- uint16_t r = val & mask;
-
- HELPER_LOG("%s: val 0x%x mask 0x%x\n", __func__, val, mask);
- if (r == 0 || mask == 0) {
- return 0;
- } else if (r == mask) {
- return 3;
- } else {
- return 1;
- }
-}
-
-/* set condition code for test under mask */
-static inline uint32_t cc_calc_tm_64(CPUS390XState *env, uint64_t val,
- uint32_t mask)
-{
- uint16_t r = val & mask;
-
- HELPER_LOG("%s: val 0x%lx mask 0x%x r 0x%x\n", __func__, val, mask, r);
- if (r == 0 || mask == 0) {
- return 0;
- } else if (r == mask) {
- return 3;
- } else {
- while (!(mask & 0x8000)) {
- mask <<= 1;
- val <<= 1;
- }
- if (val & 0x8000) {
- return 2;
- } else {
- return 1;
- }
- }
-}
-
-static inline uint32_t cc_calc_nz(CPUS390XState *env, uint64_t dst)
-{
- return !!dst;
-}
-
-static inline uint32_t cc_calc_add_64(CPUS390XState *env, int64_t a1,
- int64_t a2, int64_t ar)
-{
- if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar > 0)) {
- return 3; /* overflow */
- } else {
- if (ar < 0) {
- return 1;
- } else if (ar > 0) {
- return 2;
- } else {
- return 0;
- }
- }
-}
-
-static inline uint32_t cc_calc_addu_64(CPUS390XState *env, uint64_t a1,
- uint64_t a2, uint64_t ar)
-{
- if (ar == 0) {
- if (a1) {
- return 2;
- } else {
- return 0;
- }
- } else {
- if (ar < a1 || ar < a2) {
- return 3;
- } else {
- return 1;
- }
- }
-}
-
-static inline uint32_t cc_calc_sub_64(CPUS390XState *env, int64_t a1,
- int64_t a2, int64_t ar)
-{
- if ((a1 > 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) {
- return 3; /* overflow */
- } else {
- if (ar < 0) {
- return 1;
- } else if (ar > 0) {
- return 2;
- } else {
- return 0;
- }
- }
-}
-
-static inline uint32_t cc_calc_subu_64(CPUS390XState *env, uint64_t a1,
- uint64_t a2, uint64_t ar)
-{
- if (ar == 0) {
- return 2;
- } else {
- if (a2 > a1) {
- return 1;
- } else {
- return 3;
- }
- }
-}
-
-static inline uint32_t cc_calc_abs_64(CPUS390XState *env, int64_t dst)
-{
- if ((uint64_t)dst == 0x8000000000000000ULL) {
- return 3;
- } else if (dst) {
- return 1;
- } else {
- return 0;
- }
-}
-
-static inline uint32_t cc_calc_nabs_64(CPUS390XState *env, int64_t dst)
-{
- return !!dst;
-}
-
-static inline uint32_t cc_calc_comp_64(CPUS390XState *env, int64_t dst)
-{
- if ((uint64_t)dst == 0x8000000000000000ULL) {
- return 3;
- } else if (dst < 0) {
- return 1;
- } else if (dst > 0) {
- return 2;
- } else {
- return 0;
- }
-}
-
-
-static inline uint32_t cc_calc_add_32(CPUS390XState *env, int32_t a1,
- int32_t a2, int32_t ar)
-{
- if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar > 0)) {
- return 3; /* overflow */
- } else {
- if (ar < 0) {
- return 1;
- } else if (ar > 0) {
- return 2;
- } else {
- return 0;
- }
- }
-}
-
-static inline uint32_t cc_calc_addu_32(CPUS390XState *env, uint32_t a1,
- uint32_t a2, uint32_t ar)
-{
- if (ar == 0) {
- if (a1) {
- return 2;
- } else {
- return 0;
- }
- } else {
- if (ar < a1 || ar < a2) {
- return 3;
- } else {
- return 1;
- }
- }
-}
-
-static inline uint32_t cc_calc_sub_32(CPUS390XState *env, int32_t a1,
- int32_t a2, int32_t ar)
-{
- if ((a1 > 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) {
- return 3; /* overflow */
- } else {
- if (ar < 0) {
- return 1;
- } else if (ar > 0) {
- return 2;
- } else {
- return 0;
- }
- }
-}
-
-static inline uint32_t cc_calc_subu_32(CPUS390XState *env, uint32_t a1,
- uint32_t a2, uint32_t ar)
-{
- if (ar == 0) {
- return 2;
- } else {
- if (a2 > a1) {
- return 1;
- } else {
- return 3;
- }
- }
-}
-
-static inline uint32_t cc_calc_abs_32(CPUS390XState *env, int32_t dst)
-{
- if ((uint32_t)dst == 0x80000000UL) {
- return 3;
- } else if (dst) {
- return 1;
- } else {
- return 0;
- }
-}
-
-static inline uint32_t cc_calc_nabs_32(CPUS390XState *env, int32_t dst)
-{
- return !!dst;
-}
-
-static inline uint32_t cc_calc_comp_32(CPUS390XState *env, int32_t dst)
-{
- if ((uint32_t)dst == 0x80000000UL) {
- return 3;
- } else if (dst < 0) {
- return 1;
- } else if (dst > 0) {
- return 2;
- } else {
- return 0;
- }
-}
-
-/* calculate condition code for insert character under mask insn */
-static inline uint32_t cc_calc_icm_32(CPUS390XState *env, uint32_t mask,
- uint32_t val)
-{
- uint32_t cc;
-
- HELPER_LOG("%s: mask 0x%x val %d\n", __func__, mask, val);
- if (mask == 0xf) {
- if (!val) {
- return 0;
- } else if (val & 0x80000000) {
- return 1;
- } else {
- return 2;
- }
- }
-
- if (!val || !mask) {
- cc = 0;
- } else {
- while (mask != 1) {
- mask >>= 1;
- val >>= 8;
- }
- if (val & 0x80) {
- cc = 1;
- } else {
- cc = 2;
- }
- }
- return cc;
-}
-
-static inline uint32_t cc_calc_slag(CPUS390XState *env, uint64_t src,
- uint64_t shift)
-{
- uint64_t mask = ((1ULL << shift) - 1ULL) << (64 - shift);
- uint64_t match, r;
-
- /* check if the sign bit stays the same */
- if (src & (1ULL << 63)) {
- match = mask;
- } else {
- match = 0;
- }
-
- if ((src & mask) != match) {
- /* overflow */
- return 3;
- }
-
- r = ((src << shift) & ((1ULL << 63) - 1)) | (src & (1ULL << 63));
-
- if ((int64_t)r == 0) {
- return 0;
- } else if ((int64_t)r < 0) {
- return 1;
- }
-
- return 2;
-}
-
-
-static inline uint32_t do_calc_cc(CPUS390XState *env, uint32_t cc_op,
- uint64_t src, uint64_t dst, uint64_t vr)
-{
- uint32_t r = 0;
-
- switch (cc_op) {
- case CC_OP_CONST0:
- case CC_OP_CONST1:
- case CC_OP_CONST2:
- case CC_OP_CONST3:
- /* cc_op value _is_ cc */
- r = cc_op;
- break;
- case CC_OP_LTGT0_32:
- r = cc_calc_ltgt0_32(env, dst);
- break;
- case CC_OP_LTGT0_64:
- r = cc_calc_ltgt0_64(env, dst);
- break;
- case CC_OP_LTGT_32:
- r = cc_calc_ltgt_32(env, src, dst);
- break;
- case CC_OP_LTGT_64:
- r = cc_calc_ltgt_64(env, src, dst);
- break;
- case CC_OP_LTUGTU_32:
- r = cc_calc_ltugtu_32(env, src, dst);
- break;
- case CC_OP_LTUGTU_64:
- r = cc_calc_ltugtu_64(env, src, dst);
- break;
- case CC_OP_TM_32:
- r = cc_calc_tm_32(env, src, dst);
- break;
- case CC_OP_TM_64:
- r = cc_calc_tm_64(env, src, dst);
- break;
- case CC_OP_NZ:
- r = cc_calc_nz(env, dst);
- break;
- case CC_OP_ADD_64:
- r = cc_calc_add_64(env, src, dst, vr);
- break;
- case CC_OP_ADDU_64:
- r = cc_calc_addu_64(env, src, dst, vr);
- break;
- case CC_OP_SUB_64:
- r = cc_calc_sub_64(env, src, dst, vr);
- break;
- case CC_OP_SUBU_64:
- r = cc_calc_subu_64(env, src, dst, vr);
- break;
- case CC_OP_ABS_64:
- r = cc_calc_abs_64(env, dst);
- break;
- case CC_OP_NABS_64:
- r = cc_calc_nabs_64(env, dst);
- break;
- case CC_OP_COMP_64:
- r = cc_calc_comp_64(env, dst);
- break;
-
- case CC_OP_ADD_32:
- r = cc_calc_add_32(env, src, dst, vr);
- break;
- case CC_OP_ADDU_32:
- r = cc_calc_addu_32(env, src, dst, vr);
- break;
- case CC_OP_SUB_32:
- r = cc_calc_sub_32(env, src, dst, vr);
- break;
- case CC_OP_SUBU_32:
- r = cc_calc_subu_32(env, src, dst, vr);
- break;
- case CC_OP_ABS_32:
- r = cc_calc_abs_64(env, dst);
- break;
- case CC_OP_NABS_32:
- r = cc_calc_nabs_64(env, dst);
- break;
- case CC_OP_COMP_32:
- r = cc_calc_comp_32(env, dst);
- break;
-
- case CC_OP_ICM:
- r = cc_calc_icm_32(env, src, dst);
- break;
- case CC_OP_SLAG:
- r = cc_calc_slag(env, src, dst);
- break;
-
- case CC_OP_LTGT_F32:
- r = set_cc_f32(src, dst);
- break;
- case CC_OP_LTGT_F64:
- r = set_cc_f64(src, dst);
- break;
- case CC_OP_NZ_F32:
- r = set_cc_nz_f32(dst);
- break;
- case CC_OP_NZ_F64:
- r = set_cc_nz_f64(dst);
- break;
-
- default:
- cpu_abort(env, "Unknown CC operation: %s\n", cc_name(cc_op));
- }
-
- HELPER_LOG("%s: %15s 0x%016lx 0x%016lx 0x%016lx = %d\n", __func__,
- cc_name(cc_op), src, dst, vr, r);
- return r;
-}
-
-uint32_t calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, uint64_t dst,
- uint64_t vr)
-{
- return do_calc_cc(env, cc_op, src, dst, vr);
-}
-
-uint32_t HELPER(calc_cc)(uint32_t cc_op, uint64_t src, uint64_t dst,
- uint64_t vr)
-{
- return do_calc_cc(env, cc_op, src, dst, vr);
-}
-
uint64_t HELPER(cvd)(int32_t bin)
{
/* positive 0 */
@@ -1594,14 +1105,7 @@ void HELPER(tr)(uint32_t len, uint64_t array, uint64_t trans)
}
#ifndef CONFIG_USER_ONLY
-
-void HELPER(load_psw)(uint64_t mask, uint64_t addr)
-{
- load_psw(env, mask, addr);
- cpu_loop_exit(env);
-}
-
-static void program_interrupt(CPUS390XState *env, uint32_t code, int ilc)
+void program_interrupt(CPUS390XState *env, uint32_t code, int ilc)
{
qemu_log("program interrupt at %#" PRIx64 "\n", env->psw.addr);
@@ -2175,30 +1679,6 @@ uint32_t HELPER(sigp)(uint64_t order_code, uint32_t r1, uint64_t cpu_addr)
return cc;
}
-void HELPER(sacf)(uint64_t a1)
-{
- HELPER_LOG("%s: %16" PRIx64 "\n", __func__, a1);
-
- switch (a1 & 0xf00) {
- case 0x000:
- env->psw.mask &= ~PSW_MASK_ASC;
- env->psw.mask |= PSW_ASC_PRIMARY;
- break;
- case 0x100:
- env->psw.mask &= ~PSW_MASK_ASC;
- env->psw.mask |= PSW_ASC_SECONDARY;
- break;
- case 0x300:
- env->psw.mask &= ~PSW_MASK_ASC;
- env->psw.mask |= PSW_ASC_HOME;
- break;
- default:
- qemu_log("unknown sacf mode: %" PRIx64 "\n", a1);
- program_interrupt(env, PGM_SPECIFICATION, 2);
- break;
- }
-}
-
/* invalidate pte */
void HELPER(ipte)(uint64_t pte_addr, uint64_t vaddr)
{