diff options
author | Blue Swirl <blauwirbel@gmail.com> | 2012-09-02 07:33:32 +0000 |
---|---|---|
committer | Alexander Graf <agraf@suse.de> | 2012-09-10 13:38:32 +0200 |
commit | a78b0504e8d5487fca77b6b0cd8d3c98b9bace8c (patch) | |
tree | df334fe3c3a469623588a4bc18274f604a8945c5 /target-s390x/op_helper.c | |
parent | e72ca652aa08e3d07c59349f239ba596f27c97af (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.c | 522 |
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) { |