diff options
Diffstat (limited to 'target/cris')
| -rw-r--r-- | target/cris/op_helper.c | 879 |
1 files changed, 429 insertions, 450 deletions
diff --git a/target/cris/op_helper.c b/target/cris/op_helper.c index 26a395b413..e4c6942922 100644 --- a/target/cris/op_helper.c +++ b/target/cris/op_helper.c @@ -48,9 +48,10 @@ void helper_raise_exception(CPUCRISState *env, uint32_t index) void helper_tlb_flush_pid(CPUCRISState *env, uint32_t pid) { #if !defined(CONFIG_USER_ONLY) - pid &= 0xff; - if (pid != (env->pregs[PR_PID] & 0xff)) - cris_mmu_flush_pid(env, env->pregs[PR_PID]); + pid &= 0xff; + if (pid != (env->pregs[PR_PID] & 0xff)) { + cris_mmu_flush_pid(env, env->pregs[PR_PID]); + } #endif } @@ -66,541 +67,519 @@ void helper_spc_write(CPUCRISState *env, uint32_t new_spc) } /* Used by the tlb decoder. */ -#define EXTRACT_FIELD(src, start, end) \ - (((src) >> start) & ((1 << (end - start + 1)) - 1)) +#define EXTRACT_FIELD(src, start, end) \ + (((src) >> start) & ((1 << (end - start + 1)) - 1)) void helper_movl_sreg_reg(CPUCRISState *env, uint32_t sreg, uint32_t reg) { #if !defined(CONFIG_USER_ONLY) CRISCPU *cpu = cris_env_get_cpu(env); #endif - uint32_t srs; - srs = env->pregs[PR_SRS]; - srs &= 3; - env->sregs[srs][sreg] = env->regs[reg]; + uint32_t srs; + srs = env->pregs[PR_SRS]; + srs &= 3; + env->sregs[srs][sreg] = env->regs[reg]; #if !defined(CONFIG_USER_ONLY) - if (srs == 1 || srs == 2) { - if (sreg == 6) { - /* Writes to tlb-hi write to mm_cause as a side - effect. */ - env->sregs[SFR_RW_MM_TLB_HI] = env->regs[reg]; - env->sregs[SFR_R_MM_CAUSE] = env->regs[reg]; - } - else if (sreg == 5) { - uint32_t set; - uint32_t idx; - uint32_t lo, hi; - uint32_t vaddr; - int tlb_v; - - idx = set = env->sregs[SFR_RW_MM_TLB_SEL]; - set >>= 4; - set &= 3; - - idx &= 15; - /* We've just made a write to tlb_lo. */ - lo = env->sregs[SFR_RW_MM_TLB_LO]; - /* Writes are done via r_mm_cause. */ - hi = env->sregs[SFR_R_MM_CAUSE]; - - vaddr = EXTRACT_FIELD(env->tlbsets[srs-1][set][idx].hi, - 13, 31); - vaddr <<= TARGET_PAGE_BITS; - tlb_v = EXTRACT_FIELD(env->tlbsets[srs-1][set][idx].lo, - 3, 3); - env->tlbsets[srs - 1][set][idx].lo = lo; - env->tlbsets[srs - 1][set][idx].hi = hi; - - D_LOG("tlb flush vaddr=%x v=%d pc=%x\n", - vaddr, tlb_v, env->pc); - if (tlb_v) { + if (srs == 1 || srs == 2) { + if (sreg == 6) { + /* Writes to tlb-hi write to mm_cause as a side effect. */ + env->sregs[SFR_RW_MM_TLB_HI] = env->regs[reg]; + env->sregs[SFR_R_MM_CAUSE] = env->regs[reg]; + } else if (sreg == 5) { + uint32_t set; + uint32_t idx; + uint32_t lo, hi; + uint32_t vaddr; + int tlb_v; + + idx = set = env->sregs[SFR_RW_MM_TLB_SEL]; + set >>= 4; + set &= 3; + + idx &= 15; + /* We've just made a write to tlb_lo. */ + lo = env->sregs[SFR_RW_MM_TLB_LO]; + /* Writes are done via r_mm_cause. */ + hi = env->sregs[SFR_R_MM_CAUSE]; + + vaddr = EXTRACT_FIELD(env->tlbsets[srs - 1][set][idx].hi, 13, 31); + vaddr <<= TARGET_PAGE_BITS; + tlb_v = EXTRACT_FIELD(env->tlbsets[srs - 1][set][idx].lo, 3, 3); + env->tlbsets[srs - 1][set][idx].lo = lo; + env->tlbsets[srs - 1][set][idx].hi = hi; + + D_LOG("tlb flush vaddr=%x v=%d pc=%x\n", + vaddr, tlb_v, env->pc); + if (tlb_v) { tlb_flush_page(CPU(cpu), vaddr); - } - } - } + } + } + } #endif } void helper_movl_reg_sreg(CPUCRISState *env, uint32_t reg, uint32_t sreg) { - uint32_t srs; - env->pregs[PR_SRS] &= 3; - srs = env->pregs[PR_SRS]; - + uint32_t srs; + env->pregs[PR_SRS] &= 3; + srs = env->pregs[PR_SRS]; + #if !defined(CONFIG_USER_ONLY) - if (srs == 1 || srs == 2) - { - uint32_t set; - uint32_t idx; - uint32_t lo, hi; - - idx = set = env->sregs[SFR_RW_MM_TLB_SEL]; - set >>= 4; - set &= 3; - idx &= 15; - - /* Update the mirror regs. */ - hi = env->tlbsets[srs - 1][set][idx].hi; - lo = env->tlbsets[srs - 1][set][idx].lo; - env->sregs[SFR_RW_MM_TLB_HI] = hi; - env->sregs[SFR_RW_MM_TLB_LO] = lo; - } + if (srs == 1 || srs == 2) { + uint32_t set; + uint32_t idx; + uint32_t lo, hi; + + idx = set = env->sregs[SFR_RW_MM_TLB_SEL]; + set >>= 4; + set &= 3; + idx &= 15; + + /* Update the mirror regs. */ + hi = env->tlbsets[srs - 1][set][idx].hi; + lo = env->tlbsets[srs - 1][set][idx].lo; + env->sregs[SFR_RW_MM_TLB_HI] = hi; + env->sregs[SFR_RW_MM_TLB_LO] = lo; + } #endif - env->regs[reg] = env->sregs[srs][sreg]; + env->regs[reg] = env->sregs[srs][sreg]; } static void cris_ccs_rshift(CPUCRISState *env) { - uint32_t ccs; - - /* Apply the ccs shift. */ - ccs = env->pregs[PR_CCS]; - ccs = (ccs & 0xc0000000) | ((ccs & 0x0fffffff) >> 10); - if (ccs & U_FLAG) - { - /* Enter user mode. */ - env->ksp = env->regs[R_SP]; - env->regs[R_SP] = env->pregs[PR_USP]; - } - - env->pregs[PR_CCS] = ccs; + uint32_t ccs; + + /* Apply the ccs shift. */ + ccs = env->pregs[PR_CCS]; + ccs = (ccs & 0xc0000000) | ((ccs & 0x0fffffff) >> 10); + if (ccs & U_FLAG) { + /* Enter user mode. */ + env->ksp = env->regs[R_SP]; + env->regs[R_SP] = env->pregs[PR_USP]; + } + + env->pregs[PR_CCS] = ccs; } void helper_rfe(CPUCRISState *env) { - int rflag = env->pregs[PR_CCS] & R_FLAG; + int rflag = env->pregs[PR_CCS] & R_FLAG; - D_LOG("rfe: erp=%x pid=%x ccs=%x btarget=%x\n", - env->pregs[PR_ERP], env->pregs[PR_PID], - env->pregs[PR_CCS], - env->btarget); + D_LOG("rfe: erp=%x pid=%x ccs=%x btarget=%x\n", + env->pregs[PR_ERP], env->pregs[PR_PID], + env->pregs[PR_CCS], + env->btarget); - cris_ccs_rshift(env); + cris_ccs_rshift(env); - /* RFE sets the P_FLAG only if the R_FLAG is not set. */ - if (!rflag) - env->pregs[PR_CCS] |= P_FLAG; + /* RFE sets the P_FLAG only if the R_FLAG is not set. */ + if (!rflag) { + env->pregs[PR_CCS] |= P_FLAG; + } } void helper_rfn(CPUCRISState *env) { - int rflag = env->pregs[PR_CCS] & R_FLAG; + int rflag = env->pregs[PR_CCS] & R_FLAG; - D_LOG("rfn: erp=%x pid=%x ccs=%x btarget=%x\n", - env->pregs[PR_ERP], env->pregs[PR_PID], - env->pregs[PR_CCS], - env->btarget); + D_LOG("rfn: erp=%x pid=%x ccs=%x btarget=%x\n", + env->pregs[PR_ERP], env->pregs[PR_PID], + env->pregs[PR_CCS], + env->btarget); - cris_ccs_rshift(env); + cris_ccs_rshift(env); - /* Set the P_FLAG only if the R_FLAG is not set. */ - if (!rflag) - env->pregs[PR_CCS] |= P_FLAG; + /* Set the P_FLAG only if the R_FLAG is not set. */ + if (!rflag) { + env->pregs[PR_CCS] |= P_FLAG; + } - /* Always set the M flag. */ - env->pregs[PR_CCS] |= M_FLAG_V32; + /* Always set the M flag. */ + env->pregs[PR_CCS] |= M_FLAG_V32; } uint32_t helper_btst(CPUCRISState *env, uint32_t t0, uint32_t t1, uint32_t ccs) { - /* FIXME: clean this up. */ - - /* des ref: - The N flag is set according to the selected bit in the dest reg. - The Z flag is set if the selected bit and all bits to the right are - zero. - The X flag is cleared. - Other flags are left untouched. - The destination reg is not affected.*/ - unsigned int fz, sbit, bset, mask, masked_t0; - - sbit = t1 & 31; - bset = !!(t0 & (1 << sbit)); - mask = sbit == 31 ? -1 : (1 << (sbit + 1)) - 1; - masked_t0 = t0 & mask; - fz = !(masked_t0 | bset); - - /* Clear the X, N and Z flags. */ - ccs = ccs & ~(X_FLAG | N_FLAG | Z_FLAG); - if (env->pregs[PR_VR] < 32) - ccs &= ~(V_FLAG | C_FLAG); - /* Set the N and Z flags accordingly. */ - ccs |= (bset << 3) | (fz << 2); - return ccs; + /* FIXME: clean this up. */ + + /* + * des ref: + * The N flag is set according to the selected bit in the dest reg. + * The Z flag is set if the selected bit and all bits to the right are + * zero. + * The X flag is cleared. + * Other flags are left untouched. + * The destination reg is not affected. + */ + unsigned int fz, sbit, bset, mask, masked_t0; + + sbit = t1 & 31; + bset = !!(t0 & (1 << sbit)); + mask = sbit == 31 ? -1 : (1 << (sbit + 1)) - 1; + masked_t0 = t0 & mask; + fz = !(masked_t0 | bset); + + /* Clear the X, N and Z flags. */ + ccs = ccs & ~(X_FLAG | N_FLAG | Z_FLAG); + if (env->pregs[PR_VR] < 32) { + ccs &= ~(V_FLAG | C_FLAG); + } + /* Set the N and Z flags accordingly. */ + ccs |= (bset << 3) | (fz << 2); + return ccs; } static inline uint32_t evaluate_flags_writeback(CPUCRISState *env, uint32_t flags, uint32_t ccs) { - unsigned int x, z, mask; - - /* Extended arithmetics, leave the z flag alone. */ - x = env->cc_x; - mask = env->cc_mask | X_FLAG; - if (x) { - z = flags & Z_FLAG; - mask = mask & ~z; - } - flags &= mask; - - /* all insn clear the x-flag except setf or clrf. */ - ccs &= ~mask; - ccs |= flags; - return ccs; + unsigned int x, z, mask; + + /* Extended arithmetics, leave the z flag alone. */ + x = env->cc_x; + mask = env->cc_mask | X_FLAG; + if (x) { + z = flags & Z_FLAG; + mask = mask & ~z; + } + flags &= mask; + + /* all insn clear the x-flag except setf or clrf. */ + ccs &= ~mask; + ccs |= flags; + return ccs; } uint32_t helper_evaluate_flags_muls(CPUCRISState *env, uint32_t ccs, uint32_t res, uint32_t mof) { - uint32_t flags = 0; - int64_t tmp; - int dneg; - - dneg = ((int32_t)res) < 0; - - tmp = mof; - tmp <<= 32; - tmp |= res; - if (tmp == 0) - flags |= Z_FLAG; - else if (tmp < 0) - flags |= N_FLAG; - if ((dneg && mof != -1) - || (!dneg && mof != 0)) - flags |= V_FLAG; - return evaluate_flags_writeback(env, flags, ccs); + uint32_t flags = 0; + int64_t tmp; + int dneg; + + dneg = ((int32_t)res) < 0; + + tmp = mof; + tmp <<= 32; + tmp |= res; + if (tmp == 0) { + flags |= Z_FLAG; + } else if (tmp < 0) { + flags |= N_FLAG; + } + if ((dneg && mof != -1) || (!dneg && mof != 0)) { + flags |= V_FLAG; + } + return evaluate_flags_writeback(env, flags, ccs); } uint32_t helper_evaluate_flags_mulu(CPUCRISState *env, uint32_t ccs, uint32_t res, uint32_t mof) { - uint32_t flags = 0; - uint64_t tmp; - - tmp = mof; - tmp <<= 32; - tmp |= res; - if (tmp == 0) - flags |= Z_FLAG; - else if (tmp >> 63) - flags |= N_FLAG; - if (mof) - flags |= V_FLAG; - - return evaluate_flags_writeback(env, flags, ccs); + uint32_t flags = 0; + uint64_t tmp; + + tmp = mof; + tmp <<= 32; + tmp |= res; + if (tmp == 0) { + flags |= Z_FLAG; + } else if (tmp >> 63) { + flags |= N_FLAG; + } + if (mof) { + flags |= V_FLAG; + } + + return evaluate_flags_writeback(env, flags, ccs); } uint32_t helper_evaluate_flags_mcp(CPUCRISState *env, uint32_t ccs, uint32_t src, uint32_t dst, uint32_t res) { - uint32_t flags = 0; - - src = src & 0x80000000; - dst = dst & 0x80000000; - - if ((res & 0x80000000L) != 0L) - { - flags |= N_FLAG; - if (!src && !dst) - flags |= V_FLAG; - else if (src & dst) - flags |= R_FLAG; - } - else - { - if (res == 0L) - flags |= Z_FLAG; - if (src & dst) - flags |= V_FLAG; - if (dst | src) - flags |= R_FLAG; - } - - return evaluate_flags_writeback(env, flags, ccs); + uint32_t flags = 0; + + src = src & 0x80000000; + dst = dst & 0x80000000; + + if ((res & 0x80000000L) != 0L) { + flags |= N_FLAG; + if (!src && !dst) { + flags |= V_FLAG; + } else if (src & dst) { + flags |= R_FLAG; + } + } else { + if (res == 0L) { + flags |= Z_FLAG; + } + if (src & dst) { + flags |= V_FLAG; + } + if (dst | src) { + flags |= R_FLAG; + } + } + + return evaluate_flags_writeback(env, flags, ccs); } uint32_t helper_evaluate_flags_alu_4(CPUCRISState *env, uint32_t ccs, uint32_t src, uint32_t dst, uint32_t res) { - uint32_t flags = 0; - - src = src & 0x80000000; - dst = dst & 0x80000000; - - if ((res & 0x80000000L) != 0L) - { - flags |= N_FLAG; - if (!src && !dst) - flags |= V_FLAG; - else if (src & dst) - flags |= C_FLAG; - } - else - { - if (res == 0L) - flags |= Z_FLAG; - if (src & dst) - flags |= V_FLAG; - if (dst | src) - flags |= C_FLAG; - } - - return evaluate_flags_writeback(env, flags, ccs); + uint32_t flags = 0; + + src = src & 0x80000000; + dst = dst & 0x80000000; + + if ((res & 0x80000000L) != 0L) { + flags |= N_FLAG; + if (!src && !dst) { + flags |= V_FLAG; + } else if (src & dst) { + flags |= C_FLAG; + } + } else { + if (res == 0L) { + flags |= Z_FLAG; + } + if (src & dst) { + flags |= V_FLAG; + } + if (dst | src) { + flags |= C_FLAG; + } + } + + return evaluate_flags_writeback(env, flags, ccs); } uint32_t helper_evaluate_flags_sub_4(CPUCRISState *env, uint32_t ccs, uint32_t src, uint32_t dst, uint32_t res) { - uint32_t flags = 0; - - src = (~src) & 0x80000000; - dst = dst & 0x80000000; - - if ((res & 0x80000000L) != 0L) - { - flags |= N_FLAG; - if (!src && !dst) - flags |= V_FLAG; - else if (src & dst) - flags |= C_FLAG; - } - else - { - if (res == 0L) - flags |= Z_FLAG; - if (src & dst) - flags |= V_FLAG; - if (dst | src) - flags |= C_FLAG; - } - - flags ^= C_FLAG; - return evaluate_flags_writeback(env, flags, ccs); + uint32_t flags = 0; + + src = (~src) & 0x80000000; + dst = dst & 0x80000000; + + if ((res & 0x80000000L) != 0L) { + flags |= N_FLAG; + if (!src && !dst) { + flags |= V_FLAG; + } else if (src & dst) { + flags |= C_FLAG; + } + } else { + if (res == 0L) { + flags |= Z_FLAG; + } + if (src & dst) { + flags |= V_FLAG; + } + if (dst | src) { + flags |= C_FLAG; + } + } + + flags ^= C_FLAG; + return evaluate_flags_writeback(env, flags, ccs); } uint32_t helper_evaluate_flags_move_4(CPUCRISState *env, uint32_t ccs, uint32_t res) { - uint32_t flags = 0; + uint32_t flags = 0; - if ((int32_t)res < 0) - flags |= N_FLAG; - else if (res == 0L) - flags |= Z_FLAG; + if ((int32_t)res < 0) { + flags |= N_FLAG; + } else if (res == 0L) { + flags |= Z_FLAG; + } - return evaluate_flags_writeback(env, flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } + uint32_t helper_evaluate_flags_move_2(CPUCRISState *env, uint32_t ccs, uint32_t res) { - uint32_t flags = 0; + uint32_t flags = 0; - if ((int16_t)res < 0L) - flags |= N_FLAG; - else if (res == 0) - flags |= Z_FLAG; + if ((int16_t)res < 0L) { + flags |= N_FLAG; + } else if (res == 0) { + flags |= Z_FLAG; + } - return evaluate_flags_writeback(env, flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -/* TODO: This is expensive. We could split things up and only evaluate part of - CCR on a need to know basis. For now, we simply re-evaluate everything. */ +/* + * TODO: This is expensive. We could split things up and only evaluate part of + * CCR on a need to know basis. For now, we simply re-evaluate everything. + */ void helper_evaluate_flags(CPUCRISState *env) { - uint32_t src, dst, res; - uint32_t flags = 0; - - src = env->cc_src; - dst = env->cc_dest; - res = env->cc_result; - - if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) - src = ~src; - - /* Now, evaluate the flags. This stuff is based on - Per Zander's CRISv10 simulator. */ - switch (env->cc_size) - { - case 1: - if ((res & 0x80L) != 0L) - { - flags |= N_FLAG; - if (((src & 0x80L) == 0L) - && ((dst & 0x80L) == 0L)) - { - flags |= V_FLAG; - } - else if (((src & 0x80L) != 0L) - && ((dst & 0x80L) != 0L)) - { - flags |= C_FLAG; - } - } - else - { - if ((res & 0xFFL) == 0L) - { - flags |= Z_FLAG; - } - if (((src & 0x80L) != 0L) - && ((dst & 0x80L) != 0L)) - { - flags |= V_FLAG; - } - if ((dst & 0x80L) != 0L - || (src & 0x80L) != 0L) - { - flags |= C_FLAG; - } - } - break; - case 2: - if ((res & 0x8000L) != 0L) - { - flags |= N_FLAG; - if (((src & 0x8000L) == 0L) - && ((dst & 0x8000L) == 0L)) - { - flags |= V_FLAG; - } - else if (((src & 0x8000L) != 0L) - && ((dst & 0x8000L) != 0L)) - { - flags |= C_FLAG; - } - } - else - { - if ((res & 0xFFFFL) == 0L) - { - flags |= Z_FLAG; - } - if (((src & 0x8000L) != 0L) - && ((dst & 0x8000L) != 0L)) - { - flags |= V_FLAG; - } - if ((dst & 0x8000L) != 0L - || (src & 0x8000L) != 0L) - { - flags |= C_FLAG; - } - } - break; - case 4: - if ((res & 0x80000000L) != 0L) - { - flags |= N_FLAG; - if (((src & 0x80000000L) == 0L) - && ((dst & 0x80000000L) == 0L)) - { - flags |= V_FLAG; - } - else if (((src & 0x80000000L) != 0L) && - ((dst & 0x80000000L) != 0L)) - { - flags |= C_FLAG; - } - } - else - { - if (res == 0L) - flags |= Z_FLAG; - if (((src & 0x80000000L) != 0L) - && ((dst & 0x80000000L) != 0L)) - flags |= V_FLAG; - if ((dst & 0x80000000L) != 0L - || (src & 0x80000000L) != 0L) - flags |= C_FLAG; - } - break; - default: - break; - } - - if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) - flags ^= C_FLAG; - - env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags, - env->pregs[PR_CCS]); + uint32_t src, dst, res; + uint32_t flags = 0; + + src = env->cc_src; + dst = env->cc_dest; + res = env->cc_result; + + if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) { + src = ~src; + } + + /* + * Now, evaluate the flags. This stuff is based on + * Per Zander's CRISv10 simulator. + */ + switch (env->cc_size) { + case 1: + if ((res & 0x80L) != 0L) { + flags |= N_FLAG; + if (((src & 0x80L) == 0L) && ((dst & 0x80L) == 0L)) { + flags |= V_FLAG; + } else if (((src & 0x80L) != 0L) && ((dst & 0x80L) != 0L)) { + flags |= C_FLAG; + } + } else { + if ((res & 0xFFL) == 0L) { + flags |= Z_FLAG; + } + if (((src & 0x80L) != 0L) && ((dst & 0x80L) != 0L)) { + flags |= V_FLAG; + } + if ((dst & 0x80L) != 0L || (src & 0x80L) != 0L) { + flags |= C_FLAG; + } + } + break; + case 2: + if ((res & 0x8000L) != 0L) { + flags |= N_FLAG; + if (((src & 0x8000L) == 0L) && ((dst & 0x8000L) == 0L)) { + flags |= V_FLAG; + } else if (((src & 0x8000L) != 0L) && ((dst & 0x8000L) != 0L)) { + flags |= C_FLAG; + } + } else { + if ((res & 0xFFFFL) == 0L) { + flags |= Z_FLAG; + } + if (((src & 0x8000L) != 0L) && ((dst & 0x8000L) != 0L)) { + flags |= V_FLAG; + } + if ((dst & 0x8000L) != 0L || (src & 0x8000L) != 0L) { + flags |= C_FLAG; + } + } + break; + case 4: + if ((res & 0x80000000L) != 0L) { + flags |= N_FLAG; + if (((src & 0x80000000L) == 0L) && ((dst & 0x80000000L) == 0L)) { + flags |= V_FLAG; + } else if (((src & 0x80000000L) != 0L) && + ((dst & 0x80000000L) != 0L)) { + flags |= C_FLAG; + } + } else { + if (res == 0L) { + flags |= Z_FLAG; + } + if (((src & 0x80000000L) != 0L) && ((dst & 0x80000000L) != 0L)) { + flags |= V_FLAG; + } + if ((dst & 0x80000000L) != 0L || (src & 0x80000000L) != 0L) { + flags |= C_FLAG; + } + } + break; + default: + break; + } + + if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) { + flags ^= C_FLAG; + } + + env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags, + env->pregs[PR_CCS]); } void helper_top_evaluate_flags(CPUCRISState *env) { - switch (env->cc_op) - { - case CC_OP_MCP: - env->pregs[PR_CCS] = helper_evaluate_flags_mcp(env, - env->pregs[PR_CCS], env->cc_src, - env->cc_dest, env->cc_result); - break; - case CC_OP_MULS: - env->pregs[PR_CCS] = helper_evaluate_flags_muls(env, - env->pregs[PR_CCS], env->cc_result, - env->pregs[PR_MOF]); - break; - case CC_OP_MULU: - env->pregs[PR_CCS] = helper_evaluate_flags_mulu(env, - env->pregs[PR_CCS], env->cc_result, - env->pregs[PR_MOF]); - break; - case CC_OP_MOVE: - case CC_OP_AND: - case CC_OP_OR: - case CC_OP_XOR: - case CC_OP_ASR: - case CC_OP_LSR: - case CC_OP_LSL: - switch (env->cc_size) - { - case 4: - env->pregs[PR_CCS] = - helper_evaluate_flags_move_4(env, - env->pregs[PR_CCS], - env->cc_result); - break; - case 2: - env->pregs[PR_CCS] = - helper_evaluate_flags_move_2(env, - env->pregs[PR_CCS], - env->cc_result); - break; - default: - helper_evaluate_flags(env); - break; - } - break; - case CC_OP_FLAGS: - /* live. */ - break; - case CC_OP_SUB: - case CC_OP_CMP: - if (env->cc_size == 4) - env->pregs[PR_CCS] = - helper_evaluate_flags_sub_4(env, - env->pregs[PR_CCS], - env->cc_src, env->cc_dest, - env->cc_result); - else - helper_evaluate_flags(env); - break; - default: - { - switch (env->cc_size) - { - case 4: - env->pregs[PR_CCS] = - helper_evaluate_flags_alu_4(env, - env->pregs[PR_CCS], - env->cc_src, env->cc_dest, - env->cc_result); - break; - default: - helper_evaluate_flags(env); - break; - } - } - break; - } + switch (env->cc_op) { + case CC_OP_MCP: + env->pregs[PR_CCS] + = helper_evaluate_flags_mcp(env, env->pregs[PR_CCS], + env->cc_src, env->cc_dest, + env->cc_result); + break; + case CC_OP_MULS: + env->pregs[PR_CCS] + = helper_evaluate_flags_muls(env, env->pregs[PR_CCS], + env->cc_result, env->pregs[PR_MOF]); + break; + case CC_OP_MULU: + env->pregs[PR_CCS] + = helper_evaluate_flags_mulu(env, env->pregs[PR_CCS], + env->cc_result, env->pregs[PR_MOF]); + break; + case CC_OP_MOVE: + case CC_OP_AND: + case CC_OP_OR: + case CC_OP_XOR: + case CC_OP_ASR: + case CC_OP_LSR: + case CC_OP_LSL: + switch (env->cc_size) { + case 4: + env->pregs[PR_CCS] = + helper_evaluate_flags_move_4(env, + env->pregs[PR_CCS], + env->cc_result); + break; + case 2: + env->pregs[PR_CCS] = + helper_evaluate_flags_move_2(env, + env->pregs[PR_CCS], + env->cc_result); + break; + default: + helper_evaluate_flags(env); + break; + } + break; + case CC_OP_FLAGS: + /* live. */ + break; + case CC_OP_SUB: + case CC_OP_CMP: + if (env->cc_size == 4) { + env->pregs[PR_CCS] = + helper_evaluate_flags_sub_4(env, + env->pregs[PR_CCS], + env->cc_src, env->cc_dest, + env->cc_result); + } else { + helper_evaluate_flags(env); + } + break; + default: + switch (env->cc_size) { + case 4: + env->pregs[PR_CCS] = + helper_evaluate_flags_alu_4(env, + env->pregs[PR_CCS], + env->cc_src, env->cc_dest, + env->cc_result); + break; + default: + helper_evaluate_flags(env); + break; + } + break; + } } |