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| -rw-r--r-- | target-cris/op.c | 1289 |
1 files changed, 1289 insertions, 0 deletions
diff --git a/target-cris/op.c b/target-cris/op.c new file mode 100644 index 0000000..3ce9888 --- /dev/null +++ b/target-cris/op.c @@ -0,0 +1,1289 @@ +/* + * CRIS emulation micro-operations for qemu. + * + * Copyright (c) 2007 Edgar E. Iglesias, Axis Communications AB. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include "exec.h" + +#define REGNAME r0 +#define REG (env->regs[0]) +#include "op_template.h" + +#define REGNAME r1 +#define REG (env->regs[1]) +#include "op_template.h" + +#define REGNAME r2 +#define REG (env->regs[2]) +#include "op_template.h" + +#define REGNAME r3 +#define REG (env->regs[3]) +#include "op_template.h" + +#define REGNAME r4 +#define REG (env->regs[4]) +#include "op_template.h" + +#define REGNAME r5 +#define REG (env->regs[5]) +#include "op_template.h" + +#define REGNAME r6 +#define REG (env->regs[6]) +#include "op_template.h" + +#define REGNAME r7 +#define REG (env->regs[7]) +#include "op_template.h" + +#define REGNAME r8 +#define REG (env->regs[8]) +#include "op_template.h" + +#define REGNAME r9 +#define REG (env->regs[9]) +#include "op_template.h" + +#define REGNAME r10 +#define REG (env->regs[10]) +#include "op_template.h" + +#define REGNAME r11 +#define REG (env->regs[11]) +#include "op_template.h" + +#define REGNAME r12 +#define REG (env->regs[12]) +#include "op_template.h" + +#define REGNAME r13 +#define REG (env->regs[13]) +#include "op_template.h" + +#define REGNAME r14 +#define REG (env->regs[14]) +#include "op_template.h" + +#define REGNAME r15 +#define REG (env->regs[15]) +#include "op_template.h" + + +#define REGNAME p0 +#define REG (env->pregs[0]) +#include "op_template.h" + +#define REGNAME p1 +#define REG (env->pregs[1]) +#include "op_template.h" + +#define REGNAME p2 +#define REG (env->pregs[2]) +#include "op_template.h" + +#define REGNAME p3 +#define REG (env->pregs[3]) +#include "op_template.h" + +#define REGNAME p4 +#define REG (env->pregs[4]) +#include "op_template.h" + +#define REGNAME p5 +#define REG (env->pregs[5]) +#include "op_template.h" + +#define REGNAME p6 +#define REG (env->pregs[6]) +#include "op_template.h" + +#define REGNAME p7 +#define REG (env->pregs[7]) +#include "op_template.h" + +#define REGNAME p8 +#define REG (env->pregs[8]) +#include "op_template.h" + +#define REGNAME p9 +#define REG (env->pregs[9]) +#include "op_template.h" + +#define REGNAME p10 +#define REG (env->pregs[10]) +#include "op_template.h" + +#define REGNAME p11 +#define REG (env->pregs[11]) +#include "op_template.h" + +#define REGNAME p12 +#define REG (env->pregs[12]) +#include "op_template.h" + +#define REGNAME p13 +#define REG (env->pregs[13]) +#include "op_template.h" + +#define REGNAME p14 +#define REG (env->pregs[14]) +#include "op_template.h" + +#define REGNAME p15 +#define REG (env->pregs[15]) +#include "op_template.h" + +/* Microcode. */ + +void OPPROTO op_exit_tb (void) +{ + EXIT_TB(); +} + +void OPPROTO op_goto_tb0 (void) +{ + GOTO_TB(op_goto_tb0, PARAM1, 0); + RETURN(); +} + +void OPPROTO op_goto_tb1 (void) +{ + GOTO_TB(op_goto_tb1, PARAM1, 1); + RETURN(); +} + +void OPPROTO op_break_im(void) +{ + env->trapnr = PARAM1; + env->exception_index = EXCP_BREAK; + cpu_loop_exit(); +} + +void OPPROTO op_debug(void) +{ + env->exception_index = EXCP_DEBUG; + cpu_loop_exit(); +} + +void OPPROTO op_exec_insn(void) +{ + env->stats.exec_insns++; + RETURN(); +} +void OPPROTO op_exec_load(void) +{ + env->stats.exec_loads++; + RETURN(); +} +void OPPROTO op_exec_store(void) +{ + env->stats.exec_stores++; + RETURN(); +} + +void OPPROTO op_ccs_lshift (void) +{ + uint32_t ccs; + + /* Apply the ccs shift. */ + ccs = env->pregs[SR_CCS]; + ccs = (ccs & 0xc0000000) | ((ccs << 12) >> 2); + env->pregs[SR_CCS] = ccs; +} +void OPPROTO op_ccs_rshift (void) +{ + uint32_t ccs; + + /* Apply the ccs shift. */ + ccs = env->pregs[SR_CCS]; + ccs = (ccs & 0xc0000000) | (ccs >> 10); + env->pregs[SR_CCS] = ccs; +} + +void OPPROTO op_setf (void) +{ + env->pregs[SR_CCS] |= PARAM1; + RETURN(); +} + +void OPPROTO op_clrf (void) +{ + env->pregs[SR_CCS] &= ~PARAM1; + RETURN(); +} + +void OPPROTO op_movl_debug1_T0 (void) +{ + env->debug1 = T0; + RETURN(); +} + +void OPPROTO op_movl_debug2_T0 (void) +{ + env->debug2 = T0; + RETURN(); +} + +void OPPROTO op_movl_debug3_T0 (void) +{ + env->debug3 = T0; + RETURN(); +} +void OPPROTO op_movl_debug1_T1 (void) +{ + env->debug1 = T1; + RETURN(); +} + +void OPPROTO op_movl_debug2_T1 (void) +{ + env->debug2 = T1; + RETURN(); +} + +void OPPROTO op_movl_debug3_T1 (void) +{ + env->debug3 = T1; + RETURN(); +} +void OPPROTO op_movl_debug3_im (void) +{ + env->debug3 = PARAM1; + RETURN(); +} +void OPPROTO op_movl_T0_flags (void) +{ + T0 = env->pregs[SR_CCS]; + RETURN(); +} +void OPPROTO op_movl_flags_T0 (void) +{ + env->pregs[SR_CCS] = T0; + RETURN(); +} + +void OPPROTO op_movl_sreg_T0 (void) +{ + env->sregs[env->pregs[SR_SRS]][PARAM1] = T0; + RETURN(); +} + +void OPPROTO op_movl_tlb_lo_T0 (void) +{ + int srs; + srs = env->pregs[SR_SRS]; + if (srs == 1 || srs == 2) + { + int set; + int idx; + uint32_t lo, hi; + + idx = set = env->sregs[SFR_RW_MM_TLB_SEL]; + set >>= 4; + set &= 3; + + idx &= 31; + /* We've just made a write to tlb_lo. */ + lo = env->sregs[SFR_RW_MM_TLB_LO]; + hi = env->sregs[SFR_RW_MM_TLB_HI]; + env->tlbsets[srs - 1][set][idx].lo = lo; + env->tlbsets[srs - 1][set][idx].hi = hi; + } + + RETURN(); +} + +void OPPROTO op_movl_T0_sreg (void) +{ + T0 = env->sregs[env->pregs[SR_SRS]][PARAM1]; + RETURN(); +} + +void OPPROTO op_update_cc (void) +{ + env->cc_op = PARAM1; + env->cc_dest = PARAM2; + env->cc_src = PARAM3; + RETURN(); +} + +void OPPROTO op_update_cc_op (void) +{ + env->cc_op = PARAM1; + RETURN(); +} + +void OPPROTO op_update_cc_mask (void) +{ + env->cc_mask = PARAM1; + RETURN(); +} + +void OPPROTO op_update_cc_dest_T0 (void) +{ + env->cc_dest = T0; + RETURN(); +} + +void OPPROTO op_update_cc_result_T0 (void) +{ + env->cc_result = T0; + RETURN(); +} + +void OPPROTO op_update_cc_size_im (void) +{ + env->cc_size = PARAM1; + RETURN(); +} + +void OPPROTO op_update_cc_src_T1 (void) +{ + env->cc_src = T1; + RETURN(); +} +void OPPROTO op_update_cc_x (void) +{ + env->cc_x_live = PARAM1; + env->cc_x = PARAM2; + RETURN(); +} + +/* FIXME: is this allowed? */ +extern inline void evaluate_flags_writeback(uint32_t flags) +{ + int x; + + /* Extended arithmetics, leave the z flag alone. */ + env->debug3 = env->pregs[SR_CCS]; + + if (env->cc_x_live) + x = env->cc_x; + else + x = env->pregs[SR_CCS] & X_FLAG; + + if ((x || env->cc_op == CC_OP_ADDC) + && flags & Z_FLAG) + env->cc_mask &= ~Z_FLAG; + + /* all insn clear the x-flag except setf or clrf. */ + env->pregs[SR_CCS] &= ~(env->cc_mask | X_FLAG); + flags &= env->cc_mask; + env->pregs[SR_CCS] |= flags; + RETURN(); +} + +void OPPROTO op_evaluate_flags_muls(void) +{ + uint32_t src; + uint32_t dst; + uint32_t res; + uint32_t flags = 0; + /* were gonna have to redo the muls. */ + int64_t tmp, t0 ,t1; + int32_t mof; + int dneg; + + src = env->cc_src; + dst = env->cc_dest; + res = env->cc_result; + + + /* cast into signed values to make GCC sign extend. */ + t0 = (int32_t)src; + t1 = (int32_t)dst; + dneg = ((int32_t)res) < 0; + + tmp = t0 * t1; + mof = tmp >> 32; + if (tmp == 0) + flags |= Z_FLAG; + else if (tmp < 0) + flags |= N_FLAG; + if ((dneg && mof != -1) + || (!dneg && mof != 0)) + flags |= V_FLAG; + evaluate_flags_writeback(flags); + RETURN(); +} + +void OPPROTO op_evaluate_flags_mulu(void) +{ + uint32_t src; + uint32_t dst; + uint32_t res; + uint32_t flags = 0; + /* were gonna have to redo the muls. */ + uint64_t tmp, t0 ,t1; + uint32_t mof; + + src = env->cc_src; + dst = env->cc_dest; + res = env->cc_result; + + + /* cast into signed values to make GCC sign extend. */ + t0 = src; + t1 = dst; + + tmp = t0 * t1; + mof = tmp >> 32; + if (tmp == 0) + flags |= Z_FLAG; + else if (tmp >> 63) + flags |= N_FLAG; + if (mof) + flags |= V_FLAG; + + evaluate_flags_writeback(flags); + RETURN(); +} + +void OPPROTO op_evaluate_flags_mcp(void) +{ + uint32_t src; + uint32_t dst; + uint32_t res; + uint32_t flags = 0; + + src = env->cc_src; + dst = env->cc_dest; + res = env->cc_result; + + 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 |= R_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 |= R_FLAG; + } + + evaluate_flags_writeback(flags); + RETURN(); +} + +void OPPROTO op_evaluate_flags_alu_4(void) +{ + uint32_t src; + uint32_t dst; + uint32_t res; + uint32_t flags = 0; + + src = env->cc_src; + dst = env->cc_dest; + res = env->cc_result; + + 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; + } + + if (env->cc_op == CC_OP_SUB + || env->cc_op == CC_OP_CMP) { + flags ^= C_FLAG; + } + evaluate_flags_writeback(flags); + RETURN(); +} + +void OPPROTO op_evaluate_flags_move_4 (void) +{ + uint32_t src; + uint32_t res; + uint32_t flags = 0; + + src = env->cc_src; + res = env->cc_result; + + if ((int32_t)res < 0) + flags |= N_FLAG; + else if (res == 0L) + flags |= Z_FLAG; + + evaluate_flags_writeback(flags); + RETURN(); +} +void OPPROTO op_evaluate_flags_move_2 (void) +{ + uint32_t src; + uint32_t flags = 0; + uint16_t res; + + src = env->cc_src; + res = env->cc_result; + + if ((int16_t)res < 0L) + flags |= N_FLAG; + else if (res == 0) + flags |= Z_FLAG; + + evaluate_flags_writeback(flags); + RETURN(); +} + +/* 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 OPPROTO op_evaluate_flags (void) +{ + uint32_t src; + uint32_t dst; + uint32_t res; + uint32_t flags = 0; + + src = env->cc_src; + dst = env->cc_dest; + res = env->cc_result; + + + /* 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; + } + evaluate_flags_writeback(flags); + RETURN(); +} + +void OPPROTO op_extb_T0_T0 (void) +{ + T0 = ((int8_t)T0); + RETURN(); +} +void OPPROTO op_extb_T1_T0 (void) +{ + T1 = ((int8_t)T0); + RETURN(); +} +void OPPROTO op_extb_T1_T1 (void) +{ + T1 = ((int8_t)T1); + RETURN(); +} +void OPPROTO op_zextb_T0_T0 (void) +{ + T0 = ((uint8_t)T0); + RETURN(); +} +void OPPROTO op_zextb_T1_T0 (void) +{ + T1 = ((uint8_t)T0); + RETURN(); +} +void OPPROTO op_zextb_T1_T1 (void) +{ + T1 = ((uint8_t)T1); + RETURN(); +} +void OPPROTO op_extw_T0_T0 (void) +{ + T0 = ((int16_t)T0); + RETURN(); +} +void OPPROTO op_extw_T1_T0 (void) +{ + T1 = ((int16_t)T0); + RETURN(); +} +void OPPROTO op_extw_T1_T1 (void) +{ + T1 = ((int16_t)T1); + RETURN(); +} + +void OPPROTO op_zextw_T0_T0 (void) +{ + T0 = ((uint16_t)T0); + RETURN(); +} +void OPPROTO op_zextw_T1_T0 (void) +{ + T1 = ((uint16_t)T0); + RETURN(); +} + +void OPPROTO op_zextw_T1_T1 (void) +{ + T1 = ((uint16_t)T1); + RETURN(); +} + +void OPPROTO op_movl_T0_im (void) +{ + T0 = PARAM1; + RETURN(); +} +void OPPROTO op_movl_T1_im (void) +{ + T1 = PARAM1; + RETURN(); +} + +void OPPROTO op_addl_T0_im (void) +{ + T0 += PARAM1; + RETURN(); +} + +void OPPROTO op_addl_T1_im (void) +{ + T1 += PARAM1; + RETURN(); + +} +void OPPROTO op_subl_T0_im (void) +{ + T0 -= PARAM1; + RETURN(); +} + +void OPPROTO op_addxl_T0_C (void) +{ + if (env->pregs[SR_CCS] & X_FLAG) + T0 += !!(env->pregs[SR_CCS] & C_FLAG); + RETURN(); +} +void OPPROTO op_subxl_T0_C (void) +{ + if (env->pregs[SR_CCS] & X_FLAG) + T0 -= !!(env->pregs[SR_CCS] & C_FLAG); + RETURN(); +} +void OPPROTO op_addl_T0_C (void) +{ + T0 += !!(env->pregs[SR_CCS] & C_FLAG); + RETURN(); +} +void OPPROTO op_addl_T0_R (void) +{ + T0 += !!(env->pregs[SR_CCS] & R_FLAG); + RETURN(); +} + +void OPPROTO op_clr_R (void) +{ + env->pregs[SR_CCS] &= ~R_FLAG; + RETURN(); +} + + +void OPPROTO op_andl_T0_im (void) +{ + T0 &= PARAM1; + RETURN(); +} + +void OPPROTO op_andl_T1_im (void) +{ + T1 &= PARAM1; + RETURN(); +} + +void OPPROTO op_movl_T0_T1 (void) +{ + T0 = T1; + RETURN(); +} + +void OPPROTO op_swp_T0_T1 (void) +{ + T0 ^= T1; + T1 ^= T0; + T0 ^= T1; + RETURN(); +} + +void OPPROTO op_movl_T1_T0 (void) +{ + T1 = T0; + RETURN(); +} + +void OPPROTO op_movl_pc_T0 (void) +{ + env->pc = T0; + RETURN(); +} + +void OPPROTO op_movl_T0_0 (void) +{ + T0 = 0; + RETURN(); +} + +void OPPROTO op_addl_T0_T1 (void) +{ + T0 += T1; + RETURN(); +} + +void OPPROTO op_subl_T0_T1 (void) +{ + T0 -= T1; + RETURN(); +} + +void OPPROTO op_absl_T1_T1 (void) +{ + int32_t st = T1; + + T1 = st < 0 ? -st : st; + RETURN(); +} + +void OPPROTO op_muls_T0_T1 (void) +{ + int64_t tmp, t0 ,t1; + + /* cast into signed values to make GCC sign extend these babies. */ + t0 = (int32_t)T0; + t1 = (int32_t)T1; + + tmp = t0 * t1; + T0 = tmp & 0xffffffff; + env->pregs[REG_MOF] = tmp >> 32; + RETURN(); +} + +void OPPROTO op_mulu_T0_T1 (void) +{ + uint64_t tmp, t0 ,t1; + t0 = T0; + t1 = T1; + + tmp = t0 * t1; + T0 = tmp & 0xffffffff; + env->pregs[REG_MOF] = tmp >> 32; + RETURN(); +} + +void OPPROTO op_dstep_T0_T1 (void) +{ + T0 <<= 1; + if (T0 >= T1) + T0 -= T1; + RETURN(); +} + +void OPPROTO op_orl_T0_T1 (void) +{ + T0 |= T1; + RETURN(); +} + +void OPPROTO op_andl_T0_T1 (void) +{ + T0 &= T1; + RETURN(); +} + +void OPPROTO op_xorl_T0_T1 (void) +{ + T0 ^= T1; + RETURN(); +} + +void OPPROTO op_lsll_T0_T1 (void) +{ + int s = T1; + if (s > 31) + T0 = 0; + else + T0 <<= s; + RETURN(); +} + +void OPPROTO op_lsll_T0_im (void) +{ + T0 <<= PARAM1; + RETURN(); +} + +void OPPROTO op_lsrl_T0_T1 (void) +{ + int s = T1; + if (s > 31) + T0 = 0; + else + T0 >>= s; + RETURN(); +} + +/* Rely on GCC emitting an arithmetic shift for signed right shifts. */ +void OPPROTO op_asrl_T0_T1 (void) +{ + int s = T1; + if (s > 31) + T0 = T0 & 0x80000000 ? -1 : 0; + else + T0 = (int32_t)T0 >> s; + RETURN(); +} + +void OPPROTO op_btst_T0_T1 (void) +{ + /* 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 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); + /* Set the N and Z flags accordingly. */ + T0 = (bset << 3) | (fz << 2); + RETURN(); +} + +void OPPROTO op_bound_T0_T1 (void) +{ + if (T0 > T1) + T0 = T1; + RETURN(); +} + +void OPPROTO op_lz_T0_T1 (void) +{ + if (T1 == 0) + T0 = 32; + else + T0 = __builtin_clz(T1); + RETURN(); +} + +void OPPROTO op_negl_T0_T1 (void) +{ + T0 = -T1; + RETURN(); +} + +void OPPROTO op_negl_T1_T1 (void) +{ + T1 = -T1; + RETURN(); +} + +void OPPROTO op_not_T0_T0 (void) +{ + T0 = ~(T0); + RETURN(); +} +void OPPROTO op_not_T1_T1 (void) +{ + T1 = ~(T1); + RETURN(); +} + +void OPPROTO op_swapw_T0_T0 (void) +{ + T0 = (T0 << 16) | ((T0 >> 16)); + RETURN(); +} + +void OPPROTO op_swapb_T0_T0 (void) +{ + T0 = ((T0 << 8) & 0xff00ff00) | ((T0 >> 8) & 0x00ff00ff); + RETURN(); +} + +void OPPROTO op_swapr_T0_T0 (void) +{ + T0 = (((T0 << 7) & 0x80808080) | + ((T0 << 5) & 0x40404040) | + ((T0 << 3) & 0x20202020) | + ((T0 << 1) & 0x10101010) | + ((T0 >> 1) & 0x08080808) | + ((T0 >> 3) & 0x04040404) | + ((T0 >> 5) & 0x02020202) | + ((T0 >> 7) & 0x01010101)); + RETURN(); +} + +void OPPROTO op_tst_cc_eq (void) { + uint32_t flags = env->pregs[SR_CCS]; + int z_set; + + z_set = !!(flags & Z_FLAG); + T0 = z_set; + RETURN(); +} + +void OPPROTO op_tst_cc_eq_fast (void) { + T0 = !(env->cc_result); + RETURN(); +} + +void OPPROTO op_tst_cc_ne (void) { + uint32_t flags = env->pregs[SR_CCS]; + int z_set; + + z_set = !!(flags & Z_FLAG); + T0 = !z_set; + RETURN(); +} +void OPPROTO op_tst_cc_ne_fast (void) { + T0 = !!(env->cc_result); + RETURN(); +} + +void OPPROTO op_tst_cc_cc (void) { + uint32_t flags = env->pregs[SR_CCS]; + int c_set; + + c_set = !!(flags & C_FLAG); + T0 = !c_set; + RETURN(); +} +void OPPROTO op_tst_cc_cs (void) { + uint32_t flags = env->pregs[SR_CCS]; + int c_set; + + c_set = !!(flags & C_FLAG); + T0 = c_set; + RETURN(); +} + +void OPPROTO op_tst_cc_vc (void) { + uint32_t flags = env->pregs[SR_CCS]; + int v_set; + + v_set = !!(flags & V_FLAG); + T0 = !v_set; + RETURN(); +} +void OPPROTO op_tst_cc_vs (void) { + uint32_t flags = env->pregs[SR_CCS]; + int v_set; + + v_set = !!(flags & V_FLAG); + T0 = v_set; + RETURN(); +} +void OPPROTO op_tst_cc_pl (void) { + uint32_t flags = env->pregs[SR_CCS]; + int n_set; + + n_set = !!(flags & N_FLAG); + T0 = !n_set; + RETURN(); +} +void OPPROTO op_tst_cc_pl_fast (void) { + T0 = ((int32_t)env->cc_result) >= 0; + RETURN(); +} + +void OPPROTO op_tst_cc_mi (void) { + uint32_t flags = env->pregs[SR_CCS]; + int n_set; + + n_set = !!(flags & N_FLAG); + T0 = n_set; + RETURN(); +} +void OPPROTO op_tst_cc_mi_fast (void) { + T0 = ((int32_t)env->cc_result) < 0; + RETURN(); +} + +void OPPROTO op_tst_cc_ls (void) { + uint32_t flags = env->pregs[SR_CCS]; + int c_set; + int z_set; + + c_set = !!(flags & C_FLAG); + z_set = !!(flags & Z_FLAG); + T0 = c_set || z_set; + RETURN(); +} +void OPPROTO op_tst_cc_hi (void) { + uint32_t flags = env->pregs[SR_CCS]; + int z_set; + int c_set; + + z_set = !!(flags & Z_FLAG); + c_set = !!(flags & C_FLAG); + T0 = !c_set && !z_set; + RETURN(); + +} + +void OPPROTO op_tst_cc_ge (void) { + uint32_t flags = env->pregs[SR_CCS]; + int n_set; + int v_set; + + n_set = !!(flags & N_FLAG); + v_set = !!(flags & V_FLAG); + T0 = (n_set && v_set) || (!n_set && !v_set); + RETURN(); +} + +void OPPROTO op_tst_cc_ge_fast (void) { + T0 = ((int32_t)env->cc_src < (int32_t)env->cc_dest); + RETURN(); +} + +void OPPROTO op_tst_cc_lt (void) { + uint32_t flags = env->pregs[SR_CCS]; + int n_set; + int v_set; + + n_set = !!(flags & N_FLAG); + v_set = !!(flags & V_FLAG); + T0 = (n_set && !v_set) || (!n_set && v_set); + RETURN(); +} + +void OPPROTO op_tst_cc_gt (void) { + uint32_t flags = env->pregs[SR_CCS]; + int n_set; + int v_set; + int z_set; + + n_set = !!(flags & N_FLAG); + v_set = !!(flags & V_FLAG); + z_set = !!(flags & Z_FLAG); + T0 = (n_set && v_set && !z_set) + || (!n_set && !v_set && !z_set); + RETURN(); +} + +void OPPROTO op_tst_cc_le (void) { + uint32_t flags = env->pregs[SR_CCS]; + int n_set; + int v_set; + int z_set; + + n_set = !!(flags & N_FLAG); + v_set = !!(flags & V_FLAG); + z_set = !!(flags & Z_FLAG); + T0 = z_set || (n_set && !v_set) || (!n_set && v_set); + RETURN(); +} + +void OPPROTO op_tst_cc_p (void) { + uint32_t flags = env->pregs[SR_CCS]; + int p_set; + + p_set = !!(flags & P_FLAG); + T0 = p_set; + RETURN(); +} + +/* Evaluate the if the branch should be taken or not. Needs to be done in + the original sequence. The acutal branch is rescheduled to right after the + delay-slot. */ +void OPPROTO op_evaluate_bcc (void) +{ + env->btaken = T0; + RETURN(); +} + +/* this one is used on every alu op, optimize it!. */ +void OPPROTO op_goto_if_not_x (void) +{ + if (env->pregs[SR_CCS] & X_FLAG) + GOTO_LABEL_PARAM(1); + RETURN(); +} + +void OPPROTO op_cc_jmp (void) +{ + if (env->btaken) + env->pc = PARAM1; + else + env->pc = PARAM2; + RETURN(); +} + +void OPPROTO op_cc_ngoto (void) +{ + if (!env->btaken) + GOTO_LABEL_PARAM(1); + RETURN(); +} + +void OPPROTO op_movl_btarget_T0 (void) +{ + env->btarget = T0; + RETURN(); +} + +void OPPROTO op_jmp (void) +{ + env->pc = env->btarget; + RETURN(); +} + +/* Load and store */ +#define MEMSUFFIX _raw +#include "op_mem.c" +#undef MEMSUFFIX +#if !defined(CONFIG_USER_ONLY) +#define MEMSUFFIX _user +#include "op_mem.c" +#undef MEMSUFFIX + +#define MEMSUFFIX _kernel +#include "op_mem.c" +#undef MEMSUFFIX +#endif |