Archipelago » qemu

/*

 *  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