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/*
* Copyright (c) 2000, Intel Corporation * All rights reserved. * * WARRANTY DISCLAIMER * * THESE MATERIALS ARE PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THESE * MATERIALS, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Intel Corporation is the author of the Materials, and requests that all * problem reports or change requests be submitted to it directly at * http://developer.intel.com/opensource.
*/
/*****************************************************************************//* decoder_priv.h *//*****************************************************************************/
#ifndef _DECODER_PRIV_H_
#define _DECODER_PRIV_H_
#define EM_DECODER_MAX_CLIENTS 20
#define DEFAULT_MACHINE_TYPE EM_DECODER_CPU_P7
#define DEFAULT_MACHINE_MODE EM_DECODER_MODE_EM
typedef struct{ int is_used; EM_Decoder_Machine_Type machine_type; EM_Decoder_Machine_Mode machine_mode; void ** info_ptr; /*** after dynamic allocation, ***/ /*** info_ptr points to an array ***/ /*** of pointers. The i'th pointer ***/ /*** in the array is a ptr to the ***/ /*** client info. ***/ unsigned long flags;} Client_Entry;
Client_Entry em_clients_table[EM_DECODER_MAX_CLIENTS];
#define FILL_PREDICATE_INFO(Inst_code, Dinfo_p) \
{ \ int pred_no = (IEL_GETDW0(Inst_code) >> EM_PREDICATE_POS) & \ ((1 << EM_PREDICATE_BITS)-1); \ Dinfo_p->pred.valid = TRUE; \ Dinfo_p->pred.value = pred_no; \ Dinfo_p->pred.type = EM_DECODER_PRED_REG; \ Dinfo_p->pred.name = EM_DECODER_REG_P0 + pred_no; \}
#define GET_BRANCH_BEHAVIOUR_BIT(Inst_code,Bit) \
{ \ unsigned int tmp; \ U64 tmp64; \ IEL_SHR(tmp64,(Inst_code),BRANCH_BEHAVIOUR_BIT); \ tmp = IEL_GETDW0(tmp64); \ (Bit) = tmp & 1; \}
#define EM_DECODER_SET_UNC_ILLEGAL_FAULT(di) ((di)->flags |= EM_DECODER_BIT_UNC_ILLEGAL_FAULT)
/*** Static variables initialization ***/
static const char em_ver_string[] = VER_STR; /*** initialized by Makefile ***/static const char *em_err_msg[EM_DECODER_LAST_ERROR] ={ "", "EM_DECODER_INVALID_SLOT_BRANCH_INST: Instruction must be in the last slot of the current bundle", "EM_DECODER_MUST_BE_GROUP_LAST: Instruction must be the last in instruction group", "EM_DECODER_BASE_EQUAL_DEST: Source and destination operands have the same value", "EM_DECODER_EQUAL_DESTS: Two destination operands have the same value", "EM_DECODER_ODD_EVEN_DESTS: Both destination floating-point registers have odd or even values", "EM_DECODER_WRITE_TO_ZERO_REGISTER: Destination general register r0 is invalid", "EM_DECODER_WRITE_TO_SPECIAL_FP_REGISTER: Destination floating point register is f0 or f1", "EM_DECODER_REGISTER_VALUE_OUT_OF_RANGE: Register value is out of permitted range", "EM_DECODER_REGISTER_RESERVED_VALUE: Register operand value is reserved", "EM_DECODER_IMMEDIATE_VALUE_OUT_OF_RANGE: Immediate operand value is out of permitted range", "EM_DECODER_IMMEDIATE_INVALID_VALUE: Invalid immediate operand value", "EM_DECODER_STACK_FRAME_SIZE_OUT_OF_RANGE: Stack frame size is larger than maximum permitted value", "EM_DECODER_LOCALS_SIZE_LARGER_STACK_FRAME: Size of locals is larger than the stack frame", "EM_DECODER_ROTATING_SIZE_LARGER_STACK_FRAME: Size of rotating region is larger than the stack frame", "EM_DECODER_HARD_CODED_PREDICATE_INVALID_VALUE: Invalid hard-coded predicate value", "EM_DECODER_INVALID_PRM_OPCODE: Instruction contains an invalid opcode", "EM_DECODER_INVALID_INST_SLOT: Instruction slot is invalid in current bundle", "EM_DECODER_INVALID_TEMPLATE: Invalid template is specified", "EM_DECODER_INVALID_CLIENT_ID: Invalid client id", "EM_DECODER_NULL_PTR: A null pointer was specified in call", "EM_DECODER_TOO_SHORT_ERR: Instruction buffer is too short for instruction", "EM_DECODER_ASSOCIATE_MISS: There is an unassociated instruction", "EM_DECODER_INVALID_INST_ID: Invalid instruction id", "EM_DECODER_INVALID_MACHINE_MODE: Invalid machine mode", "EM_DECODER_INVALID_MACHINE_TYPE: Invalid machine type", "EM_DECODER_INTERNAL_ERROR: Internal data-base collisions"};
typedef enum{ BEHAVIOUR_UNDEF = 0, BEHAVIOUR_IGNORE_ON_FALSE_QP, BEHAVIOUR_FAULT}Behaviour_ill_opcode;
static const Behaviour_ill_opcode branch_ill_opcode[]={ /* 0*/ BEHAVIOUR_UNDEF, /* 1*/ BEHAVIOUR_FAULT, /* 2*/ BEHAVIOUR_IGNORE_ON_FALSE_QP, /* 3*/ BEHAVIOUR_IGNORE_ON_FALSE_QP, /* 4*/ BEHAVIOUR_FAULT, /* 5*/ BEHAVIOUR_FAULT, /* 6*/ BEHAVIOUR_IGNORE_ON_FALSE_QP, /* 7*/ BEHAVIOUR_IGNORE_ON_FALSE_QP, /* 8*/ BEHAVIOUR_FAULT, /* 9*/ BEHAVIOUR_FAULT, /* a*/ BEHAVIOUR_FAULT, /* b*/ BEHAVIOUR_FAULT, /* c*/ BEHAVIOUR_FAULT, /* d*/ BEHAVIOUR_FAULT, /* e*/ BEHAVIOUR_FAULT, /* f*/ BEHAVIOUR_FAULT};
#define PRED_BEHAVIOUR(trole, maj_op, behav) \
{ \ switch(trole) \ { \ case(EM_TEMP_ROLE_MEM): \ case(EM_TEMP_ROLE_INT): \ case(EM_TEMP_ROLE_LONG): \ case(EM_TEMP_ROLE_FP): \ (behav) = BEHAVIOUR_IGNORE_ON_FALSE_QP; \ break; \ case(EM_TEMP_ROLE_BR): \ (behav) = branch_ill_opcode[(maj_op)]; \ break; \ default: \ (behav) = BEHAVIOUR_FAULT; \ } \}
/* this bit is crtical for machine behaviour within
illegal branch instruction with major opcode 0 */#define BRANCH_BEHAVIOUR_BIT 32
#endif /* _DECODER_PRIV_H_ */
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