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