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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/occ/gpe/gpe_macros.h $ */
/* */
/* OpenPOWER OnChipController Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2011,2014 */
/* [+] Google Inc. */
/* [+] International Business Machines Corp. */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef _GPE_MACROS_H
#define _GPE_MACROS_H
//--------------------------------------------------------------------
// Macro Specification:
//
// Name: _saveffdc
//
// Description: Save FFDC into error structure
//
// struct {
// uint64_t rc; // This should be read as 63:32=addr, 31:0=rc
// uint64_t ffdc; // Whatever GPE program puts in for FFDC data
// } PoreGpeErrorStruct;
//
// - Copy D0 into PoreGpeErrorStruct->ffdc
// - Copy \gpe_id into PoreGpeErrorStruct->rc[63:32]
// - Copy \rc into PoreGpeErrorStruct->rc[31:0]
//
// Inputs: \gpe_id - Unique GPE program number to identify what prog failed
// \rc - Unique GPE error code that will indicate failure
// ETR - Assumed to be set to base address of
// passed argument structure
//
// End Macro Specification
//--------------------------------------------------------------------
.macro _saveffdc, gpe_id, rc
// Make sure passed Structure Pointer is loaded into A1
mr A1, ETR
// Save address to send back (upper word of D1)
srdi D1, D1, 32
// TODO: Simcs does not support SPRG0 yet, so use 24 bit CTR for now
//mr SPRG0, D1
mr CTR, D1
// Check if rc was already saved...
ld D1, 0, A1
andi D1, D1, 0xFFFFFFFF00000000
branz D1, 1f
// Save D0 into FFDC of error structure
std D0, 8, A1
ld D0, 8, A1
// Save address to send back... (truncated to 24 bits)
mr D0, CTR
// Save GPE progam ID
li D1, \gpe_id
sldi D1, D1, 16
// and return code
ori D1, D1, \rc
sldi D1, D1, 32
// combine GPE program/RC with address
or D0, D0, D1
// Save data into error structure
std D0, 0, A1
ld D0, 8, A1
ld D0, 0, A1
1:
.endm
//--------------------------------------------------------------------
// Macro Specification:
//
// Name: _getscom
//
// Description: Get a SCOM based on passed in Address, put it in D0
//
// Inputs: SCOM Address
//
// Outputs: D0 - Result of SCOM
//
// End Macro Specification
//--------------------------------------------------------------------
.macro _getscom, address
lpcs P0, \address
ld D0, \address, P0
.endm
//--------------------------------------------------------------------
// Macro Specification:
//
// Name: _putscom
//
// Description: Store data into SCOM based on passed in Address
//
// Inputs: SCOM Address, Data
//
// Outputs: None
//
// End Macro Specification
//--------------------------------------------------------------------
.macro _putscom, address, data
lpcs P0, \address
li D0, \data
std D0, \address, P0
.endm
//--------------------------------------------------------------------
// Macro Specification:
//
// Name: _putscom_d0
//
// Description: Store D0 into SCOM based on passed in Address
//
// Inputs: SCOM Address
//
// Outputs: None
//
// End Macro Specification
//--------------------------------------------------------------------
.macro _putscom_d0, address
lpcs P0, \address
std D0, \address, P0
.endm
#define TOD_VALUE_REG 0x00040020
// Constant for use in wait statments: waits (5 * MICROSECONDS)
#define MICROSECONDS 600
#endif //_GPE_MACROS_H
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