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PM: PPE State tool fixes.
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Commit addresses various issues with PPE State tool:
    - exports various functions to through header file
    - documentation and variable update.
    - removes inclusion of p9_ppe_utils.C in other source files.
    - makefile updates

Change-Id: I0d5fc178cf04c23add5df00b59b9d6243695de99
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42467
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: AMIT J. TENDOLKAR <amit.tendolkar@in.ibm.com>
Reviewed-by: Juan R. Medina <jrmedina@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42469
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
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premsjha authored and dcrowell77 committed Jul 17, 2017
1 parent 901c861 commit 482ca88
Showing 1 changed file with 304 additions and 15 deletions.
319 changes: 304 additions & 15 deletions src/import/chips/p9/procedures/hwp/lib/p9_ppe_utils.H
Original file line number Diff line number Diff line change
Expand Up @@ -31,35 +31,24 @@
/// *HWP HW Backup Owner : Brian Vanderpool <vanderp@us.ibm.com>
/// *HWP FW Owner : Sangeetha T S <sangeet2@in.ibm.com>
/// *HWP Team : PM
/// *HWP Level : 2
/// *HWP Consumed by : CMEs, GPEs, SBE, Cronus
#include <map>
/// *HWP Level : 3
/// *HWP Consumed by : Cronus, HB, FSP
#ifndef __P9_PPE_UTILS_H__
#define __P9_PPE_UTILS_H__
#include <map>
#include <fapi2.H>
typedef struct
{
uint16_t number;
uint32_t value;
} PPERegValue_t;

typedef struct
{
PPERegValue_t reg;
std::string name;
} PPEReg_t;

typedef struct
{
uint16_t number;
uint64_t value;
} SCOMRegValue_t;


typedef struct
{
SCOMRegValue_t reg;
std::string name;
} SCOMReg_t;
/**
* @brief enumerates opcodes for few instructions.
*/
Expand Down Expand Up @@ -179,6 +168,20 @@ enum PPE_GPRS
R30 = 30,
R31 = 31,
};

#ifndef __HOSTBOOT_MODULE
typedef struct
{
SCOMRegValue_t reg;
std::string name;
} SCOMReg_t;

typedef struct
{
PPERegValue_t reg;
std::string name;
} PPEReg_t;

// Vector defining all spr acceess egisters
const std::map<uint16_t, std::string> v_ppe_sprs_num_name =
{
Expand Down Expand Up @@ -230,5 +233,291 @@ const std::map<uint16_t, std::string> v_ppe_xsr_num_name =
{ SPRG0, "SPRG0" }
};

#endif //__HOSTBOOT_MODULE

///--------------------------------------------------------------------------------------
/// @brief generates a PPE instruction for some formats
/// @param[in] i_Op Opcode
/// @param[in] i_Rts Source or Target Register
/// @param[in] i_RA Address Register
/// @param[in] i_d Instruction Data Field
/// @return returns 32 bit instruction representing the PPE instruction.
///--------------------------------------------------------------------------------------
uint32_t ppe_getInstruction( const uint16_t i_Op, const uint16_t i_Rts, const uint16_t i_Ra, const uint16_t i_d );

///--------------------------------------------------------------------------------------
/// @brief generates instruction for mtspr
/// @param[in] i_Rs source register number
/// @param[in] i_Spr represents spr where data is to be moved.
/// @return returns 32 bit instruction representing mtspr instruction.
///--------------------------------------------------------------------------------------
uint32_t ppe_getMtsprInstruction( const uint16_t i_Rs, const uint16_t i_Spr );


///--------------------------------------------------------------------------------------
/// @brief generates instruction for mfspr
/// @param[in] i_Rt target register number
/// @param[in] i_Spr represents spr where data is to sourced
/// @return returns 32 bit instruction representing mfspr instruction.
///--------------------------------------------------------------------------------------

uint32_t ppe_getMfsprInstruction( const uint16_t i_Rt, const uint16_t i_Spr );

///--------------------------------------------------------------------------------------
/// @brief generates instruction for mfmsr instruction.
/// @param[in] i_Rt target register number
/// @return returns 32 bit instruction representing mfmsr instruction.
/// @note moves contents of register MSR to i_Rt register.
///--------------------------------------------------------------------------------------
uint32_t ppe_getMfmsrInstruction( const uint16_t i_Rt );

///--------------------------------------------------------------------------------------
/// @brief generates instruction for mfcr instruction.
/// @param[in] i_Rt target register number
/// @return returns 32 bit instruction representing mfcr instruction.
/// @note moves contents of register CR to i_Rt register.
///--------------------------------------------------------------------------------------
uint32_t ppe_getMfcrInstruction( const uint16_t i_Rt );

///--------------------------------------------------------------------------------------
/// @brief poll for Halt state
/// @param[in] i_target fapi2 target for proc chip
/// @param[in] i_base_address base SCOM address of the PPE
/// @return fapi2::ReturnCode
/// @note moves contents of register MSR to i_Rt register.
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_pollHaltState(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address) ;

///--------------------------------------------------------------------------------------
/// @brief halt the engine
/// @param[in] i_target fapi2 target for proc chip
/// @param[in] i_base_address base SCOM address of the PPE
/// @return fapi2::ReturnCode
/// @note programs XCR with halt bit to halt the engine.
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_halt(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address );

///--------------------------------------------------------------------------------------
/// @brief force halt the engine
/// @param[in] i_target fapi2 target for proc chip
/// @param[in] i_base_address base SCOM address of the PPE
/// @return fapi2::ReturnCode
/// @note programs XCR with force halt to force halt the engine.
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_force_halt(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address );

///--------------------------------------------------------------------------------------
/// @brief resume the halted engine
/// @param[in] i_target fapi2 target for proc chip
/// @param[in] i_base_address base SCOM address of the PPE
/// @return fapi2::ReturnCode
/// @note programs XCR with resume bit to resume the engine.
///--------------------------------------------------------------------------------------
fapi2::ReturnCode ppe_resume(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address );

///--------------------------------------------------------------------------------------
/// @brief update dbcr
/// @param[in] i_target fapi2 target for proc chip
/// @param[in] i_base_address base SCOM address of the PPE
/// @param[in] i_inst_op instruction opcode
/// @param[in] i_immed_16 16 bit constant
/// @param[in] i_Rs source GPR number
/// @return fapi2::ReturnCode
/// @note programs mtdbcr
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_update_dbcr(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address,
const uint64_t i_inst_op,
const uint16_t i_immed_16,
const uint16_t i_Rs );

///--------------------------------------------------------------------------------------
/// @brief update dacr
/// @param[in] i_target target register number
/// @param[in] i_base_address base SCOM address of the PPE
/// @param[in] i_address address to be updated
/// @return fapi2::ReturnCode
/// @note programs mtdacr
///--------------------------------------------------------------------------------------
fapi2::ReturnCode ppe_update_dacr(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address,
const uint64_t i_address,
const uint16_t i_Rs );

///--------------------------------------------------------------------------------------
/// @brief Perform RAM "read" operation
/// @param[in] i_target Chip Target
/// @param[in] i_base_address base SCOM address of the PPE
/// @param[in] i_instruction RAM instruction to move a register
/// @param[out] o_data Returned data
/// @return fapi2::ReturnCode
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_RAMRead(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address,
const fapi2::buffer<uint64_t> i_instruction,
fapi2::buffer<uint32_t>& o_data );

///--------------------------------------------------------------------------------------
/// @brief Perform RAM "read" operation
/// @param[in] i_target Chip Target
/// @param[in] i_base_address base SCOM address of the PPE
/// @param[in] i_instruction RAM instruction to move a register
/// @return fapi2::ReturnCode
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_RAM(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address,
const uint64_t i_instruction
);

///--------------------------------------------------------------------------------------
/// @brief single step the engine
/// @param[in] i_target target register number
/// @param[in] i_base_address base SCOM address of the PPE
/// @param[in] i_Rs
/// @param[in] i_step_count
/// @return fapi2::ReturnCode
/// @note programs XCR with single step tosingle step the engine.
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_single_step(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address,
const uint16_t i_Rs,
uint64_t i_step_count );


///--------------------------------------------------------------------------------------
/// @brief clear the dbg status engine
/// @param[in] i_target target register number
/// @param[in] i_base_address base SCOM address of the PPE
/// @return fapi2::ReturnCode
/// @note programs XCR to clear dbg status.
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_clear_dbg(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address );

///--------------------------------------------------------------------------------------
/// @brief toggle TRH
/// @param[in] i_target target register number
/// @param[in] i_base_address base SCOM address of the PPE
/// @return fapi2::ReturnCode
/// @note programs XCR to toggle trh.
///--------------------------------------------------------------------------------------
fapi2::ReturnCode ppe_toggle_trh(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address );

///--------------------------------------------------------------------------------------
/// @brief xcr soft reset
/// @param[in] i_target target register number
/// @param[in] i_base_address base SCOM address of the PPE
/// @return fapi2::ReturnCode
/// @note programs XCR to give soft reset
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_soft_reset(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address );

///--------------------------------------------------------------------------------------
/// @brief xcr hard reset
/// @param[in] i_target target register number
/// @param[in] i_base_address base SCOM address of the PPE
/// @return fapi2::ReturnCode
/// @note programs XCR to give hard reset
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_hard_reset(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address );

///--------------------------------------------------------------------------------------
/// @brief xcr resume only
/// @param[in] i_target target register number
/// @param[in] i_base_address base SCOM address of the PPE
/// @return fapi2::ReturnCode
/// @note programs XCR to only resume
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_resume_only(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address );

///--------------------------------------------------------------------------------------
/// @brief only single step the engine
/// @param[in] i_target target register number
/// @param[in] i_base_address base SCOM address of the PPE
/// @param[in] i_step_count
/// @return fapi2::ReturnCode
/// @note programs XCR with single step no clearing DBCR
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_ss_only(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address,
uint64_t i_step_count );

///--------------------------------------------------------------------------------------
/// @brief populate IAR register with a given address
/// @param[in] i_target target register number
/// @param[in] i_base_address base SCOM address of the PPE
/// @param[in] i_address address to be populated
/// @return fapi2::ReturnCode
/// @note programs XCR with single step no clearing DBCR
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_write_iar(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
const uint64_t i_base_address,
const uint64_t i_address );

#ifndef __HOSTBOOT_MODULE

///--------------------------------------------------------------------------------------
/// @brief finds name of SCOM registers and populates a vector
/// @param[in] i_ppe_regs_value a vector of SCOMRegValue_t
/// @param[in] i_ppe_regs_num_name a map of reg num and respective name
/// @param[in] i_scom_regs a vector of SCOMReg_t
/// @return fapi2::ReturnCode
///--------------------------------------------------------------------------------------

fapi2::ReturnCode scom_regs_populate_name(
std::vector<SCOMRegValue_t> i_ppe_regs_value,
const std::map<uint16_t, std::string> i_ppe_regs_num_name,
std::vector<SCOMReg_t>& i_scom_regs );

///--------------------------------------------------------------------------------------
/// @brief populates register names
/// @param[in] i_ppe_regs_value
/// @param[in] i_ppe_regs_num_name
/// @param[in] i_ppe_regs
/// @return fapi2::ReturnCode
///--------------------------------------------------------------------------------------

fapi2::ReturnCode ppe_regs_populate_name(
std::vector<PPERegValue_t> i_ppe_regs_value,
const std::map<uint16_t, std::string> i_ppe_regs_num_name,
std::vector<PPEReg_t>& i_ppe_regs );

#endif //__HOSTBOOT_MODULE
#endif // __P9_PPE_UTILS_H__

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