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/***********************license start***************
* Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
* reserved.
*
*
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*
* * Redistributions of source code must retain the above copyright
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*
* * Redistributions in binary form must reproduce the above
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* This Software, including technical data, may be subject to U.S. export control
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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***********************license end**************************************/
/**
* @file
*
* Module to support operations on core such as TLB config, etc.
*
* <hr>$Revision: 49448 $<hr>
*
*/
#ifndef __CVMX_CORE_H__
#define __CVMX_CORE_H__
#ifdef __cplusplus
extern "C" {
#endif
/**
* The types of performance counters supported per cpu
*/
typedef enum
{
CVMX_CORE_PERF_NONE = 0, /**< Turn off the performance counter */
CVMX_CORE_PERF_CLK = 1, /**< Conditionally clocked cycles (as opposed to count/cvm_count which count even with no clocks) */
CVMX_CORE_PERF_ISSUE = 2, /**< Instructions issued but not retired */
CVMX_CORE_PERF_RET = 3, /**< Instructions retired */
CVMX_CORE_PERF_NISSUE = 4, /**< Cycles no issue */
CVMX_CORE_PERF_SISSUE = 5, /**< Cycles single issue */
CVMX_CORE_PERF_DISSUE = 6, /**< Cycles dual issue */
CVMX_CORE_PERF_IFI = 7, /**< Cycle ifetch issued (but not necessarily commit to pp_mem) */
CVMX_CORE_PERF_BR = 8, /**< Branches retired */
CVMX_CORE_PERF_BRMIS = 9, /**< Branch mispredicts */
CVMX_CORE_PERF_J = 10, /**< Jumps retired */
CVMX_CORE_PERF_JMIS = 11, /**< Jumps mispredicted */
CVMX_CORE_PERF_REPLAY = 12, /**< Mem Replays */
CVMX_CORE_PERF_IUNA = 13, /**< Cycles idle due to unaligned_replays */
CVMX_CORE_PERF_TRAP = 14, /**< trap_6a signal */
CVMX_CORE_PERF_UULOAD = 16, /**< Unexpected unaligned loads (REPUN=1) */
CVMX_CORE_PERF_UUSTORE = 17, /**< Unexpected unaligned store (REPUN=1) */
CVMX_CORE_PERF_ULOAD = 18, /**< Unaligned loads (REPUN=1 or USEUN=1) */
CVMX_CORE_PERF_USTORE = 19, /**< Unaligned store (REPUN=1 or USEUN=1) */
CVMX_CORE_PERF_EC = 20, /**< Exec clocks(must set CvmCtl[DISCE] for accurate timing) */
CVMX_CORE_PERF_MC = 21, /**< Mul clocks(must set CvmCtl[DISCE] for accurate timing) */
CVMX_CORE_PERF_CC = 22, /**< Crypto clocks(must set CvmCtl[DISCE] for accurate timing) */
CVMX_CORE_PERF_CSRC = 23, /**< Issue_csr clocks(must set CvmCtl[DISCE] for accurate timing) */
CVMX_CORE_PERF_CFETCH = 24, /**< Icache committed fetches (demand+prefetch) */
CVMX_CORE_PERF_CPREF = 25, /**< Icache committed prefetches */
CVMX_CORE_PERF_ICA = 26, /**< Icache aliases */
CVMX_CORE_PERF_II = 27, /**< Icache invalidates */
CVMX_CORE_PERF_IP = 28, /**< Icache parity error */
CVMX_CORE_PERF_CIMISS = 29, /**< Cycles idle due to imiss (must set CvmCtl[DISCE] for accurate timing) */
CVMX_CORE_PERF_WBUF = 32, /**< Number of write buffer entries created */
CVMX_CORE_PERF_WDAT = 33, /**< Number of write buffer data cycles used (may need to set CvmCtl[DISCE] for accurate counts) */
CVMX_CORE_PERF_WBUFLD = 34, /**< Number of write buffer entries forced out by loads */
CVMX_CORE_PERF_WBUFFL = 35, /**< Number of cycles that there was no available write buffer entry (may need to set CvmCtl[DISCE] and CvmMemCtl[MCLK] for accurate counts) */
CVMX_CORE_PERF_WBUFTR = 36, /**< Number of stores that found no available write buffer entries */
CVMX_CORE_PERF_BADD = 37, /**< Number of address bus cycles used (may need to set CvmCtl[DISCE] for accurate counts) */
CVMX_CORE_PERF_BADDL2 = 38, /**< Number of address bus cycles not reflected (i.e. destined for L2) (may need to set CvmCtl[DISCE] for accurate counts) */
CVMX_CORE_PERF_BFILL = 39, /**< Number of fill bus cycles used (may need to set CvmCtl[DISCE] for accurate counts) */
CVMX_CORE_PERF_DDIDS = 40, /**< Number of Dstream DIDs created */
CVMX_CORE_PERF_IDIDS = 41, /**< Number of Istream DIDs created */
CVMX_CORE_PERF_DIDNA = 42, /**< Number of cycles that no DIDs were available (may need to set CvmCtl[DISCE] and CvmMemCtl[MCLK] for accurate counts) */
CVMX_CORE_PERF_LDS = 43, /**< Number of load issues */
CVMX_CORE_PERF_LMLDS = 44, /**< Number of local memory load */
CVMX_CORE_PERF_IOLDS = 45, /**< Number of I/O load issues */
CVMX_CORE_PERF_DMLDS = 46, /**< Number of loads that were not prefetches and missed in the cache */
CVMX_CORE_PERF_STS = 48, /**< Number of store issues */
CVMX_CORE_PERF_LMSTS = 49, /**< Number of local memory store issues */
CVMX_CORE_PERF_IOSTS = 50, /**< Number of I/O store issues */
CVMX_CORE_PERF_IOBDMA = 51, /**< Number of IOBDMAs */
CVMX_CORE_PERF_DTLB = 53, /**< Number of dstream TLB refill, invalid, or modified exceptions */
CVMX_CORE_PERF_DTLBAD = 54, /**< Number of dstream TLB address errors */
CVMX_CORE_PERF_ITLB = 55, /**< Number of istream TLB refill, invalid, or address error exceptions */
CVMX_CORE_PERF_SYNC = 56, /**< Number of SYNC stall cycles (may need to set CvmCtl[DISCE] for accurate counts) */
CVMX_CORE_PERF_SYNCIOB = 57, /**< Number of SYNCIOBDMA stall cycles (may need to set CvmCtl[DISCE] for accurate counts) */
CVMX_CORE_PERF_SYNCW = 58, /**< Number of SYNCWs */
/* Added in CN63XX */
CVMX_CORE_PERF_ERETMIS = 64, /**< D/eret mispredicts */
CVMX_CORE_PERF_LIKMIS = 65, /**< Branch likely mispredicts */
CVMX_CORE_PERF_HAZTR = 66, /**< Hazard traps due to *MTC0 to CvmCtl, Perf counter control, EntryHi, or CvmMemCtl registers */
CVMX_CORE_PERF_MAX /**< This not a counter, just a marker for the highest number */
} cvmx_core_perf_t;
/**
* Bit description of the COP0 counter control register
*/
typedef union
{
uint32_t u32;
struct
{
#if __BYTE_ORDER == __BIG_ENDIAN
uint32_t m : 1; /**< Set to 1 for sel 0 and 0 for sel 2, indicating there are two performance counters */
uint32_t w : 1; /**< Set to 1 indicating coutners are 64 bit */
uint32_t reserved_11_29 :15;
cvmx_core_perf_t event :10; /**< Selects the event to be counted by the corresponding Counter Register */
uint32_t ie : 1; /**< Count in interrupt context */
uint32_t u : 1; /**< Count in user mode */
uint32_t s : 1; /**< Count in supervisor mode */
uint32_t k : 1; /**< Count in kernel mode */
uint32_t ex : 1; /**< Count in exception context */
#else
uint32_t ex : 1;
uint32_t k : 1;
uint32_t s : 1;
uint32_t u : 1;
uint32_t ie : 1;
uint32_t event :10;
uint32_t reserved_11_29 :15;
uint32_t w : 1;
uint32_t m : 1;
#endif
} s;
} cvmx_core_perf_control_t;
typedef enum {
CVMX_TLB_PAGEMASK_4K = 0x3 << 11,
CVMX_TLB_PAGEMASK_16K = 0xF << 11,
CVMX_TLB_PAGEMASK_64K = 0x3F << 11,
CVMX_TLB_PAGEMASK_256K = 0xFF << 11,
CVMX_TLB_PAGEMASK_1M = 0x3FF << 11,
CVMX_TLB_PAGEMASK_4M = 0xFFF << 11,
CVMX_TLB_PAGEMASK_16M = 0x3FFF << 11,
CVMX_TLB_PAGEMASK_64M = 0xFFFF << 11,
CVMX_TLB_PAGEMASK_256M = 0x3FFFF << 11,
} cvmx_tlb_pagemask_t;
int cvmx_core_add_wired_tlb_entry(uint64_t hi, uint64_t lo0, uint64_t lo1, cvmx_tlb_pagemask_t page_mask);
int cvmx_core_add_fixed_tlb_mapping(uint64_t vaddr, uint64_t page0_addr, uint64_t page1_addr, cvmx_tlb_pagemask_t page_mask);
int cvmx_core_add_fixed_tlb_mapping_bits(uint64_t vaddr, uint64_t page0_addr, uint64_t page1_addr, cvmx_tlb_pagemask_t page_mask);
/**
* Return number of TLB entries.
*/
int cvmx_core_get_tlb_entries(void);
#ifdef __cplusplus
}
#endif
#endif /* __CVMX_CORE_H__ */