a0730fec2a
documentation.
115 lines
No EOL
6.3 KiB
C
115 lines
No EOL
6.3 KiB
C
#ifndef XTENSA_DEBUG_MODULE_H
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#define XTENSA_DEBUG_MODULE_H
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#include "soc/cpu.h"
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/*
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ERI registers / OCD offsets and field definitions
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*/
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#define ERI_DEBUG_OFFSET 0x100000
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#define ERI_TRAX_OFFSET (ERI_DEBUG_OFFSET+0)
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#define ERI_PERFMON_OFFSET (ERI_DEBUG_OFFSET+0x1000)
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#define ERI_OCDREG_OFFSET (ERI_DEBUG_OFFSET+0x2000)
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#define ERI_MISCDBG_OFFSET (ERI_DEBUG_OFFSET+0x3000)
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#define ERI_CORESIGHT_OFFSET (ERI_DEBUG_OFFSET+0x3F00)
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#define ERI_TRAX_TRAXID (ERI_TRAX_OFFSET+0x00)
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#define ERI_TRAX_TRAXCTRL (ERI_TRAX_OFFSET+0x04)
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#define ERI_TRAX_TRAXSTAT (ERI_TRAX_OFFSET+0x08)
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#define ERI_TRAX_TRAXDATA (ERI_TRAX_OFFSET+0x0C)
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#define ERI_TRAX_TRAXADDR (ERI_TRAX_OFFSET+0x10)
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#define ERI_TRAX_TRIGGERPC (ERI_TRAX_OFFSET+0x14)
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#define ERI_TRAX_PCMATCHCTRL (ERI_TRAX_OFFSET+0x18)
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#define ERI_TRAX_DELAYCNT (ERI_TRAX_OFFSET+0x1C)
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#define ERI_TRAX_MEMADDRSTART (ERI_TRAX_OFFSET+0x20)
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#define ERI_TRAX_MEMADDREND (ERI_TRAX_OFFSET+0x24)
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#define TRAXCTRL_TREN (1<<0) //Trace enable. Tracing starts on 0->1
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#define TRAXCTRL_TRSTP (1<<1) //Trace Stop. Make 1 to stop trace.
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#define TRAXCTRL_PCMEN (1<<2) //PC match enable
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#define TRAXCTRL_PTIEN (1<<4) //Processor-trigger enable
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#define TRAXCTRL_CTIEN (1<<5) //Cross-trigger enable
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#define TRAXCTRL_TMEN (1<<7) //Tracemem Enable. Always set.
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#define TRAXCTRL_CNTU (1<<9) //Post-stop-trigger countdown units; selects when DelayCount-- happens.
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//0 - every 32-bit word written to tracemem, 1 - every cpu instruction
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#define TRAXCTRL_TSEN (1<<11) //Undocumented/deprecated?
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#define TRAXCTRL_SMPER_SHIFT 12 //Send sync every 2^(9-smper) messages. 7=reserved, 0=no sync msg
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#define TRAXCTRL_SMPER_MASK 0x7 //Synchronization message period
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#define TRAXCTRL_PTOWT (1<<16) //Processor Trigger Out (OCD halt) enabled when stop triggered
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#define TRAXCTRL_PTOWS (1<<17) //Processor Trigger Out (OCD halt) enabled when trace stop completes
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#define TRAXCTRL_CTOWT (1<<20) //Cross-trigger Out enabled when stop triggered
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#define TRAXCTRL_CTOWS (1<<21) //Cross-trigger Out enabled when trace stop completes
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#define TRAXCTRL_ITCTO (1<<22) //Integration mode: cross-trigger output
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#define TRAXCTRL_ITCTIA (1<<23) //Integration mode: cross-trigger ack
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#define TRAXCTRL_ITATV (1<<24) //replaces ATID when in integration mode: ATVALID output
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#define TRAXCTRL_ATID_MASK 0x7F //ARB source ID
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#define TRAXCTRL_ATID_SHIFT 24
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#define TRAXCTRL_ATEN (1<<31) //ATB interface enable
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#define TRAXSTAT_TRACT (1<<0) //Trace active flag.
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#define TRAXSTAT_TRIG (1<<1) //Trace stop trigger. Clears on TREN 1->0
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#define TRAXSTAT_PCMTG (1<<2) //Stop trigger caused by PC match. Clears on TREN 1->0
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#define TRAXSTAT_PJTR (1<<3) //JTAG transaction result. 1=err in preceding jtag transaction.
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#define TRAXSTAT_PTITG (1<<4) //Stop trigger caused by Processor Trigger Input. Clears on TREN 1->0
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#define TRAXSTAT_CTITG (1<<5) //Stop trigger caused by Cross-Trigger Input. Clears on TREN 1->0
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#define TRAXSTAT_MEMSZ_SHIFT 8 //Traceram size inducator. Usable trace ram is 2^MEMSZ bytes.
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#define TRAXSTAT_MEMSZ_MASK 0x1F
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#define TRAXSTAT_PTO (1<<16) //Processor Trigger Output: current value
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#define TRAXSTAT_CTO (1<<17) //Cross-Trigger Output: current value
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#define TRAXSTAT_ITCTOA (1<<22) //Cross-Trigger Out Ack: current value
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#define TRAXSTAT_ITCTI (1<<23) //Cross-Trigger Input: current value
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#define TRAXSTAT_ITATR (1<<24) //ATREADY Input: current value
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#define TRAXADDR_TADDR_SHIFT 0 //Trax memory address, in 32-bit words.
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#define TRAXADDR_TADDR_MASK 0x1FFFFF //Actually is only as big as the trace buffer size max addr.
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#define TRAXADDR_TWRAP_SHIFT 21 //Amount of times TADDR has overflown
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#define TRAXADDR_TWRAP_MASK 0x3FF
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#define TRAXADDR_TWSAT (1<<31) //1 if TWRAP has overflown, clear by disabling tren.
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#define PCMATCHCTRL_PCML_SHIFT 0 //Amount of lower bits to ignore in pc trigger register
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#define PCMATCHCTRL_PCML_MASK 0x1F
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#define PCMATCHCTRL_PCMS (1<<31) //PC Match Sense, 0 - match when procs PC is in-range, 1 - match when
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//out-of-range
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// Global control/status for all performance counters
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#define ERI_PERFMON_PGM (ERI_PERFMON_OFFSET+0x0000)
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//PC at the cycle of the event that caused PerfMonInt assertion
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#define ERI_PERFMON_INTPC (ERI_PERFMON_OFFSET+0x0010)
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// Maximum amount of counter (depends on chip)
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#define ERI_PERFMON_MAX XCHAL_NUM_PERF_COUNTERS
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// Performance counter value
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#define ERI_PERFMON_PM0 (ERI_PERFMON_OFFSET+0x0080)
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// Performance counter control register
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#define ERI_PERFMON_PMCTRL0 (ERI_PERFMON_OFFSET+0x0100)
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// Performance counter status register
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#define ERI_PERFMON_PMSTAT0 (ERI_PERFMON_OFFSET+0x0180)
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#define PMCTRL_INTEN (1<<0) // Enables assertion of PerfMonInt output when overflow happens
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#define PMCTRL_KRNLCNT (1<<3) // Enables counting when CINTLEVEL* >
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// TRACELEVEL (i.e. If this bit is set, this counter
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// counts only when CINTLEVEL >TRACELEVEL;
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// if this bit is cleared, this counter counts only when
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// CINTLEVEL ≤ TRACELEVEL)
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#define PMCTRL_KRNLCNT_SHIFT 3
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#define PMCTRL_TRACELEVEL_SHIFT 4 // Compares this value to CINTLEVEL* when deciding whether to count
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#define PMCTRL_TRACELEVEL_MASK 0xf
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#define PMCTRL_SELECT_SHIFT 8 // Selects input to be counted by the counter
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#define PMCTRL_SELECT_MASK 0x1f
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#define PMCTRL_MASK_SHIFT 16 // Selects input subsets to be counted (counter will
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// increment only once even if more than one condition
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// corresponding to a mask bit occurs)
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#define PMCTRL_MASK_MASK 0xffff
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#define PMSTAT_OVFL (1<<0) // Counter Overflow. Sticky bit set when a counter rolls over
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// from 0xffffffff to 0x0.
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#define PMSTAT_INTSTART (1<<4) // This counter’s overflow caused PerfMonInt to be asserted.
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#define PGM_PMEN (1<<0) // Overall enable for all performance counting
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#endif |