-#define AC_ACCESS_REGISTER None
+#define DTM_IDCODE 0x01
/*
-* 2: Access the lowest 32 bits of the register.
+* Identifies the release version of this part.
+ */
+#define DTM_IDCODE_VERSION_OFFSET 28
+#define DTM_IDCODE_VERSION_LENGTH 4
+#define DTM_IDCODE_VERSION (0xfU << DTM_IDCODE_VERSION_OFFSET)
+/*
+* Identifies the designer's part number of this part.
+ */
+#define DTM_IDCODE_PARTNUMBER_OFFSET 12
+#define DTM_IDCODE_PARTNUMBER_LENGTH 16
+#define DTM_IDCODE_PARTNUMBER (0xffffU << DTM_IDCODE_PARTNUMBER_OFFSET)
+/*
+* Identifies the designer/manufacturer of this part. Bits 6:0 must be
+* bits 6:0 of the designer/manufacturer's Identification Code as
+* assigned by JEDEC Standard JEP106. Bits 10:7 contain the modulo-16
+* count of the number of continuation characters (0x7f) in that same
+* Identification Code.
+ */
+#define DTM_IDCODE_MANUFID_OFFSET 1
+#define DTM_IDCODE_MANUFID_LENGTH 11
+#define DTM_IDCODE_MANUFID (0x7ffU << DTM_IDCODE_MANUFID_OFFSET)
+#define DTM_IDCODE_1_OFFSET 0
+#define DTM_IDCODE_1_LENGTH 1
+#define DTM_IDCODE_1 (0x1U << DTM_IDCODE_1_OFFSET)
+#define DTM_DTMCS 0x10
+/*
+* Writing 1 to this bit does a hard reset of the DTM,
+* causing the DTM to forget about any outstanding DMI transactions.
+* In general this should only be used when the Debugger has
+* reason to expect that the outstanding DMI transaction will never
+* complete (e.g. a reset condition caused an inflight DMI transaction to
+* be cancelled).
+ */
+#define DTM_DTMCS_DMIHARDRESET_OFFSET 17
+#define DTM_DTMCS_DMIHARDRESET_LENGTH 1
+#define DTM_DTMCS_DMIHARDRESET (0x1U << DTM_DTMCS_DMIHARDRESET_OFFSET)
+/*
+* Writing 1 to this bit clears the sticky error state
+* and allows the DTM to retry or complete the previous
+* transaction.
+ */
+#define DTM_DTMCS_DMIRESET_OFFSET 16
+#define DTM_DTMCS_DMIRESET_LENGTH 1
+#define DTM_DTMCS_DMIRESET (0x1U << DTM_DTMCS_DMIRESET_OFFSET)
+/*
+* This is a hint to the debugger of the minimum number of
+* cycles a debugger should spend in
+* Run-Test/Idle after every DMI scan to avoid a `busy'
+* return code (\Fdmistat of 3). A debugger must still
+* check \Fdmistat when necessary.
*
-* 3: Access the lowest 64 bits of the register.
+* 0: It is not necessary to enter Run-Test/Idle at all.
*
-* 4: Access the lowest 128 bits of the register.
+* 1: Enter Run-Test/Idle and leave it immediately.
+*
+* 2: Enter Run-Test/Idle and stay there for 1 cycle before leaving.
*
-* If \Fsize specifies a size larger than the register is, then the
-* access must fail. If a register is accessible, then \Fsize matching
-* the register's actual size must be supported.
+* And so on.
*/
-#define AC_ACCESS_REGISTER_SIZE_OFFSET 19
-#define AC_ACCESS_REGISTER_SIZE_LENGTH 3
-#define AC_ACCESS_REGISTER_SIZE (0x7 << AC_ACCESS_REGISTER_SIZE_OFFSET)
+#define DTM_DTMCS_IDLE_OFFSET 12
+#define DTM_DTMCS_IDLE_LENGTH 3
+#define DTM_DTMCS_IDLE (0x7U << DTM_DTMCS_IDLE_OFFSET)
/*
-* When 1, execute the program in the Program Buffer exactly once
-* before performing the read/write.
+* 0: No error.
+*
+* 1: Reserved. Interpret the same as 2.
+*
+* 2: An operation failed (resulted in \Fop of 2).
+*
+* 3: An operation was attempted while a DMI access was still in
+* progress (resulted in \Fop of 3).
*/
-#define AC_ACCESS_REGISTER_PREEXEC_OFFSET 18
-#define AC_ACCESS_REGISTER_PREEXEC_LENGTH 1
-#define AC_ACCESS_REGISTER_PREEXEC (0x1 << AC_ACCESS_REGISTER_PREEXEC_OFFSET)
+#define DTM_DTMCS_DMISTAT_OFFSET 10
+#define DTM_DTMCS_DMISTAT_LENGTH 2
+#define DTM_DTMCS_DMISTAT (0x3U << DTM_DTMCS_DMISTAT_OFFSET)
/*
-* When 1, execute the program in the Program Buffer exactly once
-* after performing the read/write.
+* The size of \Faddress in \Rdmi.
*/
-#define AC_ACCESS_REGISTER_POSTEXEC_OFFSET 17
-#define AC_ACCESS_REGISTER_POSTEXEC_LENGTH 1
-#define AC_ACCESS_REGISTER_POSTEXEC (0x1 << AC_ACCESS_REGISTER_POSTEXEC_OFFSET)
+#define DTM_DTMCS_ABITS_OFFSET 4
+#define DTM_DTMCS_ABITS_LENGTH 6
+#define DTM_DTMCS_ABITS (0x3fU << DTM_DTMCS_ABITS_OFFSET)
/*
-* 0: Copy data from {\tt arg0} portion of {\tt data} into the
-* specified register.
+* 0: Version described in spec version 0.11.
*
-* 1: Copy data from the specified register into {\tt arg0} portion
-* of {\tt data}.
+* 1: Version described in spec version 0.13 (and later?), which
+* reduces the DMI data width to 32 bits.
+*
+* 15: Version not described in any available version of this spec.
*/
-#define AC_ACCESS_REGISTER_WRITE_OFFSET 16
-#define AC_ACCESS_REGISTER_WRITE_LENGTH 1
-#define AC_ACCESS_REGISTER_WRITE (0x1 << AC_ACCESS_REGISTER_WRITE_OFFSET)
+#define DTM_DTMCS_VERSION_OFFSET 0
+#define DTM_DTMCS_VERSION_LENGTH 4
+#define DTM_DTMCS_VERSION (0xfU << DTM_DTMCS_VERSION_OFFSET)
+#define DTM_DMI 0x11
/*
-* Number of the register to access, as described in Table~\ref{tab:regno}.
+* Address used for DMI access. In Update-DR this value is used
+* to access the DM over the DMI.
*/
-#define AC_ACCESS_REGISTER_REGNO_OFFSET 0
-#define AC_ACCESS_REGISTER_REGNO_LENGTH 16
-#define AC_ACCESS_REGISTER_REGNO (0xffff << AC_ACCESS_REGISTER_REGNO_OFFSET)
-#define AC_QUICK_ACCESS None
-#define AC_QUICK_ACCESS_1_OFFSET 24
-#define AC_QUICK_ACCESS_1_LENGTH 8
-#define AC_QUICK_ACCESS_1 (0xff << AC_QUICK_ACCESS_1_OFFSET)
+#define DTM_DMI_ADDRESS_OFFSET 34
+#define DTM_DMI_ADDRESS_LENGTH abits
+#define DTM_DMI_ADDRESS (((1L<<abits)-1) << DTM_DMI_ADDRESS_OFFSET)
+/*
+* The data to send to the DM over the DMI during Update-DR, and
+* the data returned from the DM as a result of the previous operation.
+ */
+#define DTM_DMI_DATA_OFFSET 2
+#define DTM_DMI_DATA_LENGTH 32
+#define DTM_DMI_DATA (0xffffffffULL << DTM_DMI_DATA_OFFSET)
+/*
+* When the debugger writes this field, it has the following meaning:
+*
+* 0: Ignore \Fdata and \Faddress. (nop)
+*
+* Don't send anything over the DMI during Update-DR.
+* This operation should never result in a busy or error response.
+* The address and data reported in the following Capture-DR
+* are undefined.
+*
+* 1: Read from \Faddress. (read)
+*
+* 2: Write \Fdata to \Faddress. (write)
+*
+* 3: Reserved.
+*
+* When the debugger reads this field, it means the following:
+*
+* 0: The previous operation completed successfully.
+*
+* 1: Reserved.
+*
+* 2: A previous operation failed. The data scanned into \Rdmi in
+* this access will be ignored. This status is sticky and can be
+* cleared by writing \Fdmireset in \Rdtmcs.
+*
+* This indicates that the DM itself responded with an error.
+* Note: there are no specified cases in which the DM would
+* respond with an error, and DMI is not required to support
+* returning errors.
+*
+* 3: An operation was attempted while a DMI request is still in
+* progress. The data scanned into \Rdmi in this access will be
+* ignored. This status is sticky and can be cleared by writing
+* \Fdmireset in \Rdtmcs. If a debugger sees this status, it
+* needs to give the target more TCK edges between Update-DR and
+* Capture-DR. The simplest way to do that is to add extra transitions
+* in Run-Test/Idle.
+*
+* (The DTM, DM, and/or component may be in different clock domains,
+* so synchronization may be required. Some relatively fixed number of
+* TCK ticks may be needed for the request to reach the DM, complete,
+* and for the response to be synchronized back into the TCK domain.)
+ */
+#define DTM_DMI_OP_OFFSET 0
+#define DTM_DMI_OP_LENGTH 2
+#define DTM_DMI_OP (0x3ULL << DTM_DMI_OP_OFFSET)
#define CSR_DCSR 0x7b0
/*
* 0: There is no external debug support.
*
-* 1: External debug support exists as it is described in this document.
+* 4: External debug support exists as it is described in this document.
*
-* Other values are reserved for future standards.
+* 15: There is external debug support, but it does not conform to any
+* available version of this spec.
*/
-#define CSR_DCSR_XDEBUGVER_OFFSET 30
-#define CSR_DCSR_XDEBUGVER_LENGTH 2
-#define CSR_DCSR_XDEBUGVER (0x3 << CSR_DCSR_XDEBUGVER_OFFSET)
+#define CSR_DCSR_XDEBUGVER_OFFSET 28
+#define CSR_DCSR_XDEBUGVER_LENGTH 4
+#define CSR_DCSR_XDEBUGVER (0xfU << CSR_DCSR_XDEBUGVER_OFFSET)
/*
-* When 1, {\tt ebreak} instructions in Machine Mode enter Halt Mode.
+* When 1, {\tt ebreak} instructions in Machine Mode enter Debug Mode.
*/
#define CSR_DCSR_EBREAKM_OFFSET 15
#define CSR_DCSR_EBREAKM_LENGTH 1
-#define CSR_DCSR_EBREAKM (0x1 << CSR_DCSR_EBREAKM_OFFSET)
-/*
-* When 1, {\tt ebreak} instructions in Hypervisor Mode enter Halt Mode.
- */
-#define CSR_DCSR_EBREAKH_OFFSET 14
-#define CSR_DCSR_EBREAKH_LENGTH 1
-#define CSR_DCSR_EBREAKH (0x1 << CSR_DCSR_EBREAKH_OFFSET)
+#define CSR_DCSR_EBREAKM (0x1U << CSR_DCSR_EBREAKM_OFFSET)
/*
-* When 1, {\tt ebreak} instructions in Supervisor Mode enter Halt Mode.
+* When 1, {\tt ebreak} instructions in Supervisor Mode enter Debug Mode.
*/
#define CSR_DCSR_EBREAKS_OFFSET 13
#define CSR_DCSR_EBREAKS_LENGTH 1
-#define CSR_DCSR_EBREAKS (0x1 << CSR_DCSR_EBREAKS_OFFSET)
+#define CSR_DCSR_EBREAKS (0x1U << CSR_DCSR_EBREAKS_OFFSET)
/*
* When 1, {\tt ebreak} instructions in User/Application Mode enter
-* Halt Mode.
+* Debug Mode.
*/
#define CSR_DCSR_EBREAKU_OFFSET 12
#define CSR_DCSR_EBREAKU_LENGTH 1
-#define CSR_DCSR_EBREAKU (0x1 << CSR_DCSR_EBREAKU_OFFSET)
+#define CSR_DCSR_EBREAKU (0x1U << CSR_DCSR_EBREAKU_OFFSET)
+/*
+* 0: Interrupts are disabled during single stepping.
+*
+* 1: Interrupts are enabled during single stepping.
+*
+* Implementations may hard wire this bit to 0.
+* The debugger must read back the value it
+* writes to check whether the feature is supported. If not
+* supported, interrupt behavior can be emulated by the debugger.
+ */
+#define CSR_DCSR_STEPIE_OFFSET 11
+#define CSR_DCSR_STEPIE_LENGTH 1
+#define CSR_DCSR_STEPIE (0x1U << CSR_DCSR_STEPIE_OFFSET)
/*
-* Controls the behavior of any counters while the component is in
-* Halt Mode. This includes the {\tt cycle} and {\tt instret} CSRs.
-* When 1, counters are stopped when the component is in Halt Mode.
-* Otherwise, the counters continue to run.
+* 0: Increment counters as usual.
+*
+* 1: Don't increment any counters while in Debug Mode or on {\tt
+* ebreak} instructions that cause entry into Debug Mode. These
+* counters include the {\tt cycle} and {\tt instret} CSRs. This is
+* preferred for most debugging scenarios.
*
* An implementation may choose not to support writing to this bit.
* The debugger must read back the value it writes to check whether
* the feature is supported.
*/
-#define CSR_DCSR_STOPCYCLE_OFFSET 10
-#define CSR_DCSR_STOPCYCLE_LENGTH 1
-#define CSR_DCSR_STOPCYCLE (0x1 << CSR_DCSR_STOPCYCLE_OFFSET)
+#define CSR_DCSR_STOPCOUNT_OFFSET 10
+#define CSR_DCSR_STOPCOUNT_LENGTH 1
+#define CSR_DCSR_STOPCOUNT (0x1U << CSR_DCSR_STOPCOUNT_OFFSET)
/*
-* Controls the behavior of any timers while the component is in Debug
-* Mode. This includes the {\tt time} and {tt timeh} CSRs. When 1,
-* timers are stopped when the component is in Halt Mode. Otherwise,
-* the timers continue to run.
+* 0: Increment timers as usual.
+*
+* 1: Don't increment any hart-local timers while in Debug Mode.
*
* An implementation may choose not to support writing to this bit.
* The debugger must read back the value it writes to check whether
*/
#define CSR_DCSR_STOPTIME_OFFSET 9
#define CSR_DCSR_STOPTIME_LENGTH 1
-#define CSR_DCSR_STOPTIME (0x1 << CSR_DCSR_STOPTIME_OFFSET)
+#define CSR_DCSR_STOPTIME (0x1U << CSR_DCSR_STOPTIME_OFFSET)
/*
-* Explains why Halt Mode was entered.
+* Explains why Debug Mode was entered.
*
-* When there are multiple reasons to enter Halt Mode in a single
+* When there are multiple reasons to enter Debug Mode in a single
* cycle, the cause with the highest priority is the one written.
*
-* 1: A software breakpoint was hit. (priority 3)
+* 1: An {\tt ebreak} instruction was executed. (priority 3)
*
-* 2: The Trigger Module caused a halt. (priority 4)
+* 2: The Trigger Module caused a breakpoint exception. (priority 4)
*
-* 3: The debug interrupt was asserted by the Debug Module. (priority 2)
+* 3: The debugger requested entry to Debug Mode. (priority 2)
*
* 4: The hart single stepped because \Fstep was set. (priority 1)
*
-* 5: \Fhaltreq was set. (priority 0)
-*
* Other values are reserved for future use.
*/
#define CSR_DCSR_CAUSE_OFFSET 6
#define CSR_DCSR_CAUSE_LENGTH 3
-#define CSR_DCSR_CAUSE (0x7 << CSR_DCSR_CAUSE_OFFSET)
+#define CSR_DCSR_CAUSE (0x7U << CSR_DCSR_CAUSE_OFFSET)
/*
-* When set and not in Halt Mode, the hart will only execute a single
-* instruction, and then enter Halt Mode. Interrupts are disabled
-* when this bit is set.
+* When set and not in Debug Mode, the hart will only execute a single
+* instruction and then enter Debug Mode.
+* If the instruction does not complete due to an exception,
+* the hart will immediately enter Debug Mode before executing
+* the trap handler, with appropriate exception registers set.
*/
#define CSR_DCSR_STEP_OFFSET 2
#define CSR_DCSR_STEP_LENGTH 1
-#define CSR_DCSR_STEP (0x1 << CSR_DCSR_STEP_OFFSET)
+#define CSR_DCSR_STEP (0x1U << CSR_DCSR_STEP_OFFSET)
/*
* Contains the privilege level the hart was operating in when Debug
-* Mode was entered. The encoding is describe in Table
+* Mode was entered. The encoding is described in Table
* \ref{tab:privlevel}. A debugger can change this value to change
-* the hart's privilege level when exiting Halt Mode.
+* the hart's privilege level when exiting Debug Mode.
*
* Not all privilege levels are supported on all harts. If the
* encoding written is not supported or the debugger is not allowed to
*/
#define CSR_DCSR_PRV_OFFSET 0
#define CSR_DCSR_PRV_LENGTH 2
-#define CSR_DCSR_PRV (0x3 << CSR_DCSR_PRV_OFFSET)
+#define CSR_DCSR_PRV (0x3U << CSR_DCSR_PRV_OFFSET)
#define CSR_DPC 0x7b1
#define CSR_DPC_DPC_OFFSET 0
#define CSR_DPC_DPC_LENGTH XLEN
#define CSR_DPC_DPC (((1L<<XLEN)-1) << CSR_DPC_DPC_OFFSET)
#define CSR_DSCRATCH0 0x7b2
#define CSR_DSCRATCH1 0x7b3
-#define CSR_PRIV virtual
-/*
-* Contains the privilege level the hart was operating in when Debug
-* Mode was entered. The encoding is describe in Table
-* \ref{tab:privlevel}. A user can write this value to change the
-* hart's privilege level when exiting Halt Mode.
- */
-#define CSR_PRIV_PRV_OFFSET 0
-#define CSR_PRIV_PRV_LENGTH 2
-#define CSR_PRIV_PRV (0x3 << CSR_PRIV_PRV_OFFSET)
-#define DMI_DMCONTROL 0x00
-/*
-* Halt request signal for the hart selected by \Fhartsel. When 1, the
-* hart will halt if it's not currently halted.
-* Setting both \Fhaltreq and \Fresumereq leads to undefined behavior.
-*
-* Writes apply to the new value of \Fhartsel.
- */
-#define DMI_DMCONTROL_HALTREQ_OFFSET 31
-#define DMI_DMCONTROL_HALTREQ_LENGTH 1
-#define DMI_DMCONTROL_HALTREQ (0x1 << DMI_DMCONTROL_HALTREQ_OFFSET)
+#define CSR_TSELECT 0x7a0
+#define CSR_TSELECT_INDEX_OFFSET 0
+#define CSR_TSELECT_INDEX_LENGTH XLEN
+#define CSR_TSELECT_INDEX (((1L<<XLEN)-1) << CSR_TSELECT_INDEX_OFFSET)
+#define CSR_TDATA1 0x7a1
/*
-* Resume request signal for the hart selected by \Fhartsel. When 1,
-* the hart will resume if it's currently halted.
-* Setting both \Fhaltreq and \Fresumereq leads to undefined behavior.
+* 0: There is no trigger at this \Rtselect.
*
-* Writes apply to the new value of \Fhartsel.
- */
-#define DMI_DMCONTROL_RESUMEREQ_OFFSET 30
-#define DMI_DMCONTROL_RESUMEREQ_LENGTH 1
-#define DMI_DMCONTROL_RESUMEREQ (0x1 << DMI_DMCONTROL_RESUMEREQ_OFFSET)
-/*
-* The status of the currently selected hart.
+* 1: The trigger is a legacy SiFive address match trigger. These
+* should not be implemented and aren't further documented here.
*
-* 0: Halted.
+* 2: The trigger is an address/data match trigger. The remaining bits
+* in this register act as described in \Rmcontrol.
*
-* 1: Running.
+* 3: The trigger is an instruction count trigger. The remaining bits
+* in this register act as described in \Ricount.
*
-* 2: Unavailable (eg. powered down, held in reset).
+* 15: This trigger exists (so enumeration shouldn't terminate), but
+* is not currently available.
*
-* 3: \Fhartsel specifies a hart that does not exist in this system.
- */
-#define DMI_DMCONTROL_HARTSTATUS_OFFSET 26
-#define DMI_DMCONTROL_HARTSTATUS_LENGTH 2
-#define DMI_DMCONTROL_HARTSTATUS (0x3 << DMI_DMCONTROL_HARTSTATUS_OFFSET)
-/*
-* The DM-specific index of the hart to select.
+* Other values are reserved for future use.
*/
-#define DMI_DMCONTROL_HARTSEL_OFFSET 16
-#define DMI_DMCONTROL_HARTSEL_LENGTH 10
-#define DMI_DMCONTROL_HARTSEL (0x3ff << DMI_DMCONTROL_HARTSEL_OFFSET)
+#define CSR_TDATA1_TYPE_OFFSET (XLEN-4)
+#define CSR_TDATA1_TYPE_LENGTH 4
+#define CSR_TDATA1_TYPE (0xfULL << CSR_TDATA1_TYPE_OFFSET)
/*
-* This bit serves as a reset signal for the Debug Module itself.
-* When 0, the module is held in reset. When 1, it functions normally.
-* No other mechanism should exist that may result in resetting the
-* Debug Module after power up, including the platform's system reset
-* or Debug Transport reset signals.
+* 0: Both Debug and M Mode can write the {\tt tdata} registers at the
+* selected \Rtselect.
*
-* A debugger should pulse this bit low to ensure that the Debug
-* Module is fully reset and ready to use.
+* 1: Only Debug Mode can write the {\tt tdata} registers at the
+* selected \Rtselect. Writes from other modes are ignored.
*
-* Implementations may use this bit to aid debugging, for example by
-* preventing the Debug Module from being power gated while debugging
-* is active.
+* This bit is only writable from Debug Mode.
*/
-#define DMI_DMCONTROL_DMACTIVE_OFFSET 9
-#define DMI_DMCONTROL_DMACTIVE_LENGTH 1
-#define DMI_DMCONTROL_DMACTIVE (0x1 << DMI_DMCONTROL_DMACTIVE_OFFSET)
+#define CSR_TDATA1_DMODE_OFFSET (XLEN-5)
+#define CSR_TDATA1_DMODE_LENGTH 1
+#define CSR_TDATA1_DMODE (0x1ULL << CSR_TDATA1_DMODE_OFFSET)
/*
-* This bit controls the reset signal from the DM to the rest of the
-* system. To perform a reset the debugger writes 1, and then writes 0
-* to deassert the reset.
+* Trigger-specific data.
*/
-#define DMI_DMCONTROL_RESET_OFFSET 8
-#define DMI_DMCONTROL_RESET_LENGTH 1
-#define DMI_DMCONTROL_RESET (0x1 << DMI_DMCONTROL_RESET_OFFSET)
+#define CSR_TDATA1_DATA_OFFSET 0
+#define CSR_TDATA1_DATA_LENGTH (XLEN - 5)
+#define CSR_TDATA1_DATA (((1L<<XLEN - 5)-1) << CSR_TDATA1_DATA_OFFSET)
+#define CSR_TDATA2 0x7a2
+#define CSR_TDATA2_DATA_OFFSET 0
+#define CSR_TDATA2_DATA_LENGTH XLEN
+#define CSR_TDATA2_DATA (((1L<<XLEN)-1) << CSR_TDATA2_DATA_OFFSET)
+#define CSR_TDATA3 0x7a3
+#define CSR_TDATA3_DATA_OFFSET 0
+#define CSR_TDATA3_DATA_LENGTH XLEN
+#define CSR_TDATA3_DATA (((1L<<XLEN)-1) << CSR_TDATA3_DATA_OFFSET)
+#define CSR_MCONTROL 0x7a1
+#define CSR_MCONTROL_TYPE_OFFSET (XLEN-4)
+#define CSR_MCONTROL_TYPE_LENGTH 4
+#define CSR_MCONTROL_TYPE (0xfULL << CSR_MCONTROL_TYPE_OFFSET)
+#define CSR_MCONTROL_DMODE_OFFSET (XLEN-5)
+#define CSR_MCONTROL_DMODE_LENGTH 1
+#define CSR_MCONTROL_DMODE (0x1ULL << CSR_MCONTROL_DMODE_OFFSET)
/*
-* 0 when authentication is required before using the DM. 1 when the
-* authentication check has passed. On components that don't implement
-* authentication, this bit must be preset as 1.
+* Specifies the largest naturally aligned powers-of-two (NAPOT) range
+* supported by the hardware. The value is the logarithm base 2 of the
+* number of bytes in that range. A value of 0 indicates that only
+* exact value matches are supported (one byte range). A value of 63
+* corresponds to the maximum NAPOT range, which is $2^{63}$ bytes in
+* size.
*/
-#define DMI_DMCONTROL_AUTHENTICATED_OFFSET 7
-#define DMI_DMCONTROL_AUTHENTICATED_LENGTH 1
-#define DMI_DMCONTROL_AUTHENTICATED (0x1 << DMI_DMCONTROL_AUTHENTICATED_OFFSET)
+#define CSR_MCONTROL_MASKMAX_OFFSET (XLEN-11)
+#define CSR_MCONTROL_MASKMAX_LENGTH 6
+#define CSR_MCONTROL_MASKMAX (0x3fULL << CSR_MCONTROL_MASKMAX_OFFSET)
/*
-* While 1, writes to \Rauthdatazero and \Rauthdataone may be ignored
-* or may result in authentication failing. Authentication mechanisms
-* that are slow (or intentionally delayed) must set this bit when
-* they're not ready to process another write.
+* 0: Perform a match on the virtual address.
+*
+* 1: Perform a match on the data value loaded/stored, or the
+* instruction executed.
*/
-#define DMI_DMCONTROL_AUTHBUSY_OFFSET 6
-#define DMI_DMCONTROL_AUTHBUSY_LENGTH 1
-#define DMI_DMCONTROL_AUTHBUSY (0x1 << DMI_DMCONTROL_AUTHBUSY_OFFSET)
+#define CSR_MCONTROL_SELECT_OFFSET 19
+#define CSR_MCONTROL_SELECT_LENGTH 1
+#define CSR_MCONTROL_SELECT (0x1ULL << CSR_MCONTROL_SELECT_OFFSET)
/*
-* Defines the kind of authentication required to use this DM.
+* 0: The action for this trigger will be taken just before the
+* instruction that triggered it is executed, but after all preceding
+* instructions are are committed.
*
-* 0: No authentication is required.
+* 1: The action for this trigger will be taken after the instruction
+* that triggered it is executed. It should be taken before the next
+* instruction is executed, but it is better to implement triggers and
+* not implement that suggestion than to not implement them at all.
*
-* 1: A password is required.
+* Most hardware will only implement one timing or the other, possibly
+* dependent on \Fselect, \Fexecute, \Fload, and \Fstore. This bit
+* primarily exists for the hardware to communicate to the debugger
+* what will happen. Hardware may implement the bit fully writable, in
+* which case the debugger has a little more control.
*
-* 2: A challenge-response mechanism is in place.
+* Data load triggers with \Ftiming of 0 will result in the same load
+* happening again when the debugger lets the core run. For data load
+* triggers, debuggers must first attempt to set the breakpoint with
+* \Ftiming of 1.
*
-* 3: Reserved for future use.
+* A chain of triggers that don't all have the same \Ftiming value
+* will never fire (unless consecutive instructions match the
+* appropriate triggers).
*/
-#define DMI_DMCONTROL_AUTHTYPE_OFFSET 4
-#define DMI_DMCONTROL_AUTHTYPE_LENGTH 2
-#define DMI_DMCONTROL_AUTHTYPE (0x3 << DMI_DMCONTROL_AUTHTYPE_OFFSET)
+#define CSR_MCONTROL_TIMING_OFFSET 18
+#define CSR_MCONTROL_TIMING_LENGTH 1
+#define CSR_MCONTROL_TIMING (0x1ULL << CSR_MCONTROL_TIMING_OFFSET)
/*
-* 0: There is no Debug Module present.
+* Determines what happens when this trigger matches.
*
-* 1: There is a Debug Module and it conforms to version 0.12 of this
-* specification.
+* 0: Raise a breakpoint exception. (Used when software wants to use
+* the trigger module without an external debugger attached.)
+*
+* 1: Enter Debug Mode. (Only supported when \Fdmode is 1.)
+*
+* 2: Start tracing.
+*
+* 3: Stop tracing.
+*
+* 4: Emit trace data for this match. If it is a data access match,
+* emit appropriate Load/Store Address/Data. If it is an instruction
+* execution, emit its PC.
*
* Other values are reserved for future use.
*/
-#define DMI_DMCONTROL_VERSION_OFFSET 0
-#define DMI_DMCONTROL_VERSION_LENGTH 4
-#define DMI_DMCONTROL_VERSION (0xf << DMI_DMCONTROL_VERSION_OFFSET)
-#define DMI_HARTINFO 0x01
+#define CSR_MCONTROL_ACTION_OFFSET 12
+#define CSR_MCONTROL_ACTION_LENGTH 6
+#define CSR_MCONTROL_ACTION (0x3fULL << CSR_MCONTROL_ACTION_OFFSET)
/*
-* 0: The {\tt data} registers are shadowed in the hart by CSR
-* registers. Each CSR register is XLEN bits in size, and corresponds
-* to a single argument, per Table~\ref{tab:datareg}.
+* 0: When this trigger matches, the configured action is taken.
*
-* 1: The {\tt data} registers are shadowed in the hart's memory map.
-* Each register takes up 4 bytes in the memory map.
+* 1: While this trigger does not match, it prevents the trigger with
+* the next index from matching.
*/
-#define DMI_HARTINFO_DATAACCESS_OFFSET 16
-#define DMI_HARTINFO_DATAACCESS_LENGTH 1
-#define DMI_HARTINFO_DATAACCESS (0x1 << DMI_HARTINFO_DATAACCESS_OFFSET)
+#define CSR_MCONTROL_CHAIN_OFFSET 11
+#define CSR_MCONTROL_CHAIN_LENGTH 1
+#define CSR_MCONTROL_CHAIN (0x1ULL << CSR_MCONTROL_CHAIN_OFFSET)
/*
-* If \Fdataaccess is 0: Number of CSR registers dedicated to
-* shadowing the {\tt data} registers.
+* 0: Matches when the value equals \Rtdatatwo.
*
-* If \Fdataaccess is 1: Number of 32-bit words in the memory map
-* dedicated to shadowing the {\tt data} registers.
+* 1: Matches when the top M bits of the value match the top M bits of
+* \Rtdatatwo. M is XLEN-1 minus the index of the least-significant
+* bit containing 0 in \Rtdatatwo.
+*
+* 2: Matches when the value is greater than (unsigned) or equal to
+* \Rtdatatwo.
+*
+* 3: Matches when the value is less than (unsigned) \Rtdatatwo.
+*
+* 4: Matches when the lower half of the value equals the lower half
+* of \Rtdatatwo after the lower half of the value is ANDed with the
+* upper half of \Rtdatatwo.
+*
+* 5: Matches when the upper half of the value equals the lower half
+* of \Rtdatatwo after the upper half of the value is ANDed with the
+* upper half of \Rtdatatwo.
+*
+* Other values are reserved for future use.
*/
-#define DMI_HARTINFO_DATASIZE_OFFSET 12
-#define DMI_HARTINFO_DATASIZE_LENGTH 4
-#define DMI_HARTINFO_DATASIZE (0xf << DMI_HARTINFO_DATASIZE_OFFSET)
+#define CSR_MCONTROL_MATCH_OFFSET 7
+#define CSR_MCONTROL_MATCH_LENGTH 4
+#define CSR_MCONTROL_MATCH (0xfULL << CSR_MCONTROL_MATCH_OFFSET)
/*
-* If \Fdataaccess is 0: The number of the first CSR dedicated to
-* shadowing the {\tt data} registers.
-*
-* If \Fdataaccess is 1: Signed address of RAM where the {\tt data}
-* registers are shadowed.
+* When set, enable this trigger in M mode.
*/
-#define DMI_HARTINFO_DATAADDR_OFFSET 0
-#define DMI_HARTINFO_DATAADDR_LENGTH 12
-#define DMI_HARTINFO_DATAADDR (0xfff << DMI_HARTINFO_DATAADDR_OFFSET)
-#define DMI_HALTSUM 0x02
-#define DMI_HALTSUM_HALT1023_992_OFFSET 31
-#define DMI_HALTSUM_HALT1023_992_LENGTH 1
-#define DMI_HALTSUM_HALT1023_992 (0x1 << DMI_HALTSUM_HALT1023_992_OFFSET)
+#define CSR_MCONTROL_M_OFFSET 6
+#define CSR_MCONTROL_M_LENGTH 1
+#define CSR_MCONTROL_M (0x1ULL << CSR_MCONTROL_M_OFFSET)
+/*
+* When set, enable this trigger in S mode.
+ */
+#define CSR_MCONTROL_S_OFFSET 4
+#define CSR_MCONTROL_S_LENGTH 1
+#define CSR_MCONTROL_S (0x1ULL << CSR_MCONTROL_S_OFFSET)
+/*
+* When set, enable this trigger in U mode.
+ */
+#define CSR_MCONTROL_U_OFFSET 3
+#define CSR_MCONTROL_U_LENGTH 1
+#define CSR_MCONTROL_U (0x1ULL << CSR_MCONTROL_U_OFFSET)
+/*
+* When set, the trigger fires on the virtual address or opcode of an
+* instruction that is executed.
+ */
+#define CSR_MCONTROL_EXECUTE_OFFSET 2
+#define CSR_MCONTROL_EXECUTE_LENGTH 1
+#define CSR_MCONTROL_EXECUTE (0x1ULL << CSR_MCONTROL_EXECUTE_OFFSET)
+/*
+* When set, the trigger fires on the virtual address or data of a store.
+ */
+#define CSR_MCONTROL_STORE_OFFSET 1
+#define CSR_MCONTROL_STORE_LENGTH 1
+#define CSR_MCONTROL_STORE (0x1ULL << CSR_MCONTROL_STORE_OFFSET)
+/*
+* When set, the trigger fires on the virtual address or data of a load.
+ */
+#define CSR_MCONTROL_LOAD_OFFSET 0
+#define CSR_MCONTROL_LOAD_LENGTH 1
+#define CSR_MCONTROL_LOAD (0x1ULL << CSR_MCONTROL_LOAD_OFFSET)
+#define CSR_ICOUNT 0x7a1
+#define CSR_ICOUNT_TYPE_OFFSET (XLEN-4)
+#define CSR_ICOUNT_TYPE_LENGTH 4
+#define CSR_ICOUNT_TYPE (0xfULL << CSR_ICOUNT_TYPE_OFFSET)
+#define CSR_ICOUNT_DMODE_OFFSET (XLEN-5)
+#define CSR_ICOUNT_DMODE_LENGTH 1
+#define CSR_ICOUNT_DMODE (0x1ULL << CSR_ICOUNT_DMODE_OFFSET)
+/*
+* When count is decremented to 0, the trigger fires. Instead of
+* changing \Fcount from 1 to 0, it is also acceptable for hardware to
+* clear \Fm, \Fs, and \Fu. This allows \Fcount to be hard-wired
+* to 1 if this register just exists for single step.
+ */
+#define CSR_ICOUNT_COUNT_OFFSET 10
+#define CSR_ICOUNT_COUNT_LENGTH 14
+#define CSR_ICOUNT_COUNT (0x3fffULL << CSR_ICOUNT_COUNT_OFFSET)
+/*
+* When set, every instruction completed or exception taken in M mode decrements \Fcount
+* by 1.
+ */
+#define CSR_ICOUNT_M_OFFSET 9
+#define CSR_ICOUNT_M_LENGTH 1
+#define CSR_ICOUNT_M (0x1ULL << CSR_ICOUNT_M_OFFSET)
+/*
+* When set, every instruction completed or exception taken in S mode decrements \Fcount
+* by 1.
+ */
+#define CSR_ICOUNT_S_OFFSET 7
+#define CSR_ICOUNT_S_LENGTH 1
+#define CSR_ICOUNT_S (0x1ULL << CSR_ICOUNT_S_OFFSET)
+/*
+* When set, every instruction completed or exception taken in U mode decrements \Fcount
+* by 1.
+ */
+#define CSR_ICOUNT_U_OFFSET 6
+#define CSR_ICOUNT_U_LENGTH 1
+#define CSR_ICOUNT_U (0x1ULL << CSR_ICOUNT_U_OFFSET)
+/*
+* Determines what happens when this trigger matches.
+*
+* 0: Raise a breakpoint exception. (Used when software wants to use the
+* trigger module without an external debugger attached.)
+*
+* 1: Enter Debug Mode. (Only supported when \Fdmode is 1.)
+*
+* 2: Start tracing.
+*
+* 3: Stop tracing.
+*
+* 4: Emit trace data for this match. If it is a data access match,
+* emit appropriate Load/Store Address/Data. If it is an instruction
+* execution, emit its PC.
+*
+* Other values are reserved for future use.
+ */
+#define CSR_ICOUNT_ACTION_OFFSET 0
+#define CSR_ICOUNT_ACTION_LENGTH 6
+#define CSR_ICOUNT_ACTION (0x3fULL << CSR_ICOUNT_ACTION_OFFSET)
+#define DMI_DMSTATUS 0x11
+/*
+* If 1, then there is an implicit {\tt ebreak} instruction at the
+* non-existent word immediately after the Program Buffer. This saves
+* the debugger from having to write the {\tt ebreak} itself, and
+* allows the Program Buffer to be one word smaller.
+*
+* This must be 1 when \Fprogbufsize is 1.
+ */
+#define DMI_DMSTATUS_IMPEBREAK_OFFSET 22
+#define DMI_DMSTATUS_IMPEBREAK_LENGTH 1
+#define DMI_DMSTATUS_IMPEBREAK (0x1U << DMI_DMSTATUS_IMPEBREAK_OFFSET)
+/*
+* This field is 1 when all currently selected harts have been reset but the reset has not been acknowledged.
+ */
+#define DMI_DMSTATUS_ALLHAVERESET_OFFSET 19
+#define DMI_DMSTATUS_ALLHAVERESET_LENGTH 1
+#define DMI_DMSTATUS_ALLHAVERESET (0x1U << DMI_DMSTATUS_ALLHAVERESET_OFFSET)
+/*
+* This field is 1 when any currently selected hart has been reset but the reset has not been acknowledged.
+ */
+#define DMI_DMSTATUS_ANYHAVERESET_OFFSET 18
+#define DMI_DMSTATUS_ANYHAVERESET_LENGTH 1
+#define DMI_DMSTATUS_ANYHAVERESET (0x1U << DMI_DMSTATUS_ANYHAVERESET_OFFSET)
+/*
+* This field is 1 when all currently selected harts have acknowledged
+* the previous resume request.
+ */
+#define DMI_DMSTATUS_ALLRESUMEACK_OFFSET 17
+#define DMI_DMSTATUS_ALLRESUMEACK_LENGTH 1
+#define DMI_DMSTATUS_ALLRESUMEACK (0x1U << DMI_DMSTATUS_ALLRESUMEACK_OFFSET)
+/*
+* This field is 1 when any currently selected hart has acknowledged
+* the previous resume request.
+ */
+#define DMI_DMSTATUS_ANYRESUMEACK_OFFSET 16
+#define DMI_DMSTATUS_ANYRESUMEACK_LENGTH 1
+#define DMI_DMSTATUS_ANYRESUMEACK (0x1U << DMI_DMSTATUS_ANYRESUMEACK_OFFSET)
+/*
+* This field is 1 when all currently selected harts do not exist in this system.
+ */
+#define DMI_DMSTATUS_ALLNONEXISTENT_OFFSET 15
+#define DMI_DMSTATUS_ALLNONEXISTENT_LENGTH 1
+#define DMI_DMSTATUS_ALLNONEXISTENT (0x1U << DMI_DMSTATUS_ALLNONEXISTENT_OFFSET)
+/*
+* This field is 1 when any currently selected hart does not exist in this system.
+ */
+#define DMI_DMSTATUS_ANYNONEXISTENT_OFFSET 14
+#define DMI_DMSTATUS_ANYNONEXISTENT_LENGTH 1
+#define DMI_DMSTATUS_ANYNONEXISTENT (0x1U << DMI_DMSTATUS_ANYNONEXISTENT_OFFSET)
+/*
+* This field is 1 when all currently selected harts are unavailable.
+ */
+#define DMI_DMSTATUS_ALLUNAVAIL_OFFSET 13
+#define DMI_DMSTATUS_ALLUNAVAIL_LENGTH 1
+#define DMI_DMSTATUS_ALLUNAVAIL (0x1U << DMI_DMSTATUS_ALLUNAVAIL_OFFSET)
+/*
+* This field is 1 when any currently selected hart is unavailable.
+ */
+#define DMI_DMSTATUS_ANYUNAVAIL_OFFSET 12
+#define DMI_DMSTATUS_ANYUNAVAIL_LENGTH 1
+#define DMI_DMSTATUS_ANYUNAVAIL (0x1U << DMI_DMSTATUS_ANYUNAVAIL_OFFSET)
+/*
+* This field is 1 when all currently selected harts are running.
+ */
+#define DMI_DMSTATUS_ALLRUNNING_OFFSET 11
+#define DMI_DMSTATUS_ALLRUNNING_LENGTH 1
+#define DMI_DMSTATUS_ALLRUNNING (0x1U << DMI_DMSTATUS_ALLRUNNING_OFFSET)
+/*
+* This field is 1 when any currently selected hart is running.
+ */
+#define DMI_DMSTATUS_ANYRUNNING_OFFSET 10
+#define DMI_DMSTATUS_ANYRUNNING_LENGTH 1
+#define DMI_DMSTATUS_ANYRUNNING (0x1U << DMI_DMSTATUS_ANYRUNNING_OFFSET)
+/*
+* This field is 1 when all currently selected harts are halted.
+ */
+#define DMI_DMSTATUS_ALLHALTED_OFFSET 9
+#define DMI_DMSTATUS_ALLHALTED_LENGTH 1
+#define DMI_DMSTATUS_ALLHALTED (0x1U << DMI_DMSTATUS_ALLHALTED_OFFSET)
+/*
+* This field is 1 when any currently selected hart is halted.
+ */
+#define DMI_DMSTATUS_ANYHALTED_OFFSET 8
+#define DMI_DMSTATUS_ANYHALTED_LENGTH 1
+#define DMI_DMSTATUS_ANYHALTED (0x1U << DMI_DMSTATUS_ANYHALTED_OFFSET)
+/*
+* 0 when authentication is required before using the DM. 1 when the
+* authentication check has passed. On components that don't implement
+* authentication, this bit must be preset as 1.
+ */
+#define DMI_DMSTATUS_AUTHENTICATED_OFFSET 7
+#define DMI_DMSTATUS_AUTHENTICATED_LENGTH 1
+#define DMI_DMSTATUS_AUTHENTICATED (0x1U << DMI_DMSTATUS_AUTHENTICATED_OFFSET)
+/*
+* 0: The authentication module is ready to process the next
+* read/write to \Rauthdata.
+*
+* 1: The authentication module is busy. Accessing \Rauthdata results
+* in unspecified behavior.
+*
+* \Fauthbusy only becomes set in immediate response to an access to
+* \Rauthdata.
+ */
+#define DMI_DMSTATUS_AUTHBUSY_OFFSET 6
+#define DMI_DMSTATUS_AUTHBUSY_LENGTH 1
+#define DMI_DMSTATUS_AUTHBUSY (0x1U << DMI_DMSTATUS_AUTHBUSY_OFFSET)
+/*
+* 0: \Rdevtreeaddrzero--\Rdevtreeaddrthree hold information which
+* is not relevant to the Device Tree.
+*
+* 1: \Rdevtreeaddrzero--\Rdevtreeaddrthree registers hold the address of the
+* Device Tree.
+ */
+#define DMI_DMSTATUS_DEVTREEVALID_OFFSET 4
+#define DMI_DMSTATUS_DEVTREEVALID_LENGTH 1
+#define DMI_DMSTATUS_DEVTREEVALID (0x1U << DMI_DMSTATUS_DEVTREEVALID_OFFSET)
+/*
+* 0: There is no Debug Module present.
+*
+* 1: There is a Debug Module and it conforms to version 0.11 of this
+* specification.
+*
+* 2: There is a Debug Module and it conforms to version 0.13 of this
+* specification.
+*
+* 15: There is a Debug Module but it does not conform to any
+* available version of this spec.
+ */
+#define DMI_DMSTATUS_VERSION_OFFSET 0
+#define DMI_DMSTATUS_VERSION_LENGTH 4
+#define DMI_DMSTATUS_VERSION (0xfU << DMI_DMSTATUS_VERSION_OFFSET)
+#define DMI_DMCONTROL 0x10
+/*
+* Writes the halt request bit for all currently selected harts.
+* When set to 1, each selected hart will halt if it is not currently
+* halted.
+*
+* Writing 1 or 0 has no effect on a hart which is already halted, but
+* the bit must be cleared to 0 before the hart is resumed.
+*
+* Writes apply to the new value of \Fhartsel and \Fhasel.
+ */
+#define DMI_DMCONTROL_HALTREQ_OFFSET 31
+#define DMI_DMCONTROL_HALTREQ_LENGTH 1
+#define DMI_DMCONTROL_HALTREQ (0x1ULL << DMI_DMCONTROL_HALTREQ_OFFSET)
+/*
+* Writes the resume request bit for all currently selected harts.
+* When set to 1, each selected hart will resume if it is currently
+* halted.
+*
+* The resume request bit is ignored while the halt request bit is
+* set.
+*
+* Writes apply to the new value of \Fhartsel and \Fhasel.
+ */
+#define DMI_DMCONTROL_RESUMEREQ_OFFSET 30
+#define DMI_DMCONTROL_RESUMEREQ_LENGTH 1
+#define DMI_DMCONTROL_RESUMEREQ (0x1ULL << DMI_DMCONTROL_RESUMEREQ_OFFSET)
+/*
+* This optional field writes the reset bit for all the currently
+* selected harts. To perform a reset the debugger writes 1, and then
+* writes 0 to deassert the reset signal.
+*
+* If this feature is not implemented, the bit always stays 0, so
+* after writing 1 the debugger can read the register back to see if
+* the feature is supported.
+*
+* Writes apply to the new value of \Fhartsel and \Fhasel.
+ */
+#define DMI_DMCONTROL_HARTRESET_OFFSET 29
+#define DMI_DMCONTROL_HARTRESET_LENGTH 1
+#define DMI_DMCONTROL_HARTRESET (0x1ULL << DMI_DMCONTROL_HARTRESET_OFFSET)
+/*
+* Writing 1 to this bit clears the {\tt havereset} bits for
+* any selected harts.
+*
+* Writes apply to the new value of \Fhartsel and \Fhasel.
+ */
+#define DMI_DMCONTROL_ACKHAVERESET_OFFSET 28
+#define DMI_DMCONTROL_ACKHAVERESET_LENGTH 1
+#define DMI_DMCONTROL_ACKHAVERESET (0x1ULL << DMI_DMCONTROL_ACKHAVERESET_OFFSET)
+/*
+* Selects the definition of currently selected harts.
+*
+* 0: There is a single currently selected hart, that selected by \Fhartsel.
+*
+* 1: There may be multiple currently selected harts -- that selected by \Fhartsel,
+* plus those selected by the hart array mask register.
+*
+* An implementation which does not implement the hart array mask register
+* should tie this field to 0. A debugger which wishes to use the hart array
+* mask register feature should set this bit and read back to see if the functionality
+* is supported.
+ */
+#define DMI_DMCONTROL_HASEL_OFFSET 26
+#define DMI_DMCONTROL_HASEL_LENGTH 1
+#define DMI_DMCONTROL_HASEL (0x1ULL << DMI_DMCONTROL_HASEL_OFFSET)
+/*
+* The DM-specific index of the hart to select. This hart is always part of the
+* currently selected harts.
+ */
+#define DMI_DMCONTROL_HARTSEL_OFFSET 16
+#define DMI_DMCONTROL_HARTSEL_LENGTH HARTSELLEN
+#define DMI_DMCONTROL_HARTSEL (((1L<<HARTSELLEN)-1) << DMI_DMCONTROL_HARTSEL_OFFSET)
+/*
+* This bit controls the reset signal from the DM to the rest of the
+* system. The signal should reset every part of the system, including
+* every hart, except for the DM and any logic required to access the
+* DM.
+* To perform a system reset the debugger writes 1,
+* and then writes 0
+* to deassert the reset.
+ */
+#define DMI_DMCONTROL_NDMRESET_OFFSET 1
+#define DMI_DMCONTROL_NDMRESET_LENGTH 1
+#define DMI_DMCONTROL_NDMRESET (0x1ULL << DMI_DMCONTROL_NDMRESET_OFFSET)
+/*
+* This bit serves as a reset signal for the Debug Module itself.
+*
+* 0: The module's state, including authentication mechanism,
+* takes its reset values (the \Fdmactive bit is the only bit which can
+* be written to something other than its reset value).
+*
+* 1: The module functions normally.
+*
+* No other mechanism should exist that may result in resetting the
+* Debug Module after power up, including the platform's system reset
+* or Debug Transport reset signals.
+*
+* A debugger may pulse this bit low to get the debug module into a
+* known state.
+*
+* Implementations may use this bit to aid debugging, for example by
+* preventing the Debug Module from being power gated while debugging
+* is active.
+ */
+#define DMI_DMCONTROL_DMACTIVE_OFFSET 0
+#define DMI_DMCONTROL_DMACTIVE_LENGTH 1
+#define DMI_DMCONTROL_DMACTIVE (0x1ULL << DMI_DMCONTROL_DMACTIVE_OFFSET)
+#define DMI_HARTINFO 0x12
+/*
+* Number of {\tt dscratch} registers available for the debugger
+* to use during program buffer execution, starting from \Rdscratchzero.
+* The debugger can make no assumptions about the contents of these
+* registers between commands.
+ */
+#define DMI_HARTINFO_NSCRATCH_OFFSET 20
+#define DMI_HARTINFO_NSCRATCH_LENGTH 4
+#define DMI_HARTINFO_NSCRATCH (0xfU << DMI_HARTINFO_NSCRATCH_OFFSET)
+/*
+* 0: The {\tt data} registers are shadowed in the hart by CSR
+* registers. Each CSR register is XLEN bits in size, and corresponds
+* to a single argument, per Table~\ref{tab:datareg}.
+*
+* 1: The {\tt data} registers are shadowed in the hart's memory map.
+* Each register takes up 4 bytes in the memory map.
+ */
+#define DMI_HARTINFO_DATAACCESS_OFFSET 16
+#define DMI_HARTINFO_DATAACCESS_LENGTH 1
+#define DMI_HARTINFO_DATAACCESS (0x1U << DMI_HARTINFO_DATAACCESS_OFFSET)
+/*
+* If \Fdataaccess is 0: Number of CSR registers dedicated to
+* shadowing the {\tt data} registers.
+*
+* If \Fdataaccess is 1: Number of 32-bit words in the memory map
+* dedicated to shadowing the {\tt data} registers.
+*
+* Since there are at most 12 {\tt data} registers, the value in this
+* register must be 12 or smaller.
+ */
+#define DMI_HARTINFO_DATASIZE_OFFSET 12
+#define DMI_HARTINFO_DATASIZE_LENGTH 4
+#define DMI_HARTINFO_DATASIZE (0xfU << DMI_HARTINFO_DATASIZE_OFFSET)
+/*
+* If \Fdataaccess is 0: The number of the first CSR dedicated to
+* shadowing the {\tt data} registers.
+*
+* If \Fdataaccess is 1: Signed address of RAM where the {\tt data}
+* registers are shadowed, to be used to access relative to \Rzero.
+ */
+#define DMI_HARTINFO_DATAADDR_OFFSET 0
+#define DMI_HARTINFO_DATAADDR_LENGTH 12
+#define DMI_HARTINFO_DATAADDR (0xfffU << DMI_HARTINFO_DATAADDR_OFFSET)
+#define DMI_HALTSUM 0x13
+#define DMI_HALTSUM_HALT1023_992_OFFSET 31
+#define DMI_HALTSUM_HALT1023_992_LENGTH 1
+#define DMI_HALTSUM_HALT1023_992 (0x1U << DMI_HALTSUM_HALT1023_992_OFFSET)
#define DMI_HALTSUM_HALT991_960_OFFSET 30
#define DMI_HALTSUM_HALT991_960_LENGTH 1
-#define DMI_HALTSUM_HALT991_960 (0x1 << DMI_HALTSUM_HALT991_960_OFFSET)
+#define DMI_HALTSUM_HALT991_960 (0x1U << DMI_HALTSUM_HALT991_960_OFFSET)
#define DMI_HALTSUM_HALT959_928_OFFSET 29
#define DMI_HALTSUM_HALT959_928_LENGTH 1
-#define DMI_HALTSUM_HALT959_928 (0x1 << DMI_HALTSUM_HALT959_928_OFFSET)
+#define DMI_HALTSUM_HALT959_928 (0x1U << DMI_HALTSUM_HALT959_928_OFFSET)
#define DMI_HALTSUM_HALT927_896_OFFSET 28
#define DMI_HALTSUM_HALT927_896_LENGTH 1
-#define DMI_HALTSUM_HALT927_896 (0x1 << DMI_HALTSUM_HALT927_896_OFFSET)
+#define DMI_HALTSUM_HALT927_896 (0x1U << DMI_HALTSUM_HALT927_896_OFFSET)
#define DMI_HALTSUM_HALT895_864_OFFSET 27
#define DMI_HALTSUM_HALT895_864_LENGTH 1
-#define DMI_HALTSUM_HALT895_864 (0x1 << DMI_HALTSUM_HALT895_864_OFFSET)
+#define DMI_HALTSUM_HALT895_864 (0x1U << DMI_HALTSUM_HALT895_864_OFFSET)
#define DMI_HALTSUM_HALT863_832_OFFSET 26
#define DMI_HALTSUM_HALT863_832_LENGTH 1
-#define DMI_HALTSUM_HALT863_832 (0x1 << DMI_HALTSUM_HALT863_832_OFFSET)
+#define DMI_HALTSUM_HALT863_832 (0x1U << DMI_HALTSUM_HALT863_832_OFFSET)
#define DMI_HALTSUM_HALT831_800_OFFSET 25
#define DMI_HALTSUM_HALT831_800_LENGTH 1
-#define DMI_HALTSUM_HALT831_800 (0x1 << DMI_HALTSUM_HALT831_800_OFFSET)
+#define DMI_HALTSUM_HALT831_800 (0x1U << DMI_HALTSUM_HALT831_800_OFFSET)
#define DMI_HALTSUM_HALT799_768_OFFSET 24
#define DMI_HALTSUM_HALT799_768_LENGTH 1
-#define DMI_HALTSUM_HALT799_768 (0x1 << DMI_HALTSUM_HALT799_768_OFFSET)
+#define DMI_HALTSUM_HALT799_768 (0x1U << DMI_HALTSUM_HALT799_768_OFFSET)
#define DMI_HALTSUM_HALT767_736_OFFSET 23
#define DMI_HALTSUM_HALT767_736_LENGTH 1
-#define DMI_HALTSUM_HALT767_736 (0x1 << DMI_HALTSUM_HALT767_736_OFFSET)
+#define DMI_HALTSUM_HALT767_736 (0x1U << DMI_HALTSUM_HALT767_736_OFFSET)
#define DMI_HALTSUM_HALT735_704_OFFSET 22
#define DMI_HALTSUM_HALT735_704_LENGTH 1
-#define DMI_HALTSUM_HALT735_704 (0x1 << DMI_HALTSUM_HALT735_704_OFFSET)
+#define DMI_HALTSUM_HALT735_704 (0x1U << DMI_HALTSUM_HALT735_704_OFFSET)
#define DMI_HALTSUM_HALT703_672_OFFSET 21
#define DMI_HALTSUM_HALT703_672_LENGTH 1
-#define DMI_HALTSUM_HALT703_672 (0x1 << DMI_HALTSUM_HALT703_672_OFFSET)
+#define DMI_HALTSUM_HALT703_672 (0x1U << DMI_HALTSUM_HALT703_672_OFFSET)
#define DMI_HALTSUM_HALT671_640_OFFSET 20
#define DMI_HALTSUM_HALT671_640_LENGTH 1
-#define DMI_HALTSUM_HALT671_640 (0x1 << DMI_HALTSUM_HALT671_640_OFFSET)
+#define DMI_HALTSUM_HALT671_640 (0x1U << DMI_HALTSUM_HALT671_640_OFFSET)
#define DMI_HALTSUM_HALT639_608_OFFSET 19
#define DMI_HALTSUM_HALT639_608_LENGTH 1
-#define DMI_HALTSUM_HALT639_608 (0x1 << DMI_HALTSUM_HALT639_608_OFFSET)
+#define DMI_HALTSUM_HALT639_608 (0x1U << DMI_HALTSUM_HALT639_608_OFFSET)
#define DMI_HALTSUM_HALT607_576_OFFSET 18
#define DMI_HALTSUM_HALT607_576_LENGTH 1
-#define DMI_HALTSUM_HALT607_576 (0x1 << DMI_HALTSUM_HALT607_576_OFFSET)
+#define DMI_HALTSUM_HALT607_576 (0x1U << DMI_HALTSUM_HALT607_576_OFFSET)
#define DMI_HALTSUM_HALT575_544_OFFSET 17
#define DMI_HALTSUM_HALT575_544_LENGTH 1
-#define DMI_HALTSUM_HALT575_544 (0x1 << DMI_HALTSUM_HALT575_544_OFFSET)
+#define DMI_HALTSUM_HALT575_544 (0x1U << DMI_HALTSUM_HALT575_544_OFFSET)
#define DMI_HALTSUM_HALT543_512_OFFSET 16
#define DMI_HALTSUM_HALT543_512_LENGTH 1
-#define DMI_HALTSUM_HALT543_512 (0x1 << DMI_HALTSUM_HALT543_512_OFFSET)
+#define DMI_HALTSUM_HALT543_512 (0x1U << DMI_HALTSUM_HALT543_512_OFFSET)
#define DMI_HALTSUM_HALT511_480_OFFSET 15
#define DMI_HALTSUM_HALT511_480_LENGTH 1
-#define DMI_HALTSUM_HALT511_480 (0x1 << DMI_HALTSUM_HALT511_480_OFFSET)
+#define DMI_HALTSUM_HALT511_480 (0x1U << DMI_HALTSUM_HALT511_480_OFFSET)
#define DMI_HALTSUM_HALT479_448_OFFSET 14
#define DMI_HALTSUM_HALT479_448_LENGTH 1
-#define DMI_HALTSUM_HALT479_448 (0x1 << DMI_HALTSUM_HALT479_448_OFFSET)
+#define DMI_HALTSUM_HALT479_448 (0x1U << DMI_HALTSUM_HALT479_448_OFFSET)
#define DMI_HALTSUM_HALT447_416_OFFSET 13
#define DMI_HALTSUM_HALT447_416_LENGTH 1
-#define DMI_HALTSUM_HALT447_416 (0x1 << DMI_HALTSUM_HALT447_416_OFFSET)
+#define DMI_HALTSUM_HALT447_416 (0x1U << DMI_HALTSUM_HALT447_416_OFFSET)
#define DMI_HALTSUM_HALT415_384_OFFSET 12
#define DMI_HALTSUM_HALT415_384_LENGTH 1
-#define DMI_HALTSUM_HALT415_384 (0x1 << DMI_HALTSUM_HALT415_384_OFFSET)
+#define DMI_HALTSUM_HALT415_384 (0x1U << DMI_HALTSUM_HALT415_384_OFFSET)
#define DMI_HALTSUM_HALT383_352_OFFSET 11
#define DMI_HALTSUM_HALT383_352_LENGTH 1
-#define DMI_HALTSUM_HALT383_352 (0x1 << DMI_HALTSUM_HALT383_352_OFFSET)
+#define DMI_HALTSUM_HALT383_352 (0x1U << DMI_HALTSUM_HALT383_352_OFFSET)
#define DMI_HALTSUM_HALT351_320_OFFSET 10
#define DMI_HALTSUM_HALT351_320_LENGTH 1
-#define DMI_HALTSUM_HALT351_320 (0x1 << DMI_HALTSUM_HALT351_320_OFFSET)
+#define DMI_HALTSUM_HALT351_320 (0x1U << DMI_HALTSUM_HALT351_320_OFFSET)
#define DMI_HALTSUM_HALT319_288_OFFSET 9
#define DMI_HALTSUM_HALT319_288_LENGTH 1
-#define DMI_HALTSUM_HALT319_288 (0x1 << DMI_HALTSUM_HALT319_288_OFFSET)
+#define DMI_HALTSUM_HALT319_288 (0x1U << DMI_HALTSUM_HALT319_288_OFFSET)
#define DMI_HALTSUM_HALT287_256_OFFSET 8
#define DMI_HALTSUM_HALT287_256_LENGTH 1
-#define DMI_HALTSUM_HALT287_256 (0x1 << DMI_HALTSUM_HALT287_256_OFFSET)
+#define DMI_HALTSUM_HALT287_256 (0x1U << DMI_HALTSUM_HALT287_256_OFFSET)
#define DMI_HALTSUM_HALT255_224_OFFSET 7
#define DMI_HALTSUM_HALT255_224_LENGTH 1
-#define DMI_HALTSUM_HALT255_224 (0x1 << DMI_HALTSUM_HALT255_224_OFFSET)
+#define DMI_HALTSUM_HALT255_224 (0x1U << DMI_HALTSUM_HALT255_224_OFFSET)
#define DMI_HALTSUM_HALT223_192_OFFSET 6
#define DMI_HALTSUM_HALT223_192_LENGTH 1
-#define DMI_HALTSUM_HALT223_192 (0x1 << DMI_HALTSUM_HALT223_192_OFFSET)
+#define DMI_HALTSUM_HALT223_192 (0x1U << DMI_HALTSUM_HALT223_192_OFFSET)
#define DMI_HALTSUM_HALT191_160_OFFSET 5
#define DMI_HALTSUM_HALT191_160_LENGTH 1
-#define DMI_HALTSUM_HALT191_160 (0x1 << DMI_HALTSUM_HALT191_160_OFFSET)
+#define DMI_HALTSUM_HALT191_160 (0x1U << DMI_HALTSUM_HALT191_160_OFFSET)
#define DMI_HALTSUM_HALT159_128_OFFSET 4
#define DMI_HALTSUM_HALT159_128_LENGTH 1
-#define DMI_HALTSUM_HALT159_128 (0x1 << DMI_HALTSUM_HALT159_128_OFFSET)
+#define DMI_HALTSUM_HALT159_128 (0x1U << DMI_HALTSUM_HALT159_128_OFFSET)
#define DMI_HALTSUM_HALT127_96_OFFSET 3
#define DMI_HALTSUM_HALT127_96_LENGTH 1
-#define DMI_HALTSUM_HALT127_96 (0x1 << DMI_HALTSUM_HALT127_96_OFFSET)
+#define DMI_HALTSUM_HALT127_96 (0x1U << DMI_HALTSUM_HALT127_96_OFFSET)
#define DMI_HALTSUM_HALT95_64_OFFSET 2
#define DMI_HALTSUM_HALT95_64_LENGTH 1
-#define DMI_HALTSUM_HALT95_64 (0x1 << DMI_HALTSUM_HALT95_64_OFFSET)
+#define DMI_HALTSUM_HALT95_64 (0x1U << DMI_HALTSUM_HALT95_64_OFFSET)
#define DMI_HALTSUM_HALT63_32_OFFSET 1
#define DMI_HALTSUM_HALT63_32_LENGTH 1
-#define DMI_HALTSUM_HALT63_32 (0x1 << DMI_HALTSUM_HALT63_32_OFFSET)
+#define DMI_HALTSUM_HALT63_32 (0x1U << DMI_HALTSUM_HALT63_32_OFFSET)
#define DMI_HALTSUM_HALT31_0_OFFSET 0
#define DMI_HALTSUM_HALT31_0_LENGTH 1
-#define DMI_HALTSUM_HALT31_0 (0x1 << DMI_HALTSUM_HALT31_0_OFFSET)
-#define DMI_SBCS 0x03
+#define DMI_HALTSUM_HALT31_0 (0x1U << DMI_HALTSUM_HALT31_0_OFFSET)
+#define DMI_HAWINDOWSEL 0x14
+#define DMI_HAWINDOWSEL_HAWINDOWSEL_OFFSET 0
+#define DMI_HAWINDOWSEL_HAWINDOWSEL_LENGTH 5
+#define DMI_HAWINDOWSEL_HAWINDOWSEL (0x1fU << DMI_HAWINDOWSEL_HAWINDOWSEL_OFFSET)
+#define DMI_HAWINDOW 0x15
+#define DMI_HAWINDOW_MASKDATA_OFFSET 0
+#define DMI_HAWINDOW_MASKDATA_LENGTH 32
+#define DMI_HAWINDOW_MASKDATA (0xffffffffU << DMI_HAWINDOW_MASKDATA_OFFSET)
+#define DMI_ABSTRACTCS 0x16
+/*
+* Size of the Program Buffer, in 32-bit words. Valid sizes are 0 - 16.
+ */
+#define DMI_ABSTRACTCS_PROGBUFSIZE_OFFSET 24
+#define DMI_ABSTRACTCS_PROGBUFSIZE_LENGTH 5
+#define DMI_ABSTRACTCS_PROGBUFSIZE (0x1fU << DMI_ABSTRACTCS_PROGBUFSIZE_OFFSET)
+/*
+* 1: An abstract command is currently being executed.
+*
+* This bit is set as soon as \Rcommand is written, and is
+* not cleared until that command has completed.
+ */
+#define DMI_ABSTRACTCS_BUSY_OFFSET 12
+#define DMI_ABSTRACTCS_BUSY_LENGTH 1
+#define DMI_ABSTRACTCS_BUSY (0x1U << DMI_ABSTRACTCS_BUSY_OFFSET)
+/*
+* Gets set if an abstract command fails. The bits in this field remain set until
+* they are cleared by writing 1 to them. No abstract command is
+* started until the value is reset to 0.
+*
+* 0 (none): No error.
+*
+* 1 (busy): An abstract command was executing while \Rcommand,
+* \Rabstractcs, \Rabstractauto was written, or when one
+* of the {\tt data} or {\tt progbuf} registers was read or written.
+*
+* 2 (not supported): The requested command is not supported. A
+* command that is not supported while the hart is running may be
+* supported when it is halted.
+*
+* 3 (exception): An exception occurred while executing the command
+* (eg. while executing the Program Buffer).
+*
+* 4 (halt/resume): An abstract command couldn't execute because the
+* hart wasn't in the expected state (running/halted).
+*
+* 7 (other): The command failed for another reason.
+ */
+#define DMI_ABSTRACTCS_CMDERR_OFFSET 8
+#define DMI_ABSTRACTCS_CMDERR_LENGTH 3
+#define DMI_ABSTRACTCS_CMDERR (0x7U << DMI_ABSTRACTCS_CMDERR_OFFSET)
+/*
+* Number of {\tt data} registers that are implemented as part of the
+* abstract command interface. Valid sizes are 0 - 12.
+ */
+#define DMI_ABSTRACTCS_DATACOUNT_OFFSET 0
+#define DMI_ABSTRACTCS_DATACOUNT_LENGTH 4
+#define DMI_ABSTRACTCS_DATACOUNT (0xfU << DMI_ABSTRACTCS_DATACOUNT_OFFSET)
+#define DMI_COMMAND 0x17
+/*
+* The type determines the overall functionality of this
+* abstract command.
+ */
+#define DMI_COMMAND_CMDTYPE_OFFSET 24
+#define DMI_COMMAND_CMDTYPE_LENGTH 8
+#define DMI_COMMAND_CMDTYPE (0xffU << DMI_COMMAND_CMDTYPE_OFFSET)
+/*
+* This field is interpreted in a command-specific manner,
+* described for each abstract command.
+ */
+#define DMI_COMMAND_CONTROL_OFFSET 0
+#define DMI_COMMAND_CONTROL_LENGTH 24
+#define DMI_COMMAND_CONTROL (0xffffffU << DMI_COMMAND_CONTROL_OFFSET)
+#define DMI_ABSTRACTAUTO 0x18
+/*
+* When a bit in this field is 1, read or write accesses to the corresponding {\tt progbuf} word
+* cause the command in \Rcommand to be executed again.
+ */
+#define DMI_ABSTRACTAUTO_AUTOEXECPROGBUF_OFFSET 16
+#define DMI_ABSTRACTAUTO_AUTOEXECPROGBUF_LENGTH 16
+#define DMI_ABSTRACTAUTO_AUTOEXECPROGBUF (0xffffU << DMI_ABSTRACTAUTO_AUTOEXECPROGBUF_OFFSET)
+/*
+* When a bit in this field is 1, read or write accesses to the corresponding {\tt data} word
+* cause the command in \Rcommand to be executed again.
+ */
+#define DMI_ABSTRACTAUTO_AUTOEXECDATA_OFFSET 0
+#define DMI_ABSTRACTAUTO_AUTOEXECDATA_LENGTH 12
+#define DMI_ABSTRACTAUTO_AUTOEXECDATA (0xfffU << DMI_ABSTRACTAUTO_AUTOEXECDATA_OFFSET)
+#define DMI_DEVTREEADDR0 0x19
+#define DMI_DEVTREEADDR0_ADDR_OFFSET 0
+#define DMI_DEVTREEADDR0_ADDR_LENGTH 32
+#define DMI_DEVTREEADDR0_ADDR (0xffffffffU << DMI_DEVTREEADDR0_ADDR_OFFSET)
+#define DMI_DEVTREEADDR1 0x1a
+#define DMI_DEVTREEADDR2 0x1b
+#define DMI_DEVTREEADDR3 0x1c
+#define DMI_DATA0 0x04
+#define DMI_DATA0_DATA_OFFSET 0
+#define DMI_DATA0_DATA_LENGTH 32
+#define DMI_DATA0_DATA (0xffffffffU << DMI_DATA0_DATA_OFFSET)
+#define DMI_DATA11 0x0f
+#define DMI_PROGBUF0 0x20
+#define DMI_PROGBUF0_DATA_OFFSET 0
+#define DMI_PROGBUF0_DATA_LENGTH 32
+#define DMI_PROGBUF0_DATA (0xffffffffU << DMI_PROGBUF0_DATA_OFFSET)
+#define DMI_PROGBUF15 0x2f
+#define DMI_AUTHDATA 0x30
+#define DMI_AUTHDATA_DATA_OFFSET 0
+#define DMI_AUTHDATA_DATA_LENGTH 32
+#define DMI_AUTHDATA_DATA (0xffffffffU << DMI_AUTHDATA_DATA_OFFSET)
+#define DMI_SBADDRESS3 0x37
+/*
+* Accesses bits 127:96 of the physical address in {\tt sbaddress} (if
+* the system address bus is that wide).
+ */
+#define DMI_SBADDRESS3_ADDRESS_OFFSET 0
+#define DMI_SBADDRESS3_ADDRESS_LENGTH 32
+#define DMI_SBADDRESS3_ADDRESS (0xffffffffU << DMI_SBADDRESS3_ADDRESS_OFFSET)
+#define DMI_SBCS 0x38
+/*
+* 0: The System Bus interface conforms to mainline drafts of this
+* spec older than 1 January, 2018.
+*
+* 1: The System Bus interface conforms to this version of the spec.
+*
+* Other values are reserved for future versions.
+ */
+#define DMI_SBCS_SBVERSION_OFFSET 29
+#define DMI_SBCS_SBVERSION_LENGTH 3
+#define DMI_SBCS_SBVERSION (0x7U << DMI_SBCS_SBVERSION_OFFSET)
+/*
+* Set when the debugger attempts to read data while a read is in
+* progress, or when the debugger initiates a new access while one is
+* already in progress (while \Fsbbusy is set). It remains set until
+* it's explicitly cleared by the debugger.
+*
+* While this field is non-zero, no more system bus accesses can be
+* initiated by the debug module.
+ */
+#define DMI_SBCS_SBBUSYERROR_OFFSET 22
+#define DMI_SBCS_SBBUSYERROR_LENGTH 1
+#define DMI_SBCS_SBBUSYERROR (0x1U << DMI_SBCS_SBBUSYERROR_OFFSET)
/*
-* When a 1 is written here, triggers a read at the address in {\tt
-* sbaddress} using the access size set by \Fsbaccess.
+* When 1, indicates the system bus master is busy. (Whether the
+* system bus itself is busy is related, but not the same thing.) This
+* bit goes high immediately when a read or write is requested for any
+* reason, and does not go low until the access is fully completed.
+*
+* To avoid race conditions, debuggers must not try to clear \Fsberror
+* until they read \Fsbbusy as 0.
+ */
+#define DMI_SBCS_SBBUSY_OFFSET 21
+#define DMI_SBCS_SBBUSY_LENGTH 1
+#define DMI_SBCS_SBBUSY (0x1U << DMI_SBCS_SBBUSY_OFFSET)
+/*
+* When 1, every write to \Rsbaddresszero automatically triggers a
+* system bus read at the new address.
*/
-#define DMI_SBCS_SBSINGLEREAD_OFFSET 20
-#define DMI_SBCS_SBSINGLEREAD_LENGTH 1
-#define DMI_SBCS_SBSINGLEREAD (0x1 << DMI_SBCS_SBSINGLEREAD_OFFSET)
+#define DMI_SBCS_SBREADONADDR_OFFSET 20
+#define DMI_SBCS_SBREADONADDR_LENGTH 1
+#define DMI_SBCS_SBREADONADDR (0x1U << DMI_SBCS_SBREADONADDR_OFFSET)
/*
-* Select the access size to use for system bus accesses triggered by
-* writes to the {\tt sbaddress} registers or \Rsbdatazero.
+* Select the access size to use for system bus accesses.
*
* 0: 8-bit
*
*
* 4: 128-bit
*
-* If an unsupported system bus access size is written here,
-* the DM may not
-* perform the access, or may perform the access with any access size
+* If \Fsbaccess has an unsupported value when the DM starts a bus
+* access, the access is not performed and \Fsberror is set to 3.
*/
#define DMI_SBCS_SBACCESS_OFFSET 17
#define DMI_SBCS_SBACCESS_LENGTH 3
-#define DMI_SBCS_SBACCESS (0x7 << DMI_SBCS_SBACCESS_OFFSET)
+#define DMI_SBCS_SBACCESS (0x7U << DMI_SBCS_SBACCESS_OFFSET)
/*
-* When 1, the internal address value (used by the system bus master)
-* is incremented by the access size (in bytes) selected in \Fsbaccess
-* after every system bus access.
+* When 1, {\tt sbaddress} is incremented by the access size (in
+* bytes) selected in \Fsbaccess after every system bus access.
*/
#define DMI_SBCS_SBAUTOINCREMENT_OFFSET 16
#define DMI_SBCS_SBAUTOINCREMENT_LENGTH 1
-#define DMI_SBCS_SBAUTOINCREMENT (0x1 << DMI_SBCS_SBAUTOINCREMENT_OFFSET)
+#define DMI_SBCS_SBAUTOINCREMENT (0x1U << DMI_SBCS_SBAUTOINCREMENT_OFFSET)
/*
-* When 1, every read from \Rsbdatazero automatically triggers a system
-* bus read at the new address.
+* When 1, every read from \Rsbdatazero automatically triggers a
+* system bus read at the (possibly auto-incremented) address.
*/
-#define DMI_SBCS_SBAUTOREAD_OFFSET 15
-#define DMI_SBCS_SBAUTOREAD_LENGTH 1
-#define DMI_SBCS_SBAUTOREAD (0x1 << DMI_SBCS_SBAUTOREAD_OFFSET)
+#define DMI_SBCS_SBREADONDATA_OFFSET 15
+#define DMI_SBCS_SBREADONDATA_LENGTH 1
+#define DMI_SBCS_SBREADONDATA (0x1U << DMI_SBCS_SBREADONDATA_OFFSET)
/*
* When the debug module's system bus
-* master causes a bus error, this field gets set.
-* It remains set until 0 is written to any bit in this field. Until
-* that happens, the system bus master is busy and no more accesses can be
+* master causes a bus error, this field gets set. The bits in this
+* field remain set until they are cleared by writing 1 to them.
+* While this field is non-zero, no more system bus accesses can be
* initiated by the debug module.
*
* 0: There was no bus error.
* 2: A bad address was accessed.
*
* 3: There was some other error (eg. alignment).
-*
-* 4: The system bus master was busy when a one of the
-* {\tt sbaddress} or {\tt sbdata} registers was written,
-* or the {\tt sbdata} register was read when it had
-* stale data.
*/
#define DMI_SBCS_SBERROR_OFFSET 12
#define DMI_SBCS_SBERROR_LENGTH 3
-#define DMI_SBCS_SBERROR (0x7 << DMI_SBCS_SBERROR_OFFSET)
+#define DMI_SBCS_SBERROR (0x7U << DMI_SBCS_SBERROR_OFFSET)
/*
* Width of system bus addresses in bits. (0 indicates there is no bus
* access support.)
*/
#define DMI_SBCS_SBASIZE_OFFSET 5
#define DMI_SBCS_SBASIZE_LENGTH 7
-#define DMI_SBCS_SBASIZE (0x7f << DMI_SBCS_SBASIZE_OFFSET)
+#define DMI_SBCS_SBASIZE (0x7fU << DMI_SBCS_SBASIZE_OFFSET)
/*
* 1 when 128-bit system bus accesses are supported.
*/
#define DMI_SBCS_SBACCESS128_OFFSET 4
#define DMI_SBCS_SBACCESS128_LENGTH 1
-#define DMI_SBCS_SBACCESS128 (0x1 << DMI_SBCS_SBACCESS128_OFFSET)
+#define DMI_SBCS_SBACCESS128 (0x1U << DMI_SBCS_SBACCESS128_OFFSET)
/*
* 1 when 64-bit system bus accesses are supported.
*/
#define DMI_SBCS_SBACCESS64_OFFSET 3
#define DMI_SBCS_SBACCESS64_LENGTH 1
-#define DMI_SBCS_SBACCESS64 (0x1 << DMI_SBCS_SBACCESS64_OFFSET)
+#define DMI_SBCS_SBACCESS64 (0x1U << DMI_SBCS_SBACCESS64_OFFSET)
/*
* 1 when 32-bit system bus accesses are supported.
*/
#define DMI_SBCS_SBACCESS32_OFFSET 2
#define DMI_SBCS_SBACCESS32_LENGTH 1
-#define DMI_SBCS_SBACCESS32 (0x1 << DMI_SBCS_SBACCESS32_OFFSET)
+#define DMI_SBCS_SBACCESS32 (0x1U << DMI_SBCS_SBACCESS32_OFFSET)
/*
* 1 when 16-bit system bus accesses are supported.
*/
#define DMI_SBCS_SBACCESS16_OFFSET 1
#define DMI_SBCS_SBACCESS16_LENGTH 1
-#define DMI_SBCS_SBACCESS16 (0x1 << DMI_SBCS_SBACCESS16_OFFSET)
+#define DMI_SBCS_SBACCESS16 (0x1U << DMI_SBCS_SBACCESS16_OFFSET)
/*
* 1 when 8-bit system bus accesses are supported.
*/
#define DMI_SBCS_SBACCESS8_OFFSET 0
#define DMI_SBCS_SBACCESS8_LENGTH 1
-#define DMI_SBCS_SBACCESS8 (0x1 << DMI_SBCS_SBACCESS8_OFFSET)
-#define DMI_SBADDRESS0 0x04
+#define DMI_SBCS_SBACCESS8 (0x1U << DMI_SBCS_SBACCESS8_OFFSET)
+#define DMI_SBADDRESS0 0x39
/*
-* Accesses bits 31:0 of the internal address.
+* Accesses bits 31:0 of the physical address in {\tt sbaddress}.
*/
#define DMI_SBADDRESS0_ADDRESS_OFFSET 0
#define DMI_SBADDRESS0_ADDRESS_LENGTH 32
-#define DMI_SBADDRESS0_ADDRESS (0xffffffff << DMI_SBADDRESS0_ADDRESS_OFFSET)
-#define DMI_SBADDRESS1 0x05
+#define DMI_SBADDRESS0_ADDRESS (0xffffffffU << DMI_SBADDRESS0_ADDRESS_OFFSET)
+#define DMI_SBADDRESS1 0x3a
/*
-* Accesses bits 63:32 of the internal address (if the system address
-* bus is that wide).
+* Accesses bits 63:32 of the physical address in {\tt sbaddress} (if
+* the system address bus is that wide).
*/
#define DMI_SBADDRESS1_ADDRESS_OFFSET 0
#define DMI_SBADDRESS1_ADDRESS_LENGTH 32
-#define DMI_SBADDRESS1_ADDRESS (0xffffffff << DMI_SBADDRESS1_ADDRESS_OFFSET)
-#define DMI_SBADDRESS2 0x06
+#define DMI_SBADDRESS1_ADDRESS (0xffffffffU << DMI_SBADDRESS1_ADDRESS_OFFSET)
+#define DMI_SBADDRESS2 0x3b
/*
-* The same as \Fbusy in \Rsbaddresszero.
- */
-#define DMI_SBADDRESS2_BUSY_OFFSET 31
-#define DMI_SBADDRESS2_BUSY_LENGTH 1
-#define DMI_SBADDRESS2_BUSY (0x1 << DMI_SBADDRESS2_BUSY_OFFSET)
-/*
-* Accesses bits 91:61 of the internal address (if the system address
-* bus is that wide).
+* Accesses bits 95:64 of the physical address in {\tt sbaddress} (if
+* the system address bus is that wide).
*/
#define DMI_SBADDRESS2_ADDRESS_OFFSET 0
-#define DMI_SBADDRESS2_ADDRESS_LENGTH 31
-#define DMI_SBADDRESS2_ADDRESS (0x7fffffff << DMI_SBADDRESS2_ADDRESS_OFFSET)
-#define DMI_SBDATA0 0x07
+#define DMI_SBADDRESS2_ADDRESS_LENGTH 32
+#define DMI_SBADDRESS2_ADDRESS (0xffffffffU << DMI_SBADDRESS2_ADDRESS_OFFSET)
+#define DMI_SBDATA0 0x3c
/*
-* Accesses bits 31:0 of the internal data.
+* Accesses bits 31:0 of {\tt sbdata}.
*/
#define DMI_SBDATA0_DATA_OFFSET 0
#define DMI_SBDATA0_DATA_LENGTH 32
-#define DMI_SBDATA0_DATA (0xffffffff << DMI_SBDATA0_DATA_OFFSET)
-#define DMI_SBDATA1 0x08
+#define DMI_SBDATA0_DATA (0xffffffffU << DMI_SBDATA0_DATA_OFFSET)
+#define DMI_SBDATA1 0x3d
/*
-* Accesses bits 63:32 of the internal data (if the system bus is
-* that wide).
+* Accesses bits 63:32 of {\tt sbdata} (if the system bus is that
+* wide).
*/
#define DMI_SBDATA1_DATA_OFFSET 0
#define DMI_SBDATA1_DATA_LENGTH 32
-#define DMI_SBDATA1_DATA (0xffffffff << DMI_SBDATA1_DATA_OFFSET)
-#define DMI_SBDATA2 0x09
+#define DMI_SBDATA1_DATA (0xffffffffU << DMI_SBDATA1_DATA_OFFSET)
+#define DMI_SBDATA2 0x3e
/*
-* Accesses bits 95:64 of the internal data (if the system bus is
-* that wide).
+* Accesses bits 95:64 of {\tt sbdata} (if the system bus is that
+* wide).
*/
#define DMI_SBDATA2_DATA_OFFSET 0
#define DMI_SBDATA2_DATA_LENGTH 32
-#define DMI_SBDATA2_DATA (0xffffffff << DMI_SBDATA2_DATA_OFFSET)
-#define DMI_SBDATA3 0x0a
+#define DMI_SBDATA2_DATA (0xffffffffU << DMI_SBDATA2_DATA_OFFSET)
+#define DMI_SBDATA3 0x3f
/*
-* Accesses bits 127:96 of the internal data (if the system bus is
-* that wide).
+* Accesses bits 127:96 of {\tt sbdata} (if the system bus is that
+* wide).
*/
#define DMI_SBDATA3_DATA_OFFSET 0
#define DMI_SBDATA3_DATA_LENGTH 32
-#define DMI_SBDATA3_DATA (0xffffffff << DMI_SBDATA3_DATA_OFFSET)
-#define DMI_AUTHDATA0 0x0b
-#define DMI_AUTHDATA0_DATA_OFFSET 0
-#define DMI_AUTHDATA0_DATA_LENGTH 32
-#define DMI_AUTHDATA0_DATA (0xffffffff << DMI_AUTHDATA0_DATA_OFFSET)
-#define DMI_AUTHDATA1 0x0c
-#define DMI_AUTHDATA1_DATA_OFFSET 0
-#define DMI_AUTHDATA1_DATA_LENGTH 32
-#define DMI_AUTHDATA1_DATA (0xffffffff << DMI_AUTHDATA1_DATA_OFFSET)
-#define DMI_ABSTRACTCS 0x0e
-#define DMI_ABSTRACTCS_AUTOEXEC7_OFFSET 15
-#define DMI_ABSTRACTCS_AUTOEXEC7_LENGTH 1
-#define DMI_ABSTRACTCS_AUTOEXEC7 (0x1 << DMI_ABSTRACTCS_AUTOEXEC7_OFFSET)
-#define DMI_ABSTRACTCS_AUTOEXEC6_OFFSET 14
-#define DMI_ABSTRACTCS_AUTOEXEC6_LENGTH 1
-#define DMI_ABSTRACTCS_AUTOEXEC6 (0x1 << DMI_ABSTRACTCS_AUTOEXEC6_OFFSET)
-#define DMI_ABSTRACTCS_AUTOEXEC5_OFFSET 13
-#define DMI_ABSTRACTCS_AUTOEXEC5_LENGTH 1
-#define DMI_ABSTRACTCS_AUTOEXEC5 (0x1 << DMI_ABSTRACTCS_AUTOEXEC5_OFFSET)
-#define DMI_ABSTRACTCS_AUTOEXEC4_OFFSET 12
-#define DMI_ABSTRACTCS_AUTOEXEC4_LENGTH 1
-#define DMI_ABSTRACTCS_AUTOEXEC4 (0x1 << DMI_ABSTRACTCS_AUTOEXEC4_OFFSET)
-#define DMI_ABSTRACTCS_AUTOEXEC3_OFFSET 11
-#define DMI_ABSTRACTCS_AUTOEXEC3_LENGTH 1
-#define DMI_ABSTRACTCS_AUTOEXEC3 (0x1 << DMI_ABSTRACTCS_AUTOEXEC3_OFFSET)
-#define DMI_ABSTRACTCS_AUTOEXEC2_OFFSET 10
-#define DMI_ABSTRACTCS_AUTOEXEC2_LENGTH 1
-#define DMI_ABSTRACTCS_AUTOEXEC2 (0x1 << DMI_ABSTRACTCS_AUTOEXEC2_OFFSET)
-#define DMI_ABSTRACTCS_AUTOEXEC1_OFFSET 9
-#define DMI_ABSTRACTCS_AUTOEXEC1_LENGTH 1
-#define DMI_ABSTRACTCS_AUTOEXEC1 (0x1 << DMI_ABSTRACTCS_AUTOEXEC1_OFFSET)
-/*
-* When 1, accesses to \Rdatazero cause the command in \Rcommand to be
-* executed again.
-*
-* The same is true for other other autoexec bits: When 1, accesses to
-* {\tt data}N cause the command in \Rcommand to be executed again.
- */
-#define DMI_ABSTRACTCS_AUTOEXEC0_OFFSET 8
-#define DMI_ABSTRACTCS_AUTOEXEC0_LENGTH 1
-#define DMI_ABSTRACTCS_AUTOEXEC0 (0x1 << DMI_ABSTRACTCS_AUTOEXEC0_OFFSET)
-/*
-* Gets set if an abstract command fails. No abstract command is
-* started until the value is reset to 0.
-*
-* 0 (none): No error.
-*
-* 1 (busy): An abstract command was executing while \Rcommand or one
-* of the {\tt data} registers was accessed.
+#define DMI_SBDATA3_DATA (0xffffffffU << DMI_SBDATA3_DATA_OFFSET)
+#define SHORTNAME 0x123
+/*
+* Description of what this field is used for.
+ */
+#define SHORTNAME_FIELD_OFFSET 0
+#define SHORTNAME_FIELD_LENGTH 8
+#define SHORTNAME_FIELD (0xffU << SHORTNAME_FIELD_OFFSET)
+#define AC_ACCESS_REGISTER None
+/*
+* This is 0 to indicate Access Register Command.
+ */
+#define AC_ACCESS_REGISTER_CMDTYPE_OFFSET 24
+#define AC_ACCESS_REGISTER_CMDTYPE_LENGTH 8
+#define AC_ACCESS_REGISTER_CMDTYPE (0xffU << AC_ACCESS_REGISTER_CMDTYPE_OFFSET)
+/*
+* 2: Access the lowest 32 bits of the register.
*
-* 2 (not supported): The requested command is not supported. A
-* command that is not supported while the hart is running may be
-* supported when it is halted.
+* 3: Access the lowest 64 bits of the register.
*
-* 3 (exception): An exception occurred while executing the command
-* (eg. while executing the Program Buffer).
+* 4: Access the lowest 128 bits of the register.
*
-* 4 (halt/resume): An abstract command couldn't execute because the
-* hart wasn't in the expected state (running/halted).
-*
-* 7 (other): The command failed for another reason.
- */
-#define DMI_ABSTRACTCS_CMDERR_OFFSET 5
-#define DMI_ABSTRACTCS_CMDERR_LENGTH 3
-#define DMI_ABSTRACTCS_CMDERR (0x7 << DMI_ABSTRACTCS_CMDERR_OFFSET)
-/*
-* 1: An abstract command is currently being executed.
-*
-* This bit is set as soon as \Rcommand is written, and isn't cleared
-* until that command has completed.
- */
-#define DMI_ABSTRACTCS_BUSY_OFFSET 4
-#define DMI_ABSTRACTCS_BUSY_LENGTH 1
-#define DMI_ABSTRACTCS_BUSY (0x1 << DMI_ABSTRACTCS_BUSY_OFFSET)
-/*
-* Number of {\tt data} registers that are implemented as part of the
-* abstract command interface. If it's 0 then no abstract interface is
-* implemented at all.
- */
-#define DMI_ABSTRACTCS_DATACOUNT_OFFSET 0
-#define DMI_ABSTRACTCS_DATACOUNT_LENGTH 4
-#define DMI_ABSTRACTCS_DATACOUNT (0xf << DMI_ABSTRACTCS_DATACOUNT_OFFSET)
-#define DMI_COMMAND 0x0f
-#define DMI_COMMAND_COMMAND_OFFSET 0
-#define DMI_COMMAND_COMMAND_LENGTH 32
-#define DMI_COMMAND_COMMAND (0xffffffff << DMI_COMMAND_COMMAND_OFFSET)
-#define DMI_DATA0 0x10
-#define DMI_DATA0_DATA_OFFSET 0
-#define DMI_DATA0_DATA_LENGTH 32
-#define DMI_DATA0_DATA (0xffffffff << DMI_DATA0_DATA_OFFSET)
-#define DMI_DATA1 0x11
-#define DMI_DATA2 0x12
-#define DMI_DATA3 0x13
-#define DMI_DATA4 0x14
-#define DMI_DATA5 0x15
-#define DMI_DATA6 0x16
-#define DMI_DATA7 0x17
-#define DMI_DATA8 0x18
-#define DMI_DATA9 0x19
-#define DMI_DATA10 0x1a
-#define DMI_DATA11 0x1b
-#define DMI_SERDATA 0x1c
-#define DMI_SERDATA_DATA_OFFSET 0
-#define DMI_SERDATA_DATA_LENGTH 32
-#define DMI_SERDATA_DATA (0xffffffff << DMI_SERDATA_DATA_OFFSET)
-#define DMI_SERSTATUS 0x1d
-/*
-* Number of supported serial ports.
- */
-#define DMI_SERSTATUS_SERIALCOUNT_OFFSET 28
-#define DMI_SERSTATUS_SERIALCOUNT_LENGTH 4
-#define DMI_SERSTATUS_SERIALCOUNT (0xf << DMI_SERSTATUS_SERIALCOUNT_OFFSET)
-/*
-* Select which serial port is accessed by \Rserdata.
- */
-#define DMI_SERSTATUS_SERIAL_OFFSET 16
-#define DMI_SERSTATUS_SERIAL_LENGTH 3
-#define DMI_SERSTATUS_SERIAL (0x7 << DMI_SERSTATUS_SERIAL_OFFSET)
-#define DMI_SERSTATUS_VALID7_OFFSET 15
-#define DMI_SERSTATUS_VALID7_LENGTH 1
-#define DMI_SERSTATUS_VALID7 (0x1 << DMI_SERSTATUS_VALID7_OFFSET)
-#define DMI_SERSTATUS_FULL_OVERFLOW7_OFFSET 14
-#define DMI_SERSTATUS_FULL_OVERFLOW7_LENGTH 1
-#define DMI_SERSTATUS_FULL_OVERFLOW7 (0x1 << DMI_SERSTATUS_FULL_OVERFLOW7_OFFSET)
-#define DMI_SERSTATUS_VALID6_OFFSET 13
-#define DMI_SERSTATUS_VALID6_LENGTH 1
-#define DMI_SERSTATUS_VALID6 (0x1 << DMI_SERSTATUS_VALID6_OFFSET)
-#define DMI_SERSTATUS_FULL_OVERFLOW6_OFFSET 12
-#define DMI_SERSTATUS_FULL_OVERFLOW6_LENGTH 1
-#define DMI_SERSTATUS_FULL_OVERFLOW6 (0x1 << DMI_SERSTATUS_FULL_OVERFLOW6_OFFSET)
-#define DMI_SERSTATUS_VALID5_OFFSET 11
-#define DMI_SERSTATUS_VALID5_LENGTH 1
-#define DMI_SERSTATUS_VALID5 (0x1 << DMI_SERSTATUS_VALID5_OFFSET)
-#define DMI_SERSTATUS_FULL_OVERFLOW5_OFFSET 10
-#define DMI_SERSTATUS_FULL_OVERFLOW5_LENGTH 1
-#define DMI_SERSTATUS_FULL_OVERFLOW5 (0x1 << DMI_SERSTATUS_FULL_OVERFLOW5_OFFSET)
-#define DMI_SERSTATUS_VALID4_OFFSET 9
-#define DMI_SERSTATUS_VALID4_LENGTH 1
-#define DMI_SERSTATUS_VALID4 (0x1 << DMI_SERSTATUS_VALID4_OFFSET)
-#define DMI_SERSTATUS_FULL_OVERFLOW4_OFFSET 8
-#define DMI_SERSTATUS_FULL_OVERFLOW4_LENGTH 1
-#define DMI_SERSTATUS_FULL_OVERFLOW4 (0x1 << DMI_SERSTATUS_FULL_OVERFLOW4_OFFSET)
-#define DMI_SERSTATUS_VALID3_OFFSET 7
-#define DMI_SERSTATUS_VALID3_LENGTH 1
-#define DMI_SERSTATUS_VALID3 (0x1 << DMI_SERSTATUS_VALID3_OFFSET)
-#define DMI_SERSTATUS_FULL_OVERFLOW3_OFFSET 6
-#define DMI_SERSTATUS_FULL_OVERFLOW3_LENGTH 1
-#define DMI_SERSTATUS_FULL_OVERFLOW3 (0x1 << DMI_SERSTATUS_FULL_OVERFLOW3_OFFSET)
-#define DMI_SERSTATUS_VALID2_OFFSET 5
-#define DMI_SERSTATUS_VALID2_LENGTH 1
-#define DMI_SERSTATUS_VALID2 (0x1 << DMI_SERSTATUS_VALID2_OFFSET)
-#define DMI_SERSTATUS_FULL_OVERFLOW2_OFFSET 4
-#define DMI_SERSTATUS_FULL_OVERFLOW2_LENGTH 1
-#define DMI_SERSTATUS_FULL_OVERFLOW2 (0x1 << DMI_SERSTATUS_FULL_OVERFLOW2_OFFSET)
-#define DMI_SERSTATUS_VALID1_OFFSET 3
-#define DMI_SERSTATUS_VALID1_LENGTH 1
-#define DMI_SERSTATUS_VALID1 (0x1 << DMI_SERSTATUS_VALID1_OFFSET)
-#define DMI_SERSTATUS_FULL_OVERFLOW1_OFFSET 2
-#define DMI_SERSTATUS_FULL_OVERFLOW1_LENGTH 1
-#define DMI_SERSTATUS_FULL_OVERFLOW1 (0x1 << DMI_SERSTATUS_FULL_OVERFLOW1_OFFSET)
-/*
-* 1 when the core-to-debugger queue for serial port 0 is not empty.
- */
-#define DMI_SERSTATUS_VALID0_OFFSET 1
-#define DMI_SERSTATUS_VALID0_LENGTH 1
-#define DMI_SERSTATUS_VALID0 (0x1 << DMI_SERSTATUS_VALID0_OFFSET)
-/*
-* 1 when the debugger-to-core queue for serial port 0 is either full,
-* or has overflowed. Overflow state is sticky, and can be reset by
-* writing 0 to this bit.
- */
-#define DMI_SERSTATUS_FULL_OVERFLOW0_OFFSET 0
-#define DMI_SERSTATUS_FULL_OVERFLOW0_LENGTH 1
-#define DMI_SERSTATUS_FULL_OVERFLOW0 (0x1 << DMI_SERSTATUS_FULL_OVERFLOW0_OFFSET)
-#define DMI_ACCESSCS 0x1f
-/*
-* Size of the Program Buffer, in 32-bit words. Valid sizes are 0 - 12.
-*
-* A debugger must not access any Instruction Buffer locations that
-* fall outside the range specified here.
-*
-* TODO: Explain what can be done with each size of the buffer, to suggest
-* why you would want more or less words.
- */
-#define DMI_ACCESSCS_PROGSIZE_OFFSET 0
-#define DMI_ACCESSCS_PROGSIZE_LENGTH 4
-#define DMI_ACCESSCS_PROGSIZE (0xf << DMI_ACCESSCS_PROGSIZE_OFFSET)
-#define DMI_IBUF0 0x20
-#define DMI_IBUF0_DATA_OFFSET 0
-#define DMI_IBUF0_DATA_LENGTH 32
-#define DMI_IBUF0_DATA (0xffffffff << DMI_IBUF0_DATA_OFFSET)
-#define DMI_IBUF1 0x21
-#define DMI_IBUF2 0x22
-#define DMI_IBUF3 0x23
-#define DMI_IBUF4 0x24
-#define DMI_IBUF5 0x25
-#define DMI_IBUF6 0x26
-#define DMI_IBUF7 0x27
-#define DMI_IBUF8 0x28
-#define DMI_IBUF9 0x29
-#define DMI_IBUF10 0x2a
-#define DMI_IBUF11 0x2b
-#define SERINFO 0x110
-/*
-* Like \Fserialzero.
- */
-#define SERINFO_SERIAL7_OFFSET 7
-#define SERINFO_SERIAL7_LENGTH 1
-#define SERINFO_SERIAL7 (0x1 << SERINFO_SERIAL7_OFFSET)
-/*
-* Like \Fserialzero.
- */
-#define SERINFO_SERIAL6_OFFSET 6
-#define SERINFO_SERIAL6_LENGTH 1
-#define SERINFO_SERIAL6 (0x1 << SERINFO_SERIAL6_OFFSET)
-/*
-* Like \Fserialzero.
- */
-#define SERINFO_SERIAL5_OFFSET 5
-#define SERINFO_SERIAL5_LENGTH 1
-#define SERINFO_SERIAL5 (0x1 << SERINFO_SERIAL5_OFFSET)
-/*
-* Like \Fserialzero.
- */
-#define SERINFO_SERIAL4_OFFSET 4
-#define SERINFO_SERIAL4_LENGTH 1
-#define SERINFO_SERIAL4 (0x1 << SERINFO_SERIAL4_OFFSET)
-/*
-* Like \Fserialzero.
- */
-#define SERINFO_SERIAL3_OFFSET 3
-#define SERINFO_SERIAL3_LENGTH 1
-#define SERINFO_SERIAL3 (0x1 << SERINFO_SERIAL3_OFFSET)
-/*
-* Like \Fserialzero.
- */
-#define SERINFO_SERIAL2_OFFSET 2
-#define SERINFO_SERIAL2_LENGTH 1
-#define SERINFO_SERIAL2 (0x1 << SERINFO_SERIAL2_OFFSET)
-/*
-* Like \Fserialzero.
- */
-#define SERINFO_SERIAL1_OFFSET 1
-#define SERINFO_SERIAL1_LENGTH 1
-#define SERINFO_SERIAL1 (0x1 << SERINFO_SERIAL1_OFFSET)
-/*
-* 1 means serial interface 0 is supported.
- */
-#define SERINFO_SERIAL0_OFFSET 0
-#define SERINFO_SERIAL0_LENGTH 1
-#define SERINFO_SERIAL0 (0x1 << SERINFO_SERIAL0_OFFSET)
-#define SERSEND0 0x200
-#define SERRECV0 0x204
-#define SERSTAT0 0x208
-/*
-* Send ready. 1 when the core-to-debugger queue is not full. 0
-* otherwise.
- */
-#define SERSTAT0_SENDR_OFFSET 1
-#define SERSTAT0_SENDR_LENGTH 1
-#define SERSTAT0_SENDR (0x1 << SERSTAT0_SENDR_OFFSET)
-/*
-* Receive ready. 1 when the debugger-to-core queue is not empty. 0
-* otherwise.
- */
-#define SERSTAT0_RECVR_OFFSET 0
-#define SERSTAT0_RECVR_LENGTH 1
-#define SERSTAT0_RECVR (0x1 << SERSTAT0_RECVR_OFFSET)
-#define SERSEND1 0x20c
-#define SERRECV1 0x210
-#define SERSTAT1 0x214
-#define SERSEND2 0x218
-#define SERRECV2 0x21c
-#define SERSTAT2 0x220
-#define SERSEND3 0x224
-#define SERRECV3 0x228
-#define SERSTAT3 0x22c
-#define SERSEND4 0x230
-#define SERRECV4 0x234
-#define SERSTAT4 0x238
-#define SERSEND5 0x23c
-#define SERRECV5 0x240
-#define SERSTAT5 0x244
-#define SERSEND6 0x248
-#define SERRECV6 0x24c
-#define SERSTAT6 0x250
-#define SERSEND7 0x254
-#define SERRECV7 0x258
-#define SERSTAT7 0x25c
-#define CSR_TSELECT 0x7a0
-#define CSR_TSELECT_INDEX_OFFSET 0
-#define CSR_TSELECT_INDEX_LENGTH XLEN
-#define CSR_TSELECT_INDEX (((1L<<XLEN)-1) << CSR_TSELECT_INDEX_OFFSET)
-#define CSR_TDATA1 0x7a1
-/*
-* 0: There is no trigger at this \Rtselect.
-*
-* 1: The trigger is a legacy SiFive address match trigger. These
-* should not be implemented and aren't further documented here.
-*
-* 2: The trigger is an address/data match trigger.
-*
-* 3: The trigger is an instruction count trigger.
-*
-* 15: This trigger exists (so enumeration shouldn't terminate), but
-* is not currently available.
-*
-* Other values are reserved for future use.
- */
-#define CSR_TDATA1_TYPE_OFFSET XLEN-4
-#define CSR_TDATA1_TYPE_LENGTH 4
-#define CSR_TDATA1_TYPE (0xfL << CSR_TDATA1_TYPE_OFFSET)
-/*
-* 0: Both Debug and M Mode can write the {\tt tdata} registers at the
-* selected \Rtselect.
-*
-* 1: Only Debug Mode can write the {\tt tdata} registers at the
-* selected \Rtselect. Writes from other modes are ignored.
-*
-* This bit is only writable from Debug Mode.
- */
-#define CSR_TDATA1_DMODE_OFFSET XLEN-5
-#define CSR_TDATA1_DMODE_LENGTH 1
-#define CSR_TDATA1_DMODE (0x1L << CSR_TDATA1_DMODE_OFFSET)
-/*
-* Trigger-specific data.
- */
-#define CSR_TDATA1_DATA_OFFSET 0
-#define CSR_TDATA1_DATA_LENGTH XLEN - 5
-#define CSR_TDATA1_DATA (((1L<<XLEN - 5)-1) << CSR_TDATA1_DATA_OFFSET)
-#define CSR_TDATA2 0x7a2
-#define CSR_TDATA2_DATA_OFFSET 0
-#define CSR_TDATA2_DATA_LENGTH XLEN
-#define CSR_TDATA2_DATA (((1L<<XLEN)-1) << CSR_TDATA2_DATA_OFFSET)
-#define CSR_TDATA3 0x7a3
-#define CSR_TDATA3_DATA_OFFSET 0
-#define CSR_TDATA3_DATA_LENGTH XLEN
-#define CSR_TDATA3_DATA (((1L<<XLEN)-1) << CSR_TDATA3_DATA_OFFSET)
-#define CSR_MCONTROL 0x7a1
-#define CSR_MCONTROL_TYPE_OFFSET XLEN-4
-#define CSR_MCONTROL_TYPE_LENGTH 4
-#define CSR_MCONTROL_TYPE (0xfL << CSR_MCONTROL_TYPE_OFFSET)
-#define CSR_MCONTROL_DMODE_OFFSET XLEN-5
-#define CSR_MCONTROL_DMODE_LENGTH 1
-#define CSR_MCONTROL_DMODE (0x1L << CSR_MCONTROL_DMODE_OFFSET)
-/*
-* Specifies the largest naturally aligned powers-of-two (NAPOT) range
-* supported by the hardware. The value is the logarithm base 2 of the
-* number of bytes in that range. A value of 0 indicates that only
-* exact value matches are supported (one byte range). A value of 63
-* corresponds to the maximum NAPOT range, which is $2^{63}$ bytes in
-* size.
- */
-#define CSR_MCONTROL_MASKMAX_OFFSET XLEN-11
-#define CSR_MCONTROL_MASKMAX_LENGTH 6
-#define CSR_MCONTROL_MASKMAX (0x3fL << CSR_MCONTROL_MASKMAX_OFFSET)
-/*
-* 0: Perform a match on the address.
-*
-* 1: Perform a match on the data value loaded/stored, or the
-* instruction executed.
- */
-#define CSR_MCONTROL_SELECT_OFFSET 19
-#define CSR_MCONTROL_SELECT_LENGTH 1
-#define CSR_MCONTROL_SELECT (0x1L << CSR_MCONTROL_SELECT_OFFSET)
-/*
-* 0: The action for this trigger will be taken just before the
-* instruction that triggered it is executed, but after all preceding
-* instructions are are committed.
-*
-* 1: The action for this trigger will be taken after the instruction
-* that triggered it is executed. It should be taken before the next
-* instruction is executed, but it is better to implement triggers and
-* not implement that suggestion than to not implement them at all.
-*
-* Most hardware will only implement one timing or the other, possibly
-* dependent on \Fselect, \Fexecute, \Fload, and \Fstore. This bit
-* primarily exists for the hardware to communicate to the debugger
-* what will happen. Hardware may implement the bit fully writable, in
-* which case the debugger has a little more control.
-*
-* Data load triggers with \Ftiming of 0 will result in the same load
-* happening again when the debugger lets the core run. For data load
-* triggers debuggers must first attempt to set the breakpoint with
-* \Ftiming of 1.
-*
-* A chain of triggers that don't all have the same \Ftiming value
-* will never fire (unless consecutive instructions match the
-* appropriate triggers).
- */
-#define CSR_MCONTROL_TIMING_OFFSET 18
-#define CSR_MCONTROL_TIMING_LENGTH 1
-#define CSR_MCONTROL_TIMING (0x1L << CSR_MCONTROL_TIMING_OFFSET)
-/*
-* Determines what happens when this trigger matches.
-*
-* 0: Raise a breakpoint exception. (Used when software wants to use
-* the trigger module without an external debugger attached.)
-*
-* 1: Enter Debug Mode. (Only supported when \Fdmode is 1.)
-*
-* 2: Start tracing.
-*
-* 3: Stop tracing.
-*
-* 4: Emit trace data for this match. If it is a data access match,
-* emit appropriate Load/Store Address/Data. If it is an instruction
-* execution, emit its PC.
-*
-* Other values are reserved for future use.
- */
-#define CSR_MCONTROL_ACTION_OFFSET 12
-#define CSR_MCONTROL_ACTION_LENGTH 6
-#define CSR_MCONTROL_ACTION (0x3fL << CSR_MCONTROL_ACTION_OFFSET)
-/*
-* 0: When this trigger matches, the configured action is taken.
-*
-* 1: While this trigger does not match, it prevents the trigger with
-* the next index from matching.
- */
-#define CSR_MCONTROL_CHAIN_OFFSET 11
-#define CSR_MCONTROL_CHAIN_LENGTH 1
-#define CSR_MCONTROL_CHAIN (0x1L << CSR_MCONTROL_CHAIN_OFFSET)
-/*
-* 0: Matches when the value equals \Rtdatatwo.
-*
-* 1: Matches when the top M bits of the value match the top M bits of
-* \Rtdatatwo. M is XLEN-1 minus the index of the least-significant
-* bit containing 0 in \Rtdatatwo.
-*
-* 2: Matches when the value is greater than or equal to \Rtdatatwo.
-*
-* 3: Matches when the value is less than \Rtdatatwo.
-*
-* 4: Matches when the lower half of the value equals the lower half
-* of \Rtdatatwo after the lower half of the value is ANDed with the
-* upper half of \Rtdatatwo.
-*
-* 5: Matches when the upper half of the value equals the lower half
-* of \Rtdatatwo after the upper half of the value is ANDed with the
-* upper half of \Rtdatatwo.
-*
-* Other values are reserved for future use.
- */
-#define CSR_MCONTROL_MATCH_OFFSET 7
-#define CSR_MCONTROL_MATCH_LENGTH 4
-#define CSR_MCONTROL_MATCH (0xfL << CSR_MCONTROL_MATCH_OFFSET)
-/*
-* When set, enable this trigger in M mode.
- */
-#define CSR_MCONTROL_M_OFFSET 6
-#define CSR_MCONTROL_M_LENGTH 1
-#define CSR_MCONTROL_M (0x1L << CSR_MCONTROL_M_OFFSET)
-/*
-* When set, enable this trigger in H mode.
- */
-#define CSR_MCONTROL_H_OFFSET 5
-#define CSR_MCONTROL_H_LENGTH 1
-#define CSR_MCONTROL_H (0x1L << CSR_MCONTROL_H_OFFSET)
-/*
-* When set, enable this trigger in S mode.
- */
-#define CSR_MCONTROL_S_OFFSET 4
-#define CSR_MCONTROL_S_LENGTH 1
-#define CSR_MCONTROL_S (0x1L << CSR_MCONTROL_S_OFFSET)
-/*
-* When set, enable this trigger in U mode.
- */
-#define CSR_MCONTROL_U_OFFSET 3
-#define CSR_MCONTROL_U_LENGTH 1
-#define CSR_MCONTROL_U (0x1L << CSR_MCONTROL_U_OFFSET)
-/*
-* When set, the trigger fires on the address or opcode of an
-* instruction that is executed.
- */
-#define CSR_MCONTROL_EXECUTE_OFFSET 2
-#define CSR_MCONTROL_EXECUTE_LENGTH 1
-#define CSR_MCONTROL_EXECUTE (0x1L << CSR_MCONTROL_EXECUTE_OFFSET)
-/*
-* When set, the trigger fires on the address or data of a store.
- */
-#define CSR_MCONTROL_STORE_OFFSET 1
-#define CSR_MCONTROL_STORE_LENGTH 1
-#define CSR_MCONTROL_STORE (0x1L << CSR_MCONTROL_STORE_OFFSET)
-/*
-* When set, the trigger fires on the address or data of a load.
- */
-#define CSR_MCONTROL_LOAD_OFFSET 0
-#define CSR_MCONTROL_LOAD_LENGTH 1
-#define CSR_MCONTROL_LOAD (0x1L << CSR_MCONTROL_LOAD_OFFSET)
-#define CSR_ICOUNT 0x7a1
-#define CSR_ICOUNT_TYPE_OFFSET XLEN-4
-#define CSR_ICOUNT_TYPE_LENGTH 4
-#define CSR_ICOUNT_TYPE (0xfL << CSR_ICOUNT_TYPE_OFFSET)
-#define CSR_ICOUNT_DMODE_OFFSET XLEN-5
-#define CSR_ICOUNT_DMODE_LENGTH 1
-#define CSR_ICOUNT_DMODE (0x1L << CSR_ICOUNT_DMODE_OFFSET)
-/*
-* When count is decremented to 0, the trigger fires. Instead of
-* changing \Fcount from 1 to 0, it is also acceptable for hardware to
-* clear \Fm, \Fh, \Fs, and \Fu. This allows \Fcount to be hard-wired
-* to 1 if this register just exists for single step.
- */
-#define CSR_ICOUNT_COUNT_OFFSET 10
-#define CSR_ICOUNT_COUNT_LENGTH 14
-#define CSR_ICOUNT_COUNT (0x3fffL << CSR_ICOUNT_COUNT_OFFSET)
-/*
-* When set, every instruction completed in M mode decrements \Fcount
-* by 1.
- */
-#define CSR_ICOUNT_M_OFFSET 9
-#define CSR_ICOUNT_M_LENGTH 1
-#define CSR_ICOUNT_M (0x1L << CSR_ICOUNT_M_OFFSET)
-/*
-* When set, every instruction completed in H mode decrements \Fcount
-* by 1.
- */
-#define CSR_ICOUNT_H_OFFSET 8
-#define CSR_ICOUNT_H_LENGTH 1
-#define CSR_ICOUNT_H (0x1L << CSR_ICOUNT_H_OFFSET)
-/*
-* When set, every instruction completed in S mode decrements \Fcount
-* by 1.
- */
-#define CSR_ICOUNT_S_OFFSET 7
-#define CSR_ICOUNT_S_LENGTH 1
-#define CSR_ICOUNT_S (0x1L << CSR_ICOUNT_S_OFFSET)
-/*
-* When set, every instruction completed in U mode decrements \Fcount
-* by 1.
- */
-#define CSR_ICOUNT_U_OFFSET 6
-#define CSR_ICOUNT_U_LENGTH 1
-#define CSR_ICOUNT_U (0x1L << CSR_ICOUNT_U_OFFSET)
-/*
-* Determines what happens when this trigger matches.
-*
-* 0: Raise a debug exception. (Used when software wants to use the
-* trigger module without an external debugger attached.)
-*
-* 1: Enter Debug Mode. (Only supported when \Fdmode is 1.)
-*
-* 2: Start tracing.
-*
-* 3: Stop tracing.
-*
-* 4: Emit trace data for this match. If it is a data access match,
-* emit appropriate Load/Store Address/Data. If it is an instruction
-* execution, emit its PC.
-*
-* Other values are reserved for future use.
- */
-#define CSR_ICOUNT_ACTION_OFFSET 0
-#define CSR_ICOUNT_ACTION_LENGTH 6
-#define CSR_ICOUNT_ACTION (0x3fL << CSR_ICOUNT_ACTION_OFFSET)
-#define DTM_IDCODE 0x01
-/*
-* Identifies the release version of this part.
- */
-#define DTM_IDCODE_VERSION_OFFSET 28
-#define DTM_IDCODE_VERSION_LENGTH 4
-#define DTM_IDCODE_VERSION (0xf << DTM_IDCODE_VERSION_OFFSET)
-/*
-* Identifies the designer's part number of this part.
+* If \Fsize specifies a size larger than the register's actual size,
+* then the access must fail. If a register is accessible, then reads of \Fsize
+* less than or equal to the register's actual size must be supported.
*/
-#define DTM_IDCODE_PARTNUMBER_OFFSET 12
-#define DTM_IDCODE_PARTNUMBER_LENGTH 16
-#define DTM_IDCODE_PARTNUMBER (0xffff << DTM_IDCODE_PARTNUMBER_OFFSET)
-/*
-* Identifies the designer/manufacturer of this part. Bits 6:0 must be
-* bits 6:0 of the designer/manufacturer's Identification Code as
-* assigned by JEDEC Standard JEP106. Bits 10:7 contain the modulo-16
-* count of the number of continuation characters (0x7f) in that same
-* Identification Code.
- */
-#define DTM_IDCODE_MANUFID_OFFSET 1
-#define DTM_IDCODE_MANUFID_LENGTH 11
-#define DTM_IDCODE_MANUFID (0x7ff << DTM_IDCODE_MANUFID_OFFSET)
-#define DTM_IDCODE_1_OFFSET 0
-#define DTM_IDCODE_1_LENGTH 1
-#define DTM_IDCODE_1 (0x1 << DTM_IDCODE_1_OFFSET)
-#define DTM_SAMPLE 0x02
-#define DTM_PRELOAD 0x03
-#define DTM_EXTEST 0x04
-#define DTM_CLAMP 0x05
-#define DTM_CLAMP__HOLD 0x06
-#define DTM_CLAMP__RELEASE 0x07
-#define DTM_HIGHZ 0x08
-#define DTM_IC__RESET 0x09
-#define DTM_TMP__STATUS 0x0a
-#define DTM_INIT__SETUP 0x0b
-#define DTM_INIT__SETUP__CLAMP 0x0c
-#define DTM_INIT__RUN 0x0d
-#define DTM_DTMCONTROL 0x10
-/*
-* Writing 1 to this bit resets the DMI controller, clearing any
-* sticky error state.
- */
-#define DTM_DTMCONTROL_DMIRESET_OFFSET 16
-#define DTM_DTMCONTROL_DMIRESET_LENGTH 1
-#define DTM_DTMCONTROL_DMIRESET (0x1 << DTM_DTMCONTROL_DMIRESET_OFFSET)
-/*
-* This is the minimum number of cycles a debugger should spend in
-* Run-Test/Idle after every DMI scan to avoid a 'busy'
-* return code (\Fdmistat of 3). A debugger must still
-* check \Fdmistat when necessary.
-*
-* 0: It is not necessary to enter Run-Test/Idle at all.
-*
-* 1: Enter Run-Test/Idle and leave it immediately.
-*
-* 2: Enter Run-Test/Idle and stay there for 1 cycle before leaving.
-*
-* And so on.
- */
-#define DTM_DTMCONTROL_IDLE_OFFSET 12
-#define DTM_DTMCONTROL_IDLE_LENGTH 3
-#define DTM_DTMCONTROL_IDLE (0x7 << DTM_DTMCONTROL_IDLE_OFFSET)
-/*
-* 0: No error.
-*
-* 1: Reserved. Interpret the same as 2.
-*
-* 2: An operation failed (resulted in \Fop of 2).
-*
-* 3: An operation was attempted while a DMI access was still in
-* progress (resulted in \Fop of 3).
- */
-#define DTM_DTMCONTROL_DMISTAT_OFFSET 10
-#define DTM_DTMCONTROL_DMISTAT_LENGTH 2
-#define DTM_DTMCONTROL_DMISTAT (0x3 << DTM_DTMCONTROL_DMISTAT_OFFSET)
+#define AC_ACCESS_REGISTER_SIZE_OFFSET 20
+#define AC_ACCESS_REGISTER_SIZE_LENGTH 3
+#define AC_ACCESS_REGISTER_SIZE (0x7U << AC_ACCESS_REGISTER_SIZE_OFFSET)
/*
-* The size of \Faddress in \Rdmi.
+* When 1, execute the program in the Program Buffer exactly once
+* after performing the transfer, if any.
*/
-#define DTM_DTMCONTROL_ABITS_OFFSET 4
-#define DTM_DTMCONTROL_ABITS_LENGTH 6
-#define DTM_DTMCONTROL_ABITS (0x3f << DTM_DTMCONTROL_ABITS_OFFSET)
+#define AC_ACCESS_REGISTER_POSTEXEC_OFFSET 18
+#define AC_ACCESS_REGISTER_POSTEXEC_LENGTH 1
+#define AC_ACCESS_REGISTER_POSTEXEC (0x1U << AC_ACCESS_REGISTER_POSTEXEC_OFFSET)
/*
-* 0: Version described in spec version 0.11.
+* 0: Don't do the operation specified by \Fwrite.
*
-* 1: Version described in spec version 0.12 (and later?), which
-* reduces the DMI data width to 32 bits.
+* 1: Do the operation specified by \Fwrite.
*
-* Other values are reserved for future use.
+* This bit can be used to just execute the Program Buffer without
+* having to worry about placing valid values into \Fsize or \Fregno.
*/
-#define DTM_DTMCONTROL_VERSION_OFFSET 0
-#define DTM_DTMCONTROL_VERSION_LENGTH 4
-#define DTM_DTMCONTROL_VERSION (0xf << DTM_DTMCONTROL_VERSION_OFFSET)
-#define DTM_DMI 0x11
+#define AC_ACCESS_REGISTER_TRANSFER_OFFSET 17
+#define AC_ACCESS_REGISTER_TRANSFER_LENGTH 1
+#define AC_ACCESS_REGISTER_TRANSFER (0x1U << AC_ACCESS_REGISTER_TRANSFER_OFFSET)
/*
-* Address used for DMI access. In Update-DR this value is used
-* to access the DM over the DMI.
- */
-#define DTM_DMI_ADDRESS_OFFSET 34
-#define DTM_DMI_ADDRESS_LENGTH abits
-#define DTM_DMI_ADDRESS (((1L<<abits)-1) << DTM_DMI_ADDRESS_OFFSET)
-/*
-* The data to send to the DM over the DMI during Update-DR, and
-* the data returned from the DM as a result of the previous operation.
- */
-#define DTM_DMI_DATA_OFFSET 2
-#define DTM_DMI_DATA_LENGTH 32
-#define DTM_DMI_DATA (0xffffffffL << DTM_DMI_DATA_OFFSET)
-/*
-* When the debugger writes this field, it has the following meaning:
-*
-* 0: Ignore \Fdata. (nop)
-*
-* 1: Read from \Faddress. (read)
-*
-* 2: Write \Fdata to \Faddress. (write)
-*
-* 3: Reserved.
-*
-* When the debugger reads this field, it means the following:
-*
-* 0: The previous operation completed successfully.
-*
-* 1: Reserved.
-*
-* 2: The previous operation returned a non-zero value in \Fop.
-* The data scanned into \Rdmi in this access will be ignored.
-* This status is sticky and can be cleared by writing \Fdmireset
-* in \Rdtmcontrol.
-*
-* (This indicates that the DM itself responded with an error, e.g.
-* in the System Bus and Serial Port overflow/underflow cases.
-* Generally this means that for this type of DM access, the DTM should
-* allow more time between Update-DR and Capture-DR. The most portable way
-* to achieve this is to spend more TCK ticks in Run-Test/Idle state
-* for similar operations.)
-*
-* 3: The previous DMI request is still in progress. The data scanned
-* into \Rdmi in this access will be ignored. This status is sticky
-* and can be cleared by writing \Fdmireset in \Rdtmcontrol. If a
-* debugger sees this status, it needs to give the target more TCK
-* edges between Update-DR and Capture-DR. The simplest way
-* to do that is to add extra transitions in Run-Test/Idle.
+* When \Ftransfer is set:
+* 0: Copy data from the specified register into {\tt arg0} portion
+* of {\tt data}.
*
-* (The DTM, DM, and/or component may be in different clock domains,
-* so synchronization may be required. Some relatively fixed number of
-* TCK ticks may be needed for the request to reach the DM, complete,
-* and for the response to be synchronized back into the TCK domain.
-* This status is intended to cover these cases, and is orthogonal to
-* the causes for case 2.)
- */
-#define DTM_DMI_OP_OFFSET 0
-#define DTM_DMI_OP_LENGTH 2
-#define DTM_DMI_OP (0x3L << DTM_DMI_OP_OFFSET)
-#define SHORTNAME 0x123
-/*
-* Description of what this field is used for.
- */
-#define SHORTNAME_FIELD_OFFSET 0
-#define SHORTNAME_FIELD_LENGTH 8
-#define SHORTNAME_FIELD (0xff << SHORTNAME_FIELD_OFFSET)
-#define TRACE 0x728
-/*
-* 1 if the trace buffer has wrapped since the last time \Fdiscard was
-* written. 0 otherwise.
- */
-#define TRACE_WRAPPED_OFFSET 24
-#define TRACE_WRAPPED_LENGTH 1
-#define TRACE_WRAPPED (0x1 << TRACE_WRAPPED_OFFSET)
-/*
-* Emit Timestamp trace sequences.
- */
-#define TRACE_EMITTIMESTAMP_OFFSET 23
-#define TRACE_EMITTIMESTAMP_LENGTH 1
-#define TRACE_EMITTIMESTAMP (0x1 << TRACE_EMITTIMESTAMP_OFFSET)
-/*
-* Emit Store Data trace sequences.
- */
-#define TRACE_EMITSTOREDATA_OFFSET 22
-#define TRACE_EMITSTOREDATA_LENGTH 1
-#define TRACE_EMITSTOREDATA (0x1 << TRACE_EMITSTOREDATA_OFFSET)
-/*
-* Emit Load Data trace sequences.
- */
-#define TRACE_EMITLOADDATA_OFFSET 21
-#define TRACE_EMITLOADDATA_LENGTH 1
-#define TRACE_EMITLOADDATA (0x1 << TRACE_EMITLOADDATA_OFFSET)
-/*
-* Emit Store Address trace sequences.
- */
-#define TRACE_EMITSTOREADDR_OFFSET 20
-#define TRACE_EMITSTOREADDR_LENGTH 1
-#define TRACE_EMITSTOREADDR (0x1 << TRACE_EMITSTOREADDR_OFFSET)
-/*
-* Emit Load Address trace sequences.
- */
-#define TRACE_EMITLOADADDR_OFFSET 19
-#define TRACE_EMITLOADADDR_LENGTH 1
-#define TRACE_EMITLOADADDR (0x1 << TRACE_EMITLOADADDR_OFFSET)
-/*
-* Emit Privilege Level trace sequences.
- */
-#define TRACE_EMITPRIV_OFFSET 18
-#define TRACE_EMITPRIV_LENGTH 1
-#define TRACE_EMITPRIV (0x1 << TRACE_EMITPRIV_OFFSET)
-/*
-* Emit Branch Taken and Branch Not Taken trace sequences.
+* 1: Copy data from {\tt arg0} portion of {\tt data} into the
+* specified register.
*/
-#define TRACE_EMITBRANCH_OFFSET 17
-#define TRACE_EMITBRANCH_LENGTH 1
-#define TRACE_EMITBRANCH (0x1 << TRACE_EMITBRANCH_OFFSET)
+#define AC_ACCESS_REGISTER_WRITE_OFFSET 16
+#define AC_ACCESS_REGISTER_WRITE_LENGTH 1
+#define AC_ACCESS_REGISTER_WRITE (0x1U << AC_ACCESS_REGISTER_WRITE_OFFSET)
/*
-* Emit PC trace sequences.
+* Number of the register to access, as described in
+* Table~\ref{tab:regno}.
+* \Rdpc may be used as an alias for PC if this command is
+* supported on a non-halted hart.
*/
-#define TRACE_EMITPC_OFFSET 16
-#define TRACE_EMITPC_LENGTH 1
-#define TRACE_EMITPC (0x1 << TRACE_EMITPC_OFFSET)
+#define AC_ACCESS_REGISTER_REGNO_OFFSET 0
+#define AC_ACCESS_REGISTER_REGNO_LENGTH 16
+#define AC_ACCESS_REGISTER_REGNO (0xffffU << AC_ACCESS_REGISTER_REGNO_OFFSET)
+#define AC_QUICK_ACCESS None
/*
-* Determine what happens when the trace buffer is full. 0 means wrap
-* and overwrite. 1 means turn off trace until \Fdiscard is written as 1.
-* 2 means cause a trace full exception. 3 is reserved for future use.
+* This is 1 to indicate Quick Access command.
*/
-#define TRACE_FULLACTION_OFFSET 8
-#define TRACE_FULLACTION_LENGTH 2
-#define TRACE_FULLACTION (0x3 << TRACE_FULLACTION_OFFSET)
+#define AC_QUICK_ACCESS_CMDTYPE_OFFSET 24
+#define AC_QUICK_ACCESS_CMDTYPE_LENGTH 8
+#define AC_QUICK_ACCESS_CMDTYPE (0xffU << AC_QUICK_ACCESS_CMDTYPE_OFFSET)
+#define VIRT_PRIV virtual
/*
-* 0: Trace to a dedicated on-core RAM (which is not further defined in
-* this spec).
-*
-* 1: Trace to RAM on the system bus.
-*
-* 2: Send trace data to a dedicated off-chip interface (which is not
-* defined in this spec). This does not affect execution speed.
-*
-* 3: Reserved for future use.
-*
-* Options 0 and 1 slow down execution (eg. because of system bus
-* contention).
+* Contains the privilege level the hart was operating in when Debug
+* Mode was entered. The encoding is described in Table
+* \ref{tab:privlevel}, and matches the privilege level encoding from
+* the RISC-V Privileged ISA Specification. A user can write this
+* value to change the hart's privilege level when exiting Debug Mode.
*/
-#define TRACE_DESTINATION_OFFSET 4
-#define TRACE_DESTINATION_LENGTH 2
-#define TRACE_DESTINATION (0x3 << TRACE_DESTINATION_OFFSET)
+#define VIRT_PRIV_PRV_OFFSET 0
+#define VIRT_PRIV_PRV_LENGTH 2
+#define VIRT_PRIV_PRV (0x3U << VIRT_PRIV_PRV_OFFSET)
+#define DMI_SERCS 0x34
/*
-* When 1, the trace logic may stall processor execution to ensure it
-* can emit all the trace sequences required. When 0 individual trace
-* sequences may be dropped.
+* Number of supported serial ports.
*/
-#define TRACE_STALL_OFFSET 2
-#define TRACE_STALL_LENGTH 1
-#define TRACE_STALL (0x1 << TRACE_STALL_OFFSET)
+#define DMI_SERCS_SERIALCOUNT_OFFSET 28
+#define DMI_SERCS_SERIALCOUNT_LENGTH 4
+#define DMI_SERCS_SERIALCOUNT (0xfU << DMI_SERCS_SERIALCOUNT_OFFSET)
+/*
+* Select which serial port is accessed by \Rserrx and \Rsertx.
+ */
+#define DMI_SERCS_SERIAL_OFFSET 24
+#define DMI_SERCS_SERIAL_LENGTH 3
+#define DMI_SERCS_SERIAL (0x7U << DMI_SERCS_SERIAL_OFFSET)
+#define DMI_SERCS_ERROR7_OFFSET 23
+#define DMI_SERCS_ERROR7_LENGTH 1
+#define DMI_SERCS_ERROR7 (0x1U << DMI_SERCS_ERROR7_OFFSET)
+#define DMI_SERCS_VALID7_OFFSET 22
+#define DMI_SERCS_VALID7_LENGTH 1
+#define DMI_SERCS_VALID7 (0x1U << DMI_SERCS_VALID7_OFFSET)
+#define DMI_SERCS_FULL7_OFFSET 21
+#define DMI_SERCS_FULL7_LENGTH 1
+#define DMI_SERCS_FULL7 (0x1U << DMI_SERCS_FULL7_OFFSET)
+#define DMI_SERCS_ERROR6_OFFSET 20
+#define DMI_SERCS_ERROR6_LENGTH 1
+#define DMI_SERCS_ERROR6 (0x1U << DMI_SERCS_ERROR6_OFFSET)
+#define DMI_SERCS_VALID6_OFFSET 19
+#define DMI_SERCS_VALID6_LENGTH 1
+#define DMI_SERCS_VALID6 (0x1U << DMI_SERCS_VALID6_OFFSET)
+#define DMI_SERCS_FULL6_OFFSET 18
+#define DMI_SERCS_FULL6_LENGTH 1
+#define DMI_SERCS_FULL6 (0x1U << DMI_SERCS_FULL6_OFFSET)
+#define DMI_SERCS_ERROR5_OFFSET 17
+#define DMI_SERCS_ERROR5_LENGTH 1
+#define DMI_SERCS_ERROR5 (0x1U << DMI_SERCS_ERROR5_OFFSET)
+#define DMI_SERCS_VALID5_OFFSET 16
+#define DMI_SERCS_VALID5_LENGTH 1
+#define DMI_SERCS_VALID5 (0x1U << DMI_SERCS_VALID5_OFFSET)
+#define DMI_SERCS_FULL5_OFFSET 15
+#define DMI_SERCS_FULL5_LENGTH 1
+#define DMI_SERCS_FULL5 (0x1U << DMI_SERCS_FULL5_OFFSET)
+#define DMI_SERCS_ERROR4_OFFSET 14
+#define DMI_SERCS_ERROR4_LENGTH 1
+#define DMI_SERCS_ERROR4 (0x1U << DMI_SERCS_ERROR4_OFFSET)
+#define DMI_SERCS_VALID4_OFFSET 13
+#define DMI_SERCS_VALID4_LENGTH 1
+#define DMI_SERCS_VALID4 (0x1U << DMI_SERCS_VALID4_OFFSET)
+#define DMI_SERCS_FULL4_OFFSET 12
+#define DMI_SERCS_FULL4_LENGTH 1
+#define DMI_SERCS_FULL4 (0x1U << DMI_SERCS_FULL4_OFFSET)
+#define DMI_SERCS_ERROR3_OFFSET 11
+#define DMI_SERCS_ERROR3_LENGTH 1
+#define DMI_SERCS_ERROR3 (0x1U << DMI_SERCS_ERROR3_OFFSET)
+#define DMI_SERCS_VALID3_OFFSET 10
+#define DMI_SERCS_VALID3_LENGTH 1
+#define DMI_SERCS_VALID3 (0x1U << DMI_SERCS_VALID3_OFFSET)
+#define DMI_SERCS_FULL3_OFFSET 9
+#define DMI_SERCS_FULL3_LENGTH 1
+#define DMI_SERCS_FULL3 (0x1U << DMI_SERCS_FULL3_OFFSET)
+#define DMI_SERCS_ERROR2_OFFSET 8
+#define DMI_SERCS_ERROR2_LENGTH 1
+#define DMI_SERCS_ERROR2 (0x1U << DMI_SERCS_ERROR2_OFFSET)
+#define DMI_SERCS_VALID2_OFFSET 7
+#define DMI_SERCS_VALID2_LENGTH 1
+#define DMI_SERCS_VALID2 (0x1U << DMI_SERCS_VALID2_OFFSET)
+#define DMI_SERCS_FULL2_OFFSET 6
+#define DMI_SERCS_FULL2_LENGTH 1
+#define DMI_SERCS_FULL2 (0x1U << DMI_SERCS_FULL2_OFFSET)
+#define DMI_SERCS_ERROR1_OFFSET 5
+#define DMI_SERCS_ERROR1_LENGTH 1
+#define DMI_SERCS_ERROR1 (0x1U << DMI_SERCS_ERROR1_OFFSET)
+#define DMI_SERCS_VALID1_OFFSET 4
+#define DMI_SERCS_VALID1_LENGTH 1
+#define DMI_SERCS_VALID1 (0x1U << DMI_SERCS_VALID1_OFFSET)
+#define DMI_SERCS_FULL1_OFFSET 3
+#define DMI_SERCS_FULL1_LENGTH 1
+#define DMI_SERCS_FULL1 (0x1U << DMI_SERCS_FULL1_OFFSET)
+/*
+* 1 when the debugger-to-core queue for serial port 0 has
+* over or underflowed. This bit will remain set until it is reset by
+* writing 1 to this bit.
+ */
+#define DMI_SERCS_ERROR0_OFFSET 2
+#define DMI_SERCS_ERROR0_LENGTH 1
+#define DMI_SERCS_ERROR0 (0x1U << DMI_SERCS_ERROR0_OFFSET)
/*
-* Writing 1 to this bit tells the trace logic that any trace
-* collected is no longer required. When tracing to RAM, it resets the
-* trace write pointer to the start of the memory, as well as
-* \Fwrapped.
+* 1 when the core-to-debugger queue for serial port 0 is not empty.
*/
-#define TRACE_DISCARD_OFFSET 1
-#define TRACE_DISCARD_LENGTH 1
-#define TRACE_DISCARD (0x1 << TRACE_DISCARD_OFFSET)
-#define TRACE_SUPPORTED_OFFSET 0
-#define TRACE_SUPPORTED_LENGTH 1
-#define TRACE_SUPPORTED (0x1 << TRACE_SUPPORTED_OFFSET)
-#define TBUFSTART 0x729
-#define TBUFEND 0x72a
-#define TBUFWRITE 0x72b
+#define DMI_SERCS_VALID0_OFFSET 1
+#define DMI_SERCS_VALID0_LENGTH 1
+#define DMI_SERCS_VALID0 (0x1U << DMI_SERCS_VALID0_OFFSET)
+/*
+* 1 when the debugger-to-core queue for serial port 0 is full.
+ */
+#define DMI_SERCS_FULL0_OFFSET 0
+#define DMI_SERCS_FULL0_LENGTH 1
+#define DMI_SERCS_FULL0 (0x1U << DMI_SERCS_FULL0_OFFSET)
+#define DMI_SERTX 0x35
+#define DMI_SERTX_DATA_OFFSET 0
+#define DMI_SERTX_DATA_LENGTH 32
+#define DMI_SERTX_DATA (0xffffffffU << DMI_SERTX_DATA_OFFSET)
+#define DMI_SERRX 0x36
+#define DMI_SERRX_DATA_OFFSET 0
+#define DMI_SERRX_DATA_LENGTH 32
+#define DMI_SERRX_DATA (0xffffffffU << DMI_SERRX_DATA_OFFSET)