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Diffstat (limited to 'fesvr/debug_defines.h')
| -rw-r--r-- | fesvr/debug_defines.h | 1418 |
1 files changed, 1418 insertions, 0 deletions
diff --git a/fesvr/debug_defines.h b/fesvr/debug_defines.h new file mode 100644 index 0000000..e5f9291 --- /dev/null +++ b/fesvr/debug_defines.h @@ -0,0 +1,1418 @@ +#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. + */ +#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_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 (0x1 << 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 (0x1 << 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. +* +* 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_DTMCS_IDLE_OFFSET 12 +#define DTM_DTMCS_IDLE_LENGTH 3 +#define DTM_DTMCS_IDLE (0x7 << DTM_DTMCS_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_DTMCS_DMISTAT_OFFSET 10 +#define DTM_DTMCS_DMISTAT_LENGTH 2 +#define DTM_DTMCS_DMISTAT (0x3 << DTM_DTMCS_DMISTAT_OFFSET) +/* +* The size of \Faddress in \Rdmi. + */ +#define DTM_DTMCS_ABITS_OFFSET 4 +#define DTM_DTMCS_ABITS_LENGTH 6 +#define DTM_DTMCS_ABITS (0x3f << DTM_DTMCS_ABITS_OFFSET) +/* +* 0: Version described in spec version 0.11. +* +* 1: Version described in spec version 0.13 (and later?), which +* reduces the DMI data width to 32 bits. +* +* Other values are reserved for future use. + */ +#define DTM_DTMCS_VERSION_OFFSET 0 +#define DTM_DTMCS_VERSION_LENGTH 4 +#define DTM_DTMCS_VERSION (0xf << DTM_DTMCS_VERSION_OFFSET) +#define DTM_DMI 0x11 +/* +* 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 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, e.g. +* in the System Bus and Serial Port overflow/underflow cases. +* +* 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 (0x3L << DTM_DMI_OP_OFFSET) +#define CSR_DCSR 0x7b0 +/* +* 0: There is no external debug support. +* +* 4: External debug support exists as it is described in this document. + */ +#define CSR_DCSR_XDEBUGVER_OFFSET 28 +#define CSR_DCSR_XDEBUGVER_LENGTH 4 +#define CSR_DCSR_XDEBUGVER (0xf << CSR_DCSR_XDEBUGVER_OFFSET) +/* +* 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 Debug Mode. + */ +#define CSR_DCSR_EBREAKH_OFFSET 14 +#define CSR_DCSR_EBREAKH_LENGTH 1 +#define CSR_DCSR_EBREAKH (0x1 << CSR_DCSR_EBREAKH_OFFSET) +/* +* 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) +/* +* When 1, {\tt ebreak} instructions in User/Application Mode enter +* Debug Mode. + */ +#define CSR_DCSR_EBREAKU_OFFSET 12 +#define CSR_DCSR_EBREAKU_LENGTH 1 +#define CSR_DCSR_EBREAKU (0x1 << CSR_DCSR_EBREAKU_OFFSET) +/* +* 0: Increment counters as usual. +* +* 1: Don't increment any counters while in Debug Mode. This includes +* 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_STOPCOUNT_OFFSET 10 +#define CSR_DCSR_STOPCOUNT_LENGTH 1 +#define CSR_DCSR_STOPCOUNT (0x1 << CSR_DCSR_STOPCOUNT_OFFSET) +/* +* 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 +* the feature is supported. + */ +#define CSR_DCSR_STOPTIME_OFFSET 9 +#define CSR_DCSR_STOPTIME_LENGTH 1 +#define CSR_DCSR_STOPTIME (0x1 << CSR_DCSR_STOPTIME_OFFSET) +/* +* Explains why Debug Mode was entered. +* +* When there are multiple reasons to enter Debug Mode in a single +* cycle, the cause with the highest priority is the one written. +* +* 1: An {\tt ebreak} instruction was executed. (priority 3) +* +* 2: The Trigger Module caused a halt. (priority 4) +* +* 3: \Fhaltreq was set. (priority 2) +* +* 4: The hart single stepped because \Fstep was set. (priority 1) +* +* 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) +/* +* When set and not in Debug Mode, the hart will only execute a single +* instruction and then enter Debug Mode. +* Interrupts are disabled when this bit is set. +* 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) +/* +* Contains the privilege level the hart was operating in when Debug +* 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 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 +* change to it, the hart may change to any supported privilege level. + */ +#define CSR_DCSR_PRV_OFFSET 0 +#define CSR_DCSR_PRV_LENGTH 2 +#define CSR_DCSR_PRV (0x3 << 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_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. The remaining bits +* in this register act as described in \Rmcontrol. +* +* 3: The trigger is an instruction count trigger. The remaining bits +* in this register act as described in \Ricount. +* +* 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_HMODE_OFFSET XLEN-5 +#define CSR_TDATA1_HMODE_LENGTH 1 +#define CSR_TDATA1_HMODE (0x1L << CSR_TDATA1_HMODE_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 virtual 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 \Fhmode 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 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 (0x1L << 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 (0x1L << 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 (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 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 (0x1L << CSR_ICOUNT_M_OFFSET) +/* +* When set, every instruction completed or exception taken in 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 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 (0x1L << 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 (0x1L << 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 \Fhmode 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 DMI_DMSTATUS 0x11 +/* +* This field is 1 when all currently selected harts have acknowledged the previous \Fresumereq. + */ +#define DMI_DMSTATUS_ALLRESUMEACK_OFFSET 17 +#define DMI_DMSTATUS_ALLRESUMEACK_LENGTH 1 +#define DMI_DMSTATUS_ALLRESUMEACK (0x1 << DMI_DMSTATUS_ALLRESUMEACK_OFFSET) +/* +* This field is 1 when any currently selected hart has acknowledged the previous \Fresumereq. + */ +#define DMI_DMSTATUS_ANYRESUMEACK_OFFSET 16 +#define DMI_DMSTATUS_ANYRESUMEACK_LENGTH 1 +#define DMI_DMSTATUS_ANYRESUMEACK (0x1 << 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 (0x1 << 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 (0x1 << 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 (0x1 << 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 (0x1 << 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 (0x1 << 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 (0x1 << 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 (0x1 << 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 (0x1 << 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 (0x1 << 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 (0x1 << DMI_DMSTATUS_AUTHBUSY_OFFSET) +#define DMI_DMSTATUS_CFGSTRVALID_OFFSET 4 +#define DMI_DMSTATUS_CFGSTRVALID_LENGTH 1 +#define DMI_DMSTATUS_CFGSTRVALID (0x1 << DMI_DMSTATUS_CFGSTRVALID_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. + */ +#define DMI_DMSTATUS_VERSION_OFFSET 0 +#define DMI_DMSTATUS_VERSION_LENGTH 4 +#define DMI_DMSTATUS_VERSION (0xf << DMI_DMSTATUS_VERSION_OFFSET) +#define DMI_DMCONTROL 0x10 +/* +* Halt request signal 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 should be cleared to 0 before the hart is resumed. +* Setting both \Fhaltreq and \Fresumereq leads to undefined behavior. +* +* 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 (0x1 << DMI_DMCONTROL_HALTREQ_OFFSET) +/* +* Resume request signal for all currently selected harts. When set to 1, +* each selected hart will resume if it is currently halted. +* Setting both \Fhaltreq and \Fresumereq leads to undefined behavior. +* +* 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 (0x1 << DMI_DMCONTROL_RESUMEREQ_OFFSET) +/* +* This optional bit controls reset to 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 (0x1 << DMI_DMCONTROL_HARTRESET_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 (0x1 << 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 10 +#define DMI_DMCONTROL_HARTSEL (0x3ff << DMI_DMCONTROL_HARTSEL_OFFSET) +/* +* This bit controls the reset signal from the DM to the rest of the +* system. To perform a system reset the debugger writes 1, +* and then writes 0 +* to deassert the reset. This bit must not reset the Debug Module +* registers. What it does reset is platform-specific (it may +* reset nothing). + */ +#define DMI_DMCONTROL_NDMRESET_OFFSET 1 +#define DMI_DMCONTROL_NDMRESET_LENGTH 1 +#define DMI_DMCONTROL_NDMRESET (0x1 << 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 (0x1 << 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 (0xf << 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 (0x1 << 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. + */ +#define DMI_HARTINFO_DATASIZE_OFFSET 12 +#define DMI_HARTINFO_DATASIZE_LENGTH 4 +#define DMI_HARTINFO_DATASIZE (0xf << 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. + */ +#define DMI_HARTINFO_DATAADDR_OFFSET 0 +#define DMI_HARTINFO_DATAADDR_LENGTH 12 +#define DMI_HARTINFO_DATAADDR (0xfff << 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 (0x1 << 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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_HALT31_0_OFFSET 0 +#define DMI_HALTSUM_HALT31_0_LENGTH 1 +#define DMI_HALTSUM_HALT31_0 (0x1 << 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 (0x1f << DMI_HAWINDOWSEL_HAWINDOWSEL_OFFSET) +#define DMI_HAWINDOW 0x15 +#define DMI_HAWINDOW_MASKDATA_OFFSET 0 +#define DMI_HAWINDOW_MASKDATA_LENGTH 32 +#define DMI_HAWINDOW_MASKDATA (0xffffffff << DMI_HAWINDOW_MASKDATA_OFFSET) +#define DMI_ABSTRACTCS 0x16 +/* +* Size of the Program Buffer, in 32-bit words. Valid sizes are 0 - 16. +* +* TODO: Explain what can be done with each size of the buffer, to suggest +* why you would want more or less words. + */ +#define DMI_ABSTRACTCS_PROGSIZE_OFFSET 24 +#define DMI_ABSTRACTCS_PROGSIZE_LENGTH 5 +#define DMI_ABSTRACTCS_PROGSIZE (0x1f << DMI_ABSTRACTCS_PROGSIZE_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 (0x1 << 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 (0x7 << 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 5 +#define DMI_ABSTRACTCS_DATACOUNT (0x1f << 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 (0xff << 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 (0xffffff << DMI_COMMAND_CONTROL_OFFSET) +#define DMI_ABSTRACTAUTO 0x18 +/* +* When a bit in this field is 1, read or write accesses 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 (0xffff << DMI_ABSTRACTAUTO_AUTOEXECPROGBUF_OFFSET) +/* +* When a bit in this field is 1, read or write accesses 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 (0xfff << DMI_ABSTRACTAUTO_AUTOEXECDATA_OFFSET) +#define DMI_CFGSTRADDR0 0x19 +#define DMI_CFGSTRADDR0_ADDR_OFFSET 0 +#define DMI_CFGSTRADDR0_ADDR_LENGTH 32 +#define DMI_CFGSTRADDR0_ADDR (0xffffffff << DMI_CFGSTRADDR0_ADDR_OFFSET) +#define DMI_CFGSTRADDR1 0x1a +#define DMI_CFGSTRADDR2 0x1b +#define DMI_CFGSTRADDR3 0x1c +#define DMI_DATA0 0x04 +#define DMI_DATA0_DATA_OFFSET 0 +#define DMI_DATA0_DATA_LENGTH 32 +#define DMI_DATA0_DATA (0xffffffff << 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 (0xffffffff << 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 (0xffffffff << DMI_AUTHDATA_DATA_OFFSET) +#define DMI_SERCS 0x34 +/* +* Number of supported serial ports. + */ +#define DMI_SERCS_SERIALCOUNT_OFFSET 28 +#define DMI_SERCS_SERIALCOUNT_LENGTH 4 +#define DMI_SERCS_SERIALCOUNT (0xf << 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 (0x7 << DMI_SERCS_SERIAL_OFFSET) +#define DMI_SERCS_ERROR7_OFFSET 23 +#define DMI_SERCS_ERROR7_LENGTH 1 +#define DMI_SERCS_ERROR7 (0x1 << DMI_SERCS_ERROR7_OFFSET) +#define DMI_SERCS_VALID7_OFFSET 22 +#define DMI_SERCS_VALID7_LENGTH 1 +#define DMI_SERCS_VALID7 (0x1 << DMI_SERCS_VALID7_OFFSET) +#define DMI_SERCS_FULL7_OFFSET 21 +#define DMI_SERCS_FULL7_LENGTH 1 +#define DMI_SERCS_FULL7 (0x1 << DMI_SERCS_FULL7_OFFSET) +#define DMI_SERCS_ERROR6_OFFSET 20 +#define DMI_SERCS_ERROR6_LENGTH 1 +#define DMI_SERCS_ERROR6 (0x1 << DMI_SERCS_ERROR6_OFFSET) +#define DMI_SERCS_VALID6_OFFSET 19 +#define DMI_SERCS_VALID6_LENGTH 1 +#define DMI_SERCS_VALID6 (0x1 << DMI_SERCS_VALID6_OFFSET) +#define DMI_SERCS_FULL6_OFFSET 18 +#define DMI_SERCS_FULL6_LENGTH 1 +#define DMI_SERCS_FULL6 (0x1 << DMI_SERCS_FULL6_OFFSET) +#define DMI_SERCS_ERROR5_OFFSET 17 +#define DMI_SERCS_ERROR5_LENGTH 1 +#define DMI_SERCS_ERROR5 (0x1 << DMI_SERCS_ERROR5_OFFSET) +#define DMI_SERCS_VALID5_OFFSET 16 +#define DMI_SERCS_VALID5_LENGTH 1 +#define DMI_SERCS_VALID5 (0x1 << DMI_SERCS_VALID5_OFFSET) +#define DMI_SERCS_FULL5_OFFSET 15 +#define DMI_SERCS_FULL5_LENGTH 1 +#define DMI_SERCS_FULL5 (0x1 << DMI_SERCS_FULL5_OFFSET) +#define DMI_SERCS_ERROR4_OFFSET 14 +#define DMI_SERCS_ERROR4_LENGTH 1 +#define DMI_SERCS_ERROR4 (0x1 << DMI_SERCS_ERROR4_OFFSET) +#define DMI_SERCS_VALID4_OFFSET 13 +#define DMI_SERCS_VALID4_LENGTH 1 +#define DMI_SERCS_VALID4 (0x1 << DMI_SERCS_VALID4_OFFSET) +#define DMI_SERCS_FULL4_OFFSET 12 +#define DMI_SERCS_FULL4_LENGTH 1 +#define DMI_SERCS_FULL4 (0x1 << DMI_SERCS_FULL4_OFFSET) +#define DMI_SERCS_ERROR3_OFFSET 11 +#define DMI_SERCS_ERROR3_LENGTH 1 +#define DMI_SERCS_ERROR3 (0x1 << DMI_SERCS_ERROR3_OFFSET) +#define DMI_SERCS_VALID3_OFFSET 10 +#define DMI_SERCS_VALID3_LENGTH 1 +#define DMI_SERCS_VALID3 (0x1 << DMI_SERCS_VALID3_OFFSET) +#define DMI_SERCS_FULL3_OFFSET 9 +#define DMI_SERCS_FULL3_LENGTH 1 +#define DMI_SERCS_FULL3 (0x1 << DMI_SERCS_FULL3_OFFSET) +#define DMI_SERCS_ERROR2_OFFSET 8 +#define DMI_SERCS_ERROR2_LENGTH 1 +#define DMI_SERCS_ERROR2 (0x1 << DMI_SERCS_ERROR2_OFFSET) +#define DMI_SERCS_VALID2_OFFSET 7 +#define DMI_SERCS_VALID2_LENGTH 1 +#define DMI_SERCS_VALID2 (0x1 << DMI_SERCS_VALID2_OFFSET) +#define DMI_SERCS_FULL2_OFFSET 6 +#define DMI_SERCS_FULL2_LENGTH 1 +#define DMI_SERCS_FULL2 (0x1 << DMI_SERCS_FULL2_OFFSET) +#define DMI_SERCS_ERROR1_OFFSET 5 +#define DMI_SERCS_ERROR1_LENGTH 1 +#define DMI_SERCS_ERROR1 (0x1 << DMI_SERCS_ERROR1_OFFSET) +#define DMI_SERCS_VALID1_OFFSET 4 +#define DMI_SERCS_VALID1_LENGTH 1 +#define DMI_SERCS_VALID1 (0x1 << DMI_SERCS_VALID1_OFFSET) +#define DMI_SERCS_FULL1_OFFSET 3 +#define DMI_SERCS_FULL1_LENGTH 1 +#define DMI_SERCS_FULL1 (0x1 << 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 (0x1 << DMI_SERCS_ERROR0_OFFSET) +/* +* 1 when the core-to-debugger queue for serial port 0 is not empty. + */ +#define DMI_SERCS_VALID0_OFFSET 1 +#define DMI_SERCS_VALID0_LENGTH 1 +#define DMI_SERCS_VALID0 (0x1 << 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 (0x1 << DMI_SERCS_FULL0_OFFSET) +#define DMI_SERTX 0x35 +#define DMI_SERTX_DATA_OFFSET 0 +#define DMI_SERTX_DATA_LENGTH 32 +#define DMI_SERTX_DATA (0xffffffff << DMI_SERTX_DATA_OFFSET) +#define DMI_SERRX 0x36 +#define DMI_SERRX_DATA_OFFSET 0 +#define DMI_SERRX_DATA_LENGTH 32 +#define DMI_SERRX_DATA (0xffffffff << DMI_SERRX_DATA_OFFSET) +#define DMI_SBCS 0x38 +/* +* When a 1 is written here, triggers a read at the address in {\tt +* sbaddress} using the access size set by \Fsbaccess. + */ +#define DMI_SBCS_SBSINGLEREAD_OFFSET 20 +#define DMI_SBCS_SBSINGLEREAD_LENGTH 1 +#define DMI_SBCS_SBSINGLEREAD (0x1 << DMI_SBCS_SBSINGLEREAD_OFFSET) +/* +* Select the access size to use for system bus accesses triggered by +* writes to the {\tt sbaddress} registers or \Rsbdatazero. +* +* 0: 8-bit +* +* 1: 16-bit +* +* 2: 32-bit +* +* 3: 64-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. + */ +#define DMI_SBCS_SBACCESS_OFFSET 17 +#define DMI_SBCS_SBACCESS_LENGTH 3 +#define DMI_SBCS_SBACCESS (0x7 << 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. + */ +#define DMI_SBCS_SBAUTOINCREMENT_OFFSET 16 +#define DMI_SBCS_SBAUTOINCREMENT_LENGTH 1 +#define DMI_SBCS_SBAUTOINCREMENT (0x1 << DMI_SBCS_SBAUTOINCREMENT_OFFSET) +/* +* When 1, every read from \Rsbdatazero automatically triggers a system +* bus read at the new address. + */ +#define DMI_SBCS_SBAUTOREAD_OFFSET 15 +#define DMI_SBCS_SBAUTOREAD_LENGTH 1 +#define DMI_SBCS_SBAUTOREAD (0x1 << DMI_SBCS_SBAUTOREAD_OFFSET) +/* +* When the debug module's system bus +* 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. +* +* 1: There was a timeout. +* +* 2: A bad address was accessed. +* +* 3: There was some other error (eg. alignment). +* +* 4: The system bus master was busy when 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) +/* +* 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) +/* +* 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) +/* +* 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) +/* +* 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) +/* +* 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) +/* +* 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 0x39 +/* +* Accesses bits 31:0 of the internal address. + */ +#define DMI_SBADDRESS0_ADDRESS_OFFSET 0 +#define DMI_SBADDRESS0_ADDRESS_LENGTH 32 +#define DMI_SBADDRESS0_ADDRESS (0xffffffff << DMI_SBADDRESS0_ADDRESS_OFFSET) +#define DMI_SBADDRESS1 0x3a +/* +* Accesses bits 63:32 of the internal address (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 0x3b +/* +* Accesses bits 95:64 of the internal address (if the system address +* bus is that wide). + */ +#define DMI_SBADDRESS2_ADDRESS_OFFSET 0 +#define DMI_SBADDRESS2_ADDRESS_LENGTH 32 +#define DMI_SBADDRESS2_ADDRESS (0xffffffff << DMI_SBADDRESS2_ADDRESS_OFFSET) +#define DMI_SBDATA0 0x3c +/* +* Accesses bits 31:0 of the internal data. + */ +#define DMI_SBDATA0_DATA_OFFSET 0 +#define DMI_SBDATA0_DATA_LENGTH 32 +#define DMI_SBDATA0_DATA (0xffffffff << DMI_SBDATA0_DATA_OFFSET) +#define DMI_SBDATA1 0x3d +/* +* Accesses bits 63:32 of the internal data (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 0x3e +/* +* Accesses bits 95:64 of the internal data (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 0x3f +/* +* Accesses bits 127:96 of the internal data (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 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. + */ +#define TRACE_EMITBRANCH_OFFSET 17 +#define TRACE_EMITBRANCH_LENGTH 1 +#define TRACE_EMITBRANCH (0x1 << TRACE_EMITBRANCH_OFFSET) +/* +* Emit PC trace sequences. + */ +#define TRACE_EMITPC_OFFSET 16 +#define TRACE_EMITPC_LENGTH 1 +#define TRACE_EMITPC (0x1 << TRACE_EMITPC_OFFSET) +/* +* 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. + */ +#define TRACE_FULLACTION_OFFSET 8 +#define TRACE_FULLACTION_LENGTH 2 +#define TRACE_FULLACTION (0x3 << TRACE_FULLACTION_OFFSET) +/* +* 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). + */ +#define TRACE_DESTINATION_OFFSET 4 +#define TRACE_DESTINATION_LENGTH 2 +#define TRACE_DESTINATION (0x3 << TRACE_DESTINATION_OFFSET) +/* +* 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. + */ +#define TRACE_STALL_OFFSET 2 +#define TRACE_STALL_LENGTH 1 +#define TRACE_STALL (0x1 << TRACE_STALL_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. + */ +#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 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 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 (0xff << AC_ACCESS_REGISTER_CMDTYPE_OFFSET) +/* +* 2: Access the lowest 32 bits of the register. +* +* 3: Access the lowest 64 bits of the register. +* +* 4: Access the lowest 128 bits of the register. +* +* 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 AC_ACCESS_REGISTER_SIZE_OFFSET 20 +#define AC_ACCESS_REGISTER_SIZE_LENGTH 3 +#define AC_ACCESS_REGISTER_SIZE (0x7 << AC_ACCESS_REGISTER_SIZE_OFFSET) +/* +* When 1, execute the program in the Program Buffer exactly once +* after performing the transfer, if any. + */ +#define AC_ACCESS_REGISTER_POSTEXEC_OFFSET 18 +#define AC_ACCESS_REGISTER_POSTEXEC_LENGTH 1 +#define AC_ACCESS_REGISTER_POSTEXEC (0x1 << AC_ACCESS_REGISTER_POSTEXEC_OFFSET) +/* +* 0: Don't do the operation specified by \Fwrite. +* +* 1: Do the operation specified by \Fwrite. + */ +#define AC_ACCESS_REGISTER_TRANSFER_OFFSET 17 +#define AC_ACCESS_REGISTER_TRANSFER_LENGTH 1 +#define AC_ACCESS_REGISTER_TRANSFER (0x1 << AC_ACCESS_REGISTER_TRANSFER_OFFSET) +/* +* When \Ftransfer is set: +* 0: Copy data from the specified register into {\tt arg0} portion +* of {\tt data}. +* +* 1: Copy data from {\tt arg0} portion of {\tt data} into the +* specified register. + */ +#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) +/* +* 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 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 +/* +* This is 1 to indicate Quick Access command. + */ +#define AC_QUICK_ACCESS_CMDTYPE_OFFSET 24 +#define AC_QUICK_ACCESS_CMDTYPE_LENGTH 8 +#define AC_QUICK_ACCESS_CMDTYPE (0xff << AC_QUICK_ACCESS_CMDTYPE_OFFSET) +#define VIRT_PRIV virtual +/* +* Contains the privilege level the hart was operating in when Debug +* Mode was entered. The encoding is described in Table +* \ref{tab:privlevel}. A user can write this value to change the +* hart's privilege level when exiting Debug Mode. + */ +#define VIRT_PRIV_PRV_OFFSET 0 +#define VIRT_PRIV_PRV_LENGTH 2 +#define VIRT_PRIV_PRV (0x3 << VIRT_PRIV_PRV_OFFSET) |