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This patch adds the EL2 Host bit to the HCR_EL2 register. Enables a
configuration where a Host Operating System is running in EL2, and the
Host Operating System's applications are running in EL0.
Change-Id: I92d21ed9f8958c58f135dca1b6a97460ba4c02f9
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10381
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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The ISA parser had been assuming these microops were all FloatAddOp
which is usually not correct.
Change-Id: Ic54881d16f16b50c3d6a8c74b94bff9ae3b1f43e
Reviewed-on: https://gem5-review.googlesource.com/10541
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Reviewed-by: Tariq Azmy <tariqslayer01@gmail.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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This patch has 2 main aspects:
1) Add new parameter to adjust write-to-write delay
2) Enable support of more than 64 banks per controller
Changes for new parameter:
Incorporated a new parameter, tCCD_L_WR, which defaults to tCCD_L.
This parameter can be used to set a unique delay between writes and
between reads.
To incorporate this parameter in the controller, modified the DRAMCtrl
class to have separate variables for read and write column delays.
Used these variables to account for tRTW, tWTR, tBURST, tCCD_L, and tCS
as well as the new tCCD_L_WR parameter.
Changes to support more than 64 banks:
Modified the logic selecting the next command (reorderQueue
and minBankPrep functions). Replaced the unint64_t variables with
a vector of uint32_t elements. There is a uint32_t element defined
per ranks to allow up to 32 banks per rank. This will automatically
scale with ranks without issue.
Change will allow analysis of memory sub-systems beyond the current
landscape.
Change-Id: I0ce466efed58276f843ad90e9ecc0ece6c37d646
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10103
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Self-refresh is entered during a refresh event, when the
rank was previously in a precharge power-down state.
The original code would enter self-refresh after a refresh
was issued. The device subsequently will issue a refresh
on self-refresh entry. On self-refresh exit, the controller
will issue another refresh command.
Devices require at least one additional refresh to be issued
between self-refresh exit and re-entry. This ensures that enough
refreshes occur in the case when the device narrowly missed a
refresh on self-refresh exit.
To minimize the number of refresh operations and still maintain
the device requirement, the current logic does the following:
1) The controller will still enter self-refresh from a refresh
event, when the previous state was precharge power-down.
However, the refresh itself will be bypassed and the controller
will immediately issue a self-refresh entry.
2) On a self-refresh exit, the controller will immediately
issue a refresh command (per the original logic). This ensures
the devices requirements are met and is a convenient way to
kick off the command state machine.
Change-Id: I1c4b0dcbfa3bdafd755f3ccd65e267fcd700c491
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10102
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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The tags in the cache keep track of the number of references to the
blocks as well as the average number of references between an
insertion and the next invalidation. Previously the stats where
updated only on block insertion and invalidations were ignored. This
changes moves the update of the counters to the block invalidation
function.
Change-Id: Ie7672c13813ec278a65232694024d2e5e17c4612
Reviewed-on: https://gem5-review.googlesource.com/10428
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
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At the moment isTouched is used in the warm-up detection mechanism but
it keeps track of the same information as isValid(). This change
removes it and substitutes its use by isValid().
Change-Id: I611ddf2fa4562ae3b3b2ed2fb74d26abd2e5ec62
Reviewed-on: https://gem5-review.googlesource.com/10427
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
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Change-Id: I25dbcfcddfe1c422a76eb1af3f726c1360d8d110
Reviewed-on: https://gem5-review.googlesource.com/10426
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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This change adds the M5_NODISCARD keyword to allow use of the
[[nodiscard]] attribute with compilers that support C++17. Currently,
C++17 is not a requirement and therefore the M5_NODISCARD has not
effect and does not break compilation for older compilers.
Change-Id: Ifc5c8f34764da3c7291066dcb2ff908c97738c3d
Reviewed-on: https://gem5-review.googlesource.com/10441
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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When we use the tempBlock to fill-in, we have to write it back and
invalidate it at the end of current transaction. This patch simplifies
the writeback flow by treating it as a regular writeback.
Change-Id: I257be7bbff211e2832ad001a4e991daf67704485
Reviewed-on: https://gem5-review.googlesource.com/10421
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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SYS_GET_CMDLINE was declared as having 1 parameter when it is really
supposed to have two parameters.
Change-Id: Ia364abb4b34834f4d5e598b5adee9585e0815ac8
Reported-by: Steve Capper <steve.capper@arm.com>
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Jack Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10022
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
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The Arm Semihosting layer currently assumes that the guest application
shares STDIO with gem5. This makes it hard to distinguish application
output from gem5's output and makes it impossible to redirect STDIN
when running in interactive mode. Add support for custom STDIO
redirection when instantiating the Semihosting model.
Change-Id: I3411a6b9bfb008ffc3087d8837f59be72bd1e8ae
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Anouk Van Laer <anouk.vanlaer@arm.com>
Reviewed-by: Jack Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10021
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
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Change-Id: I26136fb49f743c4a597f8021cfd27f78897267b5
Reviewed-on: https://gem5-review.googlesource.com/10463
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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Change-Id: If2c626544f208e15c91be975dee9253126862ced
Reviewed-on: https://gem5-review.googlesource.com/10222
Reviewed-by: Alexandru Duțu <alexandru.dutu@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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This patch updates the CSRs to match the RISC-V privileged specification
version 1.10. As interrupts, faults, and privilege levels are not yet
supported, there are no meaninful side effects that are implemented.
Performance counters are also not yet implemented, as they do not have
specifications. Currently they act as cycle counters.
Note that this implementation trusts software to use the registers
properly. Access protection, readability, and writeability of registers
based on privilege will come in a future patch.
Change-Id: I1de89bdbe369b5027911b2e6bc0425d3acaa708a
Reviewed-on: https://gem5-review.googlesource.com/7441
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Alec Roelke <ar4jc@virginia.edu>
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This patch fixes the master's name allocation in the system. The error
was occurring when a submaster was not specified in getMasterId: a
trailing separation dot was still added to the master's name.
Change-Id: I0e67900f6fdd36a61900453b55219fc7007d1b05
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10301
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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When running gem5, the simulator outputs the following message to
describe the ports used by the VNC server and ther terminal:
Listening for system connection on port 5900
Listening for system connection on port 3456
The code used to extract the basename ('terminal' or 'vncserver') and
print that instead of system. However, this doesn't seem to work any
more. Change the code to output the full object name instead.
Change-Id: Ib27f66a5f8ba64c7a875b4e2f26a2e2ff48db8f3
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Anouk Van Laer <anouk.vanlaer@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10026
Reviewed-by: Gabe Black <gabeblack@google.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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The bits and insertBits assume the first bit is the larger bit and the last
bit is the smaller bit. This commit fixes several X86 and Power calls to
these functions that incorrectly assumed that first was the smaller bit.
Change-Id: I2b5354d1b9ca66e3436c4a72042416a6ce6dec01
Reviewed-on: https://gem5-review.googlesource.com/10241
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Create a block insertion function to be used when inserting
blocks. This resets the number of references to 1 (the
insertion is taken into account), sets the insertion tick,
and set secure state.
Change-Id: Ifc34cbbd1c125207ce47912d188809221c7a157e
Reviewed-on: https://gem5-review.googlesource.com/9824
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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AArch64 ID_x_EL1 registers map to AArch32 ID_x counterparts. Those
registers must be initialized even when the highest Exception Level is
using AArch64.
Change-Id: Iccc9b6f631f5fac288116eb1ef2ad1d30c03de7b
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10361
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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Add a simple memory-mapped device that forwards writes to a serial
devices and treats reads as reads from the device. Unlike real UART
models, this one doesn't support interrupts.
This is useful to implement various debug devices that exist in many
systems.
Change-Id: I1e4300e4d3b70825a15d03f47d4e026941f9066c
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Jack Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10025
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
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Change-Id: I053fc42f0d5f678f8e3434b53a0f09e00fc3e345
Reviewed-on: https://gem5-review.googlesource.com/10221
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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Change-Id: Ic871f852c4892f2228f0d9bb3cc5cb66887d9736
Reviewed-on: https://gem5-review.googlesource.com/10201
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Implementation of a Second-Chance replacement policy. Similar to FIFO,
but every block is given a second chance if it has been touched.
Change-Id: Id4d52b698d0045a4914a4d848fdf9c3c00a28508
Reviewed-on: https://gem5-review.googlesource.com/9441
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Replacement data is specific for each replacement policy, and thus
should be instantiated differently by each policy.
Touch() and reset() do not need to be aware of CacheBlk, as they
only update its ReplacementData.
Invalidate() makes replacement policies independent of cache blocks,
by removing the awareness of the valid state.
An inheritable base ReplaceableEntry class was created to allow usage
of replacement policies with any table-like structure.
Change-Id: I998917d800fa48504ed95abffa2f1b7bfd68522b
Reviewed-on: https://gem5-review.googlesource.com/9421
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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These are non-temporal packed SSE stores.
Change-Id: I526cd6551b38d6d35010bc6173f23d017106b466
Reviewed-on: https://gem5-review.googlesource.com/9861
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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This percolates down to the memory request object which will have its
"UNCACHEABLE" flag set.
Change-Id: Ie73f4249bfcd57f45a473f220d0988856715a9ce
Reviewed-on: https://gem5-review.googlesource.com/9881
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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Change-Id: I309beb1604657e8d1807ac90458709df57f0f819
Reviewed-on: https://gem5-review.googlesource.com/10161
Reviewed-by: Gabe Black <gabeblack@google.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Brandon Potter <Brandon.Potter@amd.com>
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With this patch a gem5 System will store more info about its Masters.
While it was previously keeping track of the Master name and Master ID
only, it is now adding a per-Master pointer to the SimObject related to
the Master.
This will make it possible for a client to query a System for a Master
using either the master's name or the master's pointer.
Change-Id: I8b97d328a65cd06f329e2cdd3679451c17d2b8f6
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/9781
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Use block iteration instead of numSets and assoc in print(),
cleanupRefs() and computeStats().
This makes these functions rely solely on what they are used for:
printing and calculating stats of blocks. With the addition of
Sectors an extra indirection level is added, and thus these
functions would be skipping blocks.
Change-Id: I0006f82736cce02ba3e501ffafe9236f748daf32
Reviewed-on: https://gem5-review.googlesource.com/10143
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Change-Id: I0a9a30bc4a89411e0f1dd897f0d1f05f20790b50
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/9981
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
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An access must perform a block search, which is done by findBlock.
The tagHash is indexed by tags, so use extractTag instead of re-
implementing its functionality.
Change-Id: Ib5abacbc65cddf0f2d7e4440eb5355b56998a585
Reviewed-on: https://gem5-review.googlesource.com/10082
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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FALRU's findBlock() must use the secure flag to assure proper
functionality.
Change-Id: I54e9fbd3c9093b3e8043c4c6c850b74a8f1f5ec0
Reviewed-on: https://gem5-review.googlesource.com/10081
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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This patch adds ARMv8.1 TTBR1_EL2 register into the decodeAArch64SysReg
table, but stil leaving it unimplemented (Accessing it through MSR/MRS
causes an exception)
Change-Id: I463b86cc544233aa1ee5b2fcba689d6b9f2a874b
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10063
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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Do not print the entire ExtMachInst when disassembling an Unknown
Instruction.
Change-Id: Icd5908ec0fa430090165b2426372bdeb43c2a155
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10062
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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This patch changes the fault being thrown when MSR/MRS to an unknown
Misc register in AArch64. While previously the instruction was decoded
as an Unknown instruction (hence not printing any information), it is
now decoded as a FailUnimplemented and the unrecognized System register
numbers (CRn, op0...) are printed.
Change-Id: I205ff7adcde5934231c77e8d2250db69a34581fc
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10061
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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Implementation of a Not Recently Used replacement policy.
Change-Id: I24ab3a6f1db6dcb756b869cfebb5c4bc544170e8
Reviewed-on: https://gem5-review.googlesource.com/9001
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Some bits in CPACR_EL1 are RES0 but not RAZ/WI. For instance, bit
CPACR_EL1[31] is RES0 but should be made stateful, since it allows
programing of CPACR.ASEDIS. Therefore the masking of CPACR_EL1
is removed.
Change-Id: If1fa3fa1e06bc38495b8afce2c635f3ddf76ce32
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10046
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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Floating-point trapped exception handlings are not currently
supported in gem5, therefore the corresponding bits are RAZ/WI in
FCPR.
Change-Id: Ica43af62d5f3bbc095e8dd872f0bd365231a5b5f
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10045
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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The mapping between MISCREG_FPEXC32_EL2 and MISCREG_FPEXC was
missing, this patch adds the mapping.
Change-Id: I2e7fa0456b73662ff9f950deb5c7e648a1bdd9ca
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10043
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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This patch introduces a single global flag for setting RW access
permission at EL1 level, in either secure and non-secure mode.
Change-Id: I35df66a73349044ca996b5c04c5a2476f3a7abdf
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10042
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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This patch fixes the masking of cp10 and cp11 in CPACR according to
NSACR.cp10 / NSACR.cp11 by adding the condition "in Non-secure state,
if EL3 is implemented and is using AArch32...", which is specified in
ARM ARM.
Change-Id: Id00e7bf04d6a985e27dbf1028677da0746b79924
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10044
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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When setting TLB related MiscRegs, using explicit TLB regs invalidation
rather than implicit switch-case fallthrough
Change-Id: Ia1a7358b6d54dda3811be1c5ce5d676f8c518c4d
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10041
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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This change fixes a few bugs and refactors the mechanism by which
caches that use the FALRU tags can output statistics for multiple
cache sizes ranging from the minimum cache of interest up to the
actual configured cache size.
Change-Id: Ibea029cf275a8c068c26eceeb06c761fc53aede2
Reviewed-on: https://gem5-review.googlesource.com/9826
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Add support for TX interrupts and cleanup existing RX interrupt
handling.
Change-Id: If2e5b0c0cc6fbeb2dce09e7e9d935647516b2c47
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Sudhanshu Jha <sudhanshu.jha@arm.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/9769
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change 2a15bfd79ced20a6d4cbf0a0a4c2fbb1444b9a44 introduced
a few bugs in the tlb of the cu. asserts in the gpu tlb
and cu expected the page table lookup() function to return
a bool, and this value was used directly in the gpu tlb's
assert and it was kept in the gpu tlb entry, where later
the cu would assert that it is true.
this change fixes the issue by checking the validity of
the pte pointer returned by lookup() in order to set
the validity of the tlb entry itself.
Change-Id: Ief1f205db65f1911fd132acd314e4407c5e3ffdf
Reviewed-on: https://gem5-review.googlesource.com/10001
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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Change-Id: Ib92f8bb4ab7b61ebc96b935cb8abc42cf5ec6ac8
Reviewed-on: https://gem5-review.googlesource.com/9921
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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When EL3 is not implemented or it is running on AArch64, Secure banking
does not apply and there is only one flatten register version. In this
scenario gem5 is using the _NS (Non-secure) version as a default backing
storage location: secure mode software must be able to access the
non-secure register.
Change-Id: I5086e6228a5cba4d18c632543a2bcf80ffb069a8
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/9941
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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Move ps2.hh to dev/ps2/types.hh and update the device models to
consistently use well-known constants from this header.
Change-Id: Iadfdc774495957beb82f3d341107b1e9232ffd4c
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/9770
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The Pl050 KMI model currently has its own keyboard and mouse
models. Use the generic PS/2 interface instead.
Change-Id: I6523d26f8e38bcc8ba399d4d1a131723645d36c7
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/9767
Reviewed-by: Gabe Black <gabeblack@google.com>
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The touchscreen model used ad-hoc mechanisms to enable/disable the
device. Use standard PS/2 commands to activate/deactivate the
device. Add proper TouchKit command handling.
Change-Id: I0c5a2e2b47639f36ab3ee07e3e559f11afa54b9d
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/9768
Reviewed-by: Gabe Black <gabeblack@google.com>
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