Gabe Black [Wed, 2 Jun 2010 17:58:13 +0000 (12:58 -0500)]
ARM: Handle accesses to TLBTR.
Gabe Black [Wed, 2 Jun 2010 17:58:13 +0000 (12:58 -0500)]
ARM: Handle accesses to the DACR.
Gabe Black [Wed, 2 Jun 2010 17:58:13 +0000 (12:58 -0500)]
ARM: Handle accesses to TTBR0 and TTBR1.
Gabe Black [Wed, 2 Jun 2010 17:58:13 +0000 (12:58 -0500)]
ARM: Convert the CP15 registers from MPU to MMU.
Ali Saidi [Wed, 2 Jun 2010 17:58:13 +0000 (12:58 -0500)]
ARM: Add some support for wfi/wfe/yield/etc
Ali Saidi [Wed, 2 Jun 2010 17:58:13 +0000 (12:58 -0500)]
ARM: Move PC mode bits around so they can be used for exectrace
Ali Saidi [Wed, 2 Jun 2010 17:58:13 +0000 (12:58 -0500)]
ARM: Add a traceflag to print cpsr
Ali Saidi [Wed, 2 Jun 2010 17:58:13 +0000 (12:58 -0500)]
ARM: Undef instruction on invalid user CP15 access
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Decode the VSTR instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Implement the vstr instruction.
Ali Saidi [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: BXJ should be BX when there is no J support
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Make sure macroops aren't interrupted midinstruction.
Do this by setting the delayed commit flag for all but the last microop.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Fix the implementation of the VFP ldm and stm macroops.
There were four bugs in these instructions. First, the loaded value was being
stored into a floating point register as floating point, changing the value as
it was transfered. Second, the meaning of the "up" bit had been reversed.
Third, the statically sized microop array wasn't bit enough for all possible
inputs. It's now dynamically sized and should always be big enough. Fourth,
the offset was stored as an unsigned 8 bit value. Negative offsets would look
like moderately large positive offsets.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
Simple CPU: Make the FloatRegs trace flag do something.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Fix up thumb decoding of coproc instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Clean up some redundancy and fault behavior for unimplemented thumb MCR, MRC.
Ali Saidi [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
CPU: Reset fetch offset after a exception
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Decode the VLDR instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Implement the VLDR instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Decode all the various forms of vmov.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Make VFP load/store and 64 bit move decode correspond with CP10 and CP11.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Implement the various versions of VMOV.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Add a new RegImmOp base class.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Add a RegRegImmOp base class.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Widen the immediate fields in the misc instruction classes.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Add a function to decode VFP modified immediate constants.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Add a function to decode SIMD modified immediate constants.
Gabe Black [Wed, 2 Jun 2010 17:58:12 +0000 (12:58 -0500)]
ARM: Add fp operands to operands.isa.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Decode the VMRS instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Update the set of FP related miscregs.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Implement the VMRS instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Decode the VMSR instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Implement the VMSR instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Decode 8, 16, and 32 bit transfers between core and extension (fp) registers.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Ignore attempts to disable coprocessors that aren't implemented anyway.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Implement the udiv instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Implement the sdiv instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Ignore writing a bad mode to CPSR with MSR.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Decode the CPS instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Implement the CPS instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Decode the SRS instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Implement the SRS instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Add a base class for SRS.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Implement a badMode function that says whether a mode is legal.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Allow flattening into any mode.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Decode TBB and TBH.
Gabe Black [Wed, 2 Jun 2010 17:58:11 +0000 (12:58 -0500)]
ARM: Decode the setend instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Define the setend instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Make a base class for instructions that use only an immediate.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Decode the arm version of ldrexd.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Decode the strex instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Implement the strex instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Set CPSR.E to SCTLR.EE on faults.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Warn about not implementing MPU translation, not panic about MMU.
We'll start out with a stbu version of PMSA and switch over to VMSA for the
full implementation.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Ignore/warn on accesses to the DRBAR, DRACR, and DRSR registers.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Allow access to the RGNR register.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Make the MPUIR register report that 1 unified data region is supported.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Ignore/warn on accesses to the BPIALLIS and BPIALL registers.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Respect the E bit of the CPSR when doing loads and stores.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Zero the micropc when vectoring to a fault.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Implement the V7 version of alignment checking.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Decode the RFE instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Implement the RFE instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Add a base class for the RFE instruction.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Make sure some undefined thumb32 instructions fault.
Gabe Black [Wed, 2 Jun 2010 17:58:10 +0000 (12:58 -0500)]
ARM: Squash the low order bits of the PC when performing a regular branch.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: When changing the CPSR and branching, make sure the branch is second.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Ignore/warn when CSSELR or CCSIDR are accessed.
These registers provide information about the caches. Since we can't provide
that information, these will be harmlessly inert.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Ignore/warn access to the bpimva registers.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Ignore/warn on accesses to the dccmvac register.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Decode the enterx and leavex instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Implement the enterx and leavex instructions.
These enter and leave thumbEE mode. Currently thumbEE mode behaves exactly the
same as Thumb mode, but at least this will make it -look- like we're enter and
leaving it. The actual behavioral changes will be implemented in future
changes.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Fix the implementation of BX to work in thumbEE mode.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: When an instruction is intentionally undefined, fault on it.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Decode the thumb version of the ldrd and strd instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Explicitly keep track of the second destination for double loads/stores.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Decode the thumb32 load byte/memory hint instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Decode the load halfword, memory hints instructions for 32 bit Thumb.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Ignore/warn on accesses to icimvau.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Ignore/warn on iciallu.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Ignore/warn on ICIALLUIS.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Add support for the clidr register.
This register will always report 0 caches as implemented. It's not clear how
to find out how many there really are when dealing with an arbitrary
hierarchy.
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Decode the unimplemented data barrier CP15 accesses.
These are CP15DSB (Data Synchronization Barrier), and CP15DMB (Data Memory
Barrier).
Gabe Black [Wed, 2 Jun 2010 17:58:09 +0000 (12:58 -0500)]
ARM: Implement a stub of CPACR.
This register controls access to the coprocessors. This doesn't actually
implement it, it allows writes which don't turn anything off. In other words,
it allows the simulated program to ask for what it already has.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Actually write the value of sctlr in ISA.clear().
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Replace the ARM decode of CP15 MCR and MRC instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Decode the unimplemented cp15 instruction barrier.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Ignore accesses to DCCIMVAC.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Allow accesses to the software thread id registers.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Allow accesses to the contextidr register.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Warn about and ignore accesses to DCCISW.
This register is supposed to "Clean and invalidate data or unified cache line
by set/way." Since there isn't a good way to do that, we'll just ignore these
and warn about it.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Decode the thumb versions of the mcr and mrc instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Implement the mrc and mcr instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Rename the RevOp base class to something more generic.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Add a version of the Dest and Op1 operands for accessing the MiscRegs.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Implement a function to decode CP15 registers to MiscReg indices.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Decode the bfi and bfc instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Implement the bfc and bfi instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Decode the ubfx and sbfx instructions.
Gabe Black [Wed, 2 Jun 2010 17:58:08 +0000 (12:58 -0500)]
ARM: Decode miscellaneous arm mode media instructions.