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2014-06-16target-ppc: Introduce DFP Helper UtilitiesTom Musta1-0/+1
Add a new file (dfp_helper.c) to the PowerPC implementation for Decimal Floating Point (DFP) emulation. This first version of the file declares a structure that will be used by DFP helpers. It also implements utilities that will initialize such a structure for either a long (64 bit) DFP instruction or an extended (128 bit, aka "quad") instruction. Some utility functions are annotated with the unused attribute in order to preserve build bisection. Signed-off-by: Tom Musta <tommusta@gmail.com> [agraf: Add never reached assert on dfp_prepare_rounding_mode()] Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25target-ppc: dump-guest-memory supportAneesh Kumar K.V1-1/+1
This patch add support for dumping guest memory using dump-guest-memory monitor command. Before patch: (qemu) dump-guest-memory testcrash this feature or command is not currently supported (qemu) After patch: (qemu) dump-guest-memory testcrash (qemu) crash was able to read the file crash> bt PID: 0 TASK: c000000000c0d0d0 CPU: 0 COMMAND: "swapper/0" R0: 0000000028000084 R1: c000000000cafa50 R2: c000000000cb05b0 R3: 0000000000000000 R4: c000000000bc4cb0 R5: 0000000000000000 R6: 001efe93b8000000 R7: 0000000000000000 R8: 0000000000000000 R9: b000000000001032 R10: 0000000000000001 R11: 0001eb2117e00d55 .... ... NOTE: Currently crash tools doesn't look at ELF notes in the dump on ppc64. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-16Makefile.target: CONFIG_NO_* variables removedÁkos Kovács1-1/+1
CONFIG_NO_* variables replaced with the lnot logical function Signed-off-by: Ákos Kovács <akoskovacs@gmx.com> [PMM: fixed a few CONFIG_NO_* uses that were missed] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-07-27cpu: Introduce CPUClass::gdb_{read,write}_register()Andreas Färber1-0/+1
Completes migration of target-specific code to new target-*/gdbstub.c. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa) Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-01PPC: Add non-kvm stub fileAlexander Graf1-0/+1
There are cases where a kvm provided function is called from generic hw code that doesn't know whether kvm is available or not. Provide a stub file which can provide simple replacement functions for those cases. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2013-03-22target-ppc: Split user only code out of mmu_helper.cDavid Gibson1-2/+2
mmu_helper.c is, for obvious reasons, almost entirely concerned with softmmu builds of qemu. However, it does contain one stub function which is used when CONFIG_USER_ONLY=y - the user only versoin of cpu_ppc_handle_mmu_fault, which always triggers an exception. The entire rest of the file is surrounded by #if !defined(CONFIG_USER_ONLY). We clean this up by moving the user only stub into its own new file, removing the ifdefs and building mmu_helper.c only when CONFIG_SOFTMMU is set. This also lets us remove the #define of cpu_handle_mmu_fault to cpu_ppc_handle_mmu_fault - that name is only used from generic code for user only - so we just name our split user version by the generic name. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2013-03-22target-ppc: Disentangle pte_check()David Gibson1-1/+1
Currently support for both 32-bit and 64-bit hash MMUs share an implementation of pte_check. But there are enough differences that this means the shared function has several very ugly conditionals on "is_64b". This patch cleans things up by separating out the 64-bit version (putting it into mmu-hash64.c) and the 32-bit hash version (putting it in mmu-hash32.c). Another copy remains in mmu_helper.c, which is used for the 6xx software loaded TLB paths. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2013-03-22target-ppc: Move SLB handling into a mmu-hash64.cDavid Gibson1-1/+4
As a first step to disentangling the handling for 64-bit hash MMUs from the rest, we move the code handling the Segment Lookaside Buffer (SLB) (which only exists on 64-bit hash MMUs) into a new mmu-hash64.c file. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2013-03-08target-ppc: Split model definitions out of translate_init.cAndreas Färber1-0/+1
Now that model definitions only reference their parent type, model definitions are independent of the family definitions and can be compiled independently of TCG translation. Keep all #if defined(TODO) code local to cpu-models.c. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2013-01-07target-ppc: Slim conversion of model definitions to QOM subclassesAndreas Färber1-2/+1
Since the model list is highly macrofied, keep ppc_def_t for now and save a pointer to it in PowerPCCPUClass. This results in a flat list of subclasses including aliases, to be refined later. Move cpu_ppc_init() to translate_init.c and drop helper.c. Long-term the idea is to turn translate_init.c into a standalone cpu.c. Inline cpu_ppc_usable() into type registration. Split cpu_ppc_register() in two by code movement into the initfn and by turning the remaining part into a realizefn. Move qemu_init_vcpu() call into the new realizefn and adapt create_ppc_opcodes() to return an Error. Change ppc_find_by_pvr() -> ppc_cpu_class_by_pvr(). Change ppc_find_by_name() -> ppc_cpu_class_by_name(). Turn -cpu host into its own subclass. This requires to move the kvm_enabled() check in ppc_cpu_class_by_name() to avoid the class being found via the normal name lookup in the !kvm_enabled() case. Turn kvmppc_host_cpu_def() into the class_init and add an initfn that asserts KVM is in fact enabled. Implement -cpu ? and the QMP equivalent in terms of subclasses. This newly exposes -cpu host to the user, ordered last for -cpu ?. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2013-01-07PPC: Bring EPR support closer to realityAlexander Graf1-1/+0
We already used to support the external proxy facility of FSL MPICs, but only implemented it halfway correctly. This patch adds support for * dynamic enablement of the EPR facility * interrupt acknowledgement only when the interrupt is delivered This way the implementation now is closer to real hardware. Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24PPC: BookE: Implement EPR SPRAlexander Graf1-0/+1
On the e500 series, accessing SPR_EPR magically turns into an access at that CPU's IACK register on the MPIC. Implement that logic to get kernels that make use of that feature work. Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Move load and store helpers, switch to AREG0 free modeBlue Swirl1-4/+3
Add an explicit CPUPPCState parameter instead of relying on AREG0 and rename op_helper.c (which only contains load and store helpers) to mem_helper.c. Remove AREG0 swapping in tlb_fill(). Switch to AREG0 free mode. Use cpu_ld{l,uw}_code in translation and interrupt handling, cpu_{ld,st}{l,uw}_data in loads and stores. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Avoid AREG0 for misc helpersBlue Swirl1-1/+0
Add an explicit CPUPPCState parameter instead of relying on AREG0. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Split off misc helpersBlue Swirl1-0/+2
Move misc helpers from op_helper.c to misc_helpers.c. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Avoid AREG0 for timebase helpersBlue Swirl1-1/+0
Add an explicit CPUPPCState parameter instead of relying on AREG0. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Split off timebase helpersBlue Swirl1-0/+2
Move decrementer and timebase helpers to a dedicated file. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Avoid AREG0 for MMU etc. helpersBlue Swirl1-1/+0
Add an explicit CPUPPCState parameter instead of relying on AREG0. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Split MMU etc. helpers from op_helper.cBlue Swirl1-0/+2
Move MMU, TLB, SLB and BAT ops to mmu_helper.c. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Avoid AREG0 for integer and vector helpersBlue Swirl1-1/+0
Add an explicit CPUPPCState parameter instead of relying on AREG0. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> [fix unwanted whitespace line in Makefile.target] Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Split integer and vector opsBlue Swirl1-0/+2
Move integer and vector ops to int_helper.c. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Avoid AREG0 for FPU and SPE helpersBlue Swirl1-1/+0
Add an explicit CPUPPCState parameter instead of relying on AREG0. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Split FPU and SPE opsBlue Swirl1-0/+2
Move FPU and SPE helpers from op_helper.c to fpu_helper.c. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Avoid AREG0 for exception helpersBlue Swirl1-1/+0
Add an explicit CPUPPCState parameter instead of relying on AREG0. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-24ppc: Split exception helpersBlue Swirl1-0/+2
Move exception helpers from op_helper.c to excp_helper.c. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-06-09target-ppc: Unbreak kvm_ppc.c buildAndreas Färber1-1/+1
The file is located in target-ppc/, not hw/. Signed-off-by: Andreas Färber <andreas.faerber@web.de> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Anthony Liguori <anthony@codemonkey.ws> Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-06-07build: move other target-*/ objects to nested Makefile.objsPaolo Bonzini1-0/+3
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-06-07build: move libobj-y variable to nested Makefile.objsPaolo Bonzini1-1/+3
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-06-07build: move obj-TARGET-y variables to nested Makefile.objsPaolo Bonzini1-0/+1
Also drop duplicate occurrence of device-hotplug.o. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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