target-microblaze: switch to AREG0 free mode
Add an explicit CPUState parameter instead of relying on AREG0and switch to AREG0 free mode.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
qemu-log: use LOG_UNIMP for some target CPU cases
Use LOG_UNIMP for some target CPU cases.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>Acked-by: Alexander Graf <agraf@suse.de>
Merge remote-tracking branch 'bonzini/nested-makefiles-3' into staging
target-microblaze: fix swx build breakage
The lazy initialisation of r_check was throwing an error on --enable-debug.Removed the lazy initialisation of r_check and swx_addr.
Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
build: move other target-*/ objects to nested Makefile.objs
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
build: move libobj-y variable to nested Makefile.objs
build: move obj-TARGET-y variables to nested Makefile.objs
Also drop duplicate occurrence of device-hotplug.o.
Kill off cpu_state_reset()
In commit 1bba0dc932e8826a7d030df3767daf0bc339f9a2 cpu_reset()was renamed to cpu_state_reset(), to allow introducing a new cpu_reset()that would operate on QOM objects.
All callers have been updated except for one in target-mips, so drop all...
target-microblaze: Let cpu_mb_init() return MicroBlazeCPU
Since qemu_init_vcpu() is no-op for CONFIG_USER_ONLY drop the envvariable that is now unused there.
Turn cpu_init macro into a static inline function returning CPUMBStatefor backwards compatibility....
target-microblaze: lwx/swx: first implementation
target-microblaze: impelemented swapx instructions
Implemented the swapb and swaph byte/halfword reversal instructions addedto microblaze v8.30
target-microblaze: QOM'ify CPU
Embed CPUMBState as first member of QOM MicroBlazeCPU.
Let CPUClass::reset() call cpu_state_reset() for now.
Signed-off-by: Andreas Färber <afaerber@suse.de>Tested-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>...
target-microblaze: QOM'ify CPU reset
Move code from cpu_state_reset() to QOM mb_cpu_reset().
Signed-off-by: Andreas Färber <afaerber@suse.de>Tested-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>
target-microblaze: QOM'ify CPU init
Move code from cpu_mb_init() to a QOM initfn.
Signed-off-by: Andreas Färber <afaerber@suse.de>Tested-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>[AF: Leave cpu_reset() call in cpu_mb_init()]
Use uintptr_t for various op related functions
Use uintptr_t instead of void * or unsigned long inseveral op related functions, env->mem_io_pc andGETPC macro.
Reviewed-by: Stefan Weil <sw@weilnetz.de>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
target-microblaze: added PetaLogix copyright
Microblaze cpu development has been driven and funded by PetaLogix. Added (c)PetaLogix line accordingly.
target-lm32/microblaze: Drop second CPU{LM32, MB}State typedef
Commit 9b9a970a23625de4ae6b7461906a9a0d98d3ca95(target-lm32/microblaze: Typedef struct CPU{MB,LM32}State)introduced necessary typedefs for cpu_mmu_index() and mmu.hrespectively.
On some GCC versions this leads to "error: redefinition of typedef"....
Rename CPUState -> CPUArchState
Scripted conversion: for file in .[hc] hw/.[hc] hw/kvm/*.[hc] linux-user/*.[hc] linux-user/m68k/*.[hc] bsd-user/*.[hc] darwin-user/*.[hc] tcg/*/*.[hc] target-*/cpu.h; do sed -i "s/CPUState/CPUArchState/g" $file done...
target-microblaze: Don't overuse CPUState
Scripted conversion: sed -i "s/CPUState/CPUMBState/g" target-microblaze/*.[hc] sed -i "s/#define CPUMBState/#define CPUState/" target-microblaze/cpu.h
Signed-off-by: Andreas Färber <afaerber@suse.de>Acked-by: Anthony Liguori <aliguori@us.ibm.com>
Rename cpu_reset() to cpu_state_reset()
Frees the identifier cpu_reset for QOM CPUs (manual rename).
Don't hide the parameter type behind explicit casts, use staticfunctions with strongly typed argument to indirect.
Signed-off-by: Andreas Färber <afaerber@suse.de>...
target-lm32/microblaze: Typedef struct CPU{MB,LM32}State
Signed-off-by: Andreas Färber <afaerber@suse.de>Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
target-microblaze: Clean includes
The change in cpu.h is needed when HOST_LONG_BITS is defined in qemu-common.h.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
microblaze: Break the tb at memory barriers
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
microblaze: Add support for the clz insn
microblaze: Emulate the hw stackprotector
fix spelling in target sub directory
Cc: Richard Henderson <rth@twiddle.net>Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com>Cc: Aurelien Jarno <aurelien@aurel32.net>Cc: Alexander Graf <agraf@suse.de>Cc: Aurelien Jarno <aurelien@aurel32.net>Cc: Blue Swirl <blauwirbel@gmail.com>...
softmmu_header: pass CPUState to tlb_fill
Pass CPUState pointer to tlb_fill() instead of architecture localcpu_single_env hacks.
microblaze: Make the MSR PVR bit non writable
Instead of hardcoding it to 1.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
microblaze: Add an MSR_PVR constant and use it.
Use glib memory allocation and free functions
qemu_malloc/qemu_free no longer exist after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Remove unused is_softmmu parameter from cpu_handle_mmu_fault
Parameter is_softmmu (and its evil mutant twin brother is_softmuu)is not used in cpu_*_handle_mmu_fault() functions, remove themand adjust callers.
Acked-by: Richard Henderson <rth@twiddle.net>...
microblaze: Add missing call to qemu_init_vcpu.
Fixes emulation with io-thread.
exec.h cleanup
Move softmmu_exec.h include directives from target-*/exec.h totarget-*/op_helper.c. Move also various other stuff only used inop_helper.c there.
Define global env in dyngen-exec.h.
For i386, move wrappers for segment and FPU helpers from user-exec.c...
Fix unassigned memory access handling
cea5f9a28faa528b6b1b117c9ab2d8828f473fef exposed bugs in unassigned memoryaccess handling. Fix them by always passing CPUState to the handlers.
Reported-by: Hervé Poussineau <hpoussin@reactos.org>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Remove exec-all.h include directives
Most exec-all.h include directives are now useless, remove them.
Move cpu_has_work and cpu_pc_from_tb to cpu.h
Move functions cpu_has_work() and cpu_pc_from_tb() from exec.h to cpu.h. This isneeded by later patches.
exec.h: fix coding style and change cpu_has_work to return bool
Before the next patch, fix coding style of the areas affected.
Change the type of the return value from cpu_has_work() andqemu_cpu_has_work() to bool.
cpu_loop_exit: avoid using AREG0
Make cpu_loop_exit() take a parameter for CPUState instead of relyingon global env.
Merge remote-tracking branch 'stefanha/trivial-patches' into staging
Conflicts: cpu-all.h
irq: Privatize CPU_INTERRUPT_NMI.
This interrupt name is used by i386, CRIS, and MicroBlaze.Copy the name into each target.
Signed-off-by: Richard Henderson <rth@twiddle.net>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Fix typos in comments (accross -> across)
Signed-off-by: Stefan Weil <weil@mail.berlios.de>Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Remove unused function parameter from cpu_restore_state
The previous patch removed the need for parameter puc.Is is now unused, so remove it.
Cc: Aurelien Jarno <aurelien@aurel32.net>Reviewed-by: Peter Maydell <peter.maydell@linaro.org>Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Remove unused function parameters from gen_pc_load and rename the function
Function gen_pc_load was introduced in commitd2856f1ad4c259e5766847c49acbb4e390731bd4.The only reason for parameter searched_pc wasa debug statement in target-i386/translate.c....
softfloat: rename float*_eq() into float*_eq_quiet()
float*_eq functions have a different semantics than other comparisonfunctions. Fix that by first renaming float*_quiet() into float*_eq_quiet().
Note that it is purely mechanical, and the behaviour should be unchanged....
microblaze: Add partial decoding of stream insns
Based on a patch from: Alejandro Cabrera <aldaya@gmail.com>
microblaze: Add stream-insn related constants
microblaze: Add constant for exception-code mask
microblaze: Correct MMU_ZONES mask
Signed-off-by: Alejandro Cabrera <aldaya@gmail.com>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Fix conversions from pointer to tcg_target_long
tcg_gen_exit_tb takes a parameter of type tcg_target_long,so the type casts of pointer to long should be replaced bytype casts of pointer to tcg_target_long (suggested by Blue Swirl).
These changes are needed for build environments where...
Fix trivial "endianness bugs"
Replace endianess -> endianness.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
inline cpu_halted into sole caller
All implementations are now the same, and there is only one caller,so inline the function there.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
microblaze: Add PVR for writeback cache, endians
Specify PVR for writeback cache, endians and others.
Signed-off-by: Michal Simek <monstr@monstr.eu>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
microblaze: Handle singlestepping over direct jmps
cris, microblaze: use cpu_has_work
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
microblaze: cleanup helper_addkc
Remove unused addition and rename to helper_carry.
microblaze: Improve subkc
Move code from the helper into the translator. The remaininghelper parts can reuse helper_addkc, making it possible toremove helper_subkc entirely.
microblaze: Fix 3rd addkc arg when rd is r0
microblaze: Improve addkc
microblaze: Remove debug leftovers.
No functional changes.
microblaze: Reorganize for future patches
microblaze: Add support for load/store reversed
Load/store reversed (lwr/swr) are insns that endian translatethe sub-word part of the address and byteswap the data lanes.
microblaze: Tweak comment, fast cases -> common cases
microblaze: Improve unconditional direct branching
Avoid emitting conditional tcg operations for uncoditionaldirect branches.
microblaze: Use more TB chaining
For some workloads with tight loops this ~doubles the emulationspeed.
softfloat: Rename float*_is_nan() functions to float*_is_quiet_nan()
The softfloat functions float*_is_nan() were badly misnamed,because they return true only for quiet NaNs, not for all NaNs.Rename them to float*_is_quiet_nan() to more accurately reflect...
target-xxx: Use fprintf_function (format checking)
fprintf_function uses format checking with GCC_FMT_ATTR.
Cc: Blue Swirl <blauwirbel@gmail.com>Signed-off-by: Stefan Weil <weil@mail.berlios.de>...
target-microblaze: Use %td for ptrdiff_t arguments in debug message
According to ISO/IEC 9899:1999 7.19.6.1,the correct length modifier for ptrdiff_t is 't', not 'z'.
Cc: Blue Swirl <blauwirbel@gmail.com>Cc: Markus Armbruster <armbru@redhat.com>Signed-off-by: Stefan Weil <weil@mail.berlios.de>...
microblaze: Add support for fcmp.un
microblaze: Add basic FPU emulation
microblaze: Add definitions for FSR reg fields
microblaze: Remove unused members from the disas context
microblaze: Speed up base + index addressing mode
Speed up reg + reg addressing mode when any of the regs is r0.
microblaze: Use setcond for conditional branches
Use setcond for evaluating the condition for branches.In the future, we could do better for branches withoutdelay slots.
microblaze: Improve branch with small immediates
Slight improvements of conditional branches with smallimmediate offsets.
remove exec-all.h inclusion from cpu.h
move cpu_pc_from_tb to target-*/exec.h
remove unused stuff from */exec.h
microblaze: Make MSR_UM and MSR_VM part of the tb flags
microblaze: Update elf machine nums.
189 was allocated in upstream binutils.
0xbaab was the old temporary value. Still used by some tools and thelinux kernel.
I've seen 115 in older gdb versions, but lets ignore that one.
microblaze: remove dead assignments, spotted by clang analyzer
Value stored is never read.
Large page TLB flush
QEMU uses a fixed page size for the CPU TLB. If the guest uses largepages then we effectively split these into multiple smaller pages, andpopulate the corresponding TLB entries on demand.
When the guest invalidates the TLB by virtual address we must invalidate...
Target specific usermode cleanup
Disable various target specific code that is only relevant to system emulation.
Signed-off-by: Paul Brook <paul@codesourcery.com>
Remove cpu_get_phys_page_debug from userspace emulation
cpu_get_phys_page_debug makes no sense for userspace emulation, so remove it.
Move TARGET_PHYS_ADDR_SPACE_BITS to target-*/cpu.h.
Removes a set of ifdefs from exec.c.
Introduce TARGET_VIRT_ADDR_SPACE_BITS for all targets otherthan Alpha. This will be used for page_find_alloc, which issupposed to be using virtual addresses in the first place....
microblaze: Improve brk emulation.
brk insns while in user mode raise priv insn exceptions.This commit makes gdbserver work on linux guests.
microblaze: Dont segfault when singlestepping first insn.
kill regs_to_env and env_to_regs
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
microblaze: Print content of EAR register
I need to see EAR register in output because I need to parse irqsoff problem.
Signed-off-by: Michal Simek <monstr@monstr.eu>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
microblaze: Update debug logs.
microblaze: Handle wdc flush and clear.
microblaze: Correct branch to registers.
microblaze: Restore env when raising unmapped bus access.
microblaze: Unbreak reset.
Initialize synthesis config registers at reset to cope with the newcpu_reset sequences.
Revert "Get rid of _t suffix"
In the very least, a change like this requires discussion on the list.
The naming convention is goofy and it causes a massive merge problem. Somethinglike this must be presented on the list first so people can provide input...
Get rid of _t suffix
Some not so obvious bits, slirp and Xen were left alone for the timebeing.
Signed-off-by: malc <av1474@comtv.ru>
gcc wants 1st static and then const
Signed-off-by: Juan Quintela <quintela@redhat.com>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Fix sys-queue.h conflict for good
Problem: Our file sys-queue.h is a copy of the BSD file, but there aresome additions and it's not entirely compatible. Because of that, there havebeen conflicts with system headers on BSD systems. Some hacks have beenintroduced in the commits 15cc9235840a22c289edbe064a9b3c19c5f49896,...
microblaze: Trap if QEMU finds an unknown insns.
If PVR settings enable illegal insn trap, trap when QEMU finds aninsn it knows nothing about.
microblaze: Correct prio between MMU and unaligned exceptions.
The microblaze gives MMU faults priority. For stores we stillhave a flaw that the value leaks to memory in the case of anunaligned exception.
microblaze: HW Exception fixes.