target-lm32: Move cpu_gdb_{read,write}_register()
Acked-by: Michael Walle <michael@walle.cc>Signed-off-by: Andreas Färber <afaerber@suse.de>
gdbstub: Replace GET_REG*() macros with gdb_get_reg*() functions
This avoids polluting the global namespace with a non-prefixed macro andmakes it obvious in the call sites that we return.
Semi-automatic conversion using, e.g., sed i 's/GET_REGL(/return gdb_get_regl(mem_buf, /g' target*/gdbstub.c...
cpu: Introduce CPUClass::gdb_{read,write}_register()
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>
cpu: Introduce CPUState::gdb_num_regs and CPUClass::gdb_num_core_regs
CPUState::gdb_num_regs replaces num_g_regs.CPUClass::gdb_num_core_regs replaces NUM_CORE_REGS.
Allows building gdb_register_coprocessor() for xtensa, too.
As a side effect this should fix coprocessor register numbering for SMP....
cpu: Turn cpu_get_phys_page_debug() into a CPUClass hook
Change breakpoint_invalidate() argument to CPUState alongside.
Since all targets now assign a softmmu-only field, we can drop helperscpu_class_set_{do_unassigned_access,vmsd}() and device_class_set_vmsd()....
cpu: Introduce CPUClass::synchronize_from_tb() for cpu_pc_from_tb()
Where no extra implementation is needed, fall back to CPUClass::set_pc().
Acked-by: Michael Walle <michael@walle.cc> (for lm32)Signed-off-by: Andreas Färber <afaerber@suse.de>
cpu: Move singlestep_enabled field from CPU_COMMON to CPUState
Prepares for changing cpu_single_step() argument to CPUState.
cpu: Introduce CPUClass::set_pc() for gdb_set_cpu_pc()
This moves setting the Program Counter from gdbstub into target code.Use vaddr type as upper-bound replacement for target_ulong.
Signed-off-by: Andreas Färber <afaerber@suse.de>
log: Change log_cpu_state[_mask]() argument to CPUState
Since commit 878096eeb278a8ac1ccd6667af73e026f29b4cf5 (cpu: Turncpu_dump_{state,statistics}() into CPUState hooks) CPUArchState is nolonger needed.
Add documentation and make the functions available through qemu/log.h...
cpu: Move reset logging to CPUState
x86 was using additional CPU_DUMP_* flags, so make that configurable inCPUClass::reset_dump_flags.
This adds reset logging for alpha, unicore32 and xtensa.
Acked-by: Michael Walle <michael@walle.cc> (for lm32)Reviewed-by: Richard Henderson <rth@twiddle.net>...
target-lm32: Change gen_intermediate_code_internal() argument to LM32CPU
Also use bool type while at it.
Prepares for moving singlestep_enabled field to CPUState.
Reviewed-by: Richard Henderson <rth@twiddle.net>Signed-off-by: Andreas Färber <afaerber@suse.de>
target-lm32: gen_intermediate_code_internal() should be inlined
Cc: qemu-stable@nongnu.orgReported-by: Richard Henderson <rth@twiddle.net>Reviewed-by: Richard Henderson <rth@twiddle.net>Acked-by: Michael Walle <michael@walle.cc>Signed-off-by: Andreas Färber <afaerber@suse.de>
linux-user: Move cpu_clone_regs() and cpu_set_tls() into linux-user
The functions cpu_clone_regs() and cpu_set_tls() are not purely CPUrelated -- they are specific to the TLS ABI for a a particular OS.Move them into the linux-user/ tree where they belong....
cpu: Drop unnecessary dynamic casts in *_env_get_cpu()
A transition from CPUFooState to FooCPU can be considered safe,just like FooCPU::env access in the opposite direction.The only benefit of the FOO_CPU() casts would be protection againstbogus CPUFooState pointers, but then surrounding code would likely...
cpu: Change qemu_init_vcpu() argument to CPUState
This allows to move the call into CPUState's realizefn.Therefore move the stub into libqemustub.a.
cpu: Turn cpu_dump_{state,statistics}() into CPUState hooks
Make cpustats monitor command available unconditionally.
Prepares for changing kvm_handle_internal_error() and kvm_cpu_exec()arguments to CPUState.
hw: move headers to include/
Many of these should be cleaned up with proper qdev-/QOM-ification.Right now there are many catch-all headers in include/hw/ARCH dependingon cpu.h, and this makes it necessary to compile these files per-target.However, fixing this does not belong in these patches....
target-lm32: fix debug memory access
CPU models which have the LM32_FLAG_IGNORE_MSB flag set will shadow thelower 2GB to the upper 2GB memory space. This will fix the debug memoryaccess used by qemu console and GDB to match this behaviour.
Signed-off-by: Michael Walle <michael@walle.cc>
target-lm32: don't log cpu state in translation
Don't dump the cpu state because it can also be enabled by the "-d cpu" parameter.
target-lm32: fix cmpgui and cmpgeui opcodes
For unsigned compares the immediate has to be zero extended.
target-lm32: remove dead code
target-lm32: flush tlb after clearing env
The tlb data is stored within the CPU env. Therefore, the initializationhas to be done after we clear the environment. Otherwise the tlb will havea valid entry for address 0x0.
target-lm32: use HELPER macro
Instead of hardcoding the function name, use the HELPER macro for this.
cpu: Move halted and interrupt_request fields to CPUState
Both fields are used in VMState, thus need to be moved together.Explicitly zero them on reset since they were located beforebreakpoints.
Pass PowerPCCPU to kvmppc_handle_halt().
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
This removes a global per-target function and thus takes us one stepcloser to compiling multiple targets into one executable.
It will also allow to override the interrupt handling for certain CPU...
target-lm32: Update VMStateDescription to LM32CPU
Add a vmstate_lm32_cpu referencing the previous VMStateDescription as asub-struct and hook it up to CPUClass::vmsd. Drop cpu_{save,load}().
gen-icount.h: Rename gen_icount_start/end to gen_tb_start/end
The gen_icount_start/end functions are now somewhat misnamed since theyare useful for generic "start/end of TB" code, used for more than justicount. Rename them to gen_tb_start/end.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>...
cpu: Introduce ENV_OFFSET macros
Introduce ENV_OFFSET macros which can be used in non-target-specificcode that needs to generate TCG instructions which reference CPUStatefields given the cpu_env register that TCG targets set up with apointer to the CPUArchState struct....
qemu-log: Remove qemu_log_try_set_file() and its users
Remove the function qemu_log_try_set_file() and its users (whichare all in TCG code generation functions for various targets).This function was added to abstract out code which was originallywritten as "if (!logfile) logfile = stderr;" in order that BUG:...
cpu: Add CPUArchState pointer to CPUState
The target-specific ENV_GET_CPU() macros have allowed us to navigatefrom CPUArchState to CPUState. The reverse direction was not supported.Avoid introducing CPU_GET_ENV() macros by initializing an untypedpointer that is initialized in derived instance_init functions....
target-lm32: Drop unused cpu_lm32_close() prototype
It was never implemented.
target-lm32: Move TCG initialization to LM32CPU initfn
target-lm32: Introduce QOM realizefn for LM32CPU
Introduce a realizefn and set realized = true in cpu_lm32_init().
Also move cpu_reset() call from initfn to realizefn.
cpu: Move cpu_index field to CPUState
Note that target-alpha accesses this field from TCG, now using anegative offset. Therefore the field is placed last in CPUState.
Pass PowerPCCPU to [kvm]ppc_fixup_cpu() to facilitate this change.
Move common parts of mips cpu_state_reset() to mips_cpu_reset()....
misc: move include files to include/qemu/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
qom: move include files to include/qom/
exec: move include files to include/exec/
build: kill libdis, move disassemblers to disas/
exec: refactor cpu_restore_state
Refactor common code around calls to cpu_restore_state().
tb_find_pc() has now no external users, make it static.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
TCG: Use gen_opc_instr_start from context instead of global variable.
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
TCG: Use gen_opc_pc from context instead of global variable.
TCG: Use gen_opc_icount from context instead of global variable.
TCG: Use gen_opc_buf from context instead of global variable.
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com>Reviewed-by: Richard Henderson <rth@twiddle.net>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
TCG: Use gen_opc_ptr from context instead of global variable.
disas: avoid using cpu_single_env
Pass around CPUArchState instead of using global cpu_single_env.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>Acked-by: Richard Henderson <rth@twiddle.net>Acked-by: Aurelien Jarno <aurelien@aurel32.net>Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
cpus: Pass CPUState to [qemu_]cpu_has_work()
For target-mips also change the return type to bool.
Make include paths for cpu-qom.h consistent for alpha and unicore32.
Signed-off-by: Andreas Färber <afaerber@suse.de>[AF: Updated new target-openrisc function accordingly]...
Rename target_phys_addr_t to hwaddr
target_phys_addr_t is unwieldly, violates the C standard (_t suffixes arereserved) and its purpose doesn't match the name (most target_phys_addr_taddresses are not target specific). Replace it with a finger-friendly,...
Emit debug_insn for CPU_LOG_TB_OP_OPT as well.
For all targets that currently call tcg_gen_debug_insn_start,add CPU_LOG_TB_OP_OPT to the condition that gates it.
This is useful for comparing optimization dumps, when thepre-optimization dump is merely noise....
target-lm32: switch to AREG0 free mode
Add an explicit CPUState parameter instead of relying on AREG0and switch to AREG0 free mode.
build: move other target-*/ objects to nested Makefile.objs
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-lm32: Let cpu_lm32_init() return LM32CPU
Make the include paths for cpu-qom.h consistent to allow using LM32CPUin cpu.h.
Turn cpu_init macro into a static inline function returning CPULM32Statefor backwards compatibility.
Signed-off-by: Andreas Färber <afaerber@suse.de>...
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-lm32: QOM'ify CPU reset
Move code from cpu_state_reset() into QOM lm32_cpu_reset().
Signed-off-by: Andreas Färber <afaerber@suse.de>Acked-by: Michael Walle <michael@walle.cc>
target-lm32: QOM'ify CPU init
Move code from cpu_lm32_init() to an initfn; call cpu_reset()instead of cpu_state_reset().
target-lm32: QOM'ify CPU
Embed CPULM32State as first member of QOM LM32CPU.Let CPUClass::reset() call cpu_state_reset() for now.
target-lm32: init tcg only if available
Once qtest support for target-lm32 arrives, tcg may be disabled.
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-lm32: Don't overuse CPUState
Scripted conversion: sed -i "s/CPUState/CPULM32State/g" target-lm32/*.[hc] sed -i "s/#define CPULM32State/#define CPUState/" target-lm32/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.
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-lm32: Clean includes
config.h was missing in cpu.h.
Acked-by: Michael Walle <michael@walle.cc>Signed-off-by: Stefan Weil <sw@weilnetz.de>
lm32: add missing qemu_init_vcpu() call
softmmu_header: pass CPUState to tlb_fill
Pass CPUState pointer to tlb_fill() instead of architecture localcpu_single_env hacks.
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>...
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...
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.
Remove warning in printf due to type mismatch
----8<----qemu/target-lm32/translate.c: In function ‘gen_intermediate_code_internal’:qemu/target-lm32/translate.c:1135: warning: format ‘%zd’ expects type ‘signed size_t’, but argument 4 has type ‘int’----8<----...
target-lm32: Remove unused local variables
cppcheck report:target-lm32/translate.c:587: style: Variable 't0' is assigned a value that is never usedtarget-lm32/translate.c:588: style: Variable 'l1' is assigned a value that is never used
Remove both variables. Please check whether that is the correct solution....
lm32: fix exception handling
Global interrupt enable bit is already saved within the exception handlerhelper routine. Thus remove extra code in translation routines.
Additionally, debug exceptions has always DEBA as base address.
Signed-off-by: Michael Walle <michael@walle.cc>...
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....
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...
lm32: rename raise opcode to scall
To be consistent with the new reference manual.
Signed-off-by: Michael Walle <michael@walle.cc>Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
lm32: use lookup table for opcodes
Instead of a for loop use a faster lookup table.
lm32: todo and documentation
This patch adds general target documentation and a todo list.
LatticeMico32 target support
This patch adds support for the LatticeMico32 softcore processor by LatticeSemiconductor.
lm32: translation routines
This patch adds the main translation routine. All opcodes of theLatticeMico32 processor are supported and translated to TCG ops.
lm32: translation code helper
This patch adds translation helper functions.
lm32: machine state loading/saving
This patch adds support for saving and loading the processor state.