Both fields are used in VMState, thus need to be moved together.
Explicitly zero them on reset since they were located before
breakpoints.
Pass PowerPCCPU to kvmppc_handle_halt().
Signed-off-by: Andreas Färber <afaerber@suse.de>
The gen_icount_start/end functions are now somewhat misnamed since they
are useful for generic "start/end of TB" code, used for more than just
icount. Rename them to gen_tb_start/end.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Introduce ENV_OFFSET macros which can be used in non-target-specific
code that needs to generate TCG instructions which reference CPUState
fields given the cpu_env register that TCG targets set up with a
pointer to the CPUArchState struct.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The target-specific ENV_GET_CPU() macros have allowed us to navigate
from CPUArchState to CPUState. The reverse direction was not supported.
Avoid introducing CPU_GET_ENV() macros by initializing an untyped
pointer that is initialized in derived instance_init functions.
The field may not be called "env" due to it being poisoned.
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Update the alpha_cpu_realize() signature and hook up to
DeviceClass::realize. Set realized = true in cpu_alpha_init().
qapi/error.h is included through qdev now and no longer needed.
Acked-by: Richard Henderson <rth@twiddle.net>
[AF: Invoke parent's realizefn]
Signed-off-by: Andreas Färber <afaerber@suse.de>
Check in alpha_cpu_class_by_name() whether the type found is actually
(a sub-type of) TYPE_ALPHA_CPU.
This fixes, e.g., -cpu typhoon-pcihost asserting.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Introduce CPUClass::class_by_name and add a default implementation.
Hook up the alpha and ppc implementations.
Introduce a wrapper function cpu_class_by_name().
Signed-off-by: Andreas Färber <afaerber@suse.de>
Note that target-alpha accesses this field from TCG, now using a
negative 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().
Acked-by: Richard Henderson <rth@twiddle.net> (for alpha)
[AF: Rebased onto ppc CPU subclasses and openpic changes]
Signed-off-by: Andreas Färber <afaerber@suse.de>
Turn the *-user macro into a no-op inline function to avoid
unused-variable warnings and band-aiding #ifdef'ery.
This allows to drop an #ifdef for alpha and avoids more for unicore32
and other upcoming trivial realizefn implementations.
Suggested-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
This generalizes {ARM,M68k,Alpha}CPUListState to avoid declaring it for
each target. Place it in cpu-common.h to avoid circular dependencies.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Make TYPE_ALPHA_CPU abstract and add types <name>-alpha-cpu.
Use type inheritence, and turn "2*" models into aliases.
Move cpu_alpha_init() to cpu.c and split out CPU realization.
Default to creating type "ev67-alpha-cpu" as before.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Richard Henderson <rth@twiddle.net>
Move the timer from CPUAlphaState to AlphaCPU to avoid the pointer being
zero'ed once we implement reset. Would cause a segfault in
sys_helper.c:helper_set_alarm().
This also simplifies timer initialization in Typhoon.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Richard Henderson <rth@twiddle.net>
Replace cpu_init() macro with inline function for backwards
compatibility.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Richard Henderson <rth@twiddle.net>
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>
These fields are no longer (or were never?) used.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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>
Mark helper functions that raise exceptions, but otherwise do not
change TCG register state, with TCG_CALL_NO_WG.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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]
Acked-by: Richard Henderson <rth@twiddle.net> (for alpha)
Rename helper flags to the new ones. This is purely a mechanical change,
it's possible to use better flags by looking at the helpers.
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
target_phys_addr_t is unwieldly, violates the C standard (_t suffixes are
reserved) and its purpose doesn't match the name (most target_phys_addr_t
addresses are not target specific). Replace it with a finger-friendly,
standards conformant hwaddr.
Outstanding patchsets can be fixed up with the command
git rebase -i --exec 'find -name "*.[ch]"
| xargs s/target_phys_addr_t/hwaddr/g' origin
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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 the
pre-optimization dump is merely noise.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
For proper cmov insns, as well as the non-goto-tb case
of conditional branch.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Save the cpu_model_str so that we have a non-null value when
creating a new cpu during clone.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Use uintptr_t instead of void * or unsigned long in
several op related functions, env->mem_io_pc and
GETPC() macro.
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The official spelling is QEMU.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
[blauwirbel@gmail.com: fixed comment style in hw/sun4m.c]
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The official spelling is QEMU.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This softfp feature post-dates the last major update to the Alpha
fpu translation. We can make use of this to eliminate at least
one helper function that was performing this operation by hand.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This completes the transition away from AREG0. This patch must
be last because it requires CONFIG_TCG_PASS_AREG0 set too.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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
All occurrences of CPUArchState are expected to be replaced by QOM CPUState,
once all targets are QOM'ified and common fields have been extracted.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Scripted conversion:
sed -i "s/CPUState/CPUAlphaState/g" target-alpha/*.[hc]
sed -i "s/#define CPUAlphaState/#define CPUState/" target-alpha/cpu.h
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Anthony Liguori <aliguori@us.ibm.com>
The change in cpu.h is needed when HOST_LONG_BITS is defined in qemu-common.h.
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
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>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
The alarm is a fully general one-shot time comparator, which will be
usable under Linux as a hrtimer source. It's much more flexible than
the RTC source available on real hardware.
The wall clock allows the guest access to the host timekeeping. Much
like the KVM wall clock source for other guests.
Both are accessed via the PALcode Cserve entry point.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Parameter is_softmmu (and its evil mutant twin brother is_softmuu)
is not used in cpu_*_handle_mmu_fault() functions, remove them
and adjust callers.
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Move softmmu_exec.h include directives from target-*/exec.h to
target-*/op_helper.c. Move also various other stuff only used in
op_helper.c there.
Define global env in dyngen-exec.h.
For i386, move wrappers for segment and FPU helpers from user-exec.c
to op_helper.c. Implement raise_exception_err_env() to handle dynamic
CPUState. Move the function declarations to cpu.h since they can be
used outside of op_helper.c context.
LM32, s390x, UniCore32: remove unused cpu_halted(), regs_to_env() and
env_to_regs().
ARM: make raise_exception() static.
Convert
#include "exec.h"
to
#include "cpu.h"
#include "dyngen-exec.h"
and remove now unused target-*/exec.h.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
cea5f9a28f exposed bugs in unassigned memory
access 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 the include of setjmp.h from the cpu.h of target-alpha
and target-ppc. This is unnecessary because cpu-defs.h already
includes this header; this change brings these two targets
into line with all the rest.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Move functions cpu_has_work() and cpu_pc_from_tb() from exec.h to cpu.h. This is
needed by later patches.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Before the next patch, fix coding style of the areas affected.
Change the type of the return value from cpu_has_work() and
qemu_cpu_has_work() to bool.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Also include the PCC_OFS in the return value. For user mode we
can pretend the PCC_OFS value is always zero.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Reads the page table how PALcode would, except that the virtual
page table base register is not used.
Signed-off-by: Richard Henderson <rth@twiddle.net>
In particular, SWPIPL is used quite a lot by the Linux kernel.
Doing this inline makes it significantly easier to step through
without the debugger getting confused by the mode switch.
Signed-off-by: Richard Henderson <rth@twiddle.net>
We had two different methods in use, both of which referenced ENV,
and neither of which indicated to the generic code when different
compilation modes are not compatible.
Signed-off-by: Richard Henderson <rth@twiddle.net>
These aren't actually used yet, but we can at least access
them via the HW_MFPR and HW_MTPR instructions.
Signed-off-by: Richard Henderson <rth@twiddle.net>
The EXC_M_* constants were being set for the EV6, not as set for
the Unix kernel entry point.
Use PS_USER_MODE instead of hard-coding access to the PS register.
Signed-off-by: Richard Henderson <rth@twiddle.net>
This gets the PC right after an arithmetic exception. Also tidies
the code in the TLB fault handlers to use common code.
Signed-off-by: Richard Henderson <rth@twiddle.net>
There's no need to attempt to match EXCP_* values with PALcode entry
point offsets. Instead, compress all the values to make for more
efficient switch statements within QEMU.
We will be doing TLB fill within QEMU proper, not within the PALcode,
so all of the ITB/DTB miss, double fault, and access exceptions can
be compressed to EXCP_MMFAULT.
Compress all of the EXCP_CALL_PAL exceptions into one.
Use env->error_code to store the specific entry point.
Signed-off-by: Richard Henderson <rth@twiddle.net>
With all of the pre-existing code that would not compile gone,
this is the earliest point at which the target can be enabled.
There is no machine defined yet, so this will crash on startup.
Enable the target anyway, to make sure that further compilation
problems do not creep back in.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Delete all the code that tried to emulate the real IPRs of some
unnamed CPU. Replace those with just 3 slots that we can use to
communicate trap information between the helper functions that
signal exceptions and the OS trap handler.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Andreas Färber