| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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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>
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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>
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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>
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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>
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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>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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Pass CPUState pointer to tlb_fill() instead of architecture local
cpu_single_env hacks.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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qemu_malloc/qemu_free no longer exist after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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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>
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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>
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cea5f9a28faa528b6b1b117c9ab2d8828f473fef 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>
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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>
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Most exec-all.h include directives are now useless, remove them.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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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>
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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>
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Make cpu_loop_exit() take a parameter for CPUState instead of relying
on global env.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Richard Henderson <rth@twiddle.net>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Richard Henderson <rth@twiddle.net>
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Expose these via MTPR, more or less like the real HW does.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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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>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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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>
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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>
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Interrupts are disabled in PALmode, and when the PS IL is high enough.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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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>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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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>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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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>
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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>
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Introduce and use arith_excp, filling in the trap_arg[01] IPRs.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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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>
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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>
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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>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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Don't bother including executive and supervisor modes.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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This code contained typos, as it had never been compiled.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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All of the "raw" memory accesses should be "phys" instead. Fix
some confusion about argument ordering of the store routines.
Fix the implementation of store-conditional.
Delete the "alt-mode" helpers. Because we only implement two
mmu modes, let /a imply user-mode unconditionally.
Leave some combinations of virt access without permission
checks as unimplemented. There are too many hoops through
which to jump, and these insns will not be needed in the
emulation palcode.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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This code does not work, and will be replaced by a bios image.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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