For now we just copy over the previous user stubs, but really,
everything that requires s->cpl == 0 should be impossible
to trigger from user-mode emulation.
Later on we should add a check that asserts this easily f.e.:
static bool check_cpl0(DisasContext *s)
{
int cpl = s->cpl;
#ifdef CONFIG_USER_ONLY
assert(cpl == 3);
#endif
if (cpl != 0) {
gen_exception(s, EXCP0D_GPF, s->pc_start - s->cs_base);
return false;
}
return true;
}
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210322132800.7470-17-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
create a separate tcg/sysemu/fpu_helper.c for the sysemu-only parts.
For user mode, some small #ifdefs remain in tcg/fpu_helper.c
which do not seem worth splitting into their own user-mode module.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210322132800.7470-16-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
for user-mode, assert that the hidden IOBPT flags are not set
while attempting to generate io_bpt helpers.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210322132800.7470-14-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
smm is only really useful for sysemu, split in two modules
around the CONFIG_USER_ONLY, in order to remove the ifdef
and use the build system instead.
add cpu_abort() when detecting attempts to enter SMM mode via
SMI interrupt in user-mode, and assert that the cpu is not
in SMM mode while translating RSM instructions.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210322132800.7470-12-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
overall, all devices' realize functions take an Error **errp, but return void.
hw/core/qdev.c code, which realizes devices, therefore does:
local_err = NULL;
dc->realize(dev, &local_err);
if (local_err != NULL) {
goto fail;
}
However, we can improve at least accel_cpu to return a meaningful bool value.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210322132800.7470-9-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
move the check for phys_bits outside of host_cpu_adjust_phys_bits,
because otherwise it is impossible to return an error condition
explicitly.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210322132800.7470-8-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
avoid open coding the accesses to cpu->accel_cpu interfaces,
and instead introduce:
accel_cpu_instance_init,
accel_cpu_realizefn
to be used by the targets/ initfn code,
and by cpu_exec_realizefn respectively.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210322132800.7470-7-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
move the call to accel_cpu->cpu_realizefn to the general
cpu_exec_realizefn from target/i386, so it does not need to be
called for every target explicitly as we enable more targets.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210322132800.7470-6-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
i386 is the first user of AccelCPUClass, allowing to split
cpu.c into:
cpu.c cpuid and common x86 cpu functionality
host-cpu.c host x86 cpu functions and "host" cpu type
kvm/kvm-cpu.c KVM x86 AccelCPUClass
hvf/hvf-cpu.c HVF x86 AccelCPUClass
tcg/tcg-cpu.c TCG x86 AccelCPUClass
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[claudio]:
Rebased on commit b8184135 ("target/i386: allow modifying TCG phys-addr-bits")
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Message-Id: <20210322132800.7470-5-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The helper_* functions must use GETPC() to unwind from TCG.
The cpu_x86_* functions cannot, and directly calling the
helper_* functions is a bug. Split out new functions that
perform the work and can be used by both.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Claudio Fontana <cfontana@suse.de>
Tested-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210322132800.7470-4-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Change the prefix from "helper" to "do". The former should be
reserved for those functions that are called from TCG; the latter
is in use within the file already for those functions that are
called from the helper functions, adding a "retaddr" argument.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Claudio Fontana <cfontana@suse.de>
Tested-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210322132800.7470-3-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* docs: fix link in sbsa description
* linux-user/aarch64: Enable hwcap for RND, BTI, and MTE
* target/arm: Fix tlbbits calculation in tlbi_aa64_vae2is_write()
* target/arm: Split neon and vfp translation to their own
compilation units
* target/arm: Make WFI a NOP for userspace emulators
* hw/sd/omap_mmc: Use device_cold_reset() instead of
device_legacy_reset()
* include: More fixes for 'extern "C"' block use
* hw/arm/imx25_pdk: Fix error message for invalid RAM size
* hw/arm/mps2-tz: Implement AN524 memory remapping via machine property
* hw/arm/xlnx: Fix PHY address for xilinx-zynq-a9
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210510-1' into staging
target-arm queue:
* docs: fix link in sbsa description
* linux-user/aarch64: Enable hwcap for RND, BTI, and MTE
* target/arm: Fix tlbbits calculation in tlbi_aa64_vae2is_write()
* target/arm: Split neon and vfp translation to their own
compilation units
* target/arm: Make WFI a NOP for userspace emulators
* hw/sd/omap_mmc: Use device_cold_reset() instead of
device_legacy_reset()
* include: More fixes for 'extern "C"' block use
* hw/arm/imx25_pdk: Fix error message for invalid RAM size
* hw/arm/mps2-tz: Implement AN524 memory remapping via machine property
* hw/arm/xlnx: Fix PHY address for xilinx-zynq-a9
# gpg: Signature made Mon 10 May 2021 17:26:55 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20210510-1: (26 commits)
hw/arm/xlnx: Fix PHY address for xilinx-zynq-a9
hw/arm/mps2-tz: Implement AN524 memory remapping via machine property
hw/misc/mps2-scc: Support using CFG0 bit 0 for remapping
hw/misc/mps2-scc: Add "QEMU interface" comment
hw/arm/imx25_pdk: Fix error message for invalid RAM size
include/disas/dis-asm.h: Handle being included outside 'extern "C"'
include/qemu/bswap.h: Handle being included outside extern "C" block
osdep: Make os-win32.h and os-posix.h handle 'extern "C"' themselves
hw/sd/omap_mmc: Use device_cold_reset() instead of device_legacy_reset()
target/arm: Make WFI a NOP for userspace emulators
target/arm: Make translate-neon.c.inc its own compilation unit
target/arm: Make functions used by translate-neon global
target/arm: Move NeonGenThreeOpEnvFn typedef to translate.h
target/arm: Delete unused typedef
target/arm: Move vfp_reg_ptr() to translate-neon.c.inc
target/arm: Make translate-vfp.c.inc its own compilation unit
target/arm: Make functions used by translate-vfp global
target/arm: Move vfp_{load, store}_reg{32, 64} to translate-vfp.c.inc
target/arm: Move gen_aa32 functions to translate-a32.h
target/arm: Split m-nocp trans functions into their own file
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The WFI insn is not system-mode only, though it doesn't usually make
a huge amount of sense for userspace code to execute it. Currently
if you try it in qemu-arm then the helper function will raise an
EXCP_HLT exception, which is not covered by the switch in cpu_loop()
and results in an abort:
qemu: unhandled CPU exception 0x10001 - aborting
R00=00000001 R01=408003e4 R02=408003ec R03=000102ec
R04=00010a28 R05=00010158 R06=00087460 R07=00010158
R08=00000000 R09=00000000 R10=00085b7c R11=408002a4
R12=408002b8 R13=408002a0 R14=0001057c R15=000102f8
PSR=60000010 -ZC- A usr32
qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x7fcbfa4f0a12
Make the WFI helper function return immediately in the usermode
emulator. This turns WFI into a NOP, which is OK because:
* architecturally "WFI is a NOP" is a permitted implementation
* aarch64 Linux kernels use the SCTLR_EL1.nTWI bit to trap
userspace WFI and NOP it (though aarch32 kernels currently
just let WFI do whatever it would do)
We could in theory make the translate.c code special case user-mode
emulation and NOP the insn entirely rather than making the helper
do nothing, but because no real world code will be trying to
execute WFI we don't care about efficiency and the helper provides
a single place where we can make the change rather than having
to touch multiple places in translate.c and translate-a64.c.
Fixes: https://bugs.launchpad.net/qemu/+bug/1926759
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430162212.825-1-peter.maydell@linaro.org
Switch translate-neon.c.inc from being #included into translate.c
to being its own compilation unit.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-14-peter.maydell@linaro.org
Make the remaining functions needed by the translate-neon code
global.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-13-peter.maydell@linaro.org
Move the NeonGenThreeOpEnvFn typedef to translate.h together
with the other similar typedefs.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210430132740.10391-12-peter.maydell@linaro.org
The VFPGenFixPointFn typedef is unused; delete it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210430132740.10391-11-peter.maydell@linaro.org
The function vfp_reg_ptr() is used only in translate-neon.c.inc;
move it there.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-10-peter.maydell@linaro.org
Switch translate-vfp.c.inc from being #included into translate.c
to being its own compilation unit.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-9-peter.maydell@linaro.org
Make the remaining functions which are needed by translate-vfp.c.inc
global.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-8-peter.maydell@linaro.org
The functions vfp_load_reg32(), vfp_load_reg64(), vfp_store_reg32()
and vfp_store_reg64() are used only in translate-vfp.c.inc. Move
them to that file.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-7-peter.maydell@linaro.org
Move the various gen_aa32* functions and macros out of translate.c
and into translate-a32.h.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-6-peter.maydell@linaro.org
Currently the trans functions for m-nocp.decode all live in
translate-vfp.inc.c; move them out into their own translation unit,
translate-m-nocp.c.
The trans_* functions here are pure code motion with no changes.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-5-peter.maydell@linaro.org
We want to split out the .c.inc files which are currently included
into translate.c so they are separate compilation units. To do this
we need to make some functions which are currently file-local to
translate.c have global scope; create a translate-a32.h paralleling
the existing translate-a64.h as a place for these declarations to
live, so that code moved into the new compilation units can call
them.
The functions made global here are those required by the
m-nocp.decode functions, except that I have converted the whole
family of {read,write}_neon_element* and also both the load_cpu and
store_cpu functions for consistency, even though m-nocp only wants a
few functions from each.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-4-peter.maydell@linaro.org
The unallocated_encoding() function is the same in both
translate-a64.c and translate.c; make the translate.c function global
and drop the translate-a64.c version. To do this we need to also
share gen_exception_insn(), which currently exists in two slightly
different versions for A32 and A64: merge those into a single
function that can work for both.
This will be useful for splitting up translate.c, which will require
unallocated_encoding() to no longer be file-local. It's also
hopefully less confusing to have only one version of the function
rather than two.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-3-peter.maydell@linaro.org
Some of the constant expanders defined in translate.c are generically
useful and will be used by the separate C files for VFP and Neon once
they are created; move the expander definitions to translate.h.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210430132740.10391-2-peter.maydell@linaro.org
In tlbi_aa64_vae2is_write() the calculation
bits = tlbbits_for_regime(env, secure ? ARMMMUIdx_E2 : ARMMMUIdx_SE2,
pageaddr)
has the two arms of the ?: expression reversed. Fix the bug.
Fixes: b6ad6062f1
Reported-by: Rebecca Cran <rebecca@nuviainc.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
Reviewed-by: Rebecca Cran <rebecca@nuviainc.com>
Message-id: 20210420123106.10861-1-peter.maydell@linaro.org
Here's the first ppc pull request for qemu-6.1. It has a wide variety
of stuff accumulated during the 6.0 freeze. Highlights are:
* Multi-phase reset cleanups for PAPR
* Preliminary cleanups towards allowing !CONFIG_TCG for the ppc target
* Cleanup of AIL logic and extension to POWER10
* Further improvements to handling of hot unplug failures on PAPR
* Allow much larger numbers of CPU on pseries
* Support for the H_SCM_HEALTH hypercall
* Add support for the Pegasos II board
* Substantial cleanup to hflag handling
* Assorted minor fixes and cleanups
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Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.1-20210504' into staging
ppc patch queue 2021-05-04
Here's the first ppc pull request for qemu-6.1. It has a wide variety
of stuff accumulated during the 6.0 freeze. Highlights are:
* Multi-phase reset cleanups for PAPR
* Preliminary cleanups towards allowing !CONFIG_TCG for the ppc target
* Cleanup of AIL logic and extension to POWER10
* Further improvements to handling of hot unplug failures on PAPR
* Allow much larger numbers of CPU on pseries
* Support for the H_SCM_HEALTH hypercall
* Add support for the Pegasos II board
* Substantial cleanup to hflag handling
* Assorted minor fixes and cleanups
# gpg: Signature made Tue 04 May 2021 06:52:39 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dg-gitlab/tags/ppc-for-6.1-20210504: (46 commits)
hw/ppc/pnv_psi: Use device_cold_reset() instead of device_legacy_reset()
hw/ppc/spapr_vio: Reset TCE table object with device_cold_reset()
hw/intc/spapr_xive: Use device_cold_reset() instead of device_legacy_reset()
target/ppc: removed VSCR from SPR registration
target/ppc: Reduce the size of ppc_spr_t
target/ppc: Clean up _spr_register et al
target/ppc: Add POWER10 exception model
target/ppc: rework AIL logic in interrupt delivery
target/ppc: move opcode table logic to translate.c
target/ppc: code motion from translate_init.c.inc to gdbstub.c
spapr_drc.c: handle hotunplug errors in drc_unisolate_logical()
spapr.h: increase FDT_MAX_SIZE
spapr.c: do not use MachineClass::max_cpus to limit CPUs
ppc: Rename current DAWR macros and variables
target/ppc: POWER10 supports scv
target/ppc: Fix POWER9 radix guest HV interrupt AIL behaviour
docs/system: ppc: Add documentation for ppce500 machine
roms/u-boot: Bump ppce500 u-boot to v2021.04 to fix broken pci support
roms/Makefile: Update ppce500 u-boot build directory name
ppc/spapr: Add support for implement support for H_SCM_HEALTH
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-6.1-pull-request' into staging
Trivial patches pull request 20210503
# gpg: Signature made Mon 03 May 2021 09:34:56 BST
# gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier2/tags/trivial-branch-for-6.1-pull-request: (23 commits)
hw/rx/rx-gdbsim: Do not accept invalid memory size
docs: More precisely describe memory-backend-*::id's user
scripts: fix generation update-binfmts templates
docs/system: Document the removal of "compat" property for POWER CPUs
mc146818rtc: put it into the 'misc' category
Do not include exec/address-spaces.h if it's not really necessary
Do not include cpu.h if it's not really necessary
Do not include hw/boards.h if it's not really necessary
Do not include sysemu/sysemu.h if it's not really necessary
hw: Do not include qemu/log.h if it is not necessary
hw: Do not include hw/irq.h if it is not necessary
hw: Do not include hw/sysbus.h if it is not necessary
hw: Remove superfluous includes of hw/hw.h
ui: Fix memory leak in qemu_xkeymap_mapping_table()
hw/usb: Constify VMStateDescription
hw/display/qxl: Constify VMStateDescription
hw/arm: Constify VMStateDescription
vmstate: Constify some VMStateDescriptions
Fix typo in CFI build documentation
hw/pcmcia: Do not register PCMCIA type if not required
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since cpu_check_irqs() doesn't reference to anything outside
of CPUSPARCState, it better belongs to the architectural code
in target/, rather than the hardware specific code in hw/.
Note: while we moved the trace events, we don't rename them.
Remark: this allows us to build the leon3 machine stand alone,
fixing this link failure (because cpu_check_irqs is defined in
hw/sparc/sun4m.c which is only built when CONFIG_SUN4M is selected):
/usr/bin/ld: target_sparc_win_helper.c.o: in function `cpu_put_psr':
target/sparc/win_helper.c:91: undefined reference to `cpu_check_irqs'
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210428141655.387430-5-f4bug@amsat.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
When building without the leon3 machine, we get this link failure:
/usr/bin/ld: target_sparc_int32_helper.c.o: in function `leon3_irq_manager':
target/sparc/int32_helper.c:172: undefined reference to `leon3_irq_ack'
This is because the leon3_irq_ack() is declared in hw/sparc/leon3.c,
which is only build when CONFIG_LEON3 is selected.
Fix by moving the leon3_cache_control_int() / leon3_irq_manager()
(which are specific to the leon3 machine) to hw/sparc/leon3.c.
Move the trace events along (but don't rename them).
leon3_irq_ack() is now locally used, declare it static to reduce
its scope.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: KONRAD Frederic <frederic.konrad@adacore.com>
Tested-by: KONRAD Frederic <frederic.konrad@adacore.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20210428141655.387430-2-f4bug@amsat.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Since vscr is not an spr, its initialization was removed from the
spr registration functions, and moved to the relevant init_procs.
We may look into adding vscr to the reset path instead of the init
path (as suggested by David Gibson), but this looked like a good
enough solution for now.
Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br>
Message-Id: <20210430193533.82136-6-bruno.larsen@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
We elide values when registering sprs, we might as well
save space in the array as well.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210501022923.1179736-3-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Introduce 3 helper macros to elide arguments that we cannot supply.
This reduces the repetition required to get the job done.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210501022923.1179736-2-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
POWER10 adds a new bit that modifies interrupt behaviour, LPCR[HAIL],
and it removes support for the LPCR[AIL]=0b10 mode.
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20210501072436.145444-3-npiggin@gmail.com>
[dwg: Corrected tab indenting]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The AIL logic is becoming unmanageable spread all over powerpc_excp(),
and it is slated to get even worse with POWER10 support.
Move it all to a new helper function.
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20210501072436.145444-2-npiggin@gmail.com>
[dwg: Corrected tab indenting]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
code motion to remove opcode callback table from
translate_init.c.inc to translate.c in preparation to remove
the #include <translate_init.c.inc> from translate.c. Also created
destroy_ppc_opcodes and removed that logic from ppc_cpu_unrealize
Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br>
Message-Id: <20210429162130.2412-2-bruno.larsen@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
All the code related to gdb has been moved from translate_init.c.inc
file to the gdbstub.c file, where it makes more sense.
Version 4 fixes the omission of internal.h in gdbstub, mentioned in
<87sg3d2gf5.fsf@linux.ibm.com>, and the extra blank line.
Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br>
Suggested-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20210426184706.48040-1-bruno.larsen@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Power10 is introducing second DAWR. Use real register names (with
suffix 0) from ISA for current macros and variables used by Qemu.
One exception to this is KVM_REG_PPC_DAWR[X]. This is from kernel
uapi header and thus not changed in kernel as well as Qemu.
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20210412114433.129702-3-ravi.bangoria@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This must have slipped through the cracks between adding POWER10 support
and scv support.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20210415054227.1793812-3-npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
ISA v3.0 radix guest execution has a quirk in AIL behaviour such that
the LPCR[AIL] value can apply to hypervisor interrupts.
This affects machines that emulate HV=1 mode (i.e., powernv9).
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20210415054227.1793812-2-npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Verify that hflags was updated correctly whenever we change
cpu state that is used by hflags.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210323184340.619757-11-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
We weren't recording MSR_GS in hflags, which means that BookE
memory accesses were essentially random vs Guest State.
Instead of adding this bit directly, record the completed mmu
indexes instead. This makes it obvious that we are recording
exactly the information that we need.
This also means that we can stop directly recording MSR_IR.
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210323184340.619757-9-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Nothing within the translator -- or anywhere else for that
matter -- checks MSR_SA or MSR_AP on the 602. This may be
a mistake. However, for the moment, we need not record these
bits in hflags.
This allows us to simplify HFLAGS_VSX computation by moving
it to overlap with MSR_VSX.
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210323184340.619757-8-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Because this bit was not in hflags, the privilege check
for tlb instructions was essentially random.
Recompute hflags when storing to LPCR.
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210323184340.619757-7-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Perform the test against FSCR_SCV at runtime, in the helper.
This means we can remove the incorrect set against SCV in
ppc_tr_init_disas_context and do not need to add an HFLAGS bit.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210323184340.619757-6-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Because these bits were not in hflags, the code generated
for single-stepping on BookE was essentially random.
Recompute hflags when storing to dbcr0.
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210323184340.619757-5-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
It will be stored in tb->flags, which is also uint32_t,
so let's use the correct size.
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210323184340.619757-4-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Copying flags directly from msr has drawbacks: (1) msr bits
mean different things per cpu, (2) msr has 64 bits on 64 cpus
while tb->flags has only 32 bits.
Create a enum to define these bits. Document the origin of each bit
and validate those bits that must match MSR. This fixes the
truncation of env->hflags to tb->flags, because we no longer
have hflags bits set above bit 31.
Most of the code in ppc_tr_init_disas_context is moved over to
hreg_compute_hflags. Some of it is simple extractions from msr,
some requires examining other cpu flags. Anything that is moved
becomes a simple extract from hflags in ppc_tr_init_disas_context.
Several existing bugs are left in ppc_tr_init_disas_context, where
additional changes are required -- to be addressed in future patches.
Remove a broken #if 0 block.
Reported-by: Ivan Warren <ivan@vmfacility.fr>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210323184340.619757-3-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Extract post_load_update_msr to share between cpu_load_old
and cpu_post_load in updating the msr.
Suggested-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210323184340.619757-2-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
As per hreg_compute_hflags:
We 'forget' FE0 & FE1: we'll never generate imprecise exceptions
remove the hflags marker from the respective comments.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210315184615.1985590-7-richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
We have eliminated all normal uses of hflags_nmsr. We need
not even compute it except when we want to migrate. Rename
the field to emphasize this.
Remove the fixme comment for migrating access_type. This value
is only ever used with the current executing instruction, and
is never live when the cpu is halted for migration.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210315184615.1985590-6-richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
In ppc_store_msr we call hreg_compute_hflags, which itself
calls hreg_compute_mem_idx. Rely on ppc_store_msr to update
everything required by the msr update.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210315184615.1985590-5-richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Match cpu_post_load in using ppc_store_msr to set all of
the cpu state implied by the value of msr. Do not restore
hflags or hflags_nmsr, as we recompute them in ppc_store_msr.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210315184615.1985590-4-richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Keep all hflags computation in one place, as this will be
especially important later.
Introduce a new POWERPC_FLAG_HID0_LE bit to indicate when
LE should be taken from HID0. This appears to be set if
and only if POWERPC_FLAG_RTC_CLK is set, but we're not
short of bits and having both names will avoid confusion.
Note that this was the only user of hflags_nmsr, so we can
perform a straight assignment rather than mask and set.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210315184615.1985590-3-richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Move the functions to a new file, helper_regs.c.
Note int_helper.c was relying on helper_regs.h to
indirectly include qemu/log.h.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210315184615.1985590-2-richard.henderson@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Stop including exec/address-spaces.h in files that don't need it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-5-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Stop including sysemu/sysemu.h in files that don't need it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-2-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Many files include qemu/log.h without needing it. Remove the superfluous
include statements.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20210328054833.2351597-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
To ease maintenance, move all TCG specific files under the tcg/
sub-directory. Adapt the Meson machinery.
The following prototypes:
- mips_tcg_init()
- mips_cpu_do_unaligned_access()
- mips_cpu_do_transaction_failed()
can now be restricted to the "tcg-internal.h" header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-29-f4bug@amsat.org>
Opcodes accessing Coprocessor 0 are privileged.
Move the CP0 helpers to sysemu/ and simplify the #ifdef'ry.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-28-f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-27-f4bug@amsat.org>
Move helper_cache() to tcg/sysemu/special_helper.c.
The CACHE opcode is privileged and is not accessible in user
emulation. However we get a link failure when restricting the
symbol to sysemu. For now, add a stub helper to satisfy linking,
which abort if ever called.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-25-f4bug@amsat.org>
Move the Special opcodes helpers to tcg/sysemu/special_helper.c.
Since mips_io_recompile_replay_branch() is set as
CPUClass::io_recompile_replay_branch handler in cpu.c,
we need to declare its prototype in "tcg-internal.h".
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-24-f4bug@amsat.org>
The 3 map_address() handlers are local to tlb_helper.c,
no need to have their prototype declared publically.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-23-f4bug@amsat.org>
Move tlb_helper.c to the tcg/sysemu/ subdir, along with
the following 3 declarations to tcg-internal.h:
- cpu_mips_tlb_flush()
- cpu_mips_translate_address()
- r4k_invalidate_tlb()
Simplify tlb_helper.c #ifdef'ry because files in tcg/sysemu/
are only build when sysemu mode is configured.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-22-f4bug@amsat.org>
mmu_init() is only required by TCG accelerator.
Restrict its declaration and call to TCG.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-21-f4bug@amsat.org>
Move cp0_helper.c and mips-semi.c to the new tcg/sysemu/ folder,
adapting the Meson machinery.
Move the opcode definitions to tcg/sysemu_helper.h.inc.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-20-f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-19-f4bug@amsat.org>
Declare get_physical_address() with local scope and move it along
with mips_cpu_get_phys_page_debug() to sysemu/physaddr.c new file.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-18-f4bug@amsat.org>
Move sysemu-specific files under the new sysemu/ subfolder
and adapt the Meson machinery.
Update the KVM MIPS entry in MAINTAINERS.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-17-f4bug@amsat.org>
We have 2 blocks guarded with #ifdef for sysemu, which
are simply separated by the cpu_signal_handler definition.
To simplify the following commits which involve various
changes in internal.h, first join the sysemu-guarded blocks.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-16-f4bug@amsat.org>
tlb_helper.c's #ifdef'ry hides a quite simple user-mode
implementation of mips_cpu_tlb_fill().
Copy the user-mode implementation (without #ifdef'ry) to
tcg/user/helper.c and simplify tlb_helper.c's #ifdef'ry.
This will allow us to restrict tlb_helper.c to sysemu.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-15-f4bug@amsat.org>
The #ifdef'ry hides that the user-mode implementation of
mips_cpu_do_interrupt() simply sets exception_index = EXCP_NONE.
Add this simple implementation to tcg/user/tlb_helper.c, and
the corresponding Meson machinery to build this file when user
emulation is configured.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-14-f4bug@amsat.org>
We will gradually move TCG-specific declarations to a new local
header: "tcg-internal.h". To keep review simple, first add this
header with 2 TCG prototypes, which we are going to move in the
next 2 commits.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-13-f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-11-f4bug@amsat.org>
Currently cpu_mips_translate_address() calls raise_mmu_exception(),
and do_translate_address() calls cpu_loop_exit_restore().
This API split is dangerous, we could call cpu_mips_translate_address
without returning to the main loop.
As there is only one caller, it is trivial (and safer) to merge
do_translate_address() back to cpu_mips_translate_address().
Reported-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-10-f4bug@amsat.org>
Rename set_pc() as mips_env_set_pc(), declare it inlined
and use it in cpu.c and op_helper.c.
Reported-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210428170410.479308-9-f4bug@amsat.org>
Turn printfpr() macro into a proper function: fpu_dump_fpr().
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-8-f4bug@amsat.org>
As mips_cpu_dump_state() is only used once to initialize the
CPUClass::dump_state handler, we can move it to cpu.c to keep
it symbol local.
Beside, this handler is used by all accelerators, while the
translate.c file targets TCG.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-7-f4bug@amsat.org>
Since all entries are no more than 4 bytes (including nul
terminator), can save space and pie runtime relocations by
declaring regnames[] as array of 4 const char.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-6-f4bug@amsat.org>
The CPU/FPU regnames[] arrays is used in mips_tcg_init() and
mips_cpu_dump_state(), which while being in translate.c is
not specific to TCG.
To be able to move mips_cpu_dump_state() to cpu.c, which is
compiled for all accelerator, we need to make the regnames[]
arrays global to target/mips/ by declaring them in "internal.h".
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-5-f4bug@amsat.org>
mips_cpu_reset() is used by all accelerators, and calls
msa_reset(), which is defined in msa_helper.c.
Beside msa_reset(), the rest of msa_helper.c is only useful
to the TCG accelerator. To be able to restrict this helper
file to TCG, we need to move msa_reset() out of it.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-4-f4bug@amsat.org>
restore_msa_fp_status() is declared inlined in fpu_helper.h,
and uses the ieee_rm[] array. Therefore any code calling
restore_msa_fp_status() must have access to this ieee_rm[] array.
kvm_mips_get_fpu_registers(), which is in target/mips/kvm.c,
calls restore_msa_fp_status.
Except this tiny array, the rest of fpu_helper.c is only useful
for the TCG accelerator.
To be able to restrict fpu_helper.c to TCG, we need to move the
ieee_rm[] array to a new source file.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-3-f4bug@amsat.org>
We already have the mips_tcg_ss source set for TCG-specific files,
use it for mxu_translate.c and tx79_translate.c to simplify a bit.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-2-f4bug@amsat.org>
To avoid callers to emit dead code if check_cp0_enabled()
raise an exception, let it return a boolean value, whether
CP0 is enabled or not.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210420193453.1913810-4-f4bug@amsat.org>
When running with '-d unimp' all MTHC0 opcode executed
are logged as unimplemented... Add the proper 'return'
statement missed from commit 5204ea79ea.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210422081055.2349216-1-f4bug@amsat.org>
The CACHEE opcode "requires CP0 privilege".
The pseudocode checks in the ISA manual is:
if is_eva and not C0.Config5.EVA:
raise exception('RI')
if not IsCoprocessor0Enabled():
raise coprocessor_exception(0)
Add the missing checks.
Inspired-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210420175426.1875746-1-f4bug@amsat.org>
The following instruction is added
S2_cabacdecbin Rdd32=decbin(Rss32,Rtt32)
Test cases added to tests/tcg/hexagon/misc.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-27-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rdd32 = add(Rss32, Rtt32, Px4):carry
Add with carry
Rdd32 = sub(Rss32, Rtt32, Px4):carry
Sub with carry
Test cases in tests/tcg/hexagon/multi_result.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-22-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rdd32,Pe4 = vminub(Rtt32, Rss32)
Vector min of bytes
Test cases in tests/tcg/hexagon/multi_result.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-21-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rxx32,Pe4 = vacsh(Rss32, Rtt32)
Add compare and select elements of two vectors
Test cases in tests/tcg/hexagon/multi_result.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-20-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rd32,Pe4 = sfinvsqrta(Rs32)
Square root approx
The helper packs the 2 32-bit results into a 64-bit value,
and the fGEN_TCG override unpacks them into the proper results.
Test cases in tests/tcg/hexagon/multi_result.c
FP exception tests added to tests/tcg/hexagon/fpstuff.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-19-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rd32,Pe4 = sfrecipa(Rs32, Rt32)
Recripocal approx
Test cases in tests/tcg/hexagon/multi_result.c
FP exception tests added to tests/tcg/hexagon/fpstuff.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-18-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Change #if HEX_DEBUG to if (HEX_DEBUG) so the debug code doesn't bit rot
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-17-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-16-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Include size in declaration
Remove {0, 0} entry
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-15-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Change (cond ? (res = x) : (res = y)) to res = (cond ? x : y)
This makes the semnatics easier to for idef-parser to deal with
The following instructions are impacted
C2_any8
C2_all8
C2_mux
C2_muxii
C2_muxir
C2_muxri
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-14-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Use the proper return for helpers that convert to unsigned
Remove target/hexagon/conv_emu.[ch]
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-13-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-12-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-11-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-10-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-9-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-8-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Multiple writes to the same preg are and'ed together. Rather than
generating a runtime check, we can determine at TCG generation time
if the predicate has previously been written in the packet.
Test added to tests/tcg/hexagon/misc.c
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-7-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
When exiting a TB, generate all the code before returning from
hexagon_tr_translate_packet so that nothing needs to be done in
hexagon_tr_tb_stop.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-6-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Remove hexagon_env_get_cpu and replace with env_archcpu
Replace CPU(hexagon_env_get_cpu(env)) with env_cpu(env)
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-5-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-4-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Similar to previous cleanup of gen_log_predicated_reg_write
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-3-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Simplify TCG generation of hex_reg_written
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-2-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reported-by: Richard Henderson <<richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615784100-26459-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615784115-26559-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reported-by: Richard Henderson <<richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615784049-26215-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reported-by: Richard Henderson <<richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615784037-26129-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Change cpu_ldl_code to translator_ldl.
Don't end the TB after every packet when HEX_DEBUG is on.
Make gen_check_store_width a simple call.
Reported-by: Richard Henderson <<richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <1615783984-25918-1-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-32-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-31-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-30-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-29-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-28-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
For 128-bit load/store, use 16-byte alignment. This
requires that we perform the two operations in the
correct order so that we generate the alignment fault
before modifying memory.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-27-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In the case of gpr load, merge the size and is_signed arguments;
otherwise, simply convert size to memop.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-26-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-25-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-24-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-23-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-22-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-21-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-20-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-18-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-17-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Adjust the interface to match what has been done to the
TCGv_i32 load/store functions.
This is less obvious, because at present the only user of
these functions, trans_VLDST_multiple, also wants to manipulate
the endianness to speed up loading multiple bytes. Thus we
retain an "internal" interface which is identical to the
current gen_aa32_{ld,st}_i64 interface.
The "new" interface will gain users as we remove the legacy
interfaces, gen_aa32_ld64 and gen_aa32_st64.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-15-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
