Commit Graph

303 Commits

Author SHA1 Message Date
Aleksandar Markovic
5a6a1fabfc target/mips: Fix big endian host behavior for interleave MSA instructions
Fix big endian host behavior for interleave MSA instructions. Previous
fix used TARGET_WORDS_BIGENDIAN instead of HOST_WORDS_BIGENDIAN, which
was a mistake.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1561543629-20327-9-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-26 13:25:56 +02:00
Peter Maydell
474f3938d7 MIPS queue for June 21st, 2019
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Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-jun-21-2019' into staging

MIPS queue for June 21st, 2019

# gpg: Signature made Fri 21 Jun 2019 10:46:57 BST
# gpg:                using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01  DD75 D497 2A89 67F7 5A65

* remotes/amarkovic/tags/mips-queue-jun-21-2019:
  target/mips: Fix emulation of ILVR.<B|H|W> on big endian host
  target/mips: Fix emulation of ILVL.<B|H|W> on big endian host
  target/mips: Fix emulation of ILVOD.<B|H|W> on big endian host
  target/mips: Fix emulation of ILVEV.<B|H|W> on big endian host
  tests/tcg: target/mips: Amend tests for MSA pack instructions
  tests/tcg: target/mips: Include isa/ase and group name in test output
  target/mips: Fix if-else-switch-case arms checkpatch errors in translate.c
  target/mips: Fix some space checkpatch errors in translate.c
  MAINTAINERS: Consolidate MIPS disassembler-related items
  MAINTAINERS: Update file items for MIPS Malta board

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-06-21 15:40:50 +01:00
Aleksandar Markovic
14f5d874bc target/mips: Fix emulation of ILVR.<B|H|W> on big endian host
Fix emulation of ILVR.<B|H|W> on big endian host by applying
mapping of data element indexes from one endian to another.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1561038349-17105-5-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-21 11:31:13 +02:00
Aleksandar Markovic
8e74bceb00 target/mips: Fix emulation of ILVL.<B|H|W> on big endian host
Fix emulation of ILVL.<B|H|W> on big endian host by applying
mapping of data element indexes from one endian to another.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1561038349-17105-4-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-21 11:31:10 +02:00
Aleksandar Markovic
b000169e4e target/mips: Fix emulation of ILVOD.<B|H|W> on big endian host
Fix emulation of ILVOD.<B|H|W> on big endian host by applying
mapping of data element indexes from one endian to another.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1561038349-17105-3-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-21 11:31:07 +02:00
Aleksandar Markovic
98880cb5a6 target/mips: Fix emulation of ILVEV.<B|H|W> on big endian host
Fix emulation of ILVEV.<B|H|W> on big endian host by applying
mapping of data element indexes from one endian to another.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1561038349-17105-2-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-21 11:31:03 +02:00
Aleksandar Markovic
1f8929d241 target/mips: Fix if-else-switch-case arms checkpatch errors in translate.c
Remove if-else-switch-case-arms-related checkpatch errors.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1561037595-14413-5-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-21 11:29:51 +02:00
Aleksandar Markovic
235785e834 target/mips: Fix some space checkpatch errors in translate.c
Remove some space-related checkpatch warning.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1561037595-14413-4-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-21 11:29:47 +02:00
Liran Alon
b1115c9991 KVM: Introduce kvm_arch_destroy_vcpu()
Simiar to how kvm_init_vcpu() calls kvm_arch_init_vcpu() to perform
arch-dependent initialisation, introduce kvm_arch_destroy_vcpu()
to be called from kvm_destroy_vcpu() to perform arch-dependent
destruction.

This was added because some architectures (Such as i386)
currently do not free memory that it have allocated in
kvm_arch_init_vcpu().

Suggested-by: Maran Wilson <maran.wilson@oracle.com>
Reviewed-by: Maran Wilson <maran.wilson@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20190619162140.133674-3-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-06-21 02:29:39 +02:00
Markus Armbruster
a8d2532645 Include qemu-common.h exactly where needed
No header includes qemu-common.h after this commit, as prescribed by
qemu-common.h's file comment.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-5-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c
block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c
target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h
target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h
target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h
target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and
net/tap-bsd.c fixed up]
2019-06-12 13:20:20 +02:00
Markus Armbruster
0b8fa32f55 Include qemu/module.h where needed, drop it from qemu-common.h
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-4-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c
hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c;
ui/cocoa.m fixed up]
2019-06-12 13:18:33 +02:00
Richard Henderson
e8b5fae516 cpu: Remove CPU_COMMON
This macro is now always empty, so remove it.  This leaves the
entire contents of CPUArchState under the control of the guest
architecture.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:42 -07:00
Richard Henderson
5b146dc716 cpu: Introduce CPUNegativeOffsetState
Nothing in there so far, but all of the plumbing done
within the target ArchCPU state.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:42 -07:00
Richard Henderson
7506ed902e cpu: Introduce cpu_set_cpustate_pointers
Consolidate some boilerplate from foo_cpu_initfn.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:42 -07:00
Richard Henderson
677c4d69ac cpu: Move ENV_OFFSET to exec/gen-icount.h
Now that we have ArchCPU, we can define this generically,
in the one place that needs it.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:42 -07:00
Richard Henderson
5a7330b35c target/mips: Use env_cpu, env_archcpu
Cleanup in the boilerplate that each target must define.
Replace mips_env_get_cpu with env_archcpu.  The combination
CPU(mips_env_get_cpu) should have used ENV_GET_CPU to begin;
use env_cpu now.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:42 -07:00
Richard Henderson
29a0af618d cpu: Replace ENV_GET_CPU with env_cpu
Now that we have both ArchCPU and CPUArchState, we can define
this generically instead of via macro in each target's cpu.h.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:34 -07:00
Richard Henderson
2161a612b4 cpu: Define ArchCPU
For all targets, do this just before including exec/cpu-all.h.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:34 -07:00
Richard Henderson
4f7c64b381 cpu: Define CPUArchState with typedef
For all targets, do this just before including exec/cpu-all.h.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:34 -07:00
Richard Henderson
74433bf083 tcg: Split out target/arch/cpu-param.h
For all targets, into this new file move TARGET_LONG_BITS,
TARGET_PAGE_BITS, TARGET_PHYS_ADDR_SPACE_BITS,
TARGET_VIRT_ADDR_SPACE_BITS, and NB_MMU_MODES.

Include this new file from exec/cpu-defs.h.

This now removes the somewhat odd requirement that target/arch/cpu.h
defines TARGET_LONG_BITS before including exec/cpu-defs.h, so push the
bulk of the includes within target/arch/cpu.h to the top.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-06-10 07:03:34 -07:00
Aleksandar Markovic
5d161bc818 target/mips: Unroll loops in helpers for MSA logic instructions
Unroll loops in helpers for MSA logic instructions for better
performance.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1559838440-9866-5-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-07 11:53:07 +02:00
Aleksandar Markovic
7471df9f9e target/mips: Outline places for future MSA helpers
Outline places for future MSA helpers to follow the same organization
as in MSA tests.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1559838440-9866-4-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-07 11:52:50 +02:00
Aleksandar Markovic
7cc8a7220d target/mips: Fix block-comment-related issues in msa_helper.c
Fix block-comment-related issues reported by checkpatch for file
msa_helper.c.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1559838440-9866-3-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-06 21:06:33 +02:00
Aleksandar Markovic
de1700d316 target/mips: Fix space-related format issues in msa_helper.c
Fix space-related format issues reported by checkpatch in file
msa_helper.c.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1559838440-9866-2-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-06 21:06:24 +02:00
Mateja Marjanovic
0df911fd7f target/mips: Improve performance of certain MSA instructions
Eliminate loops for better performance.

Following MSA instructions from "UNOP" group are affected:

 - NLZC.<B|H|W|D>
 - NLOC.<B|H|W|D>
 - PCNT.<B|H|W|D>

Following MSA instructions from "BINOP" group are affected:

 - ADD_A.<B|H|W|D>
 - ADDS_A.<B|H|W|D>
 - ADDS_S.<B|H|W|D>
 - ADDS_U.<B|H|W|D>
 - ADDV.<B|H|W|D>
 - ASUB_S.<B|H|W|D>
 - ASUB_U.<B|H|W|D>
 - AVE_S.<B|H|W|D>
 - AVE_U.<B|H|W|D>
 - AVER_S.<B|H|W|D>
 - AVER_U.<B|H|W|D>
 - BCLR.<B|H|W|D>
 - BNEG.<B|H|W|D>
 - BSET.<B|H|W|D>
 - CEQ.<B|H|W|D>
 - CLE_S.<B|H|W|D>
 - CLE_U.<B|H|W|D>
 - CLT_S.<B|H|W|D>
 - CLT_U.<B|H|W|D>
 - DIV_S.<B|H|W|D>
 - DIV_U.<B|H|W|D>
 - DOTP_S.<B|H|W|D>
 - DOTP_U.<B|H|W|D>
 - HADD_S.<B|H|W|D>
 - HADD_U.<B|H|W|D>
 - HSUB_S.<B|H|W|D>
 - HSUB_U.<B|H|W|D>
 - MAX_A.<B|H|W|D>
 - MAX_S.<B|H|W|D>
 - MAX_U.<B|H|W|D>
 - MIN_A.<B|H|W|D>
 - MIN_S.<B|H|W|D>
 - MIN_U.<B|H|W|D>
 - MOD_S.<B|H|W|D>
 - MOD_U.<B|H|W|D>
 - MUL_Q.<B|H|W|D>
 - MULR_Q.<B|H|W|D>
 - MULV.<B|H|W|D>
 - SLL.<B|H|W|D>
 - SRA.<B|H|W|D>
 - SRAR.<B|H|W|D>
 - SRL.<B|H|W|D>
 - SRLR.<B|H|W|D>
 - SUBS_S.<B|H|W|D>
 - SUBS_U.<B|H|W|D>
 - SUBSUS_U.<B|H|W|D>
 - SUBSUU_S.<B|H|W|D>
 - SUBV.<B|H|W|D>

Following MSA instructions from "TEROP" group are affected:

 - BINSL.<B|H|W|D>
 - BINSR.<B|H|W|D>
 - DPADD_S.<B|H|W|D>
 - DPADD_U.<B|H|W|D>
 - DPSUB_S.<B|H|W|D>
 - DPSUB_U.<B|H|W|D>
 - MADD_Q.<B|H|W|D>
 - MADDR_Q.<B|H|W|D>
 - MADDV.<B|H|W|D>
 - MSUB_Q.<B|H|W|D>
 - MSUBR_Q.<B|H|W|D>
 - MSUBV.<B|H|W|D>

Additionally, following MSA instructionas are also affected:

 - ILVL.<B|H|W|D>
 - ILVR.<B|H|W|D>
 - ILVEV.<B|H|W|D>
 - ILVOD.<B|H|W|D>
 - PCKEV.<B|H|W|D>
 - PCKOD.<B|H|W|D>

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1551718283-4487-2-git-send-email-mateja.marjanovic@rt-rk.com>
2019-06-01 20:20:20 +02:00
Aleksandar Markovic
baf5001115 target/mips: Clean up lmi_helper.c
Remove several minor checkpatch warnings and errors.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1556018982-3715-7-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-01 20:20:20 +02:00
Aleksandar Markovic
f49ab2e1e6 target/mips: Clean up dsp_helper.c
Remove several minor checkpatch warnings and errors.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1556018982-3715-6-git-send-email-aleksandar.markovic@rt-rk.com>
2019-06-01 20:20:20 +02:00
Mateja Marjanovic
fd487f83ea target/mips: Add emulation of MMI instruction PCPYUD
Add emulation of MMI instruction PCPYUD. The emulation is implemented
using TCG front end operations directly to achieve better performance.

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1551712405-2530-4-git-send-email-mateja.marjanovic@rt-rk.com>
2019-06-01 20:20:20 +02:00
Mateja Marjanovic
b87eef31f2 target/mips: Add emulation of MMI instruction PCPYLD
Add emulation of MMI instruction PCPYLD. The emulation is implemented
using TCG front end operations directly to achieve better performance.

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1551712405-2530-3-git-send-email-mateja.marjanovic@rt-rk.com>
2019-06-01 20:20:20 +02:00
Mateja Marjanovic
d3434d9f78 target/mips: Add emulation of MMI instruction PCPYH
Add emulation of MMI instruction PCPYH. The emulation is implemented
using TCG front end operations directly to achieve better performance.

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1551712405-2530-2-git-send-email-mateja.marjanovic@rt-rk.com>
2019-06-01 20:20:20 +02:00
Peter Maydell
8c1ecb5904 Various testing updates
- semihosting re-factor (used in system tests)
   - aarch64 and alpha system tests
   - editorconfig tweak for .S
   - some docker image updates
   - iotests clean-up (without make check inclusion)
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-next-280519-2' into staging

Various testing updates

  - semihosting re-factor (used in system tests)
  - aarch64 and alpha system tests
  - editorconfig tweak for .S
  - some docker image updates
  - iotests clean-up (without make check inclusion)

# gpg: Signature made Tue 28 May 2019 17:26:34 BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-next-280519-2: (27 commits)
  tests/qemu-iotests: re-format output to for make check-block
  tests/qemu-iotests/group: Re-use the "auto" group for tests that can always run
  Makefile.target: support per-target coverage reports
  Makefile: include per-target build directories in coverage report
  Makefile: fix coverage-report reference to BUILD_DIR
  .travis.yml: enable aarch64-softmmu and alpha-softmmu tcg tests
  tests/tcg/alpha: add system boot.S
  tests/tcg/multiarch: expand system memory test to cover more
  tests/tcg/minilib: support %c format char
  tests/tcg/multiarch: move the system memory test
  tests/tcg/aarch64: add system boot.S
  editorconfig: add settings for .s/.S files
  tests/tcg/multiarch: add hello world system test
  tests/tcg/multiarch: add support for multiarch system tests
  tests/docker: Test more components on the Fedora default image
  tests/docker: add ubuntu 18.04
  MAINTAINERS: update for semihostings new home
  target/mips: convert UHI_plog to use common semihosting code
  target/mips: only build mips-semi for softmmu
  target/arm: correct return values for WRITE/READ in arm-semi
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-05-28 17:38:32 +01:00
Alex Bennée
54eb6cda9d target/mips: convert UHI_plog to use common semihosting code
Rather than printing directly to stdout lets use our common
semihosting code. There is one minor difference in that the output
currently defaults to stderr instead of stdout however this can be
controlled by connecting semihosting to a chardev.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-05-28 10:28:51 +01:00
Alex Bennée
82ba42666c target/mips: only build mips-semi for softmmu
The is_uhi gates all semihosting calls and always returns false for
CONFIG_USER_ONLY builds. There is no reason to build and link
mips-semi for these builds so lets fix that.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-28 10:28:51 +01:00
Alex Bennée
f1672e6f2b semihosting: move semihosting configuration into its own directory
In preparation for having some more common semihosting code let's
excise the current config magic from vl.c into its own file. We shall
later add more conditionals to the build configurations so we can
avoid building this if we don't need it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-28 10:28:50 +01:00
Jules Irenge
9e72f33d85 target/mips: realign comments to fix checkpatch warnings
Realign comments to fix warnings issued by checkpatc.pl tool
 "WARNING: Block comments use a leading /* on a separate line"
within "target/mips/cpu.h" file.

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <20190413202818.13622-3-jbi.octave@gmail.com>
2019-05-26 17:44:55 +02:00
Jules Irenge
8ebf2e1a68 target/mips: add or remove space to fix checkpatch errors
Add or remove space to fix errors issued by checkpatch.pl tool
"ERROR: spaces required around that..."
"ERROR: space required after that..."
"ERROR: space required before the open parenthesis"
"ERROR: space required after that..."
"ERROR: space prohibited between function name and open parenthesis"
"ERROR: code indent should never use tabs"
"ERROR: line over 90 characters"
within "target/mips/cpu.h" file.

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <20190413202818.13622-2-jbi.octave@gmail.com>
2019-05-26 17:44:44 +02:00
Jakub Jermář
7353113fa4 mips: Decide to map PAGE_EXEC in map_address
This commit addresses QEMU Bug #1825311:

  mips_cpu_handle_mmu_fault renders all accessed pages executable

It allows finer-grained control over whether the accessed page should
be executable by moving the decision to the underlying map_address
function, which has more information for this.

As a result, pages that have the XI bit set in the TLB and are accessed
for read/write, don't suddenly end up being executable.

Fixes: https://bugs.launchpad.net/qemu/+bug/1825311
Fixes: 2fb58b7374 ('target-mips: add RI and XI fields to TLB entry')

Signed-off-by: Jakub Jermář <jakub.jermar@kernkonzept.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190517123533.868479-1-jakub.jermar@kernkonzept.com>
2019-05-26 17:33:24 +02:00
Mateja Marjanovic
c1c9a10fb1 target/mips: Refactor and fix INSERT.<B|H|W|D> instructions
The old version of the helper for the INSERT.<B|H|W|D> MSA instructions
has been replaced with four helpers that don't use switch, and change
the endianness of the given index, when executed on a big endian host.

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1554212605-16457-6-git-send-email-mateja.marjanovic@rt-rk.com>
2019-05-26 17:33:16 +02:00
Mateja Marjanovic
41d2885827 target/mips: Refactor and fix COPY_U.<B|H|W> instructions
The old version of the helper for the COPY_U.<B|H|W> MSA instructions
has been replaced with four helpers that don't use switch, and change
the endianness of the given index, when executed on a big endian host.

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1554212605-16457-5-git-send-email-mateja.marjanovic@rt-rk.com>
2019-05-26 17:33:05 +02:00
Mateja Marjanovic
631c467461 target/mips: Refactor and fix COPY_S.<B|H|W|D> instructions
The old version of the helper for the COPY_S.<B|H|W|D> MSA instructions
has been replaced with four helpers that don't use switch, and change
the endianness of the given index, when executed on a big endian host.

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1554212605-16457-4-git-send-email-mateja.marjanovic@rt-rk.com>
2019-05-26 17:32:57 +02:00
Mateja Marjanovic
6decc572dc target/mips: Fix MSA instructions ST.<B|H|W|D> on big endian host
Fix the case when the host is a big endian machine, and change
the approach toward ST.<B|H|W|D> instruction helpers.

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1554212605-16457-3-git-send-email-mateja.marjanovic@rt-rk.com>
2019-05-26 17:32:52 +02:00
Mateja Marjanovic
83be6b5412 target/mips: Fix MSA instructions LD.<B|H|W|D> on big endian host
Fix the case when the host is a big endian machine, and change
the approach toward LD.<B|H|W|D> instruction helpers.

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1554212605-16457-2-git-send-email-mateja.marjanovic@rt-rk.com>
2019-05-26 17:32:45 +02:00
Mateja Marjanovic
cf122bf8d2 target/mips: Make the results of MOD_<U|S>.<B|H|W|D> the same as on hardware
MSA instructions MOD_<U|S>.<B|H|W|D> when dividing by zero,
didn't return the same value when executed on a referent hardware
(FPGA MIPS 64 r6, little endian) and when executed on QEMU, which
is not a real bug, because the result when dividing by zero is
UNPREDICTABLE [1] (page 255, 256).

[1] MIPS Architecture for Programmers
    Volume IV-j: The MIPS64 SIMD
    Architecture Module, Revision 1.12

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1554207110-9113-3-git-send-email-mateja.marjanovic@rt-rk.com>
2019-05-26 17:32:37 +02:00
Mateja Marjanovic
d2a40a5f69 target/mips: Make the results of DIV_<U|S>.<B|H|W|D> the same as on hardware
MSA instructions DIV_<U|S>.<B|H|W|D> when dividing by zero,
didn't return the same value when executed on a referent hardware
(FPGA MIPS 64 r6, little endian) and when executed on QEMU, which
is not a real bug, because the result when dividing by zero is
UNPREDICTABLE [1] (page 141, 142).

[1] MIPS Architecture for Programmers
    Volume IV-j: The MIPS64 SIMD
    Architecture Module, Revision 1.12

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1554207110-9113-2-git-send-email-mateja.marjanovic@rt-rk.com>
2019-05-26 17:32:31 +02:00
Richard Henderson
c319dc1357 tcg: Use CPUClass::tlb_fill in cputlb.c
We can now use the CPUClass hook instead of a named function.

Create a static tlb_fill function to avoid other changes within
cputlb.c.  This also isolates the asserts within.  Remove the
named tlb_fill function from all of the targets.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-10 11:12:50 -07:00
Richard Henderson
931d019f5b target/mips: Convert to CPUClass::tlb_fill
Note that env->active_tc.PC is removed from the qemu_log as that value
is garbage.  The PC isn't recovered until cpu_restore_state, called from
cpu_loop_exit_restore, called from do_raise_exception_err.

Cc: Aleksandar Markovic <amarkovic@wavecomp.com>
Cc: Aleksandar Rikalo <arikalo@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-10 11:12:50 -07:00
Richard Henderson
e38f4eb630 target/mips: Tidy control flow in mips_cpu_handle_mmu_fault
Since the only non-negative TLBRET_* value is TLBRET_MATCH,
the subsequent test for ret < 0 is useless.  Use early return
to allow subsequent blocks to be unindented.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-10 11:12:50 -07:00
Richard Henderson
995ffde962 target/mips: Pass a valid error to raise_mmu_exception for user-only
At present we give ret = 0, or TLBRET_MATCH.  This gets matched
by the default case, which falls through to TLBRET_BADADDR.
However, it makes more sense to use a proper value.  All of the
tlb-related exceptions are handled identically in cpu_loop.c,
so TLBRET_BADADDR is as good as any other.  Retain it.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-10 11:12:50 -07:00
Richard Henderson
8b86d6d258 tcg: Hoist max_insns computation to tb_gen_code
In order to handle TB's that translate to too much code, we
need to place the control of the length of the translation
in the hands of the code gen master loop.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-04-24 13:04:33 -07:00
Markus Armbruster
90c84c5600 qom/cpu: Simplify how CPUClass:cpu_dump_state() prints
CPUClass method dump_statistics() takes an fprintf()-like callback and
a FILE * to pass to it.  Most callers pass fprintf() and stderr.
log_cpu_state() passes fprintf() and qemu_log_file.
hmp_info_registers() passes monitor_fprintf() and the current monitor
cast to FILE *.  monitor_fprintf() casts it right back, and is
otherwise identical to monitor_printf().

The callback gets passed around a lot, which is tiresome.  The
type-punning around monitor_fprintf() is ugly.

Drop the callback, and call qemu_fprintf() instead.  Also gets rid of
the type-punning, since qemu_fprintf() takes NULL instead of the
current monitor cast to FILE *.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190417191805.28198-15-armbru@redhat.com>
2019-04-18 22:18:59 +02:00