OSDN Git Service
Richard Henderson [Wed, 20 Sep 2023 10:04:29 +0000 (12:04 +0200)]
target/hppa: Implement EXTRD
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Wed, 20 Sep 2023 09:44:17 +0000 (11:44 +0200)]
target/hppa: Implement DEPD, DEPDI
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 06:47:42 +0000 (23:47 -0700)]
target/hppa: Implement LDD, LDCD, LDDA, STD, STDA
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 05:25:30 +0000 (22:25 -0700)]
target/hppa: Decode ADDB double-word
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 05:06:04 +0000 (22:06 -0700)]
target/hppa: Decode CMPIB double-word
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 04:56:39 +0000 (21:56 -0700)]
target/hppa: Decode d for cmpb instructions
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 04:41:32 +0000 (21:41 -0700)]
target/hppa: Decode d for bb instructions
Manipulate the shift count so that the bit to be tested
is always placed at the MSB.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 04:25:44 +0000 (21:25 -0700)]
target/hppa: Decode d for sub instructions
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 03:51:13 +0000 (20:51 -0700)]
target/hppa: Decode d for add instructions
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 03:40:23 +0000 (20:40 -0700)]
target/hppa: Decode d for cmpclr instructions
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 03:32:37 +0000 (20:32 -0700)]
target/hppa: Decode d for unit instructions
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 03:21:14 +0000 (20:21 -0700)]
target/hppa: Decode d for logical instructions
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 04:06:49 +0000 (21:06 -0700)]
target/hppa: Remove TARGET_HPPA64
Allow both user-only and system mode to run pa2.0 cpus.
Avoid creating a separate qemu-system-hppa64 binary;
force the qemu-hppa binary to use TARGET_ABI32.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Wed, 18 Oct 2023 03:48:38 +0000 (20:48 -0700)]
target/hppa: Drop attempted gdbstub support for hppa64
There is no support for hppa64 in gdb. Any attempt to provide the
data for the larger hppa64 registers results in an error from gdb.
Mask CR_SAR writes to the width of the register: 5 or 6 bits.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Tue, 17 Oct 2023 21:09:58 +0000 (14:09 -0700)]
linux-user/hppa: Fixes for TARGET_ABI32
Avoid target_ulong and use abi_* types.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 02:52:46 +0000 (19:52 -0700)]
target/hppa: Pass d to do_unit_cond
Hoist the resolution of d up one level above do_unit_cond.
All computations are logical, and are simplified by using a mask of the
correct width, after which the result may be compared with zero.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 02:34:39 +0000 (19:34 -0700)]
target/hppa: Pass d to do_sed_cond
Hoist the resolution of d up one level above do_sed_cond.
The MOVB comparison and the existing shift/extract/deposit
are all 32-bit.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 02:30:10 +0000 (19:30 -0700)]
target/hppa: Pass d to do_log_cond
Hoist the resolution of d up one level above do_log_cond.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 02:28:12 +0000 (19:28 -0700)]
target/hppa: Pass d to do_sub_cond
Hoist the resolution of d up one level above do_sub_cond.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 02:26:15 +0000 (19:26 -0700)]
target/hppa: Pass d to do_cond
Hoist the resolution of d up one level above do_cond.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Helge Deller [Mon, 16 Oct 2023 12:43:18 +0000 (14:43 +0200)]
target/hppa: sar register allows only 5 bits on 32-bit CPU
The sar shift amount register is limited to 5 bits when running
a 32-bit CPU. Strip off the remaining bits.
The interesting part is, that this register allows to detect at runtime
if a physical CPU is capable to execute PA2.0 (64-bit) instructions.
Signed-off-by: Helge Deller <deller@gmx.de>
Richard Henderson [Fri, 27 Oct 2023 02:03:34 +0000 (19:03 -0700)]
target/hppa: Mask inputs in copy_iaoq_entry
Ensure that the destination is always a valid GVA offset.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Fri, 27 Oct 2023 01:55:54 +0000 (18:55 -0700)]
target/hppa: Use copy_iaoq_entry for link in do_ibranch
We need to make sure the link is masked properly along the
use_nullify_skip path. The other three settings of a link
register already use this.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Fri, 27 Oct 2023 01:51:25 +0000 (18:51 -0700)]
target/hppa: Always use copy_iaoq_entry to set cpu_iaoq_[fb]
This will be how we ensure that the IAOQ is always
valid per PSW.W, therefore all stores to these two
variables must be done with this function.
Use third argument -1 if the destination is always dynamic,
and fourth argument NULL if the destination is always static.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Fri, 27 Oct 2023 01:34:01 +0000 (18:34 -0700)]
target/hppa: Pass DisasContext to copy_iaoq_entry
Interface change only, no functional effect.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sat, 16 Sep 2023 23:52:51 +0000 (16:52 -0700)]
target/hppa: Fix hppa64 addressing
In form_gva and cpu_get_tb_cpu_state, we must truncate when PSW_W == 0.
In space_select, the bits that choose the space depend on PSW_W.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Tue, 19 Sep 2023 13:43:57 +0000 (15:43 +0200)]
target/hppa: Adjust hppa_cpu_dump_state for hppa64
Dump all 64 bits for pa2.0 and low 32 bits for pa1.x.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 21:54:16 +0000 (14:54 -0700)]
target/hppa: Handle absolute addresses for pa2.0
With pa2.0, absolute addresses are not the same as physical addresses,
and undergo a transformation based on PSW_W.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Thu, 21 Sep 2023 08:13:35 +0000 (10:13 +0200)]
target/hppa: Update cpu_hppa_get/put_psw for hppa64
With 64-bit registers, there are 16 carry bits in the PSW.
Clear reserved bits based on cpu revision.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 18 Sep 2023 01:42:27 +0000 (18:42 -0700)]
target/hppa: Implement hppa_cpu_class_by_name
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 18 Sep 2023 01:38:59 +0000 (18:38 -0700)]
target/hppa: Implement cpu_list
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Fri, 13 Oct 2023 00:46:55 +0000 (17:46 -0700)]
target/hppa: Make HPPA_BTLB_ENTRIES variable
Depend on hppa_is_pa20.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 22:31:47 +0000 (15:31 -0700)]
target/hppa: Introduce TYPE_HPPA64_CPU
Prepare for the qemu binary supporting both pa10 and pa20
at the same time.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Tue, 19 Sep 2023 14:07:14 +0000 (16:07 +0200)]
target/hppa: Fix extrw and depw with sar for hppa64
These are 32-bit operations regardless of processor.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Tue, 17 Oct 2023 23:39:47 +0000 (16:39 -0700)]
target/hppa: Fix bb_sar for hppa64
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Tue, 17 Oct 2023 23:16:03 +0000 (16:16 -0700)]
target/hppa: Fix do_add, do_sub for hppa64
Select the proper carry bit for input to the arithmetic
and for output for the condition.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sat, 16 Sep 2023 23:28:23 +0000 (16:28 -0700)]
target/hppa: Fix trans_ds for hppa64
This instruction always uses the input carry from bit 32,
but produces all 16 output carry bits.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sat, 16 Sep 2023 23:22:14 +0000 (16:22 -0700)]
target/hppa: Truncate rotate count in trans_shrpw_sar
When forcing rotate by i32, the shift count must be as well.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sat, 16 Sep 2023 23:20:28 +0000 (16:20 -0700)]
target/hppa: Fix load in do_load_32
The destination is TCGv_i32, so use tcg_gen_qemu_ld_i32
not tcg_gen_qemu_ld_reg.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sat, 16 Sep 2023 23:19:27 +0000 (16:19 -0700)]
target/hppa: Fix hppa64 case in machine.c
Typo of VMSTATE_UINTTR_V and VMSTATE_UINTTR_ARRAY_V macros.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Wed, 20 Sep 2023 09:47:02 +0000 (11:47 +0200)]
target/hppa: Remove load_const
Replace with tcg_constant_reg.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 04:05:03 +0000 (21:05 -0700)]
target/hppa: Remove get_temp_tl
Replace with tcg_temp_new_tl without recording into ctx.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 17 Sep 2023 04:02:42 +0000 (21:02 -0700)]
target/hppa: Remove get_temp
Replace with tcg_temp_new without recording into ctx.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Fri, 27 Oct 2023 07:24:30 +0000 (00:24 -0700)]
target/hppa: Populate an interval tree with valid tlb entries
Complete the data structure conversion started earlier. This reduces
the perf overhead of hppa_get_physical_address from ~5% to ~0.25%.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Wed, 1 Nov 2023 23:07:48 +0000 (16:07 -0700)]
target/hppa: Split out hppa_flush_tlb_range
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Fri, 27 Oct 2023 08:09:21 +0000 (01:09 -0700)]
target/hppa: Always report one page to tlb_set_page
No need to trigger the large_page_mask code unnecessarily.
Drop the now unused HPPATLBEntry.page_size field.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Fri, 27 Oct 2023 05:21:47 +0000 (22:21 -0700)]
target/hppa: Use IntervalTreeNode in HPPATLBEntry
Replace the va_b and va_b fields with the interval tree node.
The actual interval tree is not yet used.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Fri, 27 Oct 2023 05:13:12 +0000 (22:13 -0700)]
target/hppa: Rename hppa_tlb_entry to HPPATLBEntry
Rename to CamelCase per coding style.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Wed, 1 Nov 2023 22:17:04 +0000 (15:17 -0700)]
target/hppa: Include PSW_P in tb flags and mmu index
Use a separate mmu index for PSW_P enabled vs disabled.
This means we can elide the tlb flush in cpu_hppa_put_psw
when PSW_P changes. This turns out to be the majority
of all tlb flushes.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Stefan Hajnoczi [Mon, 6 Nov 2023 01:34:22 +0000 (09:34 +0800)]
Merge tag 'pull-sp-
20231105' of https://gitlab.com/rth7680/qemu into staging
target/sparc: Explicitly compute condition codes
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# gpg: Signature made Mon 06 Nov 2023 04:09:46 HKT
# gpg: using RSA key
7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* tag 'pull-sp-
20231105' of https://gitlab.com/rth7680/qemu: (21 commits)
target/sparc: Check for invalid cond in gen_compare_reg
target/sparc: Implement UDIV inline
target/sparc: Implement UDIVX and SDIVX inline
target/sparc: Discard cpu_cond at the end of each insn
target/sparc: Record entire jump condition in DisasContext
target/sparc: Merge gen_op_next_insn into only caller
target/sparc: Pass displacement to advance_jump_cond
target/sparc: Merge advance_jump_uncond_{never,always} into advance_jump_cond
target/sparc: Merge gen_branch2 into advance_pc
target/sparc: Do flush_cond in advance_jump_cond
target/sparc: Always copy conditions into a new temporary
target/sparc: Change DisasCompare.c2 to int
target/sparc: Remove DisasCompare.is_bool
target/sparc: Remove CC_OP leftovers
target/sparc: Remove CC_OP_TADDTV, CC_OP_TSUBTV
target/sparc: Remove CC_OP_SUB, CC_OP_SUBX, CC_OP_TSUB
target/sparc: Remove CC_OP_ADD, CC_OP_ADDX, CC_OP_TADD
target/sparc: Remove CC_OP_DIV
target/sparc: Remove CC_OP_LOGIC
target/sparc: Split psr and xcc into components
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Mon, 6 Nov 2023 00:37:22 +0000 (08:37 +0800)]
Merge tag 'migration-
20231103-pull-request' of https://gitlab.com/juan.quintela/qemu into staging
Migration Pull request (
20231103)
Hi
In this PULL:
- dirty limit fixes (hyman)
- coverity issues (juan)
Please apply.
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# gpg: Signature made Fri 03 Nov 2023 20:04:40 HKT
# gpg: using RSA key
1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg: aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723
* tag 'migration-
20231103-pull-request' of https://gitlab.com/juan.quintela/qemu:
migration: Unlock mutex in error case
docs/migration: Add the dirty limit section
tests/migration: Introduce dirty-limit into guestperf
tests/migration: Introduce dirty-ring-size option into guestperf
tests: Add migration dirty-limit capability test
system/dirtylimit: Drop the reduplicative check
system/dirtylimit: Fix a race situation
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Mon, 6 Nov 2023 00:36:47 +0000 (08:36 +0800)]
Merge tag 'dump-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging
dump queue
Hi
The "dump" queue, with:
- [PATCH v3 qemu 0/3] Allow dump-guest-memory to output standard kdump format
- [PATCH v2 0/5] dump: Minor fixes & improvements
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# gpg: Signature made Fri 03 Nov 2023 15:01:21 HKT
# gpg: using RSA key
87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5
* tag 'dump-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
dump: Drop redundant check for empty dump
dump: Improve some dump-guest-memory error messages
dump: Recognize "fd:" protocols on Windows hosts
dump: Fix g_array_unref(NULL) in dump-guest-memory
dump: Rename qmp_dump_guest_memory() parameter to match QAPI schema
dump: Add command interface for kdump-raw formats
dump: Allow directly outputting raw kdump format
dump: Pass DumpState to write_ functions
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Mon, 6 Nov 2023 00:35:47 +0000 (08:35 +0800)]
Merge tag 'pull-loongarch-
20231103' of https://gitlab.com/gaosong/qemu into staging
pull-loongarch-
20231103
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# gpg: Signature made Fri 03 Nov 2023 14:16:02 HKT
# gpg: using RSA key
B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.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: B8FF 1DA0 D2FD CB2D A09C 6C2C 40A2 FFF2 3926 3EDF
* tag 'pull-loongarch-
20231103' of https://gitlab.com/gaosong/qemu:
linux-user/loongarch64: Add LASX sigcontext save/restore
linux-user/loongarch64: Add LSX sigcontext save/restore
linux-user/loongarch64: Use abi_{ulong,uint} types
linux-user/loongarch64: setup_sigframe() set 'end' context size 0
linux-user/loongarch64: Fix setup_extcontext alloc wrong fpu_context size
linux-user/loongarch64: Use traps to track LSX/LASX usage
target/loongarch: Support 4K page size
target/loongarch: Implement query-cpu-model-expansion
target/loongarch: Allow user enable/disable LSX/LASX features
target/loongarch: Add cpu model 'max'
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Richard Henderson [Sat, 21 Oct 2023 07:46:33 +0000 (00:46 -0700)]
target/sparc: Check for invalid cond in gen_compare_reg
Consolidate the test here; drop the "inverted logic".
Fix MOVr and FMOVR, which were missing the invalid test.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 23:16:05 +0000 (16:16 -0700)]
target/sparc: Implement UDIV inline
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 21:35:05 +0000 (14:35 -0700)]
target/sparc: Implement UDIVX and SDIVX inline
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 19:24:23 +0000 (12:24 -0700)]
target/sparc: Discard cpu_cond at the end of each insn
If the insn raises no exceptions, there will be no path in which
cpu_cond is used, and so the computation may be optimized away.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 18:24:32 +0000 (11:24 -0700)]
target/sparc: Record entire jump condition in DisasContext
Use the original condition instead of consuming cpu_cond,
which will now only be live along exception paths.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 18:07:31 +0000 (11:07 -0700)]
target/sparc: Merge gen_op_next_insn into only caller
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sat, 21 Oct 2023 07:31:41 +0000 (00:31 -0700)]
target/sparc: Pass displacement to advance_jump_cond
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 17:59:38 +0000 (10:59 -0700)]
target/sparc: Merge advance_jump_uncond_{never,always} into advance_jump_cond
Handle these via TCG_COND_{ALWAYS,NEVER}.
Allow dc->npc to be variable, using gen_mov_pc_npc.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 17:32:50 +0000 (10:32 -0700)]
target/sparc: Merge gen_branch2 into advance_pc
The function had only one caller. Canonicalize the cpu_cond
test to TCG_COND_NE, the "natural" sense of its value.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Tue, 17 Oct 2023 04:55:40 +0000 (21:55 -0700)]
target/sparc: Do flush_cond in advance_jump_cond
Do this here instead of in each caller.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 16:03:10 +0000 (09:03 -0700)]
target/sparc: Always copy conditions into a new temporary
This will allow the condition to live across changes to
the global cc variables.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 15:55:51 +0000 (08:55 -0700)]
target/sparc: Change DisasCompare.c2 to int
We don't require c2 to be variable, so emphasize that.
We don't currently require c2 to be non-zero, but that will change.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 16 Oct 2023 15:43:24 +0000 (08:43 -0700)]
target/sparc: Remove DisasCompare.is_bool
Since we're going to feed cpu_cond to another comparison, we don't
reqire a boolean value -- anything non-zero is sufficient.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 15 Oct 2023 04:55:27 +0000 (21:55 -0700)]
target/sparc: Remove CC_OP leftovers
All instructions have been converted to generate
full condition codes explicitly.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 15 Oct 2023 04:38:12 +0000 (21:38 -0700)]
target/sparc: Remove CC_OP_TADDTV, CC_OP_TSUBTV
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 15 Oct 2023 04:23:27 +0000 (21:23 -0700)]
target/sparc: Remove CC_OP_SUB, CC_OP_SUBX, CC_OP_TSUB
These are all related and implementable with common code.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 15 Oct 2023 04:03:26 +0000 (21:03 -0700)]
target/sparc: Remove CC_OP_ADD, CC_OP_ADDX, CC_OP_TADD
These are all related and implementable with common code.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 15 Oct 2023 02:44:03 +0000 (19:44 -0700)]
target/sparc: Remove CC_OP_DIV
Return both result and overflow from helper_[us]div.
Compute all flags explicitly in gen_op_[us]divcc.
Marginally improve the INT64_MIN special case in helper_sdiv.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 15 Oct 2023 03:15:19 +0000 (20:15 -0700)]
target/sparc: Remove CC_OP_LOGIC
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 15 Oct 2023 01:24:19 +0000 (18:24 -0700)]
target/sparc: Split psr and xcc into components
Step in removing CC_OP: change the representation of CC_OP_FLAGS.
The 8 bits are distributed between 6 variables, which should make
it easy to keep up to date.
The code within cc_helper.c is quite ugly but is only temporary.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sat, 14 Oct 2023 21:01:08 +0000 (14:01 -0700)]
target/sparc: Introduce cpu_put_psr_icc
Isolate linux-user from changes to icc representation.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Juan Quintela [Fri, 3 Nov 2023 07:42:45 +0000 (08:42 +0100)]
migration: Unlock mutex in error case
We were not unlocking bitmap mutex on the error case. To fix it
forever change to enclose the code with WITH_QEMU_LOCK_GUARD().
Coverity CID
1523750.
Fixes:
a2326705e5 ("migration: Stop migration immediately in RDMA error paths")
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <
20231103074245.55166-1-quintela@redhat.com>
Hyman Huang [Wed, 1 Nov 2023 14:04:09 +0000 (22:04 +0800)]
docs/migration: Add the dirty limit section
The dirty limit feature has been introduced since the 8.1
QEMU release but has not reflected in the document, add a
section for that.
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <
0f2b2c63fec22ea23e4926cdeb567b7a0ebd8152.
1698847223.git.yong.huang@smartx.com>
Hyman Huang [Wed, 1 Nov 2023 14:04:08 +0000 (22:04 +0800)]
tests/migration: Introduce dirty-limit into guestperf
Currently, guestperf does not cover the dirty-limit
migration, support this feature.
Note that dirty-limit requires 'dirty-ring-size' set.
To enable dirty-limit, setting x-vcpu-dirty-limit-period
as 500ms and x-vcpu-dirty-limit as 10MB/s:
$ ./tests/migration/guestperf.py \
--dirty-ring-size 4096 \
--dirty-limit --x-vcpu-dirty-limit-period 500 \
--vcpu-dirty-limit 10 --output output.json \
To run the entire standardized set of dirty-limit-enabled
comparisons, with unix migration:
$ ./tests/migration/guestperf-batch.py \
--dirty-ring-size 4096 \
--dst-host localhost --transport unix \
--filter compr-dirty-limit* --output outputdir
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-Id: <
516e7a55dfc6e33d33510be37eb24223de5dc072.
1697815117.git.yong.huang@smartx.com>
Message-ID: <
e1283565b00b34b0377bbd27bee4bb8fc7c255a8.
1698847223.git.yong.huang@smartx.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Hyman Huang [Wed, 1 Nov 2023 14:04:07 +0000 (22:04 +0800)]
tests/migration: Introduce dirty-ring-size option into guestperf
Dirty ring size configuration is not supported by guestperf tool.
Introduce dirty-ring-size (ranges in [1024, 65536]) option so
developers can play with dirty-ring and dirty-limit feature easier.
To set dirty ring size with 4096 during migration test:
$ ./tests/migration/guestperf.py --dirty-ring-size 4096 xxx
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <
8a388cec5c1f73a34d42515bbc43837e97ee3839.
1698847223.git.yong.huang@smartx.com>
Hyman Huang [Wed, 1 Nov 2023 14:04:06 +0000 (22:04 +0800)]
tests: Add migration dirty-limit capability test
Add migration dirty-limit capability test if kernel support
dirty ring.
Migration dirty-limit capability introduce dirty limit
capability, two parameters: x-vcpu-dirty-limit-period and
vcpu-dirty-limit are introduced to implement the live
migration with dirty limit.
The test case does the following things:
1. start src, dst vm and enable dirty-limit capability
2. start migrate and set cancel it to check if dirty limit
stop working.
3. restart dst vm
4. start migrate and enable dirty-limit capability
5. check if migration satisfy the convergence condition
during pre-switchover phase.
Note that this test case involves many passes, so it runs
in slow mode only.
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <
e55a302df9da7dbc00ad825f47f57c1a756d303e.
1698847223.git.yong.huang@smartx.com>
Hyman Huang [Wed, 1 Nov 2023 14:04:05 +0000 (22:04 +0800)]
system/dirtylimit: Drop the reduplicative check
Checking if dirty limit is in service is done by the
dirtylimit_query_all function, drop the reduplicative
check in the qmp_query_vcpu_dirty_limit function.
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <
df9c3514933ff6750ef88068af18d3054bedf746.
1698847223.git.yong.huang@smartx.com>
Hyman Huang [Wed, 1 Nov 2023 14:04:04 +0000 (22:04 +0800)]
system/dirtylimit: Fix a race situation
Fix a race situation for global variable dirtylimit_state.
Also, replace usleep by g_usleep to increase platform
accessibility to the sleep function.
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <
27c86239e21eda03d11ce5a3d07da3c229f562e3.
1698847223.git.yong.huang@smartx.com>
Song Gao [Wed, 1 Nov 2023 03:08:16 +0000 (11:08 +0800)]
linux-user/loongarch64: Add LASX sigcontext save/restore
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20231101030816.
2353416-7-gaosong@loongson.cn>
Song Gao [Wed, 1 Nov 2023 03:08:15 +0000 (11:08 +0800)]
linux-user/loongarch64: Add LSX sigcontext save/restore
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20231101030816.
2353416-6-gaosong@loongson.cn>
Song Gao [Wed, 1 Nov 2023 03:08:14 +0000 (11:08 +0800)]
linux-user/loongarch64: Use abi_{ulong,uint} types
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20231101030816.
2353416-5-gaosong@loongson.cn>
Song Gao [Wed, 1 Nov 2023 03:08:13 +0000 (11:08 +0800)]
linux-user/loongarch64: setup_sigframe() set 'end' context size 0
See:
https://github.com/torvalds/linux/blob/master/arch/loongarch/kernel/signal.c
The kernel setup_sigcontext() set end context size 0.
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20231101030816.
2353416-4-gaosong@loongson.cn>
Song Gao [Wed, 1 Nov 2023 03:08:12 +0000 (11:08 +0800)]
linux-user/loongarch64: Fix setup_extcontext alloc wrong fpu_context size
See:
https://github.com/torvalds/linux/blob/master/arch/loongarch/kernel/signal.c
The alloc size is sizeof(struct target_fpu_context).
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20231101030816.
2353416-3-gaosong@loongson.cn>
Richard Henderson [Wed, 1 Nov 2023 03:08:11 +0000 (11:08 +0800)]
linux-user/loongarch64: Use traps to track LSX/LASX usage
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20231101030816.
2353416-2-gaosong@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Song Gao [Mon, 23 Oct 2023 02:40:59 +0000 (10:40 +0800)]
target/loongarch: Support 4K page size
The LoongArch kernel supports 4K page size.
Change TARGET_PAGE_BITS to 12.
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <
20231023024059.
3858349-1-gaosong@loongson.cn>
Song Gao [Fri, 20 Oct 2023 08:49:25 +0000 (16:49 +0800)]
target/loongarch: Implement query-cpu-model-expansion
Add support for the query-cpu-model-expansion QMP command to LoongArch.
We support query the cpu features.
e.g
la464 and max cpu support LSX/LASX, default enable,
la132 not support LSX/LASX.
1. start with '-cpu max,lasx=off'
(QEMU) query-cpu-model-expansion type=static model={"name":"max"}
{"return": {"model": {"name": "max", "props": {"lasx": false, "lsx": true}}}}
2. start with '-cpu la464,lasx=off'
(QEMU) query-cpu-model-expansion type=static model={"name":"la464"}
{"return": {"model": {"name": "max", "props": {"lasx": false, "lsx": true}}}
3. start with '-cpu la132,lasx=off'
qemu-system-loongarch64: can't apply global la132-loongarch-cpu.lasx=off: Property 'la132-loongarch-cpu.lasx' not found
4. start with '-cpu max,lasx=off' or start with '-cpu la464,lasx=off' query cpu model la132
(QEMU) query-cpu-model-expansion type=static model={"name":"la132"}
{"return": {"model": {"name": "la132"}}}
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20231020084925.
3457084-4-gaosong@loongson.cn>
Song Gao [Fri, 20 Oct 2023 08:49:24 +0000 (16:49 +0800)]
target/loongarch: Allow user enable/disable LSX/LASX features
Some users may not need LSX/LASX, this patch allows the user
enable/disable LSX/LASX features.
e.g
'-cpu max,lsx=on,lasx=on' (default);
'-cpu max,lsx=on,lasx=off' (enabled LSX);
'-cpu max,lsx=off,lasx=on' (enabled LASX, LSX);
'-cpu max,lsx=off' (disable LSX and LASX).
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20231020084925.
3457084-3-gaosong@loongson.cn>
Song Gao [Fri, 20 Oct 2023 08:49:23 +0000 (16:49 +0800)]
target/loongarch: Add cpu model 'max'
We use cpu la464 for the 'max' cpu.
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20231020084925.
3457084-2-gaosong@loongson.cn>
Stefan Hajnoczi [Fri, 3 Nov 2023 02:04:12 +0000 (10:04 +0800)]
Merge tag 'pull-target-arm-
20231102' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* linux-user/elfload: Add missing arm64 hwcap values
* stellaris-gamepad: Convert to qdev
* docs/specs: Convert various txt docs to rST
* MAINTAINERS: Make sure that gicv3_internal.h is covered, too
* hw/arm/pxa2xx_gpio: Pass CPU using QOM link property
* hw/watchdog/wdt_imx2: Trace MMIO access and timer activity
* hw/misc/imx7_snvs: Trace MMIO access
* hw/misc/imx6_ccm: Convert DPRINTF to trace events
* hw/i2c/pm_smbus: Convert DPRINTF to trace events
* target/arm: Enable FEAT_MOPS insns in user-mode emulation
* linux-user: Report AArch64 hwcap2 fields above bit 31
* target/arm: Make FEAT_MOPS SET* insns handle Xs == XZR correctly
* target/arm: Fix SVE STR increment
* hw/char/stm32f2xx_usart: implement TX interrupts
* target/arm: Correctly propagate stage 1 BTI guarded bit in a two-stage walk
* xlnx-versal-virt: Add AMD/Xilinx TRNG device
* tag 'pull-target-arm-
20231102' of https://git.linaro.org/people/pmaydell/qemu-arm: (33 commits)
tests/qtest: Introduce tests for AMD/Xilinx Versal TRNG device
hw/arm: xlnx-versal-virt: Add AMD/Xilinx TRNG device
hw/misc: Introduce AMD/Xilix Versal TRNG device
target/arm: Correctly propagate stage 1 BTI guarded bit in a two-stage walk
hw/char/stm32f2xx_usart: Add more definitions for CR1 register
hw/char/stm32f2xx_usart: Update IRQ when DR is written
hw/char/stm32f2xx_usart: Extract common IRQ update code to update_irq()
target/arm: Fix SVE STR increment
target/arm: Make FEAT_MOPS SET* insns handle Xs == XZR correctly
linux-user: Report AArch64 hwcap2 fields above bit 31
target/arm: Enable FEAT_MOPS insns in user-mode emulation
hw/i2c/pm_smbus: Convert DPRINTF to trace events
hw/misc/imx6_ccm: Convert DPRINTF to trace events
hw/misc/imx7_snvs: Trace MMIO access
hw/watchdog/wdt_imx2: Trace timer activity
hw/watchdog/wdt_imx2: Trace MMIO access
hw/arm/pxa2xx_gpio: Pass CPU using QOM link property
MAINTAINERS: Make sure that gicv3_internal.h is covered, too
docs/specs/vmgenid: Convert to rST
docs/specs/vmcoreinfo: Convert to rST
...
Conflicts:
hw/input/stellaris_input.c
The qdev conversion in this pull request ("stellaris-gamepad: Convert
to qdev") eliminates the vmstate_register() call that was converted to
vmstate_register_any() in the conflicting migration pull request.
vmstate_register_any() is no longer necessary now that this device has
been converted to qdev, so take this pull request's version of
stellaris_gamepad.c over the previous pull request's
stellaris_input.c (the file was renamed).
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Fri, 3 Nov 2023 01:57:32 +0000 (09:57 +0800)]
Merge tag 'migration-
20231102-pull-request' of https://gitlab.com/juan.quintela/qemu into staging
Migration Pull request (
20231102)
Hi
In this pull request:
- migration reboot mode (steve)
* I disabled the test because our CI don't like programs using so
much shared memory. Searching for a fix.
- test for postcopy recover (fabiano)
- MigrateAddress QAPI (het)
- better return path error handling (peter)
- traces for downtime (peter)
- vmstate_register() check for duplicates (juan)
thomas find better solutions for s390x and ipmi.
now also works on s390x
Please, apply.
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# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 02 Nov 2023 19:40:03 HKT
# gpg: using RSA key
1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg: aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723
* tag 'migration-
20231102-pull-request' of https://gitlab.com/juan.quintela/qemu: (40 commits)
migration: modify test_multifd_tcp_none() to use new QAPI syntax.
migration: Implement MigrateChannelList to hmp migration flow.
migration: Implement MigrateChannelList to qmp migration flow.
migration: modify migration_channels_and_uri_compatible() for new QAPI syntax
migration: New migrate and migrate-incoming argument 'channels'
migration: Convert the file backend to the new QAPI syntax
migration: convert exec backend to accept MigrateAddress.
migration: convert rdma backend to accept MigrateAddress
migration: convert socket backend to accept MigrateAddress
migration: convert migration 'uri' into 'MigrateAddress'
migration: New QAPI type 'MigrateAddress'
migration: Change ram_dirty_bitmap_reload() retval to bool
tests/migration-test: Add a test for postcopy hangs during RECOVER
migration: Allow network to fail even during recovery
migration: Refactor error handling in source return path
tests/qtest: migration: add reboot mode test
cpr: reboot mode
cpr: relax vhost migration blockers
cpr: relax blockdev migration blockers
migration: per-mode blockers
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tong Ho [Tue, 31 Oct 2023 18:46:11 +0000 (11:46 -0700)]
tests/qtest: Introduce tests for AMD/Xilinx Versal TRNG device
Signed-off-by: Tong Ho <tong.ho@amd.com>
Message-id:
20231031184611.
3029156-4-tong.ho@amd.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tong Ho [Tue, 31 Oct 2023 18:46:10 +0000 (11:46 -0700)]
hw/arm: xlnx-versal-virt: Add AMD/Xilinx TRNG device
Connect the support for Versal True Random Number Generator
(TRNG) device.
Warning: unlike the TRNG component in a real device from the
Versal device familiy, the connected TRNG model is not of
cryptographic grade and is not intended for use cases when
cryptograpically strong TRNG is needed.
Signed-off-by: Tong Ho <tong.ho@amd.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20231031184611.
3029156-3-tong.ho@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tong Ho [Tue, 31 Oct 2023 18:46:09 +0000 (11:46 -0700)]
hw/misc: Introduce AMD/Xilix Versal TRNG device
This adds a non-cryptographic grade implementation of the
model for the True Random Number Generator (TRNG) component
in AMD/Xilinx Versal device family.
This implements all 3 modes defined by the actual hardware
specs, all of which selectable by guest software at will
at anytime:
1) PRNG mode, in which the generated sequence is required to
be reproducible after reseeded by the same 384-bit value
as supplied by guest software.
2) Test mode, in which the generated sequence is required to
be reproducible ater reseeded by the same 128-bit test
seed supplied by guest software.
3) TRNG mode, in which non-reproducible sequence is generated
based on periodic reseed by a suitable entropy source.
This model is only intended for non-real world testing of
guest software, where cryptographically strong PRNG or TRNG
is not needed.
This model supports versions 1 & 2 of the device, with
default to be version 2; the 'hw-version' uint32 property
can be set to 0x0100 to override the default.
Other implemented properties:
- 'forced-prng', uint64
When set to non-zero, mode 3's entropy source is implemented
as a deterministic sequence based on the given value and other
deterministic parameters.
This option allows the emulation to test guest software using
mode 3 and to reproduce data-dependent defects.
- 'fips-fault-events', uint32, bit-mask
bit 3: Triggers the SP800-90B entropy health test fault irq
bit 1: Triggers the FIPS 140-2 continuous test fault irq
Signed-off-by: Tong Ho <tong.ho@amd.com>
Message-id:
20231031184611.
3029156-2-tong.ho@amd.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Markus Armbruster [Tue, 31 Oct 2023 10:45:31 +0000 (11:45 +0100)]
dump: Drop redundant check for empty dump
dump_init() first computes the size of the dump, taking the filter
area into account, and fails if its zero. It then looks for memory in
the filter area, and fails if there is none.
This is redundant: if the size of the dump is zero, there is no
memory, and vice versa. Delete this check.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <
20231031104531.
3169721-6-armbru@redhat.com>
Markus Armbruster [Tue, 31 Oct 2023 10:45:30 +0000 (11:45 +0100)]
dump: Improve some dump-guest-memory error messages
Zero @length is rejected with "Invalid parameter 'length'". Improve
to "parameter 'length' expects a non-zero length".
qemu_open_old() is a wrapper around qemu_open_internal() that throws
away error information. Switch to the wrapper that doesn't:
qemu_create(). Example improvement:
(qemu) dump-guest-memory /dev/fdset/x 0 1
Error: Could not open '/dev/fdset/x': Invalid argument
becomes
Error: Could not parse fdset /dev/fdset/x
@protocol values not starting with "fd:" or "file:" are rejected with
"Invalid parameter 'protocol'". Improve to "parameter 'protocol' must
start with 'file:' or 'fd:'".
While there, make the conditional checking @protocol a little more
obvious.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <
20231031104531.
3169721-5-armbru@redhat.com>
Markus Armbruster [Tue, 31 Oct 2023 10:45:29 +0000 (11:45 +0100)]
dump: Recognize "fd:" protocols on Windows hosts
A few QMP command can work with named file descriptors.
The only way to create a named file descriptor used to be QMP command
getfd, which only works on POSIX hosts. Thus, named file descriptors
were actually usable only there.
They became usable on Windows hosts when we added QMP command
get-win32-socket (commit
4cda177c601 "qmp: add 'get-win32-socket'").
Except in dump-guest-memory, because qmp_dump_guest_memory() compiles
its named file descriptor code only #if !defined(WIN32).
Compile it unconditionally, like we do for the other commands
supporting them.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <
20231031104531.
3169721-4-armbru@redhat.com>
Markus Armbruster [Tue, 31 Oct 2023 10:45:28 +0000 (11:45 +0100)]
dump: Fix g_array_unref(NULL) in dump-guest-memory
When dump_init()'s check for non-zero @length fails, dump_cleanup()
passes null s->string_table_buf to g_array_unref(), which spews "GLib:
g_array_unref: assertion 'array' failed" to stderr.
Guard the g_array_unref().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <
20231031104531.
3169721-3-armbru@redhat.com>