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2021-06-21fuzz: Display hexadecimal value with '0x' prefixPhilippe Mathieu-Daudé1-2/+2
Use memory_region_size() to get the MemoryRegion size, and display it with the '0x' prefix. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210612195842.1595999-1-f4bug@amsat.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-21Remove leading underscores from QEMU definesAhmed Abouzied10-20/+20
Leading underscores followed by a capital letter or underscore are reserved by the C standard. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/369 Signed-off-by: Ahmed Abouzied <email@aabouzied.com> Message-Id: <20210605174938.13782-1-email@aabouzied.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-21Update documentation to refer to new location for issuesStefan Weil2-6/+6
Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210619154253.553446-1-sw@weilnetz.de> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-21docs/tools/virtiofsd: Fix bad rst syntaxThomas Huth1-3/+5
For literal blocks, there has to be an empty line after the two colons, and the block itself should be indented. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20210607180015.924571-1-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-21docs/tools/virtiofsd.rst: Do not hard-code the QEMU binary nameThomas Huth1-7/+7
In downstream, we want to use a different name for the QEMU binary, and some people might also use the docs for non-x86 binaries, that's why we already created the |qemu_system| placeholder in the past. Use it now in the virtiofsd doc, too. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20210607174250.920226-1-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-21docs/interop/live-block-operations: Do not hard-code the QEMU binary nameThomas Huth1-14/+18
In downstream, we want to use a different name for the QEMU binary, and some people might also use the docs for non-x86 binaries, that's why we already created the |qemu_system| placeholder in the past. Use it now in the live-block-operations doc, too. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210607172311.915385-1-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-20Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2021-06-15-v2' ↵Peter Maydell18-475/+626
into staging nbd patches for 2021-06-15 - bug fixes in coroutine aio context handling - rework NBD client connection logic to perform more work in coroutine # gpg: Signature made Fri 18 Jun 2021 18:29:39 BST # gpg: using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A # gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full] # gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full] # gpg: aka "[jpeg image of size 6874]" [full] # Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A * remotes/ericb/tags/pull-nbd-2021-06-15-v2: (34 commits) block/nbd: safer transition to receiving request block/nbd: add nbd_client_connected() helper block/nbd: reuse nbd_co_do_establish_connection() in nbd_open() nbd/client-connection: add option for non-blocking connection attempt block/nbd: split nbd_co_do_establish_connection out of nbd_reconnect_attempt block-coroutine-wrapper: allow non bdrv_ prefix nbd/client-connection: return only one io channel block/nbd: drop BDRVNBDState::sioc block/nbd: don't touch s->sioc in nbd_teardown_connection() block/nbd: use negotiation of NBDClientConnection block/nbd: split nbd_handle_updated_info out of nbd_client_handshake() nbd/client-connection: shutdown connection on release nbd/client-connection: implement connection retry nbd/client-connection: add possibility of negotiation nbd/client-connection: use QEMU_LOCK_GUARD nbd: move connection code from block/nbd to nbd/client-connection block/nbd: introduce nbd_client_connection_release() block/nbd: introduce nbd_client_connection_new() block/nbd: rename NBDConnectThread to NBDClientConnection block/nbd: make nbd_co_establish_connection_cancel() bs-independent ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-06-20linux-user: Use public sigev_notify_thread_id member if availableMichael Forney2-1/+21
_sigev_un._tid is an internal glibc field and is not available on musl libc. The sigevent(7) man page and Linux UAPI headers both use sigev_notify_thread_id as a public way to access this field. musl libc supports this field since 1.2.2[0], and glibc plans to add support as well[1][2]. If sigev_notify_thread_id is not available, fall back to _sigev_un._tid as before. [0] http://git.musl-libc.org/cgit/musl/commit/?id=7c71792e87691451f2a6b76348e83ad1889f1dcb [1] https://www.openwall.com/lists/musl/2019/08/01/5 [2] https://sourceware.org/bugzilla/show_bug.cgi?id=27417 Signed-off-by: Michael Forney <mforney@mforney.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210526035556.7931-1-mforney@mforney.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-06-20linux-user: Fix incorrect use of feature-test-macrosMichael Forney1-4/+3
The _POSIX_C_SOURCE and _XOPEN_SOURCE macros are used by the application to indicate to libc which declarations it should expose. Since qemu does not define them anywhere, it does not make sense to check their value. Instead, since the intent is to determine whether the host struct stat supports the st_*tim fields, use the configure test result which does exactly that. Signed-off-by: Michael Forney <mforney@mforney.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210526035531.7871-1-mforney@mforney.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-06-20linux-user: Check for ieee128 fpbits in PPC64 HWCAP2 feature listKhem Raj1-1/+1
glibc 2.34 is now checking for this in hwcaps at runtime [1] and failing to run the binary if machine does not support 128bit IEEE fp Fixes Fatal glibc error: CPU lacks float128 support (POWER 9 or later required) [1] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=d337345ce145e23c5f3a956f349d924fdf54ce2d;hp=eb24865637a271ab7dad13190330105eab0d478d Signed-off-by: Khem Raj <raj.khem@gmail.com> Cc: Florian Weimer <fweimer@redhat.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210614191729.2981488-1-raj.khem@gmail.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-06-20tests/tcg/linux-test: Check that sigaction can query SIGKILL/SIGSTOPIlya Leoshkevich1-0/+9
Verify that querying is allowed, but making changes isn't. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210601145600.3131040-3-iii@linux.ibm.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-06-20linux-user: Let sigaction query SIGKILL/SIGSTOPIlya Leoshkevich1-1/+5
The kernel allows doing this, so let's allow this in qemu as well. Valgrind relies on this. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210601145600.3131040-2-iii@linux.ibm.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-06-20linux-user: Implement pivot_rootYAMAMOTO Takashi1-0/+21
Used by runc. Signed-off-by: YAMAMOTO Takashi <yamamoto@midokura.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210531055019.10149-6-yamamoto@midokura.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-06-19util/oslib-win32: Fix fatal assertion in qemu_try_memalignStefan Weil1-1/+5
The function is called with alignment == 0 which caused an assertion. Use the code from oslib-posix.c to fix that regression. Fixes: ed6f53f9ca9 Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210611105846.347954-1-sw@weilnetz.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg: expose TCGCond manipulation routinesAlessandro Di Federico2-69/+102
This commit moves into a separate file routines used to manipulate TCGCond. These will be employed by the idef-parser. Signed-off-by: Alessandro Di Federico <ale@rev.ng> Signed-off-by: Paolo Montesel <babush@rev.ng> Message-Id: <20210619093713.1845446-2-ale.qemu@rev.ng> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg: Restart when exhausting the stack frameRichard Henderson1-1/+5
Assume that we'll have fewer temps allocated after restarting with a fewer number of instructions. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg: Allocate sufficient storage in temp_allocate_frameRichard Henderson1-5/+26
This function should have been updated for vector types when they were introduced. Fixes: d2fd745fe8b Resolves: https://gitlab.com/qemu-project/qemu/-/issues/367 Cc: qemu-stable@nongnu.org Tested-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/sparc: Fix temp_allocate_frame vs sparc stack biasRichard Henderson2-12/+13
We should not be aligning the offset in temp_allocate_frame, because the odd offset produces an aligned address in the end. Instead, pass the logical offset into tcg_set_frame and add the stack bias last. Cc: qemu-stable@nongnu.org Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19accel/tcg: Probe the proper permissions for atomic opsRichard Henderson3-44/+83
We had a single ATOMIC_MMU_LOOKUP macro that probed for read+write on all atomic ops. This is incorrect for plain atomic load and atomic store. For user-only, we rely on the host page permissions. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/390 Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tests/tcg: Increase timeout for TCIRichard Henderson2-2/+7
The longest test at the moment seems to be a (slower) aarch64 host, for which test-mmap takes 64 seconds. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Use {set,clear}_helper_retaddrRichard Henderson1-4/+6
Wrap guest memory operations for tci like we do for cpu_ld*_data. We cannot actually use the cpu_ldst.h interface without duplicating the memory trace operations performed within, which will already have been expanded into the tcg opcode stream. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Remove the qemu_ld/st_type macrosRichard Henderson1-65/+100
These macros are only used in one place. By expanding, we get to apply some common-subexpression elimination and create some local variables. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19Revert "tcg/tci: Use exec/cpu_ldst.h interfaces"Richard Henderson1-28/+45
This reverts commit dc09f047eddec8f4a1991c4f5f4a428d7aa3f2c0. For tcg, tracepoints are expanded inline in tcg opcodes. Using a helper which generates a second tracepoint is incorrect. For system mode, the extraction and re-packing of MemOp and mmu_idx lost the alignment information from MemOp. So we were no longer raising alignment exceptions for !TARGET_ALIGNED_ONLY guests. This can be seen in tests/tcg/xtensa/test_load_store.S. For user mode, we must update to the new signature of g2h() so that the revert compiles. We can leave set_helper_retaddr for later. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Split out tci_qemu_ld, tci_qemu_stRichard Henderson1-112/+71
We can share this code between 32-bit and 64-bit loads and stores. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Implement add2, sub2Richard Henderson3-25/+38
We already had the 32-bit versions for a 32-bit host; expand this to 64-bit hosts as well. The 64-bit opcodes are new. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Implement mulu2, muls2Richard Henderson3-15/+42
We already had mulu2_i32 for a 32-bit host; expand this to 64-bit hosts as well. The muls2_i32 and the 64-bit opcodes are new. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Implement clz, ctz, ctpopRichard Henderson3-6/+59
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Implement extract, sextractRichard Henderson3-4/+78
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Implement andc, orc, eqv, nand, norRichard Henderson2-10/+50
These were already present in tcg-target.c.inc, but not in the interpreter. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Implement movcondRichard Henderson3-6/+24
When this opcode is not available in the backend, tcg middle-end will expand this as a series of 5 opcodes. So implementing this saves bytecode space. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Implement goto_ptrRichard Henderson5-2/+44
This operation is critical to staying within the interpretation loop longer, which avoids the overhead of setup and teardown for many TBs. The check in tcg_prologue_init is disabled because TCI does want to use NULL to indicate exit, as opposed to branching to a real epilogue. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Change encoding to uint32_t unitsRichard Henderson5-561/+382
This removes all of the problems with unaligned accesses to the bytecode stream. With an 8-bit opcode at the bottom, we have 24 bits remaining, which are generally split into 6 4-bit slots. This fits well with the maximum length opcodes, e.g. INDEX_op_add2_i32, which have 6 register operands. We have, in previous patches, rearranged things such that there are no operations with a label which have more than one other operand. Which leaves us with a 20-bit field in which to encode a label, giving us a maximum TB size of 512k -- easily large. Change the INDEX_op_tci_movi_{i32,i64} opcodes to tci_mov[il]. The former puts the immediate in the upper 20 bits of the insn, like we do for the label displacement. The later uses a label to reference an entry in the constant pool. Thus, in the worst case we still have a single memory reference for any constant, but now the constants are out-of-line of the bytecode and can be shared between different moves saving space. Change INDEX_op_call to use a label to reference a pair of pointers in the constant pool. This removes the only slightly dodgy link with the layout of struct TCGHelperInfo. The re-encode cannot be done in pieces. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Remove tci_write_regRichard Henderson1-11/+2
Inline it into its one caller, tci_write_reg64. Drop the asserts that are redundant with tcg_read_r. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Emit setcond before brcondRichard Henderson2-85/+35
The encoding planned for tci does not have enough room for brcond2, with 4 registers and a condition as input as well as the label. Resolve the condition into TCG_REG_TMP, and relax brcond to one register plus a label, considering the condition to always be reg != 0. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Reserve r13 for a temporaryRichard Henderson2-0/+2
We're about to adjust the offset range on host memory ops, and the format of branches. Both will require a temporary. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Use ffi for callsRichard Henderson5-104/+151
This requires adjusting where arguments are stored. Place them on the stack at left-aligned positions. Adjust the stack frame to be at entirely positive offsets. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Move call-return regs to end of tcg_target_reg_alloc_orderRichard Henderson1-2/+2
As the only call-clobbered regs for TCI, these should receive the least priority. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg/tci: Improve tcg_target_call_clobber_regsRichard Henderson1-2/+8
The current setting is much too pessimistic. Indicating only the one or two registers that are actually assigned after a call should avoid unnecessary movement between the register array and the stack array. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg: Build ffi data structures for helpersRichard Henderson12-1/+75
Add libffi as a build requirement for TCI. Add libffi to the dockerfiles to satisfy that requirement. Construct an ffi_cif structure for each unique typemask. Record the result in a separate hash table for later lookup; this allows helper_table to stay const. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg: Add tcg_call_funcRichard Henderson2-3/+7
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg: Store the TCGHelperInfo in the TCGOp for callRichard Henderson2-29/+34
This will give us both flags and typemask for use later. We also fix a dumping bug, wherein calls generated for plugins fail tcg_find_helper and print (null) instead of either a name or the raw function pointer. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19accel/tcg: Add tcg call flags to plugins helpersRichard Henderson1-2/+2
As noted by qemu-plugins.h, plugins can neither read nor write guest registers. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19plugins: Drop tcg_flags from struct qemu_plugin_dyn_cbRichard Henderson4-30/+10
As noted by qemu-plugins.h, enum qemu_plugin_cb_flags is currently unused -- plugins can neither read nor write guest registers. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19accel/tcg/plugin-gen: Drop inline markersRichard Henderson1-7/+5
Let the compiler decide on inlining. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg: Add tcg_call_flagsRichard Henderson3-9/+13
We're going to change how to look up the call flags from a TCGop, so extract it as a helper. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-19tcg: Combine dh_is_64bit and dh_is_signed to dh_typecodeRichard Henderson7-85/+67
We will shortly be interested in distinguishing pointers from integers in the helper's declaration, as well as a true void return. We currently have two parallel 1 bit fields; merge them and expand to a 3 bit field. Our current maximum is 7 helper arguments, plus the return makes 8 * 3 = 24 bits used within the uint32_t typemask. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-06-18scripts/qmp-shell: add redirection shimJohn Snow1-0/+11
qmp-shell has a new home, add a redirect for a little while as the dust settles. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210607200649.1840382-43-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18python: add qmp-shell entry pointJohn Snow1-0/+1
now 'qmp-shell' should be available from the command line when installing the python package. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210607200649.1840382-42-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qmp-shell: move to python/qemu/qmp/qmp_shell.pyJohn Snow1-3/+0
The script will be unavailable for a commit or two, which will help preserve development history attached to the new file. A forwarder will be added shortly afterwards. With qmp_shell in the python qemu.qmp package, now it is fully type checked, linted, etc. via the Python CI. It will be quite a bit harder to accidentally break it again in the future. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210607200649.1840382-41-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-06-18scripts/qmp-shell: add docstringsJohn Snow1-1/+38
Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20210607200649.1840382-40-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
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