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* tcg/tcg-op-gvec.c: Introduce tcg_gen_gvec_4iMatheus Ferst2022-03-021-0/+146
| | | | | | | | | | Following the implementation of tcg_gen_gvec_3i, add a four-vector and immediate operand expansion method. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220225210936.1749575-34-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
* target/ppc: moved vector even and odd multiplication to decodetreeLucas Mateus Castro (alqotel)2022-03-021-0/+6
| | | | | | | | | | | | | Moved the instructions vmulesb, vmulosb, vmuleub, vmuloub, vmulesh, vmulosh, vmuleuh, vmulouh, vmulesw, vmulosw, muleuw and vmulouw from legacy to decodetree. Implemented the instructions vmulesd, vmulosd, vmuleud, vmuloud. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220225210936.1749575-3-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
* tcg/tci: Use tcg_out_ldst in tcg_out_stRichard Henderson2022-02-281-3/+2Star
| | | | | | | | | | | The tcg_out_ldst helper will handle out-of-range offsets. We haven't actually encountered any, since we haven't run across the assert within tcg_out_op_rrs, but an out-of-range offset would not be impossible in future. Fixes: 65089889183 ("tcg/tci: Change encoding to uint32_t units") Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* include: Move qemu_[id]cache_* declarations to new qemu/cacheinfo.hPeter Maydell2022-02-212-0/+2
| | | | | | | | | | | | The qemu_icache_linesize, qemu_icache_linesize_log, qemu_dcache_linesize, and qemu_dcache_linesize_log variables are not used in many files. Move them out of osdep.h to a new qemu/cacheinfo.h, and document them. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220208200856.3558249-5-peter.maydell@linaro.org
* include: Move qemu_mprotect_*() to new qemu/mprotect.hPeter Maydell2022-02-211-0/+1
| | | | | | | | | | The qemu_mprotect_*() family of functions are used in very few files; move them from osdep.h to a new qemu/mprotect.h. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220208200856.3558249-3-peter.maydell@linaro.org
* include: Move qemu_madvise() and related #defines to new qemu/madvise.hPeter Maydell2022-02-211-0/+1
| | | | | | | | | | | The function qemu_madvise() and the QEMU_MADV_* constants associated with it are used in only 10 files. Move them out of osdep.h to a new qemu/madvise.h header that is included where it is needed. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220208200856.3558249-2-peter.maydell@linaro.org
* Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20220211' ↵Peter Maydell2022-02-1418-379/+1293
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | into staging Fix safe_syscall_base for sparc64. Fix host signal handling for sparc64-linux. Speedups for jump cache and work list probing. Fix for exception replays. Raise guest SIGBUS for user-only misaligned accesses. # gpg: Signature made Fri 11 Feb 2022 01:27:16 GMT # 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 * remotes/rth-gitlab/tags/pull-tcg-20220211: (34 commits) tests/tcg/multiarch: Add sigbus.c tcg/sparc: Support unaligned access for user-only tcg/sparc: Add tcg_out_jmpl_const for better tail calls tcg/sparc: Use the constant pool for 64-bit constants tcg/sparc: Convert patch_reloc to return bool tcg/sparc: Improve code gen for shifted 32-bit constants tcg/sparc: Add scratch argument to tcg_out_movi_int tcg/sparc: Split out tcg_out_movi_imm32 tcg/sparc: Use tcg_out_movi_imm13 in tcg_out_addsub2_i64 tcg/mips: Support unaligned access for softmmu tcg/mips: Support unaligned access for user-only tcg/arm: Support raising sigbus for user-only tcg/arm: Reserve a register for guest_base tcg/arm: Support unaligned access for softmmu tcg/arm: Check alignment for ldrd and strd tcg/arm: Remove use_armv6_instructions tcg/arm: Remove use_armv5t_instructions tcg/arm: Drop support for armv4 and armv5 hosts tcg/loongarch64: Support raising sigbus for user-only tcg/tci: Support raising sigbus for user-only ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * tcg/sparc: Support unaligned access for user-onlyRichard Henderson2022-02-081-8/+211
| | | | | | | | | | | | | | | | | | | | | | | | This is kinda sorta the opposite of the other tcg hosts, where we get (normal) alignment checks for free with host SIGBUS and need to add code to support unaligned accesses. This inline code expansion is somewhat large, but it takes quite a few instructions to make a function call to a helper anyway. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/sparc: Add tcg_out_jmpl_const for better tail callsRichard Henderson2022-02-081-14/+23
| | | | | | | | | | | | | | | | | | | | | | | | Due to mapping changes, we now rarely place the code_gen_buffer near the main executable. Which means that direct calls will now rarely be in range. So, always use indirect calls for tail calls, which allows us to avoid clobbering %o7, and therefore we need not save and restore it. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/sparc: Use the constant pool for 64-bit constantsRichard Henderson2022-02-081-0/+15
| | | | | | | | | | Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/sparc: Convert patch_reloc to return boolRichard Henderson2022-02-081-2/+6
| | | | | | | | | | | | | | | | | | | | Since 7ecd02a06f8, if patch_reloc fails we restart translation with a smaller TB. SPARC had its function signature changed, but not the logic. Replace assert with return false. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/sparc: Improve code gen for shifted 32-bit constantsRichard Henderson2022-02-081-6/+6
| | | | | | | | | | | | | | | | | | | | We had code for checking for 13 and 21-bit shifted constants, but we can do better and allow 32-bit shifted constants. This is still 2 insns shorter than the full 64-bit sequence. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/sparc: Add scratch argument to tcg_out_movi_intRichard Henderson2022-02-081-6/+9
| | | | | | | | | | | | | | | | This will allow us to control exactly what scratch register is used for loading the constant. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/sparc: Split out tcg_out_movi_imm32Richard Henderson2022-02-081-15/+21
| | | | | | | | | | | | | | | | | | | | Handle 32-bit constants with a separate function, so that tcg_out_movi_int does not need to recurse. This slightly rearranges the order of tests for small constants, but produces the same output. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/sparc: Use tcg_out_movi_imm13 in tcg_out_addsub2_i64Richard Henderson2022-02-081-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | When BH is constant, it is constrained to 11 bits for use in MOVCC. For the cases in which we must load the constant BH into a register, we do not need the full logic of tcg_out_movi; we can use the simpler function for emitting a 13 bit constant. This eliminates the only case in which TCG_REG_T2 was passed to tcg_out_movi, which will shortly become invalid. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/mips: Support unaligned access for softmmuRichard Henderson2022-02-081-40/+51
| | | | | | | | | | | | | | | | | | | | We can use the routines just added for user-only to emit unaligned accesses in softmmu mode too. Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/mips: Support unaligned access for user-onlyRichard Henderson2022-02-082-8/+328
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This is kinda sorta the opposite of the other tcg hosts, where we get (normal) alignment checks for free with host SIGBUS and need to add code to support unaligned accesses. Fortunately, the ISA contains pairs of instructions that are used to implement unaligned memory accesses. Use them. Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/arm: Support raising sigbus for user-onlyRichard Henderson2022-02-082-4/+81
| | | | | | | | | | Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/arm: Reserve a register for guest_baseRichard Henderson2022-02-081-11/+28
| | | | | | | | | | | | | | | | Reserve a register for the guest_base using aarch64 for reference. By doing so, we do not have to recompute it for every memory load. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/arm: Support unaligned access for softmmuRichard Henderson2022-02-081-20/+21
| | | | | | | | | | | | | | | | | | From armv6, the architecture supports unaligned accesses. All we need to do is perform the correct alignment check in tcg_out_tlb_read. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/arm: Check alignment for ldrd and strdRichard Henderson2022-02-081-15/+8Star
| | | | | | | | | | | | | | | | | | We will shortly allow the use of unaligned memory accesses, and these require proper alignment. Use get_alignment_bits to verify and remove USING_SOFTMMU. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/arm: Remove use_armv6_instructionsRichard Henderson2022-02-082-166/+27Star
| | | | | | | | | | | | | | This is now always true, since we require armv6. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/arm: Remove use_armv5t_instructionsRichard Henderson2022-02-082-31/+7Star
| | | | | | | | | | | | | | This is now always true, since we require armv6. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/arm: Drop support for armv4 and armv5 hostsRichard Henderson2022-02-081-0/+5
| | | | | | | | | | | | | | | | | | Support for unaligned accesses is difficult for pre-v6 hosts. While debian still builds for armv4, we cannot use a compile time test, so test the architecture at runtime and error out. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/loongarch64: Support raising sigbus for user-onlyWANG Xuerui2022-02-082-4/+69
| | | | | | | | | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220106134238.3936163-1-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/tci: Support raising sigbus for user-onlyRichard Henderson2022-02-081-6/+14
| | | | | | | | | | Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/s390x: Support raising sigbus for user-onlyRichard Henderson2022-02-082-4/+57
| | | | | | | | | | Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/riscv: Support raising sigbus for user-onlyRichard Henderson2022-02-082-4/+61
| | | | | | | | Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/ppc: Support raising sigbus for user-onlyRichard Henderson2022-02-082-10/+90
| | | | | | | | | | Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/aarch64: Support raising sigbus for user-onlyRichard Henderson2022-02-082-19/+74
| | | | | | | | | | Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/i386: Support raising sigbus for user-onlyRichard Henderson2022-02-082-7/+98
| | | | | | | | | | Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| * tcg/loongarch64: Fix fallout from recent MO_Q renamingWANG Xuerui2022-02-081-1/+1
| | | | | | | | | | | | | | | | | | Apparently we were left behind; just renaming MO_Q to MO_UQ is enough. Fixes: fc313c64345453c7 ("exec/memop: Adding signedness to quad definitions") Signed-off-by: WANG Xuerui <git@xen0n.name> Message-Id: <20220206162106.1092364-1-i.qemu@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* | tracing: remove TCG memory access tracingAlex Bennée2022-02-091-5/+0Star
|/ | | | | | | | | | | | If you really want to trace all memory operations TCG plugins gives you a more flexible interface for doing so. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Cc: Luis Vilanova <vilanova@imperial.ac.uk> Cc: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20220204204335.1689602-19-alex.bennee@linaro.org>
* cpuid: use unsigned for max cpuidMichael S. Tsirkin2022-02-041-1/+1
| | | | | | | | | | __get_cpuid_max returns an unsigned value. For consistency, store the result in an unsigned variable. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* exec/memop: Adding signedness to quad definitionsFrédéric Pétrot2022-01-0810-56/+56
| | | | | | | | | | | | | | Renaming defines for quad in their various forms so that their signedness is now explicit. Done using git grep as suggested by Philippe, with a bit of hand edition to keep assignments aligned. Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220106210108.138226-2-frederic.petrot@univ-grenoble-alpes.fr Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* tcg/optimize: Fix folding of vector opsRichard Henderson2022-01-051-11/+38
| | | | | | | | | | | | Bitwise operations are easy to fold, because the operation is identical regardless of element size. But add and sub need extra element size info that is not currently propagated. Fixes: 2f9f08ba43d Cc: qemu-stable@nongnu.org Resolves: https://gitlab.com/qemu-project/qemu/-/issues/799 Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Register the JITWANG Xuerui2021-12-211-0/+44
| | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211221054105.178795-28-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement tcg_target_initWANG Xuerui2021-12-211-0/+27
| | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211221054105.178795-27-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement exit_tb/goto_tbWANG Xuerui2021-12-211-0/+19
| | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211221054105.178795-26-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement tcg_target_qemu_prologueWANG Xuerui2021-12-211-0/+68
| | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211221054105.178795-25-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Add softmmu load/store helpers, implement qemu_ld/qemu_st opsWANG Xuerui2021-12-212-0/+355
| | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211221054105.178795-24-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement simple load/store opsWANG Xuerui2021-12-212-0/+132
| | | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211221054105.178795-23-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement tcg_out_callWANG Xuerui2021-12-211-0/+34
| | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211221054105.178795-22-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement setcond opsWANG Xuerui2021-12-212-0/+70
| | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211221054105.178795-21-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement br/brcond opsWANG Xuerui2021-12-212-0/+54
| | | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211221054105.178795-20-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement mul/mulsh/muluh/div/divu/rem/remu opsWANG Xuerui2021-12-213-8/+74
| | | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211221054105.178795-19-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement add/sub opsWANG Xuerui2021-12-212-0/+40
| | | | | | | | | | | The neg_i{32,64} ops is fully expressible with sub, so omitted for simplicity. Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211221054105.178795-18-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement shl/shr/sar/rotl/rotr opsWANG Xuerui2021-12-213-2/+94
| | | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211221054105.178795-17-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement clz/ctz opsWANG Xuerui2021-12-213-4/+47
| | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211221054105.178795-16-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* tcg/loongarch64: Implement bswap{16,32,64} opsWANG Xuerui2021-12-212-5/+37
| | | | | | | | Signed-off-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20211221054105.178795-15-git@xen0n.name> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>