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/openbmc/qemu/tests/docker/dockerfiles/
H A Ddebian-hexagon-cross.docker2 # Docker Hexagon cross-compiler target
4 # This docker target is used for building hexagon tests. As it also
6 # build-deps.
8 FROM docker.io/library/debian:11-slim
10 # Duplicate deb line as deb-src
11 RUN cat /etc/apt/sources.list | sed "s/^deb\ /deb-src /" >> /etc/apt/sources.list
12 RUN apt-get update && \
13 DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata && \
16 apt-get install -y --no-install-recommends \
19 xz-utils \
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/openbmc/qemu/target/hexagon/
H A DREADME1 Hexagon is Qualcomm's very long instruction word (VLIW) digital signal
2 processor(DSP). We also support Hexagon Vector eXtensions (HVX). HVX
6 The following versions of the Hexagon core are supported
8 … https://developer.qualcomm.com/downloads/qualcomm-hexagon-v73-programmers-reference-manual-rev-aa
10 …https://developer.qualcomm.com/downloads/qualcomm-hexagon-v73-hvx-programmers-reference-manual-rev…
13 …-hexagon-automatic-translation-of-the-isa-manual-pseudcode-to-tiny-code-instructions-of-a-vliw-arc…
17 The qemu-hexagon implementation is a combination of qemu and the Hexagon
19 Hexagon-specific code are
21 qemu/target/hexagon
23 qemu/target/hexagon/imported
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H A Dmeson.build2 ## Copyright(c) 2020-2024 Qualcomm Innovation Center, Inc. All Rights Reserved.
23 idef_parser_dir = meson.current_source_dir() / 'idef-parser'
178 …: [python, files(decodetree_py), normal_decode_generated, '--static-decode=decode_normal', '-o', '…
187 …command: [python, files(decodetree_py), hvx_decode_generated, '--static-decode=decode_hvx', '-o', …
196 …s(decodetree_py), subinsn_a_decode_generated, ['--static-decode=decode_subinsn_a', '--insnwidth=16…
205 …(decodetree_py), subinsn_l1_decode_generated, ['--static-decode=decode_subinsn_l1', '--insnwidth=1…
214 …(decodetree_py), subinsn_l2_decode_generated, ['--static-decode=decode_subinsn_l2', '--insnwidth=1…
223 …(decodetree_py), subinsn_s1_decode_generated, ['--static-decode=decode_subinsn_s1', '--insnwidth=1…
232 …(decodetree_py), subinsn_s2_decode_generated, ['--static-decode=decode_subinsn_s2', '--insnwidth=1…
267 # We use flex/bison based idef-parser to generate TCG code for a lot
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/openbmc/qemu/scripts/coverity-scan/
H A DCOMPONENTS.md7 …~ .*/qemu((/include)?/hw/arm/.*|(/include)?/hw/.*/(arm|allwinner-a10|bcm28|digic|exynos|imx|omap|s…
12 hexagon-gen (component should be ignored in analysis)
13 ~ .*/qemu(/target/hexagon/.*generated.*)
15 hexagon
16 ~ .*/qemu(/target/hexagon/.*)
40 …~ .*/qemu((/include)?/hw/ppc/.*|/target/ppc/.*|/hw/pci-host/(uninorth.*|dec.*|prep.*|ppc.*)|/hw/mi…
70 …ock.*|(/include?)/(block|storage-daemon)/.*|(/include)?/hw/(block|ide|nvme)/.*|/qemu-(img|io).*|/u…
97 ~ .*/qemu((/include)?/(qapi|qobject|monitor)/.*|/job-qmp.c)
100 ~ .*/qemu(/nbd/.*|/include/block/nbd.*|/qemu-nbd\.c)
108 qemu-ga
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/openbmc/linux/arch/hexagon/include/asm/
H A Dcacheflush.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Cache flush operations for the Hexagon architecture
5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
11 #include <linux/mm_types.h>
15 * - flush_cache_all() flushes entire cache
16 * - flush_cache_mm(mm) flushes the specified mm context's cache lines
17 * - flush_cache_page(mm, vmaddr, pfn) flushes a single page
18 * - flush_cache_range(vma, start, end) flushes a range of pages
19 * - flush_icache_range(start, end) flush a range of instructions
20 * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
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H A Dpgalloc.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Page table support for the Hexagon architecture
5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
11 #include <asm/mem-layout.h>
14 #include <asm-generic/pgalloc.h>
30 * base mapping, and to ensure that the user area is in pgd_alloc()
36 mm->context.generation = kmap_generation; in pgd_alloc()
39 mm->context.ptbase = __pa(pgd); in pgd_alloc()
58 * Hexagon VM spec has a "monolithic" L1 table for user and kernel
73 mm->context.generation = kmap_generation; in pmd_populate_kernel()
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H A Duaccess.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * User memory access support for Hexagon
5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
11 * User space memory access functions
16 * When a kernel-mode page fault is taken, the faulting instruction
35 #include <asm-generic/uaccess.h>
H A Delf.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * ELF definitions for the Hexagon architecture
5 * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
12 #include <asm/user.h>
13 #include <linux/elf-em.h>
23 /* Hexagon relocations */
93 DEST.cs0 = REGS->cs0;\
94 DEST.cs1 = REGS->cs1;\
102 DEST.r0 = REGS->r00; \
103 DEST.r1 = REGS->r01; \
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H A Dpage.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Page management definitions for the Hexagon architecture
5 * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
11 #include <linux/const.h>
48 #define HPAGE_MASK (~(HPAGE_SIZE-1))
49 #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT-PAGE_SHIFT)
54 #define PAGE_MASK (~((1 << PAGE_SHIFT) - 1))
62 #include <linux/pfn.h>
65 * We implement a two-level architecture-specific page table structure.
67 * asm-generic/pagetable-nopmd.h and asm-generic/pagetable-nopud.h
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/openbmc/linux/scripts/
H A Dheaders_install.sh2 # SPDX-License-Identifier: GPL-2.0
4 if [ $# -ne 2 ]
8 echo "Prepares kernel header files for use by user space, by removing"
24 trap 'rm -f $OUTFILE $TMPFILE' EXIT
26 # SPDX-License-Identifier with GPL variants must have "WITH Linux-syscall-note"
27 if [ -n "$(sed -n -e "/SPDX-License-Identifier:.*GPL-/{/WITH Linux-syscall-note/!p}" $INFILE)" ]; t…
28 echo "error: $INFILE: missing \"WITH Linux-syscall-note\" for SPDX-License-Identifier" >&2
32 sed -E -e '
35 s@^#include <linux/compiler(|_types).h>@@
36 s/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g
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/openbmc/linux/arch/hexagon/mm/
H A Dvm_fault.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Memory fault handling for Hexagon
5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
9 * Page fault handling for the Hexagon Virtual Machine.
15 #include <linux/uaccess.h>
16 #include <linux/mm.h>
17 #include <linux/sched/signal.h>
18 #include <linux/signal.h>
19 #include <linux/extable.h>
20 #include <linux/hardirq.h>
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H A Dcopy_to_user.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * User memory copying routines for the Hexagon Kernel
5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
13 * Copy to/from user are the same, except that for packets with a load and
20 * copy to user: stores can fault
46 /* Normal copy loops. Use dst-dst_sav to compute distance */
48 /* X - (A - B) == X + B - A */
66 /* COPY TO USER: only stores can fail */
/openbmc/qemu/scripts/
H A Dupdate-syscalltbl.sh2 arch/alpha/kernel/syscalls/syscall.tbl,linux-user/alpha/syscall.tbl \
3 arch/arm/tools/syscall.tbl,linux-user/arm/syscall.tbl \
4 scripts/syscall.tbl,linux-user/aarch64/syscall_64.tbl \
5 scripts/syscall.tbl,linux-user/hexagon/syscall.tbl \
6 scripts/syscall.tbl,linux-user/loongarch64/syscall.tbl \
7 arch/m68k/kernel/syscalls/syscall.tbl,linux-user/m68k/syscall.tbl \
8 arch/microblaze/kernel/syscalls/syscall.tbl,linux-user/microblaze/syscall.tbl \
9 arch/mips/kernel/syscalls/syscall_n32.tbl,linux-user/mips64/syscall_n32.tbl \
10 arch/mips/kernel/syscalls/syscall_n64.tbl,linux-user/mips64/syscall_n64.tbl \
11 arch/mips/kernel/syscalls/syscall_o32.tbl,linux-user/mips/syscall_o32.tbl \
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H A Dmeson-buildoptions.sh1 # This file is generated by meson-buildoptions.py, do not edit!
3 printf "%s\n" ' --audio-drv-list=CHOICES Set audio driver list [default] (choices: alsa/co'
6 printf "%s\n" ' --bindir=VALUE Executable directory [bin]'
7 printf "%s\n" ' --block-drv-ro-whitelist=VALUE'
8 printf "%s\n" ' set block driver read-only whitelist (by default'
9 printf "%s\n" ' affects only QEMU, not tools like qemu-img)'
10 printf "%s\n" ' --block-drv-rw-whitelist=VALUE'
11 printf "%s\n" ' set block driver read-write whitelist (by default'
12 printf "%s\n" ' affects only QEMU, not tools like qemu-img)'
13 printf "%s\n" ' --datadir=VALUE Data file directory [share]'
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/openbmc/linux/arch/hexagon/kernel/
H A Dptrace.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Ptrace support for Hexagon
5 * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
8 #include <linux/kernel.h>
9 #include <linux/sched.h>
10 #include <linux/sched/task_stack.h>
11 #include <linux/mm.h>
12 #include <linux/smp.h>
13 #include <linux/errno.h>
14 #include <linux/ptrace.h>
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H A Dtrampoline.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
7 * Trampoline sequences to be copied onto user stack.
8 * This consumes a little more space than hand-assembling
10 * to future tweaks to the Hexagon instruction set.
15 /* Sig trampolines - call sys_sigreturn or sys_rt_sigreturn as appropriate */
H A Dtraps.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Kernel traps/events for Hexagon processor
5 * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
8 #include <linux/init.h>
9 #include <linux/sched/signal.h>
10 #include <linux/sched/debug.h>
11 #include <linux/sched/task_stack.h>
12 #include <linux/module.h>
13 #include <linux/kallsyms.h>
14 #include <linux/kdebug.h>
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H A Dvm_entry.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Event entry/exit for Hexagon
5 * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
8 #include <asm/asm-offsets.h> /* assembly-safer versions of C defines */
9 #include <asm/mem-layout.h> /* sigh, except for page_offset */
14 * Entry into guest-mode Linux under Hexagon Virtual Machine.
15 * Stack pointer points to event record - build pt_regs on top of it,
25 * register, putting prior thread_info.regs pointer in a callee-save
31 * to -1 for all events. It will be replaced with the system call
75 R2 = #-1; } \
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H A Dsignal.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Signal support for Hexagon processor
5 * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
8 #include <linux/linkage.h>
9 #include <linux/syscalls.h>
10 #include <linux/sched/task_stack.h>
15 #include <linux/uaccess.h>
30 unsigned long sp = sigsp(regs->r29, ksig); in get_sigframe()
32 return (void __user *)((sp - frame_size) & ~(sizeof(long long) - 1)); in get_sigframe()
40 err |= copy_to_user(&sc->sc_regs.r0, &regs->r00, in setup_sigcontext()
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/openbmc/qemu/.gitlab-ci.d/
H A Dbuildtest.yml2 - local: '/.gitlab-ci.d/buildtest-template.yml'
4 build-system-alpine:
6 - .native_build_job_template
7 - .native_build_artifact_template
9 - job: amd64-alpine-container
12 TARGETS: avr-softmmu loongarch64-softmmu mips64-softmmu mipsel-softmmu
13 MAKE_CHECK_ARGS: check-build
14 CONFIGURE_ARGS: --enable-docs --enable-trace-backends=log,simple,syslog
16 check-system-alpine:
19 - job: build-system-alpine
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/openbmc/qemu/target/hexagon/idef-parser/
H A DREADME.rst1 Hexagon ISA instruction definitions to tinycode generator compiler
2 ------------------------------------------------------------------
4 idef-parser is a small compiler able to translate the Hexagon ISA description
8 -------------------
10 To better understand the scope of the idef-parser, we'll explore an applicative
11 example. Let's start by one of the simplest Hexagon instruction: the ``add``.
22 idef-parser will compile the above code into the following code:
48 instruction belongs, in this case ``A2`` corresponds to the Hexagon
57 - Fill in the output function signature with the correct TCGv registers
58 - Fill in the output function signature with the immediate integers
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/openbmc/qemu/
H A Dconfigure14 source_path=$(cd "$(dirname -- "$0")"; pwd)
16 if test "$PWD" -ef "$source_path"
20 MARKER=build/auto-created-by-configure
22 if test -e build
24 if test -f $MARKER
26 rm -rf build
36 echo "your source directory, or try doing an out-of-tree build."
41 # This file is auto-generated by configure to support in-source tree
46 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
48 test -e build/auto-created-by-configure ; \
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H A DMAINTAINERS10 consult qemu-devel and not any specific individual privately.
23 W: Web-page with status/info
59 ------------------------------
63 L: qemu-devel@nongnu.org
72 R: Philippe Mathieu-Daudé <philmd@linaro.org>
76 F: docs/devel/code-of-conduct.rst
77 F: docs/devel/conflict-resolution.rst
78 F: docs/devel/submitting-a-patch.rst
79 F: docs/devel/submitting-a-pull-request.rst
82 -------------------------------------------------
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H A Dmeson_options.txt1 # These options do not correspond to a --enable/--disable-* option
3 # scripts/meson-buildoptions.py's SKIP_OPTIONS constant too.
9 option('qemu_firmwarepath', type : 'array', value : ['share/qemu-firmware'],
12 description: 'use specified string as sub-version of the package')
25 …description: 'set block driver read-write whitelist (by default affects only QEMU, not tools like …
27 …description: 'set block driver read-only whitelist (by default affects only QEMU, not tools like q…
28 option('interp_prefix', type : 'string', value : '/usr/gnemul/qemu-%M',
33 description: 'fuzzing engine library for OSS-Fuzz')
40 # Everything else can be set via --enable/--disable-* option
42 # here make sure to run "make update-buildoptions".
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/openbmc/linux/Documentation/kbuild/
H A Dllvm.rst4 Building Linux with Clang/LLVM
7 This document covers how to build the Linux kernel with Clang and LLVM
11 -----
13 The Linux kernel has always traditionally been compiled with GNU toolchains
18 <https://www.chromium.org/chromium-os>`_, `OpenMandriva
19 <https://www.openmandriva.org/>`_, and `Chimera Linux
20 <https://chimera-linux.org/>`_ use Clang built kernels. Google's and Meta's
24 objects <https://www.aosabook.org/en/llvm.html>`_. Clang is a front-end to LLVM
26 pronounced "klang," not "see-lang."
29 ------------------
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