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qemu-patch-raspberry4
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Hexagon build infrastructure 

Add file to default-configs
Add hexagon to meson.build
Add hexagon to target/meson.build
Add target/hexagon/meson.build
Change scripts/qemu-binfmt-conf.sh

We can build a hexagon-linux-user target and run programs on
the Hexagon scalar core.  With hexagon-linux-clang installed,
"make check-tcg" will pass.

Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1612763186-18161-35-git-send-email-tsimpson@quicinc.com>
[rth: Use top-level python variable]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
stable-6.0
Taylor Simpson 2021-02-07 23:46:24 -06:00 committed by Richard Henderson
parent 703c08d98a
commit 3e7a84eecc
5 changed files with 199 additions and 1 deletions
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1
default-configs/targets/hexagon-linux-user.mak 100644
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@ -0,0 +1 @@
TARGET_ARCH=hexagon

1
meson.build
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@ -1188,6 +1188,7 @@ disassemblers = {
'arm' : ['CONFIG_ARM_DIS'],
'avr' : ['CONFIG_AVR_DIS'],
'cris' : ['CONFIG_CRIS_DIS'],
'hexagon' : ['CONFIG_HEXAGON_DIS'],
'hppa' : ['CONFIG_HPPA_DIS'],
'i386' : ['CONFIG_I386_DIS'],
'x86_64' : ['CONFIG_I386_DIS'],

6
scripts/qemu-binfmt-conf.sh
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@ -4,7 +4,7 @@
qemu_target_list="i386 i486 alpha arm armeb sparc sparc32plus sparc64 \
ppc ppc64 ppc64le m68k mips mipsel mipsn32 mipsn32el mips64 mips64el \
sh4 sh4eb s390x aarch64 aarch64_be hppa riscv32 riscv64 xtensa xtensaeb \
microblaze microblazeel or1k x86_64"
microblaze microblazeel or1k x86_64 hexagon"
i386_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x03\x00'
i386_mask='\xff\xff\xff\xff\xff\xfe\xfe\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
@ -136,6 +136,10 @@ or1k_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\
or1k_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
or1k_family=or1k
hexagon_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xa4\x00'
hexagon_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
hexagon_family=hexagon
qemu_get_family() {
cpu=${HOST_ARCH:-$(uname -m)}
case "$cpu" in

191
target/hexagon/meson.build 100644
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@ -0,0 +1,191 @@
##
## Copyright(c) 2020-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, see <http://www.gnu.org/licenses/>.
##
hexagon_ss = ss.source_set()
hex_common_py = 'hex_common.py'
attribs_def = meson.current_source_dir() / 'attribs_def.h.inc'
gen_tcg_h = meson.current_source_dir() / 'gen_tcg.h'
#
# Step 1
# We use a C program to create semantics_generated.pyinc
#
gen_semantics = executable(
'gen_semantics',
'gen_semantics.c',
native: true, build_by_default: false)
semantics_generated = custom_target(
'semantics_generated.pyinc',
output: 'semantics_generated.pyinc',
input: gen_semantics,
command: ['@INPUT@', '@OUTPUT@'],
)
hexagon_ss.add(semantics_generated)
#
# Step 2
# We use Python scripts to generate the following files
# shortcode_generated.h.inc
# helper_protos_generated.h.inc
# tcg_funcs_generated.c.inc
# tcg_func_table_generated.c.inc
# helper_funcs_generated.c.inc
# printinsn_generated.h.inc
# op_regs_generated.h.inc
# op_attribs_generated.h.inc
# opcodes_def_generated.h.inc
#
shortcode_generated = custom_target(
'shortcode_generated.h.inc',
output: 'shortcode_generated.h.inc',
input: 'gen_shortcode.py',
depends: [semantics_generated],
depend_files: [hex_common_py, attribs_def],
command: [python, '@INPUT@', semantics_generated, attribs_def, '@OUTPUT@'],
)
hexagon_ss.add(shortcode_generated)
helper_protos_generated = custom_target(
'helper_protos_generated.h.inc',
output: 'helper_protos_generated.h.inc',
input: 'gen_helper_protos.py',
depends: [semantics_generated],
depend_files: [hex_common_py, attribs_def, gen_tcg_h],
command: [python, '@INPUT@', semantics_generated, attribs_def, gen_tcg_h, '@OUTPUT@'],
)
hexagon_ss.add(helper_protos_generated)
tcg_funcs_generated = custom_target(
'tcg_funcs_generated.c.inc',
output: 'tcg_funcs_generated.c.inc',
input: 'gen_tcg_funcs.py',
depends: [semantics_generated],
depend_files: [hex_common_py, attribs_def, gen_tcg_h],
command: [python, '@INPUT@', semantics_generated, attribs_def, gen_tcg_h, '@OUTPUT@'],
)
hexagon_ss.add(tcg_funcs_generated)
tcg_func_table_generated = custom_target(
'tcg_func_table_generated.c.inc',
output: 'tcg_func_table_generated.c.inc',
input: 'gen_tcg_func_table.py',
depends: [semantics_generated],
depend_files: [hex_common_py, attribs_def],
command: [python, '@INPUT@', semantics_generated, attribs_def, '@OUTPUT@'],
)
hexagon_ss.add(tcg_func_table_generated)
helper_funcs_generated = custom_target(
'helper_funcs_generated.c.inc',
output: 'helper_funcs_generated.c.inc',
input: 'gen_helper_funcs.py',
depends: [semantics_generated],
depend_files: [hex_common_py, attribs_def, gen_tcg_h],
command: [python, '@INPUT@', semantics_generated, attribs_def, gen_tcg_h, '@OUTPUT@'],
)
hexagon_ss.add(helper_funcs_generated)
printinsn_generated = custom_target(
'printinsn_generated.h.inc',
output: 'printinsn_generated.h.inc',
input: 'gen_printinsn.py',
depends: [semantics_generated],
depend_files: [hex_common_py, attribs_def],
command: [python, '@INPUT@', semantics_generated, attribs_def, '@OUTPUT@'],
)
hexagon_ss.add(printinsn_generated)
op_regs_generated = custom_target(
'op_regs_generated.h.inc',
output: 'op_regs_generated.h.inc',
input: 'gen_op_regs.py',
depends: [semantics_generated],
depend_files: [hex_common_py, attribs_def],
command: [python, '@INPUT@', semantics_generated, attribs_def, '@OUTPUT@'],
)
hexagon_ss.add(op_regs_generated)
op_attribs_generated = custom_target(
'op_attribs_generated.h.inc',
output: 'op_attribs_generated.h.inc',
input: 'gen_op_attribs.py',
depends: [semantics_generated],
depend_files: [hex_common_py, attribs_def],
command: [python, '@INPUT@', semantics_generated, attribs_def, '@OUTPUT@'],
)
hexagon_ss.add(op_attribs_generated)
opcodes_def_generated = custom_target(
'opcodes_def_generated.h.inc',
output: 'opcodes_def_generated.h.inc',
input: 'gen_opcodes_def.py',
depends: [semantics_generated],
depend_files: [hex_common_py, attribs_def],
command: [python, '@INPUT@', semantics_generated, attribs_def, '@OUTPUT@'],
)
hexagon_ss.add(opcodes_def_generated)
#
# Step 3
# We use a C program to create iset.py which is imported into dectree.py
# to create the decode tree
#
gen_dectree_import = executable(
'gen_dectree_import',
'gen_dectree_import.c', opcodes_def_generated, op_regs_generated,
native: true, build_by_default: false)
iset_py = custom_target(
'iset.py',
output: 'iset.py',
input: gen_dectree_import,
command: ['@INPUT@', '@OUTPUT@'],
)
hexagon_ss.add(iset_py)
#
# Step 4
# We use the dectree.py script to generate the decode tree header file
#
dectree_generated = custom_target(
'dectree_generated.h.inc',
output: 'dectree_generated.h.inc',
input: 'dectree.py',
depends: [iset_py],
command: ['PYTHONPATH=' + meson.current_build_dir(), '@INPUT@', '@OUTPUT@'],
)
hexagon_ss.add(dectree_generated)
hexagon_ss.add(files(
'cpu.c',
'translate.c',
'op_helper.c',
'gdbstub.c',
'genptr.c',
'reg_fields.c',
'decode.c',
'iclass.c',
'opcodes.c',
'printinsn.c',
'arch.c',
'fma_emu.c',
'conv_emu.c',
))
target_arch += {'hexagon': hexagon_ss}

1
target/meson.build
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@ -2,6 +2,7 @@ subdir('alpha')
subdir('arm')
subdir('avr')
subdir('cris')
subdir('hexagon')
subdir('hppa')
subdir('i386')
subdir('lm32')