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# HG changeset patch
# User John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
# Date 1592464269 0
# Thu Jun 18 07:11:09 2020 +0000
# Node ID 5de7d747a962df5f8aefc016a62d7270ac18879e
# Parent e4b11f027efc1f8c2710ae3f52487a8f10a8fb39
Bug 1318905 - build: Add riscv64 as target architecture to mozbuild r=glandium
Adds the basic definitions for riscv64 to mozbuild, allowing to build Spidermonkey.
Differential Revision: https://phabricator.services.mozilla.com/D78623
diff -r e4b11f027efc -r 5de7d747a962 build/moz.configure/init.configure
--- a/build/moz.configure/init.configure Sun May 31 17:11:57 2020 +0000
+++ b/build/moz.configure/init.configure Thu Jun 18 07:11:09 2020 +0000
@@ -741,6 +741,9 @@
elif cpu.startswith('aarch64'):
canonical_cpu = 'aarch64'
endianness = 'little'
+ elif cpu in ('riscv64', 'riscv64gc'):
+ canonical_cpu = 'riscv64'
+ endianness = 'little'
elif cpu == 'sh4':
canonical_cpu = 'sh4'
endianness = 'little'
diff -r e4b11f027efc -r 5de7d747a962 python/mozbuild/mozbuild/configure/constants.py
--- a/python/mozbuild/mozbuild/configure/constants.py Sun May 31 17:11:57 2020 +0000
+++ b/python/mozbuild/mozbuild/configure/constants.py Thu Jun 18 07:11:09 2020 +0000
@@ -49,6 +49,7 @@
'mips64': 64,
'ppc': 32,
'ppc64': 64,
+ 'riscv64': 64,
's390': 32,
's390x': 64,
'sh4': 32,
@@ -87,6 +88,7 @@
('sparc', '__sparc__'),
('mips64', '__mips64'),
('mips32', '__mips__'),
+ ('riscv64', '__riscv && __riscv_xlen == 64'),
('sh4', '__sh__'),
))
diff -r e4b11f027efc -r 5de7d747a962 python/mozbuild/mozbuild/test/configure/test_toolchain_configure.py
--- a/python/mozbuild/mozbuild/test/configure/test_toolchain_configure.py Sun May 31 17:11:57 2020 +0000
+++ b/python/mozbuild/mozbuild/test/configure/test_toolchain_configure.py Thu Jun 18 07:11:09 2020 +0000
@@ -1208,6 +1208,10 @@
'mips-unknown-linux-gnu': big_endian + {
'__mips__': 1,
},
+ 'riscv64-unknown-linux-gnu': little_endian + {
+ '__riscv': 1,
+ '__riscv_xlen': 64,
+ },
'sh4-unknown-linux-gnu': little_endian + {
'__sh__': 1,
},
# HG changeset patch
# User John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
# Date 1592464269 0
# Thu Jun 18 07:11:09 2020 +0000
# Node ID e3d924797cb2d508ff938414168e98ccf66f07fe
# Parent 5de7d747a962df5f8aefc016a62d7270ac18879e
Bug 1318905 - js:jit: Enable AtomicOperations-feeling-lucky.h on riscv64 r=lth
This allows the build on riscv64 to use the atomic operations provided by GCC.
Differential Revision: https://phabricator.services.mozilla.com/D78624
diff -r 5de7d747a962 -r e3d924797cb2 js/src/jit/AtomicOperations.h
--- a/js/src/jit/AtomicOperations.h Thu Jun 18 07:11:09 2020 +0000
+++ b/js/src/jit/AtomicOperations.h Thu Jun 18 07:11:09 2020 +0000
@@ -391,7 +391,7 @@
#elif defined(__ppc__) || defined(__PPC__) || defined(__sparc__) || \
defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) || \
defined(__PPC64LE__) || defined(__alpha__) || defined(__hppa__) || \
- defined(__sh__) || defined(__s390__) || defined(__s390x__)
+ defined(__sh__) || defined(__s390__) || defined(__s390x__) || defined(__riscv)
# include "jit/shared/AtomicOperations-feeling-lucky.h"
#else
# error "No AtomicOperations support provided for this platform"
diff -r 5de7d747a962 -r e3d924797cb2 js/src/jit/shared/AtomicOperations-feeling-lucky-gcc.h
--- a/js/src/jit/shared/AtomicOperations-feeling-lucky-gcc.h Thu Jun 18 07:11:09 2020 +0000
+++ b/js/src/jit/shared/AtomicOperations-feeling-lucky-gcc.h Thu Jun 18 07:11:09 2020 +0000
@@ -63,6 +63,11 @@
# define HAS_64BIT_LOCKFREE
#endif
+#if defined(__riscv) && __riscv_xlen == 64
+# define HAS_64BIT_ATOMICS
+# define HAS_64BIT_LOCKFREE
+#endif
+
#ifdef __sparc__
# ifdef __LP64__
# define HAS_64BIT_ATOMICS
# HG changeset patch
# User John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
# Date 1592464269 0
# Thu Jun 18 07:11:09 2020 +0000
# Node ID 3f652d12b8bc0bd213020d488ecb4d3710bb11fa
# Parent e3d924797cb2d508ff938414168e98ccf66f07fe
Bug 1318905 - mfbt:tests: Define RETURN_INSTR for riscv64 in TestPoisonArea r=glandium
Define RETURN_INSTR for riscv64 in TestPoisonArea, i.e. the riscv64 assembly
opcodes for "ret ; ret".
Differential Revision: https://phabricator.services.mozilla.com/D78625
diff -r e3d924797cb2 -r 3f652d12b8bc mfbt/tests/TestPoisonArea.cpp
--- a/mfbt/tests/TestPoisonArea.cpp Thu Jun 18 07:11:09 2020 +0000
+++ b/mfbt/tests/TestPoisonArea.cpp Thu Jun 18 07:11:09 2020 +0000
@@ -132,6 +132,9 @@
#elif defined _ARCH_PPC || defined _ARCH_PWR || defined _ARCH_PWR2
# define RETURN_INSTR 0x4E800020 /* blr */
+#elif defined __riscv
+# define RETURN_INSTR 0x80828082 /* ret; ret */
+
#elif defined __sparc || defined __sparcv9
# define RETURN_INSTR 0x81c3e008 /* retl */
|