59 lines
2.0 KiB
Diff
59 lines
2.0 KiB
Diff
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From 015d0246d315377d1d8aeadeff8fcbc2aef49874 Mon Sep 17 00:00:00 2001
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From: Wenlong Zhang <zhangwenlong@loongson.cn>
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Date: Thu, 20 Jul 2023 03:27:39 +0000
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Subject: [PATCH] add loongarch64 support for openmpi
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---
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config/opal_config_asm.m4 | 5 +++++
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opal/include/opal/sys/architecture.h | 1 +
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opal/include/opal/sys/cma.h | 5 +++++
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3 files changed, 11 insertions(+)
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diff --git a/config/opal_config_asm.m4 b/config/opal_config_asm.m4
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index d8640e0..586a2c8 100644
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--- a/config/opal_config_asm.m4
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+++ b/config/opal_config_asm.m4
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@@ -1154,6 +1154,11 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
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OPAL_ASM_SUPPORT_64BIT=1
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OPAL_GCC_INLINE_ASSIGN='"li %0, 0" : "=&r"(ret)'
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;;
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+ loongarch64*)
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+ opal_cv_asm_arch="LOONGARCH64"
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+ OPAL_ASM_SUPPORT_64BIT=1
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+ OPAL_GCC_INLINE_ASSIGN='"li.d %0, 0" : "=&r"(ret)'
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+ ;;
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# There is no current difference between s390 and s390x
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# But use two different defines in case some come later
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# as s390 is 31bits while s390x is 64bits
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diff --git a/opal/include/opal/sys/architecture.h b/opal/include/opal/sys/architecture.h
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index 8a9fc53..ed54270 100644
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--- a/opal/include/opal/sys/architecture.h
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+++ b/opal/include/opal/sys/architecture.h
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@@ -45,6 +45,7 @@
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#define OPAL_S390 0110
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#define OPAL_S390X 0111
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#define OPAL_RISCV64 0120
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+#define OPAL_LOONGARCH64 0130
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#define OPAL_BUILTIN_SYNC 0200
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#define OPAL_BUILTIN_GCC 0202
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#define OPAL_BUILTIN_NO 0203
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diff --git a/opal/include/opal/sys/cma.h b/opal/include/opal/sys/cma.h
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index 8040ccb..11417b5 100644
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--- a/opal/include/opal/sys/cma.h
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+++ b/opal/include/opal/sys/cma.h
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@@ -97,6 +97,11 @@
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#define __NR_process_vm_readv 270
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#define __NR_process_vm_writev 271
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+#elif OPAL_ASSEMBLY_ARCH == OPAL_LOONGARCH64
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+/* LOONGARCH64 uses the asm-generic syscall numbers */
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+#define __NR_process_vm_readv 270
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+#define __NR_process_vm_writev 271
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+
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#else
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#error "Unsupported architecture for process_vm_readv and process_vm_writev syscalls"
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#endif
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--
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2.33.0
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