47 lines
1.6 KiB
Diff
47 lines
1.6 KiB
Diff
diff --git a/config/opal_config_asm.m4 b/config/opal_config_asm.m4
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index 65675d1..7c77d65 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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@@ -1130,6 +1130,11 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
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fi
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OPAL_GCC_INLINE_ASSIGN='"1: li %0,0" : "=&r"(ret)'
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;;
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+ riscv64*)
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+ opal_cv_asm_arch="RISCV64"
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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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# 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 ee9aa96..8a9fc53 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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@@ -44,6 +44,7 @@
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#define OPAL_ARM64 0101
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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_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 4211013..9e02f99 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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@@ -92,6 +92,13 @@
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#define __NR_process_vm_readv 340
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#define __NR_process_vm_writev 341
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+#elif OPAL_ASSEMBLY_ARCH == OPAL_RISCV64
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+
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+/* RISCV64 uses the asm-generic syscall numbers */
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+
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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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