!14 [sync] PR-11: add support for riscv64

From: @openeuler-sync-bot 
Reviewed-by: @licihua 
Signed-off-by: @licihua

papi-add-support-riscv64.patch

@@ -0,0 +1,99 @@
+diff --git a/src/configure b/src/configure
+index 3d05182..357b874 100644
+--- a/src/configure
++++ b/src/configure
+@@ -4628,7 +4628,7 @@ _ACEOF
+ 
+ # First set pthread-mutexes based on arch
+ case $arch in
+-  aarch64|arm*)
++  aarch64|arm*|riscv*)
+     pthread_mutexes=yes
+     CFLAGS="$CFLAGS -DUSE_PTHREAD_MUTEXES"
+     echo "forcing use of pthread mutexes... " >&6
+diff --git a/src/configure.in b/src/configure.in
+index cff36bc..697c317 100644
+--- a/src/configure.in
++++ b/src/configure.in
+@@ -378,7 +378,7 @@ AC_DEFINE_UNQUOTED(CPU,$CPU,[cpu type])
+ 
+ # First set pthread-mutexes based on arch                                       
+ case $arch in
+-  aarch64|arm*)
++  aarch64|arm*|riscv*)
+     pthread_mutexes=yes
+     CFLAGS="$CFLAGS -DUSE_PTHREAD_MUTEXES"
+     echo "forcing use of pthread mutexes... " >&6
+diff --git a/src/libpfm4/config.mk b/src/libpfm4/config.mk
+index 51d4f25..18f5838 100644
+--- a/src/libpfm4/config.mk
++++ b/src/libpfm4/config.mk
+@@ -177,6 +177,9 @@ ifeq ($(ARCH),cell)
+ CONFIG_PFMLIB_CELL=y
+ endif
+ 
++ifeq ($(ARCH),riscv64)
++CONFIG_PFMLIB_ARCH_RISCV64=y
++endif
+ 
+ #
+ # you shouldn't have to touch anything beyond this point
+diff --git a/src/linux-context.h b/src/linux-context.h
+index 524490b..7d51495 100644
+--- a/src/linux-context.h
++++ b/src/linux-context.h
+@@ -35,6 +35,8 @@ typedef ucontext_t hwd_ucontext_t;
+ #define OVERFLOW_ADDRESS(ctx) ctx.ucontext->uc_mcontext.pc
+ #elif defined(__mips__)
+ #define OVERFLOW_ADDRESS(ctx) ctx.ucontext->uc_mcontext.pc
++#elif defined(__riscv)
++#define OVERFLOW_ADDRESS(ctx) ctx.ucontext->uc_mcontext.__gregs[REG_PC]
+ #else
+ #error "OVERFLOW_ADDRESS() undefined!"
+ #endif
+diff --git a/src/linux-timer.c b/src/linux-timer.c
+index 853e676..8222acb 100644
+--- a/src/linux-timer.c
++++ b/src/linux-timer.c
+@@ -288,6 +288,27 @@ get_cycles( void )
+   return 0;
+ }
+ 
++/************************/
++/* riscv64 get_cycles() */
++/************************/
++
++#elif defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
++static inline long long
++get_cycles( void )
++{
++	register unsigned long ret;
++
++	__asm__ __volatile__ ("rdcycle %0" : "=r" (ret));
++
++	return ret;
++}
++
++/* 
++ * TODO: riscv32 implementation can be done following example in:
++ * Volume I: RISC-V User-Level ISA V2.2
++ *   2.8 Control and Status Register Instructions
++ *     Timers and Counters
++ */
+ 
+ #elif !defined(HAVE_GETTIMEOFDAY) && !defined(HAVE_CLOCK_GETTIME)
+ #error "No get_cycles support for this architecture. "
+diff --git a/src/mb.h b/src/mb.h
+index 1019691..0b82a9d 100644
+--- a/src/mb.h
++++ b/src/mb.h
+@@ -39,6 +39,9 @@
+ #elif defined(__aarch64__)
+ #define rmb()           asm volatile("dmb ld" ::: "memory")
+ 
++#elif defined(__riscv)
++#define rmb()           asm volatile("fence ir, ir" ::: "memory")
++
+ #elif defined(__mips__)
+ #define rmb()           asm volatile(                                   \
+                                 ".set   mips2\n\t"                      \

papi.spec

@@ -1,6 +1,6 @@
 Name:            papi
 Version:         5.6.0
-Release:         9
+Release:         10
 Summary:         Performance Application Programming Interface
 License:         BSD
 URL:             http://icl.cs.utk.edu/papi/
@@ -12,6 +12,7 @@ Provides:        papi-libs = %{version}-%{release}
 Obsoletes:       papi-libs < %{version}-%{release}
 
 Patch0001:       papi-ldflags.patch
+Patch0002:       papi-add-support-riscv64.patch
 
 %description
 PAPI provides a programmer interface to monitor the performance of
@@ -87,6 +88,10 @@ chrpath --delete $RPM_BUILD_ROOT%{_libdir}/*.so*
 %{_mandir}/man3/*
 
 %changelog
+* Mon Jan 24 2022 wujie <wujie@nj.iscas.ac.cn> - 5.6.0-10
+- add support for riscv64 from http://fedora.riscv.rocks/koji/buildinfo?buildID=31200
+  Author is David Abdurachmanov <david.abdurachmanov@gmail.com>
+
 * Tue Jul 28 2020 lingsheng<lingsheng@huawei.com> - 5.6.0-9
 - remove buildrequire infiniband-diags-devel