Patchwork [1/3] sparc: support the ADP hw capability.

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Submitter Patrick McGehearty
Date Sept. 28, 2017, 9:37 p.m.
Message ID <1506634655-120836-2-git-send-email-patrick.mcgehearty@oracle.com>
Download mbox | patch
Permalink /patch/23212/
State New
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Comments

Patrick McGehearty - Sept. 28, 2017, 9:37 p.m.
From: Jose E. Marchesi <jose.marchesi@oracle.com>

This patch adds support for the ADP (also known as adi) hardware
capability, as reported by the kernel sparc port when running on M7
machines.

Tested in both sparcv9-*-* and sparc64-*-* targets.
---
 ChangeLog                   |    7 +++++++
 sysdeps/sparc/bits/hwcap.h  |    1 +
 sysdeps/sparc/dl-procinfo.c |    4 ++--
 sysdeps/sparc/dl-procinfo.h |    2 +-
 4 files changed, 11 insertions(+), 3 deletions(-)

Patch

diff --git a/ChangeLog b/ChangeLog
index 8fd06de..2def3d3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@ 
+2017-09-28  Jose E. Marchesi  <jose.marchesi@oracle.com>
+
+	* sysdeps/sparc/bits/hwcap.h (HWCAP_SPARC_ADP): Defined.
+	* sysdeps/sparc/dl-procinfo.c: Added "adp" to the
+	_dl_sparc_cap_flags array.
+	* sysdeps/sparc/dl-procinfo.h (_DL_HWCAP_COUNT): Increment.
+
 2017-09-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 
 	* sysdeps/aarch64/libm-test-ulps: Update.
diff --git a/sysdeps/sparc/bits/hwcap.h b/sysdeps/sparc/bits/hwcap.h
index e090723..a9b05a8 100644
--- a/sysdeps/sparc/bits/hwcap.h
+++ b/sysdeps/sparc/bits/hwcap.h
@@ -48,3 +48,4 @@ 
 #define HWCAP_SPARC_PAUSE	0x01000000
 #define HWCAP_SPARC_CBCOND	0x02000000
 #define HWCAP_SPARC_CRYPTO	0x04000000
+#define HWCAP_SPARC_ADP		0x08000000
diff --git a/sysdeps/sparc/dl-procinfo.c b/sysdeps/sparc/dl-procinfo.c
index 653bdfb..3db59dc 100644
--- a/sysdeps/sparc/dl-procinfo.c
+++ b/sysdeps/sparc/dl-procinfo.c
@@ -46,13 +46,13 @@ 
 #if !defined PROCINFO_DECL && defined SHARED
   ._dl_sparc_cap_flags
 #else
-PROCINFO_CLASS const char _dl_sparc_cap_flags[27][11]
+PROCINFO_CLASS const char _dl_sparc_cap_flags[28][11]
 #endif
 #ifndef PROCINFO_DECL
   = { "flush", "stbar", "swap", "muldiv", "v9", "ultra3", "v9v", "v9v2",
       "mul32", "div32", "fsmuld", "v8plus", "popc", "vis", "vis2",
       "ASIBlkInit", "fmaf", "vis3", "hpc", "random", "trans", "fjfmau",
-      "ima", "cspare", "pause", "cbcond", "crypto" }
+      "ima", "cspare", "pause", "cbcond", "crypto", "adp" }
 #endif
 #if !defined SHARED || defined PROCINFO_DECL
 ;
diff --git a/sysdeps/sparc/dl-procinfo.h b/sysdeps/sparc/dl-procinfo.h
index 456dde6..19bab8c 100644
--- a/sysdeps/sparc/dl-procinfo.h
+++ b/sysdeps/sparc/dl-procinfo.h
@@ -23,7 +23,7 @@ 
 #include <ldsodefs.h>
 #include <sysdep.h>
 
-#define _DL_HWCAP_COUNT 27
+#define _DL_HWCAP_COUNT 28
 
 static inline int
 __attribute__ ((unused))