From abd848c1c4182e3a1c8e7018565550e401a2cd6b Mon Sep 17 00:00:00 2001
From: Robert Clausecker <fuz@FreeBSD.org>
Date: Sun, 21 Sep 2025 11:47:34 +0200
Subject: devel/cpu_features: port to aarch64 and armv7

These platforms works largely the same way as Linux, so adapt the existing
Linux code path.

Approved by:	portmgr (build fix blanket)
MFH:		2025Q3
---
 devel/cpu_features/files/patch-src_hwcaps.c | 44 +++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 devel/cpu_features/files/patch-src_hwcaps.c

(limited to 'devel/cpu_features/files/patch-src_hwcaps.c')

diff --git a/devel/cpu_features/files/patch-src_hwcaps.c b/devel/cpu_features/files/patch-src_hwcaps.c
new file mode 100644
index 000000000000..4213c3b732de
--- /dev/null
+++ b/devel/cpu_features/files/patch-src_hwcaps.c
@@ -0,0 +1,44 @@
+--- src/hwcaps.c.orig	2023-09-14 12:15:33 UTC
++++ src/hwcaps.c
+@@ -55,12 +55,16 @@ const char* CpuFeatures_GetBasePlatformPointer(void);
+ // Implementation of GetElfHwcapFromGetauxval
+ ////////////////////////////////////////////////////////////////////////////////
+ 
+-#define AT_HWCAP 16
+-#define AT_HWCAP2 26
+-#define AT_PLATFORM 15
+-#define AT_BASE_PLATFORM 24
++#if defined(CPU_FEATURES_OS_FREEBSD)
++#include <sys/auxv.h>
++static unsigned long GetElfHwcapFromGetauxval(uint32_t hwcap_type) {
++  unsigned long val = 0;
+ 
+-#if defined(HAVE_STRONG_GETAUXVAL)
++  elf_aux_info(hwcap_type, &val, sizeof val);
++
++  return val;
++}
++#elif defined(HAVE_STRONG_GETAUXVAL)
+ #include <sys/auxv.h>
+ static unsigned long GetElfHwcapFromGetauxval(uint32_t hwcap_type) {
+   return getauxval(hwcap_type);
+@@ -159,11 +163,19 @@ const char *CpuFeatures_GetPlatformPointer(void) {
+ }
+ 
+ const char *CpuFeatures_GetPlatformPointer(void) {
++#ifdef AT_PLATFORM
+   return (const char *)GetHardwareCapabilitiesFor(AT_PLATFORM);
++#else
++  return NULL;
++#endif
+ }
+ 
+ const char *CpuFeatures_GetBasePlatformPointer(void) {
++#ifdef AT_BASE_PLATFORM
+   return (const char *)GetHardwareCapabilitiesFor(AT_BASE_PLATFORM);
++#else
++  return NULL;
++#endif
+ }
+ 
+ #endif  // CPU_FEATURES_TEST
-- 
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