58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
$NetBSD: patch-mozilla_mozglue_build_arm.cpp,v 1.1 2016/04/17 18:33:50 ryoon Exp $
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--- mozilla/mozglue/build/arm.cpp.orig 2016-04-07 21:33:29.000000000 +0000
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+++ mozilla/mozglue/build/arm.cpp
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@@ -102,10 +102,13 @@ check_neon(void)
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}
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# endif // !MOZILLA_PRESUME_NEON
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-# elif defined(__linux__) || defined(ANDROID)
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+# elif defined(__linux__) || defined(ANDROID) || defined(__NetBSD__)
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# include <stdio.h>
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# include <stdlib.h>
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# include <string.h>
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+# if defined(__NetBSD__)
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+# include <sys/sysctl.h>
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+# endif
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enum{
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MOZILLA_HAS_EDSP_FLAG=1,
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@@ -114,6 +117,29 @@ enum{
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MOZILLA_HAS_NEON_FLAG=8
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};
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+# if defined(__NetBSD__)
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+static unsigned
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+get_arm_cpu_flags(void)
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+{
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+ unsigned flags = 0;
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+ size_t len;
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+ int flag;
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+
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+ len = sizeof(flag);
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+ if (sysctlbyname("machdep.simdex_present", &flag, &len, NULL, 0) == 0 && flag) {
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+ flags |= MOZILLA_HAS_ARMV6_FLAG;
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+ flags |= MOZILLA_HAS_EDSP_FLAG;
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+ }
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+
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+ len = sizeof(flag);
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+ if (sysctlbyname("machdep.neon_present", &flag, &len, NULL, 0) == 0 && flag) {
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+ flags |= MOZILLA_HAS_ARMV7_FLAG;
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+ flags |= MOZILLA_HAS_NEON_FLAG;
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+ }
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+
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+ return flags;
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+}
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+# else
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static unsigned
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get_arm_cpu_flags(void)
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{
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@@ -178,6 +204,7 @@ get_arm_cpu_flags(void)
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}
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return flags;
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}
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+# endif
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// Cache a local copy so we only have to read /proc/cpuinfo once.
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static unsigned arm_cpu_flags = get_arm_cpu_flags();
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