[libvirt PATCH v2 02/56] util: add a virArchFromHost() impl for Windows

Instead of relying on GNULIb's uname() impl, directly use the Windows API for determining CPU architecture. Reviewed-by: Pavel Hrdina <phrdina(a)redhat.com&gt; Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- src/util/virarch.c | 52 +++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 51 insertions(+), 1 deletion(-) diff --git a/src/util/virarch.c b/src/util/virarch.c index b132e178c3..f088b6b676 100644 --- a/src/util/virarch.c +++ b/src/util/virarch.c @@ -21,7 +21,12 @@ #include <config.h> -#include <sys/utsname.h> +#ifdef WIN32 +# define WIN32_LEAN_AND_MEAN +# include <windows.h> +#else +# include <sys/utsname.h> +#endif #include "virlog.h" #include "virarch.h" @@ -154,6 +159,50 @@ virArch virArchFromString(const char *archstr) * uname 'machine' field, since this will canonicalize * architecture names like 'amd64' into 'x86_64'. */ +#ifdef WIN32 + +/* + * Missing in ming64 headers 6.0.0, but defined as '12' in: + * + * https://docs.microsoft.com/en-us/windows/win32/api/sysinfoapi/ns-sysinfoa... + */ +# ifndef PROCESSOR_ARCHITECTURE_ARM64 +# define PROCESSOR_ARCHITECTURE_ARM64 12 +# endif + +virArch virArchFromHost(void) +{ + SYSTEM_INFO info; + + GetSystemInfo(&info); + + switch (info.wProcessorArchitecture) { + case PROCESSOR_ARCHITECTURE_AMD64: + return VIR_ARCH_X86_64; + case PROCESSOR_ARCHITECTURE_IA64: + return VIR_ARCH_ITANIUM; + case PROCESSOR_ARCHITECTURE_INTEL: + case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64: + return VIR_ARCH_I686; + case PROCESSOR_ARCHITECTURE_MIPS: + return VIR_ARCH_MIPS; + case PROCESSOR_ARCHITECTURE_ALPHA: + return VIR_ARCH_ALPHA; + case PROCESSOR_ARCHITECTURE_PPC: + return VIR_ARCH_PPC; + case PROCESSOR_ARCHITECTURE_SHX: + return VIR_ARCH_SH4; + case PROCESSOR_ARCHITECTURE_ARM: + return VIR_ARCH_ARMV7L; + case PROCESSOR_ARCHITECTURE_ARM64: + return VIR_ARCH_AARCH64; + default: + VIR_WARN("Unknown host arch '%d', report to libvir-list(a)redhat.com&quot;, + info.wProcessorArchitecture); + return VIR_ARCH_NONE; + } +} +#else /* !WIN32 */ virArch virArchFromHost(void) { struct utsname ut; @@ -184,3 +233,4 @@ virArch virArchFromHost(void) return arch; } +#endif /* !WIN32 */ -- 2.24.1