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openSUSE:Leap:15.2:Rings:1-MinimalX
qemu
linux-user-Fake-proc-cpuinfo.patch
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File linux-user-Fake-proc-cpuinfo.patch of Package qemu
From: Alexander Graf <agraf@suse.de> Date: Mon, 23 Jul 2012 10:24:14 +0200 Subject: linux-user: Fake /proc/cpuinfo MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fedora 17 for ARM reads /proc/cpuinfo and fails if it doesn't contain ARM related contents. This patch implements a quick hack to expose real /proc/cpuinfo data taken from a real world machine. The real fix would be to generate at least the flags automatically based on the selected CPU. Please do not submit this patch upstream until this has happened. Signed-off-by: Alexander Graf <agraf@suse.de> [AF: Rebased for v1.6 and v1.7] Signed-off-by: Andreas Färber <afaerber@suse.de> --- linux-user/syscall.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 57be4c98555e50f2263811cd11f4..243ec2a1e3bde8e6b3ac48989554 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -7068,6 +7068,27 @@ static int open_self_stat(void *cpu_env, int fd) return 0; } +#if defined(TARGET_ARM) +static int open_cpuinfo(void *cpu_env, int fd) +{ + dprintf(fd, +"Processor : ARMv7 Processor rev 5 (v7l)\n" +"BogoMIPS : 799.53\n" +"Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3\n" +"CPU implementer : 0x41\n" +"CPU architecture: 7\n" +"CPU variant : 0x2\n" +"CPU part : 0xc08\n" +"CPU revision : 5\n" +"\n" +"Hardware : Genesi Efika MX (Smarttop)\n" +"Revision : 51030\n" +"Serial : 0000000000000000\n"); + + return 0; +} +#endif + static int open_self_auxv(void *cpu_env, int fd) { CPUState *cpu = env_cpu((CPUArchState *)cpu_env); @@ -7210,6 +7231,9 @@ static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, #if defined(TARGET_SPARC) { "/proc/cpuinfo", open_cpuinfo, is_proc }, #endif +#if defined(TARGET_ARM) + { "cpuinfo", open_cpuinfo, is_proc_myself }, +#endif #if defined(TARGET_M68K) { "/proc/hardware", open_hardware, is_proc }, #endif
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