Add emulation for /proc/cpuinfo for arm architecture.
The output below mimics output as seen on debian porterboxes.
aarch64 output example:
processor : 0
BogoMIPS : 100.00
Features : fp asimd evtstrm cpuid
CPU implementer : 0x50
CPU architecture: 8
CPU variant : 0x0
CPU part : 0x0
CPU revision : 1
arm output example:
processor : 0
model name : ARMv7 Processor rev 2 (v7l)
BogoMIPS : 50.00
Features : half thumb fastmult vfp edsp thumbee vfpv3 tls idiva idivt
vfpd32 lpae
CPU implementer : 0x56
CPU architecture: 7
CPU variant : 0x2
CPU part : 0x584
CPU revision : 2
Signed-off-by: Helge Deller <del...@gmx.de>
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index dc8266c073..917c388073 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8287,7 +8287,8 @@ void target_exception_dump(CPUArchState *env, const char
*fmt, int code)
#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN || \
defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA) || \
- defined(TARGET_RISCV) || defined(TARGET_S390X)
+ defined(TARGET_RISCV) || defined(TARGET_S390X) || defined(TARGET_ARM) || \
+ defined(TARGET_AARCH64)
static int is_proc(const char *filename, const char *entry)
{
return strcmp(filename, entry) == 0;
@@ -8503,6 +8504,33 @@ static int open_hardware(CPUArchState *cpu_env, int fd)
}
#endif
+#if defined(TARGET_AARCH64) || defined(TARGET_ARM)
+static int open_cpuinfo(CPUArchState *cpu_env, int fd)
+{
+ int i, num_cpus;
+ const int is64 = TARGET_ABI_BITS == 64;
+
+ num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+ for (i = 0; i < num_cpus; i++) {
+ dprintf(fd, "processor\t: %d\n", i);
+ if (!is64) {
+ dprintf(fd, "model name\t: ARMv7 Processor rev 2 (v7l)\n");
+ }
+ dprintf(fd, "BogoMIPS\t: %d.00\n", is64 ? 100 : 50);
+ dprintf(fd, "Features\t: %s\n",
+ is64 ? "fp asimd evtstrm cpuid"
+ : "half thumb fastmult vfp edsp thumbee vfpv3 " \
+ "tls idiva idivt vfpd32 lpae");
+ dprintf(fd, "CPU implementer\t: 0x%d\n", is64 ? 50 : 56);
+ dprintf(fd, "CPU architecture: %d\n", is64 ? 8 : 7);
+ dprintf(fd, "CPU variant\t: 0x%d\n", is64 ? 0 : 2);
+ dprintf(fd, "CPU part\t: 0x%d\n", is64 ? 0 : 584);
+ dprintf(fd, "CPU revision\t: %d\n\n", is64 ? 1 : 2);
+ }
+ return 0;
+}
+#endif
+
int do_guest_openat(CPUArchState *cpu_env, int dirfd, const char *pathname,
int flags, mode_t mode, bool safe)
{
@@ -8522,7 +8550,8 @@ int do_guest_openat(CPUArchState *cpu_env, int dirfd,
const char *pathname,
{ "/proc/net/route", open_net_route, is_proc },
#endif
#if defined(TARGET_SPARC) || defined(TARGET_HPPA) || \
- defined(TARGET_RISCV) || defined(TARGET_S390X)
+ defined(TARGET_RISCV) || defined(TARGET_S390X) || \
+ defined(TARGET_ARM) || defined(TARGET_AARCH64)
{ "/proc/cpuinfo", open_cpuinfo, is_proc },
#endif
#if defined(TARGET_M68K)
