From: Helge Deller <deller@gmx.de>
Add emulation for /proc/cpuinfo for the alpha architecture.
alpha output example:
(alpha-chroot)root@p100:/# cat /proc/cpuinfo
cpu : Alpha
cpu model : ev67
cpu variation : 0
cpu revision : 0
cpu serial number : JA00000000
system type : QEMU
system variation : QEMU_v8.0.92
system revision : 0
system serial number : AY00000000
cycle frequency [Hz] : 250000000
timer frequency [Hz] : 250.00
page size [bytes] : 8192
phys. address bits : 44
max. addr. space # : 255
BogoMIPS : 2500.00
platform string : AlphaServer QEMU user-mode VM
cpus detected : 8
cpus active : 4
cpu active mask : 0000000000000095
L1 Icache : n/a
L1 Dcache : n/a
L2 cache : n/a
L3 cache : n/a
Cc: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230803214450.647040-4-deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/alpha/target_proc.h | 68 +++++++++++++++++++++++++++++++++-
1 file changed, 67 insertions(+), 1 deletion(-)
diff --git a/linux-user/alpha/target_proc.h b/linux-user/alpha/target_proc.h
index 43fe29ca72..dac37dffc9 100644
--- a/linux-user/alpha/target_proc.h
+++ b/linux-user/alpha/target_proc.h
@@ -1 +1,67 @@
-/* No target-specific /proc support */
+/*
+ * Alpha specific proc functions for linux-user
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef ALPHA_TARGET_PROC_H
+#define ALPHA_TARGET_PROC_H
+
+static int open_cpuinfo(CPUArchState *cpu_env, int fd)
+{
+ int max_cpus = sysconf(_SC_NPROCESSORS_CONF);
+ int num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+ unsigned long cpu_mask;
+ char model[32];
+ const char *p, *q;
+ int t;
+
+ p = object_class_get_name(OBJECT_CLASS(CPU_GET_CLASS(env_cpu(cpu_env))));