From 5f95b0697dbf08980d02cfd5fdf09805d2305f59 Mon Sep 17 00:00:00 2001
From: Peter Robinson <pbrobinson@gmail.com>
Date: Tue, 16 Aug 2016 10:31:30 +0100
Subject: [PATCH] initial aarch64 support

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
---
 libsysinfo-0.2.2/Linux/Makefile          |   3 +
 libsysinfo-0.2.2/Linux/cpuinfo_aarch64.c | 116 +++++++++++++++++++++++++++++++
 2 files changed, 119 insertions(+)
 create mode 100644 libsysinfo-0.2.2/Linux/cpuinfo_aarch64.c

diff --git a/libsysinfo-0.2.2/Linux/Makefile b/libsysinfo-0.2.2/Linux/Makefile
index 803cacd..ce5031b 100644
--- a/libsysinfo-0.2.2/Linux/Makefile
+++ b/libsysinfo-0.2.2/Linux/Makefile
@@ -19,6 +19,9 @@ cpuinfo.o:	  $(ARCH)
 alpha:	cpuinfo_alpha.c
 	$(CROSS)$(CC) $(CFLAGS) -o cpuinfo.o -c cpuinfo_alpha.c
 
+aarch64:	cpuinfo_arm.c
+	$(CROSS)$(CC) $(CFLAGS) -o cpuinfo.o -c cpuinfo_aarch64.c
+
 arm:	cpuinfo_arm.c
 	$(CROSS)$(CC) $(CFLAGS) -o cpuinfo.o -c cpuinfo_arm.c
 
diff --git a/libsysinfo-0.2.2/Linux/cpuinfo_aarch64.c b/libsysinfo-0.2.2/Linux/cpuinfo_aarch64.c
new file mode 100644
index 0000000..4c72ec4
--- /dev/null
+++ b/libsysinfo-0.2.2/Linux/cpuinfo_aarch64.c
@@ -0,0 +1,116 @@
+/* Handles arm chips on Linux architecture   */
+/* by Vince Weaver <vince@deater.net>        */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>  /* atof */
+
+#include "../sysinfo.h"
+#include "../include/generic.h"
+
+int get_cpu_info(struct cpu_info_type *cpu_info) {
+
+    FILE *fff;
+    char temp_string[BUFSIZ];
+    char vendor_string[BUFSIZ],model_string[BUFSIZ],hardware_string[BUFSIZ];
+    int cpu_count=0;
+    float bogomips=0.0;
+   
+    vendor_string[0]=model_string[0]=hardware_string[0]=0;
+ 
+       /* We get all of our info here from /proc/cpuinfo */
+    if ((fff=fopen(get_cpuinfo_file(),"r") )!=NULL) {
+       
+       while ( (fgets(temp_string,BUFSIZ,fff)!=NULL) ) {
+	
+	  if ( !(strncmp(temp_string,"Processor",9))) {
+	     strncpy(vendor_string,parse_line(temp_string),BUFSIZ);
+	     clip_lf(vendor_string,BUFSIZ);
+	  }	  
+	  if ( !(strncmp(temp_string,"Processor",9))) {
+	     strncpy(model_string,parse_line(temp_string),BUFSIZ);
+	     clip_lf(model_string,BUFSIZ);
+	  }	  
+	  
+	  if ( !(strncmp(temp_string,"cpu",3))) {
+	     strncpy(model_string,parse_line(temp_string),BUFSIZ);
+	     clip_lf(model_string,BUFSIZ);
+	  }
+	  
+	     /* Huge big ugly hack */
+	  if (strstr(model_string,"sa11")!=NULL) {
+	     strncpy(model_string,"StrongARM",16);
+	  } else
+	  if (strstr(model_string,"StrongARM")!=NULL) {
+	     strncpy(model_string,"StrongARM",14);
+	  } else
+	  if (strstr(model_string,"XScale")!=NULL) {
+	     strncpy(model_string,"XScale",14);
+	  } else	    
+	  if (strstr(model_string,"710")!=NULL) {
+	     strncpy(model_string,"710",4);
+	  } else
+	  if (strstr(model_string,"940")!=NULL) {
+	     strncpy(model_string,"940",4);
+	  } else
+	  if (strstr(model_string,"Feroceon")!=NULL) {
+	     strncpy(model_string,"Feroceon",9);
+	  } 	  
+	  if (!strncmp(model_string,"ARMv",4)) {
+	     sscanf(model_string,"%s",model_string);
+	  } 	  	  
+	    
+	     /* Ugh why must people play with capitalization */
+	  if ( !(strncmp(temp_string,"bogomips",8)) ||
+	       !(strncmp(temp_string,"BogoMips",8)) ||
+	       !(strncmp(temp_string,"BogoMIPS",8))) {
+	     bogomips+=atof(parse_line(temp_string));
+	     cpu_count++;  /* Cheating way to detect number of intel CPU's */
+	  }
+       }
+    }
+
+    strncpy(cpu_info->chip_vendor,vendor_string,SYSINFO_CHIP_VENDOR_SIZE);
+    strncpy(cpu_info->chip_type,model_string,SYSINFO_CHIP_TYPE_SIZE);
+   
+       /* This done off of only 2 cpuinfos, so probably not the best */
+    if (!strncmp(vendor_string,"ARM",3)) {
+       strncpy(cpu_info->chip_vendor,"ARM",4);
+    }
+    else
+    if (!strncmp(vendor_string,"Intel",5)){
+       strncpy(cpu_info->chip_vendor,"Intel",6);
+    }
+    else strncpy(cpu_info->chip_vendor,"ARM",4);
+
+    cpu_info->num_cpus=cpu_count;
+    cpu_info->megahertz=0.0;
+    cpu_info->bogomips=bogomips;
+
+    return 0;
+   
+}
+
+int get_hardware(char *hardware_string) {
+
+    char temp_string[BUFSIZ];
+    FILE *fff;
+   
+    if ((fff=fopen(get_cpuinfo_file(),"r") )!=NULL) {
+       
+       while ( (fgets(temp_string,BUFSIZ,fff)!=NULL) ) {
+	  	  
+	  if (!(strncmp(temp_string,"Hardware",8))) {
+             strncpy(hardware_string,parse_line(temp_string),
+		     SYSINFO_HARDWARE_STRING_SIZE);
+	  }
+       }
+    }
+    return 1;
+}
+
+    /* Some architectures might have better ways of detecting RAM size */
+long long get_arch_specific_mem_size(void) {
+       /* We have no special way of detecting RAM */
+       return 0;
+}
-- 
2.9.3