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[v6,API-NEXT,04/12] linux-generic: sysinfo: move x86 system info codes to its plarform file

Message ID 1453198633-24365-5-git-send-email-hongbo.zhang@linaro.org
State Superseded
Headers show

Commit Message

Hongbo Zhang Jan. 19, 2016, 10:17 a.m. UTC 
From: Hongbo Zhang <hongbo.zhang@linaro.org>

This patch moves the x86 system info codes into the newly added x86
specific platform file.

Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org>
---
 platform/linux-generic/Makefile.am                 |  6 +-
 .../linux-generic/arch/x86/odp_sysinfo_parse.c     | 72 ++++++++++++++++++++++
 platform/linux-generic/include/odp_internal.h      |  4 ++
 platform/linux-generic/odp_system_info.c           | 68 +-------------------
 4 files changed, 81 insertions(+), 69 deletions(-)
 create mode 100644 platform/linux-generic/arch/x86/odp_sysinfo_parse.c
diff mbox

Patch

diff --git a/platform/linux-generic/Makefile.am b/platform/linux-generic/Makefile.am
index 9fbb3bd..de43eff 100644
--- a/platform/linux-generic/Makefile.am
+++ b/platform/linux-generic/Makefile.am
@@ -159,12 +159,14 @@  __LIB__libodp_la_SOURCES = \
 			   odp_traffic_mngr.c \
 			   odp_version.c \
 			   odp_weak.c \
-			   arch/@ARCH@/odp_cpu_arch.c
+			   arch/@ARCH@/odp_cpu_arch.c \
+			   arch/@ARCH@/odp_sysinfo_parse.c
 
 EXTRA_DIST = \
 	     arch/linux/odp_cpu_arch.c \
 	     arch/mips64/odp_cpu_arch.c \
-	     arch/x86/odp_cpu_arch.c
+	     arch/x86/odp_cpu_arch.c \
+	     arch/x86/odp_sysinfo_parse.c
 
 if HAVE_PCAP
 __LIB__libodp_la_SOURCES += pktio/pcap.c
diff --git a/platform/linux-generic/arch/x86/odp_sysinfo_parse.c b/platform/linux-generic/arch/x86/odp_sysinfo_parse.c
new file mode 100644
index 0000000..e2931cb
--- /dev/null
+++ b/platform/linux-generic/arch/x86/odp_sysinfo_parse.c
@@ -0,0 +1,72 @@ 
+/* Copyright (c) 2016, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ */
+
+#include <odp_internal.h>
+#include <string.h>
+
+int odp_cpuinfo_parser(FILE *file, odp_system_info_t *sysinfo)
+{
+	char str[1024];
+	char *pos;
+	double ghz = 0.0;
+	uint64_t hz;
+	int id = 0;
+
+	while (fgets(str, sizeof(str), file) != NULL && id < MAX_CPU_NUMBER) {
+		pos = strstr(str, "model name");
+		if (pos) {
+			pos = strchr(str, ':');
+			strncpy(sysinfo->model_str[id], pos + 2,
+				sizeof(sysinfo->model_str[id]));
+
+			pos = strchr(sysinfo->model_str[id], '@');
+			*(pos - 1) = '\0';
+			if (sscanf(pos, "@ %lfGHz", &ghz) == 1) {
+				hz = (uint64_t)(ghz * 1000000000.0);
+				sysinfo->cpu_hz[id] = hz;
+			}
+			id++;
+		}
+	}
+
+	return 0;
+}
+
+uint64_t odp_cpu_hz_current(int id)
+{
+	char str[1024];
+	FILE *file;
+	int cpu;
+	char *pos;
+	double mhz = 0.0;
+
+	file = fopen("/proc/cpuinfo", "rt");
+
+	/* find the correct processor instance */
+	while (fgets(str, sizeof(str), file) != NULL) {
+		pos = strstr(str, "processor");
+		if (pos) {
+			if (sscanf(pos, "processor : %d", &cpu) == 1)
+				if (cpu == id)
+					break;
+		}
+	}
+
+	/* extract the cpu current speed */
+	while (fgets(str, sizeof(str), file) != NULL) {
+		pos = strstr(str, "cpu MHz");
+		if (pos) {
+			if (sscanf(pos, "cpu MHz : %lf", &mhz) == 1)
+				break;
+		}
+	}
+
+	fclose(file);
+	if (mhz)
+		return (uint64_t)(mhz * 1000000.0);
+
+	return -1;
+}
diff --git a/platform/linux-generic/include/odp_internal.h b/platform/linux-generic/include/odp_internal.h
index 39e6f78..b527438 100644
--- a/platform/linux-generic/include/odp_internal.h
+++ b/platform/linux-generic/include/odp_internal.h
@@ -20,6 +20,7 @@  extern "C" {
 
 #include <odp/init.h>
 #include <odp/thread.h>
+#include <stdio.h>
 
 extern __thread int __odp_errno;
 
@@ -108,6 +109,9 @@  int odp_tm_init_global(void);
 
 void _odp_flush_caches(void);
 
+int odp_cpuinfo_parser(FILE *file, odp_system_info_t *sysinfo);
+uint64_t odp_cpu_hz_current(int id);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/platform/linux-generic/odp_system_info.c b/platform/linux-generic/odp_system_info.c
index d05176c..d2b0a68 100644
--- a/platform/linux-generic/odp_system_info.c
+++ b/platform/linux-generic/odp_system_info.c
@@ -108,71 +108,7 @@  static int huge_page_size(void)
 /*
  * HW specific /proc/cpuinfo file parsing
  */
-#if defined __x86_64__ || defined __i386__
-
-static int odp_cpuinfo_parser(FILE *file, odp_system_info_t *sysinfo)
-{
-	char str[1024];
-	char *pos;
-	double ghz = 0.0;
-	int id = 0;
-
-	while (fgets(str, sizeof(str), file) != NULL && id < MAX_CPU_NUMBER) {
-		pos = strstr(str, "model name");
-		if (pos) {
-			pos = strchr(str, ':');
-			strncpy(sysinfo->model_str[id], pos + 2,
-				sizeof(sysinfo->model_str[id]));
-
-			pos = strchr(sysinfo->model_str[id], '@');
-			*(pos - 1) = '\0';
-			if (sscanf(pos, "@ %lfGHz", &ghz) == 1)
-				sysinfo->cpu_hz[id] = (uint64_t)(ghz * 1000000000.0);
-
-			id++;
-		}
-	}
-
-	return 0;
-}
-
-static uint64_t odp_cpu_hz_current(int id)
-{
-	char str[1024];
-	FILE *file;
-	int cpu;
-	char *pos;
-	double mhz = 0.0;
-
-	file = fopen("/proc/cpuinfo", "rt");
-
-	/* find the correct processor instance */
-	while (fgets(str, sizeof(str), file) != NULL) {
-		pos = strstr(str, "processor");
-		if (pos) {
-			if (sscanf(pos, "processor : %d", &cpu) == 1)
-				if (cpu == id)
-					break;
-		}
-	}
-
-	/* extract the cpu current speed */
-	while (fgets(str, sizeof(str), file) != NULL) {
-		pos = strstr(str, "cpu MHz");
-		if (pos) {
-			if (sscanf(pos, "cpu MHz : %lf", &mhz) == 1)
-				break;
-		}
-	}
-
-	fclose(file);
-	if (mhz)
-		return (uint64_t)(mhz * 1000000.0);
-
-	return -1;
-}
-
-#elif defined __arm__ || defined __aarch64__
+#if defined __arm__ || defined __aarch64__
 
 static int odp_cpuinfo_parser(FILE *file ODP_UNUSED,
 			      odp_system_info_t *sysinfo ODP_UNUSED)
@@ -278,8 +214,6 @@  static uint64_t odp_cpu_hz_current(int id ODP_UNUSED)
 	return -1;
 }
 
-#else
-	#error GCC target not found
 #endif