cbmem: convert x86 timestamps on OpenBSD

Change-Id: I16bfe42a00d73209307655601edaa3a8ffc9c902
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10905
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi 2015-07-13 16:53:50 +02:00 committed by Patrick Georgi
parent 3162a1db7a
commit d00f180812
1 changed files with 18 additions and 1 deletions

View File

@ -35,6 +35,11 @@
#include <libgen.h>
#include <assert.h>
#ifdef __OpenBSD__
#include <sys/param.h>
#include <sys/sysctl.h>
#endif
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#define MAP_BYTES (1024*1024)
#define IS_ENABLED(x) (defined (x) && (x))
@ -294,7 +299,7 @@ static int parse_cbtable(u64 address, size_t table_size)
return found;
}
#if defined(__i386__) || defined(__x86_64__)
#if defined(linux) && (defined(__i386__) || defined(__x86_64__))
/*
* read CPU frequency from a sysfs file, return an frequency in Kilohertz as
* an int or exit on any error.
@ -349,6 +354,18 @@ u64 arch_convert_raw_ts_entry(u64 ts)
return ts / cpu_freq_mhz;
}
#elif defined(__OpenBSD__) && (defined(__i386__) || defined(__x86_64__))
u64 arch_convert_raw_ts_entry(u64 ts)
{
int mib[2] = { CTL_HW, HW_CPUSPEED };
static int value = 0;
size_t value_len = sizeof(value);
if ((value == 0) && (sysctl(mib, 2, &value, &value_len, NULL, 0) == -1))
return ts;
return ts / value;
}
#else
/* On non-x86 platforms the timestamp entries