mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 22:23:27 +00:00
82 lines
1.8 KiB
Diff
82 lines
1.8 KiB
Diff
--- a/arch/mips/kernel/time.c
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+++ b/arch/mips/kernel/time.c
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@@ -151,6 +151,27 @@ void (*mips_timer_ack)(void);
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unsigned int (*mips_hpt_read)(void);
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void (*mips_hpt_init)(unsigned int);
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+extern __u32 get_htscl(void)
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+{
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+ return timerhi;
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+}
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+
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+static __u64 tscll_last = 0;
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+
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+extern __u64 get_tscll(void)
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+{
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+ __u64 h = (__u64) timerhi;
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+ __u32 c = read_c0_count();
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+
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+ h <<= 32;
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+ h += c;
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+
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+ while (h < tscll_last)
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+ h += (((__u64) 1) << 32);
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+
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+ tscll_last = h;
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+ return h;
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+}
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/*
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* timeofday services, for syscalls.
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@@ -761,3 +782,5 @@ EXPORT_SYMBOL(rtc_lock);
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EXPORT_SYMBOL(to_tm);
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EXPORT_SYMBOL(rtc_set_time);
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EXPORT_SYMBOL(rtc_get_time);
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+EXPORT_SYMBOL(get_htscl);
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+EXPORT_SYMBOL(get_tscll);
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--- a/include/asm-mips/timex.h
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+++ b/include/asm-mips/timex.h
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@@ -31,6 +31,19 @@ static inline cycles_t get_cycles (void)
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return read_c0_count();
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}
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+extern __u32 get_htscl(void);
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+extern __u64 get_tscll(void);
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+
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+#define rdtsc(low, high) \
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+ high = get_htscl(); \
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+ low = read_c0_count();
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+
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+#define rdtscl(low) \
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+ low = read_c0_count();
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+
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+#define rdtscll(val) \
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+ val = get_tscll();
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+
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#define vxtime_lock() do {} while (0)
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#define vxtime_unlock() do {} while (0)
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--- a/include/net/pkt_sched.h
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+++ b/include/net/pkt_sched.h
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@@ -5,7 +5,11 @@
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#define PSCHED_JIFFIES 2
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#define PSCHED_CPU 3
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+#ifdef __mips__
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+#define PSCHED_CLOCK_SOURCE PSCHED_CPU
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+#else
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#define PSCHED_CLOCK_SOURCE PSCHED_JIFFIES
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+#endif
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#include <linux/config.h>
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#include <linux/types.h>
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@@ -261,7 +265,7 @@ extern int psched_clock_scale;
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#define PSCHED_US2JIFFIE(delay) (((delay)+psched_clock_per_hz-1)/psched_clock_per_hz)
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#define PSCHED_JIFFIE2US(delay) ((delay)*psched_clock_per_hz)
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-#ifdef CONFIG_X86_TSC
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+#if defined(CONFIG_X86_TSC) || defined(__mips__)
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#define PSCHED_GET_TIME(stamp) \
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({ u64 __cur; \
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