62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
#ifndef SOCKS_CPU_H_
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#define SOCKS_CPU_H_
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#include <socks/types.h>
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#include <socks/machine/cpu.h>
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#include <stdint.h>
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#include <socks/sched.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum cpu_flags {
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CPU_ONLINE = 0x01u,
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};
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struct cpu_data {
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enum cpu_flags c_flags;
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unsigned int c_id;
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int c_preempt_count;
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struct runqueue c_rq;
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struct queue c_timers;
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};
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/* maximum number of processor cores that the kernel can support.
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TODO move to build config option */
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#define CPU_MAX 128
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#define this_cpu() (ml_cpu_block_get_id(ml_this_cpu()))
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extern struct cpu_data *get_this_cpu(void);
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extern struct cpu_data *get_cpu(unsigned int id);
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extern void put_cpu(struct cpu_data *cpu);
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extern bool cpu_is_available(unsigned int cpu_id);
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extern bool cpu_is_online(unsigned int cpu_id);
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extern void cpu_set_available(unsigned int cpu_id);
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extern void cpu_set_online(unsigned int cpu_id);
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extern cycles_t get_cycles(void);
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static inline cycles_t cycles_diff(cycles_t then, cycles_t now)
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{
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return now >= then ? now - then : (CYCLES_MAX - then) + now;
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}
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#define irq_enable() ml_int_enable()
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#define irq_disable() ml_int_disable()
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extern void preempt_disable(void);
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extern void preempt_enable(void);
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extern int preempt_count(void);
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extern unsigned int cpu_get_highest_available(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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