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63 lines
1.8 KiB
63 lines
1.8 KiB
#pragma once
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#include <assert.h>
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#include <stdint.h>
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#include "arch/getcycles.h"
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#include "current_sandbox.h"
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#include "panic.h"
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#include "sandbox_functions.h"
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#include "sandbox_state_history.h"
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#include "sandbox_types.h"
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static inline void
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sandbox_set_as_interrupted(struct sandbox *sandbox, sandbox_state_t last_state)
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{
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assert(sandbox);
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/* WARNING: All code before this assignment is preemptable */
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sandbox->state = SANDBOX_INTERRUPTED;
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barrier();
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uint64_t now = __getcycles();
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/* State Change Bookkeeping */
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sandbox->duration_of_state[last_state] += (now - sandbox->timestamp_of.last_state_change);
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sandbox->timestamp_of.last_state_change = now;
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/* We do not append SANDBOX_INTERRUPTED to the sandbox_state_history because it would quickly fill the buffer */
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runtime_sandbox_total_increment(SANDBOX_INTERRUPTED);
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runtime_sandbox_total_decrement(last_state);
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}
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static inline void
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sandbox_interrupt(struct sandbox *sandbox)
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{
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sandbox_set_as_interrupted(sandbox, sandbox->state);
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}
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/**
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* @brief Transition sandbox back to interrupted state
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* @param sandbox
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* @param interrupted_state - state to return to
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*/
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static inline void
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sandbox_interrupt_return(struct sandbox *sandbox, sandbox_state_t interrupted_state)
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{
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assert(sandbox);
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assert(interrupted_state != SANDBOX_INTERRUPTED);
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uint64_t now = __getcycles();
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/* State Change Bookkeeping */
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sandbox->duration_of_state[SANDBOX_INTERRUPTED] += (now - sandbox->timestamp_of.last_state_change);
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sandbox->timestamp_of.last_state_change = now;
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/* We do not append SANDBOX_INTERRUPTED to the sandbox_state_history because it would quickly fill the buffer */
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runtime_sandbox_total_increment(interrupted_state);
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runtime_sandbox_total_decrement(SANDBOX_INTERRUPTED);
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barrier();
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/* WARNING: Code after this assignment may be preemptable */
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sandbox->state = interrupted_state;
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}
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