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55 lines
1.5 KiB
55 lines
1.5 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_running_sys(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 if transitioning from RUNNING_USER */
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sandbox->state = SANDBOX_RUNNING_SYS;
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barrier();
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uint64_t now = __getcycles();
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switch (last_state) {
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case SANDBOX_RUNNING_USER: {
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assert(sandbox == current_sandbox_get());
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assert(runtime_worker_threads_deadline[worker_thread_idx] == sandbox->absolute_deadline);
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break;
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}
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case SANDBOX_RUNNABLE: {
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assert(sandbox);
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break;
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}
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default: {
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panic("Sandbox %lu | Illegal transition from %s to Running Sys\n", sandbox->id,
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sandbox_state_stringify(last_state));
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}
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}
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/* State Change Bookkeeping */
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assert(now > sandbox->timestamp_of.last_state_change);
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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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sandbox_state_history_append(&sandbox->state_history, SANDBOX_RUNNING_SYS);
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sandbox_state_totals_increment(SANDBOX_RUNNING_SYS);
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sandbox_state_totals_decrement(last_state);
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}
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static inline void
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sandbox_syscall(struct sandbox *sandbox)
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{
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assert(sandbox->state == SANDBOX_RUNNING_USER);
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sandbox_set_as_running_sys(sandbox, SANDBOX_RUNNING_USER);
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}
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