ngiddings
5efc389935
PCB is local to a process's address space. Context switches are written in assembly. Moved x86 headers to include/x86
32 lines
757 B
C
32 lines
757 B
C
#pragma once
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#include "pageallocator.h"
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#include "priorityqueue.h"
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#include "resource.h"
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#include "module.h"
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#include "process.h"
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#include <stddef.h>
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enum syscall_id_t
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{
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SYSCALL_YIELD = 1
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};
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struct kernel_t
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{
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struct page_stack_t *page_stack;
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struct priority_queue_t *priority_queue;
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struct process_t *active_process;
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struct resource_table_t *resource_table;
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};
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extern struct kernel_t kernel_state;
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size_t do_syscall(struct kernel_t *kernel, enum syscall_id_t id, size_t arg1, size_t arg2, size_t arg3);
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int load_module(struct kernel_t *kernel, struct module_t *module);
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struct process_state_t *next_process(struct kernel_t *kernel, struct process_state_t *prev_state);
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void panic(const char *message) __attribute__ ((noreturn));
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