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91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
#ifndef _LIBMSL_M_SYSTEM_H
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#define _LIBMSL_M_SYSTEM_H
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#include <desc.h>
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#include <dir_entry.h>
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#include <stddef.h>
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#include <stdint.h>
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#if defined(__x86_64__)
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#define PAGE_SIZE 4096
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#endif
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#define MAP_PRESENT (1 << 0)
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#define MAP_RW (1 << 1)
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#define MAP_USER (1 << 2)
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#define MAP_FLAGS (MAP_PRESENT | MAP_USER)
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/* Quit the current running process */
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int quit (void);
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/* Test syscall */
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int test (char c);
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/* Give the CPU to another process */
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int sched (void);
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/* map memory into this procgrou[ */
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void* map (uintptr_t vaddr, size_t pages, uint32_t flags);
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/* unmap memory from this procgrou[ */
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int unmap (uintptr_t vaddr, size_t pages);
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/* Clone process with argument and entry point */
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int clone (uintptr_t vstack_top, void (*entry) (void), void* argument_ptr);
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/* Create a mutex */
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int mutex_create (void);
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/* Delete a mutex. Will wake up waiters */
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int mutex_delete (int mutex_rid);
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/* Lock a mutex */
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int mutex_lock (int mutex_rid);
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/* Unlock a mutex */
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int mutex_unlock (int mutex_rid);
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/* get current process argument pointer */
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void* argument_ptr (void);
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/* Call a device command */
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int device_do (const char* device_key, int cmd, void* a1, void* a2, void* a3, void* a4);
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/* Run external ELF program */
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int exec (const char* volume, const char* path);
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/* Open a file */
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int volume_open (const char* volume);
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/* Close a file */
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int volume_close (void);
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/* Read a file */
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int read_file (const char* path, size_t off, uint8_t* buffer, size_t size);
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/* describe a file */
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int describe (const char* path, struct desc* desc);
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/* send a message to a procgroup's mail */
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int mail_send (int pgid, void* mesg, size_t mesg_size);
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/* receive a message from mail */
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int mail_receive (void* mesg, size_t mesg_size);
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/* get procgroup id of a perticular process */
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int get_procgroup (int pid);
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/* get PID of process, which exec'ed the current process */
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int get_exec_pid (void);
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/* Read directory entry */
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int read_dir_entry (const char* path, struct dir_entry* entry, size_t entry_num);
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/* create a file */
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int create_file (const char* path);
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/* write to a file */
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int write_file (const char* path, size_t off, uint8_t* buffer, size_t size);
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#endif // _LIBMSL_M_SYSTEM_H
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