Reworked unit tests for machine and renamed test_programs directory
This commit is contained in:
François Autin
343
test/userlib/sys.s
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343
test/userlib/sys.s
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/* Start.s
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* Assembly language assist for user programs running on top of Nachos.
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*
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* Since we don't want to pull in the entire C library, we define
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* what we need for a user program here, namely Start and the system
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* calls.
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*
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* -----------------------------------------------------
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* This file is part of the BurritOS distribution
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* Copyright (c) 2022 University of Rennes 1.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details
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* (see see <http://www.gnu.org/licenses/>).
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* -----------------------------------------------------
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*/
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#define IN_ASM
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#include "userlib/syscall.h"
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// Equivalent to ".text", but with a different name, in order
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// to be correctly handled by the ldscript
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.section .sys,"ax",@progbits
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.align 2
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/* -------------------------------------------------------------
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* __start
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* Initialize running a C program, by calling "main".
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*
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* NOTE: This has to be first, so that it gets loaded at location 0.
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* The Nachos kernel always starts a program by jumping to location 0.
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* -------------------------------------------------------------
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*/
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.globl __start
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.type __start, @function
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__start:
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/* Call the program entry point */
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call main
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li a0, 0
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call Exit
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jr ra /* if we return from main, exit(0) */
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/* -------------------------------------------------------------
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* System call stubs:
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* Assembly language assist to make system calls to the Nachos kernel.
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* There is one stub per system call, that places the code for the
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* system call into register r10, and leaves the arguments to the
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* system call alone (in other words, arg1 is in r12, arg2 is
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* in r13, arg3 is in r14, arg4 is in r15)
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*
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* The return value is in r10. This follows the standard C calling
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* convention on the RISC-V.
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* -------------------------------------------------------------
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*/
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.globl Halt
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.type __Halt, @function
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Halt:
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addi a7,zero,SC_HALT
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ecall
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jr ra
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.globl Exit
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.type __Exit, @function
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Exit:
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addi a7,zero,SC_EXIT
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ecall
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jr ra
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.globl Exec
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.type __Exec, @function
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Exec:
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addi a7,zero,SC_EXEC
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ecall
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jr ra
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.globl Join
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.type __Join, @function
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Join:
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addi a7,zero,SC_JOIN
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ecall
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jr ra
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.globl Create
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.type __Create, @function
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Create:
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addi a7,zero,SC_CREATE
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ecall
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jr ra
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.globl Open
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.type __Open, @function
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Open:
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addi a7,zero,SC_OPEN
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ecall
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jr ra
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.globl Read
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.type __Read, @function
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Read:
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addi a7,zero,SC_READ
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ecall
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jr ra
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.globl Write
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.type __Write, @function
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Write:
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addi a7,zero,SC_WRITE
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ecall
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jr ra
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.globl Seek
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.type __Seek, @function
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Seek:
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addi a7,zero,SC_SEEK
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ecall
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jr ra
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.globl Close
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.type __Close, @function
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Close:
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addi a7,zero,SC_CLOSE
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ecall
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jr ra
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.globl FSList
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.type __FSList, @function
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FSList:
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addi a7,zero,SC_FSLIST
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ecall
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jr ra
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.globl newThread
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.type __newThread, @function
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newThread:
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addi a7,zero,SC_NEW_THREAD
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ecall
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jr ra
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.globl Remove
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.type __Remove, @function
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Remove:
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addi a7,zero,SC_REMOVE
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ecall
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jr ra
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.globl Yield
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.type __Yield, @function
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Yield:
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addi a7,zero,SC_YIELD
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ecall
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jr ra
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.globl PError
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.type __PError, @function
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PError:
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addi a7,zero,SC_PERROR
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ecall
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jr ra
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.globl P
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.type __P, @function
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P:
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addi a7,zero,SC_P
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ecall
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jr ra
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.globl V
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.type __V, @function
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V:
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addi a7,zero,SC_V
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ecall
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jr ra
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.globl SemCreate
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.type __SemCreate, @function
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SemCreate:
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addi a7,zero,SC_SEM_CREATE
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ecall
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jr ra
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.globl SemDestroy
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.type __SemDestroy, @function
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SemDestroy:
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addi a7,zero,SC_SEM_DESTROY
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ecall
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jr ra
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.globl SysTime
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.type __SysTime, @function
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SysTime:
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addi a7,zero,SC_SYS_TIME
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ecall
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jr ra
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.globl LockCreate
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.type __LockCreate, @function
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LockCreate:
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addi a7,zero,SC_LOCK_CREATE
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ecall
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jr ra
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.globl LockDestroy
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.type __LockDestroy, @function
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LockDestroy:
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addi a7,zero,SC_LOCK_DESTROY
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ecall
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jr ra
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.globl LockAcquire
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.type __LockAquire, @function
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LockAcquire:
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addi a7,zero,SC_LOCK_ACQUIRE
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ecall
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jr ra
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.globl LockRelease
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.type __LockRelease, @function
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LockRelease:
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addi a7,zero,SC_LOCK_RELEASE
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ecall
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jr ra
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.globl CondCreate
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.type __CondCreate, @function
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CondCreate:
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addi a7,zero,SC_COND_CREATE
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ecall
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jr ra
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.globl CondDestroy
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.type __CondDestroy, @function
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CondDestroy:
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addi a7,zero,SC_COND_DESTROY
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ecall
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jr ra
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.globl CondWait
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.type __CondWait, @function
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CondWait:
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addi a7,zero,SC_COND_WAIT
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ecall
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jr ra
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.globl CondSignal
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.type __CondSignal, @function
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CondSignal:
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addi a7,zero,SC_COND_SIGNAL
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ecall
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jr ra
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.globl CondBroadcast
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.type __CondBroadcast, @function
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CondBroadcast:
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addi a7,zero,SC_COND_BROADCAST
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ecall
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jr ra
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.globl TtySend
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.type __TtySend, @function
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TtySend:
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addi a7,zero,SC_TTY_SEND
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ecall
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jr ra
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.globl TtyReceive
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.type __TtyReceive, @function
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TtyReceive:
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addi a7,zero,SC_TTY_RECEIVE
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ecall
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jr ra
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.globl Mkdir
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.type __Mkdir, @function
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Mkdir:
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addi a7,zero,SC_MKDIR
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ecall
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jr ra
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.globl Rmdir
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.type __Rmdir, @function
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Rmdir:
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addi a7,zero,SC_RMDIR
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ecall
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jr ra
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.globl Mmap
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.type __Mmap, @function
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Mmap:
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addi a7,zero,SC_MMAP
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ecall
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jr ra
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.globl Debug
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.type __Debug, @function
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Debug:
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addi a7,zero,SC_DEBUG
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ecall
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jr ra
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