573 lines
11 KiB
Plaintext
573 lines
11 KiB
Plaintext
# The OS/K Team licenses this file to you under the MIT license.
|
|
# See the LICENSE file in the project root for more information.
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Special instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Initiate machine shutdown (STOP)
|
|
#
|
|
# THROW #SHT
|
|
#
|
|
# Throws:
|
|
# #SYS if not in supervisor mode
|
|
# #ILL if disabled through DV
|
|
# #SHT otherwise
|
|
#
|
|
stop
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Logical instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Bitwise NOT operation
|
|
#
|
|
# $1 = NOT($1)
|
|
#
|
|
# Preserves all flags
|
|
#
|
|
not rm
|
|
|
|
#
|
|
# Bitwise OR operation
|
|
#
|
|
# $1 = $1 OR $2
|
|
#
|
|
# Clears OF and CF
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
or rm rim
|
|
orf rm rim
|
|
|
|
#
|
|
# Bitwise AND operation
|
|
#
|
|
# $1 = $1 AND $2
|
|
#
|
|
# Clears OF and CF
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
and rm rim
|
|
andf rm rim
|
|
|
|
#
|
|
# Bitwise XOR operation
|
|
#
|
|
# $1 = $1 XOR $2
|
|
#
|
|
# Clears OF and CF
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
xor rm rim
|
|
xorf rm rim
|
|
|
|
# To document
|
|
shl rm rim
|
|
shr rm rim
|
|
shlf rm rim
|
|
shrf rm rim
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Arithmetic instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Arithmetical SGN operation
|
|
#
|
|
# IF ($1 == 0) THEN
|
|
# $2 = 0
|
|
# ELIF ($1 GT 0) THEN
|
|
# $2 = 1
|
|
# ELSE
|
|
# $2 = LONG_MIN
|
|
# FI
|
|
#
|
|
# Treats $1 and $2 as signed values
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
sgn rm rim
|
|
sgnf rm rim
|
|
|
|
#
|
|
# Arithmetical NEG operation
|
|
#
|
|
# $1 = NOT($1) + 1
|
|
#
|
|
# Sets CF if $1 == 0; clears it otherwise
|
|
# Sets OF if $1 == $LONG_MIN; clears it otherwise
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
neg rm
|
|
negf rm
|
|
|
|
#
|
|
# Arithmetical INC operation
|
|
#
|
|
# $1 = $1 + 1
|
|
#
|
|
# Preserves CF
|
|
# Sets OF if $1 == $LONG_MAX, clears it otherwise
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
inc rm
|
|
incf rm
|
|
|
|
#
|
|
# Arithmetical DEC operation
|
|
#
|
|
# $1 = $1 - 1
|
|
#
|
|
# Preserves CF
|
|
# Sets OF if $1 == $LONG_MIN, clears it otherwise
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
dec rm
|
|
decf rm
|
|
|
|
#
|
|
# Arithmetical ADD operation
|
|
#
|
|
# $1 = $1 + $2
|
|
#
|
|
# Sets CF if unsigned integer overflow occur, clears it otherwise
|
|
# Sets OF is signed integer overflow occur, clears it otherwise
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
add rm rim
|
|
addf rm rim
|
|
|
|
#
|
|
# Arithmetical SUB operation
|
|
#
|
|
# $1 = $1 - $2
|
|
#
|
|
# Sets CF if unsigned integer overflow occur, clears it otherwise
|
|
# Sets OF is signed integer overflow occur, clears it otherwise
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
sub rm rim
|
|
subf rm rim
|
|
|
|
#
|
|
# Arithmetical unsigned MUL operation
|
|
#
|
|
# $1 = LO($1 * $2)
|
|
#
|
|
# Sets CF and OF if HI($1 * $2) > 0, clears them otherwise
|
|
# Preserves ZF and SF
|
|
#
|
|
mul rm rim
|
|
mulf rm rim
|
|
|
|
#
|
|
# Arithmetical unsigned DIV operation
|
|
#
|
|
# $1 = $1 DIV $2
|
|
#
|
|
# Preserves all flags
|
|
#
|
|
div rm rim
|
|
|
|
#
|
|
# Arithmetical unsigned MOD operation
|
|
#
|
|
# $1 = $1 MOD $2
|
|
#
|
|
# Preserves all flags
|
|
#
|
|
mod rm rim
|
|
|
|
#
|
|
# Arithmetical unsigned 128-bit MUL operation
|
|
#
|
|
# RDX = HI(RAX * $1)
|
|
# RAX = LO(RAX * $1)
|
|
#
|
|
# Sets CF and OF if HI($1 * $2) > 0, clears them otherwise
|
|
# Preserves ZF and SF
|
|
#
|
|
mul2 rim
|
|
mul2f rim
|
|
|
|
#
|
|
# Arithmetical unsigned combined DIV and MOD operations
|
|
#
|
|
# RDX = (RAX MOD $1)
|
|
# RAX = (RAX DIV $1)
|
|
#
|
|
# Preserves all flags
|
|
#
|
|
div2 rim
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Comparison instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# TEST Comparaison instruction
|
|
#
|
|
# $1 AND $2
|
|
#
|
|
# Clears OF and CF
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
test rim rim
|
|
|
|
#
|
|
# CMP Comparaison instruction
|
|
#
|
|
# $1 - $2
|
|
#
|
|
# Sets CF if unsigned integer overflow occur, clears it otherwise
|
|
# Sets OF is signed integer overflow occur, clears it otherwise
|
|
# Sets ZF and SF according to the result
|
|
#
|
|
cmp rim rim
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Jump instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Unconditional jump (JMP) instruction
|
|
#
|
|
# RIP = CR1 + $1
|
|
#
|
|
j ri
|
|
jmp ri
|
|
|
|
#
|
|
# RCX-dependent jump (LOOP) instruction
|
|
#
|
|
# IF (RCX > 0) THEN
|
|
# RCX = RCX - 1
|
|
# RIP = CR1 + $1
|
|
# FI
|
|
#
|
|
loop ri
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Movement instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Load Effective Address (LEA) instruction
|
|
#
|
|
# $1 = ADDR($2)
|
|
#
|
|
# For instance:
|
|
# LEA RAX, [RBX + RCX + 4]
|
|
# will result in:
|
|
# RAX = RBX + RCX + 4
|
|
#
|
|
# Preserves all flags
|
|
#
|
|
lea rm m
|
|
|
|
#
|
|
# Movement (MOV) instruction
|
|
#
|
|
# $1 = $2
|
|
#
|
|
mov rm rim
|
|
|
|
#
|
|
# Movement with zero-extension (MOVZX) instruction
|
|
#
|
|
# $1 = ZeroExtend($2)
|
|
#
|
|
movzx rm m
|
|
|
|
#
|
|
# Exchange (XCHG) instruction
|
|
#
|
|
# $_ = $1
|
|
# $1 = $2
|
|
# $2 = $_
|
|
#
|
|
xchg rm rim
|
|
|
|
#
|
|
# Compare-and-exchange (CMPXCHG) instruction
|
|
#
|
|
# IF ($1 == RAX) THEN
|
|
# $1 = $2
|
|
# ZF = 1
|
|
# ELSE
|
|
# RAX = $1
|
|
# ZF = 0
|
|
# FI
|
|
#
|
|
# Preserves CF, OF and SF
|
|
#
|
|
cmpxchg rm rim
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Stack manipulation instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# PUSH value onto stack
|
|
#
|
|
# RSP = RSP - 8
|
|
# *RSP = $1
|
|
#
|
|
# Throws:
|
|
# #STA if RBP MOD 8 > 0
|
|
# #STA if RSP MOD 8 > 0
|
|
# #STU if RSP > RBP
|
|
#
|
|
push rim
|
|
|
|
#
|
|
# POP value from stack
|
|
#
|
|
# $1 = *RSP
|
|
# RSP = RSP + 8
|
|
#
|
|
# Throws:
|
|
# #STA if RBP MOD 8 > 0
|
|
# #STA if RSP MOD 8 > 0
|
|
# #STU if RSP >= RBP
|
|
#
|
|
pop rm
|
|
|
|
#
|
|
# Unconditional jump with possible return (CALL)
|
|
#
|
|
# PUSH(RIP)
|
|
# JMP(RIP)
|
|
#
|
|
# Throws:
|
|
# See PUSH and JMP
|
|
#
|
|
call rim
|
|
|
|
#
|
|
# Return to caller (RET)
|
|
#
|
|
# POP(RIP)
|
|
#
|
|
# Throws:
|
|
# See POP
|
|
#
|
|
ret
|
|
|
|
#
|
|
# Make new stack frame (ENTER)
|
|
#
|
|
# PUSH(RBP)
|
|
# RBP = RSP
|
|
# RSP = RSP - $1
|
|
#
|
|
# Throws:
|
|
# See PUSH
|
|
#
|
|
enter
|
|
enter i
|
|
|
|
#
|
|
# Leave stack frame (LEAVE)
|
|
#
|
|
# RSP = RBP
|
|
# POP(RBP)
|
|
#
|
|
leave
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# String manipulation instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Store value into string (STOSx)
|
|
#
|
|
# [%str] = $val
|
|
# IF (DF == 0) THEN
|
|
# %str = %str + sizeof(x)
|
|
# ELSE
|
|
# %str = %str - sizeof(x)
|
|
# FI
|
|
#
|
|
# When no parameters are given, %str = RDI and $val = RAX
|
|
# When one parameter is given, %str = RDI and $val = $1
|
|
# When two parameters are given, %str = $1 and $val = $2
|
|
#
|
|
stosb
|
|
stosb rim
|
|
stosb r rim
|
|
|
|
#
|
|
# Load value from string (LODSx)
|
|
#
|
|
# %dest = [%str]
|
|
# IF (DF == 0) THEN
|
|
# %str = %str + sizeof(x)
|
|
# ELSE
|
|
# %str = %str - sizeof(x)
|
|
# FI
|
|
#
|
|
# When no parameters are given, %str = RDI and %dest = RAX
|
|
# When one parameter is given, %str = RDI and %dest = $1
|
|
# When two parameters are given, %str = $2 and %dest = $1
|
|
#
|
|
lodsb
|
|
lodsb r
|
|
lodsb rm r
|
|
|
|
#
|
|
# Move value from string to string (MOVSx)
|
|
#
|
|
# [%str1] = [%str2]
|
|
# IF (DF == 0) THEN
|
|
# %str1 = %str1 + sizeof(x)
|
|
# %str2 = %str2 + sizeof(x)
|
|
# ELSE
|
|
# %str1 = %str1 - sizeof(x)
|
|
# %str2 = %str2 - sizeof(x)
|
|
# FI
|
|
#
|
|
# When no parameters are given, %str1 = RDI and %str2 = RSI
|
|
# When one parameter is given, %str1 = RDI and %str2 = $1
|
|
# When two parameters are given, %str1 = $1 and %str2 = $2
|
|
#
|
|
movsb
|
|
movsb r
|
|
movsb r r
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Supervisor only instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
pushf
|
|
popf
|
|
|
|
#
|
|
# Call an architecture-reserved function slot of device (DEVCTL)
|
|
#
|
|
# See dv/DEVAPI
|
|
#
|
|
devctl rim rim
|
|
|
|
#
|
|
# Call a device-defined function slot of device (IOCALL)
|
|
#
|
|
# See dv/DEVAPI
|
|
#
|
|
iocall rim rim
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Flag manipulation instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Clear or set interrupt flag (CLI/STI)
|
|
#
|
|
# Throws:
|
|
# #SYS if not in supervisor mode
|
|
#
|
|
cli
|
|
sti
|
|
|
|
#
|
|
# Clear or set direction flag (CLD/STD)
|
|
#
|
|
cld
|
|
std
|
|
|
|
#
|
|
# Complement, clear or set carry flag (CMC/CLC/STC)
|
|
#
|
|
cmc
|
|
clc
|
|
stc
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Misc. instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Do nothing (NOOP)
|
|
#
|
|
# (nothing)
|
|
#
|
|
# Throws:
|
|
# (nothing)
|
|
#
|
|
# Preserves all flags
|
|
#
|
|
nop
|
|
|
|
#
|
|
# Get code/data offset (GCO/GCD)
|
|
#
|
|
# $1 = CR1 (GCO)
|
|
# $1 = CR2 (GCD)
|
|
#
|
|
gco rm
|
|
gcd rm
|
|
|
|
#
|
|
# Send a character to standard output (PRN)
|
|
#
|
|
# Throws:
|
|
# #PRN if DV text mode enabled
|
|
# #PRN if graphic mode enabled
|
|
#
|
|
prn rim
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Debugging instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Breakpoint instruction (BREAK)
|
|
#
|
|
# (cause register dump on standard error)
|
|
# (wait for user input before proceeeding)
|
|
#
|
|
break
|
|
|
|
#
|
|
# Step-by-step execution (STEP)
|
|
#
|
|
# IF $1 == 0 THEN
|
|
# (disable step-by-step execution)
|
|
# ELSE
|
|
# (enable step-by-step execution)
|
|
# FI
|
|
#
|
|
step rim
|
|
|
|
#---------------------------------------------------------------------------#
|
|
# Clean-up misc. instructions #
|
|
#---------------------------------------------------------------------------#
|
|
|
|
#
|
|
# Clear base volatile registers (CLR)
|
|
#
|
|
# RAX = RBX = RCX = RDX = 0
|
|
# RSX = RBI = RDI = RSI = 0
|
|
#
|
|
clr
|
|
|
|
#
|
|
# Clear argument registers (CLA)
|
|
#
|
|
# AX0 = AX1 = AX2 = AX3 = 0
|
|
# AX4 = AX5 = AX6 = AX7 = 0
|
|
#
|
|
cla
|
|
|
|
#
|
|
# Clear base non-volatile registers (CLN)
|
|
#
|
|
# NX0 = NX1 = NX2 = NX3 = 0
|
|
# NX4 = NX5 = NX6 = NX7 = 0
|
|
#
|
|
cln
|
|
|
|
#---------------------------------------------------------------------------#
|
|
|