CS17 Project I

# ***** DO NOT MODIFY THIS FILE **** # #<------------------ MACRO DEFINITIONS ----------------------># # Macro : print_str # Usage: print_str(<address of the string>) .macro print_str($arg) li $v0, 4 # System call code for print_str la $a0, $arg # Address of the string to print syscall # Print the string .end_macro # Macro : print_int # Usage: print_int(<val>) .macro print_int($arg) li $v0, 1 # System call code for print_int li $a0, $arg # Integer to print syscall # Print the integer .end_macro # Macro : exit # Usage: exit .macro exit li $v0, 10 syscall .end_macro # Macro: read_int # Usage: read_int(<reg>) .macro read_int($arg) li $v0,5 # Read intger syscall move $arg, $v0 # move the data to target reg .end_macro # Macro: print_reg_int # Usage: print_reg_int(<reg>) .macro print_reg_int ($arg) li $v0, 1 # print_int call move $a0, $arg # move the source reg value to $a0 syscall .end_macro # Macro: lwi # Usage: lwi (<reg>, <upper imm>, <lower imm>) .macro lwi ($reg, $ui, $li) lui $reg, $ui ori $reg, $reg, $li .end_macro # Macro: push # Usage: push (<reg>) .macro push($reg) sw $reg, 0x0($sp) # M[$sp] = R[reg] addi $sp, $sp, -4 # R[sp] = R[sp] - 4 .end_macro # Macro: push # Usage: push (<reg>) .macro pop($reg) addi $sp, $sp, +4 # R[sp] = R[sp] + 4 lw $reg, 0x0($sp) # M[$sp] = R[reg] .end_macro .macro push_var_value($varName) lw $t0, $varName push($t0) .end_macro .macro push_var_address($varName) la $t0, $varName push($t0) .end_macro .macro call_printf($format) la $a0, $format jal printf .end_macro