chore: remove build.sh

build.sh

@@ -1,200 +0,0 @@
-#!/usr/bin/env bash
-
-# -----------------------------------------------------------------------------
-# log reporting
-# -----------------------------------------------------------------------------
-plain() {
-	local mesg=$1; shift
-
-	# shellcheck disable=SC2059
-	printf "${BOLD}    ${mesg}${ALL_OFF}\n" "$@"
-}
-
-msg() {
-	local mesg=$1; shift
-
-	# shellcheck disable=SC2059
-	printf "${MAGENTA}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@"
-}
-
-msg2() {
-	local mesg=$1; shift
-
-	# shellcheck disable=SC2059
-	printf "${BLUE} ->${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@"
-}
-
-error() {
-	local mesg=$1; shift
-
-	# shellcheck disable=SC2059
-	printf "${RED}==> ERROR:${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@"
-	exit 1
-}
-
-warning() {
-	local mesg=$1; shift
-
-	# shellcheck disable=SC2059
-	printf "${YELLOW}==> WARNING:${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@"
-}
-
-success() {
-	local mesg=$1; shift
-
-	# shellcheck disable=SC2059
-	printf "${GREEN}==> SUCCESS:${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@"
-}
-
-# -----------------------------------------------------------------------------
-# -----------------------------------------------------------------------------
-
-# -----------------------------------------------------------------------------
-#  build
-# -----------------------------------------------------------------------------
-
-
-# -----------------------------------------------------------------------------
-#  tools
-# -----------------------------------------------------------------------------
-
-build_tools() {
-	msg "Builing tools"
-	plain "tools dir: %s" "${TOOLS_DIR}"
-
-	make tools
-}
-
-# -----------------------------------------------------------------------------
-#  doctor - check os dependancies
-# -----------------------------------------------------------------------------
-check_tool() {
-	local tool=$1; shift
-
-	printf "checking for %s " "${tool}"
-
-	tool_path="$(which "${tool}" 2> /dev/null)"
-	if [ -z "${tool_path}" ]; then
-		# shellcheck disable=SC2059
-		printf "${BOLD}${RED}NO${ALL_OFF}\n"
-		false;
-	else
-		# shellcheck disable=SC2059
-		printf "${GREEN}${tool_path}${ALL_OFF}\n"
-		true;
-	fi
-}
-
-doctor() {
-	local err=0
-
-	check_tool fasm || ((err++))
-	check_tool gcc || ((err++))
-	check_tool bmake || ((err++))
-	check_tool sha256sum || ((err++))
-	check_tool python3 || ((err++))
-
-	if [ $err -gt 0 ]; then error "Some tools are missing"; fi
-}
-
-# -----------------------------------------------------------------------------
-#  usage & version
-# -----------------------------------------------------------------------------
-
-usage() {
-	local status=$1
-
-	if [ ${status} -eq 0 ]; then
-		cat <<EOF
-Usage: $prgname [-hV] [COMMANDS]
-Flags:
-	-h	display this menu.
-	-V	display version information.
-Options:
-Commands:
-	doctor
-	tools
-	build
-EOF
-	else
-		printf "Try '%s -h' for more information.\n" "${prgname}" >&2
-	fi
-
-	exit ${status}
-}
-
-version() {
-	VERSION_MAJOR="$(grep VERSION_MAJOR  kernel/const.inc  | cut -d' ' -f 3)"
-	VERSION_MINOR="$(grep VERSION_MINOR  kernel/const.inc  | cut -d' ' -f 3)"
-
-	printf "%s (StupidOS) %d.%d\n" "${prgname}" ${VERSION_MAJOR} ${VERSION_MINOR}
-
-	exit 0
-}
-
-# -----------------------------------------------------------------------------
-#  entry 
-# -----------------------------------------------------------------------------
-LC_ALL=C
-export LC_ALL
-
-unset INFODIR
-unset LESSCHARSET
-unset MAKEFLAGS
-unset TERMINFO
-
-unset ALL_OFF BOLD RED GREEN BLUE MAGENTA YELLOW
-if [ ! -v NO_COLOR ]; then
-	ALL_OFF="\e[1;0m"
-	BOLD="\e[1;1m"
-	BLUE="${BOLD}\e[1;34m"
-	GREEN="${BOLD}\e[1;32m"
-	RED="${BOLD}\e[1;31m"
-	MAGENTA="${BOLD}\e[1;35m"
-	YELLOW="${BOLD}\e[1;33m"
-fi
-readonly ALL_OFF BOLD RED GREEN BLUE MAGENTA YELLOW
-
-unset topdir prgname build_start
-prgname="$(basename $0)"
-topdir="$(realpath "$0")"
-topdir="$(dirname "${topdir}")"
-#build_start="$(date)"
-readonly topdir prgname
-#build_start
-
-SRC_DIR="${topdir}"
-BUILD_DIR="${topdir}/.build"
-TOOLS_DIR="${topdir}/.tools"
-TOOLS_PREFIX="stpd-"
-export PATH="$PATH:$TOOLS_DIR"
-
-if [ ! -f Makefile ] || [ ! -f LICENSE ]; then
-	error "Run this script at StupidOS root"
-fi
-
-if [ $# -eq 0 ]; then
-	usage 1
-fi
-
-while [ $# -gt 0 ]; do
-	op=$1; shift
-
-	case "${op}" in
-		help | --help | -h)
-			usage 0
-			;;
-		--version | -V)
-			version
-			;;
-		doctor)
-			doctor
-			;;
-		tools)
-			build_tools
-			;;
-		*)
-			usage 1
-			;;
-	esac
-done

kernel/dev/at/com.inc

@@ -1,6 +1,28 @@
 	;; File: com.inc
+	;;
+	;; Usefull links:
+	;; - <PC16550D datasheet at https://www.scs.stanford.edu/10wi-cs140/pintos/specs/pc16550d.pdf>
 
-COM_MAJOR = 1
+COM1 = 0x3F8
+COM2 = 0x2F8
+COM3 = 0x3E8
+COM4 = 0x2E8
+
+UART8250_RBR = 0x0
+UART8250_THR = 0x0
+
+UART8250_IER = 0x1
+UART8250_IIR = 0x2
+UART8250_FCR = 0x2
+UART8250_LCR = 0x3
+UART8250_MCR = 0x4
+UART8250_LSR = 0x5
+UART8250_MSR = 0x6
+UART8250_SCR = 0x7
+
+	; DLAB = 1
+UART8250_DLL = 0x0
+UART8250_DLH = 0x1
 
 com_init:
 	ret
@@ -8,9 +30,13 @@ com_init:
 com_probe:
 	ret
 
-com_irq:
+com_irq1:
 	pusha
 
 	popa
 	iret
 
+com_irq2:
+	pusha
+	popa
+	iret

kernel/dev/at/ne2k.inc

@@ -74,7 +74,6 @@ ne2k_init:
 
 
 ne2k_probe:
-
 	ret
 
 ne2k_irq:

kernel/gdt.inc

@@ -66,3 +66,8 @@ gdt_flush:
 	mov gs, ax
 	mov ss, ax
 	ret
+
+tss_flush:
+	mov ax, 0x2B
+	ltr ax
+	ret

kernel/idt.inc

@@ -33,14 +33,22 @@ idt_setup:
 	cmp ecx, 0x30
 	jb @b
 
+	mov ecx, 35
+	mov eax, com_irq2
+	call idt_set_gate
+
 	mov ecx, 36
-	mov eax, com_irq
+	mov eax, com_irq1
 	call idt_set_gate
 
 	mov ecx, 38
 	mov eax, floppy_irq
 	call idt_set_gate
 
+	mov ecx, 41
+	mov eax, ne2k_irq
+	call idt_set_gate
+
 	mov ecx, 0x42
 	mov eax, isr_syscall
 	call idt_set_gate

kernel/kernel.asm

@@ -71,6 +71,7 @@ kmain:
 
 	call gdt_set_tss
 	call gdt_flush
+	call tss_flush
 
 	call idt_setup
 
@@ -86,6 +87,8 @@ kmain:
 	;mov al, 'X'
 	;call cga_putc
 
+
+
 .halt:
 	hlt
 	jmp $
@@ -96,6 +99,8 @@ kmain:
 	jmp .halt
 
 	include 'dev/at/cmos.inc'
+	include 'dev/at/com.inc'
+	include 'dev/at/ne2k.inc'
 	include 'dev/at/pit.inc'
 	include 'dev/at/kbd.inc'
 	include 'dev/at/cga.inc'