Multiprocessor support

shoily · Aug 15, 2020 · 8059bd6 · 8059bd6
1 parent c59183e
commit 8059bd6
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/README.md b/README.md
@@ -1,21 +1,23 @@
 <b>XIS</b> operating system needs only 2MB of memory to run.<br>
 
-It supports boot loader, kernel with protected mode, paging, E820 enumeration, interrupt and exception handling, system calls and user mode.
+It supports boot loader, kernel with protected mode, paging, E820 enumeration, interrupt and exception handling, system calls, user mode, local APIC and multiprocessor.
 
 <b>Instructions for building kernel -</b><br>
 as --32 boot32.S -o boot32.o<br>
 gcc -m32 -std=gnu99 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -ffreestanding -fno-pic -Wall -Wextra -Werror -c util.c -o util.o<br>
 gcc -m32 -std=gnu99 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -ffreestanding -fno-pic -Wall -Wextra -Werror -c system.c -o system.o<br>
 gcc -m32 -std=gnu99 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -ffreestanding -fno-pic -Wall -Wextra -Werror -c apic.c -o apic.o<br>
 as --32 handlr32.S -o handlr32.o<br>
+as --32 mpinit.S -o mpinit.o<br>
+gcc -m32 -std=gnu99 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -ffreestanding -fno-pic -Wall -Wextra -Werror -c smp.c -o smp.o<br>
 gcc -m32 -std=gnu99 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -ffreestanding -fno-pic -Wall -Wextra -Werror -c setup32.c -o setup32.o<br>
 gcc -m32 -std=gnu99 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -ffreestanding -fno-pic -Wall -Wextra -Werror -c start.c -o start.o<br>
 gcc -m32 -std=gnu99 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -ffreestanding -fno-pic -Wall -Wextra -Werror -c memory.c -o memory.o<br>
 gcc -m32 -std=gnu99 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -ffreestanding -fno-pic -Wall -Wextra -Werror -c page32.c -o page32.o<br>
 gcc -m32 -std=gnu99 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -ffreestanding -fno-pic -Wall -Wextra -Werror -c usermode.c -o usermode.o<br>
 
 
-ld -static -T kernel32.ld -m elf_i386 -nostdlib --nmagic boot32.o util.o system.o apic.o setup32.o handlr32.o memory.o page32.o usermode.o start.o -o xiskernel.elf<br>
+ld -static -T kernel32.ld -m elf_i386 -nostdlib --nmagic boot32.o util.o system.o apic.o mpinit.o smp.o setup32.o handlr32.o memory.o page32.o usermode.o start.o -o xiskernel.elf<br>
 objcopy -O binary xiskernel.elf xiskernel.bin<br>
 
 <b>Instructions for building boot loader -</b><br>
@@ -30,7 +32,7 @@ dd if=xiskernel.bin of=hda.raw seek=1<br>
 qemu-img convert -O qcow2 hda.raw hda.qcow2<br>
 
 <b>Running using QEMU -</b><br>
-sudo qemu-system-i386 -hda hda.qcow2 -m 2 --enable-kvm -cpu host<br>
+sudo qemu-system-i386 -smp 2 -hda hda.qcow2 -m 2 --enable-kvm -cpu host<br>
 
 <b>Contact -</b>