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Add modules

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This reverts commit 7fe1a796b2.
This commit is contained in:
Alex Kotov 2021-12-21 10:56:44 +05:00
parent 8dabcb4f73
commit f6ecb951fd
Signed by: kotovalexarian
GPG key ID: 553C0EBBEB5D5F08
11 changed files with 163 additions and 3 deletions
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2
.gitignore vendored
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@ -5,3 +5,5 @@
/config.mk
/rootfs/boot/tailix.multiboot2
/rootfs/boot/procman
/rootfs/boot/memgr

22
Makefile
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@ -3,8 +3,10 @@ ROOTFS = rootfs
GRUBCFG = $(ROOTFS)/boot/grub/grub.cfg
KERNEL = $(ROOTFS)/boot/tailix.multiboot2
PROCMAN = $(ROOTFS)/boot/procman
MEMGR = $(ROOTFS)/boot/memgr
.PHONY: kernel/tailix.multiboot2
.PHONY: kernel/tailix.multiboot2 procman/procman memgr/memgr
all: run0
@ -15,14 +17,28 @@ run1: $(IMAGE)
qemu-system-i386 -cdrom $< -serial stdio
clean:
rm -f $(IMAGE) $(KERNEL)
rm -f $(IMAGE) $(KERNEL) $(PROCMAN) $(MEMGR)
make -C kernel clean
make -C procman clean
make -C memgr clean
$(IMAGE): $(GRUBCFG) $(KERNEL)
$(IMAGE): $(GRUBCFG) $(KERNEL) $(PROCMAN) $(MEMGR)
grub-mkrescue $(ROOTFS) -o $@
$(KERNEL): kernel/tailix.multiboot2
cp $< $@
$(PROCMAN): procman/procman
cp $< $@
$(MEMGR): memgr/memgr
cp $< $@
kernel/tailix.multiboot2:
make -C kernel tailix.multiboot2
procman/procman:
make -C procman procman
memgr/memgr:
make -C memgr memgr

1
memgr/.gitignore vendored Normal file
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@ -0,0 +1 @@
/memgr

20
memgr/Makefile Normal file
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@ -0,0 +1,20 @@
CCPREFIX = i386-elftailix-
AS = $(CCPREFIX)as
CC = $(CCPREFIX)gcc
LD = $(CCPREFIX)ld
MEMGR = memgr
CFLAGS = -std=gnu99 -ffreestanding -nostdinc -fno-builtin -fno-stack-protector -Wall -Wextra
all: $(MEMGR)
clean:
rm -f $(MEMGR) start.o
$(MEMGR): start.o
$(LD) -o $@ -T linker.ld $^
start.o: start.c
$(CC) -c $< -o $@ $(CFLAGS)

29
memgr/linker.ld Normal file
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@ -0,0 +1,29 @@
OUTPUT_ARCH("i386")
OUTPUT_FORMAT("elf32-i386")
ENTRY(_start)
SECTIONS
{
. = 0x0;
.text BLOCK(4K) : ALIGN(4K)
{
*(.text)
}
.rodata BLOCK(4K) : ALIGN(4K)
{
*(.rodata)
}
.data BLOCK(4K) : ALIGN(4K)
{
*(.data)
}
.bss BLOCK(4K) : ALIGN(4K)
{
*(COMMON)
*(.bss)
}
}

8
memgr/start.c Normal file
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@ -0,0 +1,8 @@
void _start()
{
asm(
"mov $0, %eax \n\t"
"mov $0, %ebx \n\t"
"int $0x80 \n\t"
);
}

1
procman/.gitignore vendored Normal file
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@ -0,0 +1 @@
/procman

20
procman/Makefile Normal file
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@ -0,0 +1,20 @@
CCPREFIX = i386-elftailix-
AS = $(CCPREFIX)as
CC = $(CCPREFIX)gcc
LD = $(CCPREFIX)ld
PROCMAN = procman
CFLAGS = -std=gnu99 -ffreestanding -nostdinc -fno-builtin -fno-stack-protector -Wall -Wextra
all: $(PROCMAN)
clean:
rm -f $(PROCMAN) start.o
$(PROCMAN): start.o
$(LD) -o $@ -T linker.ld $^
start.o: start.c
$(CC) -c $< -o $@ $(CFLAGS)

29
procman/linker.ld Normal file
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@ -0,0 +1,29 @@
OUTPUT_ARCH("i386")
OUTPUT_FORMAT("elf32-i386")
ENTRY(_start)
SECTIONS
{
. = 0x0;
.text BLOCK(4K) : ALIGN(4K)
{
*(.text)
}
.rodata BLOCK(4K) : ALIGN(4K)
{
*(.rodata)
}
.data BLOCK(4K) : ALIGN(4K)
{
*(.data)
}
.bss BLOCK(4K) : ALIGN(4K)
{
*(COMMON)
*(.bss)
}
}

32
procman/start.c Normal file
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@ -0,0 +1,32 @@
void _start()
{
asm(
"mov $0, %eax \n\t"
"mov $0, %ebx \n\t"
"int $0x80 \n\t"
"mov $0, %eax \n\t"
"mov $1, %ebx \n\t"
"int $0x80 \n\t"
"mov $1, %eax \n\t"
"mov $0, %ebx \n\t"
"int $0x80 \n\t"
"mov $2, %eax \n\t"
"mov $0, %ebx \n\t"
"int $0x80 \n\t"
"mov $256, %eax \n\t"
"mov $0, %ebx \n\t"
"int $0x80 \n\t"
"mov $257, %eax \n\t"
"mov $0, %ebx \n\t"
"int $0x80 \n\t"
"mov $258, %eax \n\t"
"mov $0, %ebx \n\t"
"int $0x80 \n\t"
);
}

2
rootfs/boot/grub/grub.cfg
View file

@ -2,4 +2,6 @@ set timeout=0
menuentry "Tailix" {
multiboot2 /boot/tailix.multiboot2 hello kernel
module2 /boot/procman hello module
module2 /boot/memgr
}