GitHub
commit
b9ee8c3897
3
COPYING
3
COPYING
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@ -672,6 +672,3 @@ may consider it more useful to permit linking proprietary applications with
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the library. If this is what you want to do, use the GNU Lesser General
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Public License instead of this License. But first, please read
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<https://www.gnu.org/licenses/why-not-lgpl.html>.
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=======
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20
Makefile
20
Makefile
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@ -25,3 +25,23 @@ tests:
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make tests -f Makefile.out.2
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rm Makefile.out Makefile.out.2
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ASM=nasm
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ASMFLAGS=
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BOOTFLAGS=-f bin
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BOOTDIR=boot
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OBJDIR=build/obj
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BINDIR=build/bin
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boot.mbr.asm: $(BOOTDIR)/mbr.asm $(BOOTDIR)/mbr.inc
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$(ASM) $(BOOTFLAGS) $(BOOTDIR)/mbr.asm -o $(OBJDIR)/boot/mbr.bin
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boot.loader.asm: $(BOOTDIR)/loader.asm
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$(ASM) $(BOOTFLAGS) $(BOOTDIR)/loader.asm -o $(OBJDIR)/boot/loader.bin
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bootloader: boot.mbr.asm boot.loader.asm
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cp $(OBJDIR)/boot/mbr.bin $(BINDIR)/mbr.bin
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cp $(OBJDIR)/boot/loader.bin $(BINDIR)/loader.bin
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all: bootloader kernel
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16
Makefile.in
16
Makefile.in
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@ -22,10 +22,6 @@ CFLAGS=$(CFLAGS1) $(CFLAGS2) $(SFLAG)
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CC=$(CCNAME) $(COPTIM) $(CWARNS) $(CFLAGS) $(CINCLUDES)
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ASM=nasm
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ASMFLAGS=
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BOOTFLAGS=-f bin
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BINDIR=./build/bin
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OBJDIR=./build/obj
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@ -35,18 +31,6 @@ KERNDIR=kaleid/kernel
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SYSTDIR=kaleid/system
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LINXDIR=kaleid/common/test
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all: bootloader kernel
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boot.mbr.s: $(BOOTDIR)/mbr.s $(BOOTDIR)/mbr.inc
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$(ASM) $(BOOTFLAGS) $(BOOTDIR)/mbr.asm -o $(OBJDIR)/boot/mbr.bin
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boot.loader.s: $(BOOTDIR)/loader.s
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$(ASM) $(BOOTFLAGS) $(BOOTDIR)/loader.asm -o $(OBJDIR)/boot/loader.bin
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bootloader: boot.mbr.s boot.loader.s
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cp $(OBJDIR)/boot/mbr.bin $(BINDIR)/mbr.bin
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cp $(OBJDIR)/boot/loader.bin $(BINDIR)/loader.bin
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//----------------------------------------------------------------------------#
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// TESTING MAKEFILE
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@ -0,0 +1,103 @@
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# 1 "./Makefile.in"
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# 1 "<built-in>"
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# 1 "<command-line>"
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# 31 "<command-line>"
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# 1 "/usr/include/stdc-predef.h" 1 3 4
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# 32 "<command-line>" 2
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# 1 "./Makefile.in"
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# 11 "./Makefile.in"
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# 1 "./build/preproc.h" 1
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# 12 "./Makefile.in" 2
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CCNAME="/opt/cross-cc/bin/x86_64-elf-gcc"
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CC2NAME=gcc
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COPTIM=-O2
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CWARNS=-Wall -Wextra -Wshadow -Wpedantic
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CINCLUDES=-isystem./kaleid/include
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CFLAGS1=-std=gnu11 -nostdlib -ffreestanding -mcmodel=large
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CFLAGS2=-m64 -masm=intel -mno-red-zone -mno-mmx -mno-sse -mno-sse2
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CFLAGS=$(CFLAGS1) $(CFLAGS2) $(SFLAG)
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CC=$(CCNAME) $(COPTIM) $(CWARNS) $(CFLAGS) $(CINCLUDES)
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ASM=nasm
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ASMFLAGS=
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BOOTFLAGS=-f bin
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BINDIR=./build/bin
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OBJDIR=./build/obj
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BOOTDIR=boot
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COMMDIR=kaleid/common
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KERNDIR=kaleid/kernel
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SYSTDIR=kaleid/system
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LINXDIR=kaleid/common/test
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all: bootloader kernel
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boot.mbr.s: $(BOOTDIR)/mbr.s $(BOOTDIR)/mbr.inc
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$(ASM) $(BOOTFLAGS) $(BOOTDIR)/mbr.asm -o $(OBJDIR)/boot/mbr.bin
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boot.loader.s: $(BOOTDIR)/loader.s
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$(ASM) $(BOOTFLAGS) $(BOOTDIR)/loader.asm -o $(OBJDIR)/boot/loader.bin
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bootloader: boot.mbr.s boot.loader.s
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cp $(OBJDIR)/boot/mbr.bin $(BINDIR)/mbr.bin
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cp $(OBJDIR)/boot/loader.bin $(BINDIR)/loader.bin
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pseudo_kern:
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$(ASM) $(BOOTFLAGS) $(BOOTDIR)/pseudo_kernel.s -o $(OBJDIR)/boot/pkernel.bin
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testing: bootloader pseudo_kern
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cat $(BINDIR)/bootloader.bin $(OBJDIR)/boot/pkernel.bin > $(BINDIR)/boot.bin
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COBJDIR=$(OBJDIR)/$(COMMDIR)
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LOBJDIR=$(OBJDIR)/$(LINXDIR)
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COMMOBJS=$(COBJDIR)/string.o $(COBJDIR)/status.o $(COBJDIR)/rand.o $(COBJDIR)/memory.o $(COBJDIR)/arith.o $(COBJDIR)/strtol.o $(COBJDIR)/itoa.o $(COBJDIR)/ltoa.o $(COBJDIR)/utoa.o $(COBJDIR)/ultoa.o $(COBJDIR)/atoi.o $(COBJDIR)/atol.o $(COBJDIR)/atou.o $(COBJDIR)/atoul.o
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TCC=$(CC2NAME) $(COPTIM) $(CWARNS) $(CINCLUDES)
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KCC=$(CC) -T ./build/kernel.ld -D_OSK_SOURCE -D_KALEID_KERNEL
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comm-convert:
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$(KCC) -c $(COMMDIR)/itoa.c -o $(COBJDIR)/itoa.o -D_NEED_ITOA
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$(KCC) -c $(COMMDIR)/itoa.c -o $(COBJDIR)/ltoa.o -D_NEED_LTOA
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$(KCC) -c $(COMMDIR)/itoa.c -o $(COBJDIR)/utoa.o -D_NEED_UTOA
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$(KCC) -c $(COMMDIR)/itoa.c -o $(COBJDIR)/ultoa.o -D_NEED_ULTOA
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$(KCC) -c $(COMMDIR)/atoi.c -o $(COBJDIR)/atoi.o -D_NEED_ATOI
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$(KCC) -c $(COMMDIR)/atoi.c -o $(COBJDIR)/atol.o -D_NEED_ATOL
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$(KCC) -c $(COMMDIR)/atoi.c -o $(COBJDIR)/atou.o -D_NEED_ATOU
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$(KCC) -c $(COMMDIR)/atoi.c -o $(COBJDIR)/atoul.o -D_NEED_ATOUL
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common: comm-convert
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$(KCC) -c $(COMMDIR)/rand.c -o $(COBJDIR)/rand.o
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$(KCC) -c $(COMMDIR)/arith.c -o $(COBJDIR)/arith.o
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$(KCC) -c $(COMMDIR)/string.c -o $(COBJDIR)/string.o
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$(KCC) -c $(COMMDIR)/status.c -o $(COBJDIR)/status.o
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$(KCC) -c $(COMMDIR)/memory.c -o $(COBJDIR)/memory.o
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$(KCC) -c $(COMMDIR)/strtol.c -o $(COBJDIR)/strtol.o
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tests: common
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$(TCC) -c $(LINXDIR)/test-common.c -o $(LOBJDIR)/test-common.o
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$(TCC) $(COMMOBJS) $(LOBJDIR)/test-common.o -o $(BINDIR)/kaleid-common.elf
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KOBJDIR=$(OBJDIR)/$(KERNDIR)
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KERNOBJS=$(KOBJDIR)/init/init.o $(KOBJDIR)/init/table.o $(KOBJDIR)/ke/panic.o $(KOBJDIR)/ke/terminal.o
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kernel: common
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$(KCC) -c $(KERNDIR)/init/init.c -o $(KOBJDIR)/init/init.o
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$(KCC) -c $(KERNDIR)/init/table.c -o $(KOBJDIR)/init/table.o
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$(KCC) -c $(KERNDIR)/ke/panic.c -o $(KOBJDIR)/ke/panic.o
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$(KCC) -c $(KERNDIR)/ke/terminal.c -o $(KOBJDIR)/ke/terminal.o
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$(KCC) $(CLDSCR) $(COMMOBJS) $(KERNOBJS) -o $(BINDIR)/kaleid-kernel.elf
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@ -60,8 +60,6 @@ src/
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| |
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| + kernel/
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| | |
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| | - kernel.ld
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| | |
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| | + init/
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| | | |
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| | | - init.c
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@ -99,6 +97,8 @@ src/
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| |
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| - preproc.h
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| - iddtool.h
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| |
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| - kernel.ld
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| |
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| + bin/
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| + obj/
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@ -1,6 +1,7 @@
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# GNU-GPL OS/K (OS on Kaleid)
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### Fully open-source operating system from scratch (WIP), released under the GNU GPL version 3.0
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#### Master Branch
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For the project plan, see [OS/K Project](https://github.com/orgs/os-k-team/projects/1)
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@ -0,0 +1,10 @@
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//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Authors: spectral` //
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// NeoX //
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// //
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// Desc: ELF64 Parser and Loader //
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//----------------------------------------------------------------------------//
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//STUB
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134
boot/loader.asm
134
boot/loader.asm
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@ -33,6 +33,8 @@
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%define volumeLabel bp+0x2b ; Volume Label
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%define fatTypeLabel bp+0x36 ; File system type
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[BITS 16]
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[ORG 0x1000]
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@ -41,24 +43,19 @@ mov ds, ax ; hm... And ds too
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mov es, ax ; And es because it is jealous
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mov [Bootdrv], dl
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xor dl, dl
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jmp 0x0000:main
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;; DATA
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Bootdrv db 0
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VGA_HEIGHT dq 0
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VIDEO_MODE dw 0
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;; GDT WITH DOC
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GDT64:
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NULL_SELECTOR: ;; null selector within 64 bits
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dw GDT_LENGTH ; limit of GDT
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dw GDT64 ; linear address of GDT
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dd 0x0 ;
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dw GDT_LENGTH ; limit of GDT
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dw GDT64 ; linear address of GDT
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dd 0x0 ;
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CODE_SELECTOR: ;; 32-bit code selector (ring 0)
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dw 0x0FFFF ; Segment Limit
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db 0x0, 0x0, 0x0 ; Base Address
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dw 0x0000FFFF ; Segment Limit
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db 0x0, 0x0, 0x0 ; Base Address
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db 10011010b ; |7|6|5|4|3|2|1|0|
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; | | | | | | | `----- 1 when segment used.
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; | | | | | | `------ 1 when writable.
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@ -68,7 +65,7 @@ GDT64:
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; | | `---------- DPL !!! 0 for ring 0
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; | `----------- DPL (2/2)
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; `------------ 1 if in physical memory, 0 if page fault
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db 11001111b ; |7|6|5|4|3|2|1|0|
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db 11001111b ; |7|6|5|4|3|2|1|0|
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; | | | | | | | `----- Limit 16
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; | | | | | | `------ Limit 17
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; | | | | | `------- Limit 18
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@ -77,11 +74,11 @@ GDT64:
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; | | `---------- 0 always
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; | `----------- size of data. 1 for 32bits
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; `------------ 0 if limit is in Bytes, 1 if it's in pages (4ko)
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db 0x0 ; Base Address
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db 0x0 ; Base Address
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DATA_SELECTOR: ;; flat data selector (ring 0)
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dw 0x0FFFF ; Segment Limit
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db 0x0, 0x0, 0x0 ; Base Address
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dw 0x0000FFFF ; Segment Limit
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db 0x0, 0x0, 0x0 ; Base Address
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db 10010010b ; |7|6|5|4|3|2|1|0|
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; | | | | | | | `----- 1 when segment used.
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; | | | | | | `------ 1 when writable.
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@ -91,7 +88,7 @@ GDT64:
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; | | `---------- DPL !!! 0 for ring 0
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; | `----------- DPL (2/2)
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; `------------ 1 if in physical memory, 0 if page fault
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db 10001111b ; |7|6|5|4|3|2|1|0|
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db 10001111b ; |7|6|5|4|3|2|1|0|
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; | | | | | | | `----- Limit 16
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; | | | | | | `------ Limit 17
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; | | | | | `------- Limit 18
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@ -100,11 +97,11 @@ GDT64:
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; | | `---------- 0 always
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; | `----------- size of data. 1 for 32bits
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; `------------ 0 if limit is in Bytes, 1 if it's in pages (4ko)
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db 0x0 ; Base Address
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db 0x0 ; Base Address
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LONG_SELECTOR: ;; 64-bit code selector (ring 0)
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dw 0x0FFFF ; Segment Limit
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db 0x0, 0x0, 0x0 ; Base Address
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dw 0x0000FFFF ; Segment Limit
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db 0x0, 0x0, 0x0 ; Base Address
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db 10011010b ; |7|6|5|4|3|2|1|0|
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; | | | | | | | `----- 1 when segment used.
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; | | | | | | `------ 1 when writable.
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@ -114,7 +111,7 @@ GDT64:
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; | | `---------- DPL !!! 0 for ring 0
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; | `----------- DPL (2/2)
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; `------------ 1 if in physical memory, 0 if page fault
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db 10101111b ; |7|6|5|4|3|2|1|0|
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db 10101111b ; |7|6|5|4|3|2|1|0|
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; | | | | | | | `----- Limit 16
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; | | | | | | `------ Limit 17
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; | | | | | `------- Limit 18
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@ -123,13 +120,15 @@ GDT64:
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; | | `---------- 0 always
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; | `----------- size of data. 1 for 32bits
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; `------------ 0 if limit is in Bytes, 1 if it's in pages (4ko)
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db 0x0 ; Base Address
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db 0x0 ; Base Address
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GDT_LENGTH:
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%include "boot/loader16.inc"
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main:
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;; compatibility check
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push si
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mov si, Init
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call PrintB
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pop si
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@ -138,8 +137,10 @@ main:
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push si
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mov si, Pass
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call PrintB
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pop si
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;; Enabling A20
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push si
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mov si, EnA20
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call PrintB
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pop si
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@ -149,11 +150,12 @@ main:
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push si
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mov si, Pass
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call PrintB
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pop si
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;; DISABLING CURSOR BLINKING AND GETTING INFOS
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call get_dimensions
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call disable_cursor
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;;GO GDT64
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cli ; disable interrupts
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lgdt [GDT64]
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@ -172,15 +174,35 @@ main:
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push dword [VIDEO_MODE]
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push dword [VGA_HEIGHT]
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jmp (CODE_SELECTOR-GDT64):main32
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ErrorNo64:
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mov si, NoLongMode
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call PrintB
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Die:
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cli
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hlt ; die nooooow
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jmp 0xF000:0xFFF0
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[BITS 32]
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VIDEO_MODE32 dw 0
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VGA_HEIGHT32 dw 0
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main32:
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pop dword [VGA_HEIGHT32]
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pop dword [VIDEO_MODE32]
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;; VERIFY A20
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pushad
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mov edi,0x112345 ;odd megabyte address.
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mov esi,0x012345 ;even megabyte address.
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mov [esi],esi ;making sure that both addresses contain diffrent values.
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mov [edi],edi ;(if A20 line is cleared the two pointers would point to the address 0x012345 that would contain 0x112345 (edi))
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cmpsd ;compare addresses to see if the're equivalent.
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popad
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jne .A20_on ;if not equivalent , A20 line is set.
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mov WORD [A20_OK], 0
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jmp .A20_end
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.A20_on:
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mov BYTE [A20_OK], 1
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.A20_end:
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;; INITIALIZE PROTECTED MODE SEGMENT REGISTERS
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mov ax, DATA_SELECTOR-GDT64
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mov ds, ax
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@ -239,18 +261,33 @@ main32:
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%include "boot/loader64.inc"
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;; DATA
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txt db 0x09, " Switching to Long Mode... ", 0
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Init db "Booting OS/K !", 0x0D, 0x0A, 0x0D, 0x0A, 0x09, " Checking CPUID...",0
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Reinit db "Booting OS/K !", 0x0D, 0x0A, 0x0D, 0x0A, 0
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CPUIDD db 0x09, " Checking CPUID...", 0
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EnA20 db 0x09, " Enabling A20 line...", 0
|
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NoLongMode db 0x0A, 0x0D, "ERROR : Your computer is not designed for x64 OS", 0
|
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ReadAttempt db 0x09, " Attempt to read a sector with ATA commands...", 0x0A, 0x0D, 0x0A, 0x0D,0
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txt db 0x09, " Switching to Long Mode... ", 0
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Reinit db "Booting OS/K !", 0x0D, 0x0A, 0x0D, 0x0A, 0
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Pass db " OK", 0x0A, 0x0D, 0
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Fail db " FAIL!", 0x0A, 0x0D, 0
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msg db "The system is now in x64 mode. Is this not beautiful ?", 0x0A, 0x0D, 0
|
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|
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NoLongMode db 0x0A, 0x0D, "ERROR : Your computer is not designed for x64 OS", 0
|
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FileNotFound db "Second Stage Error : The Kernel was not found.", 0x0A, 0x0D, 0
|
||||
DiskError db "Second Stage Error : The Disk has crashed.", 0x0A, 0x0D, 0
|
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|
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filename db "KERNEL BIN"
|
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|
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Bootdrv db 0
|
||||
UserData dw 0
|
||||
VGA_HEIGHT dq 0
|
||||
VIDEO_MODE dw 0
|
||||
VIDEO_MODE32 dw 0
|
||||
VGA_HEIGHT32 dw 0
|
||||
NextTRAM dq 0x0B8000 ; Last position of cursor
|
||||
VIDEO_MODE64 dq 0
|
||||
VGA_HEIGHT64 dq 0
|
||||
VGA_X dq 0x0
|
||||
msg db "The system is now in x64 mode. Is this not beautiful ?", 0x0A, 0x0D, 0
|
||||
VGA_X dq 0
|
||||
A20_OK db 0
|
||||
|
||||
main64:
|
||||
pop qword [VGA_HEIGHT64]
|
||||
|
|
@ -277,10 +314,17 @@ main64:
|
|||
mov esi, EnA20
|
||||
call write
|
||||
|
||||
cmp BYTE [A20_OK], 1
|
||||
je .A20Success
|
||||
mov bl, 0x0C
|
||||
mov esi, Fail
|
||||
call write
|
||||
jmp Die
|
||||
.A20Success:
|
||||
mov bl, 0x0A
|
||||
mov esi, Pass
|
||||
call write
|
||||
|
||||
|
||||
mov bl, 0x0F
|
||||
mov esi, txt
|
||||
call write
|
||||
|
|
@ -292,14 +336,22 @@ main64:
|
|||
mov bl, 0x0D
|
||||
mov esi, msg
|
||||
call write
|
||||
|
||||
|
||||
mov bl, 0x0F
|
||||
mov esi, ReadAttempt
|
||||
call write
|
||||
|
||||
mov rcx, 2
|
||||
.looping:
|
||||
nop
|
||||
nop
|
||||
nop
|
||||
loop .looping ; Temporized because the ATA drive must be ready
|
||||
|
||||
call ata_read
|
||||
|
||||
jmp Die
|
||||
|
||||
[BITS 16]
|
||||
ErrorNo64:
|
||||
mov si, NoLongMode
|
||||
call PrintB
|
||||
Die:
|
||||
cli
|
||||
hlt ; die nooooow
|
||||
jmp 0xF000:0xFFF0
|
||||
|
||||
; times 1024 nop
|
||||
; XXX ;
|
||||
; It seems impossible to have an executable > 2.0 kB...
|
||||
|
|
|
|||
|
|
@ -71,6 +71,129 @@ write:
|
|||
pop rax
|
||||
jmp .pLoop
|
||||
.scroll:
|
||||
; XXX ;
|
||||
; XXX I don't think I'll implement this, but never know...;
|
||||
jmp .pLoop
|
||||
|
||||
dump:
|
||||
;-----------------------------------------------------------------------;
|
||||
; x64/LM Dump Printing Functions ;
|
||||
; bl : color code ;
|
||||
; esi : string address ;
|
||||
;-----------------------------------------------------------------------;
|
||||
mov edi, [NextTRAM] ; TRAM ADDRESS
|
||||
push rsi
|
||||
push rdi
|
||||
push rcx
|
||||
mov rcx, 512
|
||||
.pLoop:
|
||||
lodsb
|
||||
stosb ; text subpixel
|
||||
mov al, bl
|
||||
stosb ; color subpixel
|
||||
add qword [NextTRAM], 0x2 ; Cursor moving
|
||||
add qword [VGA_X], 0x2 ; coord + 2 because 2 subpixels
|
||||
loop .pLoop
|
||||
pop rcx
|
||||
pop rdi
|
||||
pop rsi
|
||||
ret
|
||||
|
||||
ata_read:
|
||||
;-----------------------------------------------------------------------;
|
||||
; x64/LM ATA Reading function ;
|
||||
; ;
|
||||
; ;
|
||||
;-----------------------------------------------------------------------;
|
||||
|
||||
; Technical infos about the ports (Intel Doc):
|
||||
;
|
||||
; Port Access Mode Misc
|
||||
;
|
||||
; 1f0 r/w Data register, the bytes of the disk itself
|
||||
; 1f1 r Error register that can be handled
|
||||
; 1f2 r/w Sector count, how many sectors to read
|
||||
; 1f3 r/w Sector number, the actual sector wanted
|
||||
; 1f4 r/w Cylinder low, cylinders is 0-1024
|
||||
; 1f5 r/w Cylinder high, this makes up the rest of the 1024
|
||||
; 1f6 r/w Drive/head
|
||||
; bit 7 = 1
|
||||
; bit 6 = 0
|
||||
; bit 5 = 1
|
||||
; bit 4 = 0 drive 0 select
|
||||
; = 1 drive 1 select
|
||||
; bit 3-0 head select bits
|
||||
; 1f7 r Status register
|
||||
; bit 7 = 1 controller is executing a command
|
||||
; bit 6 = 1 drive is ready
|
||||
; bit 5 = 1 write fault
|
||||
; bit 4 = 1 seek complete
|
||||
; bit 3 = 1 sector buffer requires servicing
|
||||
; bit 2 = 1 disk data read corrected
|
||||
; bit 1 = 1 index - set to 1 each revolution
|
||||
; bit 0 = 1 previous command ended in an error
|
||||
; 1f7 w Command register
|
||||
; commands:
|
||||
; 50h format track
|
||||
; 20h read sectors with retry
|
||||
; 21h read sectors without retry
|
||||
; 22h read long with retry
|
||||
; 23h read long without retry
|
||||
; 30h write sectors with retry
|
||||
; 31h write sectors without retry
|
||||
; 32h write long with retry
|
||||
; 33h write long without retry
|
||||
;
|
||||
|
||||
push rax
|
||||
push rbx
|
||||
push rdx
|
||||
push rcx
|
||||
push rdi
|
||||
mov dx,1f6h ;Drive and head port
|
||||
mov al,0a0h ;Drive 0, head 0
|
||||
out dx,al
|
||||
|
||||
mov dx,1f2h ;Sector count port
|
||||
mov al,1 ;Read one sector
|
||||
out dx,al
|
||||
|
||||
mov dx,1f3h ;Sector number port
|
||||
mov al,1 ;Read sector one
|
||||
out dx,al
|
||||
|
||||
mov dx,1f4h ;Cylinder low port
|
||||
mov al,0 ;Cylinder 0
|
||||
out dx,al
|
||||
|
||||
mov dx,1f5h ;Cylinder high port
|
||||
mov al,0 ;The rest of the cylinder 0
|
||||
out dx,al
|
||||
|
||||
mov dx,1f7h ;Command port
|
||||
mov al,20h ;Read with retry.
|
||||
out dx,al
|
||||
still_going:
|
||||
in al,dx
|
||||
test al,8 ;This means the sector buffer requires
|
||||
;servicing.
|
||||
jz still_going ;Don't continue until the sector buffer
|
||||
;is ready.
|
||||
|
||||
mov cx,512/2 ;One sector /2
|
||||
mov rdi,buffer
|
||||
mov dx,1f0h ;Data port - data comes in and out of here.
|
||||
rep insw
|
||||
pop rdi
|
||||
pop rcx
|
||||
pop rdx
|
||||
pop rbx
|
||||
pop rax
|
||||
mov bl, 0x0F
|
||||
mov esi, buffer
|
||||
call dump
|
||||
mov bl, 0x0A
|
||||
mov esi, end
|
||||
call write
|
||||
ret
|
||||
buffer: times 512 db "_"
|
||||
end: db "[End of Sector]", 0x0
|
||||
|
|
|
|||
|
|
@ -7,6 +7,7 @@
|
|||
; Desc: Bootsector for OS/K INCLUDED FUNCTIONS ;
|
||||
; (x86_64 architecture only) ;
|
||||
;=----------------------------------------------------------------------------=;
|
||||
[BITS 16]
|
||||
|
||||
read_clusters:
|
||||
;---------------------------------------------------;
|
||||
|
|
@ -100,7 +101,7 @@ read_sectors:
|
|||
shl ah, 1
|
||||
or cl, ah ; Now cx is set with respective track and sector numbers
|
||||
mov dl, byte [Bootdrv] ; Set correct Bootdrv for int 13h
|
||||
mov di, 5 ; Try five times to read the sector because i love 5
|
||||
mov di, 21 ; Try five times to read the sector because i love 21
|
||||
.attempt_read:
|
||||
mov ax, 0x0201 ; Read Sectors func of int 13h, read one sector
|
||||
int 0x13 ; Call int 13h (BIOS disk I/O)
|
||||
|
|
|
|||
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
|
|
@ -15,9 +15,9 @@
|
|||
//
|
||||
#define _ATOI_IMPL(_Name, _Type, _Func) \
|
||||
_Type _Name(const char *str) { \
|
||||
error_t old = errno; \
|
||||
__get_errno(old); \
|
||||
_Type ret = (_Type)_Func(str, NULL, 0); \
|
||||
errno = old; \
|
||||
__set_errno(old); \
|
||||
return ret; \
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@
|
|||
|
||||
#include <kaleid.h>
|
||||
|
||||
error_t errno = 0;
|
||||
error_t __errno = 0;
|
||||
|
||||
/*
|
||||
static const char *descriptions[] = {
|
||||
|
|
@ -17,7 +17,7 @@ static const char *descriptions[] = {
|
|||
[-FAILED] = "Failed (no precision)",
|
||||
[-NOT_PERMITTED] = "Operation not permitted",
|
||||
[-ACCESS_DENIED] = "Access denied",
|
||||
|
||||
|
||||
[-BAD_ARGUMENT] = "Bad argument",
|
||||
[-BAD_ARG_RANGE] = "Bad argument (not in range)",
|
||||
[-BAD_ARG_NULL] = "Bad argument (null pointer)",
|
||||
|
|
|
|||
|
|
@ -13,7 +13,7 @@ long strtol(const char *str, char **endp, int base) {
|
|||
(void)str;
|
||||
(void)endp;
|
||||
(void)base;
|
||||
errno = ENOSYS;
|
||||
__set_errno(ENOSYS);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -21,7 +21,7 @@ ulong strtoul(const char *str, char **endp, int base) {
|
|||
(void)str;
|
||||
(void)endp;
|
||||
(void)base;
|
||||
errno = ENOSYS;
|
||||
__set_errno(ENOSYS);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -43,7 +43,24 @@ typedef struct { long quot, rem; } ldiv_t;
|
|||
// Global variables //
|
||||
//------------------------------------------//
|
||||
|
||||
extern error_t errno;
|
||||
#ifndef _KALEID_KERNEL
|
||||
|
||||
extern error_t __errno;
|
||||
|
||||
#ifndef errno
|
||||
#define errno __errno
|
||||
#endif
|
||||
|
||||
#define __get_errno(x) error_t x = errno;
|
||||
#define __set_errno(x) (errno = (x))
|
||||
|
||||
#else
|
||||
|
||||
#define errno
|
||||
#define __get_errno(x)
|
||||
#define __set_errno(x)
|
||||
|
||||
#endif
|
||||
|
||||
//------------------------------------------//
|
||||
// Macros //
|
||||
|
|
|
|||
|
|
@ -184,7 +184,8 @@ void WriteByteOnPort(port_t port, port_t val)
|
|||
static inline
|
||||
uchar ReadByteFromPort(port_t port)
|
||||
{
|
||||
errno = ENOSYS;
|
||||
|
||||
KalAssert(FALSE && ENOSYS);
|
||||
(void)port;
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -192,7 +193,7 @@ uchar ReadByteFromPort(port_t port)
|
|||
static inline
|
||||
ushort ReadWordFromPort(port_t port)
|
||||
{
|
||||
errno = ENOSYS;
|
||||
KalAssert(FALSE && ENOSYS);
|
||||
(void)port;
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue