os-k-team/os-k
os-k-team
/
os-k
2
0
Fork 0
Code Issues 1 Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #50 from os-k-team/cpu&memory 

Cpu&memory
This commit is contained in:
Adrien Bourmault 2019-03-23 00:07:36 +01:00 committed by GitHub
parent 24c25e5185 75262f81ee
commit 48d700438c
18 changed files with 348 additions and 304 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
Makefile
View File

@ -71,55 +71,55 @@ kal_com_obj= $(KOBJDIR)/atoi.o $(KOBJDIR)/ctype.o \
$(KOBJDIR)/utoa.o $(KOBJDIR)/ltoa.o \ $(KOBJDIR)/utoa.o $(KOBJDIR)/ltoa.o \
$(KOBJDIR)/ultoa.o $(KOBJDIR)/ultoa.o
$(KOBJDIR)/atoi.o: $(KERNELDIR)/crtlib/atoi.c $(KOBJDIR)/atoi.o: $(KERNELDIR)/crtlib/atoi.c $(KERNELDIR)/include/*/*.h
@$(KCC) -D_NEED_ATOI $< -o $@ @$(KCC) -D_NEED_ATOI $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/atol.o: $(KERNELDIR)/crtlib/atoi.c $(KOBJDIR)/atol.o: $(KERNELDIR)/crtlib/atoi.c $(KERNELDIR)/include/*/*.h
@$(KCC) -D_NEED_ATOL $< -o $@ @$(KCC) -D_NEED_ATOL $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/atou.o: $(KERNELDIR)/crtlib/atoi.c $(KOBJDIR)/atou.o: $(KERNELDIR)/crtlib/atoi.c $(KERNELDIR)/include/*/*.h
@$(KCC) -D_NEED_ATOU $< -o $@ @$(KCC) -D_NEED_ATOU $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/atoul.o: $(KERNELDIR)/crtlib/atoi.c $(KOBJDIR)/atoul.o: $(KERNELDIR)/crtlib/atoi.c $(KERNELDIR)/include/*/*.h
@$(KCC) -D_NEED_ATOUL $< -o $@ @$(KCC) -D_NEED_ATOUL $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/ctype.o: $(KERNELDIR)/crtlib/ctype.c $(KOBJDIR)/ctype.o: $(KERNELDIR)/crtlib/ctype.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/itoa.o: $(KERNELDIR)/crtlib/itoa.c $(KOBJDIR)/itoa.o: $(KERNELDIR)/crtlib/itoa.c $(KERNELDIR)/include/*/*.h
@$(KCC) -D_NEED_ITOA $< -o $@ @$(KCC) -D_NEED_ITOA $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/ltoa.o: $(KERNELDIR)/crtlib/itoa.c $(KOBJDIR)/ltoa.o: $(KERNELDIR)/crtlib/itoa.c $(KERNELDIR)/include/*/*.h
@$(KCC) -D_NEED_LTOA $< -o $@ @$(KCC) -D_NEED_LTOA $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/utoa.o: $(KERNELDIR)/crtlib/itoa.c $(KOBJDIR)/utoa.o: $(KERNELDIR)/crtlib/itoa.c $(KERNELDIR)/include/*/*.h
@$(KCC) -D_NEED_UTOA $< -o $@ @$(KCC) -D_NEED_UTOA $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/ultoa.o: $(KERNELDIR)/crtlib/itoa.c $(KOBJDIR)/ultoa.o: $(KERNELDIR)/crtlib/itoa.c $(KERNELDIR)/include/*/*.h
@$(KCC) -D_NEED_ULTOA $< -o $@ @$(KCC) -D_NEED_ULTOA $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/mem.o: $(KERNELDIR)/crtlib/mem.c $(KOBJDIR)/mem.o: $(KERNELDIR)/crtlib/mem.c $(KERNELDIR)/include/*/*.h
@$(KCC) -fno-strict-aliasing $< -o $@ @$(KCC) -fno-strict-aliasing $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/rand.o: $(KERNELDIR)/crtlib/rand.c $(KOBJDIR)/rand.o: $(KERNELDIR)/crtlib/rand.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/sprintf.o: $(KERNELDIR)/crtlib/sprintf.c $(KOBJDIR)/sprintf.o: $(KERNELDIR)/crtlib/sprintf.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/status.o: $(KERNELDIR)/crtlib/status.c $(KOBJDIR)/status.o: $(KERNELDIR)/crtlib/status.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/string.o: $(KERNELDIR)/crtlib/string.c $(KOBJDIR)/string.o: $(KERNELDIR)/crtlib/string.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/strtol.o: $(KERNELDIR)/crtlib/strtol.c $(KOBJDIR)/strtol.o: $(KERNELDIR)/crtlib/strtol.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/argv.o: $(KERNELDIR)/extras/argv.c $(KOBJDIR)/argv.o: $(KERNELDIR)/extras/argv.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/prog.o: $(KERNELDIR)/extras/prog.c $(KOBJDIR)/prog.o: $(KERNELDIR)/extras/prog.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
@ -130,34 +130,34 @@ kal_kern_obj= $(KOBJDIR)/kernel/cpuid.o $(KOBJDIR)/kernel/init.o \
$(KOBJDIR)/kernel/panic.o $(KOBJDIR)/kernel/map.o \ $(KOBJDIR)/kernel/panic.o $(KOBJDIR)/kernel/map.o \
$(KOBJDIR)/kernel/heap.o $(KOBJDIR)/kernel/malloc.o $(KOBJDIR)/kernel/heap.o $(KOBJDIR)/kernel/malloc.o
$(KOBJDIR)/kernel/cpuid.o: $(KERNELDIR)/kernel/cpu/cpuid.c $(KOBJDIR)/kernel/cpuid.o: $(KERNELDIR)/kernel/cpu/cpuid.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/kernel/init.o: $(KERNELDIR)/kernel/init/init.c $(KOBJDIR)/kernel/init.o: $(KERNELDIR)/kernel/init/init.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/kernel/table.o: $(KERNELDIR)/kernel/init/table.c $(KOBJDIR)/kernel/table.o: $(KERNELDIR)/kernel/init/table.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/kernel/cursor.o: $(KERNELDIR)/kernel/io/cursor.c $(KOBJDIR)/kernel/cursor.o: $(KERNELDIR)/kernel/io/cursor.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/kernel/term.o: $(KERNELDIR)/kernel/io/term.c $(KOBJDIR)/kernel/term.o: $(KERNELDIR)/kernel/io/term.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/kernel/vga.o: $(KERNELDIR)/kernel/io/vga.c $(KOBJDIR)/kernel/vga.o: $(KERNELDIR)/kernel/io/vga.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/kernel/panic.o: $(KERNELDIR)/kernel/ke/panic.c $(KOBJDIR)/kernel/panic.o: $(KERNELDIR)/kernel/ke/panic.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/kernel/map.o: $(KERNELDIR)/kernel/mm/map.c $(KOBJDIR)/kernel/map.o: $(KERNELDIR)/kernel/mm/map.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/kernel/heap.o: $(KERNELDIR)/kernel/mm/heap.c $(KOBJDIR)/kernel/heap.o: $(KERNELDIR)/kernel/mm/heap.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
$(KOBJDIR)/kernel/malloc.o: $(KERNELDIR)/kernel/mm/malloc.c $(KOBJDIR)/kernel/malloc.o: $(KERNELDIR)/kernel/mm/malloc.c $(KERNELDIR)/include/*/*.h
@$(KCC) $< -o $@ @$(KCC) $< -o $@
@echo ${CL2}[$@] ${CL}Compiled.${CL3} @echo ${CL2}[$@] ${CL}Compiled.${CL3}
@ -165,13 +165,13 @@ $(KOBJDIR)/kernel/malloc.o: $(KERNELDIR)/kernel/mm/malloc.c
./ProjectTree: ./.stylehlp_sh ./ProjectTree: ./.stylehlp_sh
@cat ./.stylehlp_sh > ./ProjectTree @cat ./.stylehlp_sh > ./ProjectTree
@echo "\n" >> ./ProjectTree @echo "\n" >> ./ProjectTree
@tree >> ./ProjectTree @tree --dirsfirst >> ./ProjectTree
@echo ${CL2}[$@] ${CL}Generated.${CL3} @echo ${CL2}[$@] ${CL}Generated.${CL3}
## MAIN MAKEFILE ------------------------------------------------------------- # ## MAIN MAKEFILE ------------------------------------------------------------- #
.PHONY: test .PHONY: test
test: all test: all
@qemu-system-x86_64 -hda build/bin/disk.img -d cpu_reset,guest_errors,pcall,int -enable-kvm 2> qemu.log & @qemu-system-x86_64 -m 5G -hda build/bin/disk.img -d cpu_reset,guest_errors,pcall,int -enable-kvm 2> qemu.log &
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > loader_disasm64.asm @ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > loader_disasm64.asm
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > loader_disasm32.asm @ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > loader_disasm32.asm
.PHONY: test32 .PHONY: test32
@ -182,7 +182,7 @@ test32: all
.PHONY: debug .PHONY: debug
debug: all debug: all
@qemu-system-x86_64 -hda build/bin/disk.img -d cpu_reset,guest_errors,pcall,int -s -S -enable-kvm 2> qemu.log & @qemu-system-x86_64 -m 5G -hda build/bin/disk.img -d cpu_reset,guest_errors,pcall,int -s -S -enable-kvm 2> qemu.log &
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > loader_disasm64.asm @ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > loader_disasm64.asm
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > loader_disasm32.asm @ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > loader_disasm32.asm

140
ProjectTree
View File

@ -24,9 +24,7 @@
. .
├── AUTHORS
├── boot ├── boot
│   ├── folder.desc
│   ├── grub │   ├── grub
│   │   ├── create_disk.sh │   │   ├── create_disk.sh
│   │   ├── grub.cfg │   │   ├── grub.cfg
@ -34,69 +32,67 @@
│   │   ├── mount.sh │   │   ├── mount.sh
│   │   ├── multiboot.pdf │   │   ├── multiboot.pdf
│   │   └── umount.sh │   │   └── umount.sh
│   └── loader │   ├── loader
│   ├── cpu │   │   ├── cpu
│   │   ├── cpu32.inc │   │   │   ├── cpu32.inc
│   │   └── cpu.inc │   │   │   └── cpu.inc
│   ├── io │   │   ├── io
│   │   └── terminal.inc │   │   │   └── terminal.inc
│   ├── loader.asm │   │   ├── mem
│   ├── mem │   │   │   ├── management.inc
│   │   ├── management.inc │   │   │   └── structures.inc
│   │   └── structures.inc │   │   ├── multiboot
│   └── multiboot │   │   │   ├── check.inc
│   ├── check.inc │   │   │   └── header.inc
│   └── header.inc │   │   └── loader.asm
│   └── folder.desc
├── build ├── build
│   ├── bin │   ├── bin
│   │   ├── disk.img │   │   ├── disk.img
│   │   └── kaleid │   │   └── kaleid
│   ├── kernel.ld │   ├── obj
│   └── obj │   │   ├── boot
│   ├── boot │   │   │   ├── kaleid.x86_64
│   │   ├── kaleid.x86_64 │   │   │   └── loader.o
│   │   └── loader.o │   │   └── kaleid
│   └── kaleid │   │   ├── kernel
│   ├── argv.o │   │   │   ├── init
│   ├── atoi.o │   │   │   │   ├── init.o
│   ├── atol.o │   │   │   │   └── table.o
│   ├── atoul.o │   │   │   ├── io
│   ├── atou.o │   │   │   │   ├── cursor.o
│   ├── ctype.o │   │   │   │   ├── term.o
│   ├── itoa.o │   │   │   │   └── vga.o
│   ├── kernel │   │   │   ├── ke
│   │   ├── cpuid.o │   │   │   │   └── panic.o
│   │   ├── cursor.o │   │   │   ├── cpuid.o
│   │   ├── heap.o
│   │   ├── init
│   │   │   ├── init.o
│   │   │   └── table.o
│   │   ├── init.o
│   │   ├── io
│   │   │   ├── cursor.o │   │   │   ├── cursor.o
│   │   │   ├── heap.o
│   │   │   ├── init.o
│   │   │   ├── malloc.o
│   │   │   ├── map.o
│   │   │   ├── panic.o
│   │   │   ├── table.o
│   │   │   ├── term.o │   │   │   ├── term.o
│   │   │   └── vga.o │   │   │   └── vga.o
│   │   ├── ke │   │   ├── argv.o
│   │   │   └── panic.o │   │   ├── atoi.o
│   │   ├── malloc.o │   │   ├── atol.o
│   │   ├── map.o │   │   ├── atoul.o
│   │   ├── panic.o │   │   ├── atou.o
│   │   ├── table.o │   │   ├── ctype.o
│   │   ├── term.o │   │   ├── itoa.o
│   │   └── vga.o │   │   ├── ltoa.o
│   ├── ltoa.o │   │   ├── mem.o
│   ├── mem.o │   │   ├── prog.o
│   ├── prog.o │   │   ├── rand.o
│   ├── rand.o │   │   ├── sprintf.o
│   ├── sprintf.o │   │   ├── status.o
│   ├── status.o │   │   ├── string.o
│   ├── string.o │   │   ├── strtol.o
│   ├── strtol.o │   │   ├── ultoa.o
│   ├── ultoa.o │   │   └── utoa.o
│   └── utoa.o │   └── kernel.ld
├── ChangeLog
├── COPYING
├── grub.log
├── kaleid ├── kaleid
│   ├── crtlib │   ├── crtlib
│   │   ├── atoi.c │   │   ├── atoi.c
@ -126,20 +122,20 @@
│   │   │   ├── locks.h │   │   │   ├── locks.h
│   │   │   ├── malloc.h │   │   │   ├── malloc.h
│   │   │   └── prog.h │   │   │   └── prog.h
│   │   ├── kernel
│   │   │   ├── base.h
│   │   │   ├── cpu.h
│   │   │   ├── heap.h
│   │   │   ├── iomisc.h
│   │   │   ├── mm.h
│   │   │   ├── multiboot.h
│   │   │   ├── panic.h
│   │   │   ├── proc.h
│   │   │   ├── sched.h
│   │   │   └── term.h
│   │   ├── kalbase.h │   │   ├── kalbase.h
│   │   ├── kaleid.h │   │   ├── kaleid.h
│   │   ├── kalext.h │   │   └── kalext.h
│   │   └── kernel
│   │   ├── base.h
│   │   ├── cpu.h
│   │   ├── heap.h
│   │   ├── iomisc.h
│   │   ├── mm.h
│   │   ├── multiboot.h
│   │   ├── panic.h
│   │   ├── proc.h
│   │   ├── sched.h
│   │   └── term.h
│   └── kernel │   └── kernel
│   ├── cpu │   ├── cpu
│   │   └── cpuid.c │   │   └── cpuid.c
@ -160,6 +156,10 @@
│   └── proc │   └── proc
│   ├── Makefile │   ├── Makefile
│   └── sched.c │   └── sched.c
├── AUTHORS
├── ChangeLog
├── COPYING
├── grub.log
├── loader_disasm32.asm ├── loader_disasm32.asm
├── loader_disasm64.asm ├── loader_disasm64.asm
├── Makefile ├── Makefile

20
boot/loader/loader.asm
View File

@ -44,6 +44,11 @@ MB_header:
dd MB_HEADER_MAGIC dd MB_HEADER_MAGIC
dd MB_HEADER_FLAGS dd MB_HEADER_FLAGS
dd CHECKSUM dd CHECKSUM
times 5 dd 0x0
dd MB_VIDEO_MODE
dd MB_VIDEO_WIDTH
dd MB_VIDEO_HEIGHT
dd MB_VIDEO_DEPTH
[section .text] [section .text]
@ -71,7 +76,7 @@ Error:
call write32 call write32
pop esi pop esi
jmp Die jmp Die
.ergo : db 219, 219, 219, " Error " .ergo : db 219, 219, 219, " OS/K Loader Error "
.code : db "00" .code : db "00"
db 0x0 db 0x0
; ---------------------------------------------------------------------------- ; ; ---------------------------------------------------------------------------- ;
@ -104,6 +109,12 @@ mbMagic dq 0
lbegin: lbegin:
call clear ; Clear the screen call clear ; Clear the screen
push esi ; Print the logo
mov bl, 0x0E
mov esi, LOGO
call write32
pop esi
;; BEGIN OF CHECKLIST ;; BEGIN OF CHECKLIST
call MB_check ; Check Multiboot State, ERR 01 call MB_check ; Check Multiboot State, ERR 01
@ -115,12 +126,6 @@ lbegin:
call Setup_paging ; Enable paging call Setup_paging ; Enable paging
call Go64 ; Prepare switch into long mode call Go64 ; Prepare switch into long mode
push esi ; Print the logo
mov bl, 0x0E
mov esi, LOGO
call write32
pop esi
;call disable_cursor ;call disable_cursor
lgdt [GDT64.pointer] lgdt [GDT64.pointer]
@ -154,6 +159,7 @@ _loader64:
call write call write
;; Launch the kernel ! ;; Launch the kernel !
;; XXX CHECK THE RAM BEFORE CALLING KERNEL !
call tritemporize ; Let time to see call tritemporize ; Let time to see
mov rdi, [mbInfo] mov rdi, [mbInfo]

7
boot/loader/multiboot/header.inc
View File

@ -27,8 +27,13 @@
MB_AOUT_KLUDGE equ 0 << 16 ; if we are not an ELF executable MB_AOUT_KLUDGE equ 0 << 16 ; if we are not an ELF executable
MB_ALIGN equ 1 << 0 ; Ask to align loaded modules on page boundaries MB_ALIGN equ 1 << 0 ; Ask to align loaded modules on page boundaries
MB_MEMINFO equ 1 << 1 ; Ask to provide memory map MB_MEMINFO equ 1 << 1 ; Ask to provide memory map
MB_VIDEOINFO equ 1 << 2 ; Ask to provide video infos
MB_VIDEO_MODE equ 0x1 ; Text mode
MB_VIDEO_WIDTH equ 80
MB_VIDEO_HEIGHT equ 24
MB_VIDEO_DEPTH equ 0x0
MB_HEADER_MAGIC equ 0x1badb002 MB_HEADER_MAGIC equ 0x1badb002
MB_GRUB_MAGIC equ 0x2badb002 MB_GRUB_MAGIC equ 0x2badb002
MB_HEADER_FLAGS equ MB_AOUT_KLUDGE|MB_ALIGN|MB_MEMINFO MB_HEADER_FLAGS equ MB_AOUT_KLUDGE|MB_ALIGN|MB_MEMINFO|MB_VIDEOINFO
CHECKSUM equ -(MB_HEADER_MAGIC + MB_HEADER_FLAGS) CHECKSUM equ -(MB_HEADER_MAGIC + MB_HEADER_FLAGS)
KERNEL_STACK equ 0x00200000 ; Stack starts at the 2mb address & grows down KERNEL_STACK equ 0x00200000 ; Stack starts at the 2mb address & grows down

12
kaleid/include/base/assert.h
View File

@ -77,23 +77,13 @@ noreturn void __assert_handler(const char *, const char *, int, const char *);
// When debugging // // When debugging //
//------------------------------------------// //------------------------------------------//
#if !defined(_NO_DEBUG) && !defined(NDEBUG) && !defined(KalAssert) #if /*!defined(_NO_DEBUG) && !defined(NDEBUG) &&*/ !defined(KalAssert)
// //
// Check whether (x) holds, if not call __assert_handler // Check whether (x) holds, if not call __assert_handler
// //
#define KalAssert KalAlwaysAssert #define KalAssert KalAlwaysAssert
#ifndef _OSK_SOURCE
// When not building for OS/K, use the system's assert
#include <assert.h>
#undef KalAlwaysAssert
#define KalAlwaysAssert assert
#endif
//------------------------------------------// //------------------------------------------//
// When not debugging // // When not debugging //
//------------------------------------------// //------------------------------------------//

16
kaleid/include/extras/locks.h
View File

@ -51,7 +51,7 @@ enum LockType_t
// Mutex-type lock // Mutex-type lock
// //
// WARNING // WARNING
// AquireLock() panics when used on a mutex while not running a process // AcquireLock() panics when used on a mutex while not running a process
KLOCK_MUTEX, KLOCK_MUTEX,
// Spinlock-type lock // Spinlock-type lock
@ -121,18 +121,18 @@ void DestroyLock(Lock_t *lock)
} }
// //
// Aquire the lock // Acquire the lock
// Panic on double aquisition since that should never happen // Panic on double acquisition since that should never happen
// until we have at least a basic scheduler // until we have at least a basic scheduler
// //
static inline static inline
void AquireLock(Lock_t *lock) void AcquireLock(Lock_t *lock)
{ {
KalAssert(lock->initDone == INITOK); KalAssert(lock->initDone == INITOK);
while (!__sync_bool_compare_and_swap(&lock->locked, 0, 1)) { while (!__sync_bool_compare_and_swap(&lock->locked, 0, 1)) {
#ifdef _KALEID_KERNEL #ifdef _KALEID_KERNEL
StartPanic("AquireLock on an already locked object"); StartPanic("AcquireLock on an already locked object");
#else #else
if likely (lock->type == KLOCK_SPINLOCK) continue; if likely (lock->type == KLOCK_SPINLOCK) continue;
#ifdef _OSK_SOURCE #ifdef _OSK_SOURCE
@ -146,8 +146,8 @@ void AquireLock(Lock_t *lock)
} }
// //
// Release an already aquired lock // Release an already acquired lock
// Panic if the lock was never aquired // Panic if the lock was never acquired
// //
static inline static inline
void ReleaseLock(Lock_t *lock) void ReleaseLock(Lock_t *lock)
@ -161,7 +161,7 @@ void ReleaseLock(Lock_t *lock)
} }
// //
// Tries to aquire lock // Tries to acquire lock
// //
static inline static inline
bool AttemptLock(Lock_t *lock) bool AttemptLock(Lock_t *lock)

17
kaleid/include/kernel/base.h
View File

@ -61,7 +61,6 @@ typedef enum TermColor_t TermColor_t;
// Get Process_t structure of current CPU // Get Process_t structure of current CPU
#define GetCurCPU() (cpuTable[_GetCurCPU()]) #define GetCurCPU() (cpuTable[_GetCurCPU()])
#define PANICSTR_SIZE 1024
//Get the BootInfo_t structure //Get the BootInfo_t structure
#define GetBootInfo(x) bootTab.x #define GetBootInfo(x) bootTab.x
@ -75,9 +74,6 @@ struct Processor_t
// CPU number, index in CPU list // CPU number, index in CPU list
int index; int index;
// Panic string
char panicStr[PANICSTR_SIZE];
// Number of ticks since boot time // Number of ticks since boot time
ulong ticks; ulong ticks;
@ -106,15 +102,18 @@ struct BootInfo_t
{ {
// The Bootloader infos (GRUB in our case) // The Bootloader infos (GRUB in our case)
struct { struct {
ushort valid;
uint grubFlags; //flags uint grubFlags; //flags
uint modulesCount; //mods_count uint modulesCount; //mods_count
void *modulesAddr; //mods_addr void *modulesAddr; //mods_addr
uint grubName; //boot_loader_name char *grubName; //boot_loader_name
void *mbHeaderAddr; void *mbHeaderAddr;
} btldr; } btldr;
// Informations about drives // Informations about drives
struct { struct {
ushort drvValid;
ushort bufferValid;
uint bootDrv; //boot_device uint bootDrv; //boot_device
uint bufferLength; //drives_length uint bufferLength; //drives_length
void *bufferAddr; //drives_addr void *bufferAddr; //drives_addr
@ -122,6 +121,9 @@ struct BootInfo_t
// Informations about memory // Informations about memory
struct { struct {
ushort memValid;
ushort mapValid;
//BIOS provided low and up memory //BIOS provided low and up memory
uint lowMemory; //mem_lower uint lowMemory; //mem_lower
uint upMemory; //mem_upper uint upMemory; //mem_upper
@ -129,10 +131,13 @@ struct BootInfo_t
//GRUB provided memory map //GRUB provided memory map
uint mapLength; //mmap_length uint mapLength; //mmap_length
void *mapAddr; //mmap_addr void *mapAddr; //mmap_addr
uint ramSize; //The ram (init by map.c)
} memory; } memory;
// Informations about the video drive // Informations about the video drive
struct { struct {
ushort valid;
uint vbeControl; //vbe_control_info uint vbeControl; //vbe_control_info
uint vbeModeInfo; //vbe_mode_info uint vbeModeInfo; //vbe_mode_info
ushort vbeMode; //vbe_mode ushort vbeMode; //vbe_mode
@ -149,6 +154,8 @@ struct BootInfo_t
// Informations about the microcode firmware (BIOS/EFI) // Informations about the microcode firmware (BIOS/EFI)
struct { struct {
ushort apmValid;
ushort romValid;
uint apmTable; //apm_table uint apmTable; //apm_table
uint romTable; //config_table uint romTable; //config_table
} firmware; } firmware;

2
kaleid/include/kernel/mm.h
View File

@ -25,6 +25,8 @@
#include <kernel/multiboot.h> #include <kernel/multiboot.h>
#include <kernel/base.h> #include <kernel/base.h>
#define MINIMUM_RAM_SIZE 16 //Mio, the minimum RAM size.
// //
// Returns a pointer to the first entry of the memory map // Returns a pointer to the first entry of the memory map
// //

5
kaleid/include/kernel/panic.h
View File

@ -31,9 +31,8 @@
//------------------------------------------// //------------------------------------------//
// Can't use the macro because panicStr is an array #define PANICSTR_SIZE 1024
static inline char *GetPanicStr(void) extern volatile char PanicStr[PANICSTR_SIZE];
{ return GetCurCPU().panicStr; }
//------------------------------------------// //------------------------------------------//

31
kaleid/include/kernel/term.h
View File

@ -80,46 +80,35 @@ struct Terminal_t
TermColor_t bgColor; TermColor_t bgColor;
// Defined in driver // Defined in driver
error_t (*ClearTermUnlocked)(Terminal_t *); error_t (*clear)(Terminal_t *);
error_t (*PutOnTermUnlocked)(Terminal_t *, char); error_t (*putchar)(Terminal_t *, char);
error_t (*PrintOnTermUnlocked)(Terminal_t *, const char *);
}; };
//------------------------------------------// //------------------------------------------//
void InitTerms(void); void InitTerms(void);
error_t ClearTerm(Terminal_t *); error_t ClearTerm(Terminal_t *);
error_t PutOnTerm(Terminal_t *, char);
error_t PrintOnTerm(Terminal_t *, const char *);
error_t ChTermColor(Terminal_t *, TermColor_t, TermColor_t); error_t ChTermColor(Terminal_t *, TermColor_t, TermColor_t);
error_t PutOnTerm(Terminal_t *, char);
error_t PutOnTermUnlocked(Terminal_t *, char);
error_t PrintOnTerm(Terminal_t *, const char *);
error_t PrintOnTermUnlocked(Terminal_t *, const char *);
error_t KernLog(const char *, ...); error_t KernLog(const char *, ...);
//------------------------------------------// //------------------------------------------//
extern Terminal_t *stdOut; extern Terminal_t *StdOut;
#define GetStdOut() (stdOut) extern Terminal_t *StdDbg;
#define SetStdOut(x) (stdOut = (x))
// Debug purposes
volatile ushort *vga;
//------------------------------------------// //------------------------------------------//
#ifndef _NO_DEBUG #ifndef _NO_DEBUG
extern Terminal_t *stdDbg;
#define GetStdDbg() (stdDbg)
#define SetStdDbg(x) (stdDbg = (x))
error_t DebugLog(const char *, ...); error_t DebugLog(const char *, ...);
#else // _NO_DEBUG #else // _NO_DEBUG
#define GetStdDbg() NULL
#define SetStdDbg(x) ((void)0)
#define DebugLog(fmt, ...) EOK #define DebugLog(fmt, ...) EOK
#endif #endif
//------------------------------------------// //------------------------------------------//

81
kaleid/kernel/init/init.c
View File

@ -22,56 +22,87 @@
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. // // along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------// //----------------------------------------------------------------------------//
#include <kernel/multiboot.h>
#include <kernel/term.h> #include <kernel/term.h>
#include <kernel/panic.h> #include <kernel/panic.h>
#include <kernel/mm.h> #include <kernel/mm.h>
// //
// BootInfo_t initialization. It is necessary because grub will potentially be // BootInfo_t initialization. It is necessary because grub will potentially be
// wiped since it is below 1MB.... // wiped since it is below 1MB.... And we must reorganize all that stuff.
// //
void InitBootInfo(multiboot_info_t *mbi) void InitBootInfo(multiboot_info_t *mbi)
{ {
KalAssert(mbi);
extern uint MB_header; extern uint MB_header;
char *okStr = "available";
char *noStr = "unavailable";
//Retrieves the bootloader informations // We need the multiboot structure
KalAlwaysAssert(mbi);
//Retrieves the bootloader flags to ensure infos are valid
GetBootInfo(btldr).grubFlags = mbi->flags; GetBootInfo(btldr).grubFlags = mbi->flags;
GetBootInfo(btldr).grubName = (mbi->boot_loader_name);
if (GetBootInfo(btldr).grubFlags & MULTIBOOT_INFO_BOOT_LOADER_NAME) {
GetBootInfo(btldr).grubName = (char*)(ullong)(mbi->boot_loader_name);
GetBootInfo(btldr).mbHeaderAddr = (void*)(ullong)&MB_header;
GetBootInfo(btldr).valid = 1;
}
if (GetBootInfo(btldr).grubFlags & MULTIBOOT_INFO_MODS) {
GetBootInfo(btldr).modulesCount = mbi->mods_count; GetBootInfo(btldr).modulesCount = mbi->mods_count;
GetBootInfo(btldr).modulesAddr = (void*)(ullong)mbi->mods_addr; GetBootInfo(btldr).modulesAddr = (void*)(ullong)mbi->mods_addr;
GetBootInfo(btldr).mbHeaderAddr = (void*)(ullong)&MB_header; }
DebugLog("\n[InitBootInfo] %s\n", GetBootInfo(btldr).grubName);
DebugLog("[InitBootInfo] Header address : %p, modules address : %p\n",
GetBootInfo(btldr).mbHeaderAddr, GetBootInfo(btldr).modulesAddr);
DebugLog("[InitBootInfo] GRUB flags : %x\n", GetBootInfo(btldr).grubFlags);
//Retrieves the drives informations //Retrieves the drives informations
GetBootInfo(drives).bootDrv = mbi->boot_device; if (GetBootInfo(btldr).grubFlags & MULTIBOOT_INFO_DRIVE_INFO) {
GetBootInfo(drives).bufferLength = mbi->drives_length; GetBootInfo(drives).bufferLength = mbi->drives_length;
GetBootInfo(drives).bufferAddr = (void*)(ullong)mbi->drives_addr; GetBootInfo(drives).bufferAddr = (void*)(ullong)mbi->drives_addr;
DebugLog("[InitBootInfo] Root drive : %x\n", GetBootInfo(drives).bufferValid = 1;
GetBootInfo(drives).bootDrv); }
if (GetBootInfo(btldr).grubFlags & MULTIBOOT_INFO_BOOTDEV) {
GetBootInfo(drives).bootDrv = mbi->boot_device;
GetBootInfo(drives).drvValid = 1;
}
//Retrieves the memory informations //Retrieves the memory informations
if (GetBootInfo(btldr).grubFlags & MULTIBOOT_INFO_MEMORY) {
GetBootInfo(memory).lowMemory = mbi->mem_lower; GetBootInfo(memory).lowMemory = mbi->mem_lower;
GetBootInfo(memory).upMemory = mbi->mem_upper; GetBootInfo(memory).upMemory = mbi->mem_upper;
GetBootInfo(memory).memValid = 1;
}
if (GetBootInfo(btldr).grubFlags & MULTIBOOT_INFO_MEM_MAP) {
GetBootInfo(memory).mapAddr = (void*)(ullong)mbi->mmap_addr; GetBootInfo(memory).mapAddr = (void*)(ullong)mbi->mmap_addr;
GetBootInfo(memory).mapLength = mbi->mmap_length; GetBootInfo(memory).mapLength = mbi->mmap_length;
DebugLog("[InitBootInfo] Low memory : %d Kio, Up memory : %d Mio\n", GetBootInfo(memory).mapValid = 1;
GetBootInfo(memory).lowMemory, GetBootInfo(memory).upMemory / (MB/KB)); }
DebugLog("[InitBootInfo] Memory map address : %p, length : %d\n",
GetBootInfo(memory).mapAddr, GetBootInfo(memory).mapLength);
// XXX assign video infos, but unused at this time // XXX assign video infos, but unused at this time
// Retrieves the firmware infos // Retrieves the firmware infos
GetBootInfo(firmware).apmTable = mbi->apm_table; if (GetBootInfo(btldr).grubFlags & MULTIBOOT_INFO_CONFIG_TABLE) {
GetBootInfo(firmware).romTable = mbi->config_table; GetBootInfo(firmware).romTable = mbi->config_table;
DebugLog("[InitBootInfo] APM Table : %p, ROM Table : %p\n", GetBootInfo(firmware).romValid = 1;
GetBootInfo(firmware).apmTable, GetBootInfo(firmware).romTable); }
if (GetBootInfo(btldr).grubFlags & MULTIBOOT_INFO_APM_TABLE) {
GetBootInfo(firmware).apmTable = mbi->apm_table;
GetBootInfo(firmware).apmValid = 1;
}
//Now we check (debug)
/*DebugLog("[InitBootInfo] Flags : %b\n\n",
GetBootInfo(btldr).grubFlags);*/
DebugLog("[InitBootInfo] Boot loader %s\n",
GetBootInfo(btldr).valid ? okStr : noStr);
DebugLog("[InitBootInfo] Boot drive %s\n",
GetBootInfo(drives).drvValid ? okStr : noStr);
DebugLog("[InitBootInfo] Disk buffer %s\n",
GetBootInfo(drives).bufferValid ? okStr : noStr);
DebugLog("[InitBootInfo] Basic mem %s\n",
GetBootInfo(memory).memValid ? okStr : noStr);
DebugLog("[InitBootInfo] Memory map %s\n",
GetBootInfo(memory).mapValid ? okStr : noStr);
DebugLog("[InitBootInfo] ROM table %s\n",
GetBootInfo(firmware).romValid ? okStr : noStr);
DebugLog("[InitBootInfo] APM table %s\n\n",
GetBootInfo(firmware).apmValid ? okStr : noStr);
} }
@ -90,13 +121,15 @@ noreturn void StartKern(multiboot_info_t *mbInfo, int mbMagic)
KernLog("%c%c%c OS/K\n\n", 219, 219, 219); KernLog("%c%c%c OS/K\n\n", 219, 219, 219);
KalAlwaysAssert(mbMagic == MULTIBOOT_BOOTLOADER_MAGIC); KalAlwaysAssert(mbMagic == MULTIBOOT_BOOTLOADER_MAGIC);
KernLog("[Init] We have magic : %x\n", mbMagic); KernLog("[Init] We have magic : %x\n\n", mbMagic);
//Initialize the BootInfo_t structure //Initialize the BootInfo_t structure
InitBootInfo(mbInfo); InitBootInfo(mbInfo);
//Memory mapping //Memory mapping
InitMemoryMap(); error_t mapBad = InitMemoryMap();
if (mapBad)
StartPanic("[Init] The memory map failed to initialize. Error : %d", mapBad);
// We're out // We're out
KernLog("\n[Init] Evil never dies !"); KernLog("\n[Init] Evil never dies !");

4
kaleid/kernel/init/table.c
View File

@ -28,5 +28,7 @@ int cpuCount = 1;
Processor_t cpuTable[NCPUS] = {0}; Processor_t cpuTable[NCPUS] = {0};
BootInfo_t bootTab = {0}; BootInfo_t bootTab = {0};
Terminal_t *StdOut = 0, *StdDbg = 0;
volatile char PanicStr[PANICSTR_SIZE] = {0};
Terminal_t *stdOut = 0, *stdDbg = 0;

102
kaleid/kernel/io/term.c
View File

@ -32,14 +32,14 @@ extern Terminal_t VGA_Terminal;
// //
void InitTerms(void) void InitTerms(void)
{ {
KalAssert(!GetStdOut() && !GetStdDbg()); KalAssert(!StdOut && !StdDbg);
VGA_Init(); VGA_Init();
SetStdDbg(&VGA_Terminal); StdDbg = &VGA_Terminal;
SetStdOut(&VGA_Terminal); StdOut = &VGA_Terminal;
ClearTerm(GetStdOut()); ClearTerm(StdOut);
} }
// //
@ -52,8 +52,8 @@ error_t ClearTerm(Terminal_t *term)
if (term == NULL) return EINVAL; if (term == NULL) return EINVAL;
KalAssert(term->initDone == INITOK); KalAssert(term->initDone == INITOK);
AquireLock(&term->lock); AcquireLock(&term->lock);
retcode = term->ClearTermUnlocked(term); retcode = term->clear(term);
ReleaseLock(&term->lock); ReleaseLock(&term->lock);
return retcode; return retcode;
@ -70,7 +70,7 @@ error_t ChTermColor(Terminal_t *term, TermColor_t fgColor, TermColor_t bgColor)
if (term == NULL) if (term == NULL)
return EINVAL; return EINVAL;
AquireLock(&term->lock); AcquireLock(&term->lock);
term->fgColor = fgColor; term->fgColor = fgColor;
term->bgColor = bgColor; term->bgColor = bgColor;
@ -81,39 +81,99 @@ error_t ChTermColor(Terminal_t *term, TermColor_t fgColor, TermColor_t bgColor)
} }
// //
// Writes a single character on the terminal // Writes a single character on the terminal (UNLOCKED version)
//
error_t PutOnTermUnlocked(Terminal_t *term, char ch)
{
uint i;
size_t prevY;
error_t rc = EOK;
if (ch == '\r') {
term->currentX = 0;
return EOK;
}
// Line feed first takes us to the very end of the line
// Later in this function we actually do the line feed
else if (ch == '\n') {
term->currentX = term->width - 1;
}
// Tabulations account for "term->tabSize" spaces
else if (ch == '\t') {
prevY = term->currentX;
for (i = 0; i < term->tabSize; i++) {
// Make sure tabulations can't spread over two lines
if (term->currentX == prevY) {
rc = term->putchar(term, ' ');
if (rc) return rc;
}
}
}
else rc = term->putchar(term, ch);
// Did we reach the end of line?
if (!rc && ++term->currentX == term->width) {
term->currentX = 0;
// Did we reach the buffer's end?
if (++term->currentY == term->height) {
term->currentY = 0;
}
}
return rc;
}
//
// Writes a single character on the terminal (LOCKED version)
// //
error_t PutOnTerm(Terminal_t *term, char ch) error_t PutOnTerm(Terminal_t *term, char ch)
{ {
error_t retcode; error_t rc;
if (term == NULL) return EINVAL; if (term == NULL) return EINVAL;
KalAssert(term->initDone == INITOK); KalAssert(term->initDone == INITOK);
AquireLock(&term->lock); AcquireLock(&term->lock);
retcode = term->PutOnTermUnlocked(term, ch); rc = PutOnTermUnlocked(term, ch);
ReleaseLock(&term->lock); ReleaseLock(&term->lock);
return retcode; return rc;
} }
// //
// Prints string on terminal // Prints string on terminal (UNLOCKED version)
//
error_t PrintOnTermUnlocked(Terminal_t *term, const char *str)
{
error_t rc = EOK;
while (*str && rc == EOK) {
rc = PutOnTermUnlocked(term, *str++);
}
return rc;
}
//
// Prints string on terminal (LOCKED version)
// //
error_t PrintOnTerm(Terminal_t *term, const char *str) error_t PrintOnTerm(Terminal_t *term, const char *str)
{ {
error_t retcode = EOK; error_t rc = EOK;
if (term == NULL) return EINVAL; if (term == NULL) return EINVAL;
KalAssert(term->initDone == INITOK); KalAssert(term->initDone == INITOK);
AquireLock(&term->lock); AcquireLock(&term->lock);
while (*str && retcode == EOK) { rc = PrintOnTermUnlocked(term, str);
retcode = term->PutOnTermUnlocked(term, *str++);
}
ReleaseLock(&term->lock); ReleaseLock(&term->lock);
return retcode; return rc;
} }
// //
@ -130,7 +190,7 @@ error_t KernLog(const char *fmt, ...)
vsnprintf(logbuf, KLOG_MAX_BUFSIZE, fmt, ap); vsnprintf(logbuf, KLOG_MAX_BUFSIZE, fmt, ap);
va_end(ap); va_end(ap);
return PrintOnTerm(GetStdOut(), logbuf); return PrintOnTerm(StdOut, logbuf);
} }
#ifndef _NO_DEBUG #ifndef _NO_DEBUG
@ -148,7 +208,7 @@ error_t DebugLog(const char *fmt, ...)
vsnprintf(logbuf, KLOG_MAX_BUFSIZE, fmt, ap); vsnprintf(logbuf, KLOG_MAX_BUFSIZE, fmt, ap);
va_end(ap); va_end(ap);
return PrintOnTerm(GetStdDbg(), logbuf); return PrintOnTerm(StdDbg, logbuf);
} }
#endif #endif

59
kaleid/kernel/io/vga.c
View File

@ -59,69 +59,15 @@ error_t VGA_ClearTermUnlocked(Terminal_t *term)
// //
error_t VGA_PutOnTermUnlocked(Terminal_t *term, char ch) error_t VGA_PutOnTermUnlocked(Terminal_t *term, char ch)
{ {
uint i;
size_t prevY;
if (ch == '\r') {
term->currentX = 0;
return EOK;
}
// Line feed first takes us to the very end of the line
// Later in this function we actually do the line feed
else if (ch == '\n') {
term->currentX = term->width - 1;
}
// Tabulations account for "term->tabSize" spaces
else if (ch == '\t') {
prevY = term->currentX;
for (i = 0; i < term->tabSize; i++) {
// Make sure tabulations can't spread over two lines
if (term->currentX == prevY) {
VGA_PutOnTermUnlocked(term, ' ');
}
}
}
else {
ushort *buffer = (ushort *)term->data; ushort *buffer = (ushort *)term->data;
const size_t offset = VGA_ComputeOffset(term, term->currentX, term->currentY); const size_t offset = VGA_ComputeOffset(term, term->currentX, term->currentY);
buffer[offset] = VGA_ComputeEntry(ch, VGA_ComputeColorCode(term->fgColor, term->bgColor)); buffer[offset] = VGA_ComputeEntry(ch, VGA_ComputeColorCode(term->fgColor, term->bgColor));
}
// Did we reach the end of line?
if (++term->currentX == term->width) {
term->currentX = 0;
// Did we reach the buffer's end?
if (++term->currentY == term->height) {
// XXX scroll up
term->currentY = 0;
}
}
// Nothing can go wrong
return EOK; return EOK;
} }
//
// Prints string on terminal
//
error_t VGA_PrintOnTermUnlocked(Terminal_t *term, const char *str)
{
error_t retcode = EOK;
while (*str && retcode == EOK) {
retcode = term->PutOnTermUnlocked(term, *str++);
}
return retcode;
}
// //
// VGA output // VGA output
// XXX custom sizes
// //
Terminal_t VGA_Terminal = { Terminal_t VGA_Terminal = {
.initDone = FALSE, .initDone = FALSE,
@ -140,9 +86,8 @@ Terminal_t VGA_Terminal = {
.fgColor = KTERM_COLOR_LGREY, .fgColor = KTERM_COLOR_LGREY,
.bgColor = KTERM_COLOR_BLACK, .bgColor = KTERM_COLOR_BLACK,
.ClearTermUnlocked = VGA_ClearTermUnlocked, .clear = VGA_ClearTermUnlocked,
.PutOnTermUnlocked = VGA_PutOnTermUnlocked, .putchar = VGA_PutOnTermUnlocked,
.PrintOnTermUnlocked = VGA_PrintOnTermUnlocked,
}; };

18
kaleid/kernel/ke/panic.c
View File

@ -37,8 +37,8 @@ noreturn void __assert_handler(const char *msg,
(void)file; (void)line; (void)func; (void)file; (void)line; (void)func;
StartPanic("cpu%d: In function '%s', from %s line %d - assert() failed: '%s'", StartPanic("In function '%s', from %s line %d - assertion failed: '%s'",
_GetCurCPU(), func, file, line, msg); func, file, line, msg);
} }
// //
@ -52,25 +52,23 @@ noreturn void StartPanic(const char *fmt, ...)
DisableIRQs(); DisableIRQs();
if (GetCurProc()) _SetCurProc(NULL); if (GetCurProc()) _SetCurProc(NULL);
if (GetStdOut() == NULL) CrashSystem(); if (StdOut == NULL) CrashSystem();
GetStdOut()->ClearTermUnlocked(GetStdOut());
if (fmt == NULL) { if (fmt == NULL) {
fmt = "(no message given)"; fmt = "(no message given)";
} }
if (*GetPanicStr()) { if (PanicStr[0] != 0) {
GetStdOut()->PrintOnTermUnlocked(GetStdOut(), "\nDouble panic!"); PrintOnTermUnlocked(StdOut, "\nDouble panic!");
HaltCPU(); HaltCPU();
} }
va_start(ap, fmt); va_start(ap, fmt);
vsnprintf(GetPanicStr(), PANICSTR_SIZE, fmt, ap); vsnprintf((char *)PanicStr, PANICSTR_SIZE, fmt, ap);
va_end(ap); va_end(ap);
GetStdOut()->PrintOnTermUnlocked(GetStdOut(), "\nPanic!\n\n"); PrintOnTermUnlocked(StdOut, "\nPanic!\n\n");
GetStdOut()->PrintOnTermUnlocked(GetStdOut(), GetPanicStr()); PrintOnTermUnlocked(StdOut, (char *)PanicStr);
HaltCPU(); HaltCPU();
} }

4
kaleid/kernel/mm/heap.c
View File

@ -47,11 +47,11 @@ void InitHeap(void)
} }
// //
// Aquires control of the heap's lock // Acquires control of the heap's lock
// //
void LockHeap(void) void LockHeap(void)
{ {
AquireLock(&_heap_lock); AcquireLock(&_heap_lock);
} }
// //

4
kaleid/kernel/mm/malloc.c
View File

@ -46,7 +46,7 @@ error_t KalAllocMemory(void **ptr, size_t req, int flags, size_t align)
UnlockHeap(); UnlockHeap();
if (rc) { if (rc) {
if ((flags & M_CANFAIL) == 0) if ((flags & M_CANFAIL) != 0)
return rc; return rc;
StartPanic("Out of memory"); StartPanic("Out of memory");
} }
@ -66,6 +66,6 @@ error_t KalAllocMemory(void **ptr, size_t req, int flags, size_t align)
error_t KalFreeMemory(void *ptr) error_t KalFreeMemory(void *ptr)
{ {
(void)ptr; (void)ptr;
return 0; return EOK;
} }

12
kaleid/kernel/mm/map.c
View File

@ -27,8 +27,16 @@
error_t InitMemoryMap(void) error_t InitMemoryMap(void)
{ {
///uint MapIsValid = (GetBootInfo(btldr).grubFlags & MULTIBOOT_INFO_MEM_MAP = MULTIBOOT_INFO_MEM_MAP ? 1 : 0); if (!GetBootInfo(memory).memValid && GetBootInfo(memory).mapValid)
KalAlwaysAssert(MapIsValid); return ENXIO;
DebugLog("[InitMemoryMap] Memory map address : %p, length : %d\n",
GetBootInfo(memory).mapAddr, GetBootInfo(memory).mapLength);
if ((GetBootInfo(memory).upMemory / (MB/KB)) <= MINIMUM_RAM_SIZE) //XXX before loading kernel...
return ENOMEM;
DebugLog("[InitMemoryMap] Low memory : %d Kio, Up memory : %d Mio\n",
GetBootInfo(memory).lowMemory, GetBootInfo(memory).upMemory / (MB/KB));
return EOK; return EOK;
} }