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refactor: reorganize files (wip)

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d0p1 🏳️‍⚧️ 2024-07-07 15:48:22 +02:00
parent 4d5bbe3003
commit ea2f09a44d
10 changed files with 71 additions and 112 deletions
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17
boot/common/bootinfo.inc
View file

@ -1,21 +1,6 @@
;; File: bootinfo.inc
;; Struct: BootInfoRange
struc BootInfoRange {
.base dd ?
.legth dd ?
}
;; Struct: BootInfo
;;
;; StupidOS boot protocol structure
struc BootInfo {
.mmap dd 4*2*20 dup(0)
.kernel_start dd ?
.kernel_size dd ?
}
;; Section: Globals
include '../../kernel/sys/bootinfo.inc'
;; Constant: BOOTINFO_MEMORY_LIMIT
BOOTINFO_MEMORY_LIMIT = 0xFFFFF000

2
boot/loader/Makefile
View file

@ -3,6 +3,8 @@ TARGET = stpdldr.sys
LOADER_SRCS = loader.asm \
../common/const.inc \
../common/bootinfo.inc \
../../kernel/sys/bootinfo.inc \
../../kernel/sys/register.inc \
video.inc \
memory.inc \
logger.inc \

5
boot/loader/loader.asm
View file

@ -111,7 +111,7 @@ _start:
; enable protected mode
mov eax, cr0
or al, 1
or al, CR0_PE
mov cr0, eax
; reload ds, es, fs, gs, ss
@ -147,6 +147,7 @@ _start:
include 'video.inc'
include 'gdt.inc'
include '../common/bootinfo.inc'
include '../../kernel/sys/register.inc'
uDrive rb 1
bDriveLBA db FALSE
@ -237,7 +238,7 @@ common32:
mov cr3, eax
mov eax, cr0
or eax, 0x80010000
or eax, CR0_PG or CR0_WP
mov cr0, eax
mov eax, STPDBOOT_MAGIC

2
boot/loader/video.inc
View file

@ -1,3 +1,5 @@
;; File: video.inc
struc VesaInfo
{
.Signature dd 'VBE2'

21
docs/config/Menu.txt
View file

@ -20,7 +20,7 @@ Timestamp: Updated yyyy/mm/dd
# These are indexes you deleted, so Natural Docs will not add them again
# unless you remove them from this line.
Don't Index: Classes, Macros, Variables
Don't Index: Macros, Classes, Variables
# --------------------------------------------------------------------------
@ -66,7 +66,7 @@ Group: BootLoader {
File: loader.asm (boot/loader/loader.asm)
File: logger.inc (boot/loader/logger.inc)
File: memory.inc (boot/loader/memory.inc)
File: video_setup (boot/loader/video.inc)
File: video.inc (boot/loader/video.inc)
} # Group: Loader
Group: Common {
@ -88,11 +88,22 @@ Group: BootLoader {
Group: Kernel {
File: bootinfo.inc (kernel/bootinfo.inc)
File: Introduction (kernel/intro.txt)
File: kernel.asm (kernel/kernel.asm)
File: klog (kernel/klog.inc)
File: vga_console_clear (kernel/dev/vga_console.inc)
File: klog.inc (kernel/klog.inc)
Group: Devices {
File: IBM PC/AT (kernel/dev/at/intro.txt)
File: vga_console.inc (kernel/dev/vga_console.inc)
} # Group: Devices
Group: System Includes {
File: bootinfo.inc (kernel/sys/bootinfo.inc)
File: mmu.inc (kernel/sys/mmu.inc)
File: registers.inc (kernel/sys/register.inc)
} # Group: System Includes
Group: Memory Manager {

10
include/fs/fat16.h
View file

@ -1,10 +0,0 @@
#ifndef ECHFS_H
# define ECHFS_H 1
typedef struct {
uint8_t jmp[4];
uint8_t signature[8];
} EchFSIdentityTable;
#endif /* !ECHFS_H */

2
kernel/kernel.asm
View file

@ -60,7 +60,7 @@ kmain:
call klog
jmp .halt
include 'bootinfo.inc'
include 'sys/bootinfo.inc'
include 'klog.inc'
include 'dev/vga_console.inc'
include 'mm/mm.inc'

13
kernel/klog.inc
View file

@ -1,3 +1,6 @@
;; File: klog.inc
;; Kernel logging utilities
CMOS_ADDRESS = 0x70
CMOS_DATA = 0x71
@ -7,6 +10,10 @@ CMOS_REG_HOUR = 0x04
COM1 = 0x3F8
;; Function: klog_print
;;
;; In:
;; ESI - Null-terminated string to print
klog_print:
mov dx, COM1
@@:
@ -18,7 +25,9 @@ klog_print:
@@:
ret
klog_print_date:
;; Function: klog_print_time
;;
klog_print_time:
@@:
mov al, 0x0A
out CMOS_ADDRESS, al
@ -114,7 +123,7 @@ klog_print_hex:
;; Function: klog
;; Output kernel log
klog:
call klog_print_date
call klog_print_time
.loop:
mov al, [esi]

0
kernel/bootinfo.inc → kernel/sys/bootinfo.inc
View file

111
kernel/sys/register.inc
View file

@ -17,23 +17,23 @@
;; CR0_NW - Not-write through
;; CR0_CD - Cache disable
;; CR0_PG - Paging
CR0_PE equ 1 << 0
CR0_MP equ 1 << 1
CR0_EM equ 1 << 2
CR0_TS equ 1 << 3
CR0_ET equ 1 << 4
CR0_NE equ 1 << 5
CR0_WP equ 1 << 16
CR0_AM equ 1 << 18
CR0_NW equ 1 << 29
CR0_CD equ 1 << 30
CR0_PG equ 1 << 31
CR0_PE = 0x00000001
CR0_MP = 0x00000002
CR0_EM = 0x00000004
CR0_TS = 0x00000008
CR0_ET = 0x00000010
CR0_NE = 0x00000020
CR0_WP = 0x00010000
CR0_AM = 0x00040000
CR0_NW = 0x20000000
CR0_CD = 0x40000000
CR0_PG = 0x80000000
;; Defines: CR3
;; CR3_PWT - Page-level Write-Through
;; CR3_PCD - Page-level Cache Disable
CR3_PWT equ 1 << 3
CR3_PCD equ 1 << 4
CR3_PWT = 0x08
CR3_PCD = 0x10
;; Defines: CR4
;; CR4_VME - Virtual 8086 Mode Extensions
@ -60,67 +60,26 @@ CR3_PCD equ 1 << 4
;; CR4_PKE - Protection Key Enable
;; CR4_CET - Control-flow Enforcement Technology
;; CR4_PKS - Enable Protection Keys for Supervisor-Mode Pages
CR4_VME equ 1 << 0
CR4_PVI equ 1 << 1
CR4_TSD equ 1 << 2
CR4_DE equ 1 << 3
CR4_PSE equ 1 << 4
CR4_PAE equ 1 << 5
CR4_MCE equ 1 << 6
CR4_PGE equ 1 << 7
CR4_PCE equ 1 << 8
CR4_OSDXSR equ 1 << 9
CR4_OSXMMEXCPT equ 1 << 10
CR4_UMIP equ 1 << 11
CR4_VMXE equ 1 << 13
CR4_SMXE equ 1 << 14
CR4_FSGSBASE equ 1 << 16
CR4_PCIDE equ 1 << 17
CR4_OSXSAVE equ 1 << 18
CR4_SMEP equ 1 << 20
CR4_SMAP equ 1 << 21
CR4_PKE equ 1 << 22
CR4_CET equ 1 << 23
CR4_PKS equ 1 << 24
CR4_VME = 0x0000001
CR4_PVI = 0x0000002
CR4_TSD = 0x0000004
CR4_DE = 0x0000008
CR4_PSE = 0x0000010
CR4_PAE = 0x0000020
CR4_MCE = 0x0000040
CR4_PGE = 0x0000080
CR4_PCE = 0x0000100
CR4_OSDXSR = 0x0000200
CR4_OSXMMEXCPT = 0x0000400
CR4_UMIP = 0x0000800
CR4_VMXE = 0x0002000
CR4_SMXE = 0x0004000
CR4_FSGSBASE = 0x0010000
CR4_PCIDE = 0x0020000
CR4_OSXSAVE = 0x0040000
CR4_SMEP = 0x0100000
CR4_SMAP = 0x0200000
CR4_PKE = 0x0400000
CR4_CET = 0x0800000
CR4_PKS = 0x1000000
;; =========================================================================
;; eflags
;; =========================================================================
;; Defines: EFLAGS
;; EFLAGS_CF - Carry flag
;; EFLAGS_PF - Parity flag
;; EFLAGS_AF - Auxiliary flag
;; EFLAGS_ZF - Zero flag
;; EFLAGS_SF - Sign flag
;; EFLAGS_TF - Trap flag
;; EFLAGS_IF - Interrupt enable flag
;; EFLAGS_DF - Direction flag
;; EFLAGS_OF - Overflow flag
;; EFLAGS_IOPL1 - I/O privilege flag
;; EFLAGS_IOPL2 - I/O privilege flag
;; EFLAGS_NT - Nested task flag
;; EFLAGS_RF - Resume flag
;; EFLAGS_VM - Virtual 8086 mode flag
;; EFLAGS_AC - Alignment check
;; EFLAGS_VIF - Virtual Interrupt flag
;; EFLAGS_VIP - Virtual Interrupt pending
;; EFLAGS_ID - CPUID instruction available
EFLAGS_CF equ 1 << 0
EFLAGS_PF equ 1 << 2
EFLAGS_AF equ 1 << 4
EFLAGS_ZF equ 1 << 6
EFLAGS_SF equ 1 << 7
EFLAGS_TF equ 1 << 8
EFLAGS_IF equ 1 << 9
EFLAGS_DF equ 1 << 10
EFLAGS_OF equ 1 << 11
EFLAGS_IOPL1 equ 1 << 12
EFLAGS_IOPL2 equ 1 << 13
EFLAGS_NT equ 1 << 14
EFLAGS_RF equ 1 << 16
EFLAGS_VM equ 1 << 17
EFLAGS_AC equ 1 << 18
EFLAGS_VIF equ 1 << 19
EFLAGS_VIP equ 1 << 20
EFLAGS_ID equ 1 << 21