gwdev/Syncboot
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Change branding, ProjectRED -> Sync.

Browse Source 
Additionally, added header comments to all files.
The next few commits will likely be structure and comment-related.
This commit is contained in:
Curle 2019-07-17 02:04:04 +01:00
parent 4edd4b7cc8
commit 93729c40b5
9 changed files with 56 additions and 159 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/i386/gdt.s
View File

@ -1,17 +0,0 @@
; This file is written with Intel ASM Syntax.
[GLOBAL load_gdt] ; Allows the C code to call gdt_flush().
[EXTERN gp]
load_gdt:
; Get the pointer to the GDT, passed as a parameter.
lgdt [gp] ; Load the new GDT pointer
mov ax, 0x10 ; 0x10 is the offset in the GDT to our data segment
mov ds, ax ; Load all data segment selectors
mov es, ax
mov fs, ax
mov gs, ax
mov ss, ax
jmp 0x08:flush ; 0x08 is the offset to our code segment: Far jump!
flush:
ret

135
arch/i386/isr.s
View File

@ -1,135 +0,0 @@
%macro ISR 1
global isr%1
isr%1:
cli
push byte 0
push byte %1
jmp isr_common
%endmacro
%macro ISR_ERR 1
global isr%1
isr%1:
cli
push byte %1
jmp isr_common
%endmacro
%macro IRQ 2
global irq%1
irq%1:
cli
push byte 0
push byte %2
jmp irq_common
%endmacro
ISR 0
ISR 1
ISR 2
ISR 3
ISR 4
ISR 5
ISR 6
ISR 7
ISR_ERR 8
ISR 9
ISR_ERR 10
ISR_ERR 11
ISR_ERR 12
ISR_ERR 13
ISR_ERR 14
ISR 15
ISR 16
ISR_ERR 17
ISR 18
ISR 19
ISR 20
ISR 21
ISR 22
ISR 23
ISR 24
ISR 25
ISR 26
ISR 27
ISR 28
ISR 29
ISR_ERR 30
ISR 31
IRQ 0, 32
IRQ 1, 33
IRQ 2, 34
IRQ 3, 35
IRQ 4, 36
IRQ 5, 37
IRQ 6, 38
IRQ 7, 39
IRQ 8, 40
IRQ 9, 41
IRQ 10, 42
IRQ 11, 43
IRQ 12, 44
IRQ 13, 45
IRQ 14, 46
IRQ 15, 47
extern fault_handler
isr_common:
pusha
push ds
push es
push fs
push gs
mov ax, 0x10
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov eax, esp
push eax
mov eax, fault_handler
call eax
pop eax
pop gs
pop fs
pop es
pop ds
popa
add esp, 8
iret
extern irq_handler
irq_common:
pusha
push ds
push es
push fs
push gs
mov ax, 0x10
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov eax, esp
push eax
mov eax, irq_handler
call eax
pop eax
pop gs
pop fs
pop es
pop ds
popa
add esp, 8
iret
global idt_load
extern idtp
idt_load:
lidt [idtp]
ret

9
arch/i386/sys_clock.c
View File

@ -1,3 +1,12 @@
/************************
*** Team Kitty, 2019 ***
*** Sync ***
***********************/
/* This file provides an interface to
* the hardware timer / RTC. Not much
* more to be said about it. */
#include <kernel/utils.h>
#include <kernel.h>
#include <kernel/serial.h>

15
arch/i386/tty.c
View File

@ -1,3 +1,18 @@
/************************
*** Team Kitty, 2019 ***
*** Sync ***
***********************/
/* This file provides all of the functionality
* needed to interact with the Text-Mode VGA
* buffer, which will soon be defunct due to
* EFI and graphics.
*
* This file will be left for the forseeable
* future, because it allows for easy debugging.
* 17/07/19 Curle
*/
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

2
kernel/descriptor_tables.c
View File

@ -1,6 +1,6 @@
/************************
*** Team Kitty, 2019 ***
*** ProjectRED ***
*** Sync ***
***********************/
/* This file combines the implementation

2
kernel/interrupts.c
View File

@ -1,6 +1,6 @@
/************************
*** Team Kitty, 2019 ***
*******ProjectRED*******
*** Sync ***
***********************/
/* This file contains all of the ISR and IRQ

15
kernel/kernel.c
View File

@ -1,8 +1,16 @@
/************************
*** Team Kitty, 2019 ***
*** ProjectRED ***
*** Sync ***
***********************/
/* This file contains the entry point
* to the kernel. This section consists
* mainly of bootloading functions.
*
* Graphics and memory will be setup
* at later stages.
*/
//#include <stdio.h>
#include <kernel.h>
#include <kernel/tty.h>
@ -60,11 +68,10 @@ int kernel_main(void) {
serial_print(0x3F8, "[INFO] All subsystems ready. Printing message.\r\n");
/* Everything is ready; print a pretty message. */
term_setcolor(RED);
term_writes("\n(c)");
term_setcolor(GREEN);
term_writes(" Project");
term_setcolor(RED);
term_writes("RED");
term_writes(" Sync");
term_setcolor(WHITE);
term_writes(", 2019\n");

10
kernel/serial.c
View File

@ -1,3 +1,13 @@
/************************
*** Team Kitty, 2019 ***
*** Sync ***
***********************/
/* This file provides an interface to the serial port.
* Most emulators allow the serial port to be saved into
* a text buffer, or a file, but this code should work on
* hardware with an actual serial port and monitor. */
#include <kernel/utils.h>
#include <stdarg.h>
#include <stdint.h>

10
kernel/utils.c
View File

@ -1,8 +1,16 @@
/************************
*** Team Kitty, 2019 ***
*** ProjectRED ***
*** Sync ***
***********************/
/* This file contains utility functions
* for the kernel and OS to use. They
* will be naturally optimized through
* the run of development, and thus are
* to be used scarcely until a more
* permanent solution can be found.
*/
#include <kernel/utils.h>
#include <kernel/tty.h>
#include <stddef.h>