chore: remove old klog.inc and rename klog.new.inc

This commit is contained in:
d0p1 🏳️‍⚧️ 2025-01-03 14:58:43 +01:00
parent 567a9388d8
commit dbf5dd9a91
4 changed files with 179 additions and 399 deletions

View file

@ -118,7 +118,7 @@ kmain:
call klog
jmp .halt
include 'klog.new.inc'
include 'klog.inc'
include 'dev/console.inc'
include 'dev/dev.inc'
include 'mm/bootstrap.inc'

View file

@ -1,59 +1,81 @@
;; File: klog.inc
;; Kernel logging utilities
;;
COM1 = 0x3F8
;; Function: klog_print
;; Function: _klog_print_str
;;
;; In:
;; ESI - Null-terminated string to print
klog_print:
;; In: EAX - Null-terminated string to print
_klog_print_str:
push ebp
mov ebp, esp
push esi
mov dx, COM1
mov esi, eax
@@:
lodsb
or al, al
jz @f
out dx, al
pusha
call cga_putc
popa
jmp @b
@@:
pop esi
leave
ret
;; Function: klog_print_integer
;; Function: _klog_print_int
;;
;; In:
;; EDI - number
;;
klog_print_integer:
test edi, edi
js .print_minus
;; EAX - number
_klog_print_int:
test eax, eax
jns @f
; TODO print '-'
mov ecx, eax
mov dx, COM1
mov al, '-'
out dx, al
pusha
call cga_putc
popa
mov eax, ecx
@@:
mov ecx, eax
sar ecx, 31
xor ecx, eax
sub ecx, eax
mov ecx, eax
call _klog_print_unsigned
.print_minus:
ret
;; Function: klog_print_unsigned
;; Function: _klog_print_unsigned
;;
;; In:
;; EDI - number
;;
klog_print_unsigned:
push edx
;; EAX - number
_klog_print_unsigned:
push ebx
xor ecx, ecx
mov eax, edi
mov ebx, 10
.loop_calc:
xor ecx, ecx
@@:
xor edx, edx
div ebx
push edx
inc ecx
or eax, eax
jnz .loop_calc
.loop_print:
jnz @b
@@:
pop eax
add al, '0'
add al, 0
mov dx, COM1
out dx, al
pusha
@ -61,17 +83,65 @@ klog_print_unsigned:
popa
dec ecx
or cl, cl
jnz .loop_print
jnz @b
pop ebx
pop edx
ret
;; Function: klog_print_time
;; Function: _klog_print_hex
;;
klog_print_time:
;; In:
;; EAX - number
_klog_print_hex:
push ebp
mov ebp, esp
push edi
mov edi, eax
mov eax, szHexPrefix
call _klog_print_str
or edi, edi
jz .print_zero
xor cl, cl
.begin:
cmp cl, 8
je .print_number
rol edi, 4
mov eax, edi
and eax, 0xF
mov al, byte [sDigit + eax]
mov [szKlogBuffer + ecx], al
inc cl
jmp .begin
.print_zero:
mov al, '0'
mov dx, COM1
out dx, al
pusha
call cga_putc
popa
jmp .end
.print_number:
mov [szKlogBuffer + ecx], byte 0
mov eax, szKlogBuffer
call _klog_print_str
.end:
pop edi
leave
ret
;; Function: _klog_print_time
;;
_klog_print_time:
; wait CMOS ready
@@:
mov al, 0x0A
out CMOS_COMMAND, al
@ -118,120 +188,122 @@ klog_print_time:
add ah, 0x30
add al, 0x30
mov [szTime + 7], ah
mov [szTime + 8], al
mov eax, szTime
call _klog_print_str
push esi
mov esi, szTime
call klog_print
pop esi
ret
klog_print_hex:
push esi
mov esi, szHexPrefix
call klog_print
pop esi
or edi, edi
jz .print_zero
push esi
mov esi, szKlogBuffer
xor cl, cl
.loop:
cmp cl, 8
je .print_number
rol edi, 4
mov eax, edi
and eax, 0xF
mov al, byte [sDigit + eax]
mov [esi], al
inc esi
inc cl
jmp .loop
.print_zero:
mov al, '0'
out dx, al
pusha
call cga_putc
popa
jmp .end
.print_number:
mov [esi], byte 0
mov esi, szKlogBuffer
call klog_print
pop esi
.end:
ret
;; Function: klog
;;
;; Output kernel log
;;
;; In:
;; EAX - null-terminated string
;; STACK[X] - var_arg
klog:
call klog_print_time
push ebp
mov ebp, esp
.loop:
push esi
mov esi, eax
; display log time
call _klog_print_time
mov ecx, 4
.begin:
mov al, [esi]
or al, al
jz .end
; search for formating
cmp al, '%'
jne .putchar
; read next char
inc esi
mov al, [esi]
; check if another '%'
cmp al, '%'
je .putchar
; check if string format
cmp al, 's'
jne .check_x
mov edi, esi
pop eax
pop esi
push eax
call klog_print
mov esi, edi
jne @f
; print string
mov eax, [ebp + ecx]
push ecx
call _klog_print_str
pop ecx
add ecx, 4
jmp .next
.check_x:
; check if hex format
@@:
cmp al, 'x'
jne .check_d
pop eax
pop edi
push eax
call klog_print_hex
jne @f
mov eax, [ebp + ecx]
push ecx
call _klog_print_hex
pop ecx
add ecx, 4
jmp .next
.check_d:
; check if int format
@@:
cmp al, 'd'
jne .check_u
pop eax
pop edi
push eax
call klog_print_integer
jne @f
mov eax, [ebp + ecx]
push ecx
call _klog_print_int
pop ecx
add ecx, 4
jmp .next
.check_u:
; check if unsigned
@@:
cmp al, 'u'
jne .unknown_format
pop eax
pop edi
push eax
call klog_print_unsigned
jne @f
mov eax, [ebp + ecx]
push ecx
call _klog_print_unsigned
pop ecx
add ecx, 4
jmp .next
.unknown_format:
; unknown format
@@:
mov al, '?'
.putchar:
.putchar: ; XXX: fix this mess
mov dx, COM1
out dx, al
pusha
call cga_putc
popa
.next:
inc esi
jmp .loop
jmp .begin
.end:
mov esi, szCRLF
call klog_print
mov eax, szCRLF
call _klog_print_str
leave
ret
szTime db '[00:00:00] ', 0
szCRLF db CR, LF, 0
szCRLF db CR, LF, 0
sDigit db '0123456789ABCDEF'
szHexPrefix db '0x', 0
szKlogBuffer db '00000000', 0

View file

@ -1,292 +0,0 @@
;; File: klog.inc
;; Kernel logging utilities
;;
COM1 = 0x3F8
;; Function: _klog_print
;;
;; In: EAX - Null-terminated string to print
_klog_print_str:
push ebp
mov ebp, esp
push esi
mov dx, COM1
mov esi, eax
@@:
lodsb
or al, al
jz @f
out dx, al
pusha
call cga_putc
popa
jmp @b
@@:
pop esi
leave
ret
;; Function: _klog_print_int
;;
;; In:
;; EAX - number
_klog_print_int:
test eax, eax
js .print_minus
.print_minus:
ret
;; Function: _klog_print_unsigned
;;
;; In:
;; EAX - number
_klog_print_unsigned:
push ebx
mov ebx, 10
xor ecx, ecx
@@:
xor edx, edx
div ebx
push edx
inc ecx
or eax, eax
jnz @b
@@:
pop eax
add al, 0
mov dx, COM1
out dx, al
pusha
call cga_putc
popa
dec ecx
or cl, cl
jnz @b
pop ebx
ret
;; Function: _klog_print_hex
;;
;; In:
;; EAX - number
_klog_print_hex:
push ebp
mov ebp, esp
push edi
mov edi, eax
mov eax, szHexPrefix
call _klog_print_str
or edi, edi
jz .print_zero
xor cl, cl
.begin:
cmp cl, 8
je .print_number
rol edi, 4
mov eax, edi
and eax, 0xF
mov al, byte [sDigit + eax]
mov [szKlogBuffer + ecx], al
inc cl
jmp .begin
.print_zero:
mov al, '0'
mov dx, COM1
out dx, al
pusha
call cga_putc
popa
jmp .end
.print_number:
mov [szKlogBuffer + ecx], byte 0
mov eax, szKlogBuffer
call _klog_print_str
.end:
pop edi
leave
ret
;; Function: _klog_print_time
;;
_klog_print_time:
; wait CMOS ready
@@:
mov al, 0x0A
out CMOS_COMMAND, al
in al, CMOS_DATA
and al, 0x80
jnz @b
mov al, CMOS_REG_HOUR
out CMOS_COMMAND, al
in al, CMOS_DATA
mov ah, al
shr ah, 4
and ah, 0xF
and al, 0xF
add ah, 0x30
add al, 0x30
mov [szTime + 1], ah
mov [szTime + 2], al
mov al, CMOS_REG_MINUTE
out CMOS_COMMAND, al
in al, CMOS_DATA
mov ah, al
shr ah, 4
and ah, 0xF
and al, 0xF
add ah, 0x30
add al, 0x30
mov [szTime + 4], ah
mov [szTime + 5], al
mov al, CMOS_REG_SECOND
out CMOS_COMMAND, al
in al, CMOS_DATA
mov ah, al
shr ah, 4
and ah, 0xF
and al, 0xF
add ah, 0x30
add al, 0x30
mov [szTime + 7], ah
mov [szTime + 8], al
mov eax, szTime
call _klog_print_str
ret
;; Function: klog
;;
;; Output kernel log
;;
;; In:
;; EAX - null-terminated string
;; STACK[X] - var_arg
klog:
push ebp
mov ebp, esp
push esi
mov esi, eax
; display log time
call _klog_print_time
mov ecx, 4
.begin:
mov al, [esi]
or al, al
jz .end
; search for formating
cmp al, '%'
jne .putchar
; read next char
inc esi
mov al, [esi]
; check if another '%'
cmp al, '%'
je .putchar
; check if string format
cmp al, 's'
jne @f
; print string
mov eax, [ebp + ecx]
push ecx
call _klog_print_str
pop ecx
add ecx, 4
jmp .next
; check if hex format
@@:
cmp al, 'x'
jne @f
mov eax, [ebp + ecx]
push ecx
call _klog_print_hex
pop ecx
add ecx, 4
jmp .next
; check if int format
@@:
cmp al, 'd'
jne @f
mov eax, [ebp + ecx]
push ecx
call _klog_print_int
pop ecx
add ecx, 4
jmp .next
; check if unsigned
@@:
cmp al, 'u'
jne @f
mov eax, [ebp + ecx]
push ecx
call _klog_print_unsigned
pop ecx
add ecx, 4
jmp .next
; unknown format
@@:
mov al, '?'
.putchar: ; XXX: fix this mess
mov dx, COM1
out dx, al
pusha
call cga_putc
popa
.next:
inc esi
jmp .begin
.end:
mov eax, szCRLF
call _klog_print_str
leave
ret
szTime db '[00:00:00] ', 0
szCRLF db CR, LF, 0
sDigit db '0123456789ABCDEF'
szHexPrefix db '0x', 0
szKlogBuffer db '00000000', 0

View file

@ -98,7 +98,7 @@ pmm_free:
;; Out:
;; EAX - return -1 on error
pmm_init:
mov esi, szMsgMmInit
mov eax, szMsgMmInit
call klog
mov eax, kend