fix: gpf , pmm still wip

docs/build.mk

@@ -1,4 +1,4 @@
 .PHONY: docs
 docs: 
 	-mkdir -p $(DOC_DIR)/html
-	naturaldocs -p $(DOC_DIR)/config -i . -o HTML $(DOC_DIR)/html
+	naturaldocs -p $(DOC_DIR)/config -xi tmp -i . -o HTML $(DOC_DIR)/html

docs/config/Menu.txt

@@ -60,17 +60,15 @@ Group: Kernel  {
 Group: Lib  {
 
    File: base.inc  (lib/base.inc)
+   File: log.s  (lib/base/log.s)
    }  # Group: Lib
 
 Group: Index  {
 
    Index: Everything
-   Class Index: Classes
-   Constant Index: Constants
    File Index: Files
    Function Index: Functions
    Macro Index: Macros
-   Type Index: Types
    Variable Index: Variables
    }  # Group: Index
 

kernel/gdt.s

@@ -5,6 +5,9 @@ section .text
 global setup_gdt
 setup_gdt:
 	lgdt [gdt_ptr]
+	mov eax, cr0
+	or al, 1
+	mov cr0, eax
 	jmp 0x08:.flush_cs
 .flush_cs:
 	mov ax, 0x10 ; data segment
@@ -28,7 +31,7 @@ gdt_entries:
 
 	;; kernel mode code segment
 	dw 0xFFFF ; Limit
-	dw 0x00   ; Base (low)
+	dw 0x0000 ; Base (low)
 	db 0x00   ; Base (mid)
 	db 0x9A   ; Access: 1 (P) 0 (DPL), 1 (S), 1010 (Type)
 	db 0xCF   ; Granularity: 1 (G), 1 (D/B), 0 (AVL), Limit
@@ -36,7 +39,7 @@ gdt_entries:
 
 	;; kernel mode data segment
 	dw 0xFFFF
-	dw 0x00
+	dw 0x0000
 	db 0x00
 	db 0x92
 	db 0xCF
@@ -44,7 +47,7 @@ gdt_entries:
 
 	;; user mode code segment
 	dw 0xFFFF
-	dw 0x00
+	dw 0x0000
 	db 0x00
 	db 0xFA
 	db 0xCF
@@ -52,7 +55,7 @@ gdt_entries:
 
 	;; user mode data segment
 	dw 0xFFFF
-	dw 0x00
+	dw 0x0000
 	db 0x00
 	db 0xF2
 	db 0xCF

kernel/head.s

@@ -62,8 +62,11 @@ entry:
 	extern setup_gdt
 	call setup_gdt
 
-	extern setup_pic
-	call setup_pic
+	;extern setup_pic
+	;call setup_pic
+	mov al, 0xff
+	out 0xa1, al
+	out 0x21, al
 
 	extern setup_idt
 	call setup_idt

kernel/idt.s

@@ -16,7 +16,7 @@ extern isr %+ i
 
 	; zero (skip)
 	; attr:  1 (Present) 00 (DPL) 0 1 (D: 32bits) 110
-	mov byte [idt_entries + (i * 8) + 5], 0x8E
+	mov byte [idt_entries + (i * 8) + 5], 0x8F
 
 	; offset (high)
 	shr eax, 16

kernel/isr.s

@@ -15,7 +15,6 @@ isr%1:
 global isr%1
 isr%1:
 	xchg bx, bx
-	push dword 1
 	push dword %1
 	jmp isr_handler
 %endmacro
@@ -86,17 +85,16 @@ ISR_NO_ERR 31
 
 panic:
 	LOG msg_interrupt
-	htl
-	jmp panic
+	;htl
+	;jmp panic
+	ret
 
-global isr_handler
+;global isr_handler
 isr_handler:
 	push ds
 	push es
 	push fs
 	push gs
-	mov edi, 0x11111111
-	mov eax, 0xAAAAAAAA
 	pusha
 
 	mov ax, 0x10				; data segment
@@ -105,7 +103,7 @@ isr_handler:
 	mov fs, ax
 	mov gs, ax
 
-	call panic
+	LOG msg_interrupt
 
 	;extern pic_eoi
 	;call pic_eoi

kernel/pmm.s

@@ -80,10 +80,11 @@ init_bitmap:
 	push edi
 
 	mov ecx, [bitmap_info]
-	mov al, 0xFF
 	mov edi, [bitmap_info + bitmap.addr]
 	rep stosb
 
+	xchg bx, bx
+
 	pop edi
 	leave
 	ret
@@ -203,7 +204,8 @@ setup_pmm_mmap:
 	mov [bitmap_info], eax
 
 .bitmap_size_already_set:
-	
+	mov edi, [ebp + 8]			; mb_mmap struct addr
+	mov esi, [ebp + 12]			; mmap length
 	inc ebx
 	cmp ebx, 2
 	jbe .loop
@@ -364,8 +366,10 @@ free_frames:
 	
 section .data
 bitmap_info:
-	dd 0 ; size
-	dd 0 ; ptr
+	istruc bitmap
+		at bitmap.length, dd 0
+		at bitmap.addr, dd 0
+	iend
 
 section .rodata
 warn_no_mmap db "[WARN] mmap flag not set", 0
@@ -377,5 +381,6 @@ msg_mem_block db "Free Memory:", 0xA
 	db 0x9, "Address: %x", 0xA
 	db 0x9, "Length: %x", 0
 msg_max_mem db "Max memory: %x", 0
+msg_dump_x db "dump: %x", 0
 msg_bitmap_stored_at db "Bitmap stored at: %x", 0
 file db __FILE__, 0

lib/base/log.s

@@ -1,3 +1,4 @@
+; file: log.s
 [BITS 32]
 
 %ifdef __KERNEL__
@@ -5,7 +6,8 @@ extern serial_write
 %endif
 
 section .text
-
+; Function: putstr
+;
 putstr:
 	push ebp
 	mov ebp, esp
@@ -29,6 +31,8 @@ putstr:
 	leave
 	ret
 
+; Function: puthex
+;
 puthex:
 	push ebp
 	mov ebp, esp
@@ -64,6 +68,8 @@ puthex:
 	leave
 	ret
 
+; Function: log_impl
+;
 global log_impl
 log_impl:
 	push ebp