boot time allocator

git-svn-id: svn://kolibrios.org@841 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/branches/kolibri_pe/const.inc

@@ -330,7 +330,9 @@ virtual at              (OS_BASE+0x033CF80)
   tss  TSS
 end virtual
 
-sys_pgmap           equ (OS_BASE+0x033F000)
+LAST_PAGE           equ 0x0340000
+
+sys_pgmap           equ (OS_BASE+LAST_PAGE)
 
 twdw                equ 0x3000   ;(CURRENT_TASK-window_data)
 

kernel/branches/kolibri_pe/core/heap.inc

@@ -102,8 +102,8 @@ init_kernel_heap:
            not eax
            rep stosd
 
-           stdcall alloc_pages, dword 32
+           mov ecx, 128*1024
-           add eax, OS_BASE
+           fastcall _balloc
 
            mov [mem_block_start], mem_block_map
            mov [mem_block_end], mem_block_map+512

kernel/branches/kolibri_pe/core/memory.inc

@@ -1306,3 +1306,14 @@ proc create_ring_buffer stdcall, size:dword, flags:dword
 endp
 
 
+align 4
+_balloc:   ; gcc fastcall
+
+           mov eax, [_last_page]
+           add ecx, 4095
+           and ecx, -4096
+           add ecx, eax
+           mov [_last_page], ecx
+           add eax, OS_BASE
+           ret
+

kernel/branches/kolibri_pe/data32.inc

@@ -109,6 +109,9 @@ vrr_m	       db  'VRR_M',0
 kernel_file    db  'KERNEL  MNT'
 
 align 4
+
+_last_page     dd LAST_PAGE
+
                      ;supported videomodes
 mode_1280_1024_32:
   dw 1280,1024,32,60

kernel/branches/kolibri_pe/kernel.asm

@@ -58,6 +58,8 @@ include 'macros.inc'
 $Revision$
 
 
+fastcall equ call
+
 USE_COM_IRQ equ 1      ;make irq 3 and irq 4 available for PCI devices
 
 include "proc32.inc"
@@ -320,7 +322,8 @@ init_mem:
            shr eax, 3
            and eax, -4
            mov [pg_data.pagemap_size], eax
-
+           mov ecx, eax
+           fastcall _balloc
            ret
 
 align 4
@@ -333,7 +336,9 @@ init_page_map:
            cld
            rep stosd
 
-           mov ecx, 0x800000                        ;reserve 8 Mb
+           xchg bx, bx
+
+           mov ecx, [_last_page]
            mov edx, [pg_data.pages_count]
            shr ecx, 12
            sub edx, ecx
@@ -395,6 +400,43 @@ high_code:
 
            call init_mem
 
+           mov ecx, 1280*1024
+           fastcall _balloc
+           mov [_display_data], eax
+
+           mov ecx, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
+                    (unpack.lc+unpack.lp)))*4
+           fastcall _balloc
+           mov [unpack.p], eax
+
+           mov ecx, (RING0_STACK_SIZE+512)
+           fastcall _balloc
+           mov [os_stack_seg], eax
+
+	   lea esp, [eax+RING0_STACK_SIZE]
+
+	   mov [tss._ss0], os_stack
+	   mov [tss._esp0], esp
+	   mov [tss._esp], esp
+	   mov [tss._cs],os_code
+	   mov [tss._ss],os_stack
+	   mov [tss._ds],app_data
+	   mov [tss._es],app_data
+	   mov [tss._fs],app_data
+	   mov [tss._gs],app_data
+	   mov [tss._io],128
+;Add IO access table - bit array of permitted ports
+	   mov edi, tss._io_map_0
+	   xor eax, eax
+	   not eax
+	   mov ecx, 8192/4
+	   rep stosd		     ; access to 4096*8=65536 ports
+
+	   mov	ax,tss0
+	   ltr	ax
+
+           call init_kernel_heap     ; FIXME initialize heap after pager
+
            call init_page_map
 
 
@@ -548,34 +590,6 @@ high_code:
 	   call build_interrupt_table
 	   lidt [idtreg]
 
-	   call init_kernel_heap
-
-           stdcall alloc_pages, (RING0_STACK_SIZE+512) shr 12
-           add eax, OS_BASE
-	   mov [os_stack_seg], eax
-
-	   lea esp, [eax+RING0_STACK_SIZE]
-
-	   mov [tss._ss0], os_stack
-	   mov [tss._esp0], esp
-	   mov [tss._esp], esp
-	   mov [tss._cs],os_code
-	   mov [tss._ss],os_stack
-	   mov [tss._ds],app_data
-	   mov [tss._es],app_data
-	   mov [tss._fs],app_data
-	   mov [tss._gs],app_data
-	   mov [tss._io],128
-;Add IO access table - bit array of permitted ports
-	   mov edi, tss._io_map_0
-	   xor eax, eax
-	   not eax
-	   mov ecx, 8192/4
-	   rep stosd		     ; access to 4096*8=65536 ports
-
-	   mov	ax,tss0
-	   ltr	ax
-
            mov [LFBSize], 0x800000
 	   call init_LFB
            call init_fpu
@@ -609,15 +623,6 @@ high_code:
 	   add eax, ebx
 	   mov [ipc_ptab], eax
 
-           stdcall alloc_pages, (1280*1024)/4096
-           add eax, OS_BASE
-           mov [_display_data], eax
-
-	   stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
-				 (unpack.lc+unpack.lp)))*4
-
-	   mov [unpack.p], eax
-
 	   call init_events
 	   mov eax, srv.fd-SRV_FD_OFFSET
 	   mov [srv.fd], eax
@@ -933,18 +938,11 @@ first_app_found:
 
 	; wait until 8042 is ready
 	xor ecx,ecx
-      @@:
+@@:
 	in     al,64h
 	and    al,00000010b
 	loopnz @b
 
-       ; mov   al, 0xED       ; svetodiody - only for testing!
-       ; call  kb_write
-       ; call  kb_read
-       ; mov   al, 111b
-       ; call  kb_write
-       ; call  kb_read
-
 	mov   al, 0xF3	     ; set repeat rate & delay
 	call  kb_write
 ;        call  kb_read