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Synchronize memmap.inc and const.inc, replace hardcoded numbers with macros.

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git-svn-id: svn://kolibrios.org@7122 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Ivan B
2017-11-29 22:03:58 +00:00
parent 16d9a4a4bc
commit 09684c0db9
12 changed files with 78 additions and 68 deletions
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18
kernel/trunk/detect/biosmem.inc
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@@ -1,6 +1,6 @@
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2009-2015. All rights reserved. ;;
;; Copyright (C) KolibriOS team 2009-2017. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -17,25 +17,25 @@ $Revision$
xor ebx, ebx
mov es, bx
mov ds, bx
mov di, 0x9104
mov [di-4], ebx ; no blocks yet
mov di, BOOT_MEMMAP_BLOCKS
mov [BOOT_MEMMAP_BLOCK_CNT], ebx ; no blocks yet
mov ecx, 20
mov edx, 0x534D4150
mov edx, 'PAMS' ; 'SMAP'
int 15h
jc no_E820
cmp eax, 0x534D4150
cmp eax, 'PAMS'
jnz no_E820
e820_mem_loop:
; cmp byte [di+16], 1 ; ignore non-free areas
; jnz e820_mem_next
inc byte [0x9100]
add di, 20
inc byte [BOOT_MEMMAP_BLOCK_CNT]
add di, sizeof.e820entry
e820_mem_next:
; consequent calls to fn E820
test ebx, ebx
jz e820_test_done
cmp byte [0x9100], 32
jae e820_test_done
cmp byte [BOOT_MEMMAP_BLOCK_CNT], MAX_MEMMAP_BLOCKS
jz e820_test_done
mov eax, 0xE820
int 15h
jc e820_test_done