From 603863d00ce69c4bbd3eb90b6213e3a0075ad139 Mon Sep 17 00:00:00 2001
From: "Evgeny Grechnikov (Diamond)" <diamondz@land.ru>
Date: Mon, 2 Oct 2006 12:21:10 +0000
Subject: [PATCH] Added copyright strings for author of DMA HDD code (Mario79).
 Fixed error handling in hd_drv.inc.

git-svn-id: svn://kolibrios.org@161 a494cfbc-eb01-0410-851d-a64ba20cac60
---
 kernel/trunk/blkdev/hd_drv.inc | 12 +++++++-----
 kernel/trunk/boot/bootcode.inc |  3 +++
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/kernel/trunk/blkdev/hd_drv.inc b/kernel/trunk/blkdev/hd_drv.inc
index c10b9db4c4..c05c57deba 100755
--- a/kernel/trunk/blkdev/hd_drv.inc
+++ b/kernel/trunk/blkdev/hd_drv.inc
@@ -1,3 +1,5 @@
+; Low-level driver for HDD access
+; DMA support by Mario79
 
 ;**************************************************************************
 ;
@@ -431,8 +433,7 @@ hd_read_error:
     mov   esi,hd_read_str
     call  sys_msg_board_str
     pop   edx eax
-    jmp    return_01
-;    jmp   $
+    ret
 
 hd_write_error:
 
@@ -440,8 +441,7 @@ hd_write_error:
     call  clear_application_table_status
     mov   esi,hd_write_str
     call  sys_msg_board_str
-    jmp    return_02
-;    jmp   $
+    ret
 
 hd_write_error_dma:
         call    clear_hd_cache
@@ -449,7 +449,7 @@ hd_write_error_dma:
         mov     esi, hd_write_str
         call    sys_msg_board_str
         pop     esi
-        jmp     return_02
+        ret
 
 hd_lba_error:
     call  clear_hd_cache
@@ -520,6 +520,7 @@ wait_for_sector_buffer:
     pop   edx eax
     ret
 
+; \begin{Mario79}
 align 4
 wait_for_sector_dma_ide0:
         push    eax
@@ -852,3 +853,4 @@ do_write_dma:
 uglobal
 IDEContrRegsBaseAddr    dw      ?
 endg
+; \end{Mario79}
diff --git a/kernel/trunk/boot/bootcode.inc b/kernel/trunk/boot/bootcode.inc
index 2b1c76f951..168ae9d7aa 100644
--- a/kernel/trunk/boot/bootcode.inc
+++ b/kernel/trunk/boot/bootcode.inc
@@ -364,6 +364,8 @@ sayerr:
         push    0
         pop     es
         and     word [es:0x9031], 0
+; \begin{Mario79}
+; find HDD IDE DMA PCI device
 ; check for PCI BIOS
         mov     ax, 0xB101
         int     0x1A
@@ -400,6 +402,7 @@ sayerr:
         and     cx, 0xFFF0      ; clear address decode type
         mov     [es:0x9031], cx
 .nopci:
+; \end{Mario79}
 
     mov   al,0xf6         ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå
     out   0x60,al