From 9029f51d8ca9022c83a27a8220e7547cf5f90b3b Mon Sep 17 00:00:00 2001
From: Victor Perevertkin <victor.perevertkin@reactos.org>
Date: Mon, 4 Jan 2021 16:43:23 +0300
Subject: [PATCH] [UNIATA] Reduce the stack usage in AtapiDmaInit

---
 drivers/storage/ide/uniata/id_dma.cpp | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/drivers/storage/ide/uniata/id_dma.cpp b/drivers/storage/ide/uniata/id_dma.cpp
index 309e9040fa3..db6689088df 100644
--- a/drivers/storage/ide/uniata/id_dma.cpp
+++ b/drivers/storage/ide/uniata/id_dma.cpp
@@ -1328,10 +1328,17 @@ dma_cs55xx:
             apiomode = 4;
 
         if(ChipType == CYRIX_3x) {
+#ifdef __REACTOS__
+            static const ULONG cyr_piotiming[] =
+                { 0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010 };
+            static const ULONG cyr_wdmatiming[] = { 0x00077771, 0x00012121, 0x00002020 };
+            static const ULONG cyr_udmatiming[] = { 0x00921250, 0x00911140, 0x00911030 };
+#else
             ULONG cyr_piotiming[] =
                 { 0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010 };
             ULONG cyr_wdmatiming[] = { 0x00077771, 0x00012121, 0x00002020 };
             ULONG cyr_udmatiming[] = { 0x00921250, 0x00911140, 0x00911030 };
+#endif
             ULONG mode_reg = 0x24+(dev << 3);
 
             for(i=udmamode; i>=0; i--) {
@@ -1352,8 +1359,12 @@ dma_cs55xx:
             }
         } else
         if(ChipType == CYRIX_OLD) {
+#ifdef __REACTOS__
+            static const UCHAR cyr_piotiming_old[] = { 11, 6, 3, 2, 1 };
+#else
             UCHAR cyr_piotiming_old[] =
                 { 11, 6, 3, 2, 1 };
+#endif
             UCHAR timing;
 
             for(i=wdmamode; i>=0; i--) {
@@ -1411,12 +1422,20 @@ dma_cs55xx:
         /* National */
         /************/
         if(!ChipType) {
+#ifdef __REACTOS__
+            static const ULONG nat_piotiming[] =
+                { 0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010, 0x00803020,
+                  0x20102010, 0x00100010, 0x00100010, 0x00100010, 0x00100010 };
+            static const ULONG nat_dmatiming[] = { 0x80077771, 0x80012121, 0x80002020 };
+            static const ULONG nat_udmatiming[] = { 0x80921250, 0x80911140, 0x80911030 };
+#else
             ULONG nat_piotiming[] =
                { 0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010,
                   0x00803020, 0x20102010, 0x00100010,
                   0x00100010, 0x00100010, 0x00100010 };
             ULONG nat_dmatiming[] = { 0x80077771, 0x80012121, 0x80002020 };
             ULONG nat_udmatiming[] = { 0x80921250, 0x80911140, 0x80911030 };
+#endif
 
             if(apiomode >= 4)
                 apiomode = 4;
@@ -1534,9 +1553,15 @@ dma_cs55xx:
         ULONG  new40  = 0;
         UCHAR  mask44 = 0;
         UCHAR  new44  = 0;
+#ifdef __REACTOS__
+        static const UCHAR intel_timings[] =
+            { 0x00, 0x00, 0x10, 0x21, 0x23, 0x10, 0x21, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23, 0x23 };
+        static const UCHAR intel_utimings[] = { 0x00, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02 };
+#else
         UCHAR  intel_timings[] = { 0x00, 0x00, 0x10, 0x21, 0x23, 0x10, 0x21, 0x23,
-    		                   0x23, 0x23, 0x23, 0x23, 0x23, 0x23 };
+                               0x23, 0x23, 0x23, 0x23, 0x23, 0x23 };
         UCHAR  intel_utimings[] = { 0x00, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02 };
+#endif
 	const UCHAR needed_pio[3] = {
 		ATA_PIO0, ATA_PIO3, ATA_PIO4
 	};