17 Jun
2011
17 Jun
'11
8:36 a.m.
Author: tkreuzer
Date: Fri Jun 17 08:36:49 2011
New Revision: 52292
URL: http://svn.reactos.org/svn/reactos?rev=52292&view=rev
Log:
[FREELDR]
- Use new relmode code for PnpBios stuff
Added:
trunk/reactos/boot/freeldr/freeldr/arch/realmode/pnp.inc
trunk/reactos/boot/freeldr/freeldr/arch/realmode/pxe.inc
Modified:
trunk/reactos/boot/freeldr/freeldr/arch/i386/i386pnp.S
trunk/reactos/boot/freeldr/freeldr/arch/realmode/i386.S
trunk/reactos/boot/freeldr/freeldr/include/arch/pc/hardware.h
trunk/reactos/boot/freeldr/freeldr/include/arch/pc/x86common.h
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/i386pnp.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/i386pnp.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/i386pnp.S [iso-8859-1] Fri Jun 17
08:36:49 2011
@@ -28,11 +28,6 @@
*
* RETURNS:
*/
-_pnp_bios_entry_point:
- .long 0
-_pnp_bios_data_segment:
- .word 0
-
PUBLIC _PnpBiosSupported
_PnpBiosSupported:
@@ -82,11 +77,11 @@
mov ax, [esi + 15]
shl eax, 16
mov ax, [esi + 0x0D]
- mov _pnp_bios_entry_point, eax
+ mov [BSS_PnpBiosEntryPoint], eax
/* Store bios data segment */
mov ax, [esi + 0x1B]
- mov _pnp_bios_data_segment, ax
+ mov word ptr ds:[BSS_PnpBiosDataSegment], ax
pnp_not_found:
mov eax, edi
@@ -104,13 +99,6 @@
*
* RETURNS:
*/
-_pnp_result:
- .long 0
-_pnp_node_size:
- .word 0
-_pnp_node_count:
- .word 0
-
PUBLIC _PnpBiosGetDeviceNodeCount
_PnpBiosGetDeviceNodeCount:
@@ -120,39 +108,16 @@
pusha
push es
- call switch_to_real
- .code16
-
- mov ax, word ptr [_pnp_bios_data_segment]
- push ax
-
- push cs
- mov ax, offset _pnp_node_size
- push ax
-
- push cs
- mov ax, offset _pnp_node_count
- push ax
-
- push 0
-
- call dword ptr [_pnp_bios_entry_point]
- add sp, 12
-
- movzx ecx, ax
- mov _pnp_result, ecx
-
-
- call switch_to_prot
- .code32
+ mov bx, FNID_PnpBiosGetDeviceNodeCount
+ call i386CallRealMode
mov esi, [ebp + 8]
- mov ax, _pnp_node_size
+ mov ax, [BSS_PnpNodeSize]
movzx ecx, ax
mov [esi], ecx
mov esi, [ebp + 12]
- mov ax, _pnp_node_count
+ mov ax, [BSS_PnpNodeCount]
movzx ecx, ax
mov [esi], eax
@@ -162,7 +127,7 @@
mov esp, ebp
pop ebp
- mov eax, _pnp_result
+ mov eax, dword ptr [BSS_PnpResult]
ret
@@ -172,14 +137,6 @@
*
* RETURNS:
*/
-_pnp_buffer_segment:
- .word 0
-_pnp_buffer_offset:
- .word 0
-
-_pnp_node_number:
- .byte 0
-
EXTERN(_PnpBiosGetDeviceNode)
.code32
@@ -192,54 +149,23 @@
/* get current node number */
mov esi, [ebp + 8]
mov al, [esi]
- mov _pnp_node_number, al
+ mov [BSS_PnpNodeNumber], al
/* convert pointer to node buffer to segment/offset */
mov eax, [ebp + 12]
shr eax, 4
and eax, 0xf000
- mov _pnp_buffer_segment, ax
+ mov word ptr [BSS_PnpBiosBufferSegment], ax
mov eax, [ebp + 12]
and eax, 0xffff
- mov _pnp_buffer_offset, ax
+ mov [BSS_PnpBiosBufferOffset], ax
- call switch_to_real
- .code16
-
- /* push bios segment */
- mov ax, word ptr [_pnp_bios_data_segment]
- push ax
-
- /* push control flag */
- push 1
-
- /* push pointer to node buffer (segment/offset) */
- mov ax, word ptr [_pnp_buffer_segment]
- push ax
- mov ax, word ptr [_pnp_buffer_offset]
- push ax
-
- /* push pointer to node number (segment/offset) */
- push cs
- mov ax, offset _pnp_node_number
- push ax
-
- /* push function number */
- push 1
-
- /* call entry point */
- call dword ptr [_pnp_bios_entry_point]
- add sp, 14
-
- movzx ecx, ax
- mov _pnp_result, ecx
-
- call switch_to_prot
- .code32
+ mov bx, FNID_PnpBiosGetDeviceNode
+ call i386CallRealMode
/* update node number */
mov esi, [ebp + 8]
- mov al, _pnp_node_number
+ mov al, [BSS_PnpNodeNumber]
mov [esi], al
pop es
@@ -248,7 +174,7 @@
mov esp, ebp
pop ebp
- mov eax, _pnp_result
+ mov eax, [BSS_PnpResult]
ret
Modified: trunk/reactos/boot/freeldr/freeldr/arch/realmode/i386.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/realmode/i386.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/realmode/i386.S [iso-8859-1] Fri Jun 17
08:36:49 2011
@@ -123,11 +123,15 @@
nop
// FIXME: use ljmp16 PMODE_CS:inpmode + hexed 32bit jump
+
+
callback_table:
.word Int386
.word SoftReboot
.word ChainLoadBiosBootSectorCode
.word PxeCallApi
+ .word PnpBiosGetDeviceNodeCount
+ .word PnpBiosGetDeviceNode
/* 16-bit stack pointer */
@@ -180,6 +184,8 @@
//.org 1024
#include "int386.inc"
+#include "pxe.inc"
+#include "pnp.inc"
#include "helpers.inc"
.org (FREELDR_PE_BASE - FREELDR_BASE)
Added: trunk/reactos/boot/freeldr/freeldr/arch/realmode/pnp.inc
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/realmode/pnp.inc (added)
+++ trunk/reactos/boot/freeldr/freeldr/arch/realmode/pnp.inc [iso-8859-1] Fri Jun 17
08:36:49 2011
@@ -1,0 +1,58 @@
+
+
+PnpBiosGetDeviceNodeCount:
+
+ mov ax, word ptr [BSS_PnpBiosDataSegment]
+ push ax
+
+ push cs
+ mov ax, BSS_PnpNodeSize
+ push ax
+
+ push cs
+ mov ax, BSS_PnpNodeCount
+ push ax
+
+ push 0
+
+ call dword ptr [BSS_PnpBiosEntryPoint]
+ add sp, 12
+
+ movzx ecx, ax
+ mov dword ptr [BSS_PnpResult], ecx
+
+ ret
+
+
+PnpBiosGetDeviceNode:
+
+ /* push bios segment */
+ mov ax, word ptr [BSS_PnpBiosDataSegment]
+ push ax
+
+ /* push control flag */
+ push 1
+
+ /* push pointer to node buffer (segment/offset) */
+ mov ax, word ptr [BSS_PnpBiosBufferSegment]
+ push ax
+ mov ax, word ptr [BSS_PnpBiosBufferOffset]
+ push ax
+
+ /* push pointer to node number (segment/offset) */
+ push cs
+ mov ax, BSS_PnpNodeNumber
+ push ax
+
+ /* push function number */
+ push 1
+
+ /* call entry point */
+ call dword ptr [BSS_PnpBiosEntryPoint]
+ add sp, 14
+
+ movzx ecx, ax
+ mov [BSS_PnpResult], ecx
+
+ ret
+
Added: trunk/reactos/boot/freeldr/freeldr/arch/realmode/pxe.inc
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/realmode/pxe.inc (added)
+++ trunk/reactos/boot/freeldr/freeldr/arch/realmode/pxe.inc [iso-8859-1] Fri Jun 17
08:36:49 2011
@@ -1,0 +1,33 @@
+/*
+ * FreeLoader
+ * Copyright (C) 2011 Hervé Poussineau
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+
+PxeCallApi:
+
+ mov ax, [BSS_PxeBufferSegment]
+ push ax
+ mov ax, [BSS_PxeBufferOffset]
+ push ax
+ mov ax, [BSS_PxeFunction]
+ push ax
+ call dword ptr [BSS_PxeEntryPoint]
+ add esp, 6
+ mov [BSS_PxeResult], ax
+
+ ret
Modified: trunk/reactos/boot/freeldr/freeldr/include/arch/pc/hardware.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/inclu…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/include/arch/pc/hardware.h [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/include/arch/pc/hardware.h [iso-8859-1] Fri Jun 17
08:36:49 2011
@@ -71,15 +71,6 @@
/* hwpci.c */
VOID DetectPciBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber);
-/* i386cpu.S */
-ULONG CpuidSupported(VOID);
-VOID GetCpuid(ULONG Level,
- ULONG *eax,
- ULONG *ebx,
- ULONG *ecx,
- ULONG *edx);
-ULONGLONG RDTSC(VOID);
-
/* i386pnp.S */
ULONG_PTR PnpBiosSupported(VOID);
ULONG PnpBiosGetDeviceNodeCount(ULONG *NodeSize,
Modified: trunk/reactos/boot/freeldr/freeldr/include/arch/pc/x86common.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/inclu…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/include/arch/pc/x86common.h [iso-8859-1]
(original)
+++ trunk/reactos/boot/freeldr/freeldr/include/arch/pc/x86common.h [iso-8859-1] Fri Jun 17
08:36:49 2011
@@ -22,16 +22,24 @@
#define DISKREADBUFFER_SIZE 512
/* These addresses specify the realmode "BSS section" layout */
-#define BSS_RealModeEntry (BSS_START + 0)
-#define BSS_CallbackAddress (BSS_START + 4)
-#define BSS_CallbackReturn (BSS_START + 8)
-#define BSS_RegisterSet (BSS_START + 16) /* size = 36 */
-#define BSS_IntVector (BSS_START + 52)
-#define BSS_PxeEntryPoint (BSS_START + 56)
-#define BSS_PxeBufferSegment (BSS_START + 60)
-#define BSS_PxeBufferOffset (BSS_START + 64)
-#define BSS_PxeFunction (BSS_START + 68)
-#define BSS_PxeResult (BSS_START + 72)
+#define BSS_RealModeEntry (BSS_START + 0)
+#define BSS_CallbackAddress (BSS_START + 4)
+#define BSS_CallbackReturn (BSS_START + 8)
+#define BSS_RegisterSet (BSS_START + 16) /* size = 36 */
+#define BSS_IntVector (BSS_START + 52)
+#define BSS_PxeEntryPoint (BSS_START + 56)
+#define BSS_PxeBufferSegment (BSS_START + 60)
+#define BSS_PxeBufferOffset (BSS_START + 64)
+#define BSS_PxeFunction (BSS_START + 68)
+#define BSS_PxeResult (BSS_START + 72)
+#define BSS_PnpBiosEntryPoint (BSS_START + 76)
+#define BSS_PnpBiosDataSegment (BSS_START + 80)
+#define BSS_PnpBiosBufferSegment (BSS_START + 84)
+#define BSS_PnpBiosBufferOffset (BSS_START + 88)
+#define BSS_PnpNodeSize (BSS_START + 92)
+#define BSS_PnpNodeCount (BSS_START + 96)
+#define BSS_PnpNodeNumber (BSS_START + 100)
+#define BSS_PnpResult (BSS_START + 104)
/* Realmode function IDs */
@@ -39,6 +47,8 @@
#define FNID_SoftReboot 1
#define FNID_ChainLoadBiosBootSectorCode 2
#define FNID_PxeCallApi 3
+#define FNID_PnpBiosGetDeviceNodeCount 4
+#define FNID_PnpBiosGetDeviceNode 5
/* Layout of the REGS structure */
#define REGS_EAX 0
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tkreuzer＠svn.reactos.org