qemu/pc-bios/bios.diff

Index: BIOS-bochs-latest
===================================================================
RCS file: /cvsroot/bochs/bochs/bios/BIOS-bochs-latest,v
retrieving revision 1.133
diff -u -w -r1.133 BIOS-bochs-latest
Binary files /tmp/cvsrjjP5I and BIOS-bochs-latest differ
Index: rombios.c
===================================================================
RCS file: /cvsroot/bochs/bochs/bios/rombios.c,v
retrieving revision 1.170
diff -u -w -r1.170 rombios.c
--- rombios.c	30 Sep 2006 11:22:53 -0000	1.170
+++ rombios.c	1 Oct 2006 16:03:53 -0000
@@ -4115,7 +4115,7 @@
                     case 3:
                         set_e820_range(ES, regs.u.r16.di, 
                                        0x00100000L, 
-                                       extended_memory_size - 0x10000L, 1);
+                                       extended_memory_size - ACPI_DATA_SIZE, 1);
                         regs.u.r32.ebx = 4;
                         regs.u.r32.eax = 0x534D4150;
                         regs.u.r32.ecx = 0x14;
@@ -4124,7 +4124,7 @@
                         break;
                     case 4:
                         set_e820_range(ES, regs.u.r16.di, 
-                                       extended_memory_size - 0x10000L, 
+                                       extended_memory_size - ACPI_DATA_SIZE, 
                                        extended_memory_size, 3); // ACPI RAM
                         regs.u.r32.ebx = 5;
                         regs.u.r32.eax = 0x534D4150;
@@ -8723,7 +8723,7 @@
 
 .align 16
 bios32_entry_point:
-  pushf
+  pushfd
   cmp eax, #0x49435024 ;; "$PCI"
   jne unknown_service
   mov eax, #0x80000000
@@ -8750,12 +8750,12 @@
 #ifdef BX_QEMU
   and dword ptr[esp+8],0xfffffffc ;; reset CS.RPL for kqemu
 #endif
-  popf
+  popfd
   retf
 
 .align 16
 pcibios_protected:
-  pushf
+  pushfd
   cli
   push esi
   push edi
@@ -8864,7 +8864,7 @@
 #ifdef BX_QEMU
   and dword ptr[esp+8],0xfffffffc ;; reset CS.RPL for kqemu
 #endif
-  popf
+  popfd
   stc
   retf
 pci_pro_ok:
@@ -8874,7 +8874,7 @@
 #ifdef BX_QEMU
   and dword ptr[esp+8],0xfffffffc ;; reset CS.RPL for kqemu
 #endif
-  popf
+  popfd
   clc
   retf
 
Index: rombios.h
===================================================================
RCS file: /cvsroot/bochs/bochs/bios/rombios.h,v
retrieving revision 1.1
diff -u -w -r1.1 rombios.h
--- rombios.h	30 Sep 2006 11:22:53 -0000	1.1
+++ rombios.h	1 Oct 2006 16:03:54 -0000
@@ -19,7 +19,7 @@
 //  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 
 /* define it to include QEMU specific code */
-//#define BX_QEMU
+#define BX_QEMU
 
 #define BX_ROMBIOS32     1
 #define DEBUG_ROMBIOS    0
@@ -48,3 +48,7 @@
 #endif
 #define BX_INFO(format, p...)   bios_printf(BIOS_PRINTF_INFO, format, ##p)
 #define BX_PANIC(format, p...)  bios_printf(BIOS_PRINTF_DEBHALT, format, ##p)
+
+#define ACPI_DATA_SIZE    0x00010000L
+#define PM_IO_BASE        0xb000
+#define CPU_COUNT_ADDR    0xf000
Index: rombios32.c
===================================================================
RCS file: /cvsroot/bochs/bochs/bios/rombios32.c,v
retrieving revision 1.4
diff -u -w -r1.4 rombios32.c
--- rombios32.c	30 Sep 2006 11:22:53 -0000	1.4
+++ rombios32.c	1 Oct 2006 16:03:54 -0000
@@ -55,13 +55,10 @@
 
 #define APIC_ENABLED 0x0100
 
-#define CPU_COUNT_ADDR 0xf000
 #define AP_BOOT_ADDR 0x10000
 
 #define MPTABLE_MAX_SIZE  0x00002000
-#define ACPI_DATA_SIZE    0x00010000
 #define SMI_CMD_IO_ADDR   0xb2
-#define PM_IO_BASE        0xb000
 
 #define BIOS_TMP_STORAGE  0x00030000 /* 64 KB used to copy the BIOS to shadow RAM */
 
@@ -354,12 +351,14 @@
 
 void delay_ms(int n)
 {
-    int i, j, r1, r2;
+    int i, j;
     for(i = 0; i < n; i++) {
-#if BX_QEMU
+#ifdef BX_QEMU
         /* approximative ! */
         for(j = 0; j < 1000000; j++);
 #else
+        {
+            int r1, r2;
         j = 66;
         r1 = inb(0x61) & 0x10;
         do {
@@ -369,6 +368,7 @@
                 r1 = r2;
             }
         } while (j > 0);
+        }
 #endif
     }
 }
Index: rombios32start.S
===================================================================
RCS file: /cvsroot/bochs/bochs/bios/rombios32start.S,v
retrieving revision 1.1
diff -u -w -r1.1 rombios32start.S
--- rombios32start.S	28 Sep 2006 18:56:20 -0000	1.1
+++ rombios32start.S	1 Oct 2006 16:03:54 -0000
@@ -1,3 +1,25 @@
+/////////////////////////////////////////////////////////////////////////
+// $Id: bios.diff,v 1.15 2006-10-01 16:08:15 bellard Exp $
+/////////////////////////////////////////////////////////////////////////
+//
+//  32 bit Bochs BIOS init code
+//  Copyright (C) 2006 Fabrice Bellard
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library 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
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+#include "rombios.h"
+
 .globl _start
 .globl smp_ap_boot_code_start
 .globl smp_ap_boot_code_end
@@ -6,8 +28,6 @@
 .global smm_code_start
 .global smm_code_end
 
-#define PM_IO_BASE        0xb000
-
 _start:
   /* clear bss section */
   xor %eax, %eax
@@ -18,13 +38,11 @@
 
   jmp rombios32_init
 
-#define CPU_COUNT 0xf000
-
   .code16                        
 smp_ap_boot_code_start:
   xor %ax, %ax
   mov %ax, %ds
-  incw CPU_COUNT
+  incw CPU_COUNT_ADDR
 1:
   hlt
   jmp 1b
@@ -33,7 +51,7 @@
 /* code to relocate SMBASE to 0xa0000 */
 smm_relocation_start:
   mov $0x38000 + 0x7efc, %ebx
-  mov (%ebx), %al  /* revision ID to see if x86_64 or x86 */
+  addr32 mov (%ebx), %al  /* revision ID to see if x86_64 or x86 */
   cmp $0x64, %al
   je 1f
   mov $0x38000 + 0x7ef8, %ebx
@@ -42,7 +60,7 @@
   mov $0x38000 + 0x7f00, %ebx
 2:
   movl $0xa0000, %eax
-  movl %eax, (%ebx)
+  addr32 movl %eax, (%ebx)
   rsm                
 smm_relocation_end: