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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-10-02 18:35:39 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-10-02 18:35:39 +0000
commite3e97e7c90f4a40a56ea05f3a34f267edf41c9ed (patch)
tree4f2ee3340a2e9c09e4863f595574aa58f866817e /pc-bios
parent47d02f6d5c25a3858bc9d895d14ccfb5e8e6c1b8 (diff)
do not generate MP table if one CPU (no APIC in QEMU in this case) - added wbinvd (ignored in QEMU but useful on real hardware)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2191 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'pc-bios')
-rw-r--r--pc-bios/bios.binbin131072 -> 131072 bytes
-rw-r--r--pc-bios/bios.diff241
2 files changed, 46 insertions, 195 deletions
diff --git a/pc-bios/bios.bin b/pc-bios/bios.bin
index 1af4a4f0e5..0161bde0f0 100644
--- a/pc-bios/bios.bin
+++ b/pc-bios/bios.bin
Binary files differ
diff --git a/pc-bios/bios.diff b/pc-bios/bios.diff
index 0bb1d345c9..c355befc9d 100644
--- a/pc-bios/bios.diff
+++ b/pc-bios/bios.diff
@@ -1,83 +1,10 @@
-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
+retrieving revision 1.2
+diff -u -w -r1.2 rombios.h
+--- rombios.h 1 Oct 2006 16:39:18 -0000 1.2
++++ rombios.h 2 Oct 2006 18:31:41 -0000
@@ -19,7 +19,7 @@
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
@@ -87,132 +14,56 @@ diff -u -w -r1.1 rombios.h
#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 @@
+retrieving revision 1.6
+diff -u -w -r1.6 rombios32.c
+--- rombios32.c 2 Oct 2006 06:29:37 -0000 1.6
++++ rombios32.c 2 Oct 2006 18:31:41 -0000
+@@ -45,6 +45,8 @@
+ : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) \
+ : "0" (index))
- #define APIC_ENABLED 0x0100
++#define wbinvd() asm volatile("wbinvd")
++
+ #define CPUID_APIC (1 << 9)
--#define CPU_COUNT_ADDR 0xf000
- #define AP_BOOT_ADDR 0x10000
+ #define APIC_BASE ((uint8_t *)0xfee00000)
+@@ -591,6 +593,7 @@
+ PCIDevice *d = &i440_pcidev;
+ int v;
- #define MPTABLE_MAX_SIZE 0x00002000
--#define ACPI_DATA_SIZE 0x00010000
- #define SMI_CMD_IO_ADDR 0xb2
--#define PM_IO_BASE 0xb000
++ wbinvd();
+ v = pci_config_readb(d, 0x59);
+ v = (v & 0x0f) | (0x10);
+ pci_config_writeb(d, 0x59, v);
+@@ -645,7 +648,7 @@
+ outb(0xb3, 0x01);
- #define BIOS_TMP_STORAGE 0x00030000 /* 64 KB used to copy the BIOS to shadow RAM */
+ /* raise an SMI interrupt */
+- outb(0xb2, 0x01);
++ outb(0xb2, 0x00);
-@@ -354,12 +351,14 @@
+ /* wait until SMM code executed */
+ while (inb(0xb3) != 0x00);
+@@ -656,6 +659,7 @@
+ /* copy the SMM code */
+ memcpy((void *)0xa8000, &smm_code_start,
+ &smm_code_end - &smm_code_start);
++ wbinvd();
+
+ /* close the SMM memory window and enable normal SMM */
+ pci_config_writeb(&i440_pcidev, 0x72, 0x02 | 0x08);
+@@ -848,6 +852,11 @@
+ int ioapic_id, i, len;
+ int mp_config_table_size;
- 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"
++ if (smp_cpus <= 1)
++ return;
++#endif
+
- .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:
-
+ #ifdef BX_USE_EBDA_TABLES
+ mp_config_table = (uint8_t *)(ram_size - ACPI_DATA_SIZE - MPTABLE_MAX_SIZE);
+ #else