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-rw-r--r--.gitignore1
-rw-r--r--pc-bios/README6
-rw-r--r--pc-bios/bios-pq/0001_bx-qemu.patch11
-rw-r--r--pc-bios/bios-pq/0002_e820-high-mem.patch (renamed from pc-bios/bios.diff)64
-rw-r--r--pc-bios/bios-pq/0003_smp-startup-poll.patch21
-rw-r--r--pc-bios/bios-pq/0004_no-stack-protector.patch21
-rw-r--r--pc-bios/bios-pq/HEAD1
-rw-r--r--pc-bios/bios-pq/series4
-rw-r--r--pc-bios/bios.binbin131072 -> 131072 bytes
9 files changed, 87 insertions, 42 deletions
diff --git a/.gitignore b/.gitignore
index 0f4af35a1c..fffd440d2c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,3 +32,4 @@ qemu-nbd.pod
*.d
.pc
patches
+pc-bios/bios-pq/status
diff --git a/pc-bios/README b/pc-bios/README
index ac8fc47263..bacf6c38b2 100644
--- a/pc-bios/README
+++ b/pc-bios/README
@@ -1,5 +1,7 @@
-- The PC BIOS comes from the Bochs project
- (http://bochs.sourceforge.net/). A patch from bios.diff was applied.
+- The PC BIOS comes from the Bochs project (http://bochs.sourceforge.net/).
+ The patches in bios-pq have been applied. The binary is based on the revision
+ in bios-pq/HEAD with the patches in bios-pq/series applied. The git repo
+ that HEAD refers to is located at http://repo.or.cz/w/bochs-mirror.git
- The VGA BIOS and the Cirrus VGA BIOS come from the LGPL VGA bios
project (http://www.nongnu.org/vgabios/).
diff --git a/pc-bios/bios-pq/0001_bx-qemu.patch b/pc-bios/bios-pq/0001_bx-qemu.patch
new file mode 100644
index 0000000000..ffca6b9ae5
--- /dev/null
+++ b/pc-bios/bios-pq/0001_bx-qemu.patch
@@ -0,0 +1,11 @@
+--- bochs-2.3.7.orig/bios/rombios.h
++++ bochs-2.3.7/bios/rombios.h
+@@ -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
+
+ #ifndef LEGACY
+ # define BX_ROMBIOS32 1
diff --git a/pc-bios/bios.diff b/pc-bios/bios-pq/0002_e820-high-mem.patch
index da510db803..2886e85669 100644
--- a/pc-bios/bios.diff
+++ b/pc-bios/bios-pq/0002_e820-high-mem.patch
@@ -1,17 +1,16 @@
---- bochs-2.3.7.orig/bios/rombios.h
-+++ bochs-2.3.7/bios/rombios.h
-@@ -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
-
- #ifndef LEGACY
- # define BX_ROMBIOS32 1
---- bochs-2.3.7.orig/bios/rombios.c
-+++ bochs-2.3.7/bios/rombios.c
-@@ -4404,22 +4404,25 @@
+From: Izik Eidus <izike@qumranet.com>
+
+add support to memory above the pci hole
+
+the new memory region is mapped after address 0x100000000,
+the bios take the size of the memory after the 0x100000000 from
+three new cmos bytes.
+
+diff --git a/bios/rombios.c b/bios/rombios.c
+index 1be0816..b70f249 100644
+--- a/bios/rombios.c
++++ b/bios/rombios.c
+@@ -4442,22 +4442,25 @@ BX_DEBUG_INT15("case default:\n");
#endif // BX_USE_PS2_MOUSE
@@ -40,7 +39,7 @@
write_word(ES, DI+14, 0x0000);
write_word(ES, DI+16, type);
-@@ -4432,7 +4435,9 @@
+@@ -4470,7 +4473,9 @@ int15_function32(regs, ES, DS, FLAGS)
Bit16u ES, DS, FLAGS;
{
Bit32u extended_memory_size=0; // 64bits long
@@ -50,7 +49,7 @@
BX_DEBUG_INT15("int15 AX=%04x\n",regs.u.r16.ax);
-@@ -4506,11 +4511,18 @@
+@@ -4544,11 +4549,18 @@ ASM_END
extended_memory_size += (1L * 1024 * 1024);
}
@@ -65,21 +64,21 @@
{
case 0:
set_e820_range(ES, regs.u.r16.di,
-- 0x0000000L, 0x0009fc00L, 1);
-+ 0x0000000L, 0x0009fc00L, 0, 0, 1);
+- 0x0000000L, 0x0009f000L, 1);
++ 0x0000000L, 0x0009f000L, 0, 0, 1);
regs.u.r32.ebx = 1;
regs.u.r32.eax = 0x534D4150;
regs.u.r32.ecx = 0x14;
-@@ -4519,7 +4531,7 @@
+@@ -4557,7 +4569,7 @@ ASM_END
break;
case 1:
set_e820_range(ES, regs.u.r16.di,
-- 0x0009fc00L, 0x000a0000L, 2);
-+ 0x0009fc00L, 0x000a0000L, 0, 0, 2);
+- 0x0009f000L, 0x000a0000L, 2);
++ 0x0009f000L, 0x000a0000L, 0, 0, 2);
regs.u.r32.ebx = 2;
regs.u.r32.eax = 0x534D4150;
regs.u.r32.ecx = 0x14;
-@@ -4528,7 +4540,7 @@
+@@ -4566,7 +4578,7 @@ ASM_END
break;
case 2:
set_e820_range(ES, regs.u.r16.di,
@@ -88,7 +87,7 @@
regs.u.r32.ebx = 3;
regs.u.r32.eax = 0x534D4150;
regs.u.r32.ecx = 0x14;
-@@ -4539,7 +4551,7 @@
+@@ -4577,7 +4589,7 @@ ASM_END
#if BX_ROMBIOS32
set_e820_range(ES, regs.u.r16.di,
0x00100000L,
@@ -97,7 +96,7 @@
regs.u.r32.ebx = 4;
#else
set_e820_range(ES, regs.u.r16.di,
-@@ -4555,7 +4567,7 @@
+@@ -4593,7 +4605,7 @@ ASM_END
case 4:
set_e820_range(ES, regs.u.r16.di,
extended_memory_size - ACPI_DATA_SIZE,
@@ -106,7 +105,7 @@
regs.u.r32.ebx = 5;
regs.u.r32.eax = 0x534D4150;
regs.u.r32.ecx = 0x14;
-@@ -4565,7 +4577,20 @@
+@@ -4603,7 +4615,20 @@ ASM_END
case 5:
/* 256KB BIOS area at the end of 4 GB */
set_e820_range(ES, regs.u.r16.di,
@@ -128,18 +127,3 @@
regs.u.r32.ebx = 0;
regs.u.r32.eax = 0x534D4150;
regs.u.r32.ecx = 0x14;
---- bochs-2.3.7.orig/bios/rombios32.c
-+++ bochs-2.3.7/bios/rombios32.c
-@@ -479,7 +479,12 @@
- sipi_vector = AP_BOOT_ADDR >> 12;
- writel(APIC_BASE + APIC_ICR_LOW, 0x000C4600 | sipi_vector);
-
-+#ifndef BX_QEMU
- delay_ms(10);
-+#else
-+ while (cmos_readb(0x5f) + 1 != readw((void *)CPU_COUNT_ADDR))
-+ ;
-+#endif
-
- smp_cpus = readw((void *)CPU_COUNT_ADDR);
- }
diff --git a/pc-bios/bios-pq/0003_smp-startup-poll.patch b/pc-bios/bios-pq/0003_smp-startup-poll.patch
new file mode 100644
index 0000000000..cd1a3ff034
--- /dev/null
+++ b/pc-bios/bios-pq/0003_smp-startup-poll.patch
@@ -0,0 +1,21 @@
+From: Avi Kivity <avi@qumranet.com>
+
+instead of timing out, wait until all cpus are up
+
+diff --git a/bios/rombios32.c b/bios/rombios32.c
+index ef98a41..05ba40d 100644
+--- a/bios/rombios32.c
++++ b/bios/rombios32.c
+@@ -512,7 +512,12 @@ void smp_probe(void)
+ sipi_vector = AP_BOOT_ADDR >> 12;
+ writel(APIC_BASE + APIC_ICR_LOW, 0x000C4600 | sipi_vector);
+
++#ifndef BX_QEMU
+ delay_ms(10);
++#else
++ while (cmos_readb(0x5f) + 1 != readw(&smp_cpus))
++ ;
++#endif
+ }
+ BX_INFO("Found %d cpu(s)\n", readw(&smp_cpus));
+ }
diff --git a/pc-bios/bios-pq/0004_no-stack-protector.patch b/pc-bios/bios-pq/0004_no-stack-protector.patch
new file mode 100644
index 0000000000..a5f7bbc15c
--- /dev/null
+++ b/pc-bios/bios-pq/0004_no-stack-protector.patch
@@ -0,0 +1,21 @@
+Disable stack protector for BIOS
+
+Some distro GCCs (like Ubuntu) enable stack protection by default. Since the
+BIOS doesn't link against libgcc, this results in undefined references unless
+the stack protector is disabled.
+
+Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
+
+diff --git a/bios/Makefile.in b/bios/Makefile.in
+index af674b4..5c7bd4f 100644
+--- a/bios/Makefile.in
++++ b/bios/Makefile.in
+@@ -41,7 +41,7 @@ RANLIB = @RANLIB@
+
+ BCC = bcc
+ GCC = gcc
+-GCC32 = gcc -m32
++GCC32 = gcc -m32 -fno-stack-protector
+ AS86 = as86
+
+ BX_INCDIRS = -I.. -I$(srcdir)/.. -I../iodev -I$(srcdir)/../iodev
diff --git a/pc-bios/bios-pq/HEAD b/pc-bios/bios-pq/HEAD
new file mode 100644
index 0000000000..251c985209
--- /dev/null
+++ b/pc-bios/bios-pq/HEAD
@@ -0,0 +1 @@
+8d4e158f0ea5fa00fa0276f487ff21609fbb0894
diff --git a/pc-bios/bios-pq/series b/pc-bios/bios-pq/series
new file mode 100644
index 0000000000..96a4f9d8dc
--- /dev/null
+++ b/pc-bios/bios-pq/series
@@ -0,0 +1,4 @@
+0001_bx-qemu.patch
+0002_e820-high-mem.patch
+0003_smp-startup-poll.patch
+0004_no-stack-protector.patch
diff --git a/pc-bios/bios.bin b/pc-bios/bios.bin
index 715aed365a..4aa218b28c 100644
--- a/pc-bios/bios.bin
+++ b/pc-bios/bios.bin
Binary files differ
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-02 16:45:27 +0000