Update to the latest Bochs BIOS

Update the PC BIOS to the latest version, split out the patches into 
patch series, and update the README to point to the new location of the 
Bochs BIOS source tree.

Also update the gitignore to allow the patch queue directory to be used.



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6077 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 21 insertions, 0 deletions

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));
+ }