* Better docs for boot-up code
@ 2003-04-23 13:49 Pavel Machek
0 siblings, 0 replies; only message in thread
From: Pavel Machek @ 2003-04-23 13:49 UTC (permalink / raw)
To: Rusty trivial patch monkey Russell, kernel list
Hi!
This adds some nice docs for boot-up code. Please apply,
Pavel
Index: linux/arch/i386/boot/setup.S
===================================================================
--- linux.orig/arch/i386/boot/setup.S 2003-04-22 00:04:32.000000000 +0200
+++ linux/arch/i386/boot/setup.S 2003-04-21 22:40:53.000000000 +0200
@@ -893,6 +893,9 @@
movw %cs, %si
subw $DELTA_INITSEG, %si
shll $4, %esi # Convert to 32-bit pointer
+
+# jump to startup_32 in arch/i386/kernel/head.S
+#
# NOTE: For high loaded big kernels we need a
# jmpi 0x100000,__BOOT_CS
#
Index: linux/arch/i386/kernel/trampoline.S
===================================================================
--- linux.orig/arch/i386/kernel/trampoline.S 2003-04-22 00:04:32.000000000 +0200
+++ linux/arch/i386/kernel/trampoline.S 2003-03-30 20:01:55.000000000 +0200
@@ -4,6 +4,8 @@
*
* 4 Jan 1997 Michael Chastain: changed to gnu as.
*
+ * This is only used for booting secondary CPUs in SMP machine
+ *
* Entry: CS:IP point to the start of our code, we are
* in real mode with no stack, but the rest of the
* trampoline page to make our stack and everything else
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2003-04-23 13:47 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2003-04-23 13:49 Better docs for boot-up code Pavel Machek
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).