Hello!
On Wed, Feb 14, 2007 at 01:19:04PM +0100, Markus Ritzer wrote:
>Hello!
>I would like to know when the CPU is switched into protected mode on i386?
>Before or after executing init386() ?
>Or does the bootloader / or the BIOS do this?
/usr/src/sys/arch/i386/stand/boot/srt0.S, around line 60:
popl %edx
cli
pushl %cs
popl %ds
addr32 data32 lgdt (Gdtr - LINKADDR)
movl %cr0, %eax
orl $CR0_PE, %eax
data32 movl %eax, %cr0
data32 ljmp $8, $1f
1:
.code32
>Markus
Kind regards,
Hannah.
--
Hannah Schrvter Entwicklung [EMAIL PROTECTED]
Bei Schlund + Partner AG Brauerstra_e 48 D-76135 Karlsruhe
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