Re: [Q] x86 - boot/header.S

2008-02-25 Thread Cyrill Gorcunov
[H. Peter Anvin - Sun, Feb 24, 2008 at 06:15:52PM -0800] > Cyrill Gorcunov wrote: >> Hi Peter, Sam, >> could you take a look on x86/boot/header.S:280 please? >> # Zero the bss >> movw$__bss_start, %di >> movw$_end+3, %cx >> xorl%eax, %eax >> subw%di, %cx >>

Re: [Q] x86 - boot/header.S

2008-02-24 Thread H. Peter Anvin
Cyrill Gorcunov wrote: Look, we only have head64.c - there is no head32.c at all. That's true to some degree, but head64.c contains a bunch of stuff which lives in setup_32.c in the 32-bit world. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the b

Re: [Q] x86 - boot/header.S

2008-02-24 Thread H. Peter Anvin
Cyrill Gorcunov wrote: Hi Peter, Sam, could you take a look on x86/boot/header.S:280 please? # Zero the bss movw$__bss_start, %di movw$_end+3, %cx xorl%eax, %eax subw%di, %cx shrw$2, %cx rep; stosl I wonder why is $_end there

Re: [Q] x86 - boot/header.S

2008-02-23 Thread Cyrill Gorcunov
[Sam Ravnborg - Sat, Feb 23, 2008 at 10:18:17AM +0100] | On Sat, Feb 23, 2008 at 12:07:39PM +0300, Cyrill Gorcunov wrote: | > [Yinghai Lu - Sat, Feb 23, 2008 at 12:44:49AM -0800] | > | On Sat, Feb 23, 2008 at 12:20 AM, Cyrill Gorcunov <[EMAIL PROTECTED]> wrote: | > | > Hi Peter, Sam, | > | > | > |

Re: [Q] x86 - boot/header.S

2008-02-23 Thread Sam Ravnborg
On Sat, Feb 23, 2008 at 12:07:39PM +0300, Cyrill Gorcunov wrote: > [Yinghai Lu - Sat, Feb 23, 2008 at 12:44:49AM -0800] > | On Sat, Feb 23, 2008 at 12:20 AM, Cyrill Gorcunov <[EMAIL PROTECTED]> wrote: > | > Hi Peter, Sam, > | > > | > could you take a look on x86/boot/header.S:280 please? > | > > |

Re: [Q] x86 - boot/header.S

2008-02-23 Thread Cyrill Gorcunov
[Yinghai Lu - Sat, Feb 23, 2008 at 12:44:49AM -0800] | On Sat, Feb 23, 2008 at 12:20 AM, Cyrill Gorcunov <[EMAIL PROTECTED]> wrote: | > Hi Peter, Sam, | > | > could you take a look on x86/boot/header.S:280 please? | > | > # Zero the bss | > movw$__bss_start, %di | > movw$_

Re: [Q] x86 - boot/header.S

2008-02-23 Thread Yinghai Lu
On Sat, Feb 23, 2008 at 12:20 AM, Cyrill Gorcunov <[EMAIL PROTECTED]> wrote: > Hi Peter, Sam, > > could you take a look on x86/boot/header.S:280 please? > > # Zero the bss > movw$__bss_start, %di > movw$_end+3, %cx > xorl%eax, %eax > subw%di, %cx >