Changelog between v3 of EFI x86_64 support patch and this version 1. Change 64bit parameter description to 8 bytes in zero-page.txt 2. Add document for EFI related boot options.
--- This patch adds document for EFI x86_64 runtime services support. The boot parameters added are documented in Documentation/i386/zero-page.txt. The boot options added are documented in Documentation/x86_64/boot-options.txt. --- i386/zero-page.txt | 21 ++++++++++++++++----- x86_64/boot-options.txt | 10 +++++++++- 2 files changed, 25 insertions(+), 6 deletions(-) Signed-off-by: Chandramouli Narayanan <[EMAIL PROTECTED]> Signed-off-by: Huang Ying <[EMAIL PROTECTED]> Index: linux-2.6.23-rc2/Documentation/i386/zero-page.txt =================================================================== --- linux-2.6.23-rc2.orig/Documentation/i386/zero-page.txt 2007-08-13 13:08:39.000000000 +0800 +++ linux-2.6.23-rc2/Documentation/i386/zero-page.txt 2007-08-13 13:08:53.000000000 +0800 @@ -31,11 +31,11 @@ 0xb0 - 0x13f Free. Add more parameters here if you really need them. 0x140- 0x1be EDID_INFO Video mode setup -0x1c4 unsigned long EFI system table pointer -0x1c8 unsigned long EFI memory descriptor size -0x1cc unsigned long EFI memory descriptor version -0x1d0 unsigned long EFI memory descriptor map pointer -0x1d4 unsigned long EFI memory descriptor map size +0x1c4 unsigned long EFI system table pointer* +0x1c8 unsigned long EFI memory descriptor size* +0x1cc unsigned long EFI memory descriptor version* +0x1d0 unsigned long EFI memory descriptor map pointer* +0x1d4 unsigned long EFI memory descriptor map size* 0x1e0 unsigned long ALT_MEM_K, alternative mem check, in Kb 0x1e4 unsigned long Scratch field for the kernel setup code 0x1e8 char number of entries in E820MAP (below) @@ -87,3 +87,14 @@ 0x2d0 - 0xd00 E820MAP 0xd00 - 0xeff EDDBUF (edd.S) for disk signature read sector 0xd00 - 0xeeb EDDBUF (edd.S) for edd data + +Changes for x86_64 implementation: +--------------------------------- +For alignment purposes, the following parameters are rearranged. + +0x1c0 4 bytes EFI Loader signature, ="EFIL" +0x1c4 unsigned long EFI memory descriptor size +0x1c8 unsigned long EFI memory descriptor version +0x1cc unsigned long EFI memory descriptor map size +0x1d0 8 bytes EFI memory descriptor map pointer +0x1d8 8 bytes EFI system table pointer Index: linux-2.6.23-rc2/Documentation/x86_64/boot-options.txt =================================================================== --- linux-2.6.23-rc2.orig/Documentation/x86_64/boot-options.txt 2007-08-13 13:08:39.000000000 +0800 +++ linux-2.6.23-rc2/Documentation/x86_64/boot-options.txt 2007-08-13 13:08:53.000000000 +0800 @@ -110,12 +110,13 @@ Rebooting - reboot=b[ios] | t[riple] | k[bd] [, [w]arm | [c]old] + reboot=b[ios] | t[riple] | k[bd] | e[fi] [, [w]arm | [c]old] bios Use the CPU reboot vector for warm reset warm Don't set the cold reboot flag cold Set the cold reboot flag triple Force a triple fault (init) kbd Use the keyboard controller. cold reset (default) + efi Use efi reset_system runtime service. cold reset (default) Using warm reset will be much faster especially on big memory systems because the BIOS will not go through the memory check. @@ -300,4 +301,11 @@ newfallback: use new unwinder but fall back to old if it gets stuck (default) +EFI + + noefi Disable EFI support + + noefi_time Disable EFI time runtime service, programming CMOS + hardware directly + Miscellaneous - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/