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authorJiri Kosina <jkosina@suse.cz>2013-01-29 04:48:30 -0500
committerJiri Kosina <jkosina@suse.cz>2013-01-29 04:48:30 -0500
commit617677295b53a40d0e54aac4cbbc216ffbc755dd (patch)
tree51b9e87213243ed5efff252c8e8d8fec4eebc588 /Documentation/x86
parent5c8d1b68e01a144813e38795fe6dbe7ebb506131 (diff)
parent6abb7c25775b7fb2225ad0508236d63ca710e65f (diff)
Merge branch 'master' into for-next
Conflicts: drivers/devfreq/exynos4_bus.c Sync with Linus' tree to be able to apply patches that are against newer code (mvneta).
Diffstat (limited to 'Documentation/x86')
-rw-r--r--Documentation/x86/boot.txt7
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 9efceff51bfb..406d82d5d2bb 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -373,7 +373,7 @@ Protocol: 2.00+
373 1 Loadlin 373 1 Loadlin
374 2 bootsect-loader (0x20, all other values reserved) 374 2 bootsect-loader (0x20, all other values reserved)
375 3 Syslinux 375 3 Syslinux
376 4 Etherboot/gPXE 376 4 Etherboot/gPXE/iPXE
377 5 ELILO 377 5 ELILO
378 7 GRUB 378 7 GRUB
379 8 U-Boot 379 8 U-Boot
@@ -381,6 +381,7 @@ Protocol: 2.00+
381 A Gujin 381 A Gujin
382 B Qemu 382 B Qemu
383 C Arcturus Networks uCbootloader 383 C Arcturus Networks uCbootloader
384 D kexec-tools
384 E Extended (see ext_loader_type) 385 E Extended (see ext_loader_type)
385 F Special (0xFF = undefined) 386 F Special (0xFF = undefined)
386 10 Reserved 387 10 Reserved
@@ -1013,7 +1014,7 @@ boot_params as that of 16-bit boot protocol, the boot loader should
1013also fill the additional fields of the struct boot_params as that 1014also fill the additional fields of the struct boot_params as that
1014described in zero-page.txt. 1015described in zero-page.txt.
1015 1016
1016After setupping the struct boot_params, the boot loader can load the 1017After setting up the struct boot_params, the boot loader can load the
101732/64-bit kernel in the same way as that of 16-bit boot protocol. 101832/64-bit kernel in the same way as that of 16-bit boot protocol.
1018 1019
1019In 32-bit boot protocol, the kernel is started by jumping to the 1020In 32-bit boot protocol, the kernel is started by jumping to the
@@ -1023,7 +1024,7 @@ In 32-bit boot protocol, the kernel is started by jumping to the
1023At entry, the CPU must be in 32-bit protected mode with paging 1024At entry, the CPU must be in 32-bit protected mode with paging
1024disabled; a GDT must be loaded with the descriptors for selectors 1025disabled; a GDT must be loaded with the descriptors for selectors
1025__BOOT_CS(0x10) and __BOOT_DS(0x18); both descriptors must be 4G flat 1026__BOOT_CS(0x10) and __BOOT_DS(0x18); both descriptors must be 4G flat
1026segment; __BOOS_CS must have execute/read permission, and __BOOT_DS 1027segment; __BOOT_CS must have execute/read permission, and __BOOT_DS
1027must have read/write permission; CS must be __BOOT_CS and DS, ES, SS 1028must have read/write permission; CS must be __BOOT_CS and DS, ES, SS
1028must be __BOOT_DS; interrupt must be disabled; %esi must hold the base 1029must be __BOOT_DS; interrupt must be disabled; %esi must hold the base
1029address of the struct boot_params; %ebp, %edi and %ebx must be zero. 1030address of the struct boot_params; %ebp, %edi and %ebx must be zero.