diff options
Diffstat (limited to 'Documentation/i386/boot.txt')
-rw-r--r-- | Documentation/i386/boot.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/i386/boot.txt b/Documentation/i386/boot.txt index c51314b1a463..9575de300a61 100644 --- a/Documentation/i386/boot.txt +++ b/Documentation/i386/boot.txt | |||
@@ -2,7 +2,7 @@ | |||
2 | ---------------------------- | 2 | ---------------------------- |
3 | 3 | ||
4 | H. Peter Anvin <hpa@zytor.com> | 4 | H. Peter Anvin <hpa@zytor.com> |
5 | Last update 2005-09-02 | 5 | Last update 2006-11-17 |
6 | 6 | ||
7 | On the i386 platform, the Linux kernel uses a rather complicated boot | 7 | On the i386 platform, the Linux kernel uses a rather complicated boot |
8 | convention. This has evolved partially due to historical aspects, as | 8 | convention. This has evolved partially due to historical aspects, as |
@@ -35,6 +35,8 @@ Protocol 2.03: (Kernel 2.4.18-pre1) Explicitly makes the highest possible | |||
35 | initrd address available to the bootloader. | 35 | initrd address available to the bootloader. |
36 | 36 | ||
37 | Protocol 2.04: (Kernel 2.6.14) Extend the syssize field to four bytes. | 37 | Protocol 2.04: (Kernel 2.6.14) Extend the syssize field to four bytes. |
38 | Protocol 2.05: (Kernel 2.6.20) Make protected mode kernel relocatable. | ||
39 | Introduce relocatable_kernel and kernel_alignment fields. | ||
38 | 40 | ||
39 | 41 | ||
40 | **** MEMORY LAYOUT | 42 | **** MEMORY LAYOUT |
@@ -129,6 +131,8 @@ Offset Proto Name Meaning | |||
129 | 0226/2 N/A pad1 Unused | 131 | 0226/2 N/A pad1 Unused |
130 | 0228/4 2.02+ cmd_line_ptr 32-bit pointer to the kernel command line | 132 | 0228/4 2.02+ cmd_line_ptr 32-bit pointer to the kernel command line |
131 | 022C/4 2.03+ initrd_addr_max Highest legal initrd address | 133 | 022C/4 2.03+ initrd_addr_max Highest legal initrd address |
134 | 0230/4 2.05+ kernel_alignment Physical addr alignment required for kernel | ||
135 | 0234/1 2.05+ relocatable_kernel Whether kernel is relocatable or not | ||
132 | 136 | ||
133 | (1) For backwards compatibility, if the setup_sects field contains 0, the | 137 | (1) For backwards compatibility, if the setup_sects field contains 0, the |
134 | real value is 4. | 138 | real value is 4. |