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Initial work on 64-bit systems.
This commit is contained in:
Vladimir 'phcoder' Serbinenko committed
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commit
9a7d18426c
1 file changed
+118
-110
+118
-110
@@ -296,6 +296,13 @@ little-endian, u32 is coded in little-endian.
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@item u64
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The type of unsigned 64-bit data. Because the target architecture is
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little-endian, u64 is coded in little-endian.
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@item u_phys
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The type of unsigned data of the same size as target architecture physical address size.
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@item u_virt
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The type of unsigned data of the same size as target architecture virtual address size.
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@end table
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@@ -406,9 +413,9 @@ Every structure has following format:
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@example
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@group
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+-------------------+
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0 | type |
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4 | size |
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8-11 | flags |
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u32 | type |
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u32 | size |
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u32 | flags |
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+-------------------+
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@end group
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@end example
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@@ -425,10 +432,10 @@ Tags are terminated by a tag of type @samp{0} and size @samp{12}.
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@example
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@group
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+-------------------+
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0 | type = 1 |
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4 | size |
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8 | flags |
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12-xx | mbi_tag_types |
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u32 | type = 1 |
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u32 | size |
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u32 | flags |
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u32[n] | mbi_tag_types |
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+-------------------+
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@end group
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@end example
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@@ -450,13 +457,13 @@ actually be present. E.g. on a videoless system even if you requested tag
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@example
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@group
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+-------------------+
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0 | type = 2 |
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4 | size = 28 |
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8 | flags |
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12 | header_addr |
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16 | load_addr |
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20 | load_end_addr |
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24-27 | bss_end_addr |
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u32 | type = 2 |
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u32 | size = 28 |
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u32 | flags |
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u_virt | header_addr |
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u_virt | load_addr |
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u_virt | load_end_addr |
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u_virt | bss_end_addr |
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+-------------------+
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@end group
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@end example
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@@ -499,10 +506,10 @@ assumes that no bss segment is present.
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@example
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@group
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+-------------------+
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0 | type = 3 |
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4 | size = 16 |
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8 | flags |
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12-15 | entry_addr |
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u32 | type = 3 |
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u32 | size = 16 |
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u32 | flags |
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u_virt | entry_addr |
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+-------------------+
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@end group
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@end example
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@@ -523,10 +530,10 @@ start running the operating system.
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@example
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@group
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+-------------------+
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0 | type = 4 |
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4 | size = 16 |
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8 | flags |
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12-15 | console_flags |
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u32 | type = 4 |
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u32 | size = 16 |
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u32 | flags |
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u32 | console_flags |
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+-------------------+
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@end group
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@end example
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@@ -541,12 +548,12 @@ indicates that the OS image has EGA text support.
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@example
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@group
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+-------------------+
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0 | type = 5 |
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4 | size = 24 |
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8 | flags |
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12 | width |
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16 | height |
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20-23 | depth |
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u32 | type = 5 |
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u32 | size = 24 |
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u32 | flags |
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u32 | width |
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u32 | height |
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u32 | depth |
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+-------------------+
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@end group
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@end example
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@@ -583,9 +590,9 @@ preference.
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@example
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@group
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+-------------------+
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0 | type = 6 |
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4 | size = 12 |
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8-11 | flags |
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u32 | type = 6 |
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u32 | size = 12 |
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u32 | flags |
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+-------------------+
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@end group
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@end example
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@@ -685,8 +692,8 @@ Boot information consists of fixed part and a series of tags. Its start is 8-byt
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@example
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@group
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+-------------------+
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0-3 | total_size |
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4-7 | reserved |
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u32 | total_size |
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u32 | reserved |
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+-------------------+
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@end group
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@end example
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@@ -701,8 +708,8 @@ Every tag begins with following fields:
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@example
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@group
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+-------------------+
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0 | type |
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4-7 | size |
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u32 | type |
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u32 | size |
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+-------------------+
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@end group
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@end example
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@@ -715,10 +722,10 @@ Tags follow one another padded when necessary in order for each tag to start at
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@example
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@group
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+-------------------+
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0 | type = 4 |
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4 | size = 16 |
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8 | mem_lower |
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12-15 | mem_upper |
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u32 | type = 4 |
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u32 | size = 16 |
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u32 | mem_lower |
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u32 | mem_upper |
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+-------------------+
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@end group
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@end example
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@@ -734,11 +741,11 @@ minus 1 megabyte. It is not guaranteed to be this value.
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@example
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@group
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+-------------------+
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0 | type = 5 |
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4 | size = 20 |
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8 | biosdev |
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12 | partition |
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16-19 | sub_parition |
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u32 | type = 5 |
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u32 | size = 20 |
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u32 | biosdev |
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u32 | partition |
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u32 | sub_parition |
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+-------------------+
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@end group
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@end example
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@@ -778,9 +785,9 @@ partition on a disk partitioned in conventional DOS style, then
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@example
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@group
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+-------------------+
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0 | type = 1 |
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4 | size |
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8-xx | string |
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u32 | type = 1 |
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u32 | size |
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u8[n] | string |
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+-------------------+
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@end group
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@end example
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@@ -792,11 +799,11 @@ zero-terminated UTF-8 string.
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@example
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@group
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+-------------------+
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0 | type = 3 |
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4 | size |
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8 | mod_start |
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12 | mod_end |
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16-xx | string |
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u32 | type = 3 |
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u32 | size |
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u_phys | mod_start |
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u_phys | mod_end |
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u8[n] | string |
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+-------------------+
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@end group
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@end example
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@@ -822,12 +829,13 @@ the Multiboot information structure starting at byte 28 are valid:
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@example
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@group
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+-------------------+
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0 | type = 9 |
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4 | size |
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8 | num |
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12 | entsize |
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16 | shndx |
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20-xx | section headers |
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u32 | type = 9 |
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u32 | size |
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u16 | num |
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u16 | entsize |
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u16 | shndx |
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u16 | reserved |
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varies | section headers |
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+-------------------+
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@end group
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@end example
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@@ -848,11 +856,11 @@ This tag provides memory map.
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@example
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@group
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+-------------------+
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0 | type = 6 |
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4 | size |
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8 | entry_size |
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12 | entry_version |
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16-xx | entries |
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u32 | type = 6 |
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u32 | size |
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u32 | entry_size |
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u32 | entry_version |
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varies | entries |
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+-------------------+
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@end group
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@end example
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@@ -863,10 +871,10 @@ This tag provides memory map.
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@example
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@group
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+-------------------+
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0 | base_addr |
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8 | length |
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16 | type |
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20 | reserved |
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u64 | base_addr |
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u64 | length |
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u32 | type |
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u32 | reserved |
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+-------------------+
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@end group
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@end example
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@@ -885,9 +893,9 @@ be available for normal use.
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@example
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@group
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+-------------------+
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0 | type = 2 |
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4 | size |
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8-xx | string |
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u32 | type = 2 |
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u32 | size |
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u8[n] | string |
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+-------------------+
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@end group
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@end example
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@@ -901,17 +909,17 @@ The tag type 10 contains @sc{apm} table
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@example
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@group
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+----------------------+
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0 | type = 10 |
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4 | size = 28 |
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8 | version |
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10 | cseg |
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12 | offset |
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16 | cseg_16 |
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18 | dseg |
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20 | flags |
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22 | cseg_len |
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24 | cseg_16_len |
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26-27 | dseg_len |
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u32 | type = 10 |
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u32 | size = 28 |
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u16 | version |
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u16 | cseg |
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u32 | offset |
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u16 | cseg_16 |
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u16 | dseg |
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u16 | flags |
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u16 | cseg_len |
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u16 | cseg_16_len |
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u16 | dseg_len |
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+----------------------+
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@end group
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@end example
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@@ -932,14 +940,14 @@ Management (APM) BIOS Interface Specification}, for more information.
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@example
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@group
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+-------------------+
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0 | type = 7 |
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4 | size = 784 |
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8 | vbe_mode |
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10 | vbe_interface_seg |
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12 | vbe_interface_off |
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14 | vbe_interface_len |
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16 | vbe_control_info |
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528-783 | vbe_mode_info |
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u32 | type = 7 |
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u32 | size = 784 |
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u16 | vbe_mode |
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u16 | vbe_interface_seg |
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u16 | vbe_interface_off |
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u16 | vbe_interface_len |
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u8[512] | vbe_control_info |
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u8[256] | vbe_mode_info |
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+-------------------+
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@end group
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@end example
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@@ -964,16 +972,16 @@ yourself.
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@example
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@group
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+--------------------+
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0 | type = 8 |
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4 | size |
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8 | framebuffer_addr |
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16 | framebuffer_pitch |
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20 | framebuffer_width |
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24 | framebuffer_height |
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28 | framebuffer_bpp |
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29 | framebuffer_type |
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30 | reserved |
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32 | color_info |
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u32 | type = 8 |
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u32 | size |
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u64 | framebuffer_addr |
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u32 | framebuffer_pitch |
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u32 | framebuffer_width |
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u32 | framebuffer_height |
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u8 | framebuffer_bpp |
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u8 | framebuffer_type |
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u8 | reserved |
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varies | color_info |
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+--------------------+
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@end group
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@end example
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@@ -982,8 +990,8 @@ The field @samp{framebuffer_addr} contains framebuffer physical address. This fi
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@example
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@group
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+----------------------------------+
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32 | framebuffer_palette_num_colors |
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36-xx | framebuffer_palette |
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u32 | framebuffer_palette_num_colors |
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varies | framebuffer_palette |
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+----------------------------------+
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@end group
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@end example
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@@ -992,9 +1000,9 @@ Each colour descriptor has following structure:
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@example
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@group
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+-------------+
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0 | red_value |
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1 | green_value |
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2-2 | blue_value |
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u8 | red_value |
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u8 | green_value |
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u8 | blue_value |
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+-------------+
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@end group
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@end example
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@@ -1004,12 +1012,12 @@ Then color_type is defined as follows:
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@example
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@group
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+----------------------------------+
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32 | framebuffer_red_field_position |
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33 | framebuffer_red_mask_size |
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34 | framebuffer_green_field_position |
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35 | framebuffer_green_mask_size |
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36 | framebuffer_blue_field_position |
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37-37 | framebuffer_blue_mask_size |
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u8 | framebuffer_red_field_position |
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u8 | framebuffer_red_mask_size |
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u8 | framebuffer_green_field_position |
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u8 | framebuffer_green_mask_size |
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u8 | framebuffer_blue_field_position |
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u8 | framebuffer_blue_mask_size |
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+----------------------------------+
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@end group
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@end example
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