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+ added function free_linear_addr_mapping to unit go32

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git-svn-id: trunk@25786 -
This commit is contained in:
nickysn 2013-10-14 19:15:18 +00:00
parent 8bad012e83
commit 59f441269e
1 changed files with 20 additions and 0 deletions
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20
rtl/go32v2/go32.pp
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@ -94,6 +94,7 @@ interface
function set_descriptor_access_right(d : word;w : word) : longint; function set_descriptor_access_right(d : word;w : word) : longint;
function create_code_segment_alias_descriptor(seg : word) : word; function create_code_segment_alias_descriptor(seg : word) : word;
function get_linear_addr(phys_addr : longint;size : longint) : longint; function get_linear_addr(phys_addr : longint;size : longint) : longint;
function free_linear_addr_mapping(linear_addr: dword): boolean;
function get_segment_limit(d : word) : longint; function get_segment_limit(d : word) : longint;
function get_descriptor_access_right(d : word) : longint; function get_descriptor_access_right(d : word) : longint;
function get_page_size:longint; function get_page_size:longint;
@ -1101,6 +1102,25 @@ interface
end; end;
end; end;
function free_linear_addr_mapping(linear_addr: dword): boolean;
begin
asm
pushl %ebx
pushl %ecx
movl linear_addr,%ebx
movl %ebx,%ecx
shrl $16,%ebx
movl $0x801,%eax
int $0x31
pushf
call test_int31
movb %al,__RESULT
popl %ecx
popl %ebx
end;
end;
procedure disable;assembler; procedure disable;assembler;
asm asm