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Towards a(nother) new real-mode infrastructure, in which we take

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advantage of the fact that we have to have a permanently-resident block
in base memory.
This commit is contained in:
Michael Brown
2006-05-02 15:41:21 +00:00
parent 8f62b39c03
commit 9fcded3d23
10 changed files with 464 additions and 1186 deletions
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17
src/arch/i386/include/virtaddr.h
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@@ -5,12 +5,17 @@
*
* Don't change these unless you really know what you're doing.
*/
#define PHYSICAL_CS 0x08
#define PHYSICAL_DS 0x10
#define VIRTUAL_CS 0x18
#define VIRTUAL_DS 0x20
#define LONG_CS 0x28
#define LONG_DS 0x30
#define VIRTUAL_CS 0x08
#define VIRTUAL_DS 0x10
#define PHYSICAL_CS 0x18
#define PHYSICAL_DS 0x20
#define REAL_CS 0x28
#define REAL_DS 0x30
#if 0
#define LONG_CS 0x38
#define LONG_DS 0x40
#endif
#ifndef ASSEMBLY