13 Commits

Author	SHA1	Message	Date
Michael Brown	18aa0e79d2	[pcbios] Add extra debugging messages relating to the system memory map	2008-09-07 21:38:41 +01:00
Michael Brown	4fbbf651d7	[i386] Change semantics of __from_data16 and __from_text16 ... __from_data16 and __from_text16 now take a pointer to a .data16/.text16 variable, and return the real-mode offset within the appropriate segment. This matches the use case for every occurrence of these macros, and prevents potential future bugs such as that fixed in commit d51d80f. (The bug arose essentially because "&pointer" is still syntactically valid.)	2008-06-30 18:52:13 -07:00
Michael Brown	a7eee64506	Added more verbose memory-map debugging. ... Added redundant call to get_memmap() in int13_boot() immediately before jumping to boot sector, to assist in debugging.	2007-09-21 18:33:17 +01:00
Michael Brown	6d2e4e719c	Move uninitialised .data16 variables to .bss16; saves around 2000 ... bytes of useless zeroes in the final image.	2007-07-16 13:22:12 +01:00
Michael Brown	b9f99858ab	Make the getmemsize() prototype available in memsizes.h, for code that ... doesn't want to go to the hassle of processing a full memory map.	2007-01-14 15:32:25 +00:00
Michael Brown	c980cdd0aa	Move memmap.h out of arch/i386; it no longer contains anything ... architecture-dependent and is needed by the ELF code.	2007-01-11 14:08:44 +00:00
Michael Brown	88e38fa148	We don't actually have a stdio.h header file. Our printf() functions are ... defined in vsprintf.h. (This may change, since vsprintf.h is a non-standard name, but for now it's the one to use.) There should be no need to include vsprintf.h just for DBG() statements, since include/compiler.h forces it in for a debug build anyway.	2006-09-27 10:58:14 +00:00
Marty Connor	6ac78f6aff	added stdio.h to includes for DBG compilation	2006-09-27 05:57:06 +00:00
Michael Brown	e4f8d6eed7	Add a "count" field to struct memory_map.	2006-05-25 00:00:30 +00:00
Michael Brown	986f6ffff1	Define a struct memory_map with a fixed number of entries, rather than ... requiring each caller to decide how many entries it wants to permit.	2006-05-24 14:41:27 +00:00
Michael Brown	04d6005d77	Update to REAL_CODE()	2006-05-24 12:45:50 +00:00
Michael Brown	53935e9dc6	Set carry flag before calling INT 15,e801 and INT 15,e820. ... Ignore carry flag for INT 15,88; the Ralf Brown interrupt list says that CF is unreliable for this call.	2006-05-24 12:19:16 +00:00
Michael Brown	77a65075a6	Replaced memsizes.c with smaller memmap.c, taking advantage of __data16, ... and creating a memory map that's easier to work with than the E820 map.	2006-05-24 01:37:46 +00:00