1992/0315/port/page.c (diff list | history)

1992/0313/sys/src/9/port/page.c:17,23 – 1992/0315/sys/src/9/port/page.c:17,24 (short | long | prev | next)
1991/0705		int pages; }ptealloclk;
1990/0227
1991/0705		extern long end;
1992/0315		extern long end; ulong hiaddr;
1991/0705		static Lock pglock;
1990/0227
1991/0705		/* Multiplex a hardware lock for per page manipulations */
1992/0313/sys/src/9/port/page.c:63,76 – 1992/0315/sys/src/9/port/page.c:64,69
1992/0313		Region region[Nregion];
1990/0227		/*
1991/0802		* Called to allocate permanent data structures, before calling pageinit(). * We assume all of text+data+bss is in the first memory bank.
1992/0313		* * alignment is in number of bytes * * WARNING: You can't cross a crevasse!
1990/0227		*/
1992/0313		void addsplit(Region *r, ulong start, ulong end) {
1992/0313/sys/src/9/port/page.c:99,104 – 1992/0315/sys/src/9/port/page.c:92,108
1992/0313		} } }
1992/0315		/* * Called to allocate permanent data structures, before calling pageinit(). * We assume all of text+data+bss is in the first memory bank. * * alignment is in number of bytes. It pretains both to the start and * end of the allocated memory. * * If crevasse is specified, no allocation can span an address that is * a multiple of crevasse. */
1990/0227		void*
1992/0313		iallocspan(ulong n, int align, ulong crevasse)
1990/0227		{
1992/0313/sys/src/9/port/page.c:131,137 – 1992/0315/sys/src/9/port/page.c:135,141
1991/0606
1992/0313		p = 0; for(r = region; r < ®ion[Nregion]; r++){ /* allign region */
1992/0315		/* align region */
1992/0313		p = r->start; if(align){ m = p % align;