Lines Matching +full:frame +full:- +full:buffer

2 Memory Attribute Aliasing on IA-64
19         WB		Write-back (cacheable)
21 	WC		Write-coalescing
25     used for memory-mapped I/O devices.  The WC attribute is uncacheable
27     performance for things like frame buffers.
41     supported attributes for each region.  At boot-time, the kernel uses
62     boot-time information is required for kexec.
75     Therefore, kern_memmap contains only full granule-sized regions that
97 ----------------
112 -----------------------------------------
120 	"X" uses this to access VGA frame buffers.  Using legacy_mem
127 ------------------------------
140 ----------------------
150 	registers typically can be accessed only with four-byte or
151 	eight-byte accesses, and the copy_from_user() path doesn't allow
155 ---------
166 	If the granule contains non-WB memory, but we can cover the
176 --------------------------------------------------------------------
185 mmap of 0x0-0x9FFFF /dev/mem by "hwinfo" on HP sx1000 with VGA enabled
186 ----------------------------------------------------------------------
191         0x00000-0x9FFFF WB only
192         0xA0000-0xBFFFF UC only (VGA frame buffer)
193         0xC0000-0xFFFFF WB only
199       The kernel VGA driver may ioremap the VGA frame buffer at 0xA0000,
200       which uses a granule-sized UC mapping.  This granule will cover some
201       WB-only memory, but since UC is non-speculative, the processor will
202       never generate an uncacheable reference to the WB-only areas unless
205 mmap of 0x0-0xFFFFF legacy_mem by "X"
206 -------------------------------------
218       that doesn't report the VGA frame buffer at all), we should fail the
221 mmap of 0xA0000-0xBFFFF legacy_mem by "X" on HP sx1000 with VGA disabled
222 ------------------------------------------------------------------------
226         0x00000-0xFFFFF WB only (no VGA MMIO hole)
232 ----------------------------
235       used to be done with a UC mapping, because the VGA frame buffer
240       frame buffer.