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dm:reserve 64M hole for graphics stolen memory in e820 table

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Add 64M@0xDB000000 for GVT-d usage as below.
Currently, use 64M for graphics stolen memory,
gop driver and uos IGD driver will use this memory region.

start 	      end          size     Note
[0x 00000000, 0x 000A0000] 640K
[0x 000A0000, 0x 00100000] 384K
[0x 00100000, 0x 7ff00000] 2G-1M    lowmem-1M
[0x 80000000, 0x 88000000] 128M     [lowmem, +128M]
[0x DB000000, 0x DF000000] 64MB     graphics stolen memory for GVT-d
[0x DF000000, 0x E0000000] 16M 	    gvt
[0x e0000000, 0x100000000] 512M
[0x100000000, 0x140000000] 1G

Tracked-On: #4360

Signed-off-by: Junming Liu <junming.liu@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Liu XinYun <xinyun.liu@intel.com>
Reviewed-by: Shuo A Liu <shuo.a.liu@intel.com>
Reviewed-by: Wu Binbin <binbin.wu@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
This commit is contained in:
Junming Liu
2020-01-10 21:34:48 +00:00
committed by wenlingz
parent 10c407cc85
commit f9f64d356f
2 changed files with 20 additions and 6 deletions
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4
devicemodel/include/sw_load.h
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@@ -39,9 +39,9 @@
#define E820_TYPE_ACPI_NVS 4U /* EFI 10 */
#define E820_TYPE_UNUSABLE 5U /* EFI 8 */
#define NUM_E820_ENTRIES 9
#define NUM_E820_ENTRIES 10
#define LOWRAM_E820_ENTRY 2
#define HIGHRAM_E820_ENTRY 8
#define HIGHRAM_E820_ENTRY 9
/* Defines a single entry in an E820 memory map. */
struct e820_entry {