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coreboot: tiered imd

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A tiered imd allows for both small and large allocations. The
small allocations are packed into a large region. Utilizing a
tiered imd reduces internal fragmentation within the imd.

Change-Id: I0bcd6473aacbc714844815b24d77cb5c542abdd0
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8623
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
This commit is contained in:
Aaron Durbin
2015-03-24 23:14:46 -05:00
parent 20686d851c
commit cac5050623
3 changed files with 374 additions and 136 deletions
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2
src/include/cbmem.h
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@ -58,6 +58,7 @@
#define CBMEM_ID_HOB_POINTER 0x484f4221
#define CBMEM_ID_IGD_OPREGION 0x4f444749
#define CBMEM_ID_IMD_ROOT 0xff4017ff
#define CBMEM_ID_IMD_SMALL 0x53a11439
#define CBMEM_ID_MEMINFO 0x494D454D
#define CBMEM_ID_MPTABLE 0x534d5054
#define CBMEM_ID_MRCDATA 0x4d524344
@ -105,6 +106,7 @@ struct cbmem_id_to_name {
{ CBMEM_ID_FREESPACE, "FREE SPACE " }, \
{ CBMEM_ID_GDT, "GDT " }, \
{ CBMEM_ID_IMD_ROOT, "IMD ROOT " }, \
{ CBMEM_ID_IMD_SMALL, "IMD SMALL " }, \
{ CBMEM_ID_MEMINFO, "MEM INFO " }, \
{ CBMEM_ID_MPTABLE, "SMP TABLE " }, \
{ CBMEM_ID_MRCDATA, "MRC DATA " }, \