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hw: introduce kernel/user address space split

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* introduces central memory map for core/kernel
* on 32-bit platforms the kernel/core starts at 0x80000000
* on 64-bit platforms the kernel/core starts at 0xffffffc000000000
* mark kernel/core mappings as global ones (tagged TLB)
* move the exception vector to begin of core's binary,
  thereby bootstrap knows from where to map it appropriately
* do not map boot modules into core anymore
* constrain core's virtual heap memory area
* differentiate in between user's and core's main thread's UTCB,
  which now resides inside the kernel segment

Ref #2091
This commit is contained in:
Stefan Kalkowski
2017-06-20 15:25:04 +02:00
committed by Christian Helmuth
parent 362337a9e8
commit 42db1e112b
41 changed files with 275 additions and 73 deletions
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repos/base-hw/lib/mk/spec/wand_quad/bootstrap-hw.mk
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@ -7,6 +7,7 @@ SRC_CC += bootstrap/spec/arm/cortex_a9_mmu.cc
SRC_CC += bootstrap/spec/arm/pic.cc
SRC_CC += bootstrap/spec/wand_quad/platform.cc
SRC_CC += hw/spec/arm/arm_v7_cpu.cc
SRC_CC += hw/spec/32bit/memory_map.cc
NR_OF_CPUS = 4