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hw_x86_64: Add mapping for I/O APIC MMIO to initial pt 

Make the I/O APIC accessible via its MMIO region by adding a 2 MB large
page mapping at 0xfec00000 with memory type UC.
This commit is contained in:
Adrian-Ken Rueegsegger 2015-03-18 00:01:06 +01:00 committed by Christian Helmuth
parent c06c21e472
commit 42987a7b2f
1 changed files with 2 additions and 1 deletions
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3
repos/base-hw/src/core/spec/x86_64/kernel/crt0.s
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@ -141,6 +141,7 @@
.p2align MIN_PAGE_SIZE_LOG2
_kernel_pd_503:
.fill 503, 8, 0x0
.fill 502, 8, 0x0
.quad 0xfec0019f
.quad 0xfee0019f
.fill 8, 8, 0x0