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| author | andrew <andrew@FreeBSD.org> | 2016-04-13 11:43:03 +0000 |
|---|---|---|
| committer | andrew <andrew@FreeBSD.org> | 2016-04-13 11:43:03 +0000 |
| commit | fcf07e4e7b654a94ba56b3179d5676cedb347fd8 (patch) | |
| tree | 70406e0de4f7313b72ac18f6cc22888107219f74 /sys/arm64 | |
| parent | a95f99b703d7513c6a8c910ac658ce345e4a836b (diff) | |
| download | FreeBSD-src-fcf07e4e7b654a94ba56b3179d5676cedb347fd8.zip FreeBSD-src-fcf07e4e7b654a94ba56b3179d5676cedb347fd8.tar.gz | |
Document the memory ranges within the kernel region to help with debugging
to track down which region an address is from.
Obtained from: ABT Systems Ltd
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'sys/arm64')
| -rw-r--r-- | sys/arm64/include/vmparam.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/sys/arm64/include/vmparam.h b/sys/arm64/include/vmparam.h index 5624f16..8dc8809 100644 --- a/sys/arm64/include/vmparam.h +++ b/sys/arm64/include/vmparam.h @@ -128,14 +128,19 @@ * We use the full 48 bits for each region, however the kernel may only use * a limited range within this space. * - * Upper region: 0xffffffffffffffff - * 0xffff000000000000 + * Upper region: 0xffffffffffffffff Top of virtual memory * - * Hole: 0xfffeffffffffffff - * 0x0001000000000000 + * 0xfffffeffffffffff End of DMAP + * 0xfffffd0000000000 Start of DMAP * - * Lower region: 0x0000ffffffffffff - * 0x0000000000000000 + * 0xffff007fffffffff End of KVA + * 0xffff000000000000 Kernel base address & start of KVA + * + * Hole: 0xfffeffffffffffff + * 0x0001000000000000 + * + * Lower region: 0x0000ffffffffffff End of user address space + * 0x0000000000000000 Start of user address space * * We use the upper region for the kernel, and the lower region for userland. * |
