[kernel] Rename AutoSpinLockIrqSave to AutoSpinLock

There were several instances of people using AutoSpinLock when they
should have used AutoSpinLockIrqSave. This is patch 2 of 2 for
inverting the naming, so the simpler named one is the safer
one to use.

Change-Id: I441a66c8755e3c0b33c41cffbd26ebe504ab9428

[kernel] Rename AutoSpinLock to AutoSpinLockNoIrqSave

There were several instances of people using AutoSpinLock when they
should have used AutoSpinLockIrqSave. This is patch 1 of 2 for
inverting the naming, so the simpler named one is the safer one to use.

Change-Id: If29470ffcc57016f0f7d13f3af924e5fe6151c5a

[x86] Run clang-format

This converts a bunch of the old LK style to the newer style.

Change-Id: I0f9dfc6b2b9b30b7630dc1e2271e8da815edd1d8

[x86][ioapic] Switch to C++ spinlock wrappers

Change-Id: If82b41be5935166aa0c1895894c68759f3780f63

[x86][ioapic] Replace C-style allocation

Part of modernizing the arch/x86 component

Change-Id: Ia0b9202b70dfd9d86764f2da5eeef3f80e4fca44

[x86][cpp] Change NULL -> nullptr

Change-Id: I7e93eece6b0f33712c9c5599a924a44c0ecd4002

[x86][ioapic] Add routines for saving/restoring state

ZX-1184

Change-Id: Ib5574369ff69ddb912d711b9d364bd2afea0a961

[kernel][memory] refactor some physical<->virtual routines, formally naming the BKM physmap

This mostly just rearranges the names of things, but add an actual name
for the big kernel map and add some bounds checking to usage.

This should let us be a bit more dynamic about the physmap in the
future, including placing it at a random location and/or giving it a
more complex mapping.

Change-Id: I062d3f0483f27436252b9607174e10b852f0f832

[kernel][status][arch] Use zx_status_t throughout kernel/arch

Change-Id: I051aaaee84c6e7776b0054171f8d69320d812fcb

[zx] Magenta -> Zircon

The Great Renaming is here!

Change-Id: I3229bdeb2a3d0e40fb4db6fec8ca7d971fbffb94

[kernel][vm] move kernel/kernel/vm to just kernel/vm

Change-Id: I8f724a9f8a61415712661d1fdd3dc4e1c70cf620

[kernel][arch][x86] Use the new MX_ERR_* and MX_OK names

The hypervisor-related files were done in a prior CL.

Change-Id: I6d02e7f8e68fd1775e1d021ad66b9aa8251335e6

[kernel][vm] restructure kernel vm headers and remove more legacy routines

Mostly unpack vm.h into a few separate headers.

No functional change

Change-Id: Ifd85506f49596d82a3a0e970fc911a34f3064d70

[hypervisor] Initial IOAPIC handling.

This setups up the following:
1. EPT fault on IOAPIC address.
2. Guest linear to physical translation, for...
3. Instruction decode of IOAPIC access.

I'll expand on this in further CLs, but I thought I should get the
foundation out first with the first couple of instructions being
decoded.

Change-Id: I62b8c2e0074ac257f4847064a4afa6614235cd3b

[kernel][vm] Remove defunct min_alloc_gap arguments

Change-Id: I931dd3a70fff34ca2acd157f8fcedd71ba9e44a3

[kernel][vm] Convert most calls of vmm_alloc_physical to C++

Need to convert ACPICA's magenta code to C++ to get rid of the last one.

Change-Id: Ica2103302d5923807e03a30b1b284bb39b3e9d24

[kernel][pc] Finish C++ conversion

Change-Id: Iea6ff5e497597c1b0cd3a914e1a3cdd5b641cf58

[kernel][x86] conversion of x86 arch code to cpp

Minimum amount of work to convert the code to
keep the structure similar.

Change-Id: Id7e65014ba30ec32d8249889a22b62fbe959874f

[kernel][x86] brute force rename arch/x86/* files from .c to .cpp

Change-Id: I8ec0a28f71a7d4d3eba4f022873e59dbbbd0bd1e