Rename VM_KERNEL_IO_ADDRESS to VM_KERNEL_IO_BASE to match RISC-V

It's less letters, matches other similar variables and will help with
sharing code between the two architectures.

NFCI.

Update to support EFI runtime outside the kernel virtual address space
by creating an EFI RT pmap that can be activated / deactivated when
required.

Adds support for EFI RT to ARM_MMU_EXTENDED (ASID) 32-bit Arm machines.

On Arm64 the usage of pmapboot_enter is reduced and the mappings are
created much later in the boot process -- now in cpu_startup_hook.
Backward compatiblity for KVA mapped RT from old bootaa64.efi is
maintained.

Adding support to other platforms should be easier as a result.

Adjust the kernel virtual address space so that KASAN will map the kernel
seperately from managed kernel virtual memory and not map the unused space
between the two.

branches: 1.17.2;
AA64 is not MIPS.

Change all KSEG references to directmap

branches: 1.16.2;
GC unused MAXTSIZ32

Readability of a comment

Define VM_KERNEL_VM_{BASE,SIZE} for aarch64 and remove an #ifdef in
fdt/platform.h

NFCI

G/C AARCH64_KMEMORY_BASE

Fix a comment

change kernel vm base address to use more than 256GB of memory. (up to 64TB)

also enlarge KSEG(direct map) region from 512GB to 64TB.
KASAN works ok.

Note: -fasan-shadow-offset=
KASAN_SHADOW_START - (CANONICAL_BASE >> 3) =
0xFFFF400000000000 - (0xFFFF000000000000 >> 3) =
0xDFFF600000000000

Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.

Switch aarch64 to use a single freelist.

branches: 1.8.6;
Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

Update to support EFI runtime outside the kernel virtual address space
by creating an EFI RT pmap that can be activated / deactivated when
required.

Adds support for EFI RT to ARM_MMU_EXTENDED (ASID) 32-bit Arm machines.

On Arm64 the usage of pmapboot_enter is reduced and the mappings are
created much later in the boot process -- now in cpu_startup_hook.
Backward compatiblity for KVA mapped RT from old bootaa64.efi is
maintained.

Adding support to other platforms should be easier as a result.

Adjust the kernel virtual address space so that KASAN will map the kernel
seperately from managed kernel virtual memory and not map the unused space
between the two.

branches: 1.17.2;
AA64 is not MIPS.

Change all KSEG references to directmap

branches: 1.16.2;
GC unused MAXTSIZ32

Readability of a comment

Define VM_KERNEL_VM_{BASE,SIZE} for aarch64 and remove an #ifdef in
fdt/platform.h

NFCI

G/C AARCH64_KMEMORY_BASE

Fix a comment

change kernel vm base address to use more than 256GB of memory. (up to 64TB)

also enlarge KSEG(direct map) region from 512GB to 64TB.
KASAN works ok.

Note: -fasan-shadow-offset=
KASAN_SHADOW_START - (CANONICAL_BASE >> 3) =
0xFFFF400000000000 - (0xFFFF000000000000 >> 3) =
0xDFFF600000000000

Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.

Switch aarch64 to use a single freelist.

branches: 1.8.6;
Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

Adjust the kernel virtual address space so that KASAN will map the kernel
seperately from managed kernel virtual memory and not map the unused space
between the two.

AA64 is not MIPS.

Change all KSEG references to directmap

branches: 1.16.2;
GC unused MAXTSIZ32

Readability of a comment

Define VM_KERNEL_VM_{BASE,SIZE} for aarch64 and remove an #ifdef in
fdt/platform.h

NFCI

G/C AARCH64_KMEMORY_BASE

Fix a comment

change kernel vm base address to use more than 256GB of memory. (up to 64TB)

also enlarge KSEG(direct map) region from 512GB to 64TB.
KASAN works ok.

Note: -fasan-shadow-offset=
KASAN_SHADOW_START - (CANONICAL_BASE >> 3) =
0xFFFF400000000000 - (0xFFFF000000000000 >> 3) =
0xDFFF600000000000

Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.

Switch aarch64 to use a single freelist.

branches: 1.8.6;
Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

AA64 is not MIPS.

Change all KSEG references to directmap

GC unused MAXTSIZ32

Readability of a comment

Define VM_KERNEL_VM_{BASE,SIZE} for aarch64 and remove an #ifdef in
fdt/platform.h

NFCI

G/C AARCH64_KMEMORY_BASE

Fix a comment

change kernel vm base address to use more than 256GB of memory. (up to 64TB)

also enlarge KSEG(direct map) region from 512GB to 64TB.
KASAN works ok.

Note: -fasan-shadow-offset=
KASAN_SHADOW_START - (CANONICAL_BASE >> 3) =
0xFFFF400000000000 - (0xFFFF000000000000 >> 3) =
0xDFFF600000000000

Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.

Switch aarch64 to use a single freelist.

branches: 1.8.6;
Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

GC unused MAXTSIZ32

Readability of a comment

Define VM_KERNEL_VM_{BASE,SIZE} for aarch64 and remove an #ifdef in
fdt/platform.h

NFCI

G/C AARCH64_KMEMORY_BASE

Fix a comment

change kernel vm base address to use more than 256GB of memory. (up to 64TB)

also enlarge KSEG(direct map) region from 512GB to 64TB.
KASAN works ok.

Note: -fasan-shadow-offset=
KASAN_SHADOW_START - (CANONICAL_BASE >> 3) =
0xFFFF400000000000 - (0xFFFF000000000000 >> 3) =
0xDFFF600000000000

Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.

Switch aarch64 to use a single freelist.

branches: 1.8.6;
Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

Readability of a comment

Define VM_KERNEL_VM_{BASE,SIZE} for aarch64 and remove an #ifdef in
fdt/platform.h

NFCI

G/C AARCH64_KMEMORY_BASE

Fix a comment

change kernel vm base address to use more than 256GB of memory. (up to 64TB)

also enlarge KSEG(direct map) region from 512GB to 64TB.
KASAN works ok.

Note: -fasan-shadow-offset=
KASAN_SHADOW_START - (CANONICAL_BASE >> 3) =
0xFFFF400000000000 - (0xFFFF000000000000 >> 3) =
0xDFFF600000000000

Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.

Switch aarch64 to use a single freelist.

branches: 1.8.6;
Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

Fix a comment

change kernel vm base address to use more than 256GB of memory. (up to 64TB)

also enlarge KSEG(direct map) region from 512GB to 64TB.
KASAN works ok.

Note: -fasan-shadow-offset=
KASAN_SHADOW_START - (CANONICAL_BASE >> 3) =
0xFFFF400000000000 - (0xFFFF000000000000 >> 3) =
0xDFFF600000000000

Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.

Switch aarch64 to use a single freelist.

branches: 1.8.6;
Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

change kernel vm base address to use more than 256GB of memory. (up to 64TB)

also enlarge KSEG(direct map) region from 512GB to 64TB.
KASAN works ok.

Note: -fasan-shadow-offset=
KASAN_SHADOW_START - (CANONICAL_BASE >> 3) =
0xFFFF400000000000 - (0xFFFF000000000000 >> 3) =
0xDFFF600000000000

Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.

Switch aarch64 to use a single freelist.

branches: 1.8.6;
Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.

Switch aarch64 to use a single freelist.

Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

Switch aarch64 to use a single freelist.

Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

branches: 1.4.2;
Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.

Document the VA range reserved for EFI runtime services.

add initial support of COMPAT_NETBSD32 on AArch64.
arm ELF32 EABI binaries could be execute in AArch32 state on AArch64. A32 THUMB mode is not supported yet.

define VM_KERNEL_IO_SIZE for clarity

Increase VM_PHYSSEG_MAX to 64

Increase PAGER_MAP_DEFAULT_SIZE to 512MB (from 16MB)

Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.2.2; 1.2.20;
Add some definitions for building RUMP libraries with MKCOMPAT.

Preliminary files for AARCH64 (64-bit ARM) support.
Enough for a distribution build.