--- wikisrc/ports/evbarm.mdwn 2020/09/15 07:55:44 1.94 +++ wikisrc/ports/evbarm.mdwn 2020/09/15 08:17:29 1.97 @@ -16,29 +16,33 @@ thumbnail="//wiki.netbsd.org/ports/evbar about=""" NetBSD/evbarm is the port of NetBSD to various systems based on chips implementing the ARM architecture. The "evb" component is a reference -to evaluation boards, the original target of the port, but this -is no longer relevant - NetBSD/evbarm now runs on a range of -hardware based on APCI or devicetrees, including a range of development -boards, powerful servers, virtual machines, and even some laptops. +to evaluation boards, the original target of the port. However, the +single GENERIC/GENERIC64 kernel now supports a range of machines including +development boards, virtual machines, "ServerReady" (SBBR/SBSA) hardware, +and laptops through both device tree and ACPI based booting. """ supported_hardware=""" ### CPU types Various CPU variants are supported, e.g: -- evbarm-earmv6hf - ARMv6 with EABI and hardware floating point, e.g. +- evbarm-earmv6hf - ARMv6-A with EABI and hardware floating point, e.g. the original Raspberry Pi. -- evbarm-earmv7hf - ARMv7 with EABI and hardware floating point, e.g. +- evbarm-earmv7hf - ARMv7-A with EABI and hardware floating point, e.g. most recent and common 32-bit ARM boards. - evbarm-earmv7hfeb - Same as the above, but with the CPU running in big endian mode. -- evbarm-aarch64 - 64-bit ARMv8 +- evbarm-aarch64 - 64-bit ARMv8-A - evbarm-aarch64eb - Same as the above, but with the CPU running in big endian mode. Since NetBSD 9.0, 64-bit ARM processors are supported (referred to here as aarch64). These run with fully 64-bit kernels and userland. Running -32-bit ARM binaries is also supported with `compat32`. +32-bit ARM binaries is also supported with `compat32`. The 64-bit +kernel supports up to 256 CPUs and the 32-bit kernel supports up to 8. + +Since NetBSD 9.0, there is support for symmetric and asymmetrical +multiprocessing (aka big.LITTLE). evbarm variants are little endian unless otherwise stated. NetBSD provides big endian images primarily for testing purposes and to ensure that the code @@ -54,7 +58,10 @@ is endian-clean. - [[RockChip SoCs|RockChip]] - [[Terasic DE0 Nano-SoC|Cyclone5]] -**NOTE**: This list is incomplete. For a full list of supported boards, please see the list of [32-bit](https://github.com/NetBSD/src/blob/netbsd-9/sys/arch/evbarm/conf/GENERIC#L18) and [64-bit](https://github.com/NetBSD/src/blob/netbsd-9/sys/arch/evbarm/conf/GENERIC64#L20) device trees. +**NOTE**: This list is incomplete. For a full list of supported device tree +based boards, please see the list of +[32-bit](https://github.com/NetBSD/src/blob/netbsd-9/sys/arch/evbarm/conf/GENERIC#L18) and +[64-bit](https://github.com/NetBSD/src/blob/netbsd-9/sys/arch/evbarm/conf/GENERIC64#L20) device trees. ### QEMU