diff options
Diffstat (limited to 'share/man/man9')
-rw-r--r-- | share/man/man9/mmio.9 | 3 | ||||
-rw-r--r-- | share/man/man9/vm.9 | 46 | ||||
-rw-r--r-- | share/man/man9/vm_map.9 | 97 |
3 files changed, 146 insertions, 0 deletions
diff --git a/share/man/man9/mmio.9 b/share/man/man9/mmio.9 index 7833cb0..4ede196 100644 --- a/share/man/man9/mmio.9 +++ b/share/man/man9/mmio.9 @@ -59,5 +59,8 @@ argument can be either a physical address or virtual address; however, it is recommended to use virtual addresses for the sake of consistency. +.Sh SEE ALSO +.Xr vm_map 9, + .Sh AUTHORS .An Ian Moffett Aq Mt ian@osmora.org diff --git a/share/man/man9/vm.9 b/share/man/man9/vm.9 new file mode 100644 index 0000000..7601a45 --- /dev/null +++ b/share/man/man9/vm.9 @@ -0,0 +1,46 @@ +.\" Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions are met: +.\" +.\" 1. Redistributions of source code must retain the above copyright notice, +.\" this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of Hyra nor the names of its +.\" contributors may be used to endorse or promote products derived from +.\" this software without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +.\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +.\" POSSIBILITY OF SUCH DAMAGE. +.Dd Jun 6 2024 +.Dt VM 9 +.Os Hyra +.Sh NAME +.Nm vm - hyra virtual memory subsystem +.Sh SYNOPSIS +.In vm/vm.h + +.Sh DESCRIPTION +The Hyra virtual memory subsystem is a crucial subsystem within the +kernel. This subsystem facilitates machine independent management of +per-process virtual address spaces and has many frameworks within that +allow abstractions over various things such as pages, memory mapping, and +objects. + +.Sh AUTHORS +.An Ian Moffett Aq Mt ian@osmora.org + +.Sh SEE ALSO +.Xr vm_map 9 diff --git a/share/man/man9/vm_map.9 b/share/man/man9/vm_map.9 new file mode 100644 index 0000000..9c5a3f6 --- /dev/null +++ b/share/man/man9/vm_map.9 @@ -0,0 +1,97 @@ +.\" Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions are met: +.\" +.\" 1. Redistributions of source code must retain the above copyright notice, +.\" this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of Hyra nor the names of its +.\" contributors may be used to endorse or promote products derived from +.\" this software without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +.\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +.\" POSSIBILITY OF SUCH DAMAGE. +.Dd Jun 6 2024 +.Dt VM_MAP 9 +.Os Hyra +.Sh NAME +.Nm vm_map - create/destory a virtual memory mapping +.Sh SYNOPSIS +.In vm/map.h + +.Ft int +.Fn vm_map "struct vas vas" "vaddr_t va" "paddr_t pa" "vm_prot_t prot" "size_t count" + +.Ft int +.Fn vm_unmap "struct vas vas" "vaddr_t va" "size_t count" + +.Sh DESCRIPTION + +The Hyra virtual memory mapping framework provides a machine independent +interface for mapping and unmapping pages to respective page frames. + +The +.Fn vm_map +function creates a virtual to physical memory mapping. + +The +.Fa vas +argument specifies the virtual address space for the mapping +to be created within. + +The +.Fa va +argument specifies the virtual address to be mapped. + +The +.Fa pa +argument specifies the physical address that +.Fa va +is to be mapped to. + +The +.Fa prot +argument specifies the virtual memory protection flags. + +The +.Fa count +argument specifies the number of bytes to be mapped which +is to be aligned to the machine's page size. + +The +.Fn vm_unmap +function destroys a virtual to physical memory mapping. + +The +.Fa vas +argument specifies the virtual address space for the mapping +to be destroyed within. + + +The +.Fa va +argument specifies the virtual address to be unmapped. + +The +.Fa count +argument specifies the number of bytes to be unmapped which +is to be aligned to the machine's page size. + +.Sh AUTHORS +.An Ian Moffett Aq Mt ian@osmora.org + +.Sh SEE ALSO +.Xr vm_map 9 |